/* +----------------------------------------------------------------------+ | PHP Version 7 | +----------------------------------------------------------------------+ | Copyright (c) 1997-2017 The PHP Group | +----------------------------------------------------------------------+ | This source file is subject to version 3.01 of the PHP license, | | that is bundled with this package in the file LICENSE, and is | | available through the world-wide-web at the following url: | | http://www.php.net/license/3_01.txt | | If you did not receive a copy of the PHP license and are unable to | | obtain it through the world-wide-web, please send a note to | | license@php.net so we can mail you a copy immediately. | +----------------------------------------------------------------------+ | Authors: Rasmus Lerdorf | | Stig Bakken | | Jim Winstead | +----------------------------------------------------------------------+ */ /* $Id$ */ /* gd 1.2 is copyright 1994, 1995, Quest Protein Database Center, Cold Spring Harbor Labs. */ /* Note that there is no code from the gd package in this file */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "php.h" #include "php_ini.h" #include "ext/standard/head.h" #include #include "SAPI.h" #include "php_gd.h" #include "ext/standard/info.h" #include "php_open_temporary_file.h" #if HAVE_SYS_WAIT_H # include #endif #if HAVE_UNISTD_H # include #endif #ifdef PHP_WIN32 # include # include # include # include # include #endif #ifdef HAVE_GD_XPM # include #endif # include "gd_compat.h" static int le_gd, le_gd_font; #include #ifndef HAVE_GD_BUNDLED # include #endif #include /* 1 Tiny font */ #include /* 2 Small font */ #include /* 3 Medium bold font */ #include /* 4 Large font */ #include /* 5 Giant font */ #ifdef ENABLE_GD_TTF # ifdef HAVE_LIBFREETYPE # include # include FT_FREETYPE_H # endif #endif #if defined(HAVE_GD_XPM) && defined(HAVE_GD_BUNDLED) # include "X11/xpm.h" #endif #ifndef M_PI #define M_PI 3.14159265358979323846 #endif #ifdef ENABLE_GD_TTF static void php_imagettftext_common(INTERNAL_FUNCTION_PARAMETERS, int, int); #endif #include "gd_ctx.c" /* as it is not really public, duplicate declaration here to avoid pointless warnings */ int overflow2(int a, int b); /* Section Filters Declarations */ /* IMPORTANT NOTE FOR NEW FILTER * Do not forget to update: * IMAGE_FILTER_MAX: define the last filter index * IMAGE_FILTER_MAX_ARGS: define the biggest amount of arguments * image_filter array in PHP_FUNCTION(imagefilter) * */ #define IMAGE_FILTER_NEGATE 0 #define IMAGE_FILTER_GRAYSCALE 1 #define IMAGE_FILTER_BRIGHTNESS 2 #define IMAGE_FILTER_CONTRAST 3 #define IMAGE_FILTER_COLORIZE 4 #define IMAGE_FILTER_EDGEDETECT 5 #define IMAGE_FILTER_EMBOSS 6 #define IMAGE_FILTER_GAUSSIAN_BLUR 7 #define IMAGE_FILTER_SELECTIVE_BLUR 8 #define IMAGE_FILTER_MEAN_REMOVAL 9 #define IMAGE_FILTER_SMOOTH 10 #define IMAGE_FILTER_PIXELATE 11 #define IMAGE_FILTER_MAX 11 #define IMAGE_FILTER_MAX_ARGS 6 static void php_image_filter_negate(INTERNAL_FUNCTION_PARAMETERS); static void php_image_filter_grayscale(INTERNAL_FUNCTION_PARAMETERS); static void php_image_filter_brightness(INTERNAL_FUNCTION_PARAMETERS); static void php_image_filter_contrast(INTERNAL_FUNCTION_PARAMETERS); static void php_image_filter_colorize(INTERNAL_FUNCTION_PARAMETERS); static void php_image_filter_edgedetect(INTERNAL_FUNCTION_PARAMETERS); static void php_image_filter_emboss(INTERNAL_FUNCTION_PARAMETERS); static void php_image_filter_gaussian_blur(INTERNAL_FUNCTION_PARAMETERS); static void php_image_filter_selective_blur(INTERNAL_FUNCTION_PARAMETERS); static void php_image_filter_mean_removal(INTERNAL_FUNCTION_PARAMETERS); static void php_image_filter_smooth(INTERNAL_FUNCTION_PARAMETERS); static void php_image_filter_pixelate(INTERNAL_FUNCTION_PARAMETERS); /* End Section filters declarations */ static gdImagePtr _php_image_create_from_string (zval *Data, char *tn, gdImagePtr (*ioctx_func_p)()); static void _php_image_create_from(INTERNAL_FUNCTION_PARAMETERS, int image_type, char *tn, gdImagePtr (*func_p)(), gdImagePtr (*ioctx_func_p)()); static void _php_image_output(INTERNAL_FUNCTION_PARAMETERS, int image_type, char *tn, void (*func_p)()); static int _php_image_type(char data[8]); static void _php_image_convert(INTERNAL_FUNCTION_PARAMETERS, int image_type); static void _php_image_bw_convert(gdImagePtr im_org, gdIOCtx *out, int threshold); /* {{{ arginfo */ ZEND_BEGIN_ARG_INFO(arginfo_gd_info, 0) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imageloadfont, 0) ZEND_ARG_INFO(0, filename) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagesetstyle, 0) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, styles) /* ARRAY_INFO(0, styles, 0) */ ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagecreatetruecolor, 0) ZEND_ARG_INFO(0, x_size) ZEND_ARG_INFO(0, y_size) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imageistruecolor, 0) ZEND_ARG_INFO(0, im) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagetruecolortopalette, 0) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, ditherFlag) ZEND_ARG_INFO(0, colorsWanted) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagepalettetotruecolor, 0) ZEND_ARG_INFO(0, im) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagecolormatch, 0) ZEND_ARG_INFO(0, im1) ZEND_ARG_INFO(0, im2) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagesetthickness, 0) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, thickness) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagefilledellipse, 0) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, cx) ZEND_ARG_INFO(0, cy) ZEND_ARG_INFO(0, w) ZEND_ARG_INFO(0, h) ZEND_ARG_INFO(0, color) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagefilledarc, 0) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, cx) ZEND_ARG_INFO(0, cy) ZEND_ARG_INFO(0, w) ZEND_ARG_INFO(0, h) ZEND_ARG_INFO(0, s) ZEND_ARG_INFO(0, e) ZEND_ARG_INFO(0, col) ZEND_ARG_INFO(0, style) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagealphablending, 0) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, blend) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagesavealpha, 0) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, save) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagelayereffect, 0) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, effect) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagecolorallocatealpha, 0) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, red) ZEND_ARG_INFO(0, green) ZEND_ARG_INFO(0, blue) ZEND_ARG_INFO(0, alpha) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagecolorresolvealpha, 0) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, red) ZEND_ARG_INFO(0, green) ZEND_ARG_INFO(0, blue) ZEND_ARG_INFO(0, alpha) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagecolorclosestalpha, 0) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, red) ZEND_ARG_INFO(0, green) ZEND_ARG_INFO(0, blue) ZEND_ARG_INFO(0, alpha) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagecolorexactalpha, 0) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, red) ZEND_ARG_INFO(0, green) ZEND_ARG_INFO(0, blue) ZEND_ARG_INFO(0, alpha) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagecopyresampled, 0) ZEND_ARG_INFO(0, dst_im) ZEND_ARG_INFO(0, src_im) ZEND_ARG_INFO(0, dst_x) ZEND_ARG_INFO(0, dst_y) ZEND_ARG_INFO(0, src_x) ZEND_ARG_INFO(0, src_y) ZEND_ARG_INFO(0, dst_w) ZEND_ARG_INFO(0, dst_h) ZEND_ARG_INFO(0, src_w) ZEND_ARG_INFO(0, src_h) ZEND_END_ARG_INFO() #ifdef PHP_WIN32 ZEND_BEGIN_ARG_INFO_EX(arginfo_imagegrabwindow, 0, 0, 1) ZEND_ARG_INFO(0, handle) ZEND_ARG_INFO(0, client_area) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagegrabscreen, 0) ZEND_END_ARG_INFO() #endif ZEND_BEGIN_ARG_INFO_EX(arginfo_imagerotate, 0, 0, 3) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, angle) ZEND_ARG_INFO(0, bgdcolor) ZEND_ARG_INFO(0, ignoretransparent) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagesettile, 0) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, tile) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagesetbrush, 0) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, brush) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagecreate, 0) ZEND_ARG_INFO(0, x_size) ZEND_ARG_INFO(0, y_size) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagetypes, 0) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagecreatefromstring, 0) ZEND_ARG_INFO(0, image) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagecreatefromgif, 0) ZEND_ARG_INFO(0, filename) ZEND_END_ARG_INFO() #ifdef HAVE_GD_JPG ZEND_BEGIN_ARG_INFO(arginfo_imagecreatefromjpeg, 0) ZEND_ARG_INFO(0, filename) ZEND_END_ARG_INFO() #endif #ifdef HAVE_GD_PNG ZEND_BEGIN_ARG_INFO(arginfo_imagecreatefrompng, 0) ZEND_ARG_INFO(0, filename) ZEND_END_ARG_INFO() #endif #ifdef HAVE_GD_WEBP ZEND_BEGIN_ARG_INFO(arginfo_imagecreatefromwebp, 0) ZEND_ARG_INFO(0, filename) ZEND_END_ARG_INFO() #endif ZEND_BEGIN_ARG_INFO(arginfo_imagecreatefromxbm, 0) ZEND_ARG_INFO(0, filename) ZEND_END_ARG_INFO() #if defined(HAVE_GD_XPM) ZEND_BEGIN_ARG_INFO(arginfo_imagecreatefromxpm, 0) ZEND_ARG_INFO(0, filename) ZEND_END_ARG_INFO() #endif ZEND_BEGIN_ARG_INFO(arginfo_imagecreatefromwbmp, 0) ZEND_ARG_INFO(0, filename) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagecreatefromgd, 0) ZEND_ARG_INFO(0, filename) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagecreatefromgd2, 0) ZEND_ARG_INFO(0, filename) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagecreatefromgd2part, 0) ZEND_ARG_INFO(0, filename) ZEND_ARG_INFO(0, srcX) ZEND_ARG_INFO(0, srcY) ZEND_ARG_INFO(0, width) ZEND_ARG_INFO(0, height) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_imagexbm, 0, 0, 2) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, filename) ZEND_ARG_INFO(0, foreground) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_imagegif, 0, 0, 1) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, filename) ZEND_END_ARG_INFO() #ifdef HAVE_GD_PNG ZEND_BEGIN_ARG_INFO_EX(arginfo_imagepng, 0, 0, 1) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, filename) ZEND_ARG_INFO(0, quality) ZEND_ARG_INFO(0, filters) ZEND_END_ARG_INFO() #endif #ifdef HAVE_GD_WEBP ZEND_BEGIN_ARG_INFO_EX(arginfo_imagewebp, 0, 0, 1) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, filename) ZEND_END_ARG_INFO() #endif #ifdef HAVE_GD_JPG ZEND_BEGIN_ARG_INFO_EX(arginfo_imagejpeg, 0, 0, 1) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, filename) ZEND_ARG_INFO(0, quality) ZEND_END_ARG_INFO() #endif ZEND_BEGIN_ARG_INFO_EX(arginfo_imagewbmp, 0, 0, 1) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, filename) ZEND_ARG_INFO(0, foreground) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_imagegd, 0, 0, 1) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, filename) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_imagegd2, 0, 0, 1) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, filename) ZEND_ARG_INFO(0, chunk_size) ZEND_ARG_INFO(0, type) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagedestroy, 0) ZEND_ARG_INFO(0, im) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagecolorallocate, 0) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, red) ZEND_ARG_INFO(0, green) ZEND_ARG_INFO(0, blue) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagepalettecopy, 0) ZEND_ARG_INFO(0, dst) ZEND_ARG_INFO(0, src) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagecolorat, 0) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, x) ZEND_ARG_INFO(0, y) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagecolorclosest, 0) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, red) ZEND_ARG_INFO(0, green) ZEND_ARG_INFO(0, blue) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagecolorclosesthwb, 0) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, red) ZEND_ARG_INFO(0, green) ZEND_ARG_INFO(0, blue) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagecolordeallocate, 0) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, index) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagecolorresolve, 0) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, red) ZEND_ARG_INFO(0, green) ZEND_ARG_INFO(0, blue) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagecolorexact, 0) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, red) ZEND_ARG_INFO(0, green) ZEND_ARG_INFO(0, blue) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_imagecolorset, 0, 0, 5) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, color) ZEND_ARG_INFO(0, red) ZEND_ARG_INFO(0, green) ZEND_ARG_INFO(0, blue) ZEND_ARG_INFO(0, alpha) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagecolorsforindex, 0) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, index) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagegammacorrect, 0) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, inputgamma) ZEND_ARG_INFO(0, outputgamma) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagesetpixel, 0) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, x) ZEND_ARG_INFO(0, y) ZEND_ARG_INFO(0, col) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imageline, 0) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, x1) ZEND_ARG_INFO(0, y1) ZEND_ARG_INFO(0, x2) ZEND_ARG_INFO(0, y2) ZEND_ARG_INFO(0, col) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagedashedline, 0) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, x1) ZEND_ARG_INFO(0, y1) ZEND_ARG_INFO(0, x2) ZEND_ARG_INFO(0, y2) ZEND_ARG_INFO(0, col) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagerectangle, 0) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, x1) ZEND_ARG_INFO(0, y1) ZEND_ARG_INFO(0, x2) ZEND_ARG_INFO(0, y2) ZEND_ARG_INFO(0, col) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagefilledrectangle, 0) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, x1) ZEND_ARG_INFO(0, y1) ZEND_ARG_INFO(0, x2) ZEND_ARG_INFO(0, y2) ZEND_ARG_INFO(0, col) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagearc, 0) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, cx) ZEND_ARG_INFO(0, cy) ZEND_ARG_INFO(0, w) ZEND_ARG_INFO(0, h) ZEND_ARG_INFO(0, s) ZEND_ARG_INFO(0, e) ZEND_ARG_INFO(0, col) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imageellipse, 0) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, cx) ZEND_ARG_INFO(0, cy) ZEND_ARG_INFO(0, w) ZEND_ARG_INFO(0, h) ZEND_ARG_INFO(0, color) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagefilltoborder, 0) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, x) ZEND_ARG_INFO(0, y) ZEND_ARG_INFO(0, border) ZEND_ARG_INFO(0, col) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagefill, 0) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, x) ZEND_ARG_INFO(0, y) ZEND_ARG_INFO(0, col) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagecolorstotal, 0) ZEND_ARG_INFO(0, im) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_imagecolortransparent, 0, 0, 1) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, col) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_imageinterlace, 0, 0, 1) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, interlace) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagepolygon, 0) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, points) /* ARRAY_INFO(0, points, 0) */ ZEND_ARG_INFO(0, num_pos) ZEND_ARG_INFO(0, col) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagefilledpolygon, 0) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, points) /* ARRAY_INFO(0, points, 0) */ ZEND_ARG_INFO(0, num_pos) ZEND_ARG_INFO(0, col) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagefontwidth, 0) ZEND_ARG_INFO(0, font) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagefontheight, 0) ZEND_ARG_INFO(0, font) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagechar, 0) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, font) ZEND_ARG_INFO(0, x) ZEND_ARG_INFO(0, y) ZEND_ARG_INFO(0, c) ZEND_ARG_INFO(0, col) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagecharup, 0) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, font) ZEND_ARG_INFO(0, x) ZEND_ARG_INFO(0, y) ZEND_ARG_INFO(0, c) ZEND_ARG_INFO(0, col) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagestring, 0) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, font) ZEND_ARG_INFO(0, x) ZEND_ARG_INFO(0, y) ZEND_ARG_INFO(0, str) ZEND_ARG_INFO(0, col) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagestringup, 0) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, font) ZEND_ARG_INFO(0, x) ZEND_ARG_INFO(0, y) ZEND_ARG_INFO(0, str) ZEND_ARG_INFO(0, col) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagecopy, 0) ZEND_ARG_INFO(0, dst_im) ZEND_ARG_INFO(0, src_im) ZEND_ARG_INFO(0, dst_x) ZEND_ARG_INFO(0, dst_y) ZEND_ARG_INFO(0, src_x) ZEND_ARG_INFO(0, src_y) ZEND_ARG_INFO(0, src_w) ZEND_ARG_INFO(0, src_h) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagecopymerge, 0) ZEND_ARG_INFO(0, src_im) ZEND_ARG_INFO(0, dst_im) ZEND_ARG_INFO(0, dst_x) ZEND_ARG_INFO(0, dst_y) ZEND_ARG_INFO(0, src_x) ZEND_ARG_INFO(0, src_y) ZEND_ARG_INFO(0, src_w) ZEND_ARG_INFO(0, src_h) ZEND_ARG_INFO(0, pct) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagecopymergegray, 0) ZEND_ARG_INFO(0, src_im) ZEND_ARG_INFO(0, dst_im) ZEND_ARG_INFO(0, dst_x) ZEND_ARG_INFO(0, dst_y) ZEND_ARG_INFO(0, src_x) ZEND_ARG_INFO(0, src_y) ZEND_ARG_INFO(0, src_w) ZEND_ARG_INFO(0, src_h) ZEND_ARG_INFO(0, pct) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagecopyresized, 0) ZEND_ARG_INFO(0, dst_im) ZEND_ARG_INFO(0, src_im) ZEND_ARG_INFO(0, dst_x) ZEND_ARG_INFO(0, dst_y) ZEND_ARG_INFO(0, src_x) ZEND_ARG_INFO(0, src_y) ZEND_ARG_INFO(0, dst_w) ZEND_ARG_INFO(0, dst_h) ZEND_ARG_INFO(0, src_w) ZEND_ARG_INFO(0, src_h) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagesx, 0) ZEND_ARG_INFO(0, im) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagesy, 0) ZEND_ARG_INFO(0, im) ZEND_END_ARG_INFO() #ifdef ENABLE_GD_TTF #if HAVE_LIBFREETYPE ZEND_BEGIN_ARG_INFO_EX(arginfo_imageftbbox, 0, 0, 4) ZEND_ARG_INFO(0, size) ZEND_ARG_INFO(0, angle) ZEND_ARG_INFO(0, font_file) ZEND_ARG_INFO(0, text) ZEND_ARG_INFO(0, extrainfo) /* ARRAY_INFO(0, extrainfo, 0) */ ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_imagefttext, 0, 0, 8) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, size) ZEND_ARG_INFO(0, angle) ZEND_ARG_INFO(0, x) ZEND_ARG_INFO(0, y) ZEND_ARG_INFO(0, col) ZEND_ARG_INFO(0, font_file) ZEND_ARG_INFO(0, text) ZEND_ARG_INFO(0, extrainfo) /* ARRAY_INFO(0, extrainfo, 0) */ ZEND_END_ARG_INFO() #endif ZEND_BEGIN_ARG_INFO(arginfo_imagettfbbox, 0) ZEND_ARG_INFO(0, size) ZEND_ARG_INFO(0, angle) ZEND_ARG_INFO(0, font_file) ZEND_ARG_INFO(0, text) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagettftext, 0) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, size) ZEND_ARG_INFO(0, angle) ZEND_ARG_INFO(0, x) ZEND_ARG_INFO(0, y) ZEND_ARG_INFO(0, col) ZEND_ARG_INFO(0, font_file) ZEND_ARG_INFO(0, text) ZEND_END_ARG_INFO() #endif ZEND_BEGIN_ARG_INFO_EX(arginfo_image2wbmp, 0, 0, 1) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, filename) ZEND_ARG_INFO(0, threshold) ZEND_END_ARG_INFO() #if defined(HAVE_GD_JPG) ZEND_BEGIN_ARG_INFO(arginfo_jpeg2wbmp, 0) ZEND_ARG_INFO(0, f_org) ZEND_ARG_INFO(0, f_dest) ZEND_ARG_INFO(0, d_height) ZEND_ARG_INFO(0, d_width) ZEND_ARG_INFO(0, d_threshold) ZEND_END_ARG_INFO() #endif #if defined(HAVE_GD_PNG) ZEND_BEGIN_ARG_INFO(arginfo_png2wbmp, 0) ZEND_ARG_INFO(0, f_org) ZEND_ARG_INFO(0, f_dest) ZEND_ARG_INFO(0, d_height) ZEND_ARG_INFO(0, d_width) ZEND_ARG_INFO(0, d_threshold) ZEND_END_ARG_INFO() #endif ZEND_BEGIN_ARG_INFO_EX(arginfo_imagefilter, 0, 0, 2) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, filtertype) ZEND_ARG_INFO(0, arg1) ZEND_ARG_INFO(0, arg2) ZEND_ARG_INFO(0, arg3) ZEND_ARG_INFO(0, arg4) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imageconvolution, 0) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, matrix3x3) /* ARRAY_INFO(0, matrix3x3, 0) */ ZEND_ARG_INFO(0, div) ZEND_ARG_INFO(0, offset) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imageflip, 0) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, mode) ZEND_END_ARG_INFO() #ifdef HAVE_GD_BUNDLED ZEND_BEGIN_ARG_INFO(arginfo_imageantialias, 0) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, on) ZEND_END_ARG_INFO() #endif ZEND_BEGIN_ARG_INFO(arginfo_imagecrop, 0) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, rect) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_imagecropauto, 0, 0, 1) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, mode) ZEND_ARG_INFO(0, threshold) ZEND_ARG_INFO(0, color) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_imagescale, 0, 0, 2) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, new_width) ZEND_ARG_INFO(0, new_height) ZEND_ARG_INFO(0, mode) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_imageaffine, 0, 0, 2) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, affine) ZEND_ARG_INFO(0, clip) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_imageaffinematrixget, 0, 0, 1) ZEND_ARG_INFO(0, type) ZEND_ARG_INFO(0, options) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imageaffinematrixconcat, 0) ZEND_ARG_INFO(0, m1) ZEND_ARG_INFO(0, m2) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_imagesetinterpolation, 0) ZEND_ARG_INFO(0, im) ZEND_ARG_INFO(0, method) ZEND_END_ARG_INFO() /* }}} */ /* {{{ gd_functions[] */ const zend_function_entry gd_functions[] = { PHP_FE(gd_info, arginfo_gd_info) PHP_FE(imagearc, arginfo_imagearc) PHP_FE(imageellipse, arginfo_imageellipse) PHP_FE(imagechar, arginfo_imagechar) PHP_FE(imagecharup, arginfo_imagecharup) PHP_FE(imagecolorat, arginfo_imagecolorat) PHP_FE(imagecolorallocate, arginfo_imagecolorallocate) PHP_FE(imagepalettecopy, arginfo_imagepalettecopy) PHP_FE(imagecreatefromstring, arginfo_imagecreatefromstring) PHP_FE(imagecolorclosest, arginfo_imagecolorclosest) PHP_FE(imagecolorclosesthwb, arginfo_imagecolorclosesthwb) PHP_FE(imagecolordeallocate, arginfo_imagecolordeallocate) PHP_FE(imagecolorresolve, arginfo_imagecolorresolve) PHP_FE(imagecolorexact, arginfo_imagecolorexact) PHP_FE(imagecolorset, arginfo_imagecolorset) PHP_FE(imagecolortransparent, arginfo_imagecolortransparent) PHP_FE(imagecolorstotal, arginfo_imagecolorstotal) PHP_FE(imagecolorsforindex, arginfo_imagecolorsforindex) PHP_FE(imagecopy, arginfo_imagecopy) PHP_FE(imagecopymerge, arginfo_imagecopymerge) PHP_FE(imagecopymergegray, arginfo_imagecopymergegray) PHP_FE(imagecopyresized, arginfo_imagecopyresized) PHP_FE(imagecreate, arginfo_imagecreate) PHP_FE(imagecreatetruecolor, arginfo_imagecreatetruecolor) PHP_FE(imageistruecolor, arginfo_imageistruecolor) PHP_FE(imagetruecolortopalette, arginfo_imagetruecolortopalette) PHP_FE(imagepalettetotruecolor, arginfo_imagepalettetotruecolor) PHP_FE(imagesetthickness, arginfo_imagesetthickness) PHP_FE(imagefilledarc, arginfo_imagefilledarc) PHP_FE(imagefilledellipse, arginfo_imagefilledellipse) PHP_FE(imagealphablending, arginfo_imagealphablending) PHP_FE(imagesavealpha, arginfo_imagesavealpha) PHP_FE(imagecolorallocatealpha, arginfo_imagecolorallocatealpha) PHP_FE(imagecolorresolvealpha, arginfo_imagecolorresolvealpha) PHP_FE(imagecolorclosestalpha, arginfo_imagecolorclosestalpha) PHP_FE(imagecolorexactalpha, arginfo_imagecolorexactalpha) PHP_FE(imagecopyresampled, arginfo_imagecopyresampled) #ifdef PHP_WIN32 PHP_FE(imagegrabwindow, arginfo_imagegrabwindow) PHP_FE(imagegrabscreen, arginfo_imagegrabscreen) #endif PHP_FE(imagerotate, arginfo_imagerotate) PHP_FE(imageflip, arginfo_imageflip) #ifdef HAVE_GD_BUNDLED PHP_FE(imageantialias, arginfo_imageantialias) #endif PHP_FE(imagecrop, arginfo_imagecrop) PHP_FE(imagecropauto, arginfo_imagecropauto) PHP_FE(imagescale, arginfo_imagescale) PHP_FE(imageaffine, arginfo_imageaffine) PHP_FE(imageaffinematrixconcat, arginfo_imageaffinematrixconcat) PHP_FE(imageaffinematrixget, arginfo_imageaffinematrixget) PHP_FE(imagesetinterpolation, arginfo_imagesetinterpolation) PHP_FE(imagesettile, arginfo_imagesettile) PHP_FE(imagesetbrush, arginfo_imagesetbrush) PHP_FE(imagesetstyle, arginfo_imagesetstyle) #ifdef HAVE_GD_PNG PHP_FE(imagecreatefrompng, arginfo_imagecreatefrompng) #endif #ifdef HAVE_GD_WEBP PHP_FE(imagecreatefromwebp, arginfo_imagecreatefromwebp) #endif PHP_FE(imagecreatefromgif, arginfo_imagecreatefromgif) #ifdef HAVE_GD_JPG PHP_FE(imagecreatefromjpeg, arginfo_imagecreatefromjpeg) #endif PHP_FE(imagecreatefromwbmp, arginfo_imagecreatefromwbmp) PHP_FE(imagecreatefromxbm, arginfo_imagecreatefromxbm) #if defined(HAVE_GD_XPM) PHP_FE(imagecreatefromxpm, arginfo_imagecreatefromxpm) #endif PHP_FE(imagecreatefromgd, arginfo_imagecreatefromgd) PHP_FE(imagecreatefromgd2, arginfo_imagecreatefromgd2) PHP_FE(imagecreatefromgd2part, arginfo_imagecreatefromgd2part) #ifdef HAVE_GD_PNG PHP_FE(imagepng, arginfo_imagepng) #endif #ifdef HAVE_GD_WEBP PHP_FE(imagewebp, arginfo_imagewebp) #endif PHP_FE(imagegif, arginfo_imagegif) #ifdef HAVE_GD_JPG PHP_FE(imagejpeg, arginfo_imagejpeg) #endif PHP_FE(imagewbmp, arginfo_imagewbmp) PHP_FE(imagegd, arginfo_imagegd) PHP_FE(imagegd2, arginfo_imagegd2) PHP_FE(imagedestroy, arginfo_imagedestroy) PHP_FE(imagegammacorrect, arginfo_imagegammacorrect) PHP_FE(imagefill, arginfo_imagefill) PHP_FE(imagefilledpolygon, arginfo_imagefilledpolygon) PHP_FE(imagefilledrectangle, arginfo_imagefilledrectangle) PHP_FE(imagefilltoborder, arginfo_imagefilltoborder) PHP_FE(imagefontwidth, arginfo_imagefontwidth) PHP_FE(imagefontheight, arginfo_imagefontheight) PHP_FE(imageinterlace, arginfo_imageinterlace) PHP_FE(imageline, arginfo_imageline) PHP_FE(imageloadfont, arginfo_imageloadfont) PHP_FE(imagepolygon, arginfo_imagepolygon) PHP_FE(imagerectangle, arginfo_imagerectangle) PHP_FE(imagesetpixel, arginfo_imagesetpixel) PHP_FE(imagestring, arginfo_imagestring) PHP_FE(imagestringup, arginfo_imagestringup) PHP_FE(imagesx, arginfo_imagesx) PHP_FE(imagesy, arginfo_imagesy) PHP_FE(imagedashedline, arginfo_imagedashedline) #ifdef ENABLE_GD_TTF PHP_FE(imagettfbbox, arginfo_imagettfbbox) PHP_FE(imagettftext, arginfo_imagettftext) #if HAVE_GD_FREETYPE && HAVE_LIBFREETYPE PHP_FE(imageftbbox, arginfo_imageftbbox) PHP_FE(imagefttext, arginfo_imagefttext) #endif #endif PHP_FE(imagetypes, arginfo_imagetypes) #if defined(HAVE_GD_JPG) PHP_FE(jpeg2wbmp, arginfo_jpeg2wbmp) #endif #if defined(HAVE_GD_PNG) PHP_FE(png2wbmp, arginfo_png2wbmp) #endif PHP_FE(image2wbmp, arginfo_image2wbmp) PHP_FE(imagelayereffect, arginfo_imagelayereffect) PHP_FE(imagexbm, arginfo_imagexbm) PHP_FE(imagecolormatch, arginfo_imagecolormatch) /* gd filters */ PHP_FE(imagefilter, arginfo_imagefilter) PHP_FE(imageconvolution, arginfo_imageconvolution) PHP_FE_END }; /* }}} */ zend_module_entry gd_module_entry = { STANDARD_MODULE_HEADER, "gd", gd_functions, PHP_MINIT(gd), NULL, NULL, #if HAVE_GD_FREETYPE && HAVE_LIBFREETYPE PHP_RSHUTDOWN(gd), #else NULL, #endif PHP_MINFO(gd), PHP_GD_VERSION, STANDARD_MODULE_PROPERTIES }; #ifdef COMPILE_DL_GD ZEND_GET_MODULE(gd) #endif /* {{{ PHP_INI_BEGIN */ PHP_INI_BEGIN() PHP_INI_ENTRY("gd.jpeg_ignore_warning", "0", PHP_INI_ALL, NULL) PHP_INI_END() /* }}} */ /* {{{ php_free_gd_image */ static void php_free_gd_image(zend_resource *rsrc) { gdImageDestroy((gdImagePtr) rsrc->ptr); } /* }}} */ /* {{{ php_free_gd_font */ static void php_free_gd_font(zend_resource *rsrc) { gdFontPtr fp = (gdFontPtr) rsrc->ptr; if (fp->data) { efree(fp->data); } efree(fp); } /* }}} */ #ifndef HAVE_GD_BUNDLED /* {{{ php_gd_error_method */ void php_gd_error_method(int type, const char *format, va_list args) { switch (type) { case GD_DEBUG: case GD_INFO: case GD_NOTICE: type = E_NOTICE; break; case GD_WARNING: type = E_WARNING; break; default: type = E_ERROR; } php_verror(NULL, "", type, format, args); } /* }}} */ #endif /* {{{ PHP_MINIT_FUNCTION */ PHP_MINIT_FUNCTION(gd) { le_gd = zend_register_list_destructors_ex(php_free_gd_image, NULL, "gd", module_number); le_gd_font = zend_register_list_destructors_ex(php_free_gd_font, NULL, "gd font", module_number); #if HAVE_GD_BUNDLED && HAVE_LIBFREETYPE gdFontCacheMutexSetup(); #endif #ifndef HAVE_GD_BUNDLED gdSetErrorMethod(php_gd_error_method); #endif REGISTER_INI_ENTRIES(); REGISTER_LONG_CONSTANT("IMG_GIF", 1, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_JPG", 2, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_JPEG", 2, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_PNG", 4, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_WBMP", 8, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_XPM", 16, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_WEBP", 32, CONST_CS | CONST_PERSISTENT); /* special colours for gd */ REGISTER_LONG_CONSTANT("IMG_COLOR_TILED", gdTiled, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_COLOR_STYLED", gdStyled, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_COLOR_BRUSHED", gdBrushed, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_COLOR_STYLEDBRUSHED", gdStyledBrushed, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_COLOR_TRANSPARENT", gdTransparent, CONST_CS | CONST_PERSISTENT); /* for imagefilledarc */ REGISTER_LONG_CONSTANT("IMG_ARC_ROUNDED", gdArc, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_ARC_PIE", gdPie, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_ARC_CHORD", gdChord, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_ARC_NOFILL", gdNoFill, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_ARC_EDGED", gdEdged, CONST_CS | CONST_PERSISTENT); /* GD2 image format types */ REGISTER_LONG_CONSTANT("IMG_GD2_RAW", GD2_FMT_RAW, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_GD2_COMPRESSED", GD2_FMT_COMPRESSED, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_FLIP_HORIZONTAL", GD_FLIP_HORINZONTAL, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_FLIP_VERTICAL", GD_FLIP_VERTICAL, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_FLIP_BOTH", GD_FLIP_BOTH, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_EFFECT_REPLACE", gdEffectReplace, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_EFFECT_ALPHABLEND", gdEffectAlphaBlend, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_EFFECT_NORMAL", gdEffectNormal, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_EFFECT_OVERLAY", gdEffectOverlay, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_CROP_DEFAULT", GD_CROP_DEFAULT, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_CROP_TRANSPARENT", GD_CROP_TRANSPARENT, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_CROP_BLACK", GD_CROP_BLACK, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_CROP_WHITE", GD_CROP_WHITE, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_CROP_SIDES", GD_CROP_SIDES, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_CROP_THRESHOLD", GD_CROP_THRESHOLD, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_BELL", GD_BELL, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_BESSEL", GD_BESSEL, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_BILINEAR_FIXED", GD_BILINEAR_FIXED, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_BICUBIC", GD_BICUBIC, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_BICUBIC_FIXED", GD_BICUBIC_FIXED, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_BLACKMAN", GD_BLACKMAN, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_BOX", GD_BOX, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_BSPLINE", GD_BSPLINE, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_CATMULLROM", GD_CATMULLROM, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_GAUSSIAN", GD_GAUSSIAN, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_GENERALIZED_CUBIC", GD_GENERALIZED_CUBIC, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_HERMITE", GD_HERMITE, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_HAMMING", GD_HAMMING, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_HANNING", GD_HANNING, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_MITCHELL", GD_MITCHELL, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_POWER", GD_POWER, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_QUADRATIC", GD_QUADRATIC, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_SINC", GD_SINC, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_NEAREST_NEIGHBOUR", GD_NEAREST_NEIGHBOUR, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_WEIGHTED4", GD_WEIGHTED4, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_TRIANGLE", GD_TRIANGLE, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_AFFINE_TRANSLATE", GD_AFFINE_TRANSLATE, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_AFFINE_SCALE", GD_AFFINE_SCALE, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_AFFINE_ROTATE", GD_AFFINE_ROTATE, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_AFFINE_SHEAR_HORIZONTAL", GD_AFFINE_SHEAR_HORIZONTAL, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_AFFINE_SHEAR_VERTICAL", GD_AFFINE_SHEAR_VERTICAL, CONST_CS | CONST_PERSISTENT); #if defined(HAVE_GD_BUNDLED) REGISTER_LONG_CONSTANT("GD_BUNDLED", 1, CONST_CS | CONST_PERSISTENT); #else REGISTER_LONG_CONSTANT("GD_BUNDLED", 0, CONST_CS | CONST_PERSISTENT); #endif /* Section Filters */ REGISTER_LONG_CONSTANT("IMG_FILTER_NEGATE", IMAGE_FILTER_NEGATE, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_FILTER_GRAYSCALE", IMAGE_FILTER_GRAYSCALE, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_FILTER_BRIGHTNESS", IMAGE_FILTER_BRIGHTNESS, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_FILTER_CONTRAST", IMAGE_FILTER_CONTRAST, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_FILTER_COLORIZE", IMAGE_FILTER_COLORIZE, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_FILTER_EDGEDETECT", IMAGE_FILTER_EDGEDETECT, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_FILTER_GAUSSIAN_BLUR", IMAGE_FILTER_GAUSSIAN_BLUR, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_FILTER_SELECTIVE_BLUR", IMAGE_FILTER_SELECTIVE_BLUR, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_FILTER_EMBOSS", IMAGE_FILTER_EMBOSS, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_FILTER_MEAN_REMOVAL", IMAGE_FILTER_MEAN_REMOVAL, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_FILTER_SMOOTH", IMAGE_FILTER_SMOOTH, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("IMG_FILTER_PIXELATE", IMAGE_FILTER_PIXELATE, CONST_CS | CONST_PERSISTENT); /* End Section Filters */ #ifdef GD_VERSION_STRING REGISTER_STRING_CONSTANT("GD_VERSION", GD_VERSION_STRING, CONST_CS | CONST_PERSISTENT); #endif #if defined(GD_MAJOR_VERSION) && defined(GD_MINOR_VERSION) && defined(GD_RELEASE_VERSION) && defined(GD_EXTRA_VERSION) REGISTER_LONG_CONSTANT("GD_MAJOR_VERSION", GD_MAJOR_VERSION, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("GD_MINOR_VERSION", GD_MINOR_VERSION, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("GD_RELEASE_VERSION", GD_RELEASE_VERSION, CONST_CS | CONST_PERSISTENT); REGISTER_STRING_CONSTANT("GD_EXTRA_VERSION", GD_EXTRA_VERSION, CONST_CS | CONST_PERSISTENT); #endif #ifdef HAVE_GD_PNG /* * cannot include #include "png.h" * /usr/include/pngconf.h:310:2: error: #error png.h already includes setjmp.h with some additional fixup. * as error, use the values for now... */ REGISTER_LONG_CONSTANT("PNG_NO_FILTER", 0x00, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("PNG_FILTER_NONE", 0x08, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("PNG_FILTER_SUB", 0x10, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("PNG_FILTER_UP", 0x20, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("PNG_FILTER_AVG", 0x40, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("PNG_FILTER_PAETH", 0x80, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("PNG_ALL_FILTERS", 0x08 | 0x10 | 0x20 | 0x40 | 0x80, CONST_CS | CONST_PERSISTENT); #endif return SUCCESS; } /* }}} */ /* {{{ PHP_RSHUTDOWN_FUNCTION */ #if HAVE_GD_FREETYPE && HAVE_LIBFREETYPE PHP_RSHUTDOWN_FUNCTION(gd) { gdFontCacheShutdown(); return SUCCESS; } #endif /* }}} */ #if defined(HAVE_GD_BUNDLED) #define PHP_GD_VERSION_STRING "bundled (2.1.0 compatible)" #else # define PHP_GD_VERSION_STRING GD_VERSION_STRING #endif /* {{{ PHP_MINFO_FUNCTION */ PHP_MINFO_FUNCTION(gd) { php_info_print_table_start(); php_info_print_table_row(2, "GD Support", "enabled"); /* need to use a PHPAPI function here because it is external module in windows */ #if defined(HAVE_GD_BUNDLED) php_info_print_table_row(2, "GD Version", PHP_GD_VERSION_STRING); #else php_info_print_table_row(2, "GD headers Version", PHP_GD_VERSION_STRING); #if defined(HAVE_GD_LIBVERSION) php_info_print_table_row(2, "GD library Version", gdVersionString()); #endif #endif #ifdef ENABLE_GD_TTF php_info_print_table_row(2, "FreeType Support", "enabled"); #if HAVE_LIBFREETYPE php_info_print_table_row(2, "FreeType Linkage", "with freetype"); { char tmp[256]; #ifdef FREETYPE_PATCH snprintf(tmp, sizeof(tmp), "%d.%d.%d", FREETYPE_MAJOR, FREETYPE_MINOR, FREETYPE_PATCH); #elif defined(FREETYPE_MAJOR) snprintf(tmp, sizeof(tmp), "%d.%d", FREETYPE_MAJOR, FREETYPE_MINOR); #else snprintf(tmp, sizeof(tmp), "1.x"); #endif php_info_print_table_row(2, "FreeType Version", tmp); } #else php_info_print_table_row(2, "FreeType Linkage", "with unknown library"); #endif #endif php_info_print_table_row(2, "GIF Read Support", "enabled"); php_info_print_table_row(2, "GIF Create Support", "enabled"); #ifdef HAVE_GD_JPG { php_info_print_table_row(2, "JPEG Support", "enabled"); php_info_print_table_row(2, "libJPEG Version", gdJpegGetVersionString()); } #endif #ifdef HAVE_GD_PNG php_info_print_table_row(2, "PNG Support", "enabled"); php_info_print_table_row(2, "libPNG Version", gdPngGetVersionString()); #endif php_info_print_table_row(2, "WBMP Support", "enabled"); #if defined(HAVE_GD_XPM) php_info_print_table_row(2, "XPM Support", "enabled"); { char tmp[12]; snprintf(tmp, sizeof(tmp), "%d", XpmLibraryVersion()); php_info_print_table_row(2, "libXpm Version", tmp); } #endif php_info_print_table_row(2, "XBM Support", "enabled"); #if defined(USE_GD_JISX0208) php_info_print_table_row(2, "JIS-mapped Japanese Font Support", "enabled"); #endif #ifdef HAVE_GD_WEBP php_info_print_table_row(2, "WebP Support", "enabled"); #endif php_info_print_table_end(); DISPLAY_INI_ENTRIES(); } /* }}} */ /* {{{ proto array gd_info() */ PHP_FUNCTION(gd_info) { if (zend_parse_parameters_none() == FAILURE) { RETURN_FALSE; } array_init(return_value); add_assoc_string(return_value, "GD Version", PHP_GD_VERSION_STRING); #ifdef ENABLE_GD_TTF add_assoc_bool(return_value, "FreeType Support", 1); #if HAVE_LIBFREETYPE add_assoc_string(return_value, "FreeType Linkage", "with freetype"); #else add_assoc_string(return_value, "FreeType Linkage", "with unknown library"); #endif #else add_assoc_bool(return_value, "FreeType Support", 0); #endif add_assoc_bool(return_value, "GIF Read Support", 1); add_assoc_bool(return_value, "GIF Create Support", 1); #ifdef HAVE_GD_JPG add_assoc_bool(return_value, "JPEG Support", 1); #else add_assoc_bool(return_value, "JPEG Support", 0); #endif #ifdef HAVE_GD_PNG add_assoc_bool(return_value, "PNG Support", 1); #else add_assoc_bool(return_value, "PNG Support", 0); #endif add_assoc_bool(return_value, "WBMP Support", 1); #if defined(HAVE_GD_XPM) add_assoc_bool(return_value, "XPM Support", 1); #else add_assoc_bool(return_value, "XPM Support", 0); #endif add_assoc_bool(return_value, "XBM Support", 1); #ifdef HAVE_GD_WEBP add_assoc_bool(return_value, "WebP Support", 1); #else add_assoc_bool(return_value, "WebP Support", 0); #endif #if defined(USE_GD_JISX0208) add_assoc_bool(return_value, "JIS-mapped Japanese Font Support", 1); #else add_assoc_bool(return_value, "JIS-mapped Japanese Font Support", 0); #endif } /* }}} */ /* Need this for cpdf. See also comment in file.c php3i_get_le_fp() */ PHP_GD_API int phpi_get_le_gd(void) { return le_gd; } /* }}} */ #define FLIPWORD(a) (((a & 0xff000000) >> 24) | ((a & 0x00ff0000) >> 8) | ((a & 0x0000ff00) << 8) | ((a & 0x000000ff) << 24)) /* {{{ proto int imageloadfont(string filename) Load a new font */ PHP_FUNCTION(imageloadfont) { zval *ind; zend_string *file; int hdr_size = sizeof(gdFont) - sizeof(char *); int body_size, n = 0, b, i, body_size_check; gdFontPtr font; php_stream *stream; if (zend_parse_parameters(ZEND_NUM_ARGS(), "P", &file) == FAILURE) { return; } stream = php_stream_open_wrapper(ZSTR_VAL(file), "rb", IGNORE_PATH | IGNORE_URL_WIN | REPORT_ERRORS, NULL); if (stream == NULL) { RETURN_FALSE; } /* Only supports a architecture-dependent binary dump format * at the moment. * The file format is like this on machines with 32-byte integers: * * byte 0-3: (int) number of characters in the font * byte 4-7: (int) value of first character in the font (often 32, space) * byte 8-11: (int) pixel width of each character * byte 12-15: (int) pixel height of each character * bytes 16-: (char) array with character data, one byte per pixel * in each character, for a total of * (nchars*width*height) bytes. */ font = (gdFontPtr) emalloc(sizeof(gdFont)); b = 0; while (b < hdr_size && (n = php_stream_read(stream, (char*)&font[b], hdr_size - b))) { b += n; } if (!n) { efree(font); if (php_stream_eof(stream)) { php_error_docref(NULL, E_WARNING, "End of file while reading header"); } else { php_error_docref(NULL, E_WARNING, "Error while reading header"); } php_stream_close(stream); RETURN_FALSE; } i = php_stream_tell(stream); php_stream_seek(stream, 0, SEEK_END); body_size_check = php_stream_tell(stream) - hdr_size; php_stream_seek(stream, i, SEEK_SET); body_size = font->w * font->h * font->nchars; if (body_size != body_size_check) { font->w = FLIPWORD(font->w); font->h = FLIPWORD(font->h); font->nchars = FLIPWORD(font->nchars); body_size = font->w * font->h * font->nchars; } if (overflow2(font->nchars, font->h) || overflow2(font->nchars * font->h, font->w )) { php_error_docref(NULL, E_WARNING, "Error reading font, invalid font header"); efree(font); php_stream_close(stream); RETURN_FALSE; } if (body_size != body_size_check) { php_error_docref(NULL, E_WARNING, "Error reading font"); efree(font); php_stream_close(stream); RETURN_FALSE; } font->data = emalloc(body_size); b = 0; while (b < body_size && (n = php_stream_read(stream, &font->data[b], body_size - b))) { b += n; } if (!n) { efree(font->data); efree(font); if (php_stream_eof(stream)) { php_error_docref(NULL, E_WARNING, "End of file while reading body"); } else { php_error_docref(NULL, E_WARNING, "Error while reading body"); } php_stream_close(stream); RETURN_FALSE; } php_stream_close(stream); ind = zend_list_insert(font, le_gd_font); /* Adding 5 to the font index so we will never have font indices * that overlap with the old fonts (with indices 1-5). The first * list index given out is always 1. */ RETURN_LONG(Z_RES_HANDLE_P(ind) + 5); } /* }}} */ /* {{{ proto bool imagesetstyle(resource im, array styles) Set the line drawing styles for use with imageline and IMG_COLOR_STYLED. */ PHP_FUNCTION(imagesetstyle) { zval *IM, *styles, *item; gdImagePtr im; int *stylearr; int index = 0; uint32_t num_styles; if (zend_parse_parameters(ZEND_NUM_ARGS(), "ra", &IM, &styles) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } num_styles = zend_hash_num_elements(Z_ARRVAL_P(styles)); if (num_styles == 0) { php_error_docref(NULL, E_WARNING, "styles array must not be empty"); RETURN_FALSE; } /* copy the style values in the stylearr */ stylearr = safe_emalloc(sizeof(int), num_styles, 0); ZEND_HASH_FOREACH_VAL(Z_ARRVAL_P(styles), item) { stylearr[index++] = zval_get_long(item); } ZEND_HASH_FOREACH_END(); gdImageSetStyle(im, stylearr, index); efree(stylearr); RETURN_TRUE; } /* }}} */ /* {{{ proto resource imagecreatetruecolor(int x_size, int y_size) Create a new true color image */ PHP_FUNCTION(imagecreatetruecolor) { zend_long x_size, y_size; gdImagePtr im; if (zend_parse_parameters(ZEND_NUM_ARGS(), "ll", &x_size, &y_size) == FAILURE) { return; } if (x_size <= 0 || y_size <= 0 || x_size >= INT_MAX || y_size >= INT_MAX) { php_error_docref(NULL, E_WARNING, "Invalid image dimensions"); RETURN_FALSE; } im = gdImageCreateTrueColor(x_size, y_size); if (!im) { RETURN_FALSE; } RETURN_RES(zend_register_resource(im, le_gd)); } /* }}} */ /* {{{ proto bool imageistruecolor(resource im) return true if the image uses truecolor */ PHP_FUNCTION(imageistruecolor) { zval *IM; gdImagePtr im; if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &IM) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } RETURN_BOOL(im->trueColor); } /* }}} */ /* {{{ proto void imagetruecolortopalette(resource im, bool ditherFlag, int colorsWanted) Convert a true color image to a palette based image with a number of colors, optionally using dithering. */ PHP_FUNCTION(imagetruecolortopalette) { zval *IM; zend_bool dither; zend_long ncolors; gdImagePtr im; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rbl", &IM, &dither, &ncolors) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } if (ncolors <= 0 || ZEND_LONG_INT_OVFL(ncolors)) { php_error_docref(NULL, E_WARNING, "Number of colors has to be greater than zero and no more than %d", INT_MAX); RETURN_FALSE; } gdImageTrueColorToPalette(im, dither, (int)ncolors); RETURN_TRUE; } /* }}} */ /* {{{ proto void imagepalettetotruecolor(resource im) Convert a palette based image to a true color image. */ PHP_FUNCTION(imagepalettetotruecolor) { zval *IM; gdImagePtr im; if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &IM) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } if (gdImagePaletteToTrueColor(im) == 0) { RETURN_FALSE; } RETURN_TRUE; } /* }}} */ /* {{{ proto bool imagecolormatch(resource im1, resource im2) Makes the colors of the palette version of an image more closely match the true color version */ PHP_FUNCTION(imagecolormatch) { zval *IM1, *IM2; gdImagePtr im1, im2; int result; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rr", &IM1, &IM2) == FAILURE) { return; } if ((im1 = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM1), "Image", le_gd)) == NULL) { RETURN_FALSE; } if ((im2 = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM2), "Image", le_gd)) == NULL) { RETURN_FALSE; } result = gdImageColorMatch(im1, im2); switch (result) { case -1: php_error_docref(NULL, E_WARNING, "Image1 must be TrueColor" ); RETURN_FALSE; break; case -2: php_error_docref(NULL, E_WARNING, "Image2 must be Palette" ); RETURN_FALSE; break; case -3: php_error_docref(NULL, E_WARNING, "Image1 and Image2 must be the same size" ); RETURN_FALSE; break; case -4: php_error_docref(NULL, E_WARNING, "Image2 must have at least one color" ); RETURN_FALSE; break; } RETURN_TRUE; } /* }}} */ /* {{{ proto bool imagesetthickness(resource im, int thickness) Set line thickness for drawing lines, ellipses, rectangles, polygons etc. */ PHP_FUNCTION(imagesetthickness) { zval *IM; zend_long thick; gdImagePtr im; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rl", &IM, &thick) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } gdImageSetThickness(im, thick); RETURN_TRUE; } /* }}} */ /* {{{ proto bool imagefilledellipse(resource im, int cx, int cy, int w, int h, int color) Draw an ellipse */ PHP_FUNCTION(imagefilledellipse) { zval *IM; zend_long cx, cy, w, h, color; gdImagePtr im; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rlllll", &IM, &cx, &cy, &w, &h, &color) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } gdImageFilledEllipse(im, cx, cy, w, h, color); RETURN_TRUE; } /* }}} */ /* {{{ proto bool imagefilledarc(resource im, int cx, int cy, int w, int h, int s, int e, int col, int style) Draw a filled partial ellipse */ PHP_FUNCTION(imagefilledarc) { zval *IM; zend_long cx, cy, w, h, ST, E, col, style; gdImagePtr im; int e, st; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rllllllll", &IM, &cx, &cy, &w, &h, &ST, &E, &col, &style) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } e = E; if (e < 0) { e %= 360; } st = ST; if (st < 0) { st %= 360; } gdImageFilledArc(im, cx, cy, w, h, st, e, col, style); RETURN_TRUE; } /* }}} */ /* {{{ proto bool imagealphablending(resource im, bool on) Turn alpha blending mode on or off for the given image */ PHP_FUNCTION(imagealphablending) { zval *IM; zend_bool blend; gdImagePtr im; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rb", &IM, &blend) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } gdImageAlphaBlending(im, blend); RETURN_TRUE; } /* }}} */ /* {{{ proto bool imagesavealpha(resource im, bool on) Include alpha channel to a saved image */ PHP_FUNCTION(imagesavealpha) { zval *IM; zend_bool save; gdImagePtr im; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rb", &IM, &save) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } gdImageSaveAlpha(im, save); RETURN_TRUE; } /* }}} */ /* {{{ proto bool imagelayereffect(resource im, int effect) Set the alpha blending flag to use the bundled libgd layering effects */ PHP_FUNCTION(imagelayereffect) { zval *IM; zend_long effect; gdImagePtr im; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rl", &IM, &effect) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } gdImageAlphaBlending(im, effect); RETURN_TRUE; } /* }}} */ /* {{{ proto int imagecolorallocatealpha(resource im, int red, int green, int blue, int alpha) Allocate a color with an alpha level. Works for true color and palette based images */ PHP_FUNCTION(imagecolorallocatealpha) { zval *IM; zend_long red, green, blue, alpha; gdImagePtr im; int ct = (-1); if (zend_parse_parameters(ZEND_NUM_ARGS(), "rllll", &IM, &red, &green, &blue, &alpha) == FAILURE) { RETURN_FALSE; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } ct = gdImageColorAllocateAlpha(im, red, green, blue, alpha); if (ct < 0) { RETURN_FALSE; } RETURN_LONG((zend_long)ct); } /* }}} */ /* {{{ proto int imagecolorresolvealpha(resource im, int red, int green, int blue, int alpha) Resolve/Allocate a colour with an alpha level. Works for true colour and palette based images */ PHP_FUNCTION(imagecolorresolvealpha) { zval *IM; zend_long red, green, blue, alpha; gdImagePtr im; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rllll", &IM, &red, &green, &blue, &alpha) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } RETURN_LONG(gdImageColorResolveAlpha(im, red, green, blue, alpha)); } /* }}} */ /* {{{ proto int imagecolorclosestalpha(resource im, int red, int green, int blue, int alpha) Find the closest matching colour with alpha transparency */ PHP_FUNCTION(imagecolorclosestalpha) { zval *IM; zend_long red, green, blue, alpha; gdImagePtr im; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rllll", &IM, &red, &green, &blue, &alpha) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } RETURN_LONG(gdImageColorClosestAlpha(im, red, green, blue, alpha)); } /* }}} */ /* {{{ proto int imagecolorexactalpha(resource im, int red, int green, int blue, int alpha) Find exact match for colour with transparency */ PHP_FUNCTION(imagecolorexactalpha) { zval *IM; zend_long red, green, blue, alpha; gdImagePtr im; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rllll", &IM, &red, &green, &blue, &alpha) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } RETURN_LONG(gdImageColorExactAlpha(im, red, green, blue, alpha)); } /* }}} */ /* {{{ proto bool imagecopyresampled(resource dst_im, resource src_im, int dst_x, int dst_y, int src_x, int src_y, int dst_w, int dst_h, int src_w, int src_h) Copy and resize part of an image using resampling to help ensure clarity */ PHP_FUNCTION(imagecopyresampled) { zval *SIM, *DIM; zend_long SX, SY, SW, SH, DX, DY, DW, DH; gdImagePtr im_dst, im_src; int srcH, srcW, dstH, dstW, srcY, srcX, dstY, dstX; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rrllllllll", &DIM, &SIM, &DX, &DY, &SX, &SY, &DW, &DH, &SW, &SH) == FAILURE) { return; } if ((im_dst = (gdImagePtr)zend_fetch_resource(Z_RES_P(DIM), "Image", le_gd)) == NULL) { RETURN_FALSE; } if ((im_src = (gdImagePtr)zend_fetch_resource(Z_RES_P(SIM), "Image", le_gd)) == NULL) { RETURN_FALSE; } srcX = SX; srcY = SY; srcH = SH; srcW = SW; dstX = DX; dstY = DY; dstH = DH; dstW = DW; gdImageCopyResampled(im_dst, im_src, dstX, dstY, srcX, srcY, dstW, dstH, srcW, srcH); RETURN_TRUE; } /* }}} */ #ifdef PHP_WIN32 /* {{{ proto resource imagegrabwindow(int window_handle [, int client_area]) Grab a window or its client area using a windows handle (HWND property in COM instance) */ PHP_FUNCTION(imagegrabwindow) { HWND window; zend_long client_area = 0; RECT rc = {0}; RECT rc_win = {0}; int Width, Height; HDC hdc; HDC memDC; HBITMAP memBM; HBITMAP hOld; HINSTANCE handle; zend_long lwindow_handle; typedef BOOL (WINAPI *tPrintWindow)(HWND, HDC,UINT); tPrintWindow pPrintWindow = 0; gdImagePtr im = NULL; if (zend_parse_parameters(ZEND_NUM_ARGS(), "l|l", &lwindow_handle, &client_area) == FAILURE) { RETURN_FALSE; } window = (HWND) lwindow_handle; if (!IsWindow(window)) { php_error_docref(NULL, E_NOTICE, "Invalid window handle"); RETURN_FALSE; } hdc = GetDC(0); if (client_area) { GetClientRect(window, &rc); Width = rc.right; Height = rc.bottom; } else { GetWindowRect(window, &rc); Width = rc.right - rc.left; Height = rc.bottom - rc.top; } Width = (Width/4)*4; memDC = CreateCompatibleDC(hdc); memBM = CreateCompatibleBitmap(hdc, Width, Height); hOld = (HBITMAP) SelectObject (memDC, memBM); handle = LoadLibrary("User32.dll"); if ( handle == 0 ) { goto clean; } pPrintWindow = (tPrintWindow) GetProcAddress(handle, "PrintWindow"); if ( pPrintWindow ) { pPrintWindow(window, memDC, (UINT) client_area); } else { php_error_docref(NULL, E_WARNING, "Windows API too old"); goto clean; } FreeLibrary(handle); im = gdImageCreateTrueColor(Width, Height); if (im) { int x,y; for (y=0; y <= Height; y++) { for (x=0; x <= Width; x++) { int c = GetPixel(memDC, x,y); gdImageSetPixel(im, x, y, gdTrueColor(GetRValue(c), GetGValue(c), GetBValue(c))); } } } clean: SelectObject(memDC,hOld); DeleteObject(memBM); DeleteDC(memDC); ReleaseDC( 0, hdc ); if (!im) { RETURN_FALSE; } else { RETURN_RES(zend_register_resource(im, le_gd)); } } /* }}} */ /* {{{ proto resource imagegrabscreen() Grab a screenshot */ PHP_FUNCTION(imagegrabscreen) { HWND window = GetDesktopWindow(); RECT rc = {0}; int Width, Height; HDC hdc; HDC memDC; HBITMAP memBM; HBITMAP hOld; typedef BOOL (WINAPI *tPrintWindow)(HWND, HDC,UINT); tPrintWindow pPrintWindow = 0; gdImagePtr im; hdc = GetDC(0); if (zend_parse_parameters_none() == FAILURE) { return; } if (!hdc) { RETURN_FALSE; } GetWindowRect(window, &rc); Width = rc.right - rc.left; Height = rc.bottom - rc.top; Width = (Width/4)*4; memDC = CreateCompatibleDC(hdc); memBM = CreateCompatibleBitmap(hdc, Width, Height); hOld = (HBITMAP) SelectObject (memDC, memBM); BitBlt( memDC, 0, 0, Width, Height , hdc, rc.left, rc.top , SRCCOPY ); im = gdImageCreateTrueColor(Width, Height); if (im) { int x,y; for (y=0; y <= Height; y++) { for (x=0; x <= Width; x++) { int c = GetPixel(memDC, x,y); gdImageSetPixel(im, x, y, gdTrueColor(GetRValue(c), GetGValue(c), GetBValue(c))); } } } SelectObject(memDC,hOld); DeleteObject(memBM); DeleteDC(memDC); ReleaseDC( 0, hdc ); if (!im) { RETURN_FALSE; } else { RETURN_RES(zend_register_resource(im, le_gd)); } } /* }}} */ #endif /* PHP_WIN32 */ /* {{{ proto resource imagerotate(resource src_im, float angle, int bgdcolor [, int ignoretransparent]) Rotate an image using a custom angle */ PHP_FUNCTION(imagerotate) { zval *SIM; gdImagePtr im_dst, im_src; double degrees; zend_long color; zend_long ignoretransparent = 0; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rdl|l", &SIM, °rees, &color, &ignoretransparent) == FAILURE) { RETURN_FALSE; } if ((im_src = (gdImagePtr)zend_fetch_resource(Z_RES_P(SIM), "Image", le_gd)) == NULL) { RETURN_FALSE; } im_dst = gdImageRotateInterpolated(im_src, (const float)degrees, color); if (im_dst != NULL) { RETURN_RES(zend_register_resource(im_dst, le_gd)); } else { RETURN_FALSE; } } /* }}} */ /* {{{ proto bool imagesettile(resource image, resource tile) Set the tile image to $tile when filling $image with the "IMG_COLOR_TILED" color */ PHP_FUNCTION(imagesettile) { zval *IM, *TILE; gdImagePtr im, tile; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rr", &IM, &TILE) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } if ((tile = (gdImagePtr)zend_fetch_resource(Z_RES_P(TILE), "Image", le_gd)) == NULL) { RETURN_FALSE; } gdImageSetTile(im, tile); RETURN_TRUE; } /* }}} */ /* {{{ proto bool imagesetbrush(resource image, resource brush) Set the brush image to $brush when filling $image with the "IMG_COLOR_BRUSHED" color */ PHP_FUNCTION(imagesetbrush) { zval *IM, *TILE; gdImagePtr im, tile; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rr", &IM, &TILE) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } if ((tile = (gdImagePtr)zend_fetch_resource(Z_RES_P(TILE), "Image", le_gd)) == NULL) { RETURN_FALSE; } gdImageSetBrush(im, tile); RETURN_TRUE; } /* }}} */ /* {{{ proto resource imagecreate(int x_size, int y_size) Create a new image */ PHP_FUNCTION(imagecreate) { zend_long x_size, y_size; gdImagePtr im; if (zend_parse_parameters(ZEND_NUM_ARGS(), "ll", &x_size, &y_size) == FAILURE) { return; } if (x_size <= 0 || y_size <= 0 || x_size >= INT_MAX || y_size >= INT_MAX) { php_error_docref(NULL, E_WARNING, "Invalid image dimensions"); RETURN_FALSE; } im = gdImageCreate(x_size, y_size); if (!im) { RETURN_FALSE; } RETURN_RES(zend_register_resource(im, le_gd)); } /* }}} */ /* {{{ proto int imagetypes(void) Return the types of images supported in a bitfield - 1=GIF, 2=JPEG, 4=PNG, 8=WBMP, 16=XPM */ PHP_FUNCTION(imagetypes) { int ret=0; ret = 1; #ifdef HAVE_GD_JPG ret |= 2; #endif #ifdef HAVE_GD_PNG ret |= 4; #endif ret |= 8; #if defined(HAVE_GD_XPM) ret |= 16; #endif #ifdef HAVE_GD_WEBP ret |= 32; #endif if (zend_parse_parameters_none() == FAILURE) { return; } RETURN_LONG(ret); } /* }}} */ /* {{{ _php_ctx_getmbi */ static int _php_ctx_getmbi(gdIOCtx *ctx) { int i, mbi = 0; do { i = (ctx->getC)(ctx); if (i < 0) { return -1; } mbi = (mbi << 7) | (i & 0x7f); } while (i & 0x80); return mbi; } /* }}} */ /* {{{ _php_image_type */ static const char php_sig_gd2[3] = {'g', 'd', '2'}; static int _php_image_type (char data[8]) { /* Based on ext/standard/image.c */ if (data == NULL) { return -1; } if (!memcmp(data, php_sig_gd2, 3)) { return PHP_GDIMG_TYPE_GD2; } else if (!memcmp(data, php_sig_jpg, 3)) { return PHP_GDIMG_TYPE_JPG; } else if (!memcmp(data, php_sig_png, 3)) { if (!memcmp(data, php_sig_png, 8)) { return PHP_GDIMG_TYPE_PNG; } } else if (!memcmp(data, php_sig_gif, 3)) { return PHP_GDIMG_TYPE_GIF; } else { gdIOCtx *io_ctx; io_ctx = gdNewDynamicCtxEx(8, data, 0); if (io_ctx) { if (_php_ctx_getmbi(io_ctx) == 0 && _php_ctx_getmbi(io_ctx) >= 0) { io_ctx->gd_free(io_ctx); return PHP_GDIMG_TYPE_WBM; } else { io_ctx->gd_free(io_ctx); } } } return -1; } /* }}} */ /* {{{ _php_image_create_from_string */ gdImagePtr _php_image_create_from_string(zval *data, char *tn, gdImagePtr (*ioctx_func_p)()) { gdImagePtr im; gdIOCtx *io_ctx; io_ctx = gdNewDynamicCtxEx(Z_STRLEN_P(data), Z_STRVAL_P(data), 0); if (!io_ctx) { return NULL; } im = (*ioctx_func_p)(io_ctx); if (!im) { php_error_docref(NULL, E_WARNING, "Passed data is not in '%s' format", tn); io_ctx->gd_free(io_ctx); return NULL; } io_ctx->gd_free(io_ctx); return im; } /* }}} */ /* {{{ proto resource imagecreatefromstring(string image) Create a new image from the image stream in the string */ PHP_FUNCTION(imagecreatefromstring) { zval *data; gdImagePtr im; int imtype; char sig[8]; if (zend_parse_parameters(ZEND_NUM_ARGS(), "z", &data) == FAILURE) { return; } convert_to_string_ex(data); if (Z_STRLEN_P(data) < 8) { php_error_docref(NULL, E_WARNING, "Empty string or invalid image"); RETURN_FALSE; } memcpy(sig, Z_STRVAL_P(data), 8); imtype = _php_image_type(sig); switch (imtype) { case PHP_GDIMG_TYPE_JPG: #ifdef HAVE_GD_JPG im = _php_image_create_from_string(data, "JPEG", gdImageCreateFromJpegCtx); #else php_error_docref(NULL, E_WARNING, "No JPEG support in this PHP build"); RETURN_FALSE; #endif break; case PHP_GDIMG_TYPE_PNG: #ifdef HAVE_GD_PNG im = _php_image_create_from_string(data, "PNG", gdImageCreateFromPngCtx); #else php_error_docref(NULL, E_WARNING, "No PNG support in this PHP build"); RETURN_FALSE; #endif break; case PHP_GDIMG_TYPE_GIF: im = _php_image_create_from_string(data, "GIF", gdImageCreateFromGifCtx); break; case PHP_GDIMG_TYPE_WBM: im = _php_image_create_from_string(data, "WBMP", gdImageCreateFromWBMPCtx); break; case PHP_GDIMG_TYPE_GD2: im = _php_image_create_from_string(data, "GD2", gdImageCreateFromGd2Ctx); break; default: php_error_docref(NULL, E_WARNING, "Data is not in a recognized format"); RETURN_FALSE; } if (!im) { php_error_docref(NULL, E_WARNING, "Couldn't create GD Image Stream out of Data"); RETURN_FALSE; } RETURN_RES(zend_register_resource(im, le_gd)); } /* }}} */ /* {{{ _php_image_create_from */ static void _php_image_create_from(INTERNAL_FUNCTION_PARAMETERS, int image_type, char *tn, gdImagePtr (*func_p)(), gdImagePtr (*ioctx_func_p)()) { char *file; size_t file_len; zend_long srcx, srcy, width, height; gdImagePtr im = NULL; php_stream *stream; FILE * fp = NULL; #ifdef HAVE_GD_JPG long ignore_warning; #endif if (image_type == PHP_GDIMG_TYPE_GD2PART) { if (zend_parse_parameters(ZEND_NUM_ARGS(), "pllll", &file, &file_len, &srcx, &srcy, &width, &height) == FAILURE) { return; } if (width < 1 || height < 1) { php_error_docref(NULL, E_WARNING, "Zero width or height not allowed"); RETURN_FALSE; } } else { if (zend_parse_parameters(ZEND_NUM_ARGS(), "p", &file, &file_len) == FAILURE) { return; } } stream = php_stream_open_wrapper(file, "rb", REPORT_ERRORS|IGNORE_PATH|IGNORE_URL_WIN, NULL); if (stream == NULL) { RETURN_FALSE; } /* try and avoid allocating a FILE* if the stream is not naturally a FILE* */ if (php_stream_is(stream, PHP_STREAM_IS_STDIO)) { if (FAILURE == php_stream_cast(stream, PHP_STREAM_AS_STDIO, (void**)&fp, REPORT_ERRORS)) { goto out_err; } } else if (ioctx_func_p) { /* we can create an io context */ gdIOCtx* io_ctx; zend_string *buff; char *pstr; buff = php_stream_copy_to_mem(stream, PHP_STREAM_COPY_ALL, 0); if (!buff) { php_error_docref(NULL, E_WARNING,"Cannot read image data"); goto out_err; } /* needs to be malloc (persistent) - GD will free() it later */ pstr = pestrndup(ZSTR_VAL(buff), ZSTR_LEN(buff), 1); io_ctx = gdNewDynamicCtxEx(ZSTR_LEN(buff), pstr, 0); if (!io_ctx) { pefree(pstr, 1); zend_string_release(buff); php_error_docref(NULL, E_WARNING,"Cannot allocate GD IO context"); goto out_err; } if (image_type == PHP_GDIMG_TYPE_GD2PART) { im = (*ioctx_func_p)(io_ctx, srcx, srcy, width, height); } else { im = (*ioctx_func_p)(io_ctx); } io_ctx->gd_free(io_ctx); pefree(pstr, 1); zend_string_release(buff); } else if (php_stream_can_cast(stream, PHP_STREAM_AS_STDIO)) { /* try and force the stream to be FILE* */ if (FAILURE == php_stream_cast(stream, PHP_STREAM_AS_STDIO | PHP_STREAM_CAST_TRY_HARD, (void **) &fp, REPORT_ERRORS)) { goto out_err; } } if (!im && fp) { switch (image_type) { case PHP_GDIMG_TYPE_GD2PART: im = (*func_p)(fp, srcx, srcy, width, height); break; #if defined(HAVE_GD_XPM) case PHP_GDIMG_TYPE_XPM: im = gdImageCreateFromXpm(file); break; #endif #ifdef HAVE_GD_JPG case PHP_GDIMG_TYPE_JPG: ignore_warning = INI_INT("gd.jpeg_ignore_warning"); im = gdImageCreateFromJpegEx(fp, ignore_warning); break; #endif default: im = (*func_p)(fp); break; } fflush(fp); } /* register_im: */ if (im) { RETVAL_RES(zend_register_resource(im, le_gd)); php_stream_close(stream); return; } php_error_docref(NULL, E_WARNING, "'%s' is not a valid %s file", file, tn); out_err: php_stream_close(stream); RETURN_FALSE; } /* }}} */ /* {{{ proto resource imagecreatefromgif(string filename) Create a new image from GIF file or URL */ PHP_FUNCTION(imagecreatefromgif) { _php_image_create_from(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_GIF, "GIF", gdImageCreateFromGif, gdImageCreateFromGifCtx); } /* }}} */ #ifdef HAVE_GD_JPG /* {{{ proto resource imagecreatefromjpeg(string filename) Create a new image from JPEG file or URL */ PHP_FUNCTION(imagecreatefromjpeg) { _php_image_create_from(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_JPG, "JPEG", gdImageCreateFromJpeg, gdImageCreateFromJpegCtx); } /* }}} */ #endif /* HAVE_GD_JPG */ #ifdef HAVE_GD_PNG /* {{{ proto resource imagecreatefrompng(string filename) Create a new image from PNG file or URL */ PHP_FUNCTION(imagecreatefrompng) { _php_image_create_from(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_PNG, "PNG", gdImageCreateFromPng, gdImageCreateFromPngCtx); } /* }}} */ #endif /* HAVE_GD_PNG */ #ifdef HAVE_GD_WEBP /* {{{ proto resource imagecreatefromwebp(string filename) Create a new image from WEBP file or URL */ PHP_FUNCTION(imagecreatefromwebp) { _php_image_create_from(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_WEBP, "WEBP", gdImageCreateFromWebp, gdImageCreateFromWebpCtx); } /* }}} */ #endif /* HAVE_GD_WEBP */ /* {{{ proto resource imagecreatefromxbm(string filename) Create a new image from XBM file or URL */ PHP_FUNCTION(imagecreatefromxbm) { _php_image_create_from(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_XBM, "XBM", gdImageCreateFromXbm, NULL); } /* }}} */ #if defined(HAVE_GD_XPM) /* {{{ proto resource imagecreatefromxpm(string filename) Create a new image from XPM file or URL */ PHP_FUNCTION(imagecreatefromxpm) { _php_image_create_from(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_XPM, "XPM", gdImageCreateFromXpm, NULL); } /* }}} */ #endif /* {{{ proto resource imagecreatefromwbmp(string filename) Create a new image from WBMP file or URL */ PHP_FUNCTION(imagecreatefromwbmp) { _php_image_create_from(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_WBM, "WBMP", gdImageCreateFromWBMP, gdImageCreateFromWBMPCtx); } /* }}} */ /* {{{ proto resource imagecreatefromgd(string filename) Create a new image from GD file or URL */ PHP_FUNCTION(imagecreatefromgd) { _php_image_create_from(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_GD, "GD", gdImageCreateFromGd, gdImageCreateFromGdCtx); } /* }}} */ /* {{{ proto resource imagecreatefromgd2(string filename) Create a new image from GD2 file or URL */ PHP_FUNCTION(imagecreatefromgd2) { _php_image_create_from(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_GD2, "GD2", gdImageCreateFromGd2, gdImageCreateFromGd2Ctx); } /* }}} */ /* {{{ proto resource imagecreatefromgd2part(string filename, int srcX, int srcY, int width, int height) Create a new image from a given part of GD2 file or URL */ PHP_FUNCTION(imagecreatefromgd2part) { _php_image_create_from(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_GD2PART, "GD2", gdImageCreateFromGd2Part, gdImageCreateFromGd2PartCtx); } /* }}} */ /* {{{ _php_image_output */ static void _php_image_output(INTERNAL_FUNCTION_PARAMETERS, int image_type, char *tn, void (*func_p)()) { zval *imgind; char *file = NULL; zend_long quality = 0, type = 0; gdImagePtr im; char *fn = NULL; FILE *fp; size_t file_len = 0; int argc = ZEND_NUM_ARGS(); int q = -1, i, t = 1; /* The quality parameter for Wbmp stands for the threshold when called from image2wbmp() */ /* When called from imagewbmp() the quality parameter stands for the foreground color. Default: black. */ /* The quality parameter for gd2 stands for chunk size */ if (zend_parse_parameters(argc, "r|pll", &imgind, &file, &file_len, &quality, &type) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(imgind), "Image", le_gd)) == NULL) { RETURN_FALSE; } if (argc > 1) { fn = file; if (argc >= 3) { q = quality; if (argc == 4) { t = type; } } } if (argc >= 2 && file_len) { PHP_GD_CHECK_OPEN_BASEDIR(fn, "Invalid filename"); fp = VCWD_FOPEN(fn, "wb"); if (!fp) { php_error_docref(NULL, E_WARNING, "Unable to open '%s' for writing", fn); RETURN_FALSE; } switch (image_type) { case PHP_GDIMG_CONVERT_WBM: if (q == -1) { q = 0; } else if (q < 0 || q > 255) { php_error_docref(NULL, E_WARNING, "Invalid threshold value '%d'. It must be between 0 and 255", q); q = 0; } gdImageWBMP(im, q, fp); break; case PHP_GDIMG_TYPE_JPG: (*func_p)(im, fp, q); break; case PHP_GDIMG_TYPE_WBM: for (i = 0; i < gdImageColorsTotal(im); i++) { if (gdImageRed(im, i) == 0) break; } (*func_p)(im, i, fp); break; case PHP_GDIMG_TYPE_GD: if (im->trueColor){ gdImageTrueColorToPalette(im,1,256); } (*func_p)(im, fp); break; case PHP_GDIMG_TYPE_GD2: if (q == -1) { q = 128; } (*func_p)(im, fp, q, t); break; default: if (q == -1) { q = 128; } (*func_p)(im, fp, q, t); break; } fflush(fp); fclose(fp); } else { int b; FILE *tmp; char buf[4096]; zend_string *path; tmp = php_open_temporary_file(NULL, NULL, &path); if (tmp == NULL) { php_error_docref(NULL, E_WARNING, "Unable to open temporary file"); RETURN_FALSE; } switch (image_type) { case PHP_GDIMG_CONVERT_WBM: if (q == -1) { q = 0; } else if (q < 0 || q > 255) { php_error_docref(NULL, E_WARNING, "Invalid threshold value '%d'. It must be between 0 and 255", q); q = 0; } gdImageWBMP(im, q, tmp); break; case PHP_GDIMG_TYPE_JPG: (*func_p)(im, tmp, q); break; case PHP_GDIMG_TYPE_WBM: for (i = 0; i < gdImageColorsTotal(im); i++) { if (gdImageRed(im, i) == 0) { break; } } (*func_p)(im, q, tmp); break; case PHP_GDIMG_TYPE_GD: if (im->trueColor) { gdImageTrueColorToPalette(im,1,256); } (*func_p)(im, tmp); break; case PHP_GDIMG_TYPE_GD2: if (q == -1) { q = 128; } (*func_p)(im, tmp, q, t); break; default: (*func_p)(im, tmp); break; } fseek(tmp, 0, SEEK_SET); #if APACHE && defined(CHARSET_EBCDIC) /* XXX this is unlikely to work any more thies@thieso.net */ /* This is a binary file already: avoid EBCDIC->ASCII conversion */ ap_bsetflag(php3_rqst->connection->client, B_EBCDIC2ASCII, 0); #endif while ((b = fread(buf, 1, sizeof(buf), tmp)) > 0) { php_write(buf, b); } fclose(tmp); VCWD_UNLINK((const char *)ZSTR_VAL(path)); /* make sure that the temporary file is removed */ zend_string_release(path); } RETURN_TRUE; } /* }}} */ /* {{{ proto int imagexbm(int im, string filename [, int foreground]) Output XBM image to browser or file */ PHP_FUNCTION(imagexbm) { _php_image_output_ctx(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_XBM, "XBM", gdImageXbmCtx); } /* }}} */ /* {{{ proto bool imagegif(resource im [, string filename]) Output GIF image to browser or file */ PHP_FUNCTION(imagegif) { _php_image_output_ctx(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_GIF, "GIF", gdImageGifCtx); } /* }}} */ #ifdef HAVE_GD_PNG /* {{{ proto bool imagepng(resource im [, string filename]) Output PNG image to browser or file */ PHP_FUNCTION(imagepng) { _php_image_output_ctx(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_PNG, "PNG", gdImagePngCtxEx); } /* }}} */ #endif /* HAVE_GD_PNG */ #ifdef HAVE_GD_WEBP /* {{{ proto bool imagewebp(resource im [, string filename[, int quality]] ) Output WEBP image to browser or file */ PHP_FUNCTION(imagewebp) { _php_image_output_ctx(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_WEBP, "WEBP", gdImageWebpCtx); } /* }}} */ #endif /* HAVE_GD_WEBP */ #ifdef HAVE_GD_JPG /* {{{ proto bool imagejpeg(resource im [, string filename [, int quality]]) Output JPEG image to browser or file */ PHP_FUNCTION(imagejpeg) { _php_image_output_ctx(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_JPG, "JPEG", gdImageJpegCtx); } /* }}} */ #endif /* HAVE_GD_JPG */ /* {{{ proto bool imagewbmp(resource im [, string filename [, int foreground]]) Output WBMP image to browser or file */ PHP_FUNCTION(imagewbmp) { _php_image_output_ctx(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_WBM, "WBMP", gdImageWBMPCtx); } /* }}} */ /* {{{ proto bool imagegd(resource im [, string filename]) Output GD image to browser or file */ PHP_FUNCTION(imagegd) { _php_image_output(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_GD, "GD", gdImageGd); } /* }}} */ /* {{{ proto bool imagegd2(resource im [, string filename [, int chunk_size [, int type]]]) Output GD2 image to browser or file */ PHP_FUNCTION(imagegd2) { _php_image_output(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_GD2, "GD2", gdImageGd2); } /* }}} */ /* {{{ proto bool imagedestroy(resource im) Destroy an image */ PHP_FUNCTION(imagedestroy) { zval *IM; gdImagePtr im; if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &IM) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } zend_list_close(Z_RES_P(IM)); RETURN_TRUE; } /* }}} */ /* {{{ proto int imagecolorallocate(resource im, int red, int green, int blue) Allocate a color for an image */ PHP_FUNCTION(imagecolorallocate) { zval *IM; zend_long red, green, blue; gdImagePtr im; int ct = (-1); if (zend_parse_parameters(ZEND_NUM_ARGS(), "rlll", &IM, &red, &green, &blue) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } ct = gdImageColorAllocate(im, red, green, blue); if (ct < 0) { RETURN_FALSE; } RETURN_LONG(ct); } /* }}} */ /* {{{ proto void imagepalettecopy(resource dst, resource src) Copy the palette from the src image onto the dst image */ PHP_FUNCTION(imagepalettecopy) { zval *dstim, *srcim; gdImagePtr dst, src; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rr", &dstim, &srcim) == FAILURE) { return; } if ((dst = (gdImagePtr)zend_fetch_resource(Z_RES_P(dstim), "Image", le_gd)) == NULL) { RETURN_FALSE; } if ((src = (gdImagePtr)zend_fetch_resource(Z_RES_P(srcim), "Image", le_gd)) == NULL) { RETURN_FALSE; } gdImagePaletteCopy(dst, src); } /* }}} */ /* {{{ proto int imagecolorat(resource im, int x, int y) Get the index of the color of a pixel */ PHP_FUNCTION(imagecolorat) { zval *IM; zend_long x, y; gdImagePtr im; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rll", &IM, &x, &y) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } if (gdImageTrueColor(im)) { if (im->tpixels && gdImageBoundsSafe(im, x, y)) { RETURN_LONG(gdImageTrueColorPixel(im, x, y)); } else { php_error_docref(NULL, E_NOTICE, "%pd,%pd is out of bounds", x, y); RETURN_FALSE; } } else { if (im->pixels && gdImageBoundsSafe(im, x, y)) { RETURN_LONG(im->pixels[y][x]); } else { php_error_docref(NULL, E_NOTICE, "%pd,%pd is out of bounds", x, y); RETURN_FALSE; } } } /* }}} */ /* {{{ proto int imagecolorclosest(resource im, int red, int green, int blue) Get the index of the closest color to the specified color */ PHP_FUNCTION(imagecolorclosest) { zval *IM; zend_long red, green, blue; gdImagePtr im; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rlll", &IM, &red, &green, &blue) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } RETURN_LONG(gdImageColorClosest(im, red, green, blue)); } /* }}} */ /* {{{ proto int imagecolorclosesthwb(resource im, int red, int green, int blue) Get the index of the color which has the hue, white and blackness nearest to the given color */ PHP_FUNCTION(imagecolorclosesthwb) { zval *IM; zend_long red, green, blue; gdImagePtr im; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rlll", &IM, &red, &green, &blue) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } RETURN_LONG(gdImageColorClosestHWB(im, red, green, blue)); } /* }}} */ /* {{{ proto bool imagecolordeallocate(resource im, int index) De-allocate a color for an image */ PHP_FUNCTION(imagecolordeallocate) { zval *IM; zend_long index; int col; gdImagePtr im; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rl", &IM, &index) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } /* We can return right away for a truecolor image as deallocating colours is meaningless here */ if (gdImageTrueColor(im)) { RETURN_TRUE; } col = index; if (col >= 0 && col < gdImageColorsTotal(im)) { gdImageColorDeallocate(im, col); RETURN_TRUE; } else { php_error_docref(NULL, E_WARNING, "Color index %d out of range", col); RETURN_FALSE; } } /* }}} */ /* {{{ proto int imagecolorresolve(resource im, int red, int green, int blue) Get the index of the specified color or its closest possible alternative */ PHP_FUNCTION(imagecolorresolve) { zval *IM; zend_long red, green, blue; gdImagePtr im; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rlll", &IM, &red, &green, &blue) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } RETURN_LONG(gdImageColorResolve(im, red, green, blue)); } /* }}} */ /* {{{ proto int imagecolorexact(resource im, int red, int green, int blue) Get the index of the specified color */ PHP_FUNCTION(imagecolorexact) { zval *IM; zend_long red, green, blue; gdImagePtr im; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rlll", &IM, &red, &green, &blue) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } RETURN_LONG(gdImageColorExact(im, red, green, blue)); } /* }}} */ /* {{{ proto void imagecolorset(resource im, int col, int red, int green, int blue) Set the color for the specified palette index */ PHP_FUNCTION(imagecolorset) { zval *IM; zend_long color, red, green, blue, alpha = 0; int col; gdImagePtr im; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rllll|l", &IM, &color, &red, &green, &blue, &alpha) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } col = color; if (col >= 0 && col < gdImageColorsTotal(im)) { im->red[col] = red; im->green[col] = green; im->blue[col] = blue; im->alpha[col] = alpha; } else { RETURN_FALSE; } } /* }}} */ /* {{{ proto array imagecolorsforindex(resource im, int col) Get the colors for an index */ PHP_FUNCTION(imagecolorsforindex) { zval *IM; zend_long index; int col; gdImagePtr im; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rl", &IM, &index) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } col = index; if ((col >= 0 && gdImageTrueColor(im)) || (!gdImageTrueColor(im) && col >= 0 && col < gdImageColorsTotal(im))) { array_init(return_value); add_assoc_long(return_value,"red", gdImageRed(im,col)); add_assoc_long(return_value,"green", gdImageGreen(im,col)); add_assoc_long(return_value,"blue", gdImageBlue(im,col)); add_assoc_long(return_value,"alpha", gdImageAlpha(im,col)); } else { php_error_docref(NULL, E_WARNING, "Color index %d out of range", col); RETURN_FALSE; } } /* }}} */ /* {{{ proto bool imagegammacorrect(resource im, float inputgamma, float outputgamma) Apply a gamma correction to a GD image */ PHP_FUNCTION(imagegammacorrect) { zval *IM; gdImagePtr im; int i; double input, output; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rdd", &IM, &input, &output) == FAILURE) { return; } if ( input <= 0.0 || output <= 0.0 ) { php_error_docref(NULL, E_WARNING, "Gamma values should be positive"); RETURN_FALSE; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } if (gdImageTrueColor(im)) { int x, y, c; for (y = 0; y < gdImageSY(im); y++) { for (x = 0; x < gdImageSX(im); x++) { c = gdImageGetPixel(im, x, y); gdImageSetPixel(im, x, y, gdTrueColorAlpha( (int) ((pow((pow((gdTrueColorGetRed(c) / 255.0), input)), 1.0 / output) * 255) + .5), (int) ((pow((pow((gdTrueColorGetGreen(c) / 255.0), input)), 1.0 / output) * 255) + .5), (int) ((pow((pow((gdTrueColorGetBlue(c) / 255.0), input)), 1.0 / output) * 255) + .5), gdTrueColorGetAlpha(c) ) ); } } RETURN_TRUE; } for (i = 0; i < gdImageColorsTotal(im); i++) { im->red[i] = (int)((pow((pow((im->red[i] / 255.0), input)), 1.0 / output) * 255) + .5); im->green[i] = (int)((pow((pow((im->green[i] / 255.0), input)), 1.0 / output) * 255) + .5); im->blue[i] = (int)((pow((pow((im->blue[i] / 255.0), input)), 1.0 / output) * 255) + .5); } RETURN_TRUE; } /* }}} */ /* {{{ proto bool imagesetpixel(resource im, int x, int y, int col) Set a single pixel */ PHP_FUNCTION(imagesetpixel) { zval *IM; zend_long x, y, col; gdImagePtr im; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rlll", &IM, &x, &y, &col) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } gdImageSetPixel(im, x, y, col); RETURN_TRUE; } /* }}} */ /* {{{ proto bool imageline(resource im, int x1, int y1, int x2, int y2, int col) Draw a line */ PHP_FUNCTION(imageline) { zval *IM; zend_long x1, y1, x2, y2, col; gdImagePtr im; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rlllll", &IM, &x1, &y1, &x2, &y2, &col) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } #ifdef HAVE_GD_BUNDLED if (im->antialias) { gdImageAALine(im, x1, y1, x2, y2, col); } else #endif { gdImageLine(im, x1, y1, x2, y2, col); } RETURN_TRUE; } /* }}} */ /* {{{ proto bool imagedashedline(resource im, int x1, int y1, int x2, int y2, int col) Draw a dashed line */ PHP_FUNCTION(imagedashedline) { zval *IM; zend_long x1, y1, x2, y2, col; gdImagePtr im; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rlllll", &IM, &x1, &y1, &x2, &y2, &col) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } gdImageDashedLine(im, x1, y1, x2, y2, col); RETURN_TRUE; } /* }}} */ /* {{{ proto bool imagerectangle(resource im, int x1, int y1, int x2, int y2, int col) Draw a rectangle */ PHP_FUNCTION(imagerectangle) { zval *IM; zend_long x1, y1, x2, y2, col; gdImagePtr im; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rlllll", &IM, &x1, &y1, &x2, &y2, &col) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } gdImageRectangle(im, x1, y1, x2, y2, col); RETURN_TRUE; } /* }}} */ /* {{{ proto bool imagefilledrectangle(resource im, int x1, int y1, int x2, int y2, int col) Draw a filled rectangle */ PHP_FUNCTION(imagefilledrectangle) { zval *IM; zend_long x1, y1, x2, y2, col; gdImagePtr im; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rlllll", &IM, &x1, &y1, &x2, &y2, &col) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } gdImageFilledRectangle(im, x1, y1, x2, y2, col); RETURN_TRUE; } /* }}} */ /* {{{ proto bool imagearc(resource im, int cx, int cy, int w, int h, int s, int e, int col) Draw a partial ellipse */ PHP_FUNCTION(imagearc) { zval *IM; zend_long cx, cy, w, h, ST, E, col; gdImagePtr im; int e, st; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rlllllll", &IM, &cx, &cy, &w, &h, &ST, &E, &col) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } e = E; if (e < 0) { e %= 360; } st = ST; if (st < 0) { st %= 360; } gdImageArc(im, cx, cy, w, h, st, e, col); RETURN_TRUE; } /* }}} */ /* {{{ proto bool imageellipse(resource im, int cx, int cy, int w, int h, int color) Draw an ellipse */ PHP_FUNCTION(imageellipse) { zval *IM; zend_long cx, cy, w, h, color; gdImagePtr im; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rlllll", &IM, &cx, &cy, &w, &h, &color) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } gdImageEllipse(im, cx, cy, w, h, color); RETURN_TRUE; } /* }}} */ /* {{{ proto bool imagefilltoborder(resource im, int x, int y, int border, int col) Flood fill to specific color */ PHP_FUNCTION(imagefilltoborder) { zval *IM; zend_long x, y, border, col; gdImagePtr im; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rllll", &IM, &x, &y, &border, &col) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } gdImageFillToBorder(im, x, y, border, col); RETURN_TRUE; } /* }}} */ /* {{{ proto bool imagefill(resource im, int x, int y, int col) Flood fill */ PHP_FUNCTION(imagefill) { zval *IM; zend_long x, y, col; gdImagePtr im; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rlll", &IM, &x, &y, &col) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } gdImageFill(im, x, y, col); RETURN_TRUE; } /* }}} */ /* {{{ proto int imagecolorstotal(resource im) Find out the number of colors in an image's palette */ PHP_FUNCTION(imagecolorstotal) { zval *IM; gdImagePtr im; if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &IM) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } RETURN_LONG(gdImageColorsTotal(im)); } /* }}} */ /* {{{ proto int imagecolortransparent(resource im [, int col]) Define a color as transparent */ PHP_FUNCTION(imagecolortransparent) { zval *IM; zend_long COL = 0; gdImagePtr im; int argc = ZEND_NUM_ARGS(); if (zend_parse_parameters(argc, "r|l", &IM, &COL) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } if (argc > 1) { gdImageColorTransparent(im, COL); } RETURN_LONG(gdImageGetTransparent(im)); } /* }}} */ /* {{{ proto int imageinterlace(resource im [, int interlace]) Enable or disable interlace */ PHP_FUNCTION(imageinterlace) { zval *IM; int argc = ZEND_NUM_ARGS(); zend_long INT = 0; gdImagePtr im; if (zend_parse_parameters(argc, "r|l", &IM, &INT) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } if (argc > 1) { gdImageInterlace(im, INT); } RETURN_LONG(gdImageGetInterlaced(im)); } /* }}} */ /* {{{ php_imagepolygon arg = 0 normal polygon arg = 1 filled polygon */ /* im, points, num_points, col */ static void php_imagepolygon(INTERNAL_FUNCTION_PARAMETERS, int filled) { zval *IM, *POINTS; zend_long NPOINTS, COL; zval *var = NULL; gdImagePtr im; gdPointPtr points; int npoints, col, nelem, i; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rall", &IM, &POINTS, &NPOINTS, &COL) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } npoints = NPOINTS; col = COL; nelem = zend_hash_num_elements(Z_ARRVAL_P(POINTS)); if (nelem < 6) { php_error_docref(NULL, E_WARNING, "You must have at least 3 points in your array"); RETURN_FALSE; } if (npoints <= 0) { php_error_docref(NULL, E_WARNING, "You must give a positive number of points"); RETURN_FALSE; } if (nelem < npoints * 2) { php_error_docref(NULL, E_WARNING, "Trying to use %d points in array with only %d points", npoints, nelem/2); RETURN_FALSE; } points = (gdPointPtr) safe_emalloc(npoints, sizeof(gdPoint), 0); for (i = 0; i < npoints; i++) { if ((var = zend_hash_index_find(Z_ARRVAL_P(POINTS), (i * 2))) != NULL) { points[i].x = zval_get_long(var); } if ((var = zend_hash_index_find(Z_ARRVAL_P(POINTS), (i * 2) + 1)) != NULL) { points[i].y = zval_get_long(var); } } if (filled) { gdImageFilledPolygon(im, points, npoints, col); } else { gdImagePolygon(im, points, npoints, col); } efree(points); RETURN_TRUE; } /* }}} */ /* {{{ proto bool imagepolygon(resource im, array point, int num_points, int col) Draw a polygon */ PHP_FUNCTION(imagepolygon) { php_imagepolygon(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0); } /* }}} */ /* {{{ proto bool imagefilledpolygon(resource im, array point, int num_points, int col) Draw a filled polygon */ PHP_FUNCTION(imagefilledpolygon) { php_imagepolygon(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1); } /* }}} */ /* {{{ php_find_gd_font */ static gdFontPtr php_find_gd_font(int size) { gdFontPtr font; switch (size) { case 1: font = gdFontTiny; break; case 2: font = gdFontSmall; break; case 3: font = gdFontMediumBold; break; case 4: font = gdFontLarge; break; case 5: font = gdFontGiant; break; default: { zval *zv = zend_hash_index_find(&EG(regular_list), size - 5); if (!zv || (Z_RES_P(zv))->type != le_gd_font) { if (size < 1) { font = gdFontTiny; } else { font = gdFontGiant; } } else { font = (gdFontPtr)Z_RES_P(zv)->ptr; } } break; } return font; } /* }}} */ /* {{{ php_imagefontsize * arg = 0 ImageFontWidth * arg = 1 ImageFontHeight */ static void php_imagefontsize(INTERNAL_FUNCTION_PARAMETERS, int arg) { zend_long SIZE; gdFontPtr font; if (zend_parse_parameters(ZEND_NUM_ARGS(), "l", &SIZE) == FAILURE) { return; } font = php_find_gd_font(SIZE); RETURN_LONG(arg ? font->h : font->w); } /* }}} */ /* {{{ proto int imagefontwidth(int font) Get font width */ PHP_FUNCTION(imagefontwidth) { php_imagefontsize(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0); } /* }}} */ /* {{{ proto int imagefontheight(int font) Get font height */ PHP_FUNCTION(imagefontheight) { php_imagefontsize(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1); } /* }}} */ /* {{{ php_gdimagecharup * workaround for a bug in gd 1.2 */ static void php_gdimagecharup(gdImagePtr im, gdFontPtr f, int x, int y, int c, int color) { int cx, cy, px, py, fline; cx = 0; cy = 0; if ((c < f->offset) || (c >= (f->offset + f->nchars))) { return; } fline = (c - f->offset) * f->h * f->w; for (py = y; (py > (y - f->w)); py--) { for (px = x; (px < (x + f->h)); px++) { if (f->data[fline + cy * f->w + cx]) { gdImageSetPixel(im, px, py, color); } cy++; } cy = 0; cx++; } } /* }}} */ /* {{{ php_imagechar * arg = 0 ImageChar * arg = 1 ImageCharUp * arg = 2 ImageString * arg = 3 ImageStringUp */ static void php_imagechar(INTERNAL_FUNCTION_PARAMETERS, int mode) { zval *IM; zend_long SIZE, X, Y, COL; char *C; size_t C_len; gdImagePtr im; int ch = 0, col, x, y, size, i, l = 0; unsigned char *str = NULL; gdFontPtr font; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rlllsl", &IM, &SIZE, &X, &Y, &C, &C_len, &COL) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } col = COL; if (mode < 2) { ch = (int)((unsigned char)*C); } else { str = (unsigned char *) estrndup(C, C_len); l = strlen((char *)str); } y = Y; x = X; size = SIZE; font = php_find_gd_font(size); switch (mode) { case 0: gdImageChar(im, font, x, y, ch, col); break; case 1: php_gdimagecharup(im, font, x, y, ch, col); break; case 2: for (i = 0; (i < l); i++) { gdImageChar(im, font, x, y, (int) ((unsigned char) str[i]), col); x += font->w; } break; case 3: { for (i = 0; (i < l); i++) { /* php_gdimagecharup(im, font, x, y, (int) str[i], col); */ gdImageCharUp(im, font, x, y, (int) str[i], col); y -= font->w; } break; } } if (str) { efree(str); } RETURN_TRUE; } /* }}} */ /* {{{ proto bool imagechar(resource im, int font, int x, int y, string c, int col) Draw a character */ PHP_FUNCTION(imagechar) { php_imagechar(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0); } /* }}} */ /* {{{ proto bool imagecharup(resource im, int font, int x, int y, string c, int col) Draw a character rotated 90 degrees counter-clockwise */ PHP_FUNCTION(imagecharup) { php_imagechar(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1); } /* }}} */ /* {{{ proto bool imagestring(resource im, int font, int x, int y, string str, int col) Draw a string horizontally */ PHP_FUNCTION(imagestring) { php_imagechar(INTERNAL_FUNCTION_PARAM_PASSTHRU, 2); } /* }}} */ /* {{{ proto bool imagestringup(resource im, int font, int x, int y, string str, int col) Draw a string vertically - rotated 90 degrees counter-clockwise */ PHP_FUNCTION(imagestringup) { php_imagechar(INTERNAL_FUNCTION_PARAM_PASSTHRU, 3); } /* }}} */ /* {{{ proto bool imagecopy(resource dst_im, resource src_im, int dst_x, int dst_y, int src_x, int src_y, int src_w, int src_h) Copy part of an image */ PHP_FUNCTION(imagecopy) { zval *SIM, *DIM; zend_long SX, SY, SW, SH, DX, DY; gdImagePtr im_dst, im_src; int srcH, srcW, srcY, srcX, dstY, dstX; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rrllllll", &DIM, &SIM, &DX, &DY, &SX, &SY, &SW, &SH) == FAILURE) { return; } if ((im_dst = (gdImagePtr)zend_fetch_resource(Z_RES_P(DIM), "Image", le_gd)) == NULL) { RETURN_FALSE; } if ((im_src = (gdImagePtr)zend_fetch_resource(Z_RES_P(SIM), "Image", le_gd)) == NULL) { RETURN_FALSE; } srcX = SX; srcY = SY; srcH = SH; srcW = SW; dstX = DX; dstY = DY; gdImageCopy(im_dst, im_src, dstX, dstY, srcX, srcY, srcW, srcH); RETURN_TRUE; } /* }}} */ /* {{{ proto bool imagecopymerge(resource src_im, resource dst_im, int dst_x, int dst_y, int src_x, int src_y, int src_w, int src_h, int pct) Merge one part of an image with another */ PHP_FUNCTION(imagecopymerge) { zval *SIM, *DIM; zend_long SX, SY, SW, SH, DX, DY, PCT; gdImagePtr im_dst, im_src; int srcH, srcW, srcY, srcX, dstY, dstX, pct; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rrlllllll", &DIM, &SIM, &DX, &DY, &SX, &SY, &SW, &SH, &PCT) == FAILURE) { return; } if ((im_dst = (gdImagePtr)zend_fetch_resource(Z_RES_P(DIM), "Image", le_gd)) == NULL) { RETURN_FALSE; } if ((im_src = (gdImagePtr)zend_fetch_resource(Z_RES_P(SIM), "Image", le_gd)) == NULL) { RETURN_FALSE; } srcX = SX; srcY = SY; srcH = SH; srcW = SW; dstX = DX; dstY = DY; pct = PCT; gdImageCopyMerge(im_dst, im_src, dstX, dstY, srcX, srcY, srcW, srcH, pct); RETURN_TRUE; } /* }}} */ /* {{{ proto bool imagecopymergegray(resource src_im, resource dst_im, int dst_x, int dst_y, int src_x, int src_y, int src_w, int src_h, int pct) Merge one part of an image with another */ PHP_FUNCTION(imagecopymergegray) { zval *SIM, *DIM; zend_long SX, SY, SW, SH, DX, DY, PCT; gdImagePtr im_dst, im_src; int srcH, srcW, srcY, srcX, dstY, dstX, pct; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rrlllllll", &DIM, &SIM, &DX, &DY, &SX, &SY, &SW, &SH, &PCT) == FAILURE) { return; } if ((im_dst = (gdImagePtr)zend_fetch_resource(Z_RES_P(DIM), "Image", le_gd)) == NULL) { RETURN_FALSE; } if ((im_src = (gdImagePtr)zend_fetch_resource(Z_RES_P(SIM), "Image", le_gd)) == NULL) { RETURN_FALSE; } srcX = SX; srcY = SY; srcH = SH; srcW = SW; dstX = DX; dstY = DY; pct = PCT; gdImageCopyMergeGray(im_dst, im_src, dstX, dstY, srcX, srcY, srcW, srcH, pct); RETURN_TRUE; } /* }}} */ /* {{{ proto bool imagecopyresized(resource dst_im, resource src_im, int dst_x, int dst_y, int src_x, int src_y, int dst_w, int dst_h, int src_w, int src_h) Copy and resize part of an image */ PHP_FUNCTION(imagecopyresized) { zval *SIM, *DIM; zend_long SX, SY, SW, SH, DX, DY, DW, DH; gdImagePtr im_dst, im_src; int srcH, srcW, dstH, dstW, srcY, srcX, dstY, dstX; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rrllllllll", &DIM, &SIM, &DX, &DY, &SX, &SY, &DW, &DH, &SW, &SH) == FAILURE) { return; } if ((im_dst = (gdImagePtr)zend_fetch_resource(Z_RES_P(DIM), "Image", le_gd)) == NULL) { RETURN_FALSE; } if ((im_src = (gdImagePtr)zend_fetch_resource(Z_RES_P(SIM), "Image", le_gd)) == NULL) { RETURN_FALSE; } srcX = SX; srcY = SY; srcH = SH; srcW = SW; dstX = DX; dstY = DY; dstH = DH; dstW = DW; if (dstW <= 0 || dstH <= 0 || srcW <= 0 || srcH <= 0) { php_error_docref(NULL, E_WARNING, "Invalid image dimensions"); RETURN_FALSE; } gdImageCopyResized(im_dst, im_src, dstX, dstY, srcX, srcY, dstW, dstH, srcW, srcH); RETURN_TRUE; } /* }}} */ /* {{{ proto int imagesx(resource im) Get image width */ PHP_FUNCTION(imagesx) { zval *IM; gdImagePtr im; if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &IM) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } RETURN_LONG(gdImageSX(im)); } /* }}} */ /* {{{ proto int imagesy(resource im) Get image height */ PHP_FUNCTION(imagesy) { zval *IM; gdImagePtr im; if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &IM) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } RETURN_LONG(gdImageSY(im)); } /* }}} */ #ifdef ENABLE_GD_TTF #define TTFTEXT_DRAW 0 #define TTFTEXT_BBOX 1 #endif #ifdef ENABLE_GD_TTF #if HAVE_GD_FREETYPE && HAVE_LIBFREETYPE /* {{{ proto array imageftbbox(float size, float angle, string font_file, string text [, array extrainfo]) Give the bounding box of a text using fonts via freetype2 */ PHP_FUNCTION(imageftbbox) { php_imagettftext_common(INTERNAL_FUNCTION_PARAM_PASSTHRU, TTFTEXT_BBOX, 1); } /* }}} */ /* {{{ proto array imagefttext(resource im, float size, float angle, int x, int y, int col, string font_file, string text [, array extrainfo]) Write text to the image using fonts via freetype2 */ PHP_FUNCTION(imagefttext) { php_imagettftext_common(INTERNAL_FUNCTION_PARAM_PASSTHRU, TTFTEXT_DRAW, 1); } /* }}} */ #endif /* HAVE_GD_FREETYPE && HAVE_LIBFREETYPE */ /* {{{ proto array imagettfbbox(float size, float angle, string font_file, string text) Give the bounding box of a text using TrueType fonts */ PHP_FUNCTION(imagettfbbox) { php_imagettftext_common(INTERNAL_FUNCTION_PARAM_PASSTHRU, TTFTEXT_BBOX, 0); } /* }}} */ /* {{{ proto array imagettftext(resource im, float size, float angle, int x, int y, int col, string font_file, string text) Write text to the image using a TrueType font */ PHP_FUNCTION(imagettftext) { php_imagettftext_common(INTERNAL_FUNCTION_PARAM_PASSTHRU, TTFTEXT_DRAW, 0); } /* }}} */ /* {{{ php_imagettftext_common */ static void php_imagettftext_common(INTERNAL_FUNCTION_PARAMETERS, int mode, int extended) { zval *IM, *EXT = NULL; gdImagePtr im=NULL; zend_long col = -1, x = 0, y = 0; size_t str_len, fontname_len; int i, brect[8]; double ptsize, angle; char *str = NULL, *fontname = NULL; char *error = NULL; int argc = ZEND_NUM_ARGS(); gdFTStringExtra strex = {0}; if (mode == TTFTEXT_BBOX) { if (argc < 4 || argc > ((extended) ? 5 : 4)) { ZEND_WRONG_PARAM_COUNT(); } else if (zend_parse_parameters(argc, "ddss|a", &ptsize, &angle, &fontname, &fontname_len, &str, &str_len, &EXT) == FAILURE) { RETURN_FALSE; } } else { if (argc < 8 || argc > ((extended) ? 9 : 8)) { ZEND_WRONG_PARAM_COUNT(); } else if (zend_parse_parameters(argc, "rddlllss|a", &IM, &ptsize, &angle, &x, &y, &col, &fontname, &fontname_len, &str, &str_len, &EXT) == FAILURE) { RETURN_FALSE; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } } /* convert angle to radians */ angle = angle * (M_PI/180); if (extended && EXT) { /* parse extended info */ zval *item; zend_string *key; /* walk the assoc array */ ZEND_HASH_FOREACH_STR_KEY_VAL(Z_ARRVAL_P(EXT), key, item) { if (key == NULL) { continue; } if (strcmp("linespacing", ZSTR_VAL(key)) == 0) { strex.flags |= gdFTEX_LINESPACE; strex.linespacing = zval_get_double(item); } } ZEND_HASH_FOREACH_END(); } #ifdef VIRTUAL_DIR { char tmp_font_path[MAXPATHLEN]; if (!VCWD_REALPATH(fontname, tmp_font_path)) { fontname = NULL; } } #endif /* VIRTUAL_DIR */ PHP_GD_CHECK_OPEN_BASEDIR(fontname, "Invalid font filename"); #ifdef HAVE_GD_FREETYPE if (extended) { error = gdImageStringFTEx(im, brect, col, fontname, ptsize, angle, x, y, str, &strex); } else error = gdImageStringFT(im, brect, col, fontname, ptsize, angle, x, y, str); #endif /* HAVE_GD_FREETYPE */ if (error) { php_error_docref(NULL, E_WARNING, "%s", error); RETURN_FALSE; } array_init(return_value); /* return array with the text's bounding box */ for (i = 0; i < 8; i++) { add_next_index_long(return_value, brect[i]); } } /* }}} */ #endif /* ENABLE_GD_TTF */ /* {{{ proto bool image2wbmp(resource im [, string filename [, int threshold]]) Output WBMP image to browser or file */ PHP_FUNCTION(image2wbmp) { _php_image_output(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_CONVERT_WBM, "WBMP", _php_image_bw_convert); } /* }}} */ #if defined(HAVE_GD_JPG) /* {{{ proto bool jpeg2wbmp (string f_org, string f_dest, int d_height, int d_width, int threshold) Convert JPEG image to WBMP image */ PHP_FUNCTION(jpeg2wbmp) { _php_image_convert(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_JPG); } /* }}} */ #endif #if defined(HAVE_GD_PNG) /* {{{ proto bool png2wbmp (string f_org, string f_dest, int d_height, int d_width, int threshold) Convert PNG image to WBMP image */ PHP_FUNCTION(png2wbmp) { _php_image_convert(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_PNG); } /* }}} */ #endif /* {{{ _php_image_bw_convert * It converts a gd Image to bw using a threshold value */ static void _php_image_bw_convert(gdImagePtr im_org, gdIOCtx *out, int threshold) { gdImagePtr im_dest; int white, black; int color, color_org, median; int dest_height = gdImageSY(im_org); int dest_width = gdImageSX(im_org); int x, y; im_dest = gdImageCreate(dest_width, dest_height); if (im_dest == NULL) { php_error_docref(NULL, E_WARNING, "Unable to allocate temporary buffer"); return; } white = gdImageColorAllocate(im_dest, 255, 255, 255); if (white == -1) { php_error_docref(NULL, E_WARNING, "Unable to allocate the colors for the destination buffer"); return; } black = gdImageColorAllocate(im_dest, 0, 0, 0); if (black == -1) { php_error_docref(NULL, E_WARNING, "Unable to allocate the colors for the destination buffer"); return; } if (im_org->trueColor) { gdImageTrueColorToPalette(im_org, 1, 256); } for (y = 0; y < dest_height; y++) { for (x = 0; x < dest_width; x++) { color_org = gdImageGetPixel(im_org, x, y); median = (im_org->red[color_org] + im_org->green[color_org] + im_org->blue[color_org]) / 3; if (median < threshold) { color = black; } else { color = white; } gdImageSetPixel (im_dest, x, y, color); } } gdImageWBMPCtx (im_dest, black, out); } /* }}} */ /* {{{ _php_image_convert * _php_image_convert converts jpeg/png images to wbmp and resizes them as needed */ static void _php_image_convert(INTERNAL_FUNCTION_PARAMETERS, int image_type ) { char *f_org, *f_dest; size_t f_org_len, f_dest_len; zend_long height, width, threshold; gdImagePtr im_org, im_dest, im_tmp; char *fn_org = NULL; char *fn_dest = NULL; FILE *org, *dest; int dest_height = -1; int dest_width = -1; int org_height, org_width; int white, black; int color, color_org, median; int int_threshold; int x, y; float x_ratio, y_ratio; #ifdef HAVE_GD_JPG zend_long ignore_warning; #endif if (zend_parse_parameters(ZEND_NUM_ARGS(), "pplll", &f_org, &f_org_len, &f_dest, &f_dest_len, &height, &width, &threshold) == FAILURE) { return; } fn_org = f_org; fn_dest = f_dest; dest_height = height; dest_width = width; int_threshold = threshold; /* Check threshold value */ if (int_threshold < 0 || int_threshold > 8) { php_error_docref(NULL, E_WARNING, "Invalid threshold value '%d'", int_threshold); RETURN_FALSE; } /* Check origin file */ PHP_GD_CHECK_OPEN_BASEDIR(fn_org, "Invalid origin filename"); /* Check destination file */ PHP_GD_CHECK_OPEN_BASEDIR(fn_dest, "Invalid destination filename"); /* Open origin file */ org = VCWD_FOPEN(fn_org, "rb"); if (!org) { php_error_docref(NULL, E_WARNING, "Unable to open '%s' for reading", fn_org); RETURN_FALSE; } /* Open destination file */ dest = VCWD_FOPEN(fn_dest, "wb"); if (!dest) { php_error_docref(NULL, E_WARNING, "Unable to open '%s' for writing", fn_dest); fclose(org); RETURN_FALSE; } switch (image_type) { case PHP_GDIMG_TYPE_GIF: im_org = gdImageCreateFromGif(org); if (im_org == NULL) { php_error_docref(NULL, E_WARNING, "Unable to open '%s' Not a valid GIF file", fn_dest); fclose(org); fclose(dest); RETURN_FALSE; } break; #ifdef HAVE_GD_JPG case PHP_GDIMG_TYPE_JPG: ignore_warning = INI_INT("gd.jpeg_ignore_warning"); im_org = gdImageCreateFromJpegEx(org, ignore_warning); if (im_org == NULL) { php_error_docref(NULL, E_WARNING, "Unable to open '%s' Not a valid JPEG file", fn_dest); fclose(org); fclose(dest); RETURN_FALSE; } break; #endif /* HAVE_GD_JPG */ #ifdef HAVE_GD_PNG case PHP_GDIMG_TYPE_PNG: im_org = gdImageCreateFromPng(org); if (im_org == NULL) { php_error_docref(NULL, E_WARNING, "Unable to open '%s' Not a valid PNG file", fn_dest); fclose(org); fclose(dest); RETURN_FALSE; } break; #endif /* HAVE_GD_PNG */ default: php_error_docref(NULL, E_WARNING, "Format not supported"); fclose(org); fclose(dest); RETURN_FALSE; break; } fclose(org); org_width = gdImageSX (im_org); org_height = gdImageSY (im_org); x_ratio = (float) org_width / (float) dest_width; y_ratio = (float) org_height / (float) dest_height; if (x_ratio > 1 && y_ratio > 1) { if (y_ratio > x_ratio) { x_ratio = y_ratio; } else { y_ratio = x_ratio; } dest_width = (int) (org_width / x_ratio); dest_height = (int) (org_height / y_ratio); } else { x_ratio = (float) dest_width / (float) org_width; y_ratio = (float) dest_height / (float) org_height; if (y_ratio < x_ratio) { x_ratio = y_ratio; } else { y_ratio = x_ratio; } dest_width = (int) (org_width * x_ratio); dest_height = (int) (org_height * y_ratio); } im_tmp = gdImageCreate (dest_width, dest_height); if (im_tmp == NULL ) { php_error_docref(NULL, E_WARNING, "Unable to allocate temporary buffer"); fclose(dest); gdImageDestroy(im_org); RETURN_FALSE; } gdImageCopyResized (im_tmp, im_org, 0, 0, 0, 0, dest_width, dest_height, org_width, org_height); gdImageDestroy(im_org); im_dest = gdImageCreate(dest_width, dest_height); if (im_dest == NULL) { php_error_docref(NULL, E_WARNING, "Unable to allocate destination buffer"); fclose(dest); gdImageDestroy(im_tmp); RETURN_FALSE; } white = gdImageColorAllocate(im_dest, 255, 255, 255); if (white == -1) { php_error_docref(NULL, E_WARNING, "Unable to allocate the colors for the destination buffer"); fclose(dest); gdImageDestroy(im_tmp); gdImageDestroy(im_dest); RETURN_FALSE; } black = gdImageColorAllocate(im_dest, 0, 0, 0); if (black == -1) { php_error_docref(NULL, E_WARNING, "Unable to allocate the colors for the destination buffer"); fclose(dest); gdImageDestroy(im_tmp); gdImageDestroy(im_dest); RETURN_FALSE; } int_threshold = int_threshold * 32; for (y = 0; y < dest_height; y++) { for (x = 0; x < dest_width; x++) { color_org = gdImageGetPixel (im_tmp, x, y); median = (im_tmp->red[color_org] + im_tmp->green[color_org] + im_tmp->blue[color_org]) / 3; if (median < int_threshold) { color = black; } else { color = white; } gdImageSetPixel (im_dest, x, y, color); } } gdImageDestroy (im_tmp ); gdImageWBMP(im_dest, black , dest); fflush(dest); fclose(dest); gdImageDestroy(im_dest); RETURN_TRUE; } /* }}} */ /* Section Filters */ #define PHP_GD_SINGLE_RES \ zval *SIM; \ gdImagePtr im_src; \ if (zend_parse_parameters(1, "r", &SIM) == FAILURE) { \ RETURN_FALSE; \ } \ if ((im_src = (gdImagePtr)zend_fetch_resource(Z_RES_P(SIM), "Image", le_gd)) == NULL) { \ RETURN_FALSE; \ } static void php_image_filter_negate(INTERNAL_FUNCTION_PARAMETERS) { PHP_GD_SINGLE_RES if (gdImageNegate(im_src) == 1) { RETURN_TRUE; } RETURN_FALSE; } static void php_image_filter_grayscale(INTERNAL_FUNCTION_PARAMETERS) { PHP_GD_SINGLE_RES if (gdImageGrayScale(im_src) == 1) { RETURN_TRUE; } RETURN_FALSE; } static void php_image_filter_brightness(INTERNAL_FUNCTION_PARAMETERS) { zval *SIM; gdImagePtr im_src; zend_long brightness, tmp; if (zend_parse_parameters(ZEND_NUM_ARGS(), "zll", &SIM, &tmp, &brightness) == FAILURE) { RETURN_FALSE; } if ((im_src = (gdImagePtr)zend_fetch_resource(Z_RES_P(SIM), "Image", le_gd)) == NULL) { RETURN_FALSE; } if (im_src == NULL) { RETURN_FALSE; } if (gdImageBrightness(im_src, (int)brightness) == 1) { RETURN_TRUE; } RETURN_FALSE; } static void php_image_filter_contrast(INTERNAL_FUNCTION_PARAMETERS) { zval *SIM; gdImagePtr im_src; zend_long contrast, tmp; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rll", &SIM, &tmp, &contrast) == FAILURE) { RETURN_FALSE; } if ((im_src = (gdImagePtr)zend_fetch_resource(Z_RES_P(SIM), "Image", le_gd)) == NULL) { RETURN_FALSE; } if (im_src == NULL) { RETURN_FALSE; } if (gdImageContrast(im_src, (int)contrast) == 1) { RETURN_TRUE; } RETURN_FALSE; } static void php_image_filter_colorize(INTERNAL_FUNCTION_PARAMETERS) { zval *SIM; gdImagePtr im_src; zend_long r,g,b,tmp; zend_long a = 0; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rllll|l", &SIM, &tmp, &r, &g, &b, &a) == FAILURE) { RETURN_FALSE; } if ((im_src = (gdImagePtr)zend_fetch_resource(Z_RES_P(SIM), "Image", le_gd)) == NULL) { RETURN_FALSE; } if (im_src == NULL) { RETURN_FALSE; } if (gdImageColor(im_src, (int) r, (int) g, (int) b, (int) a) == 1) { RETURN_TRUE; } RETURN_FALSE; } static void php_image_filter_edgedetect(INTERNAL_FUNCTION_PARAMETERS) { PHP_GD_SINGLE_RES if (gdImageEdgeDetectQuick(im_src) == 1) { RETURN_TRUE; } RETURN_FALSE; } static void php_image_filter_emboss(INTERNAL_FUNCTION_PARAMETERS) { PHP_GD_SINGLE_RES if (gdImageEmboss(im_src) == 1) { RETURN_TRUE; } RETURN_FALSE; } static void php_image_filter_gaussian_blur(INTERNAL_FUNCTION_PARAMETERS) { PHP_GD_SINGLE_RES if (gdImageGaussianBlur(im_src) == 1) { RETURN_TRUE; } RETURN_FALSE; } static void php_image_filter_selective_blur(INTERNAL_FUNCTION_PARAMETERS) { PHP_GD_SINGLE_RES if (gdImageSelectiveBlur(im_src) == 1) { RETURN_TRUE; } RETURN_FALSE; } static void php_image_filter_mean_removal(INTERNAL_FUNCTION_PARAMETERS) { PHP_GD_SINGLE_RES if (gdImageMeanRemoval(im_src) == 1) { RETURN_TRUE; } RETURN_FALSE; } static void php_image_filter_smooth(INTERNAL_FUNCTION_PARAMETERS) { zval *SIM; zend_long tmp; gdImagePtr im_src; double weight; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rld", &SIM, &tmp, &weight) == FAILURE) { RETURN_FALSE; } if ((im_src = (gdImagePtr)zend_fetch_resource(Z_RES_P(SIM), "Image", le_gd)) == NULL) { RETURN_FALSE; } if (im_src == NULL) { RETURN_FALSE; } if (gdImageSmooth(im_src, (float)weight)==1) { RETURN_TRUE; } RETURN_FALSE; } static void php_image_filter_pixelate(INTERNAL_FUNCTION_PARAMETERS) { zval *IM; gdImagePtr im; zend_long tmp, blocksize; zend_bool mode = 0; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rll|b", &IM, &tmp, &blocksize, &mode) == FAILURE) { RETURN_FALSE; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } if (im == NULL) { RETURN_FALSE; } if (gdImagePixelate(im, (int) blocksize, (const unsigned int) mode)) { RETURN_TRUE; } RETURN_FALSE; } /* {{{ proto bool imagefilter(resource src_im, int filtertype[, int arg1 [, int arg2 [, int arg3 [, int arg4 ]]]] ) Applies Filter an image using a custom angle */ PHP_FUNCTION(imagefilter) { zval *tmp; typedef void (*image_filter)(INTERNAL_FUNCTION_PARAMETERS); zend_long filtertype; image_filter filters[] = { php_image_filter_negate , php_image_filter_grayscale, php_image_filter_brightness, php_image_filter_contrast, php_image_filter_colorize, php_image_filter_edgedetect, php_image_filter_emboss, php_image_filter_gaussian_blur, php_image_filter_selective_blur, php_image_filter_mean_removal, php_image_filter_smooth, php_image_filter_pixelate }; if (ZEND_NUM_ARGS() < 2 || ZEND_NUM_ARGS() > IMAGE_FILTER_MAX_ARGS) { WRONG_PARAM_COUNT; } else if (zend_parse_parameters(2, "rl", &tmp, &filtertype) == FAILURE) { return; } if (filtertype >= 0 && filtertype <= IMAGE_FILTER_MAX) { filters[filtertype](INTERNAL_FUNCTION_PARAM_PASSTHRU); } } /* }}} */ /* {{{ proto resource imageconvolution(resource src_im, array matrix3x3, double div, double offset) Apply a 3x3 convolution matrix, using coefficient div and offset */ PHP_FUNCTION(imageconvolution) { zval *SIM, *hash_matrix; zval *var = NULL, *var2 = NULL; gdImagePtr im_src = NULL; double div, offset; int nelem, i, j, res; float matrix[3][3] = {{0,0,0}, {0,0,0}, {0,0,0}}; if (zend_parse_parameters(ZEND_NUM_ARGS(), "radd", &SIM, &hash_matrix, &div, &offset) == FAILURE) { RETURN_FALSE; } if ((im_src = (gdImagePtr)zend_fetch_resource(Z_RES_P(SIM), "Image", le_gd)) == NULL) { RETURN_FALSE; } nelem = zend_hash_num_elements(Z_ARRVAL_P(hash_matrix)); if (nelem != 3) { php_error_docref(NULL, E_WARNING, "You must have 3x3 array"); RETURN_FALSE; } for (i=0; i<3; i++) { if ((var = zend_hash_index_find(Z_ARRVAL_P(hash_matrix), (i))) != NULL && Z_TYPE_P(var) == IS_ARRAY) { if (zend_hash_num_elements(Z_ARRVAL_P(var)) != 3 ) { php_error_docref(NULL, E_WARNING, "You must have 3x3 array"); RETURN_FALSE; } for (j=0; j<3; j++) { if ((var2 = zend_hash_index_find(Z_ARRVAL_P(var), j)) != NULL) { matrix[i][j] = (float) zval_get_double(var2); } else { php_error_docref(NULL, E_WARNING, "You must have a 3x3 matrix"); RETURN_FALSE; } } } } res = gdImageConvolution(im_src, matrix, (float)div, (float)offset); if (res) { RETURN_TRUE; } else { RETURN_FALSE; } } /* }}} */ /* End section: Filters */ /* {{{ proto void imageflip(resource im, int mode) Flip an image (in place) horizontally, vertically or both directions. */ PHP_FUNCTION(imageflip) { zval *IM; zend_long mode; gdImagePtr im; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rl", &IM, &mode) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } switch (mode) { case GD_FLIP_VERTICAL: gdImageFlipVertical(im); break; case GD_FLIP_HORINZONTAL: gdImageFlipHorizontal(im); break; case GD_FLIP_BOTH: gdImageFlipBoth(im); break; default: php_error_docref(NULL, E_WARNING, "Unknown flip mode"); RETURN_FALSE; } RETURN_TRUE; } /* }}} */ #ifdef HAVE_GD_BUNDLED /* {{{ proto bool imageantialias(resource im, bool on) Should antialiased functions used or not*/ PHP_FUNCTION(imageantialias) { zval *IM; zend_bool alias; gdImagePtr im; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rb", &IM, &alias) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } gdImageAntialias(im, alias); RETURN_TRUE; } /* }}} */ #endif /* {{{ proto void imagecrop(resource im, array rect) Crop an image using the given coordinates and size, x, y, width and height. */ PHP_FUNCTION(imagecrop) { zval *IM; gdImagePtr im; gdImagePtr im_crop; gdRect rect; zval *z_rect; zval *tmp; if (zend_parse_parameters(ZEND_NUM_ARGS(), "ra", &IM, &z_rect) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } if ((tmp = zend_hash_str_find(Z_ARRVAL_P(z_rect), "x", sizeof("x") -1)) != NULL) { rect.x = zval_get_long(tmp); } else { php_error_docref(NULL, E_WARNING, "Missing x position"); RETURN_FALSE; } if ((tmp = zend_hash_str_find(Z_ARRVAL_P(z_rect), "y", sizeof("y") - 1)) != NULL) { rect.y = zval_get_long(tmp); } else { php_error_docref(NULL, E_WARNING, "Missing y position"); RETURN_FALSE; } if ((tmp = zend_hash_str_find(Z_ARRVAL_P(z_rect), "width", sizeof("width") - 1)) != NULL) { rect.width = zval_get_long(tmp); } else { php_error_docref(NULL, E_WARNING, "Missing width"); RETURN_FALSE; } if ((tmp = zend_hash_str_find(Z_ARRVAL_P(z_rect), "height", sizeof("height") - 1)) != NULL) { rect.height = zval_get_long(tmp); } else { php_error_docref(NULL, E_WARNING, "Missing height"); RETURN_FALSE; } im_crop = gdImageCrop(im, &rect); if (im_crop == NULL) { RETURN_FALSE; } else { RETURN_RES(zend_register_resource(im_crop, le_gd)); } } /* }}} */ /* {{{ proto void imagecropauto(resource im [, int mode [, float threshold [, int color]]]) Crop an image automatically using one of the available modes. */ PHP_FUNCTION(imagecropauto) { zval *IM; zend_long mode = -1; zend_long color = -1; double threshold = 0.5f; gdImagePtr im; gdImagePtr im_crop; if (zend_parse_parameters(ZEND_NUM_ARGS(), "r|ldl", &IM, &mode, &threshold, &color) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } switch (mode) { case -1: mode = GD_CROP_DEFAULT; case GD_CROP_DEFAULT: case GD_CROP_TRANSPARENT: case GD_CROP_BLACK: case GD_CROP_WHITE: case GD_CROP_SIDES: im_crop = gdImageCropAuto(im, mode); break; case GD_CROP_THRESHOLD: if (color < 0 || (!gdImageTrueColor(im) && color >= gdImageColorsTotal(im))) { php_error_docref(NULL, E_WARNING, "Color argument missing with threshold mode"); RETURN_FALSE; } im_crop = gdImageCropThreshold(im, color, (float) threshold); break; default: php_error_docref(NULL, E_WARNING, "Unknown crop mode"); RETURN_FALSE; } if (im_crop == NULL) { RETURN_FALSE; } else { RETURN_RES(zend_register_resource(im_crop, le_gd)); } } /* }}} */ /* {{{ proto resource imagescale(resource im, int new_width[, int new_height[, int method]]) Scale an image using the given new width and height. */ PHP_FUNCTION(imagescale) { zval *IM; gdImagePtr im; gdImagePtr im_scaled = NULL; int new_width, new_height; zend_long tmp_w, tmp_h=-1, tmp_m = GD_BILINEAR_FIXED; gdInterpolationMethod method, old_method; if (zend_parse_parameters(ZEND_NUM_ARGS(), "rl|ll", &IM, &tmp_w, &tmp_h, &tmp_m) == FAILURE) { return; } method = tmp_m; if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } if (tmp_h < 0) { /* preserve ratio */ long src_x, src_y; src_x = gdImageSX(im); src_y = gdImageSY(im); if (src_x) { tmp_h = tmp_w * src_y / src_x; } } if (tmp_h <= 0 || tmp_w <= 0) { RETURN_FALSE; } new_width = tmp_w; new_height = tmp_h; /* gdImageGetInterpolationMethod() is only available as of GD 2.1.1 */ old_method = im->interpolation_id; if (gdImageSetInterpolationMethod(im, method)) { im_scaled = gdImageScale(im, new_width, new_height); } gdImageSetInterpolationMethod(im, old_method); if (im_scaled == NULL) { RETURN_FALSE; } else { RETURN_RES(zend_register_resource(im_scaled, le_gd)); } } /* }}} */ /* {{{ proto resource imageaffine(resource src, array affine[, array clip]) Return an image containing the affine tramsformed src image, using an optional clipping area */ PHP_FUNCTION(imageaffine) { zval *IM; gdImagePtr src; gdImagePtr dst; gdRect rect; gdRectPtr pRect = NULL; zval *z_rect = NULL; zval *z_affine; zval *tmp; double affine[6]; int i, nelems; zval *zval_affine_elem = NULL; if (zend_parse_parameters(ZEND_NUM_ARGS(), "ra|a", &IM, &z_affine, &z_rect) == FAILURE) { return; } if ((src = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } if ((nelems = zend_hash_num_elements(Z_ARRVAL_P(z_affine))) != 6) { php_error_docref(NULL, E_WARNING, "Affine array must have six elements"); RETURN_FALSE; } for (i = 0; i < nelems; i++) { if ((zval_affine_elem = zend_hash_index_find(Z_ARRVAL_P(z_affine), i)) != NULL) { switch (Z_TYPE_P(zval_affine_elem)) { case IS_LONG: affine[i] = Z_LVAL_P(zval_affine_elem); break; case IS_DOUBLE: affine[i] = Z_DVAL_P(zval_affine_elem); break; case IS_STRING: affine[i] = zval_get_double(zval_affine_elem); break; default: php_error_docref(NULL, E_WARNING, "Invalid type for element %i", i); RETURN_FALSE; } } } if (z_rect != NULL) { if ((tmp = zend_hash_str_find(Z_ARRVAL_P(z_rect), "x", sizeof("x") - 1)) != NULL) { rect.x = zval_get_long(tmp); } else { php_error_docref(NULL, E_WARNING, "Missing x position"); RETURN_FALSE; } if ((tmp = zend_hash_str_find(Z_ARRVAL_P(z_rect), "y", sizeof("y") - 1)) != NULL) { rect.y = zval_get_long(tmp); } else { php_error_docref(NULL, E_WARNING, "Missing y position"); RETURN_FALSE; } if ((tmp = zend_hash_str_find(Z_ARRVAL_P(z_rect), "width", sizeof("width") - 1)) != NULL) { rect.width = zval_get_long(tmp); } else { php_error_docref(NULL, E_WARNING, "Missing width"); RETURN_FALSE; } if ((tmp = zend_hash_str_find(Z_ARRVAL_P(z_rect), "height", sizeof("height") - 1)) != NULL) { rect.height = zval_get_long(tmp); } else { php_error_docref(NULL, E_WARNING, "Missing height"); RETURN_FALSE; } pRect = ▭ } else { rect.x = -1; rect.y = -1; rect.width = gdImageSX(src); rect.height = gdImageSY(src); pRect = NULL; } if (gdTransformAffineGetImage(&dst, src, pRect, affine) != GD_TRUE) { RETURN_FALSE; } if (dst == NULL) { RETURN_FALSE; } else { RETURN_RES(zend_register_resource(dst, le_gd)); } } /* }}} */ /* {{{ proto array imageaffinematrixget(int type[, array options]) Return an image containing the affine tramsformed src image, using an optional clipping area */ PHP_FUNCTION(imageaffinematrixget) { double affine[6]; zend_long type; zval *options = NULL; zval *tmp; int res = GD_FALSE, i; if (zend_parse_parameters(ZEND_NUM_ARGS(), "l|z", &type, &options) == FAILURE) { return; } switch((gdAffineStandardMatrix)type) { case GD_AFFINE_TRANSLATE: case GD_AFFINE_SCALE: { double x, y; if (!options || Z_TYPE_P(options) != IS_ARRAY) { php_error_docref(NULL, E_WARNING, "Array expected as options"); RETURN_FALSE; } if ((tmp = zend_hash_str_find(Z_ARRVAL_P(options), "x", sizeof("x") - 1)) != NULL) { x = zval_get_double(tmp); } else { php_error_docref(NULL, E_WARNING, "Missing x position"); RETURN_FALSE; } if ((tmp = zend_hash_str_find(Z_ARRVAL_P(options), "y", sizeof("y") - 1)) != NULL) { y = zval_get_double(tmp); } else { php_error_docref(NULL, E_WARNING, "Missing y position"); RETURN_FALSE; } if (type == GD_AFFINE_TRANSLATE) { res = gdAffineTranslate(affine, x, y); } else { res = gdAffineScale(affine, x, y); } break; } case GD_AFFINE_ROTATE: case GD_AFFINE_SHEAR_HORIZONTAL: case GD_AFFINE_SHEAR_VERTICAL: { double angle; if (!options) { php_error_docref(NULL, E_WARNING, "Number is expected as option"); RETURN_FALSE; } angle = zval_get_double(options); if (type == GD_AFFINE_SHEAR_HORIZONTAL) { res = gdAffineShearHorizontal(affine, angle); } else if (type == GD_AFFINE_SHEAR_VERTICAL) { res = gdAffineShearVertical(affine, angle); } else { res = gdAffineRotate(affine, angle); } break; } default: php_error_docref(NULL, E_WARNING, "Invalid type for element %li", type); RETURN_FALSE; } if (res == GD_FALSE) { RETURN_FALSE; } else { array_init(return_value); for (i = 0; i < 6; i++) { add_index_double(return_value, i, affine[i]); } } } /* }}} */ /* {{{ proto array imageaffineconcat(array m1, array m2) Concat two matrices (as in doing many ops in one go) */ PHP_FUNCTION(imageaffinematrixconcat) { double m1[6]; double m2[6]; double mr[6]; zval *tmp; zval *z_m1; zval *z_m2; int i, nelems; if (zend_parse_parameters(ZEND_NUM_ARGS(), "aa", &z_m1, &z_m2) == FAILURE) { return; } if (((nelems = zend_hash_num_elements(Z_ARRVAL_P(z_m1))) != 6) || (nelems = zend_hash_num_elements(Z_ARRVAL_P(z_m2))) != 6) { php_error_docref(NULL, E_WARNING, "Affine arrays must have six elements"); RETURN_FALSE; } for (i = 0; i < 6; i++) { if ((tmp = zend_hash_index_find(Z_ARRVAL_P(z_m1), i)) != NULL) { switch (Z_TYPE_P(tmp)) { case IS_LONG: m1[i] = Z_LVAL_P(tmp); break; case IS_DOUBLE: m1[i] = Z_DVAL_P(tmp); break; case IS_STRING: m1[i] = zval_get_double(tmp); break; default: php_error_docref(NULL, E_WARNING, "Invalid type for element %i", i); RETURN_FALSE; } } if ((tmp = zend_hash_index_find(Z_ARRVAL_P(z_m2), i)) != NULL) { switch (Z_TYPE_P(tmp)) { case IS_LONG: m2[i] = Z_LVAL_P(tmp); break; case IS_DOUBLE: m2[i] = Z_DVAL_P(tmp); break; case IS_STRING: m2[i] = zval_get_double(tmp); break; default: php_error_docref(NULL, E_WARNING, "Invalid type for element %i", i); RETURN_FALSE; } } } if (gdAffineConcat (mr, m1, m2) != GD_TRUE) { RETURN_FALSE; } array_init(return_value); for (i = 0; i < 6; i++) { add_index_double(return_value, i, mr[i]); } } /* }}} */ /* {{{ proto resource imagesetinterpolation(resource im [, int method]]) Set the default interpolation method, passing -1 or 0 sets it to the libgd default (bilinear). */ PHP_FUNCTION(imagesetinterpolation) { zval *IM; gdImagePtr im; zend_long method = GD_BILINEAR_FIXED; if (zend_parse_parameters(ZEND_NUM_ARGS(), "r|l", &IM, &method) == FAILURE) { return; } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(IM), "Image", le_gd)) == NULL) { RETURN_FALSE; } if (method == -1) { method = GD_BILINEAR_FIXED; } RETURN_BOOL(gdImageSetInterpolationMethod(im, (gdInterpolationMethod) method)); } /* }}} */ /* * Local variables: * tab-width: 4 * c-basic-offset: 4 * End: * vim600: sw=4 ts=4 fdm=marker * vim<600: sw=4 ts=4 */