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class-upload.php
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<?php // +------------------------------------------------------------------------+ // | class.upload.php | // +------------------------------------------------------------------------+ // | Copyright (c) Colin Verot 2003-2019. All rights reserved. | // | Email colin@verot.net | // | Web http://www.verot.net | // +------------------------------------------------------------------------+ // | This program is free software; you can redistribute it and/or modify | // | it under the terms of the GNU General Public License version 2 as | // | published by the Free Software Foundation. | // | | // | This program is distributed in the hope that it will be useful, | // | but WITHOUT ANY WARRANTY; without even the implied warranty of | // | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | // | GNU General Public License for more details. | // | | // | You should have received a copy of the GNU General Public License | // | along with this program; if not, write to the | // | Free Software Foundation, Inc., 59 Temple Place, Suite 330, | // | Boston, MA 02111-1307 USA | // | | // | Please give credit on sites that use class.upload and submit changes | // | of the script so other people can use them as well. | // | This script is free to use, don't abuse. | // +------------------------------------------------------------------------+ /** * Class upload * * @author Colin Verot <colin@verot.net> * @license http://opensource.org/licenses/gpl-license.php GNU Public License * @copyright Colin Verot */ class upload { /** * Class version * * @access public * @var string */ var $version; /** * Uploaded file name * * @access public * @var string */ var $file_src_name; /** * Uploaded file name body (i.e. without extension) * * @access public * @var string */ var $file_src_name_body; /** * Uploaded file name extension * * @access public * @var string */ var $file_src_name_ext; /** * Uploaded file MIME type * * @access public * @var string */ var $file_src_mime; /** * Uploaded file size, in bytes * * @access public * @var double */ var $file_src_size; /** * Holds eventual PHP error code from $_FILES * * @access public * @var string */ var $file_src_error; /** * Uloaded file name, including server path * * @access public * @var string */ var $file_src_pathname; /** * Uloaded file name temporary copy * * @access private * @var string */ var $file_src_temp; /** * Destination file name * * @access public * @var string */ var $file_dst_path; /** * Destination file name * * @access public * @var string */ var $file_dst_name; /** * Destination file name body (i.e. without extension) * * @access public * @var string */ var $file_dst_name_body; /** * Destination file extension * * @access public * @var string */ var $file_dst_name_ext; /** * Destination file name, including path * * @access public * @var string */ var $file_dst_pathname; /** * Source image width * * @access public * @var integer */ var $image_src_x; /** * Source image height * * @access public * @var integer */ var $image_src_y; /** * Source image color depth * * @access public * @var integer */ var $image_src_bits; /** * Number of pixels * * @access public * @var long */ var $image_src_pixels; /** * Type of image (png, gif, jpg, webp or bmp) * * @access public * @var string */ var $image_src_type; /** * Destination image width * * @access public * @var integer */ var $image_dst_x; /** * Destination image height * * @access public * @var integer */ var $image_dst_y; /** * Destination image type (png, gif, jpg, webp or bmp) * * @access public * @var integer */ var $image_dst_type; /** * Supported image formats * * @access private * @var array */ var $image_supported; /** * Flag to determine if the source file is an image * * @access public * @var boolean */ var $file_is_image; /** * Flag set after instanciating the class * * Indicates if the file has been uploaded properly * * @access public * @var bool */ var $uploaded; /** * Flag stopping PHP upload checks * * Indicates whether we instanciated the class with a filename, in which case * we will not check on the validity of the PHP *upload* * * This flag is automatically set to true when working on a local file * * Warning: for uploads, this flag MUST be set to false for security reason * * @access public * @var bool */ var $no_upload_check; /** * Flag set after calling a process * * Indicates if the processing, and copy of the resulting file went OK * * @access public * @var bool */ var $processed; /** * Holds eventual error message in plain english * * @access public * @var string */ var $error; /** * Holds an HTML formatted log * * @access public * @var string */ var $log; // overiddable processing variables /** * Set this variable to replace the name body (i.e. without extension) * * @access public * @var string */ var $file_new_name_body; /** * Set this variable to append a string to the file name body * * @access public * @var string */ var $file_name_body_add; /** * Set this variable to prepend a string to the file name body * * @access public * @var string */ var $file_name_body_pre; /** * Set this variable to change the file extension * * @access public * @var string */ var $file_new_name_ext; /** * Set this variable to format the filename (spaces changed to _) * * @access public * @var boolean */ var $file_safe_name; /** * Forces an extension if the source file doesn't have one * * If the file is an image, then the correct extension will be added * Otherwise, a .txt extension will be chosen * * @access public * @var boolean */ var $file_force_extension; /** * Set this variable to false if you don't want to check the MIME against the allowed list * * This variable is set to true by default for security reason * * @access public * @var boolean */ var $mime_check; /** * Set this variable to false in the init() function if you don't want to check the MIME * with Fileinfo PECL extension. On some systems, Fileinfo is known to be buggy, and you * may want to deactivate it in the class code directly. * * You can also set it with the path of the magic database file. * If set to true, the class will try to read the MAGIC environment variable * and if it is empty, will default to the system's default * If set to an empty string, it will call finfo_open without the path argument * * This variable is set to true by default for security reason * * @access public * @var boolean */ var $mime_fileinfo; /** * Set this variable to false in the init() function if you don't want to check the MIME * with UNIX file() command * * This variable is set to true by default for security reason * * @access public * @var boolean */ var $mime_file; /** * Set this variable to false in the init() function if you don't want to check the MIME * with the magic.mime file * * The function mime_content_type() will be deprecated, * and this variable will be set to false in a future release * * This variable is set to true by default for security reason * * @access public * @var boolean */ var $mime_magic; /** * Set this variable to false in the init() function if you don't want to check the MIME * with getimagesize() * * The class tries to get a MIME type from getimagesize() * If no MIME is returned, it tries to guess the MIME type from the file type * * This variable is set to true by default for security reason * * @access public * @var boolean */ var $mime_getimagesize; /** * Set this variable to false if you don't want to turn dangerous scripts into simple text files * * @access public * @var boolean */ var $no_script; /** * Set this variable to true to allow automatic renaming of the file * if the file already exists * * Default value is true * * For instance, on uploading foo.ext,<br> * if foo.ext already exists, upload will be renamed foo_1.ext<br> * and if foo_1.ext already exists, upload will be renamed foo_2.ext<br> * * Note that this option doesn't have any effect if {@link file_overwrite} is true * * @access public * @var bool */ var $file_auto_rename; /** * Set this variable to true to allow automatic creation of the destination * directory if it is missing (works recursively) * * Default value is true * * @access public * @var bool */ var $dir_auto_create; /** * Set this variable to true to allow automatic chmod of the destination * directory if it is not writeable * * Default value is true * * @access public * @var bool */ var $dir_auto_chmod; /** * Set this variable to the default chmod you want the class to use * when creating directories, or attempting to write in a directory * * Default value is 0755 (without quotes) * * @access public * @var bool */ var $dir_chmod; /** * Set this variable tu true to allow overwriting of an existing file * * Default value is false, so no files will be overwritten * * @access public * @var bool */ var $file_overwrite; /** * Set this variable to change the maximum size in bytes for an uploaded file * * Default value is the value <i>upload_max_filesize</i> from php.ini * * Value in bytes (integer) or shorthand byte values (string) is allowed. * The available options are K (for Kilobytes), M (for Megabytes) and G (for Gigabytes) * * @access public * @var double */ var $file_max_size; /** * Set this variable to true to resize the file if it is an image * * You will probably want to set {@link image_x} and {@link image_y}, and maybe one of the ratio variables * * Default value is false (no resizing) * * @access public * @var bool */ var $image_resize; /** * Set this variable to convert the file if it is an image * * Possibles values are : ''; 'png'; 'jpeg'; 'gif'; 'webp'; 'bmp' * * Default value is '' (no conversion)<br> * If {@link resize} is true, {@link convert} will be set to the source file extension * * @access public * @var string */ var $image_convert; /** * Set this variable to the wanted (or maximum/minimum) width for the processed image, in pixels * * Default value is 150 * * @access public * @var integer */ var $image_x; /** * Set this variable to the wanted (or maximum/minimum) height for the processed image, in pixels * * Default value is 150 * * @access public * @var integer */ var $image_y; /** * Set this variable to keep the original size ratio to fit within {@link image_x} x {@link image_y} * * Default value is false * * @access public * @var bool */ var $image_ratio; /** * Set this variable to keep the original size ratio to fit within {@link image_x} x {@link image_y} * * The image will be resized as to fill the whole space, and excedent will be cropped * * Value can also be a string, one or more character from 'TBLR' (top, bottom, left and right) * If set as a string, it determines which side of the image is kept while cropping. * By default, the part of the image kept is in the center, i.e. it crops equally on both sides * * Default value is false * * @access public * @var mixed */ var $image_ratio_crop; /** * Set this variable to keep the original size ratio to fit within {@link image_x} x {@link image_y} * * The image will be resized to fit entirely in the space, and the rest will be colored. * The default color is white, but can be set with {@link image_default_color} * * Value can also be a string, one or more character from 'TBLR' (top, bottom, left and right) * If set as a string, it determines in which side of the space the image is displayed. * By default, the image is displayed in the center, i.e. it fills the remaining space equally on both sides * * Default value is false * * @access public * @var mixed */ var $image_ratio_fill; /** * Set this variable to a number of pixels so that {@link image_x} and {@link image_y} are the best match possible * * The image will be resized to have approximatively the number of pixels * The aspect ratio wil be conserved * * Default value is false * * @access public * @var mixed */ var $image_ratio_pixels; /** * Set this variable to calculate {@link image_x} automatically , using {@link image_y} and conserving ratio * * Default value is false * * @access public * @var bool */ var $image_ratio_x; /** * Set this variable to calculate {@link image_y} automatically , using {@link image_x} and conserving ratio * * Default value is false * * @access public * @var bool */ var $image_ratio_y; /** * (deprecated) Set this variable to keep the original size ratio to fit within {@link image_x} x {@link image_y}, * but only if original image is bigger * * This setting is soon to be deprecated. Instead, use {@link image_ratio} and {@link image_no_enlarging} * * Default value is false * * @access public * @var bool */ var $image_ratio_no_zoom_in; /** * (deprecated) Set this variable to keep the original size ratio to fit within {@link image_x} x {@link image_y}, * but only if original image is smaller * * Default value is false * * This setting is soon to be deprecated. Instead, use {@link image_ratio} and {@link image_no_shrinking} * * @access public * @var bool */ var $image_ratio_no_zoom_out; /** * Cancel resizing if the resized image is bigger than the original image, to prevent enlarging * * Default value is false * * @access public * @var bool */ var $image_no_enlarging; /** * Cancel resizing if the resized image is smaller than the original image, to prevent shrinking * * Default value is false * * @access public * @var bool */ var $image_no_shrinking; /** * Set this variable to set a maximum image width, above which the upload will be invalid * * Default value is null * * @access public * @var integer */ var $image_max_width; /** * Set this variable to set a maximum image height, above which the upload will be invalid * * Default value is null * * @access public * @var integer */ var $image_max_height; /** * Set this variable to set a maximum number of pixels for an image, above which the upload will be invalid * * Default value is null * * @access public * @var long */ var $image_max_pixels; /** * Set this variable to set a maximum image aspect ratio, above which the upload will be invalid * * Note that ratio = width / height * * Default value is null * * @access public * @var float */ var $image_max_ratio; /** * Set this variable to set a minimum image width, below which the upload will be invalid * * Default value is null * * @access public * @var integer */ var $image_min_width; /** * Set this variable to set a minimum image height, below which the upload will be invalid * * Default value is null * * @access public * @var integer */ var $image_min_height; /** * Set this variable to set a minimum number of pixels for an image, below which the upload will be invalid * * Default value is null * * @access public * @var long */ var $image_min_pixels; /** * Set this variable to set a minimum image aspect ratio, below which the upload will be invalid * * Note that ratio = width / height * * Default value is null * * @access public * @var float */ var $image_min_ratio; /** * Compression level for PNG images * * Between 1 (fast but large files) and 9 (slow but smaller files) * * Default value is null (Zlib default) * * @access public * @var integer */ var $png_compression; /** * Quality of JPEG created/converted destination image * * Default value is 85 * * @access public * @var integer */ var $jpeg_quality; /** * Quality of WebP created/converted destination image * * Default value is 85 * * @access public * @var integer */ var $webp_quality; /** * Determines the quality of the JPG image to fit a desired file size * * The JPG quality will be set between 1 and 100% * The calculations are approximations. * * Value in bytes (integer) or shorthand byte values (string) is allowed. * The available options are K (for Kilobytes), M (for Megabytes) and G (for Gigabytes) * * Default value is null (no calculations) * * @access public * @var integer */ var $jpeg_size; /** * Turns the interlace bit on * * This is actually used only for JPEG images, and defaults to false * * @access public * @var boolean */ var $image_interlace; /** * Flag set to true when the image is transparent * * This is actually used only for transparent GIFs * * @access public * @var boolean */ var $image_is_transparent; /** * Transparent color in a palette * * This is actually used only for transparent GIFs * * @access public * @var boolean */ var $image_transparent_color; /** * Background color, used to paint transparent areas with * * If set, it will forcibly remove transparency by painting transparent areas with the color * This setting will fill in all transparent areas in PNG, WEPB and GIF, as opposed to {@link image_default_color} * which will do so only in BMP, JPEG, and alpha transparent areas in transparent GIFs * This setting overrides {@link image_default_color} * * Default value is null * * @access public * @var string */ var $image_background_color; /** * Default color for non alpha-transparent images * * This setting is to be used to define a background color for semi transparent areas * of an alpha transparent when the output format doesn't support alpha transparency * This is useful when, from an alpha transparent PNG or WEBP image, or an image with alpha transparent features * if you want to output it as a transparent GIFs for instance, you can set a blending color for transparent areas * If you output in JPEG or BMP, this color will be used to fill in the previously transparent areas * * The default color white * * @access public * @var boolean */ var $image_default_color; /** * Flag set to true when the image is not true color * * @access public * @var boolean */ var $image_is_palette; /** * Corrects the image brightness * * Value can range between -127 and 127 * * Default value is null * * @access public * @var integer */ var $image_brightness; /** * Corrects the image contrast * * Value can range between -127 and 127 * * Default value is null * * @access public * @var integer */ var $image_contrast; /** * Changes the image opacity * * Value can range between 0 and 100 * * Default value is null * * @access public * @var integer */ var $image_opacity; /** * Applies threshold filter * * Value can range between -127 and 127 * * Default value is null * * @access public * @var integer */ var $image_threshold; /** * Applies a tint on the image * * Value is an hexadecimal color, such as #FFFFFF * * Default value is null * * @access public * @var string; */ var $image_tint_color; /** * Applies a colored overlay on the image * * Value is an hexadecimal color, such as #FFFFFF * * To use with {@link image_overlay_opacity} * * Default value is null * * @access public * @var string; */ var $image_overlay_color; /** * Sets the opacity for the colored overlay * * Value is a percentage, as an integer between 0 (transparent) and 100 (opaque) * * Unless used with {@link image_overlay_color}, this setting has no effect * * Default value is 50 * * @access public * @var integer */ var $image_overlay_opacity; /** * Inverts the color of an image * * Default value is FALSE * * @access public * @var boolean; */ var $image_negative; /** * Turns the image into greyscale * * Default value is FALSE * * @access public * @var boolean; */ var $image_greyscale; /** * Pixelate an image * * Value is integer, represents the block size * * Default value is null * * @access public * @var integer; */ var $image_pixelate; /** * Applies an unsharp mask, with alpha transparency support * * Beware that this unsharp mask is quite resource-intensive * * Default value is FALSE * * @access public * @var boolean; */ var $image_unsharp; /** * Sets the unsharp mask amount * * Value is an integer between 0 and 500, typically between 50 and 200 * * Unless used with {@link image_unsharp}, this setting has no effect * * Default value is 80 * * @access public * @var integer */ var $image_unsharp_amount; /** * Sets the unsharp mask radius * * Value is an integer between 0 and 50, typically between 0.5 and 1 * It is not recommended to change it, the default works best * * Unless used with {@link image_unsharp}, this setting has no effect * * From PHP 5.1, imageconvolution is used, and this setting has no effect * * Default value is 0.5 * * @access public * @var integer */ var $image_unsharp_radius; /** * Sets the unsharp mask threshold * * Value is an integer between 0 and 255, typically between 0 and 5 * * Unless used with {@link image_unsharp}, this setting has no effect * * Default value is 1 * * @access public * @var integer */ var $image_unsharp_threshold; /** * Adds a text label on the image * * Value is a string, any text. Text will not word-wrap, although you can use breaklines in your text "\n" * * If set, this setting allow the use of all other settings starting with image_text_ * * Replacement tokens can be used in the string: * <pre> * gd_version src_name src_name_body src_name_ext * src_pathname src_mime src_x src_y * src_type src_bits src_pixels * src_size src_size_kb src_size_mb src_size_human * dst_path dst_name_body dst_pathname * dst_name dst_name_ext dst_x dst_y * date time host server ip * </pre> * The tokens must be enclosed in square brackets: [dst_x] will be replaced by the width of the picture * * Default value is null * * @access public * @var string; */ var $image_text; /** * Sets the text direction for the text label * * Value is either 'h' or 'v', as in horizontal and vertical * * Note that if you use a TrueType font, you can use {@link image_text_angle} instead * * Default value is h (horizontal) * * @access public * @var string; */ var $image_text_direction; /** * Sets the text color for the text label * * Value is an hexadecimal color, such as #FFFFFF * * Default value is #FFFFFF (white) * * @access public * @var string; */ var $image_text_color; /** * Sets the text opacity in the text label * * Value is a percentage, as an integer between 0 (transparent) and 100 (opaque) * * Default value is 100 * * @access public * @var integer */ var $image_text_opacity; /** * Sets the text background color for the text label * * Value is an hexadecimal color, such as #FFFFFF * * Default value is null (no background) * * @access public * @var string; */ var $image_text_background; /** * Sets the text background opacity in the text label * * Value is a percentage, as an integer between 0 (transparent) and 100 (opaque) * * Default value is 100 * * @access public * @var integer */ var $image_text_background_opacity; /** * Sets the text font in the text label * * Value is a an integer between 1 and 5 for GD built-in fonts. 1 is the smallest font, 5 the biggest * Value can also be a string, which represents the path to a GDF or TTF font (TrueType). * * Default value is 5 * * @access public * @var mixed; */ var $image_text_font; /** * Sets the text font size for TrueType fonts * * Value is a an integer, and represents the font size in pixels (GD1) or points (GD1) * * Note that this setting is only applicable to TrueType fonts, and has no effects with GD fonts * * Default value is 16 * * @access public * @var integer; */ var $image_text_size; /** * Sets the text angle for TrueType fonts * * Value is a an integer between 0 and 360, in degrees, with 0 degrees being left-to-right reading text. * * Note that this setting is only applicable to TrueType fonts, and has no effects with GD fonts * For GD fonts, you can use {@link image_text_direction} instead * * Default value is null (so it is determined by the value of {@link image_text_direction}) * * @access public * @var integer; */ var $image_text_angle; /** * Sets the text label position within the image * * Value is one or two out of 'TBLR' (top, bottom, left, right) * * The positions are as following: * <pre> * TL T TR * L R * BL B BR * </pre> * * Default value is null (centered, horizontal and vertical) * * Note that is {@link image_text_x} and {@link image_text_y} are used, this setting has no effect * * @access public * @var string; */ var $image_text_position; /** * Sets the text label absolute X position within the image * * Value is in pixels, representing the distance between the left of the image and the label * If a negative value is used, it will represent the distance between the right of the image and the label * * Default value is null (so {@link image_text_position} is used) * * @access public * @var integer */ var $image_text_x; /** * Sets the text label absolute Y position within the image * * Value is in pixels, representing the distance between the top of the image and the label * If a negative value is used, it will represent the distance between the bottom of the image and the label * * Default value is null (so {@link image_text_position} is used) * * @access public * @var integer */ var $image_text_y; /** * Sets the text label padding * * Value is in pixels, representing the distance between the text and the label background border * * Default value is 0 * * This setting can be overriden by {@link image_text_padding_x} and {@link image_text_padding_y} * * @access public * @var integer */ var $image_text_padding; /** * Sets the text label horizontal padding * * Value is in pixels, representing the distance between the text and the left and right label background borders * * Default value is null * * If set, this setting overrides the horizontal part of {@link image_text_padding} * * @access public * @var integer */ var $image_text_padding_x; /** * Sets the text label vertical padding * * Value is in pixels, representing the distance between the text and the top and bottom label background borders * * Default value is null * * If set, his setting overrides the vertical part of {@link image_text_padding} * * @access public * @var integer */ var $image_text_padding_y; /** * Sets the text alignment * * Value is a string, which can be either 'L', 'C' or 'R' * * Default value is 'C' * * This setting is relevant only if the text has several lines. * * Note that this setting is only applicable to GD fonts, and has no effects with TrueType fonts * * @access public * @var string; */ var $image_text_alignment; /** * Sets the text line spacing * * Value is an integer, in pixels * * Default value is 0 * * This setting is relevant only if the text has several lines. * * Note that this setting is only applicable to GD fonts, and has no effects with TrueType fonts * * @access public * @var integer */ var $image_text_line_spacing; /** * Sets the height of the reflection * * Value is an integer in pixels, or a string which format can be in pixels or percentage. * For instance, values can be : 40, '40', '40px' or '40%' * * Default value is null, no reflection * * @access public * @var mixed; */ var $image_reflection_height; /** * Sets the space between the source image and its relection * * Value is an integer in pixels, which can be negative * * Default value is 2 * * This setting is relevant only if {@link image_reflection_height} is set * * @access public * @var integer */ var $image_reflection_space; /** * Sets the initial opacity of the reflection * * Value is an integer between 0 (no opacity) and 100 (full opacity). * The reflection will start from {@link image_reflection_opacity} and end up at 0 * * Default value is 60 * * This setting is relevant only if {@link image_reflection_height} is set * * @access public * @var integer */ var $image_reflection_opacity; /** * Automatically rotates the image according to EXIF data (JPEG only) * * Default value is true * * @access public * @var boolean; */ var $image_auto_rotate; /** * Flips the image vertically or horizontally * * Value is either 'h' or 'v', as in horizontal and vertical * * Default value is null (no flip) * * @access public * @var string; */ var $image_flip; /** * Rotates the image by increments of 45 degrees * * Value is either 90, 180 or 270 * * Default value is null (no rotation) * * @access public * @var string; */ var $image_rotate; /** * Crops an image * * Values are four dimensions, or two, or one (CSS style) * They represent the amount cropped top, right, bottom and left. * These values can either be in an array, or a space separated string. * Each value can be in pixels (with or without 'px'), or percentage (of the source image) * * For instance, are valid: * <pre> * $foo->image_crop = 20 OR array(20); * $foo->image_crop = '20px' OR array('20px'); * $foo->image_crop = '20 40' OR array('20', 40); * $foo->image_crop = '-20 25%' OR array(-20, '25%'); * $foo->image_crop = '20px 25%' OR array('20px', '25%'); * $foo->image_crop = '20% 25%' OR array('20%', '25%'); * $foo->image_crop = '20% 25% 10% 30%' OR array('20%', '25%', '10%', '30%'); * $foo->image_crop = '20px 25px 2px 2px' OR array('20px', '25%px', '2px', '2px'); * $foo->image_crop = '20 25% 40px 10%' OR array(20, '25%', '40px', '10%'); * </pre> * * If a value is negative, the image will be expanded, and the extra parts will be filled with black * * Default value is null (no cropping) * * @access public * @var string OR array; */ var $image_crop; /** * Crops an image, before an eventual resizing * * See {@link image_crop} for valid formats * * Default value is null (no cropping) * * @access public * @var string OR array; */ var $image_precrop; /** * Adds a bevel border on the image * * Value is a positive integer, representing the thickness of the bevel * * If the bevel colors are the same as the background, it makes a fade out effect * * Default value is null (no bevel) * * @access public * @var integer */ var $image_bevel; /** * Top and left bevel color * * Value is a color, in hexadecimal format * This setting is used only if {@link image_bevel} is set * * Default value is #FFFFFF * * @access public * @var string; */ var $image_bevel_color1; /** * Right and bottom bevel color * * Value is a color, in hexadecimal format * This setting is used only if {@link image_bevel} is set * * Default value is #000000 * * @access public * @var string; */ var $image_bevel_color2; /** * Adds a single-color border on the outer of the image * * Values are four dimensions, or two, or one (CSS style) * They represent the border thickness top, right, bottom and left. * These values can either be in an array, or a space separated string. * Each value can be in pixels (with or without 'px'), or percentage (of the source image) * * See {@link image_crop} for valid formats * * If a value is negative, the image will be cropped. * Note that the dimensions of the picture will be increased by the borders' thickness * * Default value is null (no border) * * @access public * @var integer */ var $image_border; /** * Border color * * Value is a color, in hexadecimal format. * This setting is used only if {@link image_border} is set * * Default value is #FFFFFF * * @access public * @var string; */ var $image_border_color; /** * Sets the opacity for the borders * * Value is a percentage, as an integer between 0 (transparent) and 100 (opaque) * * Unless used with {@link image_border}, this setting has no effect * * Default value is 100 * * @access public * @var integer */ var $image_border_opacity; /** * Adds a fading-to-transparent border on the image * * Values are four dimensions, or two, or one (CSS style) * They represent the border thickness top, right, bottom and left. * These values can either be in an array, or a space separated string. * Each value can be in pixels (with or without 'px'), or percentage (of the source image) * * See {@link image_crop} for valid formats * * Note that the dimensions of the picture will not be increased by the borders' thickness * * Default value is null (no border) * * @access public * @var integer */ var $image_border_transparent; /** * Adds a multi-color frame on the outer of the image * * Value is an integer. Two values are possible for now: * 1 for flat border, meaning that the frame is mirrored horizontally and vertically * 2 for crossed border, meaning that the frame will be inversed, as in a bevel effect * * The frame will be composed of colored lines set in {@link image_frame_colors} * * Note that the dimensions of the picture will be increased by the borders' thickness * * Default value is null (no frame) * * @access public * @var integer */ var $image_frame; /** * Sets the colors used to draw a frame * * Values is a list of n colors in hexadecimal format. * These values can either be in an array, or a space separated string. * * The colors are listed in the following order: from the outset of the image to its center * * For instance, are valid: * <pre> * $foo->image_frame_colors = '#FFFFFF #999999 #666666 #000000'; * $foo->image_frame_colors = array('#FFFFFF', '#999999', '#666666', '#000000'); * </pre> * * This setting is used only if {@link image_frame} is set * * Default value is '#FFFFFF #999999 #666666 #000000' * * @access public * @var string OR array; */ var $image_frame_colors; /** * Sets the opacity for the frame * * Value is a percentage, as an integer between 0 (transparent) and 100 (opaque) * * Unless used with {@link image_frame}, this setting has no effect * * Default value is 100 * * @access public * @var integer */ var $image_frame_opacity; /** * Adds a watermark on the image * * Value is a local image filename, relative or absolute. GIF, JPG, BMP, WEBP and PNG are supported, as well as PNG and WEBP alpha. * * If set, this setting allow the use of all other settings starting with image_watermark_ * * Default value is null * * @access public * @var string; */ var $image_watermark; /** * Sets the watermarkposition within the image * * Value is one or two out of 'TBLR' (top, bottom, left, right) * * The positions are as following: TL T TR * L R * BL B BR * * Default value is null (centered, horizontal and vertical) * * Note that is {@link image_watermark_x} and {@link image_watermark_y} are used, this setting has no effect * * @access public * @var string; */ var $image_watermark_position; /** * Sets the watermark absolute X position within the image * * Value is in pixels, representing the distance between the top of the image and the watermark * If a negative value is used, it will represent the distance between the bottom of the image and the watermark * * Default value is null (so {@link image_watermark_position} is used) * * @access public * @var integer */ var $image_watermark_x; /** * Sets the twatermark absolute Y position within the image * * Value is in pixels, representing the distance between the left of the image and the watermark * If a negative value is used, it will represent the distance between the right of the image and the watermark * * Default value is null (so {@link image_watermark_position} is used) * * @access public * @var integer */ var $image_watermark_y; /** * Prevents the watermark to be resized up if it is smaller than the image * * If the watermark if smaller than the destination image, taking in account the desired watermark position * then it will be resized up to fill in the image (minus the {@link image_watermark_x} or {@link image_watermark_y} values) * * If you don't want your watermark to be resized in any way, then * set {@link image_watermark_no_zoom_in} and {@link image_watermark_no_zoom_out} to true * If you want your watermark to be resized up or doan to fill in the image better, then * set {@link image_watermark_no_zoom_in} and {@link image_watermark_no_zoom_out} to false * * Default value is true (so the watermark will not be resized up, which is the behaviour most people expect) * * @access public * @var integer */ var $image_watermark_no_zoom_in; /** * Prevents the watermark to be resized down if it is bigger than the image * * If the watermark if bigger than the destination image, taking in account the desired watermark position * then it will be resized down to fit in the image (minus the {@link image_watermark_x} or {@link image_watermark_y} values) * * If you don't want your watermark to be resized in any way, then * set {@link image_watermark_no_zoom_in} and {@link image_watermark_no_zoom_out} to true * If you want your watermark to be resized up or doan to fill in the image better, then * set {@link image_watermark_no_zoom_in} and {@link image_watermark_no_zoom_out} to false * * Default value is false (so the watermark may be shrinked to fit in the image) * * @access public * @var integer */ var $image_watermark_no_zoom_out; /** * List of MIME types per extension * * @access private * @var array */ var $mime_types; /** * Allowed MIME types * * Default is a selection of safe mime-types, but you might want to change it * * Simple wildcards are allowed, such as image/* or application/* * If there is only one MIME type allowed, then it can be a string instead of an array * * @access public * @var array OR string */ var $allowed; /** * Forbidden MIME types * * Default is a selection of safe mime-types, but you might want to change it * To only check for forbidden MIME types, and allow everything else, set {@link allowed} to array('* / *') without the spaces * * Simple wildcards are allowed, such as image/* or application/* * If there is only one MIME type forbidden, then it can be a string instead of an array * * @access public * @var array OR string */ var $forbidden; /** * Array of translated error messages * * By default, the language is english (en_GB) * Translations can be in separate files, in a lang/ subdirectory * * @access public * @var array */ var $translation; /** * Language selected for the translations * * By default, the language is english ("en_GB") * * @access public * @var array */ var $lang; /** * Init or re-init all the processing variables to their default values * * This function is called in the constructor, and after each call of {@link process} * * @access private */ function init() { // overiddable variables $this->file_new_name_body = null; // replace the name body $this->file_name_body_add = null; // append to the name body $this->file_name_body_pre = null; // prepend to the name body $this->file_new_name_ext = null; // replace the file extension $this->file_safe_name = true; // format safely the filename $this->file_force_extension = true; // forces extension if there isn't one $this->file_overwrite = false; // allows overwritting if the file already exists $this->file_auto_rename = true; // auto-rename if the file already exists $this->dir_auto_create = true; // auto-creates directory if missing $this->dir_auto_chmod = true; // auto-chmod directory if not writeable $this->dir_chmod = 0755; // default chmod to use $this->no_script = true; // turns scripts into test files $this->mime_check = true; // checks the mime type against the allowed list // these are the different MIME detection methods. if one of these method doesn't work on your // system, you can deactivate it here; just set it to false $this->mime_fileinfo = true; // MIME detection with Fileinfo PECL extension $this->mime_file = true; // MIME detection with UNIX file() command $this->mime_magic = true; // MIME detection with mime_magic (mime_content_type()) $this->mime_getimagesize = true; // MIME detection with getimagesize() // get the default max size from php.ini $this->file_max_size_raw = trim(ini_get('upload_max_filesize')); $this->file_max_size = $this->getsize($this->file_max_size_raw); $this->image_resize = false; // resize the image $this->image_convert = ''; // convert. values :''; 'png'; 'jpeg'; 'gif'; 'bmp' $this->image_x = 150; $this->image_y = 150; $this->image_ratio = false; // keeps aspect ratio within x and y dimensions $this->image_ratio_crop = false; // keeps aspect ratio within x and y dimensions, filling the space $this->image_ratio_fill = false; // keeps aspect ratio within x and y dimensions, fitting the image in the space $this->image_ratio_pixels = false; // keeps aspect ratio, calculating x and y to reach the number of pixels $this->image_ratio_x = false; // calculate the $image_x if true $this->image_ratio_y = false; // calculate the $image_y if true $this->image_ratio_no_zoom_in = false; $this->image_ratio_no_zoom_out = false; $this->image_no_enlarging = false; $this->image_no_shrinking = false; $this->png_compression = null; $this->webp_quality = 85; $this->jpeg_quality = 85; $this->jpeg_size = null; $this->image_interlace = false; $this->image_is_transparent = false; $this->image_transparent_color = null; $this->image_background_color = null; $this->image_default_color = '#ffffff'; $this->image_is_palette = false; $this->image_max_width = null; $this->image_max_height = null; $this->image_max_pixels = null; $this->image_max_ratio = null; $this->image_min_width = null; $this->image_min_height = null; $this->image_min_pixels = null; $this->image_min_ratio = null; $this->image_brightness = null; $this->image_contrast = null; $this->image_opacity = null; $this->image_threshold = null; $this->image_tint_color = null; $this->image_overlay_color = null; $this->image_overlay_opacity = null; $this->image_negative = false; $this->image_greyscale = false; $this->image_pixelate = null; $this->image_unsharp = false; $this->image_unsharp_amount = 80; $this->image_unsharp_radius = 0.5; $this->image_unsharp_threshold = 1; $this->image_text = null; $this->image_text_direction = null; $this->image_text_color = '#FFFFFF'; $this->image_text_opacity = 100; $this->image_text_background = null; $this->image_text_background_opacity = 100; $this->image_text_font = 5; $this->image_text_size = 16; $this->image_text_angle = null; $this->image_text_x = null; $this->image_text_y = null; $this->image_text_position = null; $this->image_text_padding = 0; $this->image_text_padding_x = null; $this->image_text_padding_y = null; $this->image_text_alignment = 'C'; $this->image_text_line_spacing = 0; $this->image_reflection_height = null; $this->image_reflection_space = 2; $this->image_reflection_opacity = 60; $this->image_watermark = null; $this->image_watermark_x = null; $this->image_watermark_y = null; $this->image_watermark_position = null; $this->image_watermark_no_zoom_in = true; $this->image_watermark_no_zoom_out = false; $this->image_flip = null; $this->image_auto_rotate = true; $this->image_rotate = null; $this->image_crop = null; $this->image_precrop = null; $this->image_bevel = null; $this->image_bevel_color1 = '#FFFFFF'; $this->image_bevel_color2 = '#000000'; $this->image_border = null; $this->image_border_color = '#FFFFFF'; $this->image_border_opacity = 100; $this->image_border_transparent = null; $this->image_frame = null; $this->image_frame_colors = '#FFFFFF #999999 #666666 #000000'; $this->image_frame_opacity = 100; $this->forbidden = array(); $this->allowed = array( 'application/arj', 'application/excel', 'application/gnutar', 'application/mspowerpoint', 'application/msword', 'application/octet-stream', 'application/onenote', 'application/pdf', 'application/plain', 'application/postscript', 'application/powerpoint', 'application/rar', 'application/rtf', 'application/vnd.ms-excel', 'application/vnd.ms-excel.addin.macroEnabled.12', 'application/vnd.ms-excel.sheet.binary.macroEnabled.12', 'application/vnd.ms-excel.sheet.macroEnabled.12', 'application/vnd.ms-excel.template.macroEnabled.12', 'application/vnd.ms-office', 'application/vnd.ms-officetheme', 'application/vnd.ms-powerpoint', 'application/vnd.ms-powerpoint.addin.macroEnabled.12', 'application/vnd.ms-powerpoint.presentation.macroEnabled.12', 'application/vnd.ms-powerpoint.slide.macroEnabled.12', 'application/vnd.ms-powerpoint.slideshow.macroEnabled.12', 'application/vnd.ms-powerpoint.template.macroEnabled.12', 'application/vnd.ms-word', 'application/vnd.ms-word.document.macroEnabled.12', 'application/vnd.ms-word.template.macroEnabled.12', 'application/vnd.oasis.opendocument.chart', 'application/vnd.oasis.opendocument.database', 'application/vnd.oasis.opendocument.formula', 'application/vnd.oasis.opendocument.graphics', 'application/vnd.oasis.opendocument.graphics-template', 'application/vnd.oasis.opendocument.image', 'application/vnd.oasis.opendocument.presentation', 'application/vnd.oasis.opendocument.presentation-template', 'application/vnd.oasis.opendocument.spreadsheet', 'application/vnd.oasis.opendocument.spreadsheet-template', 'application/vnd.oasis.opendocument.text', 'application/vnd.oasis.opendocument.text-master', 'application/vnd.oasis.opendocument.text-template', 'application/vnd.oasis.opendocument.text-web', 'application/vnd.openofficeorg.extension', 'application/vnd.openxmlformats-officedocument.presentationml.presentation', 'application/vnd.openxmlformats-officedocument.presentationml.slide', 'application/vnd.openxmlformats-officedocument.presentationml.slideshow', 'application/vnd.openxmlformats-officedocument.presentationml.template', 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet', 'application/vnd.openxmlformats-officedocument.spreadsheetml.template', 'application/vnd.openxmlformats-officedocument.wordprocessingml.document', 'application/vnd.openxmlformats-officedocument.wordprocessingml.document', 'application/vnd.openxmlformats-officedocument.wordprocessingml.template', 'application/vocaltec-media-file', 'application/wordperfect', 'application/x-bittorrent', 'application/x-bzip', 'application/x-bzip2', 'application/x-compressed', 'application/x-excel', 'application/x-gzip', 'application/x-latex', 'application/x-midi', 'application/xml', 'application/x-msexcel', 'application/x-rar', 'application/x-rar-compressed', 'application/x-rtf', 'application/x-shockwave-flash', 'application/x-sit', 'application/x-stuffit', 'application/x-troff-msvideo', 'application/x-zip', 'application/x-zip-compressed', 'application/zip', 'audio/*', 'image/*', 'multipart/x-gzip', 'multipart/x-zip', 'text/plain', 'text/rtf', 'text/richtext', 'text/xml', 'video/*', 'text/csv' ); $this->mime_types = array( 'jpg' => 'image/jpeg', 'jpeg' => 'image/jpeg', 'jpe' => 'image/jpeg', 'gif' => 'image/gif', 'webp' => 'image/webp', 'png' => 'image/png', 'bmp' => 'image/bmp', 'flif' => 'image/flif', 'flv' => 'video/x-flv', 'js' => 'application/x-javascript', 'json' => 'application/json', 'tiff' => 'image/tiff', 'css' => 'text/css', 'xml' => 'application/xml', 'doc' => 'application/msword', 'xls' => 'application/vnd.ms-excel', 'xlt' => 'application/vnd.ms-excel', 'xlm' => 'application/vnd.ms-excel', 'xld' => 'application/vnd.ms-excel', 'xla' => 'application/vnd.ms-excel', 'xlc' => 'application/vnd.ms-excel', 'xlw' => 'application/vnd.ms-excel', 'xll' => 'application/vnd.ms-excel', 'ppt' => 'application/vnd.ms-powerpoint', 'pps' => 'application/vnd.ms-powerpoint', 'rtf' => 'application/rtf', 'pdf' => 'application/pdf', 'html' => 'text/html', 'htm' => 'text/html', 'php' => 'text/html', 'txt' => 'text/plain', 'mpeg' => 'video/mpeg', 'mpg' => 'video/mpeg', 'mpe' => 'video/mpeg', 'mp3' => 'audio/mpeg3', 'wav' => 'audio/wav', 'aiff' => 'audio/aiff', 'aif' => 'audio/aiff', 'avi' => 'video/msvideo', 'wmv' => 'video/x-ms-wmv', 'mov' => 'video/quicktime', 'zip' => 'application/zip', 'tar' => 'application/x-tar', 'swf' => 'application/x-shockwave-flash', 'odt' => 'application/vnd.oasis.opendocument.text', 'ott' => 'application/vnd.oasis.opendocument.text-template', 'oth' => 'application/vnd.oasis.opendocument.text-web', 'odm' => 'application/vnd.oasis.opendocument.text-master', 'odg' => 'application/vnd.oasis.opendocument.graphics', 'otg' => 'application/vnd.oasis.opendocument.graphics-template', 'odp' => 'application/vnd.oasis.opendocument.presentation', 'otp' => 'application/vnd.oasis.opendocument.presentation-template', 'ods' => 'application/vnd.oasis.opendocument.spreadsheet', 'ots' => 'application/vnd.oasis.opendocument.spreadsheet-template', 'odc' => 'application/vnd.oasis.opendocument.chart', 'odf' => 'application/vnd.oasis.opendocument.formula', 'odb' => 'application/vnd.oasis.opendocument.database', 'odi' => 'application/vnd.oasis.opendocument.image', 'oxt' => 'application/vnd.openofficeorg.extension', 'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document', 'docm' => 'application/vnd.ms-word.document.macroEnabled.12', 'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template', 'dotm' => 'application/vnd.ms-word.template.macroEnabled.12', 'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet', 'xlsm' => 'application/vnd.ms-excel.sheet.macroEnabled.12', 'xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template', 'xltm' => 'application/vnd.ms-excel.template.macroEnabled.12', 'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12', 'xlam' => 'application/vnd.ms-excel.addin.macroEnabled.12', 'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation', 'pptm' => 'application/vnd.ms-powerpoint.presentation.macroEnabled.12', 'ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow', 'ppsm' => 'application/vnd.ms-powerpoint.slideshow.macroEnabled.12', 'potx' => 'application/vnd.openxmlformats-officedocument.presentationml.template', 'potm' => 'application/vnd.ms-powerpoint.template.macroEnabled.12', 'ppam' => 'application/vnd.ms-powerpoint.addin.macroEnabled.12', 'sldx' => 'application/vnd.openxmlformats-officedocument.presentationml.slide', 'sldm' => 'application/vnd.ms-powerpoint.slide.macroEnabled.12', 'thmx' => 'application/vnd.ms-officetheme', 'onetoc' => 'application/onenote', 'onetoc2' => 'application/onenote', 'onetmp' => 'application/onenote', 'onepkg' => 'application/onenote', 'csv' => 'text/csv', ); } /** * Constructor, for PHP5+ */ function __construct($file, $lang = 'en_GB') { $this->upload($file, $lang); } /** * Constructor, for PHP4. Checks if the file has been uploaded * * The constructor takes $_FILES['form_field'] array as argument * where form_field is the form field name * * The constructor will check if the file has been uploaded in its temporary location, and * accordingly will set {@link uploaded} (and {@link error} is an error occurred) * * If the file has been uploaded, the constructor will populate all the variables holding the upload * information (none of the processing class variables are used here). * You can have access to information about the file (name, size, MIME type...). * * * Alternatively, you can set the first argument to be a local filename (string) * This allows processing of a local file, as if the file was uploaded * * The optional second argument allows you to set the language for the error messages * * @access private * @param array $file $_FILES['form_field'] * or string $file Local filename * @param string $lang Optional language code */ function upload($file, $lang = 'en_GB') { $this->version = '0.35dev'; $this->file_src_name = ''; $this->file_src_name_body = ''; $this->file_src_name_ext = ''; $this->file_src_mime = ''; $this->file_src_size = ''; $this->file_src_error = ''; $this->file_src_pathname = ''; $this->file_src_temp = ''; $this->file_dst_path = ''; $this->file_dst_name = ''; $this->file_dst_name_body = ''; $this->file_dst_name_ext = ''; $this->file_dst_pathname = ''; $this->image_src_x = null; $this->image_src_y = null; $this->image_src_bits = null; $this->image_src_type = null; $this->image_src_pixels = null; $this->image_dst_x = 0; $this->image_dst_y = 0; $this->image_dst_type = ''; $this->uploaded = true; $this->no_upload_check = false; $this->processed = false; $this->error = ''; $this->log = ''; $this->allowed = array(); $this->forbidden = array(); $this->file_is_image = false; $this->init(); $info = null; $mime_from_browser = null; // sets default language $this->translation = array(); $this->translation['file_error'] = 'File error. Please try again.'; $this->translation['local_file_missing'] = 'Local file doesn\'t exist.'; $this->translation['local_file_not_readable'] = 'Local file is not readable.'; $this->translation['uploaded_too_big_ini'] = 'File upload error (the uploaded file exceeds the upload_max_filesize directive in php.ini).'; $this->translation['uploaded_too_big_html'] = 'File upload error (the uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the html form).'; $this->translation['uploaded_partial'] = 'File upload error (the uploaded file was only partially uploaded).'; $this->translation['uploaded_missing'] = 'File upload error (no file was uploaded).'; $this->translation['uploaded_no_tmp_dir'] = 'File upload error (missing a temporary folder).'; $this->translation['uploaded_cant_write'] = 'File upload error (failed to write file to disk).'; $this->translation['uploaded_err_extension'] = 'File upload error (file upload stopped by extension).'; $this->translation['uploaded_unknown'] = 'File upload error (unknown error code).'; $this->translation['try_again'] = 'File upload error. Please try again.'; $this->translation['file_too_big'] = 'File too big.'; $this->translation['no_mime'] = 'MIME type can\'t be detected.'; $this->translation['incorrect_file'] = 'Incorrect type of file.'; $this->translation['image_too_wide'] = 'Image too wide.'; $this->translation['image_too_narrow'] = 'Image too narrow.'; $this->translation['image_too_high'] = 'Image too tall.'; $this->translation['image_too_short'] = 'Image too short.'; $this->translation['ratio_too_high'] = 'Image ratio too high (image too wide).'; $this->translation['ratio_too_low'] = 'Image ratio too low (image too high).'; $this->translation['too_many_pixels'] = 'Image has too many pixels.'; $this->translation['not_enough_pixels'] = 'Image has not enough pixels.'; $this->translation['file_not_uploaded'] = 'File not uploaded. Can\'t carry on a process.'; $this->translation['already_exists'] = '%s already exists. Please change the file name.'; $this->translation['temp_file_missing'] = 'No correct temp source file. Can\'t carry on a process.'; $this->translation['source_missing'] = 'No correct uploaded source file. Can\'t carry on a process.'; $this->translation['destination_dir'] = 'Destination directory can\'t be created. Can\'t carry on a process.'; $this->translation['destination_dir_missing'] = 'Destination directory doesn\'t exist. Can\'t carry on a process.'; $this->translation['destination_path_not_dir'] = 'Destination path is not a directory. Can\'t carry on a process.'; $this->translation['destination_dir_write'] = 'Destination directory can\'t be made writeable. Can\'t carry on a process.'; $this->translation['destination_path_write'] = 'Destination path is not a writeable. Can\'t carry on a process.'; $this->translation['temp_file'] = 'Can\'t create the temporary file. Can\'t carry on a process.'; $this->translation['source_not_readable'] = 'Source file is not readable. Can\'t carry on a process.'; $this->translation['no_create_support'] = 'No create from %s support.'; $this->translation['create_error'] = 'Error in creating %s image from source.'; $this->translation['source_invalid'] = 'Can\'t read image source. Not an image?.'; $this->translation['gd_missing'] = 'GD doesn\'t seem to be present.'; $this->translation['watermark_no_create_support'] = 'No create from %s support, can\'t read watermark.'; $this->translation['watermark_create_error'] = 'No %s read support, can\'t create watermark.'; $this->translation['watermark_invalid'] = 'Unknown image format, can\'t read watermark.'; $this->translation['file_create'] = 'No %s create support.'; $this->translation['no_conversion_type'] = 'No conversion type defined.'; $this->translation['copy_failed'] = 'Error copying file on the server. copy() failed.'; $this->translation['reading_failed'] = 'Error reading the file.'; // determines the language $this->lang = $lang; if ($this->lang != 'en_GB' && file_exists(dirname(__FILE__).'/lang') && file_exists(dirname(__FILE__).'/lang/class.upload.' . $lang . '.php')) { $translation = null; include(dirname(__FILE__).'/lang/class.upload.' . $lang . '.php'); if (is_array($translation)) { $this->translation = array_merge($this->translation, $translation); } else { $this->lang = 'en_GB'; } } // determines the supported MIME types, and matching image format $this->image_supported = array(); if ($this->gdversion()) { if (imagetypes() & IMG_GIF) { $this->image_supported['image/gif'] = 'gif'; } if (imagetypes() & IMG_JPG) { $this->image_supported['image/jpg'] = 'jpg'; $this->image_supported['image/jpeg'] = 'jpg'; $this->image_supported['image/pjpeg'] = 'jpg'; } if (imagetypes() & IMG_PNG) { $this->image_supported['image/png'] = 'png'; $this->image_supported['image/x-png'] = 'png'; } if (imagetypes() & IMG_WEBP) { $this->image_supported['image/webp'] = 'webp'; $this->image_supported['image/x-webp'] = 'webp'; } if (imagetypes() & IMG_WBMP) { $this->image_supported['image/bmp'] = 'bmp'; $this->image_supported['image/x-ms-bmp'] = 'bmp'; $this->image_supported['image/x-windows-bmp'] = 'bmp'; } } // display some system information if (empty($this->log)) { $this->log .= '<b>system information</b><br />'; if ($this->function_enabled('ini_get_all')) { $inis = ini_get_all(); $open_basedir = (array_key_exists('open_basedir', $inis) && array_key_exists('local_value', $inis['open_basedir']) && !empty($inis['open_basedir']['local_value'])) ? $inis['open_basedir']['local_value'] : false; } else { $open_basedir = false; } $gd = $this->gdversion() ? $this->gdversion(true) : 'GD not present'; $supported = trim((in_array('png', $this->image_supported) ? 'png' : '') . ' ' . (in_array('webp', $this->image_supported) ? 'webp' : '') . ' ' . (in_array('jpg', $this->image_supported) ? 'jpg' : '') . ' ' . (in_array('gif', $this->image_supported) ? 'gif' : '') . ' ' . (in_array('bmp', $this->image_supported) ? 'bmp' : '')); $this->log .= '- class version : ' . $this->version . '<br />'; $this->log .= '- operating system : ' . PHP_OS . '<br />'; $this->log .= '- PHP version : ' . PHP_VERSION . '<br />'; $this->log .= '- GD version : ' . $gd . '<br />'; $this->log .= '- supported image types : ' . (!empty($supported) ? $supported : 'none') . '<br />'; $this->log .= '- open_basedir : ' . (!empty($open_basedir) ? $open_basedir : 'no restriction') . '<br />'; $this->log .= '- upload_max_filesize : ' . $this->file_max_size_raw . ' (' . $this->file_max_size . ' bytes)<br />'; $this->log .= '- language : ' . $this->lang . '<br />'; } if (!$file) { $this->uploaded = false; $this->error = $this->translate('file_error'); } // check if we sent a local filename or a PHP stream rather than a $_FILE element if (!is_array($file)) { if (empty($file)) { $this->uploaded = false; $this->error = $this->translate('file_error'); } else { if (substr($file, 0, 4) == 'php:' || substr($file, 0, 5) == 'data:' || substr($file, 0, 7) == 'base64:') { $data = null; // this is a PHP stream, i.e.not uploaded if (substr($file, 0, 4) == 'php:') { $file = preg_replace('/^php:(.*)/i', '$1', $file); if (!$file) $file = $_SERVER['HTTP_X_FILE_NAME']; if (!$file) $file = 'unknown'; $data = file_get_contents('php://input'); $this->log .= '<b>source is a PHP stream ' . $file . ' of length ' . strlen($data) . '</b><br />'; // this is the raw file data, base64-encoded, i.e.not uploaded } else if (substr($file, 0, 7) == 'base64:') { $data = base64_decode(preg_replace('/^base64:(.*)/i', '$1', $file)); $file = 'base64'; $this->log .= '<b>source is a base64 string of length ' . strlen($data) . '</b><br />'; // this is the raw file data, base64-encoded, i.e.not uploaded } else if (substr($file, 0, 5) == 'data:' && strpos($file, 'base64,') !== false) { $data = base64_decode(preg_replace('/^data:.*base64,(.*)/i', '$1', $file)); $file = 'base64'; $this->log .= '<b>source is a base64 data string of length ' . strlen($data) . '</b><br />'; // this is the raw file data, i.e.not uploaded } else if (substr($file, 0, 5) == 'data:') { $data = preg_replace('/^data:(.*)/i', '$1', $file); $file = 'data'; $this->log .= '<b>source is a data string of length ' . strlen($data) . '</b><br />'; } if (!$data) { $this->log .= '- source is empty!<br />'; $this->uploaded = false; $this->error = $this->translate('source_invalid'); } $this->no_upload_check = true; if ($this->uploaded) { $this->log .= '- requires a temp file ... '; $hash = $this->temp_dir() . md5($file . rand(1, 1000)); if ($data && file_put_contents($hash, $data)) { $this->file_src_pathname = $hash; $this->log .= ' file created<br />'; $this->log .= ' temp file is: ' . $this->file_src_pathname . '<br />'; } else { $this->log .= ' failed<br />'; $this->uploaded = false; $this->error = $this->translate('temp_file'); } } if ($this->uploaded) { $this->file_src_name = $file; $this->log .= '- local file OK<br />'; preg_match('/\.([^\.]*$)/', $this->file_src_name, $extension); if (is_array($extension) && sizeof($extension) > 0) { $this->file_src_name_ext = strtolower($extension[1]); $this->file_src_name_body = substr($this->file_src_name, 0, ((strlen($this->file_src_name) - strlen($this->file_src_name_ext)))-1); } else { $this->file_src_name_ext = ''; $this->file_src_name_body = $this->file_src_name; } $this->file_src_size = (file_exists($this->file_src_pathname) ? filesize($this->file_src_pathname) : 0); } $this->file_src_error = 0; } else { // this is a local filename, i.e.not uploaded $this->log .= '<b>source is a local file ' . $file . '</b><br />'; $this->no_upload_check = true; if ($this->uploaded && !file_exists($file)) { $this->uploaded = false; $this->error = $this->translate('local_file_missing'); } if ($this->uploaded && !is_readable($file)) { $this->uploaded = false; $this->error = $this->translate('local_file_not_readable'); } if ($this->uploaded) { $this->file_src_pathname = $file; $this->file_src_name = basename($file); $this->log .= '- local file OK<br />'; preg_match('/\.([^\.]*$)/', $this->file_src_name, $extension); if (is_array($extension) && sizeof($extension) > 0) { $this->file_src_name_ext = strtolower($extension[1]); $this->file_src_name_body = substr($this->file_src_name, 0, ((strlen($this->file_src_name) - strlen($this->file_src_name_ext)))-1); } else { $this->file_src_name_ext = ''; $this->file_src_name_body = $this->file_src_name; } $this->file_src_size = (file_exists($this->file_src_pathname) ? filesize($this->file_src_pathname) : 0); } $this->file_src_error = 0; } } } else { // this is an element from $_FILE, i.e. an uploaded file $this->log .= '<b>source is an uploaded file</b><br />'; if ($this->uploaded) { $this->file_src_error = trim($file['error']); switch($this->file_src_error) { case UPLOAD_ERR_OK: // all is OK $this->log .= '- upload OK<br />'; break; case UPLOAD_ERR_INI_SIZE: $this->uploaded = false; $this->error = $this->translate('uploaded_too_big_ini'); break; case UPLOAD_ERR_FORM_SIZE: $this->uploaded = false; $this->error = $this->translate('uploaded_too_big_html'); break; case UPLOAD_ERR_PARTIAL: $this->uploaded = false; $this->error = $this->translate('uploaded_partial'); break; case UPLOAD_ERR_NO_FILE: $this->uploaded = false; $this->error = $this->translate('uploaded_missing'); break; case @UPLOAD_ERR_NO_TMP_DIR: $this->uploaded = false; $this->error = $this->translate('uploaded_no_tmp_dir'); break; case @UPLOAD_ERR_CANT_WRITE: $this->uploaded = false; $this->error = $this->translate('uploaded_cant_write'); break; case @UPLOAD_ERR_EXTENSION: $this->uploaded = false; $this->error = $this->translate('uploaded_err_extension'); break; default: $this->uploaded = false; $this->error = $this->translate('uploaded_unknown') . ' ('.$this->file_src_error.')'; } } if ($this->uploaded) { $this->file_src_pathname = $file['tmp_name']; $this->file_src_name = $file['name']; if ($this->file_src_name == '') { $this->uploaded = false; $this->error = $this->translate('try_again'); } } if ($this->uploaded) { $this->log .= '- file name OK<br />'; preg_match('/\.([^\.]*$)/', $this->file_src_name, $extension); if (is_array($extension) && sizeof($extension) > 0) { $this->file_src_name_ext = strtolower($extension[1]); $this->file_src_name_body = substr($this->file_src_name, 0, ((strlen($this->file_src_name) - strlen($this->file_src_name_ext)))-1); } else { $this->file_src_name_ext = ''; $this->file_src_name_body = $this->file_src_name; } $this->file_src_size = $file['size']; $mime_from_browser = $file['type']; } } if ($this->uploaded) { $this->log .= '<b>determining MIME type</b><br />'; $this->file_src_mime = null; // checks MIME type with Fileinfo PECL extension if (!$this->file_src_mime || !is_string($this->file_src_mime) || empty($this->file_src_mime) || strpos($this->file_src_mime, '/') === false) { if ($this->mime_fileinfo) { $this->log .= '- Checking MIME type with Fileinfo PECL extension<br />'; if ($this->function_enabled('finfo_open')) { $path = null; if ($this->mime_fileinfo !== '') { if ($this->mime_fileinfo === true) { if (getenv('MAGIC') === false) { if (substr(PHP_OS, 0, 3) == 'WIN') { $path = realpath(ini_get('extension_dir') . '/../') . '/extras/magic'; $this->log .= ' MAGIC path defaults to ' . $path . '<br />'; } } else { $path = getenv('MAGIC'); $this->log .= ' MAGIC path is set to ' . $path . ' from MAGIC variable<br />'; } } else { $path = $this->mime_fileinfo; $this->log .= ' MAGIC path is set to ' . $path . '<br />'; } } if ($path) { $f = @finfo_open(FILEINFO_MIME, $path); } else { $this->log .= ' MAGIC path will not be used<br />'; $f = @finfo_open(FILEINFO_MIME); } if (is_resource($f)) { $mime = finfo_file($f, realpath($this->file_src_pathname)); finfo_close($f); $this->file_src_mime = $mime; $this->log .= ' MIME type detected as ' . $this->file_src_mime . ' by Fileinfo PECL extension<br />'; if (preg_match("/^([\.\w-]+)\/([\.\w-]+)(.*)$/i", $this->file_src_mime)) { $this->file_src_mime = preg_replace("/^([\.\w-]+)\/([\.\w-]+)(.*)$/i", '$1/$2', $this->file_src_mime); $this->log .= '- MIME validated as ' . $this->file_src_mime . '<br />'; } else { $this->file_src_mime = null; } } else { $this->log .= ' Fileinfo PECL extension failed (finfo_open)<br />'; } } elseif (@class_exists('finfo', false)) { $f = new finfo( FILEINFO_MIME ); if ($f) { $this->file_src_mime = $f->file(realpath($this->file_src_pathname)); $this->log .= '- MIME type detected as ' . $this->file_src_mime . ' by Fileinfo PECL extension<br />'; if (preg_match("/^([\.\w-]+)\/([\.\w-]+)(.*)$/i", $this->file_src_mime)) { $this->file_src_mime = preg_replace("/^([\.\w-]+)\/([\.\w-]+)(.*)$/i", '$1/$2', $this->file_src_mime); $this->log .= '- MIME validated as ' . $this->file_src_mime . '<br />'; } else { $this->file_src_mime = null; } } else { $this->log .= ' Fileinfo PECL extension failed (finfo)<br />'; } } else { $this->log .= ' Fileinfo PECL extension not available<br />'; } } else { $this->log .= '- Fileinfo PECL extension deactivated<br />'; } } // checks MIME type with shell if unix access is authorized if (!$this->file_src_mime || !is_string($this->file_src_mime) || empty($this->file_src_mime) || strpos($this->file_src_mime, '/') === false) { if ($this->mime_file) { $this->log .= '- Checking MIME type with UNIX file() command<br />'; if (substr(PHP_OS, 0, 3) != 'WIN') { if ($this->function_enabled('exec') && $this->function_enabled('escapeshellarg')) { if (strlen($mime = @exec("file -bi ".escapeshellarg($this->file_src_pathname))) != 0) { $this->file_src_mime = trim($mime); $this->log .= ' MIME type detected as ' . $this->file_src_mime . ' by UNIX file() command<br />'; if (preg_match("/^([\.\w-]+)\/([\.\w-]+)(.*)$/i", $this->file_src_mime)) { $this->file_src_mime = preg_replace("/^([\.\w-]+)\/([\.\w-]+)(.*)$/i", '$1/$2', $this->file_src_mime); $this->log .= '- MIME validated as ' . $this->file_src_mime . '<br />'; } else { $this->file_src_mime = null; } } else { $this->log .= ' UNIX file() command failed<br />'; } } else { $this->log .= ' PHP exec() function is disabled<br />'; } } else { $this->log .= ' UNIX file() command not availabled<br />'; } } else { $this->log .= '- UNIX file() command is deactivated<br />'; } } // checks MIME type with mime_magic if (!$this->file_src_mime || !is_string($this->file_src_mime) || empty($this->file_src_mime) || strpos($this->file_src_mime, '/') === false) { if ($this->mime_magic) { $this->log .= '- Checking MIME type with mime.magic file (mime_content_type())<br />'; if ($this->function_enabled('mime_content_type')) { $this->file_src_mime = mime_content_type($this->file_src_pathname); $this->log .= ' MIME type detected as ' . $this->file_src_mime . ' by mime_content_type()<br />'; if (preg_match("/^([\.\w-]+)\/([\.\w-]+)(.*)$/i", $this->file_src_mime)) { $this->file_src_mime = preg_replace("/^([\.\w-]+)\/([\.\w-]+)(.*)$/i", '$1/$2', $this->file_src_mime); $this->log .= '- MIME validated as ' . $this->file_src_mime . '<br />'; } else { $this->file_src_mime = null; } } else { $this->log .= ' mime_content_type() is not available<br />'; } } else { $this->log .= '- mime.magic file (mime_content_type()) is deactivated<br />'; } } // checks MIME type with getimagesize() if (!$this->file_src_mime || !is_string($this->file_src_mime) || empty($this->file_src_mime) || strpos($this->file_src_mime, '/') === false) { if ($this->mime_getimagesize) { $this->log .= '- Checking MIME type with getimagesize()<br />'; $info = getimagesize($this->file_src_pathname); if (is_array($info) && array_key_exists('mime', $info)) { $this->file_src_mime = trim($info['mime']); if (empty($this->file_src_mime)) { $this->log .= ' MIME empty, guessing from type<br />'; $mime = (is_array($info) && array_key_exists(2, $info) ? $info[2] : null); // 1 = GIF, 2 = JPG, 3 = PNG $this->file_src_mime = ($mime==IMAGETYPE_GIF ? 'image/gif' : ($mime==IMAGETYPE_JPEG ? 'image/jpeg' : ($mime==IMAGETYPE_PNG ? 'image/png' : ($mime==IMAGETYPE_WEBP ? 'image/webp' : ($mime==IMAGETYPE_BMP ? 'image/bmp' : null))))); } $this->log .= ' MIME type detected as ' . $this->file_src_mime . ' by PHP getimagesize() function<br />'; if (preg_match("/^([\.\w-]+)\/([\.\w-]+)(.*)$/i", $this->file_src_mime)) { $this->file_src_mime = preg_replace("/^([\.\w-]+)\/([\.\w-]+)(.*)$/i", '$1/$2', $this->file_src_mime); $this->log .= '- MIME validated as ' . $this->file_src_mime . '<br />'; } else { $this->file_src_mime = null; } } else { $this->log .= ' getimagesize() failed<br />'; } } else { $this->log .= '- getimagesize() is deactivated<br />'; } } // default to MIME from browser (or Flash) if (!empty($mime_from_browser) && !$this->file_src_mime || !is_string($this->file_src_mime) || empty($this->file_src_mime)) { $this->file_src_mime =$mime_from_browser; $this->log .= '- MIME type detected as ' . $this->file_src_mime . ' by browser<br />'; if (preg_match("/^([\.\w-]+)\/([\.\w-]+)(.*)$/i", $this->file_src_mime)) { $this->file_src_mime = preg_replace("/^([\.\w-]+)\/([\.\w-]+)(.*)$/i", '$1/$2', $this->file_src_mime); $this->log .= '- MIME validated as ' . $this->file_src_mime . '<br />'; } else { $this->file_src_mime = null; } } // we need to work some magic if we upload via Flash if ($this->file_src_mime == 'application/octet-stream' || !$this->file_src_mime || !is_string($this->file_src_mime) || empty($this->file_src_mime) || strpos($this->file_src_mime, '/') === false) { if ($this->file_src_mime == 'application/octet-stream') $this->log .= '- Flash may be rewriting MIME as application/octet-stream<br />'; $this->log .= '- Try to guess MIME type from file extension (' . $this->file_src_name_ext . '): '; if (array_key_exists($this->file_src_name_ext, $this->mime_types)) $this->file_src_mime = $this->mime_types[$this->file_src_name_ext]; if ($this->file_src_mime == 'application/octet-stream') { $this->log .= 'doesn\'t look like anything known<br />'; } else { $this->log .= 'MIME type set to ' . $this->file_src_mime . '<br />'; } } if (!$this->file_src_mime || !is_string($this->file_src_mime) || empty($this->file_src_mime) || strpos($this->file_src_mime, '/') === false) { $this->log .= '- MIME type couldn\'t be detected! (' . (string) $this->file_src_mime . ')<br />'; } // determine whether the file is an image if ($this->file_src_mime && is_string($this->file_src_mime) && !empty($this->file_src_mime) && array_key_exists($this->file_src_mime, $this->image_supported)) { $this->file_is_image = true; $this->image_src_type = $this->image_supported[$this->file_src_mime]; } // if the file is an image, we gather some useful data if ($this->file_is_image) { if ($h = fopen($this->file_src_pathname, 'r')) { fclose($h); $info = getimagesize($this->file_src_pathname); if (is_array($info)) { $this->image_src_x = $info[0]; $this->image_src_y = $info[1]; $this->image_dst_x = $this->image_src_x; $this->image_dst_y = $this->image_src_y; $this->image_src_pixels = $this->image_src_x * $this->image_src_y; $this->image_src_bits = array_key_exists('bits', $info) ? $info['bits'] : null; } else { $this->file_is_image = false; $this->uploaded = false; $this->log .= '- can\'t retrieve image information, image may have been tampered with<br />'; $this->error = $this->translate('source_invalid'); } } else { $this->log .= '- can\'t read source file directly. open_basedir restriction in place?<br />'; } } $this->log .= '<b>source variables</b><br />'; $this->log .= '- You can use all these before calling process()<br />'; $this->log .= ' file_src_name : ' . $this->file_src_name . '<br />'; $this->log .= ' file_src_name_body : ' . $this->file_src_name_body . '<br />'; $this->log .= ' file_src_name_ext : ' . $this->file_src_name_ext . '<br />'; $this->log .= ' file_src_pathname : ' . $this->file_src_pathname . '<br />'; $this->log .= ' file_src_mime : ' . $this->file_src_mime . '<br />'; $this->log .= ' file_src_size : ' . $this->file_src_size . ' (max= ' . $this->file_max_size . ')<br />'; $this->log .= ' file_src_error : ' . $this->file_src_error . '<br />'; if ($this->file_is_image) { $this->log .= '- source file is an image<br />'; $this->log .= ' image_src_x : ' . $this->image_src_x . '<br />'; $this->log .= ' image_src_y : ' . $this->image_src_y . '<br />'; $this->log .= ' image_src_pixels : ' . $this->image_src_pixels . '<br />'; $this->log .= ' image_src_type : ' . $this->image_src_type . '<br />'; $this->log .= ' image_src_bits : ' . $this->image_src_bits . '<br />'; } } } /** * Returns the version of GD * * @access public * @param boolean $full Optional flag to get precise version * @return float GD version */ function gdversion($full = false) { static $gd_version = null; static $gd_full_version = null; if ($gd_version === null) { if ($this->function_enabled('gd_info')) { $gd = gd_info(); $gd = $gd["GD Version"]; $regex = "/([\d\.]+)/i"; } else { ob_start(); phpinfo(8); $gd = ob_get_contents(); ob_end_clean(); $regex = "/\bgd\s+version\b[^\d\n\r]+?([\d\.]+)/i"; } if (preg_match($regex, $gd, $m)) { $gd_full_version = (string) $m[1]; $gd_version = (float) $m[1]; } else { $gd_full_version = 'none'; $gd_version = 0; } } if ($full) { return $gd_full_version; } else { return $gd_version; } } /** * Checks if a function is available * * @access private * @param string $func Function name * @return boolean Success */ function function_enabled($func) { // cache the list of disabled functions static $disabled = null; if ($disabled === null) $disabled = array_map('trim', array_map('strtolower', explode(',', ini_get('disable_functions')))); // cache the list of functions blacklisted by suhosin static $blacklist = null; if ($blacklist === null) $blacklist = extension_loaded('suhosin') ? array_map('trim', array_map('strtolower', explode(',', ini_get(' suhosin.executor.func.blacklist')))) : array(); // checks if the function is really enabled return (function_exists($func) && !in_array($func, $disabled) && !in_array($func, $blacklist)); } /** * Creates directories recursively * * @access private * @param string $path Path to create * @param integer $mode Optional permissions * @return boolean Success */ function rmkdir($path, $mode = 0755) { return is_dir($path) || ( $this->rmkdir(dirname($path), $mode) && $this->_mkdir($path, $mode) ); } /** * Creates directory * * @access private * @param string $path Path to create * @param integer $mode Optional permissions * @return boolean Success */ function _mkdir($path, $mode = 0755) { $old = umask(0); $res = @mkdir($path, $mode); umask($old); return $res; } /** * Translate error messages * * @access private * @param string $str Message to translate * @param array $tokens Optional token values * @return string Translated string */ function translate($str, $tokens = array()) { if (array_key_exists($str, $this->translation)) $str = $this->translation[$str]; if (is_array($tokens) && sizeof($tokens) > 0) $str = vsprintf($str, $tokens); return $str; } /** * Returns the temp directory * * @access private * @return string Temp directory string */ function temp_dir() { $dir = ''; if ($this->function_enabled('sys_get_temp_dir')) $dir = sys_get_temp_dir(); if (!$dir && $tmp=getenv('TMP')) $dir = $tmp; if (!$dir && $tmp=getenv('TEMP')) $dir = $tmp; if (!$dir && $tmp=getenv('TMPDIR')) $dir = $tmp; if (!$dir) { $tmp = tempnam(__FILE__,''); if (file_exists($tmp)) { unlink($tmp); $dir = dirname($tmp); } } if (!$dir) return ''; $slash = (strtolower(substr(PHP_OS, 0, 3)) === 'win' ? '\\' : '/'); if (substr($dir, -1) != $slash) $dir = $dir . $slash; return $dir; } /** * Sanitize a file name * * @access private * @param string $filename File name * @return string Sanitized file name */ function sanitize($filename) { // remove HTML tags $filename = strip_tags($filename); // remove non-breaking spaces $filename = preg_replace("#\x{00a0}#siu", ' ', $filename); // remove illegal file system characters $filename = str_replace(array_map('chr', range(0, 31)), '', $filename); // remove dangerous characters for file names $chars = array("?", "[", "]", "/", "\\", "=", "<", ">", ":", ";", ",", "'", "\"", "&", "’", "%20", "+", "$", "#", "*", "(", ")", "|", "~", "`", "!", "{", "}", "%", "+", "^", chr(0)); $filename = str_replace($chars, '-', $filename); // remove break/tabs/return carriage $filename = preg_replace('/[\r\n\t -]+/', '-', $filename); // convert some special letters $convert = array('Þ' => 'TH', 'þ' => 'th', 'Ð' => 'DH', 'ð' => 'dh', 'ß' => 'ss', 'Œ' => 'OE', 'œ' => 'oe', 'Æ' => 'AE', 'æ' => 'ae', 'µ' => 'u'); $filename = strtr($filename, $convert); // remove foreign accents by converting to HTML entities, and then remove the code $filename = html_entity_decode( $filename, ENT_QUOTES, "utf-8" ); $filename = htmlentities($filename, ENT_QUOTES, "utf-8"); $filename = preg_replace("/(&)([a-z])([a-z]+;)/i", '$2', $filename); // clean up, and remove repetitions $filename = preg_replace('/_+/', '_', $filename); $filename = preg_replace(array('/ +/', '/-+/'), '-', $filename); $filename = preg_replace(array('/-*\.-*/', '/\.{2,}/'), '.', $filename); // cut to 255 characters $length = 255 - strlen($this->file_dst_name_ext) + 1; $filename = extension_loaded('mbstring') ? mb_strcut($filename, 0, $length, mb_detect_encoding($filename)) : substr($filename, 0, $length); // remove bad characters at start and end $filename = trim($filename, '.-_'); return $filename; } /** * Decodes colors * * @access private * @param string $color Color string * @return array RGB colors */ function getcolors($color) { $color = str_replace('#', '', $color); if (strlen($color) == 3) $color = str_repeat(substr($color, 0, 1), 2) . str_repeat(substr($color, 1, 1), 2) . str_repeat(substr($color, 2, 1), 2); $r = sscanf($color, "%2x%2x%2x"); $red = (is_array($r) && array_key_exists(0, $r) && is_numeric($r[0]) ? $r[0] : 0); $green = (is_array($r) && array_key_exists(1, $r) && is_numeric($r[1]) ? $r[1] : 0); $blue = (is_array($r) && array_key_exists(2, $r) && is_numeric($r[2]) ? $r[2] : 0); return array($red, $green, $blue); } /** * Decodes sizes * * @access private * @param string $size Size in bytes, or shorthand byte options * @return integer Size in bytes */ function getsize($size) { if ($size === null) return null; $last = strtolower($size{strlen($size)-1}); $size = (int) $size; switch($last) { case 'g': $size *= 1024; case 'm': $size *= 1024; case 'k': $size *= 1024; } return $size; } /** * Decodes offsets * * @access private * @param misc $offsets Offsets, as an integer, a string or an array * @param integer $x Reference picture width * @param integer $y Reference picture height * @param boolean $round Round offsets before returning them * @param boolean $negative Allow negative offsets to be returned * @return array Array of four offsets (TRBL) */ function getoffsets($offsets, $x, $y, $round = true, $negative = true) { if (!is_array($offsets)) $offsets = explode(' ', $offsets); if (sizeof($offsets) == 4) { $ct = $offsets[0]; $cr = $offsets[1]; $cb = $offsets[2]; $cl = $offsets[3]; } else if (sizeof($offsets) == 2) { $ct = $offsets[0]; $cr = $offsets[1]; $cb = $offsets[0]; $cl = $offsets[1]; } else { $ct = $offsets[0]; $cr = $offsets[0]; $cb = $offsets[0]; $cl = $offsets[0]; } if (strpos($ct, '%')>0) $ct = $y * (str_replace('%','',$ct) / 100); if (strpos($cr, '%')>0) $cr = $x * (str_replace('%','',$cr) / 100); if (strpos($cb, '%')>0) $cb = $y * (str_replace('%','',$cb) / 100); if (strpos($cl, '%')>0) $cl = $x * (str_replace('%','',$cl) / 100); if (strpos($ct, 'px')>0) $ct = str_replace('px','',$ct); if (strpos($cr, 'px')>0) $cr = str_replace('px','',$cr); if (strpos($cb, 'px')>0) $cb = str_replace('px','',$cb); if (strpos($cl, 'px')>0) $cl = str_replace('px','',$cl); $ct = (int) $ct; $cr = (int) $cr; $cb = (int) $cb; $cl = (int) $cl; if ($round) { $ct = round($ct); $cr = round($cr); $cb = round($cb); $cl = round($cl); } if (!$negative) { if ($ct < 0) $ct = 0; if ($cr < 0) $cr = 0; if ($cb < 0) $cb = 0; if ($cl < 0) $cl = 0; } return array($ct, $cr, $cb, $cl); } /** * Creates a container image * * @access private * @param integer $x Width * @param integer $y Height * @param boolean $fill Optional flag to draw the background color or not * @param boolean $trsp Optional flag to set the background to be transparent * @return resource Container image */ function imagecreatenew($x, $y, $fill = true, $trsp = false) { if ($x < 1) $x = 1; if ($y < 1) $y = 1; if ($this->gdversion() >= 2 && !$this->image_is_palette) { // create a true color image $dst_im = imagecreatetruecolor($x, $y); // this preserves transparency in PNG and WEBP, in true color if (empty($this->image_background_color) || $trsp) { imagealphablending($dst_im, false ); imagefilledrectangle($dst_im, 0, 0, $x, $y, imagecolorallocatealpha($dst_im, 0, 0, 0, 127)); } } else { // creates a palette image $dst_im = imagecreate($x, $y); // preserves transparency for palette images, if the original image has transparency if (($fill && $this->image_is_transparent && empty($this->image_background_color)) || $trsp) { imagefilledrectangle($dst_im, 0, 0, $x, $y, $this->image_transparent_color); imagecolortransparent($dst_im, $this->image_transparent_color); } } // fills with background color if any is set if ($fill && !empty($this->image_background_color) && !$trsp) { list($red, $green, $blue) = $this->getcolors($this->image_background_color); $background_color = imagecolorallocate($dst_im, $red, $green, $blue); imagefilledrectangle($dst_im, 0, 0, $x, $y, $background_color); } return $dst_im; } /** * Transfers an image from the container to the destination image * * @access private * @param resource $src_im Container image * @param resource $dst_im Destination image * @return resource Destination image */ function imagetransfer($src_im, $dst_im) { if (is_resource($dst_im)) imagedestroy($dst_im); $dst_im = & $src_im; return $dst_im; } /** * Merges two images * * If the output format is PNG or WEBP, then we do it pixel per pixel to retain the alpha channel * * @access private * @param resource $dst_img Destination image * @param resource $src_img Overlay image * @param int $dst_x x-coordinate of destination point * @param int $dst_y y-coordinate of destination point * @param int $src_x x-coordinate of source point * @param int $src_y y-coordinate of source point * @param int $src_w Source width * @param int $src_h Source height * @param int $pct Optional percentage of the overlay, between 0 and 100 (default: 100) * @return resource Destination image */ function imagecopymergealpha(&$dst_im, &$src_im, $dst_x, $dst_y, $src_x, $src_y, $src_w, $src_h, $pct = 0) { $dst_x = (int) $dst_x; $dst_y = (int) $dst_y; $src_x = (int) $src_x; $src_y = (int) $src_y; $src_w = (int) $src_w; $src_h = (int) $src_h; $pct = (int) $pct; $dst_w = imagesx($dst_im); $dst_h = imagesy($dst_im); for ($y = $src_y; $y < $src_h; $y++) { for ($x = $src_x; $x < $src_w; $x++) { if ($x + $dst_x >= 0 && $x + $dst_x < $dst_w && $x + $src_x >= 0 && $x + $src_x < $src_w && $y + $dst_y >= 0 && $y + $dst_y < $dst_h && $y + $src_y >= 0 && $y + $src_y < $src_h) { $dst_pixel = imagecolorsforindex($dst_im, imagecolorat($dst_im, $x + $dst_x, $y + $dst_y)); $src_pixel = imagecolorsforindex($src_im, imagecolorat($src_im, $x + $src_x, $y + $src_y)); $src_alpha = 1 - ($src_pixel['alpha'] / 127); $dst_alpha = 1 - ($dst_pixel['alpha'] / 127); $opacity = $src_alpha * $pct / 100; if ($dst_alpha >= $opacity) $alpha = $dst_alpha; if ($dst_alpha < $opacity) $alpha = $opacity; if ($alpha > 1) $alpha = 1; if ($opacity > 0) { $dst_red = round(( ($dst_pixel['red'] * $dst_alpha * (1 - $opacity)) ) ); $dst_green = round(( ($dst_pixel['green'] * $dst_alpha * (1 - $opacity)) ) ); $dst_blue = round(( ($dst_pixel['blue'] * $dst_alpha * (1 - $opacity)) ) ); $src_red = round((($src_pixel['red'] * $opacity)) ); $src_green = round((($src_pixel['green'] * $opacity)) ); $src_blue = round((($src_pixel['blue'] * $opacity)) ); $red = round(($dst_red + $src_red ) / ($dst_alpha * (1 - $opacity) + $opacity)); $green = round(($dst_green + $src_green) / ($dst_alpha * (1 - $opacity) + $opacity)); $blue = round(($dst_blue + $src_blue ) / ($dst_alpha * (1 - $opacity) + $opacity)); if ($red > 255) $red = 255; if ($green > 255) $green = 255; if ($blue > 255) $blue = 255; $alpha = round((1 - $alpha) * 127); $color = imagecolorallocatealpha($dst_im, $red, $green, $blue, $alpha); imagesetpixel($dst_im, $x + $dst_x, $y + $dst_y, $color); } } } } return true; } /** * Actually uploads the file, and act on it according to the set processing class variables * * This function copies the uploaded file to the given location, eventually performing actions on it. * Typically, you can call {@link process} several times for the same file, * for instance to create a resized image and a thumbnail of the same file. * The original uploaded file remains intact in its temporary location, so you can use {@link process} several times. * You will be able to delete the uploaded file with {@link clean} when you have finished all your {@link process} calls. * * According to the processing class variables set in the calling file, the file can be renamed, * and if it is an image, can be resized or converted. * * When the processing is completed, and the file copied to its new location, the * processing class variables will be reset to their default value. * This allows you to set new properties, and perform another {@link process} on the same uploaded file * * If the function is called with a null or empty argument, then it will return the content of the picture * * It will set {@link processed} (and {@link error} is an error occurred) * * @access public * @param string $server_path Optional path location of the uploaded file, with an ending slash * @return string Optional content of the image */ function process($server_path = null) { $this->error = ''; $this->processed = true; $return_mode = false; $return_content = null; // clean up dst variables $this->file_dst_path = ''; $this->file_dst_pathname = ''; $this->file_dst_name = ''; $this->file_dst_name_body = ''; $this->file_dst_name_ext = ''; // clean up some parameters $this->file_max_size = $this->getsize($this->file_max_size); $this->jpeg_size = $this->getsize($this->jpeg_size); // copy some variables as we need to keep them clean $file_src_name = $this->file_src_name; $file_src_name_body = $this->file_src_name_body; $file_src_name_ext = $this->file_src_name_ext; if (!$this->uploaded) { $this->error = $this->translate('file_not_uploaded'); $this->processed = false; } if ($this->processed) { if (empty($server_path) || is_null($server_path)) { $this->log .= '<b>process file and return the content</b><br />'; $return_mode = true; } else { if(strtolower(substr(PHP_OS, 0, 3)) === 'win') { if (substr($server_path, -1, 1) != '\\') $server_path = $server_path . '\\'; } else { if (substr($server_path, -1, 1) != '/') $server_path = $server_path . '/'; } $this->log .= '<b>process file to ' . $server_path . '</b><br />'; } } if ($this->processed) { // checks file max size if ($this->file_src_size > $this->file_max_size) { $this->processed = false; $this->error = $this->translate('file_too_big') . ' : ' . $this->file_src_size . ' > ' . $this->file_max_size; } else { $this->log .= '- file size OK<br />'; } } if ($this->processed) { // if we have an image without extension, set it if ($this->file_force_extension && $this->file_is_image && !$this->file_src_name_ext) $file_src_name_ext = $this->image_src_type; // turn dangerous scripts into text files if ($this->no_script) { // if the file has no extension, we try to guess it from the MIME type if ($this->file_force_extension && empty($file_src_name_ext)) { if ($key = array_search($this->file_src_mime, $this->mime_types)) { $file_src_name_ext = $key; $file_src_name = $file_src_name_body . '.' . $file_src_name_ext; $this->log .= '- file renamed as ' . $file_src_name_body . '.' . $file_src_name_ext . '!<br />'; } } // if the file is text based, or has a dangerous extension, we rename it as .txt if ((((substr($this->file_src_mime, 0, 5) == 'text/' && $this->file_src_mime != 'text/rtf') || strpos($this->file_src_mime, 'javascript') !== false) && (substr($file_src_name, -4) != '.txt')) || preg_match('/\.(php|php5|php4|php3|phtml|pl|py|cgi|asp|js)$/i', $this->file_src_name) || $this->file_force_extension && empty($file_src_name_ext)) { $this->file_src_mime = 'text/plain'; if ($this->file_src_name_ext) $file_src_name_body = $file_src_name_body . '.' . $this->file_src_name_ext; $file_src_name_ext = 'txt'; $file_src_name = $file_src_name_body . '.' . $file_src_name_ext; $this->log .= '- script renamed as ' . $file_src_name_body . '.' . $file_src_name_ext . '!<br />'; } } if ($this->mime_check && empty($this->file_src_mime)) { $this->processed = false; $this->error = $this->translate('no_mime'); } else if ($this->mime_check && !empty($this->file_src_mime) && strpos($this->file_src_mime, '/') !== false) { list($m1, $m2) = explode('/', $this->file_src_mime); $allowed = false; // check wether the mime type is allowed if (!is_array($this->allowed)) $this->allowed = array($this->allowed); foreach($this->allowed as $k => $v) { list($v1, $v2) = explode('/', $v); if (($v1 == '*' && $v2 == '*') || ($v1 == $m1 && ($v2 == $m2 || $v2 == '*'))) { $allowed = true; break; } } // check wether the mime type is forbidden if (!is_array($this->forbidden)) $this->forbidden = array($this->forbidden); foreach($this->forbidden as $k => $v) { list($v1, $v2) = explode('/', $v); if (($v1 == '*' && $v2 == '*') || ($v1 == $m1 && ($v2 == $m2 || $v2 == '*'))) { $allowed = false; break; } } if (!$allowed) { $this->processed = false; $this->error = $this->translate('incorrect_file'); } else { $this->log .= '- file mime OK : ' . $this->file_src_mime . '<br />'; } } else { $this->log .= '- file mime (not checked) : ' . $this->file_src_mime . '<br />'; } // if the file is an image, we can check on its dimensions // these checks are not available if open_basedir restrictions are in place if ($this->file_is_image) { if (is_numeric($this->image_src_x) && is_numeric($this->image_src_y)) { $ratio = $this->image_src_x / $this->image_src_y; if (!is_null($this->image_max_width) && $this->image_src_x > $this->image_max_width) { $this->processed = false; $this->error = $this->translate('image_too_wide'); } if (!is_null($this->image_min_width) && $this->image_src_x < $this->image_min_width) { $this->processed = false; $this->error = $this->translate('image_too_narrow'); } if (!is_null($this->image_max_height) && $this->image_src_y > $this->image_max_height) { $this->processed = false; $this->error = $this->translate('image_too_high'); } if (!is_null($this->image_min_height) && $this->image_src_y < $this->image_min_height) { $this->processed = false; $this->error = $this->translate('image_too_short'); } if (!is_null($this->image_max_ratio) && $ratio > $this->image_max_ratio) { $this->processed = false; $this->error = $this->translate('ratio_too_high'); } if (!is_null($this->image_min_ratio) && $ratio < $this->image_min_ratio) { $this->processed = false; $this->error = $this->translate('ratio_too_low'); } if (!is_null($this->image_max_pixels) && $this->image_src_pixels > $this->image_max_pixels) { $this->processed = false; $this->error = $this->translate('too_many_pixels'); } if (!is_null($this->image_min_pixels) && $this->image_src_pixels < $this->image_min_pixels) { $this->processed = false; $this->error = $this->translate('not_enough_pixels'); } } else { $this->log .= '- no image properties available, can\'t enforce dimension checks : ' . $this->file_src_mime . '<br />'; } } } if ($this->processed) { $this->file_dst_path = $server_path; // repopulate dst variables from src $this->file_dst_name = $file_src_name; $this->file_dst_name_body = $file_src_name_body; $this->file_dst_name_ext = $file_src_name_ext; if ($this->file_overwrite) $this->file_auto_rename = false; if ($this->image_convert && $this->file_is_image) { // if we convert as an image $this->file_dst_name_ext = $this->image_convert; $this->log .= '- new file name ext : ' . $this->file_dst_name_ext . '<br />'; } if (!is_null($this->file_new_name_body)) { // rename file body $this->file_dst_name_body = $this->file_new_name_body; $this->log .= '- new file name body : ' . $this->file_new_name_body . '<br />'; } if (!is_null($this->file_new_name_ext)) { // rename file ext $this->file_dst_name_ext = $this->file_new_name_ext; $this->log .= '- new file name ext : ' . $this->file_new_name_ext . '<br />'; } if (!is_null($this->file_name_body_add)) { // append a string to the name $this->file_dst_name_body = $this->file_dst_name_body . $this->file_name_body_add; $this->log .= '- file name body append : ' . $this->file_name_body_add . '<br />'; } if (!is_null($this->file_name_body_pre)) { // prepend a string to the name $this->file_dst_name_body = $this->file_name_body_pre . $this->file_dst_name_body; $this->log .= '- file name body prepend : ' . $this->file_name_body_pre . '<br />'; } if ($this->file_safe_name) { // sanitize the name $this->file_dst_name_body = $this->sanitize($this->file_dst_name_body); $this->log .= '- file name safe format<br />'; } $this->log .= '- destination variables<br />'; if (empty($this->file_dst_path) || is_null($this->file_dst_path)) { $this->log .= ' file_dst_path : n/a<br />'; } else { $this->log .= ' file_dst_path : ' . $this->file_dst_path . '<br />'; } $this->log .= ' file_dst_name_body : ' . $this->file_dst_name_body . '<br />'; $this->log .= ' file_dst_name_ext : ' . $this->file_dst_name_ext . '<br />'; // set the destination file name $this->file_dst_name = $this->file_dst_name_body . (!empty($this->file_dst_name_ext) ? '.' . $this->file_dst_name_ext : ''); if (!$return_mode) { if (!$this->file_auto_rename) { $this->log .= '- no auto_rename if same filename exists<br />'; $this->file_dst_pathname = $this->file_dst_path . $this->file_dst_name; } else { $this->log .= '- checking for auto_rename<br />'; $this->file_dst_pathname = $this->file_dst_path . $this->file_dst_name; $body = $this->file_dst_name_body; $ext = ''; // if we have changed the extension, then we add our increment before if ($file_src_name_ext != $this->file_src_name_ext) { if (substr($this->file_dst_name_body, -1 - strlen($this->file_src_name_ext)) == '.' . $this->file_src_name_ext) { $body = substr($this->file_dst_name_body, 0, strlen($this->file_dst_name_body) - 1 - strlen($this->file_src_name_ext)); $ext = '.' . $this->file_src_name_ext; } } $cpt = 1; while (@file_exists($this->file_dst_pathname)) { $this->file_dst_name_body = $body . '_' . $cpt . $ext; $this->file_dst_name = $this->file_dst_name_body . (!empty($this->file_dst_name_ext) ? '.' . $this->file_dst_name_ext : ''); $cpt++; $this->file_dst_pathname = $this->file_dst_path . $this->file_dst_name; } if ($cpt>1) $this->log .= ' auto_rename to ' . $this->file_dst_name . '<br />'; } $this->log .= '- destination file details<br />'; $this->log .= ' file_dst_name : ' . $this->file_dst_name . '<br />'; $this->log .= ' file_dst_pathname : ' . $this->file_dst_pathname . '<br />'; if ($this->file_overwrite) { $this->log .= '- no overwrite checking<br />'; } else { if (@file_exists($this->file_dst_pathname)) { $this->processed = false; $this->error = $this->translate('already_exists', array($this->file_dst_name)); } else { $this->log .= '- ' . $this->file_dst_name . ' doesn\'t exist already<br />'; } } } } if ($this->processed) { // if we have already moved the uploaded file, we use the temporary copy as source file, and check if it exists if (!empty($this->file_src_temp)) { $this->log .= '- use the temp file instead of the original file since it is a second process<br />'; $this->file_src_pathname = $this->file_src_temp; if (!file_exists($this->file_src_pathname)) { $this->processed = false; $this->error = $this->translate('temp_file_missing'); } // if we haven't a temp file, and that we do check on uploads, we use is_uploaded_file() } else if (!$this->no_upload_check) { if (!is_uploaded_file($this->file_src_pathname)) { $this->processed = false; $this->error = $this->translate('source_missing'); } // otherwise, if we don't check on uploaded files (local file for instance), we use file_exists() } else { if (!file_exists($this->file_src_pathname)) { $this->processed = false; $this->error = $this->translate('source_missing'); } } // checks if the destination directory exists, and attempt to create it if (!$return_mode) { if ($this->processed && !file_exists($this->file_dst_path)) { if ($this->dir_auto_create) { $this->log .= '- ' . $this->file_dst_path . ' doesn\'t exist. Attempting creation:'; if (!$this->rmkdir($this->file_dst_path, $this->dir_chmod)) { $this->log .= ' failed<br />'; $this->processed = false; $this->error = $this->translate('destination_dir'); } else { $this->log .= ' success<br />'; } } else { $this->error = $this->translate('destination_dir_missing'); } } if ($this->processed && !is_dir($this->file_dst_path)) { $this->processed = false; $this->error = $this->translate('destination_path_not_dir'); } // checks if the destination directory is writeable, and attempt to make it writeable $hash = md5($this->file_dst_name_body . rand(1, 1000)); if ($this->processed && !($f = @fopen($this->file_dst_path . $hash . (!empty($this->file_dst_name_ext) ? '.' . $this->file_dst_name_ext : ''), 'a+'))) { if ($this->dir_auto_chmod) { $this->log .= '- ' . $this->file_dst_path . ' is not writeable. Attempting chmod:'; if (!@chmod($this->file_dst_path, $this->dir_chmod)) { $this->log .= ' failed<br />'; $this->processed = false; $this->error = $this->translate('destination_dir_write'); } else { $this->log .= ' success<br />'; if (!($f = @fopen($this->file_dst_path . $hash . (!empty($this->file_dst_name_ext) ? '.' . $this->file_dst_name_ext : ''), 'a+'))) { // we re-check $this->processed = false; $this->error = $this->translate('destination_dir_write'); } else { @fclose($f); } } } else { $this->processed = false; $this->error = $this->translate('destination_path_write'); } } else { if ($this->processed) @fclose($f); @unlink($this->file_dst_path . $hash . (!empty($this->file_dst_name_ext) ? '.' . $this->file_dst_name_ext : '')); } // if we have an uploaded file, and if it is the first process, and if we can't access the file directly (open_basedir restriction) // then we create a temp file that will be used as the source file in subsequent processes // the third condition is there to check if the file is not accessible *directly* (it already has positively gone through is_uploaded_file(), so it exists) if (!$this->no_upload_check && empty($this->file_src_temp) && !@file_exists($this->file_src_pathname)) { $this->log .= '- attempting to use a temp file:'; $hash = md5($this->file_dst_name_body . rand(1, 1000)); if (move_uploaded_file($this->file_src_pathname, $this->file_dst_path . $hash . (!empty($this->file_dst_name_ext) ? '.' . $this->file_dst_name_ext : ''))) { $this->file_src_pathname = $this->file_dst_path . $hash . (!empty($this->file_dst_name_ext) ? '.' . $this->file_dst_name_ext : ''); $this->file_src_temp = $this->file_src_pathname; $this->log .= ' file created<br />'; $this->log .= ' temp file is: ' . $this->file_src_temp . '<br />'; } else { $this->log .= ' failed<br />'; $this->processed = false; $this->error = $this->translate('temp_file'); } } } } if ($this->processed) { // check if we need to autorotate, to automatically pre-rotates the image according to EXIF data (JPEG only) $auto_flip = false; $auto_rotate = 0; if ($this->file_is_image && $this->image_auto_rotate && $this->image_src_type == 'jpg' && $this->function_enabled('exif_read_data')) { $exif = @exif_read_data($this->file_src_pathname); if (is_array($exif) && isset($exif['Orientation'])) { $orientation = $exif['Orientation']; switch($orientation) { case 1: $this->log .= '- EXIF orientation = 1 : default<br />'; break; case 2: $auto_flip = 'v'; $this->log .= '- EXIF orientation = 2 : vertical flip<br />'; break; case 3: $auto_rotate = 180; $this->log .= '- EXIF orientation = 3 : 180 rotate left<br />'; break; case 4: $auto_flip = 'h'; $this->log .= '- EXIF orientation = 4 : horizontal flip<br />'; break; case 5: $auto_flip = 'h'; $auto_rotate = 90; $this->log .= '- EXIF orientation = 5 : horizontal flip + 90 rotate right<br />'; break; case 6: $auto_rotate = 90; $this->log .= '- EXIF orientation = 6 : 90 rotate right<br />'; break; case 7: $auto_flip = 'v'; $auto_rotate = 90; $this->log .= '- EXIF orientation = 7 : vertical flip + 90 rotate right<br />'; break; case 8: $auto_rotate = 270; $this->log .= '- EXIF orientation = 8 : 90 rotate left<br />'; break; default: $this->log .= '- EXIF orientation = '.$orientation.' : unknown<br />'; break; } } else { $this->log .= '- EXIF data is invalid or missing<br />'; } } else { if (!$this->image_auto_rotate) { $this->log .= '- auto-rotate deactivated<br />'; } else if (!$this->image_src_type == 'jpg') { $this->log .= '- auto-rotate applies only to JPEG images<br />'; } else if (!$this->function_enabled('exif_read_data')) { $this->log .= '- auto-rotate requires function exif_read_data to be enabled<br />'; } } // do we do some image manipulation? $image_manipulation = ($this->file_is_image && ( $this->image_resize || $this->image_convert != '' || is_numeric($this->image_brightness) || is_numeric($this->image_contrast) || is_numeric($this->image_opacity) || is_numeric($this->image_threshold) || !empty($this->image_tint_color) || !empty($this->image_overlay_color) || $this->image_pixelate || $this->image_unsharp || !empty($this->image_text) || $this->image_greyscale || $this->image_negative || !empty($this->image_watermark) || $auto_rotate || $auto_flip || is_numeric($this->image_rotate) || is_numeric($this->jpeg_size) || !empty($this->image_flip) || !empty($this->image_crop) || !empty($this->image_precrop) || !empty($this->image_border) || !empty($this->image_border_transparent) || $this->image_frame > 0 || $this->image_bevel > 0 || $this->image_reflection_height)); // we do a quick check to ensure the file is really an image // we can do this only now, as it would have failed before in case of open_basedir if ($image_manipulation && !@getimagesize($this->file_src_pathname)) { $this->log .= '- the file is not an image!<br />'; $image_manipulation = false; } if ($image_manipulation) { // make sure GD doesn't complain too much @ini_set("gd.jpeg_ignore_warning", 1); // checks if the source file is readable if ($this->processed && !($f = @fopen($this->file_src_pathname, 'r'))) { $this->processed = false; $this->error = $this->translate('source_not_readable'); } else { @fclose($f); } // we now do all the image manipulations $this->log .= '- image resizing or conversion wanted<br />'; if ($this->gdversion()) { switch($this->image_src_type) { case 'jpg': if (!$this->function_enabled('imagecreatefromjpeg')) { $this->processed = false; $this->error = $this->translate('no_create_support', array('JPEG')); } else { $image_src = @imagecreatefromjpeg($this->file_src_pathname); if (!$image_src) { $this->processed = false; $this->error = $this->translate('create_error', array('JPEG')); } else { $this->log .= '- source image is JPEG<br />'; } } break; case 'png': if (!$this->function_enabled('imagecreatefrompng')) { $this->processed = false; $this->error = $this->translate('no_create_support', array('PNG')); } else { $image_src = @imagecreatefrompng($this->file_src_pathname); if (!$image_src) { $this->processed = false; $this->error = $this->translate('create_error', array('PNG')); } else { $this->log .= '- source image is PNG<br />'; } } break; case 'webp': if (!$this->function_enabled('imagecreatefromwebp')) { $this->processed = false; $this->error = $this->translate('no_create_support', array('WEBP')); } else { $image_src = @imagecreatefromwebp($this->file_src_pathname); if (!$image_src) { $this->processed = false; $this->error = $this->translate('create_error', array('WEBP')); } else { $this->log .= '- source image is WEBP<br />'; } } break; case 'gif': if (!$this->function_enabled('imagecreatefromgif')) { $this->processed = false; $this->error = $this->translate('no_create_support', array('GIF')); } else { $image_src = @imagecreatefromgif($this->file_src_pathname); if (!$image_src) { $this->processed = false; $this->error = $this->translate('create_error', array('GIF')); } else { $this->log .= '- source image is GIF<br />'; } } break; case 'bmp': if (!method_exists($this, 'imagecreatefrombmp')) { $this->processed = false; $this->error = $this->translate('no_create_support', array('BMP')); } else { $image_src = @$this->imagecreatefrombmp($this->file_src_pathname); if (!$image_src) { $this->processed = false; $this->error = $this->translate('create_error', array('BMP')); } else { $this->log .= '- source image is BMP<br />'; } } break; default: $this->processed = false; $this->error = $this->translate('source_invalid'); } } else { $this->processed = false; $this->error = $this->translate('gd_missing'); } if ($this->processed && $image_src) { // we have to set image_convert if it is not already if (empty($this->image_convert)) { $this->log .= '- setting destination file type to ' . $this->image_src_type . '<br />'; $this->image_convert = $this->image_src_type; } if (!in_array($this->image_convert, $this->image_supported)) { $this->image_convert = 'jpg'; } // we set the default color to be the background color if we don't output in a transparent format if ($this->image_convert != 'png' && $this->image_convert != 'webp' && $this->image_convert != 'gif' && !empty($this->image_default_color) && empty($this->image_background_color)) $this->image_background_color = $this->image_default_color; if (!empty($this->image_background_color)) $this->image_default_color = $this->image_background_color; if (empty($this->image_default_color)) $this->image_default_color = '#FFFFFF'; $this->image_src_x = imagesx($image_src); $this->image_src_y = imagesy($image_src); $gd_version = $this->gdversion(); $ratio_crop = null; if (!imageistruecolor($image_src)) { // $this->image_src_type == 'gif' $this->log .= '- image is detected as having a palette<br />'; $this->image_is_palette = true; $this->image_transparent_color = imagecolortransparent($image_src); if ($this->image_transparent_color >= 0 && imagecolorstotal($image_src) > $this->image_transparent_color) { $this->image_is_transparent = true; $this->log .= ' palette image is detected as transparent<br />'; } // if the image has a palette (GIF), we convert it to true color, preserving transparency $this->log .= ' convert palette image to true color<br />'; $true_color = imagecreatetruecolor($this->image_src_x, $this->image_src_y); imagealphablending($true_color, false); imagesavealpha($true_color, true); for ($x = 0; $x < $this->image_src_x; $x++) { for ($y = 0; $y < $this->image_src_y; $y++) { if ($this->image_transparent_color >= 0 && imagecolorat($image_src, $x, $y) == $this->image_transparent_color) { imagesetpixel($true_color, $x, $y, 127 << 24); } else { $rgb = imagecolorsforindex($image_src, imagecolorat($image_src, $x, $y)); imagesetpixel($true_color, $x, $y, ($rgb['alpha'] << 24) | ($rgb['red'] << 16) | ($rgb['green'] << 8) | $rgb['blue']); } } } $image_src = $this->imagetransfer($true_color, $image_src); imagealphablending($image_src, false); imagesavealpha($image_src, true); $this->image_is_palette = false; } $image_dst = & $image_src; // auto-flip image, according to EXIF data (JPEG only) if ($gd_version >= 2 && !empty($auto_flip)) { $this->log .= '- auto-flip image : ' . ($auto_flip == 'v' ? 'vertical' : 'horizontal') . '<br />'; $tmp = $this->imagecreatenew($this->image_src_x, $this->image_src_y); for ($x = 0; $x < $this->image_src_x; $x++) { for ($y = 0; $y < $this->image_src_y; $y++){ if (strpos($auto_flip, 'v') !== false) { imagecopy($tmp, $image_dst, $this->image_src_x - $x - 1, $y, $x, $y, 1, 1); } else { imagecopy($tmp, $image_dst, $x, $this->image_src_y - $y - 1, $x, $y, 1, 1); } } } // we transfert tmp into image_dst $image_dst = $this->imagetransfer($tmp, $image_dst); } // auto-rotate image, according to EXIF data (JPEG only) if ($gd_version >= 2 && is_numeric($auto_rotate)) { if (!in_array($auto_rotate, array(0, 90, 180, 270))) $auto_rotate = 0; if ($auto_rotate != 0) { if ($auto_rotate == 90 || $auto_rotate == 270) { $tmp = $this->imagecreatenew($this->image_src_y, $this->image_src_x); } else { $tmp = $this->imagecreatenew($this->image_src_x, $this->image_src_y); } $this->log .= '- auto-rotate image : ' . $auto_rotate . '<br />'; for ($x = 0; $x < $this->image_src_x; $x++) { for ($y = 0; $y < $this->image_src_y; $y++){ if ($auto_rotate == 90) { imagecopy($tmp, $image_dst, $y, $x, $x, $this->image_src_y - $y - 1, 1, 1); } else if ($auto_rotate == 180) { imagecopy($tmp, $image_dst, $x, $y, $this->image_src_x - $x - 1, $this->image_src_y - $y - 1, 1, 1); } else if ($auto_rotate == 270) { imagecopy($tmp, $image_dst, $y, $x, $this->image_src_x - $x - 1, $y, 1, 1); } else { imagecopy($tmp, $image_dst, $x, $y, $x, $y, 1, 1); } } } if ($auto_rotate == 90 || $auto_rotate == 270) { $t = $this->image_src_y; $this->image_src_y = $this->image_src_x; $this->image_src_x = $t; } // we transfert tmp into image_dst $image_dst = $this->imagetransfer($tmp, $image_dst); } } // pre-crop image, before resizing if ((!empty($this->image_precrop))) { list($ct, $cr, $cb, $cl) = $this->getoffsets($this->image_precrop, $this->image_src_x, $this->image_src_y, true, true); $this->log .= '- pre-crop image : ' . $ct . ' ' . $cr . ' ' . $cb . ' ' . $cl . ' <br />'; $this->image_src_x = $this->image_src_x - $cl - $cr; $this->image_src_y = $this->image_src_y - $ct - $cb; if ($this->image_src_x < 1) $this->image_src_x = 1; if ($this->image_src_y < 1) $this->image_src_y = 1; $tmp = $this->imagecreatenew($this->image_src_x, $this->image_src_y); // we copy the image into the recieving image imagecopy($tmp, $image_dst, 0, 0, $cl, $ct, $this->image_src_x, $this->image_src_y); // if we crop with negative margins, we have to make sure the extra bits are the right color, or transparent if ($ct < 0 || $cr < 0 || $cb < 0 || $cl < 0 ) { // use the background color if present if (!empty($this->image_background_color)) { list($red, $green, $blue) = $this->getcolors($this->image_background_color); $fill = imagecolorallocate($tmp, $red, $green, $blue); } else { $fill = imagecolorallocatealpha($tmp, 0, 0, 0, 127); } // fills eventual negative margins if ($ct < 0) imagefilledrectangle($tmp, 0, 0, $this->image_src_x, -$ct, $fill); if ($cr < 0) imagefilledrectangle($tmp, $this->image_src_x + $cr, 0, $this->image_src_x, $this->image_src_y, $fill); if ($cb < 0) imagefilledrectangle($tmp, 0, $this->image_src_y + $cb, $this->image_src_x, $this->image_src_y, $fill); if ($cl < 0) imagefilledrectangle($tmp, 0, 0, -$cl, $this->image_src_y, $fill); } // we transfert tmp into image_dst $image_dst = $this->imagetransfer($tmp, $image_dst); } // resize image (and move image_src_x, image_src_y dimensions into image_dst_x, image_dst_y) if ($this->image_resize) { $this->log .= '- resizing...<br />'; $this->image_dst_x = $this->image_x; $this->image_dst_y = $this->image_y; // backward compatibility for soon to be deprecated settings if ($this->image_ratio_no_zoom_in) { $this->image_ratio = true; $this->image_no_enlarging = true; } else if ($this->image_ratio_no_zoom_out) { $this->image_ratio = true; $this->image_no_shrinking = true; } // keeps aspect ratio with x calculated from y if ($this->image_ratio_x) { $this->log .= ' calculate x size<br />'; $this->image_dst_x = round(($this->image_src_x * $this->image_y) / $this->image_src_y); $this->image_dst_y = $this->image_y; // keeps aspect ratio with y calculated from x } else if ($this->image_ratio_y) { $this->log .= ' calculate y size<br />'; $this->image_dst_x = $this->image_x; $this->image_dst_y = round(($this->image_src_y * $this->image_x) / $this->image_src_x); // keeps aspect ratio, calculating x and y so that the image is approx the set number of pixels } else if (is_numeric($this->image_ratio_pixels)) { $this->log .= ' calculate x/y size to match a number of pixels<br />'; $pixels = $this->image_src_y * $this->image_src_x; $diff = sqrt($this->image_ratio_pixels / $pixels); $this->image_dst_x = round($this->image_src_x * $diff); $this->image_dst_y = round($this->image_src_y * $diff); // keeps aspect ratio with x and y dimensions, filling the space } else if ($this->image_ratio_crop) { if (!is_string($this->image_ratio_crop)) $this->image_ratio_crop = ''; $this->image_ratio_crop = strtolower($this->image_ratio_crop); if (($this->image_src_x/$this->image_x) > ($this->image_src_y/$this->image_y)) { $this->image_dst_y = $this->image_y; $this->image_dst_x = intval($this->image_src_x*($this->image_y / $this->image_src_y)); $ratio_crop = array(); $ratio_crop['x'] = $this->image_dst_x - $this->image_x; if (strpos($this->image_ratio_crop, 'l') !== false) { $ratio_crop['l'] = 0; $ratio_crop['r'] = $ratio_crop['x']; } else if (strpos($this->image_ratio_crop, 'r') !== false) { $ratio_crop['l'] = $ratio_crop['x']; $ratio_crop['r'] = 0; } else { $ratio_crop['l'] = round($ratio_crop['x']/2); $ratio_crop['r'] = $ratio_crop['x'] - $ratio_crop['l']; } $this->log .= ' ratio_crop_x : ' . $ratio_crop['x'] . ' (' . $ratio_crop['l'] . ';' . $ratio_crop['r'] . ')<br />'; if (is_null($this->image_crop)) $this->image_crop = array(0, 0, 0, 0); } else { $this->image_dst_x = $this->image_x; $this->image_dst_y = intval($this->image_src_y*($this->image_x / $this->image_src_x)); $ratio_crop = array(); $ratio_crop['y'] = $this->image_dst_y - $this->image_y; if (strpos($this->image_ratio_crop, 't') !== false) { $ratio_crop['t'] = 0; $ratio_crop['b'] = $ratio_crop['y']; } else if (strpos($this->image_ratio_crop, 'b') !== false) { $ratio_crop['t'] = $ratio_crop['y']; $ratio_crop['b'] = 0; } else { $ratio_crop['t'] = round($ratio_crop['y']/2); $ratio_crop['b'] = $ratio_crop['y'] - $ratio_crop['t']; } $this->log .= ' ratio_crop_y : ' . $ratio_crop['y'] . ' (' . $ratio_crop['t'] . ';' . $ratio_crop['b'] . ')<br />'; if (is_null($this->image_crop)) $this->image_crop = array(0, 0, 0, 0); } // keeps aspect ratio with x and y dimensions, fitting the image in the space, and coloring the rest } else if ($this->image_ratio_fill) { if (!is_string($this->image_ratio_fill)) $this->image_ratio_fill = ''; $this->image_ratio_fill = strtolower($this->image_ratio_fill); if (($this->image_src_x/$this->image_x) < ($this->image_src_y/$this->image_y)) { $this->image_dst_y = $this->image_y; $this->image_dst_x = intval($this->image_src_x*($this->image_y / $this->image_src_y)); $ratio_crop = array(); $ratio_crop['x'] = $this->image_dst_x - $this->image_x; if (strpos($this->image_ratio_fill, 'l') !== false) { $ratio_crop['l'] = 0; $ratio_crop['r'] = $ratio_crop['x']; } else if (strpos($this->image_ratio_fill, 'r') !== false) { $ratio_crop['l'] = $ratio_crop['x']; $ratio_crop['r'] = 0; } else { $ratio_crop['l'] = round($ratio_crop['x']/2); $ratio_crop['r'] = $ratio_crop['x'] - $ratio_crop['l']; } $this->log .= ' ratio_fill_x : ' . $ratio_crop['x'] . ' (' . $ratio_crop['l'] . ';' . $ratio_crop['r'] . ')<br />'; if (is_null($this->image_crop)) $this->image_crop = array(0, 0, 0, 0); } else { $this->image_dst_x = $this->image_x; $this->image_dst_y = intval($this->image_src_y*($this->image_x / $this->image_src_x)); $ratio_crop = array(); $ratio_crop['y'] = $this->image_dst_y - $this->image_y; if (strpos($this->image_ratio_fill, 't') !== false) { $ratio_crop['t'] = 0; $ratio_crop['b'] = $ratio_crop['y']; } else if (strpos($this->image_ratio_fill, 'b') !== false) { $ratio_crop['t'] = $ratio_crop['y']; $ratio_crop['b'] = 0; } else { $ratio_crop['t'] = round($ratio_crop['y']/2); $ratio_crop['b'] = $ratio_crop['y'] - $ratio_crop['t']; } $this->log .= ' ratio_fill_y : ' . $ratio_crop['y'] . ' (' . $ratio_crop['t'] . ';' . $ratio_crop['b'] . ')<br />'; if (is_null($this->image_crop)) $this->image_crop = array(0, 0, 0, 0); } // keeps aspect ratio with x and y dimensions } else if ($this->image_ratio) { if (($this->image_src_x/$this->image_x) > ($this->image_src_y/$this->image_y)) { $this->image_dst_x = $this->image_x; $this->image_dst_y = intval($this->image_src_y*($this->image_x / $this->image_src_x)); } else { $this->image_dst_y = $this->image_y; $this->image_dst_x = intval($this->image_src_x*($this->image_y / $this->image_src_y)); } // resize to provided exact dimensions } else { $this->log .= ' use plain sizes<br />'; $this->image_dst_x = $this->image_x; $this->image_dst_y = $this->image_y; } if ($this->image_dst_x < 1) $this->image_dst_x = 1; if ($this->image_dst_y < 1) $this->image_dst_y = 1; $this->log .= ' image_src_x y : ' . $this->image_src_x . ' x ' . $this->image_src_y . '<br />'; $this->log .= ' image_dst_x y : ' . $this->image_dst_x . ' x ' . $this->image_dst_y . '<br />'; // make sure we don't enlarge the image if we don't want to if ($this->image_no_enlarging && ($this->image_src_x < $this->image_dst_x || $this->image_src_y < $this->image_dst_y)) { $this->log .= ' cancel resizing, as it would enlarge the image!<br />'; $this->image_dst_x = $this->image_src_x; $this->image_dst_y = $this->image_src_y; $ratio_crop = null; } // make sure we don't shrink the image if we don't want to if ($this->image_no_shrinking && ($this->image_src_x > $this->image_dst_x || $this->image_src_y > $this->image_dst_y)) { $this->log .= ' cancel resizing, as it would shrink the image!<br />'; $this->image_dst_x = $this->image_src_x; $this->image_dst_y = $this->image_src_y; $ratio_crop = null; } // resize the image if ($this->image_dst_x != $this->image_src_x || $this->image_dst_y != $this->image_src_y) { $tmp = $this->imagecreatenew($this->image_dst_x, $this->image_dst_y); if ($gd_version >= 2) { $res = imagecopyresampled($tmp, $image_src, 0, 0, 0, 0, $this->image_dst_x, $this->image_dst_y, $this->image_src_x, $this->image_src_y); } else { $res = imagecopyresized($tmp, $image_src, 0, 0, 0, 0, $this->image_dst_x, $this->image_dst_y, $this->image_src_x, $this->image_src_y); } $this->log .= ' resized image object created<br />'; // we transfert tmp into image_dst $image_dst = $this->imagetransfer($tmp, $image_dst); } } else { $this->image_dst_x = $this->image_src_x; $this->image_dst_y = $this->image_src_y; } // crop image (and also crops if image_ratio_crop is used) if ((!empty($this->image_crop) || !is_null($ratio_crop))) { list($ct, $cr, $cb, $cl) = $this->getoffsets($this->image_crop, $this->image_dst_x, $this->image_dst_y, true, true); // we adjust the cropping if we use image_ratio_crop if (!is_null($ratio_crop)) { if (array_key_exists('t', $ratio_crop)) $ct += $ratio_crop['t']; if (array_key_exists('r', $ratio_crop)) $cr += $ratio_crop['r']; if (array_key_exists('b', $ratio_crop)) $cb += $ratio_crop['b']; if (array_key_exists('l', $ratio_crop)) $cl += $ratio_crop['l']; } if ($ct != 0 || $cr != 0 || $cb != 0 || $cl != 0) { $this->log .= '- crop image : ' . $ct . ' ' . $cr . ' ' . $cb . ' ' . $cl . ' <br />'; $this->image_dst_x = $this->image_dst_x - $cl - $cr; $this->image_dst_y = $this->image_dst_y - $ct - $cb; if ($this->image_dst_x < 1) $this->image_dst_x = 1; if ($this->image_dst_y < 1) $this->image_dst_y = 1; $tmp = $this->imagecreatenew($this->image_dst_x, $this->image_dst_y); // we copy the image into the recieving image imagecopy($tmp, $image_dst, 0, 0, $cl, $ct, $this->image_dst_x, $this->image_dst_y); // if we crop with negative margins, we have to make sure the extra bits are the right color, or transparent if ($ct < 0 || $cr < 0 || $cb < 0 || $cl < 0 ) { // use the background color if present if (!empty($this->image_background_color)) { list($red, $green, $blue) = $this->getcolors($this->image_background_color); $fill = imagecolorallocate($tmp, $red, $green, $blue); } else { $fill = imagecolorallocatealpha($tmp, 0, 0, 0, 127); } // fills eventual negative margins if ($ct < 0) imagefilledrectangle($tmp, 0, 0, $this->image_dst_x, -$ct-1, $fill); if ($cr < 0) imagefilledrectangle($tmp, $this->image_dst_x + $cr, 0, $this->image_dst_x, $this->image_dst_y, $fill); if ($cb < 0) imagefilledrectangle($tmp, 0, $this->image_dst_y + $cb, $this->image_dst_x, $this->image_dst_y, $fill); if ($cl < 0) imagefilledrectangle($tmp, 0, 0, -$cl-1, $this->image_dst_y, $fill); } // we transfert tmp into image_dst $image_dst = $this->imagetransfer($tmp, $image_dst); } } // flip image if ($gd_version >= 2 && !empty($this->image_flip)) { $this->image_flip = strtolower($this->image_flip); $this->log .= '- flip image : ' . $this->image_flip . '<br />'; $tmp = $this->imagecreatenew($this->image_dst_x, $this->image_dst_y); for ($x = 0; $x < $this->image_dst_x; $x++) { for ($y = 0; $y < $this->image_dst_y; $y++){ if (strpos($this->image_flip, 'v') !== false) { imagecopy($tmp, $image_dst, $this->image_dst_x - $x - 1, $y, $x, $y, 1, 1); } else { imagecopy($tmp, $image_dst, $x, $this->image_dst_y - $y - 1, $x, $y, 1, 1); } } } // we transfert tmp into image_dst $image_dst = $this->imagetransfer($tmp, $image_dst); } // rotate image if ($gd_version >= 2 && is_numeric($this->image_rotate)) { if (!in_array($this->image_rotate, array(0, 90, 180, 270))) $this->image_rotate = 0; if ($this->image_rotate != 0) { if ($this->image_rotate == 90 || $this->image_rotate == 270) { $tmp = $this->imagecreatenew($this->image_dst_y, $this->image_dst_x); } else { $tmp = $this->imagecreatenew($this->image_dst_x, $this->image_dst_y); } $this->log .= '- rotate image : ' . $this->image_rotate . '<br />'; for ($x = 0; $x < $this->image_dst_x; $x++) { for ($y = 0; $y < $this->image_dst_y; $y++){ if ($this->image_rotate == 90) { imagecopy($tmp, $image_dst, $y, $x, $x, $this->image_dst_y - $y - 1, 1, 1); } else if ($this->image_rotate == 180) { imagecopy($tmp, $image_dst, $x, $y, $this->image_dst_x - $x - 1, $this->image_dst_y - $y - 1, 1, 1); } else if ($this->image_rotate == 270) { imagecopy($tmp, $image_dst, $y, $x, $this->image_dst_x - $x - 1, $y, 1, 1); } else { imagecopy($tmp, $image_dst, $x, $y, $x, $y, 1, 1); } } } if ($this->image_rotate == 90 || $this->image_rotate == 270) { $t = $this->image_dst_y; $this->image_dst_y = $this->image_dst_x; $this->image_dst_x = $t; } // we transfert tmp into image_dst $image_dst = $this->imagetransfer($tmp, $image_dst); } } // pixelate image if ((is_numeric($this->image_pixelate) && $this->image_pixelate > 0)) { $this->log .= '- pixelate image (' . $this->image_pixelate . 'px)<br />'; $filter = $this->imagecreatenew($this->image_dst_x, $this->image_dst_y); if ($gd_version >= 2) { imagecopyresampled($filter, $image_dst, 0, 0, 0, 0, round($this->image_dst_x / $this->image_pixelate), round($this->image_dst_y / $this->image_pixelate), $this->image_dst_x, $this->image_dst_y); imagecopyresampled($image_dst, $filter, 0, 0, 0, 0, $this->image_dst_x, $this->image_dst_y, round($this->image_dst_x / $this->image_pixelate), round($this->image_dst_y / $this->image_pixelate)); } else { imagecopyresized($filter, $image_dst, 0, 0, 0, 0, round($this->image_dst_x / $this->image_pixelate), round($this->image_dst_y / $this->image_pixelate), $this->image_dst_x, $this->image_dst_y); imagecopyresized($image_dst, $filter, 0, 0, 0, 0, $this->image_dst_x, $this->image_dst_y, round($this->image_dst_x / $this->image_pixelate), round($this->image_dst_y / $this->image_pixelate)); } imagedestroy($filter); } // unsharp mask if ($gd_version >= 2 && $this->image_unsharp && is_numeric($this->image_unsharp_amount) && is_numeric($this->image_unsharp_radius) && is_numeric($this->image_unsharp_threshold)) { // Unsharp Mask for PHP - version 2.1.1 // Unsharp mask algorithm by Torstein Hønsi 2003-07. // Used with permission // Modified to support alpha transparency if ($this->image_unsharp_amount > 500) $this->image_unsharp_amount = 500; $this->image_unsharp_amount = $this->image_unsharp_amount * 0.016; if ($this->image_unsharp_radius > 50) $this->image_unsharp_radius = 50; $this->image_unsharp_radius = $this->image_unsharp_radius * 2; if ($this->image_unsharp_threshold > 255) $this->image_unsharp_threshold = 255; $this->image_unsharp_radius = abs(round($this->image_unsharp_radius)); if ($this->image_unsharp_radius != 0) { $this->image_dst_x = imagesx($image_dst); $this->image_dst_y = imagesy($image_dst); $canvas = $this->imagecreatenew($this->image_dst_x, $this->image_dst_y, false, true); $blur = $this->imagecreatenew($this->image_dst_x, $this->image_dst_y, false, true); if ($this->function_enabled('imageconvolution')) { // PHP >= 5.1 $matrix = array(array( 1, 2, 1 ), array( 2, 4, 2 ), array( 1, 2, 1 )); imagecopy($blur, $image_dst, 0, 0, 0, 0, $this->image_dst_x, $this->image_dst_y); imageconvolution($blur, $matrix, 16, 0); } else { for ($i = 0; $i < $this->image_unsharp_radius; $i++) { imagecopy($blur, $image_dst, 0, 0, 1, 0, $this->image_dst_x - 1, $this->image_dst_y); // left $this->imagecopymergealpha($blur, $image_dst, 1, 0, 0, 0, $this->image_dst_x, $this->image_dst_y, 50); // right $this->imagecopymergealpha($blur, $image_dst, 0, 0, 0, 0, $this->image_dst_x, $this->image_dst_y, 50); // center imagecopy($canvas, $blur, 0, 0, 0, 0, $this->image_dst_x, $this->image_dst_y); $this->imagecopymergealpha($blur, $canvas, 0, 0, 0, 1, $this->image_dst_x, $this->image_dst_y - 1, 33.33333 ); // up $this->imagecopymergealpha($blur, $canvas, 0, 1, 0, 0, $this->image_dst_x, $this->image_dst_y, 25); // down } } $p_new = array(); if($this->image_unsharp_threshold>0) { for ($x = 0; $x < $this->image_dst_x-1; $x++) { for ($y = 0; $y < $this->image_dst_y; $y++) { $p_orig = imagecolorsforindex($image_dst, imagecolorat($image_dst, $x, $y)); $p_blur = imagecolorsforindex($blur, imagecolorat($blur, $x, $y)); $p_new['red'] = (abs($p_orig['red'] - $p_blur['red']) >= $this->image_unsharp_threshold) ? max(0, min(255, ($this->image_unsharp_amount * ($p_orig['red'] - $p_blur['red'])) + $p_orig['red'])) : $p_orig['red']; $p_new['green'] = (abs($p_orig['green'] - $p_blur['green']) >= $this->image_unsharp_threshold) ? max(0, min(255, ($this->image_unsharp_amount * ($p_orig['green'] - $p_blur['green'])) + $p_orig['green'])) : $p_orig['green']; $p_new['blue'] = (abs($p_orig['blue'] - $p_blur['blue']) >= $this->image_unsharp_threshold) ? max(0, min(255, ($this->image_unsharp_amount * ($p_orig['blue'] - $p_blur['blue'])) + $p_orig['blue'])) : $p_orig['blue']; if (($p_orig['red'] != $p_new['red']) || ($p_orig['green'] != $p_new['green']) || ($p_orig['blue'] != $p_new['blue'])) { $color = imagecolorallocatealpha($image_dst, $p_new['red'], $p_new['green'], $p_new['blue'], $p_orig['alpha']); imagesetpixel($image_dst, $x, $y, $color); } } } } else { for ($x = 0; $x < $this->image_dst_x; $x++) { for ($y = 0; $y < $this->image_dst_y; $y++) { $p_orig = imagecolorsforindex($image_dst, imagecolorat($image_dst, $x, $y)); $p_blur = imagecolorsforindex($blur, imagecolorat($blur, $x, $y)); $p_new['red'] = ($this->image_unsharp_amount * ($p_orig['red'] - $p_blur['red'])) + $p_orig['red']; if ($p_new['red']>255) { $p_new['red']=255; } elseif ($p_new['red']<0) { $p_new['red']=0; } $p_new['green'] = ($this->image_unsharp_amount * ($p_orig['green'] - $p_blur['green'])) + $p_orig['green']; if ($p_new['green']>255) { $p_new['green']=255; } elseif ($p_new['green']<0) { $p_new['green']=0; } $p_new['blue'] = ($this->image_unsharp_amount * ($p_orig['blue'] - $p_blur['blue'])) + $p_orig['blue']; if ($p_new['blue']>255) { $p_new['blue']=255; } elseif ($p_new['blue']<0) { $p_new['blue']=0; } $color = imagecolorallocatealpha($image_dst, $p_new['red'], $p_new['green'], $p_new['blue'], $p_orig['alpha']); imagesetpixel($image_dst, $x, $y, $color); } } } imagedestroy($canvas); imagedestroy($blur); } } // add color overlay if ($gd_version >= 2 && (is_numeric($this->image_overlay_opacity) && $this->image_overlay_opacity > 0 && !empty($this->image_overlay_color))) { $this->log .= '- apply color overlay<br />'; list($red, $green, $blue) = $this->getcolors($this->image_overlay_color); $filter = imagecreatetruecolor($this->image_dst_x, $this->image_dst_y); $color = imagecolorallocate($filter, $red, $green, $blue); imagefilledrectangle($filter, 0, 0, $this->image_dst_x, $this->image_dst_y, $color); $this->imagecopymergealpha($image_dst, $filter, 0, 0, 0, 0, $this->image_dst_x, $this->image_dst_y, $this->image_overlay_opacity); imagedestroy($filter); } // add brightness, contrast and tint, turns to greyscale and inverts colors if ($gd_version >= 2 && ($this->image_negative || $this->image_greyscale || is_numeric($this->image_threshold)|| is_numeric($this->image_brightness) || is_numeric($this->image_contrast) || !empty($this->image_tint_color))) { $this->log .= '- apply tint, light, contrast correction, negative, greyscale and threshold<br />'; if (!empty($this->image_tint_color)) list($tint_red, $tint_green, $tint_blue) = $this->getcolors($this->image_tint_color); //imagealphablending($image_dst, true); for($y=0; $y < $this->image_dst_y; $y++) { for($x=0; $x < $this->image_dst_x; $x++) { if ($this->image_greyscale) { $pixel = imagecolorsforindex($image_dst, imagecolorat($image_dst, $x, $y)); $r = $g = $b = round((0.2125 * $pixel['red']) + (0.7154 * $pixel['green']) + (0.0721 * $pixel['blue'])); $color = imagecolorallocatealpha($image_dst, $r, $g, $b, $pixel['alpha']); imagesetpixel($image_dst, $x, $y, $color); unset($color); unset($pixel); } if (is_numeric($this->image_threshold)) { $pixel = imagecolorsforindex($image_dst, imagecolorat($image_dst, $x, $y)); $c = (round($pixel['red'] + $pixel['green'] + $pixel['blue']) / 3) - 127; $r = $g = $b = ($c > $this->image_threshold ? 255 : 0); $color = imagecolorallocatealpha($image_dst, $r, $g, $b, $pixel['alpha']); imagesetpixel($image_dst, $x, $y, $color); unset($color); unset($pixel); } if (is_numeric($this->image_brightness)) { $pixel = imagecolorsforindex($image_dst, imagecolorat($image_dst, $x, $y)); $r = max(min(round($pixel['red'] + (($this->image_brightness * 2))), 255), 0); $g = max(min(round($pixel['green'] + (($this->image_brightness * 2))), 255), 0); $b = max(min(round($pixel['blue'] + (($this->image_brightness * 2))), 255), 0); $color = imagecolorallocatealpha($image_dst, $r, $g, $b, $pixel['alpha']); imagesetpixel($image_dst, $x, $y, $color); unset($color); unset($pixel); } if (is_numeric($this->image_contrast)) { $pixel = imagecolorsforindex($image_dst, imagecolorat($image_dst, $x, $y)); $r = max(min(round(($this->image_contrast + 128) * $pixel['red'] / 128), 255), 0); $g = max(min(round(($this->image_contrast + 128) * $pixel['green'] / 128), 255), 0); $b = max(min(round(($this->image_contrast + 128) * $pixel['blue'] / 128), 255), 0); $color = imagecolorallocatealpha($image_dst, $r, $g, $b, $pixel['alpha']); imagesetpixel($image_dst, $x, $y, $color); unset($color); unset($pixel); } if (!empty($this->image_tint_color)) { $pixel = imagecolorsforindex($image_dst, imagecolorat($image_dst, $x, $y)); $r = min(round($tint_red * $pixel['red'] / 169), 255); $g = min(round($tint_green * $pixel['green'] / 169), 255); $b = min(round($tint_blue * $pixel['blue'] / 169), 255); $color = imagecolorallocatealpha($image_dst, $r, $g, $b, $pixel['alpha']); imagesetpixel($image_dst, $x, $y, $color); unset($color); unset($pixel); } if (!empty($this->image_negative)) { $pixel = imagecolorsforindex($image_dst, imagecolorat($image_dst, $x, $y)); $r = round(255 - $pixel['red']); $g = round(255 - $pixel['green']); $b = round(255 - $pixel['blue']); $color = imagecolorallocatealpha($image_dst, $r, $g, $b, $pixel['alpha']); imagesetpixel($image_dst, $x, $y, $color); unset($color); unset($pixel); } } } } // adds a border if ($gd_version >= 2 && !empty($this->image_border)) { list($ct, $cr, $cb, $cl) = $this->getoffsets($this->image_border, $this->image_dst_x, $this->image_dst_y, true, false); $this->log .= '- add border : ' . $ct . ' ' . $cr . ' ' . $cb . ' ' . $cl . '<br />'; $this->image_dst_x = $this->image_dst_x + $cl + $cr; $this->image_dst_y = $this->image_dst_y + $ct + $cb; if (!empty($this->image_border_color)) list($red, $green, $blue) = $this->getcolors($this->image_border_color); $opacity = (is_numeric($this->image_border_opacity) ? (int) (127 - $this->image_border_opacity / 100 * 127): 0); // we now create an image, that we fill with the border color $tmp = $this->imagecreatenew($this->image_dst_x, $this->image_dst_y); $background = imagecolorallocatealpha($tmp, $red, $green, $blue, $opacity); imagefilledrectangle($tmp, 0, 0, $this->image_dst_x, $this->image_dst_y, $background); // we then copy the source image into the new image, without merging so that only the border is actually kept imagecopy($tmp, $image_dst, $cl, $ct, 0, 0, $this->image_dst_x - $cr - $cl, $this->image_dst_y - $cb - $ct); // we transfert tmp into image_dst $image_dst = $this->imagetransfer($tmp, $image_dst); } // adds a fading-to-transparent border if ($gd_version >= 2 && !empty($this->image_border_transparent)) { list($ct, $cr, $cb, $cl) = $this->getoffsets($this->image_border_transparent, $this->image_dst_x, $this->image_dst_y, true, false); $this->log .= '- add transparent border : ' . $ct . ' ' . $cr . ' ' . $cb . ' ' . $cl . '<br />'; // we now create an image, that we fill with the border color $tmp = $this->imagecreatenew($this->image_dst_x, $this->image_dst_y); // we then copy the source image into the new image, without the borders imagecopy($tmp, $image_dst, $cl, $ct, $cl, $ct, $this->image_dst_x - $cr - $cl, $this->image_dst_y - $cb - $ct); // we now add the top border $opacity = 100; for ($y = $ct - 1; $y >= 0; $y--) { $il = (int) ($ct > 0 ? ($cl * ($y / $ct)) : 0); $ir = (int) ($ct > 0 ? ($cr * ($y / $ct)) : 0); for ($x = $il; $x < $this->image_dst_x - $ir; $x++) { $pixel = imagecolorsforindex($image_dst, imagecolorat($image_dst, $x, $y)); $alpha = (1 - ($pixel['alpha'] / 127)) * $opacity / 100; if ($alpha > 0) { if ($alpha > 1) $alpha = 1; $color = imagecolorallocatealpha($tmp, $pixel['red'] , $pixel['green'], $pixel['blue'], round((1 - $alpha) * 127)); imagesetpixel($tmp, $x, $y, $color); } } if ($opacity > 0) $opacity = $opacity - (100 / $ct); } // we now add the right border $opacity = 100; for ($x = $this->image_dst_x - $cr; $x < $this->image_dst_x; $x++) { $it = (int) ($cr > 0 ? ($ct * (($this->image_dst_x - $x - 1) / $cr)) : 0); $ib = (int) ($cr > 0 ? ($cb * (($this->image_dst_x - $x - 1) / $cr)) : 0); for ($y = $it; $y < $this->image_dst_y - $ib; $y++) { $pixel = imagecolorsforindex($image_dst, imagecolorat($image_dst, $x, $y)); $alpha = (1 - ($pixel['alpha'] / 127)) * $opacity / 100; if ($alpha > 0) { if ($alpha > 1) $alpha = 1; $color = imagecolorallocatealpha($tmp, $pixel['red'] , $pixel['green'], $pixel['blue'], round((1 - $alpha) * 127)); imagesetpixel($tmp, $x, $y, $color); } } if ($opacity > 0) $opacity = $opacity - (100 / $cr); } // we now add the bottom border $opacity = 100; for ($y = $this->image_dst_y - $cb; $y < $this->image_dst_y; $y++) { $il = (int) ($cb > 0 ? ($cl * (($this->image_dst_y - $y - 1) / $cb)) : 0); $ir = (int) ($cb > 0 ? ($cr * (($this->image_dst_y - $y - 1) / $cb)) : 0); for ($x = $il; $x < $this->image_dst_x - $ir; $x++) { $pixel = imagecolorsforindex($image_dst, imagecolorat($image_dst, $x, $y)); $alpha = (1 - ($pixel['alpha'] / 127)) * $opacity / 100; if ($alpha > 0) { if ($alpha > 1) $alpha = 1; $color = imagecolorallocatealpha($tmp, $pixel['red'] , $pixel['green'], $pixel['blue'], round((1 - $alpha) * 127)); imagesetpixel($tmp, $x, $y, $color); } } if ($opacity > 0) $opacity = $opacity - (100 / $cb); } // we now add the left border $opacity = 100; for ($x = $cl - 1; $x >= 0; $x--) { $it = (int) ($cl > 0 ? ($ct * ($x / $cl)) : 0); $ib = (int) ($cl > 0 ? ($cb * ($x / $cl)) : 0); for ($y = $it; $y < $this->image_dst_y - $ib; $y++) { $pixel = imagecolorsforindex($image_dst, imagecolorat($image_dst, $x, $y)); $alpha = (1 - ($pixel['alpha'] / 127)) * $opacity / 100; if ($alpha > 0) { if ($alpha > 1) $alpha = 1; $color = imagecolorallocatealpha($tmp, $pixel['red'] , $pixel['green'], $pixel['blue'], round((1 - $alpha) * 127)); imagesetpixel($tmp, $x, $y, $color); } } if ($opacity > 0) $opacity = $opacity - (100 / $cl); } // we transfert tmp into image_dst $image_dst = $this->imagetransfer($tmp, $image_dst); } // add frame border if ($gd_version >= 2 && is_numeric($this->image_frame)) { if (is_array($this->image_frame_colors)) { $vars = $this->image_frame_colors; $this->log .= '- add frame : ' . implode(' ', $this->image_frame_colors) . '<br />'; } else { $this->log .= '- add frame : ' . $this->image_frame_colors . '<br />'; $vars = explode(' ', $this->image_frame_colors); } $nb = sizeof($vars); $this->image_dst_x = $this->image_dst_x + ($nb * 2); $this->image_dst_y = $this->image_dst_y + ($nb * 2); $tmp = $this->imagecreatenew($this->image_dst_x, $this->image_dst_y); imagecopy($tmp, $image_dst, $nb, $nb, 0, 0, $this->image_dst_x - ($nb * 2), $this->image_dst_y - ($nb * 2)); $opacity = (is_numeric($this->image_frame_opacity) ? (int) (127 - $this->image_frame_opacity / 100 * 127): 0); for ($i=0; $i<$nb; $i++) { list($red, $green, $blue) = $this->getcolors($vars[$i]); $c = imagecolorallocatealpha($tmp, $red, $green, $blue, $opacity); if ($this->image_frame == 1) { imageline($tmp, $i, $i, $this->image_dst_x - $i -1, $i, $c); imageline($tmp, $this->image_dst_x - $i -1, $this->image_dst_y - $i -1, $this->image_dst_x - $i -1, $i, $c); imageline($tmp, $this->image_dst_x - $i -1, $this->image_dst_y - $i -1, $i, $this->image_dst_y - $i -1, $c); imageline($tmp, $i, $i, $i, $this->image_dst_y - $i -1, $c); } else { imageline($tmp, $i, $i, $this->image_dst_x - $i -1, $i, $c); imageline($tmp, $this->image_dst_x - $nb + $i, $this->image_dst_y - $nb + $i, $this->image_dst_x - $nb + $i, $nb - $i, $c); imageline($tmp, $this->image_dst_x - $nb + $i, $this->image_dst_y - $nb + $i, $nb - $i, $this->image_dst_y - $nb + $i, $c); imageline($tmp, $i, $i, $i, $this->image_dst_y - $i -1, $c); } } // we transfert tmp into image_dst $image_dst = $this->imagetransfer($tmp, $image_dst); } // add bevel border if ($gd_version >= 2 && $this->image_bevel > 0) { if (empty($this->image_bevel_color1)) $this->image_bevel_color1 = '#FFFFFF'; if (empty($this->image_bevel_color2)) $this->image_bevel_color2 = '#000000'; list($red1, $green1, $blue1) = $this->getcolors($this->image_bevel_color1); list($red2, $green2, $blue2) = $this->getcolors($this->image_bevel_color2); $tmp = $this->imagecreatenew($this->image_dst_x, $this->image_dst_y); imagecopy($tmp, $image_dst, 0, 0, 0, 0, $this->image_dst_x, $this->image_dst_y); imagealphablending($tmp, true); for ($i=0; $i<$this->image_bevel; $i++) { $alpha = round(($i / $this->image_bevel) * 127); $c1 = imagecolorallocatealpha($tmp, $red1, $green1, $blue1, $alpha); $c2 = imagecolorallocatealpha($tmp, $red2, $green2, $blue2, $alpha); imageline($tmp, $i, $i, $this->image_dst_x - $i -1, $i, $c1); imageline($tmp, $this->image_dst_x - $i -1, $this->image_dst_y - $i, $this->image_dst_x - $i -1, $i, $c2); imageline($tmp, $this->image_dst_x - $i -1, $this->image_dst_y - $i -1, $i, $this->image_dst_y - $i -1, $c2); imageline($tmp, $i, $i, $i, $this->image_dst_y - $i -1, $c1); } // we transfert tmp into image_dst $image_dst = $this->imagetransfer($tmp, $image_dst); } // add watermark image if ($this->image_watermark!='' && file_exists($this->image_watermark)) { $this->log .= '- add watermark<br />'; $this->image_watermark_position = strtolower($this->image_watermark_position); $watermark_info = getimagesize($this->image_watermark); $watermark_type = (array_key_exists(2, $watermark_info) ? $watermark_info[2] : null); // 1 = GIF, 2 = JPG, 3 = PNG $watermark_checked = false; if ($watermark_type == IMAGETYPE_GIF) { if (!$this->function_enabled('imagecreatefromgif')) { $this->error = $this->translate('watermark_no_create_support', array('GIF')); } else { $filter = @imagecreatefromgif($this->image_watermark); if (!$filter) { $this->error = $this->translate('watermark_create_error', array('GIF')); } else { $this->log .= ' watermark source image is GIF<br />'; $watermark_checked = true; } } } else if ($watermark_type == IMAGETYPE_JPEG) { if (!$this->function_enabled('imagecreatefromjpeg')) { $this->error = $this->translate('watermark_no_create_support', array('JPEG')); } else { $filter = @imagecreatefromjpeg($this->image_watermark); if (!$filter) { $this->error = $this->translate('watermark_create_error', array('JPEG')); } else { $this->log .= ' watermark source image is JPEG<br />'; $watermark_checked = true; } } } else if ($watermark_type == IMAGETYPE_PNG) { if (!$this->function_enabled('imagecreatefrompng')) { $this->error = $this->translate('watermark_no_create_support', array('PNG')); } else { $filter = @imagecreatefrompng($this->image_watermark); if (!$filter) { $this->error = $this->translate('watermark_create_error', array('PNG')); } else { $this->log .= ' watermark source image is PNG<br />'; $watermark_checked = true; } } } else if ($watermark_type == IMAGETYPE_WEBP) { if (!$this->function_enabled('imagecreatefromwebp')) { $this->error = $this->translate('watermark_no_create_support', array('WEBP')); } else { $filter = @imagecreatefromwebp($this->image_watermark); if (!$filter) { $this->error = $this->translate('watermark_create_error', array('WEBP')); } else { $this->log .= ' watermark source image is WEBP<br />'; $watermark_checked = true; } } } else if ($watermark_type == IMAGETYPE_BMP) { if (!method_exists($this, 'imagecreatefrombmp')) { $this->error = $this->translate('watermark_no_create_support', array('BMP')); } else { $filter = @$this->imagecreatefrombmp($this->image_watermark); if (!$filter) { $this->error = $this->translate('watermark_create_error', array('BMP')); } else { $this->log .= ' watermark source image is BMP<br />'; $watermark_checked = true; } } } else { $this->error = $this->translate('watermark_invalid'); } if ($watermark_checked) { $watermark_dst_width = $watermark_src_width = imagesx($filter); $watermark_dst_height = $watermark_src_height = imagesy($filter); // if watermark is too large/tall, resize it first if ((!$this->image_watermark_no_zoom_out && ($watermark_dst_width > $this->image_dst_x || $watermark_dst_height > $this->image_dst_y)) || (!$this->image_watermark_no_zoom_in && $watermark_dst_width < $this->image_dst_x && $watermark_dst_height < $this->image_dst_y)) { $canvas_width = $this->image_dst_x - abs($this->image_watermark_x); $canvas_height = $this->image_dst_y - abs($this->image_watermark_y); if (($watermark_src_width/$canvas_width) > ($watermark_src_height/$canvas_height)) { $watermark_dst_width = $canvas_width; $watermark_dst_height = intval($watermark_src_height*($canvas_width / $watermark_src_width)); } else { $watermark_dst_height = $canvas_height; $watermark_dst_width = intval($watermark_src_width*($canvas_height / $watermark_src_height)); } $this->log .= ' watermark resized from '.$watermark_src_width.'x'.$watermark_src_height.' to '.$watermark_dst_width.'x'.$watermark_dst_height.'<br />'; } // determine watermark position $watermark_x = 0; $watermark_y = 0; if (is_numeric($this->image_watermark_x)) { if ($this->image_watermark_x < 0) { $watermark_x = $this->image_dst_x - $watermark_dst_width + $this->image_watermark_x; } else { $watermark_x = $this->image_watermark_x; } } else { if (strpos($this->image_watermark_position, 'r') !== false) { $watermark_x = $this->image_dst_x - $watermark_dst_width; } else if (strpos($this->image_watermark_position, 'l') !== false) { $watermark_x = 0; } else { $watermark_x = ($this->image_dst_x - $watermark_dst_width) / 2; } } if (is_numeric($this->image_watermark_y)) { if ($this->image_watermark_y < 0) { $watermark_y = $this->image_dst_y - $watermark_dst_height + $this->image_watermark_y; } else { $watermark_y = $this->image_watermark_y; } } else { if (strpos($this->image_watermark_position, 'b') !== false) { $watermark_y = $this->image_dst_y - $watermark_dst_height; } else if (strpos($this->image_watermark_position, 't') !== false) { $watermark_y = 0; } else { $watermark_y = ($this->image_dst_y - $watermark_dst_height) / 2; } } imagealphablending($image_dst, true); imagecopyresampled($image_dst, $filter, $watermark_x, $watermark_y, 0, 0, $watermark_dst_width, $watermark_dst_height, $watermark_src_width, $watermark_src_height); } else { $this->error = $this->translate('watermark_invalid'); } } // add text if (!empty($this->image_text)) { $this->log .= '- add text<br />'; // calculate sizes in human readable format $src_size = $this->file_src_size / 1024; $src_size_mb = number_format($src_size / 1024, 1, ".", " "); $src_size_kb = number_format($src_size, 1, ".", " "); $src_size_human = ($src_size > 1024 ? $src_size_mb . " MB" : $src_size_kb . " kb"); $this->image_text = str_replace( array('[src_name]', '[src_name_body]', '[src_name_ext]', '[src_pathname]', '[src_mime]', '[src_size]', '[src_size_kb]', '[src_size_mb]', '[src_size_human]', '[src_x]', '[src_y]', '[src_pixels]', '[src_type]', '[src_bits]', '[dst_path]', '[dst_name_body]', '[dst_name_ext]', '[dst_name]', '[dst_pathname]', '[dst_x]', '[dst_y]', '[date]', '[time]', '[host]', '[server]', '[ip]', '[gd_version]'), array($this->file_src_name, $this->file_src_name_body, $this->file_src_name_ext, $this->file_src_pathname, $this->file_src_mime, $this->file_src_size, $src_size_kb, $src_size_mb, $src_size_human, $this->image_src_x, $this->image_src_y, $this->image_src_pixels, $this->image_src_type, $this->image_src_bits, $this->file_dst_path, $this->file_dst_name_body, $this->file_dst_name_ext, $this->file_dst_name, $this->file_dst_pathname, $this->image_dst_x, $this->image_dst_y, date('Y-m-d'), date('H:i:s'), (isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : 'n/a'), (isset($_SERVER['SERVER_NAME']) ? $_SERVER['SERVER_NAME'] : 'n/a'), (isset($_SERVER['REMOTE_ADDR']) ? $_SERVER['REMOTE_ADDR'] : 'n/a'), $this->gdversion(true)), $this->image_text); if (!is_numeric($this->image_text_padding)) $this->image_text_padding = 0; if (!is_numeric($this->image_text_line_spacing)) $this->image_text_line_spacing = 0; if (!is_numeric($this->image_text_padding_x)) $this->image_text_padding_x = $this->image_text_padding; if (!is_numeric($this->image_text_padding_y)) $this->image_text_padding_y = $this->image_text_padding; $this->image_text_position = strtolower($this->image_text_position); $this->image_text_direction = strtolower($this->image_text_direction); $this->image_text_alignment = strtolower($this->image_text_alignment); $font_type = 'gd'; // if the font is a string with a GDF font path, we assume that we might want to load a font if (!is_numeric($this->image_text_font) && strlen($this->image_text_font) > 4 && substr(strtolower($this->image_text_font), -4) == '.gdf') { if (strpos($this->image_text_font, '/') === false) $this->image_text_font = "./" . $this->image_text_font; $this->log .= ' try to load font ' . $this->image_text_font . '... '; if ($this->image_text_font = @imageloadfont($this->image_text_font)) { $this->log .= 'success<br />'; } else { $this->log .= 'error<br />'; $this->image_text_font = 5; } } // if the font is a string with a TTF font path, we check if we can access the font file if (!is_numeric($this->image_text_font) && strlen($this->image_text_font) > 4 && substr(strtolower($this->image_text_font), -4) == '.ttf') { $this->log .= ' try to load font ' . $this->image_text_font . '... '; if (strpos($this->image_text_font, '/') === false) $this->image_text_font = "./" . $this->image_text_font; if (file_exists($this->image_text_font) && is_readable($this->image_text_font)) { $this->log .= 'success<br />'; $font_type = 'tt'; } else { $this->log .= 'error<br />'; $this->image_text_font = 5; } } // get the text bounding box (GD fonts) if ($font_type == 'gd') { $text = explode("\n", $this->image_text); $char_width = imagefontwidth($this->image_text_font); $char_height = imagefontheight($this->image_text_font); $text_height = 0; $text_width = 0; $line_height = 0; $line_width = 0; foreach ($text as $k => $v) { if ($this->image_text_direction == 'v') { $h = ($char_width * strlen($v)); if ($h > $text_height) $text_height = $h; $line_width = $char_height; $text_width += $line_width + ($k < (sizeof($text)-1) ? $this->image_text_line_spacing : 0); } else { $w = ($char_width * strlen($v)); if ($w > $text_width) $text_width = $w; $line_height = $char_height; $text_height += $line_height + ($k < (sizeof($text)-1) ? $this->image_text_line_spacing : 0); } } $text_width += (2 * $this->image_text_padding_x); $text_height += (2 * $this->image_text_padding_y); // get the text bounding box (TrueType fonts) } else if ($font_type == 'tt') { $text = $this->image_text; if (!$this->image_text_angle) $this->image_text_angle = $this->image_text_direction == 'v' ? 90 : 0; $text_height = 0; $text_width = 0; $text_offset_x = 0; $text_offset_y = 0; $rect = imagettfbbox($this->image_text_size, $this->image_text_angle, $this->image_text_font, $text ); if ($rect) { $minX = min(array($rect[0],$rect[2],$rect[4],$rect[6])); $maxX = max(array($rect[0],$rect[2],$rect[4],$rect[6])); $minY = min(array($rect[1],$rect[3],$rect[5],$rect[7])); $maxY = max(array($rect[1],$rect[3],$rect[5],$rect[7])); $text_offset_x = abs($minX) - 1; $text_offset_y = abs($minY) - 1; $text_width = $maxX - $minX + (2 * $this->image_text_padding_x); $text_height = $maxY - $minY + (2 * $this->image_text_padding_y); } } // position the text block $text_x = 0; $text_y = 0; if (is_numeric($this->image_text_x)) { if ($this->image_text_x < 0) { $text_x = $this->image_dst_x - $text_width + $this->image_text_x; } else { $text_x = $this->image_text_x; } } else { if (strpos($this->image_text_position, 'r') !== false) { $text_x = $this->image_dst_x - $text_width; } else if (strpos($this->image_text_position, 'l') !== false) { $text_x = 0; } else { $text_x = ($this->image_dst_x - $text_width) / 2; } } if (is_numeric($this->image_text_y)) { if ($this->image_text_y < 0) { $text_y = $this->image_dst_y - $text_height + $this->image_text_y; } else { $text_y = $this->image_text_y; } } else { if (strpos($this->image_text_position, 'b') !== false) { $text_y = $this->image_dst_y - $text_height; } else if (strpos($this->image_text_position, 't') !== false) { $text_y = 0; } else { $text_y = ($this->image_dst_y - $text_height) / 2; } } // add a background, maybe transparent if (!empty($this->image_text_background)) { list($red, $green, $blue) = $this->getcolors($this->image_text_background); if ($gd_version >= 2 && (is_numeric($this->image_text_background_opacity)) && $this->image_text_background_opacity >= 0 && $this->image_text_background_opacity <= 100) { $filter = imagecreatetruecolor($text_width, $text_height); $background_color = imagecolorallocate($filter, $red, $green, $blue); imagefilledrectangle($filter, 0, 0, $text_width, $text_height, $background_color); $this->imagecopymergealpha($image_dst, $filter, $text_x, $text_y, 0, 0, $text_width, $text_height, $this->image_text_background_opacity); imagedestroy($filter); } else { $background_color = imagecolorallocate($image_dst ,$red, $green, $blue); imagefilledrectangle($image_dst, $text_x, $text_y, $text_x + $text_width, $text_y + $text_height, $background_color); } } $text_x += $this->image_text_padding_x; $text_y += $this->image_text_padding_y; $t_width = $text_width - (2 * $this->image_text_padding_x); $t_height = $text_height - (2 * $this->image_text_padding_y); list($red, $green, $blue) = $this->getcolors($this->image_text_color); // add the text, maybe transparent if ($gd_version >= 2 && (is_numeric($this->image_text_opacity)) && $this->image_text_opacity >= 0 && $this->image_text_opacity <= 100) { if ($t_width < 0) $t_width = 0; if ($t_height < 0) $t_height = 0; $filter = $this->imagecreatenew($t_width, $t_height, false, true); $text_color = imagecolorallocate($filter ,$red, $green, $blue); if ($font_type == 'gd') { foreach ($text as $k => $v) { if ($this->image_text_direction == 'v') { imagestringup($filter, $this->image_text_font, $k * ($line_width + ($k > 0 && $k < (sizeof($text)) ? $this->image_text_line_spacing : 0)), $text_height - (2 * $this->image_text_padding_y) - ($this->image_text_alignment == 'l' ? 0 : (($t_height - strlen($v) * $char_width) / ($this->image_text_alignment == 'r' ? 1 : 2))) , $v, $text_color); } else { imagestring($filter, $this->image_text_font, ($this->image_text_alignment == 'l' ? 0 : (($t_width - strlen($v) * $char_width) / ($this->image_text_alignment == 'r' ? 1 : 2))), $k * ($line_height + ($k > 0 && $k < (sizeof($text)) ? $this->image_text_line_spacing : 0)), $v, $text_color); } } } else if ($font_type == 'tt') { imagettftext($filter, $this->image_text_size, $this->image_text_angle, $text_offset_x, $text_offset_y, $text_color, $this->image_text_font, $text); } $this->imagecopymergealpha($image_dst, $filter, $text_x, $text_y, 0, 0, $t_width, $t_height, $this->image_text_opacity); imagedestroy($filter); } else { $text_color = imagecolorallocate($image_dst ,$red, $green, $blue); if ($font_type == 'gd') { foreach ($text as $k => $v) { if ($this->image_text_direction == 'v') { imagestringup($image_dst, $this->image_text_font, $text_x + $k * ($line_width + ($k > 0 && $k < (sizeof($text)) ? $this->image_text_line_spacing : 0)), $text_y + $text_height - (2 * $this->image_text_padding_y) - ($this->image_text_alignment == 'l' ? 0 : (($t_height - strlen($v) * $char_width) / ($this->image_text_alignment == 'r' ? 1 : 2))), $v, $text_color); } else { imagestring($image_dst, $this->image_text_font, $text_x + ($this->image_text_alignment == 'l' ? 0 : (($t_width - strlen($v) * $char_width) / ($this->image_text_alignment == 'r' ? 1 : 2))), $text_y + $k * ($line_height + ($k > 0 && $k < (sizeof($text)) ? $this->image_text_line_spacing : 0)), $v, $text_color); } } } else if ($font_type == 'tt') { imagettftext($image_dst, $this->image_text_size, $this->image_text_angle, $text_offset_x + ($this->image_dst_x / 2) - ($text_width / 2) + $this->image_text_padding_x, $text_offset_y + ($this->image_dst_y / 2) - ($text_height / 2) + $this->image_text_padding_y, $text_color, $this->image_text_font, $text); } } } // add a reflection if ($this->image_reflection_height) { $this->log .= '- add reflection : ' . $this->image_reflection_height . '<br />'; // we decode image_reflection_height, which can be a integer, a string in pixels or percentage $image_reflection_height = $this->image_reflection_height; if (strpos($image_reflection_height, '%')>0) $image_reflection_height = $this->image_dst_y * ((int) str_replace('%','',$image_reflection_height) / 100); if (strpos($image_reflection_height, 'px')>0) $image_reflection_height = (int) str_replace('px','',$image_reflection_height); $image_reflection_height = (int) $image_reflection_height; if ($image_reflection_height > $this->image_dst_y) $image_reflection_height = $this->image_dst_y; if (empty($this->image_reflection_opacity)) $this->image_reflection_opacity = 60; // create the new destination image $tmp = $this->imagecreatenew($this->image_dst_x, $this->image_dst_y + $image_reflection_height + $this->image_reflection_space, true); $transparency = $this->image_reflection_opacity; // copy the original image imagecopy($tmp, $image_dst, 0, 0, 0, 0, $this->image_dst_x, $this->image_dst_y + ($this->image_reflection_space < 0 ? $this->image_reflection_space : 0)); // we have to make sure the extra bit is the right color, or transparent if ($image_reflection_height + $this->image_reflection_space > 0) { // use the background color if present if (!empty($this->image_background_color)) { list($red, $green, $blue) = $this->getcolors($this->image_background_color); $fill = imagecolorallocate($tmp, $red, $green, $blue); } else { $fill = imagecolorallocatealpha($tmp, 0, 0, 0, 127); } // fill in from the edge of the extra bit imagefill($tmp, round($this->image_dst_x / 2), $this->image_dst_y + $image_reflection_height + $this->image_reflection_space - 1, $fill); } // copy the reflection for ($y = 0; $y < $image_reflection_height; $y++) { for ($x = 0; $x < $this->image_dst_x; $x++) { $pixel_b = imagecolorsforindex($tmp, imagecolorat($tmp, $x, $y + $this->image_dst_y + $this->image_reflection_space)); $pixel_o = imagecolorsforindex($image_dst, imagecolorat($image_dst, $x, $this->image_dst_y - $y - 1 + ($this->image_reflection_space < 0 ? $this->image_reflection_space : 0))); $alpha_o = 1 - ($pixel_o['alpha'] / 127); $alpha_b = 1 - ($pixel_b['alpha'] / 127); $opacity = $alpha_o * $transparency / 100; if ($opacity > 0) { $red = round((($pixel_o['red'] * $opacity) + ($pixel_b['red'] ) * $alpha_b) / ($alpha_b + $opacity)); $green = round((($pixel_o['green'] * $opacity) + ($pixel_b['green']) * $alpha_b) / ($alpha_b + $opacity)); $blue = round((($pixel_o['blue'] * $opacity) + ($pixel_b['blue'] ) * $alpha_b) / ($alpha_b + $opacity)); $alpha = ($opacity + $alpha_b); if ($alpha > 1) $alpha = 1; $alpha = round((1 - $alpha) * 127); $color = imagecolorallocatealpha($tmp, $red, $green, $blue, $alpha); imagesetpixel($tmp, $x, $y + $this->image_dst_y + $this->image_reflection_space, $color); } } if ($transparency > 0) $transparency = $transparency - ($this->image_reflection_opacity / $image_reflection_height); } // copy the resulting image into the destination image $this->image_dst_y = $this->image_dst_y + $image_reflection_height + $this->image_reflection_space; $image_dst = $this->imagetransfer($tmp, $image_dst); } // change opacity if ($gd_version >= 2 && is_numeric($this->image_opacity) && $this->image_opacity < 100) { $this->log .= '- change opacity<br />'; // create the new destination image $tmp = $this->imagecreatenew($this->image_dst_x, $this->image_dst_y, true); for($y=0; $y < $this->image_dst_y; $y++) { for($x=0; $x < $this->image_dst_x; $x++) { $pixel = imagecolorsforindex($image_dst, imagecolorat($image_dst, $x, $y)); $alpha = $pixel['alpha'] + round((127 - $pixel['alpha']) * (100 - $this->image_opacity) / 100); if ($alpha > 127) $alpha = 127; if ($alpha > 0) { $color = imagecolorallocatealpha($tmp, $pixel['red'] , $pixel['green'], $pixel['blue'], $alpha); imagesetpixel($tmp, $x, $y, $color); } } } // copy the resulting image into the destination image $image_dst = $this->imagetransfer($tmp, $image_dst); } // reduce the JPEG image to a set desired size if (is_numeric($this->jpeg_size) && $this->jpeg_size > 0 && ($this->image_convert == 'jpeg' || $this->image_convert == 'jpg')) { // inspired by: JPEGReducer class version 1, 25 November 2004, Author: Huda M ElMatsani, justhuda at netscape dot net $this->log .= '- JPEG desired file size : ' . $this->jpeg_size . '<br />'; // calculate size of each image. 75%, 50%, and 25% quality ob_start(); imagejpeg($image_dst,null,75); $buffer = ob_get_contents(); ob_end_clean(); $size75 = strlen($buffer); ob_start(); imagejpeg($image_dst,null,50); $buffer = ob_get_contents(); ob_end_clean(); $size50 = strlen($buffer); ob_start(); imagejpeg($image_dst,null,25); $buffer = ob_get_contents(); ob_end_clean(); $size25 = strlen($buffer); // make sure we won't divide by 0 if ($size50 == $size25) $size50++; if ($size75 == $size50 || $size75 == $size25) $size75++; // calculate gradient of size reduction by quality $mgrad1 = 25 / ($size50-$size25); $mgrad2 = 25 / ($size75-$size50); $mgrad3 = 50 / ($size75-$size25); $mgrad = ($mgrad1 + $mgrad2 + $mgrad3) / 3; // result of approx. quality factor for expected size $q_factor = round($mgrad * ($this->jpeg_size - $size50) + 50); if ($q_factor<1) { $this->jpeg_quality=1; } elseif ($q_factor>100) { $this->jpeg_quality=100; } else { $this->jpeg_quality=$q_factor; } $this->log .= ' JPEG quality factor set to ' . $this->jpeg_quality . '<br />'; } // converts image from true color, and fix transparency if needed $this->log .= '- converting...<br />'; $this->image_dst_type = $this->image_convert; switch($this->image_convert) { case 'gif': // if the image is true color, we convert it to a palette if (imageistruecolor($image_dst)) { $this->log .= ' true color to palette<br />'; // creates a black and white mask $mask = array(array()); for ($x = 0; $x < $this->image_dst_x; $x++) { for ($y = 0; $y < $this->image_dst_y; $y++) { $pixel = imagecolorsforindex($image_dst, imagecolorat($image_dst, $x, $y)); $mask[$x][$y] = $pixel['alpha']; } } list($red, $green, $blue) = $this->getcolors($this->image_default_color); // first, we merge the image with the background color, so we know which colors we will have for ($x = 0; $x < $this->image_dst_x; $x++) { for ($y = 0; $y < $this->image_dst_y; $y++) { if ($mask[$x][$y] > 0){ // we have some transparency. we combine the color with the default color $pixel = imagecolorsforindex($image_dst, imagecolorat($image_dst, $x, $y)); $alpha = ($mask[$x][$y] / 127); $pixel['red'] = round(($pixel['red'] * (1 -$alpha) + $red * ($alpha))); $pixel['green'] = round(($pixel['green'] * (1 -$alpha) + $green * ($alpha))); $pixel['blue'] = round(($pixel['blue'] * (1 -$alpha) + $blue * ($alpha))); $color = imagecolorallocate($image_dst, $pixel['red'], $pixel['green'], $pixel['blue']); imagesetpixel($image_dst, $x, $y, $color); } } } // transforms the true color image into palette, with its merged default color if (empty($this->image_background_color)) { imagetruecolortopalette($image_dst, true, 255); $transparency = imagecolorallocate($image_dst, 254, 1, 253); imagecolortransparent($image_dst, $transparency); // make the transparent areas transparent for ($x = 0; $x < $this->image_dst_x; $x++) { for ($y = 0; $y < $this->image_dst_y; $y++) { // we test wether we have enough opacity to justify keeping the color if ($mask[$x][$y] > 120) imagesetpixel($image_dst, $x, $y, $transparency); } } } unset($mask); } break; case 'jpg': case 'bmp': // if the image doesn't support any transparency, then we merge it with the default color $this->log .= ' fills in transparency with default color<br />'; list($red, $green, $blue) = $this->getcolors($this->image_default_color); $transparency = imagecolorallocate($image_dst, $red, $green, $blue); // make the transaparent areas transparent for ($x = 0; $x < $this->image_dst_x; $x++) { for ($y = 0; $y < $this->image_dst_y; $y++) { // we test wether we have some transparency, in which case we will merge the colors if (imageistruecolor($image_dst)) { $rgba = imagecolorat($image_dst, $x, $y); $pixel = array('red' => ($rgba >> 16) & 0xFF, 'green' => ($rgba >> 8) & 0xFF, 'blue' => $rgba & 0xFF, 'alpha' => ($rgba & 0x7F000000) >> 24); } else { $pixel = imagecolorsforindex($image_dst, imagecolorat($image_dst, $x, $y)); } if ($pixel['alpha'] == 127) { // we have full transparency. we make the pixel transparent imagesetpixel($image_dst, $x, $y, $transparency); } else if ($pixel['alpha'] > 0) { // we have some transparency. we combine the color with the default color $alpha = ($pixel['alpha'] / 127); $pixel['red'] = round(($pixel['red'] * (1 -$alpha) + $red * ($alpha))); $pixel['green'] = round(($pixel['green'] * (1 -$alpha) + $green * ($alpha))); $pixel['blue'] = round(($pixel['blue'] * (1 -$alpha) + $blue * ($alpha))); $color = imagecolorclosest($image_dst, $pixel['red'], $pixel['green'], $pixel['blue']); imagesetpixel($image_dst, $x, $y, $color); } } } break; default: break; } // interlace options if($this->image_interlace) imageinterlace($image_dst, true); // outputs image $this->log .= '- saving image...<br />'; switch($this->image_convert) { case 'jpeg': case 'jpg': if (!$return_mode) { $result = @imagejpeg($image_dst, $this->file_dst_pathname, $this->jpeg_quality); } else { ob_start(); $result = @imagejpeg($image_dst, null, $this->jpeg_quality); $return_content = ob_get_contents(); ob_end_clean(); } if (!$result) { $this->processed = false; $this->error = $this->translate('file_create', array('JPEG')); } else { $this->log .= ' JPEG image created<br />'; } break; case 'png': imagealphablending( $image_dst, false ); imagesavealpha( $image_dst, true ); if (!$return_mode) { if (is_numeric($this->png_compression) && version_compare(PHP_VERSION, '5.1.2') >= 0) { $result = @imagepng($image_dst, $this->file_dst_pathname, $this->png_compression); } else { $result = @imagepng($image_dst, $this->file_dst_pathname); } } else { ob_start(); if (is_numeric($this->png_compression) && version_compare(PHP_VERSION, '5.1.2') >= 0) { $result = @imagepng($image_dst, null, $this->png_compression); } else { $result = @imagepng($image_dst); } $return_content = ob_get_contents(); ob_end_clean(); } if (!$result) { $this->processed = false; $this->error = $this->translate('file_create', array('PNG')); } else { $this->log .= ' PNG image created<br />'; } break; case 'webp': imagealphablending( $image_dst, false ); imagesavealpha( $image_dst, true ); if (!$return_mode) { $result = @imagewebp($image_dst, $this->file_dst_pathname, $this->webp_quality); } else { ob_start(); $result = @imagewebp($image_dst, null, $this->webp_quality); $return_content = ob_get_contents(); ob_end_clean(); } if (!$result) { $this->processed = false; $this->error = $this->translate('file_create', array('WEBP')); } else { $this->log .= ' WEBP image created<br />'; } break; case 'gif': if (!$return_mode) { $result = @imagegif($image_dst, $this->file_dst_pathname); } else { ob_start(); $result = @imagegif($image_dst); $return_content = ob_get_contents(); ob_end_clean(); } if (!$result) { $this->processed = false; $this->error = $this->translate('file_create', array('GIF')); } else { $this->log .= ' GIF image created<br />'; } break; case 'bmp': if (!$return_mode) { $result = $this->imagebmp($image_dst, $this->file_dst_pathname); } else { ob_start(); $result = $this->imagebmp($image_dst); $return_content = ob_get_contents(); ob_end_clean(); } if (!$result) { $this->processed = false; $this->error = $this->translate('file_create', array('BMP')); } else { $this->log .= ' BMP image created<br />'; } break; default: $this->processed = false; $this->error = $this->translate('no_conversion_type'); } if ($this->processed) { if (is_resource($image_src)) imagedestroy($image_src); if (is_resource($image_dst)) imagedestroy($image_dst); $this->log .= ' image objects destroyed<br />'; } } } else { $this->log .= '- no image processing wanted<br />'; if (!$return_mode) { // copy the file to its final destination. we don't use move_uploaded_file here // if we happen to have open_basedir restrictions, it is a temp file that we copy, not the original uploaded file if (!copy($this->file_src_pathname, $this->file_dst_pathname)) { $this->processed = false; $this->error = $this->translate('copy_failed'); } } else { // returns the file, so that its content can be received by the caller $return_content = @file_get_contents($this->file_src_pathname); if ($return_content === false) { $this->processed = false; $this->error = $this->translate('reading_failed'); } } } } if ($this->processed) { $this->log .= '- <b>process OK</b><br />'; } else { $this->log .= '- <b>error</b>: ' . $this->error . '<br />'; } // we reinit all the vars $this->init(); // we may return the image content if ($return_mode) return $return_content; } /** * Deletes the uploaded file from its temporary location * * When PHP uploads a file, it stores it in a temporary location. * When you {@link process} the file, you actually copy the resulting file to the given location, it doesn't alter the original file. * Once you have processed the file as many times as you wanted, you can delete the uploaded file. * If there is open_basedir restrictions, the uploaded file is in fact a temporary file * * You might want not to use this function if you work on local files, as it will delete the source file * * @access public */ function clean() { $this->log .= '<b>cleanup</b><br />'; $this->log .= '- delete temp file ' . $this->file_src_pathname . '<br />'; @unlink($this->file_src_pathname); } /** * Opens a BMP image * * This function has been written by DHKold, and is used with permission of the author * * @access public */ function imagecreatefrombmp($filename) { if (! $f1 = fopen($filename,"rb")) return false; $file = unpack("vfile_type/Vfile_size/Vreserved/Vbitmap_offset", fread($f1,14)); if ($file['file_type'] != 19778) return false; $bmp = unpack('Vheader_size/Vwidth/Vheight/vplanes/vbits_per_pixel'. '/Vcompression/Vsize_bitmap/Vhoriz_resolution'. '/Vvert_resolution/Vcolors_used/Vcolors_important', fread($f1,40)); $bmp['colors'] = pow(2,$bmp['bits_per_pixel']); if ($bmp['size_bitmap'] == 0) $bmp['size_bitmap'] = $file['file_size'] - $file['bitmap_offset']; $bmp['bytes_per_pixel'] = $bmp['bits_per_pixel']/8; $bmp['bytes_per_pixel2'] = ceil($bmp['bytes_per_pixel']); $bmp['decal'] = ($bmp['width']*$bmp['bytes_per_pixel']/4); $bmp['decal'] -= floor($bmp['width']*$bmp['bytes_per_pixel']/4); $bmp['decal'] = 4-(4*$bmp['decal']); if ($bmp['decal'] == 4) $bmp['decal'] = 0; $palette = array(); if ($bmp['colors'] < 16777216) { $palette = unpack('V'.$bmp['colors'], fread($f1,$bmp['colors']*4)); } $im = fread($f1,$bmp['size_bitmap']); $vide = chr(0); $res = imagecreatetruecolor($bmp['width'],$bmp['height']); $P = 0; $Y = $bmp['height']-1; while ($Y >= 0) { $X=0; while ($X < $bmp['width']) { if ($bmp['bits_per_pixel'] == 24) $color = unpack("V",substr($im,$P,3).$vide); elseif ($bmp['bits_per_pixel'] == 16) { $color = unpack("n",substr($im,$P,2)); $color[1] = $palette[$color[1]+1]; } elseif ($bmp['bits_per_pixel'] == 8) { $color = unpack("n",$vide.substr($im,$P,1)); $color[1] = $palette[$color[1]+1]; } elseif ($bmp['bits_per_pixel'] == 4) { $color = unpack("n",$vide.substr($im,floor($P),1)); if (($P*2)%2 == 0) $color[1] = ($color[1] >> 4) ; else $color[1] = ($color[1] & 0x0F); $color[1] = $palette[$color[1]+1]; } elseif ($bmp['bits_per_pixel'] == 1) { $color = unpack("n",$vide.substr($im,floor($P),1)); if (($P*8)%8 == 0) $color[1] = $color[1] >>7; elseif (($P*8)%8 == 1) $color[1] = ($color[1] & 0x40)>>6; elseif (($P*8)%8 == 2) $color[1] = ($color[1] & 0x20)>>5; elseif (($P*8)%8 == 3) $color[1] = ($color[1] & 0x10)>>4; elseif (($P*8)%8 == 4) $color[1] = ($color[1] & 0x8)>>3; elseif (($P*8)%8 == 5) $color[1] = ($color[1] & 0x4)>>2; elseif (($P*8)%8 == 6) $color[1] = ($color[1] & 0x2)>>1; elseif (($P*8)%8 == 7) $color[1] = ($color[1] & 0x1); $color[1] = $palette[$color[1]+1]; } else return false; imagesetpixel($res,$X,$Y,$color[1]); $X++; $P += $bmp['bytes_per_pixel']; } $Y--; $P+=$bmp['decal']; } fclose($f1); return $res; } /** * Saves a BMP image * * This function has been published on the PHP website, and can be used freely * * @access public */ function imagebmp(&$im, $filename = "") { if (!$im) return false; $w = imagesx($im); $h = imagesy($im); $result = ''; // if the image is not true color, we convert it first if (!imageistruecolor($im)) { $tmp = imagecreatetruecolor($w, $h); imagecopy($tmp, $im, 0, 0, 0, 0, $w, $h); imagedestroy($im); $im = & $tmp; } $biBPLine = $w * 3; $biStride = ($biBPLine + 3) & ~3; $biSizeImage = $biStride * $h; $bfOffBits = 54; $bfSize = $bfOffBits + $biSizeImage; $result .= substr('BM', 0, 2); $result .= pack ('VvvV', $bfSize, 0, 0, $bfOffBits); $result .= pack ('VVVvvVVVVVV', 40, $w, $h, 1, 24, 0, $biSizeImage, 0, 0, 0, 0); $numpad = $biStride - $biBPLine; for ($y = $h - 1; $y >= 0; --$y) { for ($x = 0; $x < $w; ++$x) { $col = imagecolorat ($im, $x, $y); $result .= substr(pack ('V', $col), 0, 3); } for ($i = 0; $i < $numpad; ++$i) $result .= pack ('C', 0); } if($filename==""){ echo $result; } else { $file = fopen($filename, "wb"); fwrite($file, $result); fclose($file); } return true; } } ?>
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