summaryrefslogtreecommitdiff
path: root/ext/gd/gd.c
diff options
context:
space:
mode:
Diffstat (limited to 'ext/gd/gd.c')
-rw-r--r--ext/gd/gd.c2529
1 files changed, 0 insertions, 2529 deletions
diff --git a/ext/gd/gd.c b/ext/gd/gd.c
deleted file mode 100644
index 3585407390..0000000000
--- a/ext/gd/gd.c
+++ /dev/null
@@ -1,2529 +0,0 @@
-/*
- +----------------------------------------------------------------------+
- | PHP version 4.0 |
- +----------------------------------------------------------------------+
- | Copyright (c) 1997, 1998, 1999, 2000 The PHP Group |
- +----------------------------------------------------------------------+
- | This source file is subject to version 2.02 of the PHP license, |
- | that is bundled with this package in the file LICENSE, and is |
- | available at through the world-wide-web at |
- | http://www.php.net/license/2_02.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 <rasmus@lerdorf.on.ca> |
- | Stig Bakken <ssb@guardian.no> |
- | Jim Winstead <jimw@php.net> |
- +----------------------------------------------------------------------+
- */
-
-/* $Id$ */
-
-/* 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 */
-
-#include "php.h"
-#include "ext/standard/head.h"
-#include <math.h>
-#include "SAPI.h"
-#include "php_gd.h"
-
-#if HAVE_SYS_WAIT_H
-# include <sys/wait.h>
-#endif
-#if HAVE_UNISTD_H
-# include <unistd.h>
-#endif
-#ifdef PHP_WIN32
-# include <io.h>
-# include <fcntl.h>
-#endif
-
-#if HAVE_LIBGD
-
-#include "ext/standard/info.h"
-
-#include <gd.h>
-#include <gdfontt.h> /* 1 Tiny font */
-#include <gdfonts.h> /* 2 Small font */
-#include <gdfontmb.h> /* 3 Medium bold font */
-#include <gdfontl.h> /* 4 Large font */
-#include <gdfontg.h> /* 5 Giant font */
-#ifdef ENABLE_GD_TTF
-# include "gdttf.h"
-#endif
-
-#ifndef M_PI
-#define M_PI 3.14159265358979323846
-#endif
-
-#ifdef ENABLE_GD_TTF
-static void php_imagettftext_common(INTERNAL_FUNCTION_PARAMETERS, int);
-#endif
-
-#ifdef THREAD_SAFE
-DWORD GDlibTls;
-static int numthreads=0;
-void *gdlib_mutex=NULL;
-
-/*
-typedef struct gdlib_global_struct{
- int le_gd;
- int le_gd_font;
-#if HAVE_LIBT1
- int le_ps_font;
- int le_ps_enc;
-#endif
-} gdlib_global_struct;
-
-# define GD_GLOBAL(a) gdlib_globals->a
-# define GD_TLS_VARS gdlib_global_struct *gdlib_globals = TlsGetValue(GDlibTls);
-
-#else
-# define GD_GLOBAL(a) a
-# define GD_TLS_VARS
-int le_gd;
-int le_gd_font;
-#if HAVE_LIBT1
-int le_ps_font;
-int le_ps_enc;
-#endif
-*/
-#endif
-
-function_entry gd_functions[] = {
- PHP_FE(imagearc, NULL)
- PHP_FE(imagechar, NULL)
- PHP_FE(imagecharup, NULL)
- PHP_FE(imagecolorallocate, NULL)
- PHP_FE(imagepalettecopy, NULL)
- PHP_FE(imagecolorat, NULL)
- PHP_FE(imagecolorclosest, NULL)
- PHP_FE(imagecolorclosesthwb, NULL)
- PHP_FE(imagecolordeallocate, NULL)
- PHP_FE(imagecolorresolve, NULL)
- PHP_FE(imagecolorexact, NULL)
- PHP_FE(imagecolorset, NULL)
- PHP_FE(imagecolortransparent, NULL)
- PHP_FE(imagecolorstotal, NULL)
- PHP_FE(imagecolorsforindex, NULL)
- PHP_FE(imagecopy, NULL)
- PHP_FE(imagecopymerge, NULL)
- PHP_FE(imagecopyresized, NULL)
- PHP_FE(imagecreate, NULL)
- PHP_FE(imagecreatefrompng, NULL)
- PHP_FE(imagepng, NULL)
- PHP_FE(imagecreatefromgif, NULL)
- PHP_FE(imagegif, NULL)
- PHP_FE(imagecreatefromjpeg, NULL)
- PHP_FE(imagejpeg, NULL)
- PHP_FE(imagecreatefromwbmp, NULL)
- PHP_FE(imagewbmp, NULL)
- PHP_FE(imagecreatefromxbm, NULL)
- PHP_FE(imagecreatefromxpm, NULL)
- PHP_FE(imagedestroy, NULL)
- PHP_FE(imagegammacorrect, NULL)
- PHP_FE(imagefill, NULL)
- PHP_FE(imagefilledpolygon, NULL)
- PHP_FE(imagefilledrectangle, NULL)
- PHP_FE(imagefilltoborder, NULL)
- PHP_FE(imagefontwidth, NULL)
- PHP_FE(imagefontheight, NULL)
- PHP_FE(imageinterlace, NULL)
- PHP_FE(imageline, NULL)
- PHP_FE(imageloadfont, NULL)
- PHP_FE(imagepolygon, NULL)
- PHP_FE(imagerectangle, NULL)
- PHP_FE(imagesetpixel, NULL)
- PHP_FE(imagestring, NULL)
- PHP_FE(imagestringup, NULL)
- PHP_FE(imagesx, NULL)
- PHP_FE(imagesy, NULL)
- PHP_FE(imagedashedline, NULL)
- PHP_FE(imagettfbbox, NULL)
- PHP_FE(imagettftext, NULL)
- PHP_FE(imagepsloadfont, NULL)
- /*
- PHP_FE(imagepscopyfont, NULL)
- */
- PHP_FE(imagepsfreefont, NULL)
- PHP_FE(imagepsencodefont, NULL)
- PHP_FE(imagepsextendfont, NULL)
- PHP_FE(imagepsslantfont, NULL)
- PHP_FE(imagepstext, NULL)
- PHP_FE(imagepsbbox, NULL)
- PHP_FE(imagetypes, NULL)
- {NULL, NULL, NULL}
-};
-
-zend_module_entry gd_module_entry = {
- "gd", gd_functions, PHP_MINIT(gd), NULL, NULL, NULL, PHP_MINFO(gd), STANDARD_MODULE_PROPERTIES
-};
-
-#ifdef ZTS
-int gd_globals_id;
-#else
-static php_gd_globals gd_globals;
-#endif
-
-#ifdef COMPILE_DL_GD
-ZEND_GET_MODULE(gd)
-#endif
-
-
-static void php_free_gd_font(gdFontPtr fp)
-{
- if (fp->data) {
- efree(fp->data);
- }
- efree(fp);
-}
-
-
-
-PHP_MINIT_FUNCTION(gd)
-{
- GDLS_FETCH();
-
-#if defined(THREAD_SAFE)
- gdlib_global_struct *gdlib_globals;
- PHP_MUTEX_ALLOC(gdlib_mutex);
- PHP_MUTEX_LOCK(gdlib_mutex);
- numthreads++;
- if (numthreads==1){
- if (!PHP3_TLS_PROC_STARTUP(GDlibTls)){
- PHP_MUTEX_UNLOCK(gdlib_mutex);
- PHP_MUTEX_FREE(gdlib_mutex);
- return FAILURE;
- }
- }
- PHP_MUTEX_UNLOCK(gdlib_mutex);
- if(!PHP3_TLS_THREAD_INIT(GDlibTls,gdlib_globals,gdlib_global_struct)){
- PHP_MUTEX_FREE(gdlib_mutex);
- return FAILURE;
- }
-#endif
- GDG(le_gd) = register_list_destructors(gdImageDestroy, NULL);
- GDG(le_gd_font) = register_list_destructors(php_free_gd_font, NULL);
-#if HAVE_LIBT1
- T1_SetBitmapPad(8);
- T1_InitLib(NO_LOGFILE|IGNORE_CONFIGFILE|IGNORE_FONTDATABASE);
- T1_SetLogLevel(T1LOG_DEBUG);
- GDG(le_ps_font) = register_list_destructors(php_free_ps_font, NULL);
- GDG(le_ps_enc) = register_list_destructors(php_free_ps_enc, NULL);
-#endif
- 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);
- return SUCCESS;
-}
-
-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 HAVE_GDIMAGECOLORRESOLVE
- php_info_print_table_row(2, "GD Version", "1.6.2 or higher");
-#elif HAVE_LIBGD13
- php_info_print_table_row(2, "GD Version", "between 1.3 and 1.6.1");
-#else
- php_info_print_table_row(2, "GD Version", "1.2");
-#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");
-#elif HAVE_LIBTTF
- php_info_print_table_row(2, "FreeType Linkage", "with TTF library");
-#else
- php_info_print_table_row(2, "FreeType Linkage", "with unknown library");
-#endif
-#endif
-
-#ifdef HAVE_LIBT1
- php_info_print_table_row(2, "T1Lib Support", "enabled");
-#endif
-
-/* this next part is stupid ... if I knew better, I'd put them all on one row (cmv) */
-
-#ifdef HAVE_GD_GIF
- php_info_print_table_row(2, "GIF Support", "enabled");
-#endif
-#ifdef HAVE_GD_PNG
- php_info_print_table_row(2, "PNG Support", "enabled");
-#endif
-#ifdef HAVE_GD_JPG
- php_info_print_table_row(2, "JPG Support", "enabled");
-#endif
-#ifdef HAVE_GD_WBMP
- php_info_print_table_row(2, "WBMP Support", "enabled");
-#endif
- php_info_print_table_end();
-}
-
-/* Need this for cpdf. See also comment in file.c php3i_get_le_fp() */
-PHPAPI int phpi_get_le_gd(void)
-{
- GDLS_FETCH();
-
- return GDG(le_gd);
-}
-
-#ifndef HAVE_GDIMAGECOLORRESOLVE
-
-/********************************************************************/
-/* gdImageColorResolve is a replacement for the old fragment: */
-/* */
-/* if ((color=gdImageColorExact(im,R,G,B)) < 0) */
-/* if ((color=gdImageColorAllocate(im,R,G,B)) < 0) */
-/* color=gdImageColorClosest(im,R,G,B); */
-/* */
-/* in a single function */
-
-int
-gdImageColorResolve(gdImagePtr im, int r, int g, int b)
-{
- int c;
- int ct = -1;
- int op = -1;
- long rd, gd, bd, dist;
- long mindist = 3*255*255; /* init to max poss dist */
-
- for (c = 0; c < im->colorsTotal; c++) {
- if (im->open[c]) {
- op = c; /* Save open slot */
- continue; /* Color not in use */
- }
- rd = (long)(im->red [c] - r);
- gd = (long)(im->green[c] - g);
- bd = (long)(im->blue [c] - b);
- dist = rd * rd + gd * gd + bd * bd;
- if (dist < mindist) {
- if (dist == 0) {
- return c; /* Return exact match color */
- }
- mindist = dist;
- ct = c;
- }
- }
- /* no exact match. We now know closest, but first try to allocate exact */
- if (op == -1) {
- op = im->colorsTotal;
- if (op == gdMaxColors) { /* No room for more colors */
- return ct; /* Return closest available color */
- }
- im->colorsTotal++;
- }
- im->red [op] = r;
- im->green[op] = g;
- im->blue [op] = b;
- im->open [op] = 0;
- return op; /* Return newly allocated color */
-}
-
-#endif
-
-/* {{{ proto int imageloadfont(string filename)
- Load a new font */
-PHP_FUNCTION(imageloadfont) {
- zval **file;
- int hdr_size = sizeof(gdFont) - sizeof(char *);
- int ind, body_size, n=0, b;
- gdFontPtr font;
- FILE *fp;
- int issock=0, socketd=0;
- GDLS_FETCH();
-
-
- if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &file) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
-
- convert_to_string_ex(file);
-
-#ifdef PHP_WIN32
- fp = V_FOPEN((*file)->value.str.val, "rb");
-#else
- fp = php_fopen_wrapper((*file)->value.str.val, "r", IGNORE_PATH|IGNORE_URL_WIN, &issock, &socketd, NULL);
-#endif
- if (fp == NULL) {
- php_error(E_WARNING, "ImageFontLoad: unable to open file");
- 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 = fread(&font[b], 1, hdr_size - b, fp)))
- b += n;
- if (!n) {
- fclose(fp);
- efree(font);
- if (feof(fp)) {
- php_error(E_WARNING, "ImageFontLoad: end of file while reading header");
- } else {
- php_error(E_WARNING, "ImageFontLoad: error while reading header");
- }
- RETURN_FALSE;
- }
- body_size = font->w * font->h * font->nchars;
- font->data = emalloc(body_size);
- b = 0;
- while (b < body_size && (n = fread(&font->data[b], 1, body_size - b, fp)))
- b += n;
- if (!n) {
- fclose(fp);
- efree(font->data);
- efree(font);
- if (feof(fp)) {
- php_error(E_WARNING, "ImageFontLoad: end of file while reading body");
- } else {
- php_error(E_WARNING, "ImageFontLoad: error while reading body");
- }
- RETURN_FALSE;
- }
- fclose(fp);
-
- /* 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.
- */
- ind = 5 + zend_list_insert(font, GDG(le_gd_font));
-
- RETURN_LONG(ind);
-}
-/* }}} */
-
-/* {{{ proto int imagecreate(int x_size, int y_size)
- Create a new image */
-PHP_FUNCTION(imagecreate)
-{
- zval **x_size, **y_size;
- gdImagePtr im;
- GDLS_FETCH();
-
- if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &x_size, &y_size) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
-
- convert_to_long_ex(x_size);
- convert_to_long_ex(y_size);
-
- im = gdImageCreate((*x_size)->value.lval, (*y_size)->value.lval);
-
- ZEND_REGISTER_RESOURCE(return_value, im, GDG(le_gd));
-}
-/* }}} */
-
-/* {{{ proto int imagetypes(void)
- Return the types of images supported in a bitfield - 1=gif, 2=jpeg, 4=png, 8=wbmp */
-PHP_FUNCTION(imagetypes)
-{
- int ret=0;
-#ifdef HAVE_GD_GIF
- ret = 1;
-#endif
-#ifdef HAVE_GD_JPG
- ret |= 2;
-#endif
-#ifdef HAVE_GD_PNG
- ret |= 4;
-#endif
-#ifdef HAVE_GD_WBMP
- ret |= 8;
-#endif
- RETURN_LONG(ret);
-}
-
-static void _php_image_create_from(INTERNAL_FUNCTION_PARAMETERS, int image_type, char *tn, gdImagePtr (*func_p)()) {
- zval **file;
- gdImagePtr im;
- char *fn=NULL;
- FILE *fp;
- int issock=0, socketd=0;
- GDLS_FETCH();
-
- if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &file) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
- convert_to_string_ex(file);
- fn = (*file)->value.str.val;
-#ifdef PHP_WIN32
- fp = V_FOPEN(Z_STRVAL_PP(file), "rb");
-#else
- fp = php_fopen_wrapper(Z_STRVAL_PP(file), "r", IGNORE_PATH|IGNORE_URL_WIN, &issock, &socketd, NULL);
-#endif
- if (!fp) {
- php_strip_url_passwd(fn);
- php_error(E_WARNING, "%s: Unable to open '%s' for reading", get_active_function_name(), fn);
- RETURN_FALSE;
- }
-
- im = (*func_p)(fp);
-
- fflush(fp);
- fclose(fp);
-
- if (!im) {
- php_error(E_WARNING,"%s: '%s' is not a valid %s file", get_active_function_name(), fn, tn);
- RETURN_FALSE;
- }
-
- ZEND_REGISTER_RESOURCE(return_value, im, GDG(le_gd));
-}
-
-/* {{{ proto int imagecreatefromgif(string filename)
- Create a new image from GIF file or URL */
-PHP_FUNCTION(imagecreatefromgif)
-{
-#ifdef HAVE_GD_GIF
- _php_image_create_from(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_GIF, "GIF", gdImageCreateFromGif);
-#else /* HAVE_GD_GIF */
- php_error(E_WARNING, "ImageCreateFromGif: No GIF support in this PHP build");
- RETURN_FALSE;
-#endif /* HAVE_GD_GIF */
-}
-/* }}} */
-
-/* {{{ proto int imagecreatefromjpeg(string filename)
- Create a new image from JPEG file or URL */
-PHP_FUNCTION(imagecreatefromjpeg)
-{
-#ifdef HAVE_GD_JPG
- _php_image_create_from(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_JPG, "JPEG", gdImageCreateFromJpeg);
-#else /* HAVE_GD_JPG */
- php_error(E_WARNING, "ImageCreateFromJpeg: No JPEG support in this PHP build");
- RETURN_FALSE;
-#endif /* HAVE_GD_JPG */
-}
-/* }}} */
-
-/* {{{ proto int imagecreatefrompng(string filename)
- Create a new image from PNG file or URL */
-PHP_FUNCTION(imagecreatefrompng)
-{
-#ifdef HAVE_GD_PNG
- _php_image_create_from(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_PNG, "PNG", gdImageCreateFromPng);
-#else /* HAVE_GD_PNG */
- php_error(E_WARNING, "ImageCreateFromPng: No PNG support in this PHP build");
- RETURN_FALSE;
-#endif /* HAVE_GD_PNG */
-}
-/* }}} */
-
-/* {{{ proto int imagecreatefromxbm(string filename)
- Create a new image from XBM file or URL */
-PHP_FUNCTION(imagecreatefromxbm)
-{
-#ifdef HAVE_GD_XBM
- _php_image_create_from(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_XBM, "XBM", gdImageCreateFromXbm);
-#else /* HAVE_GD_XBM */
- php_error(E_WARNING, "ImageCreateFromXbm: No XBM support in this PHP build");
- RETURN_FALSE;
-#endif /* HAVE_GD_XBM */
-}
-/* }}} */
-
-/* {{{ todo int imagecreatefromxpm(string filename)
- Create a new image from XPM file or URL */
-PHP_FUNCTION(imagecreatefromxpm)
-{
- /*
-#ifdef HAVE_GD_XPM
- _php_image_create_from(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_XPM, "XPM", gdImageCreateFromXpm);
-#else
- */
- php_error(E_WARNING, "ImageCreateFromXpm: No XPM support in this PHP build");
- RETURN_FALSE;
- /*
-#endif
- */
-}
-/* }}} */
-
-/* {{{ proto int imagecreatefromwbmp(string filename)
- Create a new image from WBMP file or URL */
-PHP_FUNCTION(imagecreatefromwbmp)
-{
-#ifdef HAVE_GD_WBMP
- _php_image_create_from(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_WBM, "WBMP", gdImageCreateFromWBMP);
-#else /* HAVE_GD_WBMP */
- php_error(E_WARNING, "ImageCreateFromWBMP: No WBMP support in this PHP build");
- RETURN_FALSE;
-#endif /* HAVE_GD_WBMP */
-}
-/* }}} */
-
-static void _php_image_output(INTERNAL_FUNCTION_PARAMETERS, int image_type, char *tn, void (*func_p)()) {
- zval **imgind, **file, **quality;
- gdImagePtr im;
- char *fn = NULL;
- FILE *fp;
- int argc;
- int output = 1, q = -1;
- GDLS_FETCH();
-
- argc = ZEND_NUM_ARGS();
- if (argc < 1 || argc > 3 || zend_get_parameters_ex(argc, &imgind, &file, &quality) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
- ZEND_FETCH_RESOURCE(im, gdImagePtr, imgind, -1, "Image", GDG(le_gd));
-
- if (argc > 1) {
- convert_to_string_ex(file);
- fn = Z_STRVAL_PP(file);
- if (argc == 3) {
- convert_to_long_ex(quality);
- q = Z_LVAL_PP(quality);
- }
- }
-
- if ((argc == 2) || (argc == 3 && Z_STRLEN_PP(file))) {
- if (!fn || fn == empty_string || php_check_open_basedir(fn)) {
- php_error(E_WARNING, "%s: invalid filename '%s'", get_active_function_name(), fn);
- RETURN_FALSE;
- }
-
- fp = V_FOPEN(fn, "wb");
- if (!fp) {
- php_error(E_WARNING, "%s: unable to open '%s' for writing", get_active_function_name(), fn);
- RETURN_FALSE;
- }
- if (image_type == PHP_GDIMG_TYPE_JPG) {
- (*func_p)(im, fp, q);
- } else {
- (*func_p)(im, fp);
- }
- fflush(fp);
- fclose(fp);
- } else {
- int b;
- FILE *tmp;
- char buf[4096];
-
- tmp = tmpfile();
- if (tmp == NULL) {
- php_error(E_WARNING, "%s: unable to open temporary file", get_active_function_name());
- RETURN_FALSE;
- }
- output = php_header();
- if (output) {
- if (image_type == PHP_GDIMG_TYPE_JPG) {
- (*func_p)(im, tmp, q);
- } else {
- (*func_p)(im, tmp);
- }
- fseek(tmp, 0, SEEK_SET);
-#if APACHE && defined(CHARSET_EBCDIC)
- SLS_FETCH();
- /* 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);
- /* the temporary file is automatically deleted */
- }
- RETURN_TRUE;
-}
-
-/* {{{ proto int imagegif(int im [, string filename])
- Output GIF image to browser or file */
-PHP_FUNCTION(imagegif)
-{
-#ifdef HAVE_GD_GIF
- _php_image_output(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_GIF, "GIF", gdImageGif);
-#else /* HAVE_GD_GIF */
- php_error(E_WARNING, "ImageGif: No GIF support in this PHP build");
- RETURN_FALSE;
-#endif /* HAVE_GD_GIF */
-}
-/* }}} */
-
-/* {{{ proto int imagepng(int im [, string filename])
- Output PNG image to browser or file */
-PHP_FUNCTION(imagepng)
-{
-#ifdef HAVE_GD_PNG
- _php_image_output(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_PNG, "PNG", gdImagePng);
-#else /* HAVE_GD_PNG */
- php_error(E_WARNING, "ImagePng: No PNG support in this PHP build");
- RETURN_FALSE;
-#endif /* HAVE_GD_PNG */
-}
-/* }}} */
-
-
-/* {{{ proto int imagejpeg(int im [, string filename [, int quality]])
- Output JPEG image to browser or file */
-PHP_FUNCTION(imagejpeg)
-{
-#ifdef HAVE_GD_JPG
- _php_image_output(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_JPG, "JPEG", gdImageJpeg);
-#else /* HAVE_GD_JPG */
- php_error(E_WARNING, "ImageJpeg: No JPG support in this PHP build");
- RETURN_FALSE;
-#endif /* HAVE_GD_JPG */
-}
-/* }}} */
-
-/* {{{ proto int imagewbmp(int im [, string filename])
- Output WBMP image to browser or file */
-PHP_FUNCTION(imagewbmp)
-{
-#ifdef HAVE_GD_WBMP
- _php_image_output(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_WBM, "WBMP", gdImageWBMP);
-#else
- _php_image_output(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_WBM, "WBMP", _php_image_output_wbmp);
-#endif
-}
-/* }}} */
-
-/* {{{ _php_image_output_wbmp(gdImagePtr im, FILE *fp)
- */
-static void _php_image_output_wbmp(gdImagePtr im, FILE *fp)
-{
- int x, y;
- int c, p, width, height;
-
- /* WBMP header, black and white, no compression */
- fputc(0,fp); fputc(0,fp);
-
- /* Width and height of image */
- c = 1; width = im->sx;
- while(width & 0x7f << 7*c) c++;
- while(c > 1) fputc(0x80 | ((width >> 7*--c) & 0xff), fp);
- fputc(width & 0x7f,fp);
- c = 1; height = im->sy;
- while(height & 0x7f << 7*c) c++;
- while(c > 1) fputc(0x80 | ((height >> 7*--c) & 0xff), fp);
- fputc(height & 0x7f,fp);
-
- /* Actual image data */
- for(y = 0; y < im->sy; y++) {
- p = c = 0;
- for(x = 0; x < im->sx; x++) {
-#if HAVE_GD_ANCIENT
- if(im->pixels[x][y] == 0) c = c | (1 << (7-p));
-#else
- if(im->pixels[y][x] == 0) c = c | (1 << (7-p));
-#endif
- if(++p == 8) {
- fputc(c,fp);
- p = c = 0;
- }
- }
- if(p) fputc(c,fp);
- }
-}
-/* }}} */
-
-/* {{{ proto int imagedestroy(int im)
- Destroy an image */
-PHP_FUNCTION(imagedestroy)
-{
- zval **imgind;
- gdImagePtr im;
- GDLS_FETCH();
-
- if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &imgind) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
-
- ZEND_FETCH_RESOURCE(im, gdImagePtr, imgind, -1, "Image", GDG(le_gd));
-
- zend_list_delete((*imgind)->value.lval);
-
- RETURN_TRUE;
-}
-/* }}} */
-
-/* {{{ proto int imagecolorallocate(int im, int red, int green, int blue)
- Allocate a color for an image */
-PHP_FUNCTION(imagecolorallocate)
-{
- zval **imgind, **red, **green, **blue;
- int col;
- int r, g, b;
- gdImagePtr im;
- GDLS_FETCH();
-
- if (ZEND_NUM_ARGS() != 4 || zend_get_parameters_ex(4, &imgind, &red,
- &green, &blue) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
-
- ZEND_FETCH_RESOURCE(im, gdImagePtr, imgind, -1, "Image", GDG(le_gd));
-
- convert_to_long_ex(red);
- convert_to_long_ex(green);
- convert_to_long_ex(blue);
-
- r = (*red)->value.lval;
- g = (*green)->value.lval;
- b = (*blue)->value.lval;
-
- col = gdImageColorAllocate(im, r, g, b);
- RETURN_LONG(col);
-}
-/* }}} */
-
-/* {{{ proto int imagepalettecopy(int dst, int src)
- Copy the palette from the src image onto the dst image */
-PHP_FUNCTION(imagepalettecopy)
-{
-#if HAVE_LIBGD15
- zval **dstim, **srcim;
- gdImagePtr dst, src;
-
- if (ZEND_NUM_ARGS() != 2 ||
- zend_get_parameters_ex(2, &dstim, &srcim) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
-
- ZEND_FETCH_RESOURCE(dst, gdImagePtr, dstim, -1, "Image", GDG(le_gd));
- ZEND_FETCH_RESOURCE(src, gdImagePtr, srcim, -1, "Image", GDG(le_gd));
-
- gdImagePaletteCopy(dst, src);
-#else
- php_error(E_WARNING, "Sorry ImagePaletteCopy was introduced in GD version 1.5");
- RETURN_FALSE;
-#endif
-}
-/* }}} */
-
-/* im, x, y */
-/* {{{ proto int imagecolorat(int im, int x, int y)
- Get the index of the color of a pixel */
-PHP_FUNCTION(imagecolorat)
-{
- zval **imgind, **x, **y;
- gdImagePtr im;
- GDLS_FETCH();
-
- if (ZEND_NUM_ARGS() != 3 || zend_get_parameters_ex(3, &imgind, &x, &y) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
-
- ZEND_FETCH_RESOURCE(im, gdImagePtr, imgind, -1, "Image", GDG(le_gd));
- convert_to_long_ex(x);
- convert_to_long_ex(y);
-
- if (gdImageBoundsSafe(im, (*x)->value.lval, (*y)->value.lval)) {
-#if HAVE_LIBGD13
- RETURN_LONG(im->pixels[(*y)->value.lval][(*x)->value.lval]);
-#else
- RETURN_LONG(im->pixels[(*x)->value.lval][(*y)->value.lval]);
-#endif
- }
- else {
- RETURN_FALSE;
- }
-}
-/* }}} */
-
-/* {{{ proto int imagecolorclosest(int im, int red, int green, int blue)
- Get the index of the closest color to the specified color */
-PHP_FUNCTION(imagecolorclosest)
-{
- zval **imgind, **red, **green, **blue;
- int col;
- int r, g, b;
- gdImagePtr im;
- GDLS_FETCH();
-
- if (ZEND_NUM_ARGS() != 4 || zend_get_parameters_ex(4, &imgind, &red,
- &green, &blue) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
-
- ZEND_FETCH_RESOURCE(im, gdImagePtr, imgind, -1, "Image", GDG(le_gd));
-
- convert_to_long_ex(red);
- convert_to_long_ex(green);
- convert_to_long_ex(blue);
-
- r = (*red)->value.lval;
- g = (*green)->value.lval;
- b = (*blue)->value.lval;
-
- col = gdImageColorClosest(im, r, g, b);
- RETURN_LONG(col);
-}
-/* }}} */
-
-/* {{{ proto int imagecolorclosesthwb(int 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)
-{
-#if HAVE_COLORCLOSESTHWB
- zval **imgind, **r, **g, **b;
- int col;
- gdImagePtr im;
- GDLS_FETCH();
-
- if (ZEND_NUM_ARGS() != 4 ||
- zend_get_parameters_ex(4, &imgind, &r, &g, &b) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
-
- ZEND_FETCH_RESOURCE(im, gdImagePtr, imgind, -1, "Image", GDG(le_gd));
-
- convert_to_long_ex(r);
- convert_to_long_ex(g);
- convert_to_long_ex(b);
-
- col = gdImageColorClosestHWB(im, Z_LVAL_PP(r), Z_LVAL_PP(g), Z_LVAL_PP(b));
- RETURN_LONG(col);
-#else
- php_error(E_WARNING, "ImageColorClosestHWB functionality was added in GD 1.8");
- RETURN_FALSE;
-#endif
-}
-/* }}} */
-
-/* {{{ proto int imagecolordeallocate(int im, int index)
- De-allocate a color for an image */
-PHP_FUNCTION(imagecolordeallocate)
-{
- zval **imgind, **index;
- int col;
- gdImagePtr im;
- GDLS_FETCH();
-
- if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &imgind, &index) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
-
- ZEND_FETCH_RESOURCE(im, gdImagePtr, imgind, -1, "Image", GDG(le_gd));
-
- convert_to_long_ex(index);
- col = (*index)->value.lval;
-
- if (col >= 0 && col < gdImageColorsTotal(im)) {
- gdImageColorDeallocate(im, col);
- RETURN_TRUE;
- }
- else {
- php_error(E_WARNING, "Color index out of range");
- RETURN_FALSE;
- }
-}
-/* }}} */
-
-/* {{{ proto int imagecolorresolve(int im, int red, int green, int blue)
- Get the index of the specified color or its closest possible alternative */
-PHP_FUNCTION(imagecolorresolve)
-{
- zval **imgind, **red, **green, **blue;
- int col;
- int r, g, b;
- gdImagePtr im;
- GDLS_FETCH();
-
- if (ZEND_NUM_ARGS() != 4 || zend_get_parameters_ex(4, &imgind, &red,
- &green, &blue) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
-
- ZEND_FETCH_RESOURCE(im, gdImagePtr, imgind, -1, "Image", GDG(le_gd));
-
- convert_to_long_ex(red);
- convert_to_long_ex(green);
- convert_to_long_ex(blue);
-
- r = (*red)->value.lval;
- g = (*green)->value.lval;
- b = (*blue)->value.lval;
-
- col = gdImageColorResolve(im, r, g, b);
- RETURN_LONG(col);
-}
-/* }}} */
-
-/* {{{ proto int imagecolorexact(int im, int red, int green, int blue)
- Get the index of the specified color */
-PHP_FUNCTION(imagecolorexact)
-{
- zval **imgind, **red, **green, **blue;
- int col;
- int r, g, b;
- gdImagePtr im;
- GDLS_FETCH();
-
- if (ZEND_NUM_ARGS() != 4 || zend_get_parameters_ex(4, &imgind, &red,
- &green, &blue) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
-
- ZEND_FETCH_RESOURCE(im, gdImagePtr, imgind, -1, "Image", GDG(le_gd));
-
- convert_to_long_ex(red);
- convert_to_long_ex(green);
- convert_to_long_ex(blue);
-
- r = (*red)->value.lval;
- g = (*green)->value.lval;
- b = (*blue)->value.lval;
-
- col = gdImageColorExact(im, r, g, b);
- RETURN_LONG(col);
-}
-/* }}} */
-
-/* {{{ proto int imagecolorset(int im, int col, int red, int green, int blue)
- Set the color for the specified palette index */
-PHP_FUNCTION(imagecolorset)
-{
- zval **imgind, **color, **red, **green, **blue;
- int col;
- int r, g, b;
- gdImagePtr im;
- GDLS_FETCH();
-
- if (ZEND_NUM_ARGS() != 5 || zend_get_parameters_ex(5, &imgind, &color, &red, &green, &blue) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
-
- ZEND_FETCH_RESOURCE(im, gdImagePtr, imgind, -1, "Image", GDG(le_gd));
-
- convert_to_long_ex(color);
- convert_to_long_ex(red);
- convert_to_long_ex(green);
- convert_to_long_ex(blue);
-
- col = (*color)->value.lval;
- r = (*red)->value.lval;
- g = (*green)->value.lval;
- b = (*blue)->value.lval;
-
- if (col >= 0 && col < gdImageColorsTotal(im)) {
- im->red[col] = r;
- im->green[col] = g;
- im->blue[col] = b;
- }
- else {
- RETURN_FALSE;
- }
-}
-/* }}} */
-
-/* {{{ proto array imagecolorsforindex(int im, int col)
- Get the colors for an index */
-PHP_FUNCTION(imagecolorsforindex)
-{
- zval **imgind, **index;
- int col;
- gdImagePtr im;
- GDLS_FETCH();
-
- if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &imgind, &index) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
-
- ZEND_FETCH_RESOURCE(im, gdImagePtr, imgind, -1, "Image", GDG(le_gd));
-
- convert_to_long_ex(index);
- col = (*index)->value.lval;
-
- if (col >= 0 && col < gdImageColorsTotal(im)) {
- if (array_init(return_value) == FAILURE) {
- RETURN_FALSE;
- }
- add_assoc_long(return_value,"red",im->red[col]);
- add_assoc_long(return_value,"green",im->green[col]);
- add_assoc_long(return_value,"blue",im->blue[col]);
- }
- else {
- php_error(E_WARNING, "Color index out of range");
- RETURN_FALSE;
- }
-}
-/* }}} */
-
-/* {{{ proto int imagegammacorrect(int im, double inputgamma, double outputgamma)
- Apply a gamma correction to a GD image */
-PHP_FUNCTION(imagegammacorrect)
-{
- zval **IM, **inputgamma, **outputgamma;
- gdImagePtr im;
- int i;
- GDLS_FETCH();
-
- if (ZEND_NUM_ARGS() != 3 ||
- zend_get_parameters_ex(3, &IM, &inputgamma, &outputgamma) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
-
- convert_to_double_ex(inputgamma);
- convert_to_double_ex(outputgamma);
-
- ZEND_FETCH_RESOURCE(im, gdImagePtr, IM, -1, "Image", GDG(le_gd));
-
- for (i = 0; i < gdImageColorsTotal(im); i++) {
- im->red[i] = (int)((pow((pow((im->red[i] / 255.0),(*inputgamma)->value.dval)), 1.0 / (*outputgamma)->value.dval) * 255)+.5);
- im->green[i] = (int)((pow((pow((im->green[i] / 255.0),(*inputgamma)->value.dval)), 1.0 / (*outputgamma)->value.dval) * 255)+.5);
- im->blue[i] = (int)((pow((pow((im->blue[i] / 255.0),(*inputgamma)->value.dval)), 1.0 / (*outputgamma)->value.dval) * 255)+.5);
- }
-
- RETURN_TRUE;
-}
-/* }}} */
-
-/* {{{ proto int imagesetpixel(int im, int x, int y, int col)
- Set a single pixel */
-PHP_FUNCTION(imagesetpixel)
-{
- zval **imgind, **xarg, **yarg, **colarg;
- gdImagePtr im;
- int col, y, x;
- GDLS_FETCH();
-
- if (ZEND_NUM_ARGS() != 4 ||
- zend_get_parameters_ex(4, &imgind, &xarg, &yarg, &colarg) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
-
- ZEND_FETCH_RESOURCE(im, gdImagePtr, imgind, -1, "Image", GDG(le_gd));
-
- convert_to_long_ex(xarg);
- convert_to_long_ex(yarg);
- convert_to_long_ex(colarg);
-
- col = (*colarg)->value.lval;
- y = (*yarg)->value.lval;
- x = (*xarg)->value.lval;
-
- gdImageSetPixel(im,x,y,col);
-
- RETURN_TRUE;
-}
-/* }}} */
-
-/* {{{ proto int imageline(int im, int x1, int y1, int x2, int y2, int col)
- Draw a line */
-PHP_FUNCTION(imageline)
-{
- zval **IM, **COL, **X1, **Y1, **X2, **Y2;
- gdImagePtr im;
- int col, y2, x2, y1, x1;
- GDLS_FETCH();
-
- if (ZEND_NUM_ARGS() != 6 ||
- zend_get_parameters_ex(6, &IM, &X1, &Y1, &X2, &Y2, &COL) == FAILURE)
- {
- WRONG_PARAM_COUNT;
- }
-
- ZEND_FETCH_RESOURCE(im, gdImagePtr, IM, -1, "Image", GDG(le_gd));
-
- convert_to_long_ex(X1);
- convert_to_long_ex(Y1);
- convert_to_long_ex(X2);
- convert_to_long_ex(Y2);
- convert_to_long_ex(COL);
-
- x1 = (*X1)->value.lval;
- y1 = (*Y1)->value.lval;
- x2 = (*X2)->value.lval;
- y2 = (*Y2)->value.lval;
- col = (*COL)->value.lval;
-
- gdImageLine(im,x1,y1,x2,y2,col);
- RETURN_TRUE;
-}
-/* }}} */
-
-/* {{{ proto int imagedashedline(int im, int x1, int y1, int x2, int y2, int col)
- Draw a dashed line */
-PHP_FUNCTION(imagedashedline)
-{
- zval **IM, **COL, **X1, **Y1, **X2, **Y2;
- gdImagePtr im;
- int col, y2, x2, y1, x1;
- GDLS_FETCH();
-
- if (ZEND_NUM_ARGS() != 6 || zend_get_parameters_ex(6, &IM, &X1, &Y1, &X2, &Y2, &COL) == FAILURE)
- {
- WRONG_PARAM_COUNT;
- }
-
- ZEND_FETCH_RESOURCE(im, gdImagePtr, IM, -1, "Image", GDG(le_gd));
-
- convert_to_long_ex(X1);
- convert_to_long_ex(Y1);
- convert_to_long_ex(X2);
- convert_to_long_ex(Y2);
- convert_to_long_ex(COL);
-
- x1 = (*X1)->value.lval;
- y1 = (*Y1)->value.lval;
- x2 = (*X2)->value.lval;
- y2 = (*Y2)->value.lval;
- col = (*COL)->value.lval;
-
- gdImageDashedLine(im,x1,y1,x2,y2,col);
- RETURN_TRUE;
-}
-/* }}} */
-
-/* im, x1, y1, x2, y2, col */
-/* {{{ proto int imagerectangle(int im, int x1, int y1, int x2, int y2, int col)
- Draw a rectangle */
-PHP_FUNCTION(imagerectangle)
-{
- zval **IM, **COL, **X1, **Y1, **X2, **Y2;
- gdImagePtr im;
- int col, y2, x2, y1, x1;
- GDLS_FETCH();
-
- if (ZEND_NUM_ARGS() != 6 ||
- zend_get_parameters_ex(6, &IM, &X1, &Y1, &X2, &Y2, &COL) == FAILURE)
- {
- WRONG_PARAM_COUNT;
- }
-
- ZEND_FETCH_RESOURCE(im, gdImagePtr, IM, -1, "Image", GDG(le_gd));
-
- convert_to_long_ex(IM);
- convert_to_long_ex(X1);
- convert_to_long_ex(Y1);
- convert_to_long_ex(X2);
- convert_to_long_ex(Y2);
- convert_to_long_ex(COL);
-
- x1 = (*X1)->value.lval;
- y1 = (*Y1)->value.lval;
- x2 = (*X2)->value.lval;
- y2 = (*Y2)->value.lval;
- col = (*COL)->value.lval;
-
- gdImageRectangle(im,x1,y1,x2,y2,col);
- RETURN_TRUE;
-}
-/* }}} */
-
-/* im, x1, y1, x2, y2, col */
-/* {{{ proto int imagefilledrectangle(int im, int x1, int y1, int x2, int y2, int col)
- Draw a filled rectangle */
-PHP_FUNCTION(imagefilledrectangle)
-{
- zval **IM, **COL, **X1, **Y1, **X2, **Y2;
- gdImagePtr im;
- int col, y2, x2, y1, x1;
- GDLS_FETCH();
-
- if (ZEND_NUM_ARGS() != 6 ||
- zend_get_parameters_ex(6, &IM, &X1, &Y1, &X2, &Y2, &COL) == FAILURE)
- {
- WRONG_PARAM_COUNT;
- }
-
- ZEND_FETCH_RESOURCE(im, gdImagePtr, IM, -1, "Image", GDG(le_gd));
-
- convert_to_long_ex(X1);
- convert_to_long_ex(Y1);
- convert_to_long_ex(X2);
- convert_to_long_ex(Y2);
- convert_to_long_ex(COL);
-
- x1 = (*X1)->value.lval;
- y1 = (*Y1)->value.lval;
- x2 = (*X2)->value.lval;
- y2 = (*Y2)->value.lval;
- col = (*COL)->value.lval;
-
- gdImageFilledRectangle(im,x1,y1,x2,y2,col);
- RETURN_TRUE;
-}
-/* }}} */
-
-/* {{{ proto int imagearc(int im, int cx, int cy, int w, int h, int s, int e, int col)
- Draw a partial ellipse */
-PHP_FUNCTION(imagearc)
-{
- zval **COL, **E, **ST, **H, **W, **CY, **CX, **IM;
- gdImagePtr im;
- int col, e, st, h, w, cy, cx;
- GDLS_FETCH();
-
- if (ZEND_NUM_ARGS() != 8 ||
- zend_get_parameters_ex(8, &IM, &CX, &CY, &W, &H, &ST, &E, &COL) == FAILURE)
- {
- WRONG_PARAM_COUNT;
- }
-
- ZEND_FETCH_RESOURCE(im, gdImagePtr, IM, -1, "Image", GDG(le_gd));
-
- convert_to_long_ex(CX);
- convert_to_long_ex(CY);
- convert_to_long_ex(W);
- convert_to_long_ex(H);
- convert_to_long_ex(ST);
- convert_to_long_ex(E);
- convert_to_long_ex(COL);
-
- col = (*COL)->value.lval;
- e = (*E)->value.lval;
- st = (*ST)->value.lval;
- h = (*H)->value.lval;
- w = (*W)->value.lval;
- cy = (*CY)->value.lval;
- cx = (*CX)->value.lval;
-
- if (e < 0) {
- e %= 360;
- }
- if (st < 0) {
- st %= 360;
- }
-
- gdImageArc(im,cx,cy,w,h,st,e,col);
- RETURN_TRUE;
-}
-/* }}} */
-
-/* im, x, y, border, col */
-/* {{{ proto int imagefilltoborder(int im, int x, int y, int border, int col)
- Flood fill to specific color */
-PHP_FUNCTION(imagefilltoborder)
-{
- zval **IM, **X, **Y, **BORDER, **COL;
- gdImagePtr im;
- int col, border, y, x;
- GDLS_FETCH();
-
- if (ZEND_NUM_ARGS() != 5 ||
- zend_get_parameters_ex(5, &IM, &X, &Y, &BORDER, &COL) == FAILURE)
- {
- WRONG_PARAM_COUNT;
- }
-
- ZEND_FETCH_RESOURCE(im, gdImagePtr, IM, -1, "Image", GDG(le_gd));
-
- convert_to_long_ex(X);
- convert_to_long_ex(Y);
- convert_to_long_ex(BORDER);
- convert_to_long_ex(COL);
-
- col = (*COL)->value.lval;
- border = (*BORDER)->value.lval;
- y = (*Y)->value.lval;
- x = (*X)->value.lval;
-
- gdImageFillToBorder(im,x,y,border,col);
- RETURN_TRUE;
-}
-/* }}} */
-
-/* im, x, y, col */
-/* {{{ proto int imagefill(int im, int x, int y, int col)
- Flood fill */
-PHP_FUNCTION(imagefill)
-{
- zval **IM, **X, **Y, **COL;
- gdImagePtr im;
- int col, y, x;
- GDLS_FETCH();
-
- if (ZEND_NUM_ARGS() != 4 ||
- zend_get_parameters_ex(4, &IM, &X, &Y, &COL) == FAILURE)
- {
- WRONG_PARAM_COUNT;
- }
-
- ZEND_FETCH_RESOURCE(im, gdImagePtr, IM, -1, "Image", GDG(le_gd));
-
- convert_to_long_ex(X);
- convert_to_long_ex(Y);
- convert_to_long_ex(COL);
-
- col = (*COL)->value.lval;
- y = (*Y)->value.lval;
- x = (*X)->value.lval;
-
- gdImageFill(im,x,y,col);
- RETURN_TRUE;
-}
-/* }}} */
-
-/* {{{ proto int imagecolorstotal(int im)
- Find out the number of colors in an image's palette */
-PHP_FUNCTION(imagecolorstotal)
-{
- zval **IM;
- gdImagePtr im;
- GDLS_FETCH();
-
- if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &IM) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
- ZEND_FETCH_RESOURCE(im, gdImagePtr, IM, -1, "Image", GDG(le_gd));
-
- RETURN_LONG(gdImageColorsTotal(im));
-}
-/* }}} */
-
-/* im, col */
-/* {{{ proto int imagecolortransparent(int im [, int col])
- Define a color as transparent */
-PHP_FUNCTION(imagecolortransparent)
-{
- zval **IM, **COL;
- gdImagePtr im;
- int col;
- GDLS_FETCH();
-
- switch(ZEND_NUM_ARGS()) {
- case 1:
- if (zend_get_parameters_ex(1, &IM) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
- break;
- case 2:
- if (zend_get_parameters_ex(2, &IM, &COL) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
- convert_to_long_ex(COL);
- break;
- default:
- WRONG_PARAM_COUNT;
- }
-
- ZEND_FETCH_RESOURCE(im, gdImagePtr, IM, -1, "Image", GDG(le_gd));
-
- if (ZEND_NUM_ARGS() > 1) {
- gdImageColorTransparent(im, Z_LVAL_PP(COL));
- }
- col = gdImageGetTransparent(im);
- RETURN_LONG(col);
-}
-/* }}} */
-
-/* im, interlace */
-/* {{{ proto int imageinterlace(int im [, int interlace])
- Enable or disable interlace */
-PHP_FUNCTION(imageinterlace)
-{
- zval **IM, **INT = NULL;
- gdImagePtr im;
- int interlace;
- GDLS_FETCH();
-
- switch(ZEND_NUM_ARGS()) {
- case 1:
- if (zend_get_parameters_ex(1, &IM) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
- break;
- case 2:
- if (zend_get_parameters_ex(2, &IM, &INT) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
- convert_to_long_ex(INT);
- break;
- default:
- WRONG_PARAM_COUNT;
- }
-
- ZEND_FETCH_RESOURCE(im, gdImagePtr, IM, -1, "Image", GDG(le_gd));
-
- if ((*INT) != NULL) {
- interlace = (*INT)->value.lval;
- gdImageInterlace(im,interlace);
- }
- interlace = gdImageGetInterlaced(im);
- RETURN_LONG(interlace);
-}
-/* }}} */
-
-/* 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, **NPOINTS, **COL;
- pval **var = NULL;
- gdImagePtr im;
- gdPointPtr points;
- int npoints, col, nelem, i;
- GDLS_FETCH();
-
- if (ZEND_NUM_ARGS() != 4 ||
- zend_get_parameters_ex(4, &IM, &POINTS, &NPOINTS, &COL) == FAILURE)
- {
- WRONG_PARAM_COUNT;
- }
-
- ZEND_FETCH_RESOURCE(im, gdImagePtr, IM, -1, "Image", GDG(le_gd));
-
- convert_to_long_ex(NPOINTS);
- convert_to_long_ex(COL);
-
- npoints = (*NPOINTS)->value.lval;
- col = (*COL)->value.lval;
-
- if ((*POINTS)->type != IS_ARRAY) {
- php_error(E_WARNING, "2nd argument to imagepolygon not an array");
- RETURN_FALSE;
- }
-
-/*
- ** we shouldn't need this check, should we? **
-
- if (!ParameterPassedByReference(ht, 2)) {
- php_error(E_WARNING, "2nd argument to imagepolygon not passed by reference");
- RETURN_FALSE;
- }
-*/
-
- nelem = zend_hash_num_elements((*POINTS)->value.ht);
- if (nelem < 6) {
- php_error(E_WARNING,
- "you must have at least 3 points in your array");
- RETURN_FALSE;
- }
-
- if (nelem < npoints * 2) {
- php_error(E_WARNING,
- "trying to use %d points in array with only %d points",
- npoints, nelem/2);
- RETURN_FALSE;
- }
-
- points = (gdPointPtr) emalloc(npoints * sizeof(gdPoint));
-
- for (i = 0; i < npoints; i++) {
- if (zend_hash_index_find((*POINTS)->value.ht, (i * 2), (void **) &var) == SUCCESS) {
- SEPARATE_ZVAL((var));
- convert_to_long(*var);
- points[i].x = (*var)->value.lval;
- }
- if (zend_hash_index_find((*POINTS)->value.ht, (i * 2) + 1, (void **) &var) == SUCCESS) {
- SEPARATE_ZVAL(var);
- convert_to_long(*var);
- points[i].y = (*var)->value.lval;
- }
- }
-
- if (filled) {
- gdImageFilledPolygon(im, points, npoints, col);
- }
- else {
- gdImagePolygon(im, points, npoints, col);
- }
-
- efree(points);
-
- RETURN_TRUE;
-}
-
-
-/* {{{ proto int imagepolygon(int im, array point, int num_points, int col)
- Draw a polygon */
-PHP_FUNCTION(imagepolygon)
-{
- php_imagepolygon(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
-}
-/* }}} */
-
-/* {{{ proto int imagefilledpolygon(int im, array point, int num_points, int col)
- Draw a filled polygon */
-PHP_FUNCTION(imagefilledpolygon)
-{
- php_imagepolygon(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1);
-}
-/* }}} */
-
-
-static gdFontPtr php_find_gd_font(int size)
-{
- gdFontPtr font;
- int ind_type;
- GDLS_FETCH();
-
- 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:
- font = zend_list_find(size - 5, &ind_type);
- if (!font || ind_type != GDG(le_gd_font)) {
- if (size < 1) {
- font = gdFontTiny;
- } else {
- font = gdFontGiant;
- }
- }
- break;
- }
-
- return font;
-}
-
-
-/*
- * arg = 0 ImageFontWidth
- * arg = 1 ImageFontHeight
- */
-static void php_imagefontsize(INTERNAL_FUNCTION_PARAMETERS, int arg)
-{
- pval *SIZE;
- gdFontPtr font;
-
- if (ZEND_NUM_ARGS() != 1 || zend_get_parameters(ht, 1, &SIZE) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
- convert_to_long(SIZE);
- font = php_find_gd_font(SIZE->value.lval);
- 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);
-}
-/* }}} */
-
-
-/* workaround for a bug in gd 1.2 */
-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++;
- }
-}
-
-/*
- * arg = 0 ImageChar
- * arg = 1 ImageCharUp
- * arg = 2 ImageString
- * arg = 3 ImageStringUp
- */
-static void php_imagechar(INTERNAL_FUNCTION_PARAMETERS, int mode) {
- zval **IM, **SIZE, **X, **Y, **C, **COL;
- gdImagePtr im;
- int ch = 0, col, x, y, size, i, l = 0;
- unsigned char *str = NULL;
- gdFontPtr font;
- GDLS_FETCH();
-
- if (ZEND_NUM_ARGS() != 6 ||
- zend_get_parameters_ex(6, &IM, &SIZE, &X, &Y, &C, &COL) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
-
- ZEND_FETCH_RESOURCE(im, gdImagePtr, IM, -1, "Image", GDG(le_gd));
-
- convert_to_long_ex(SIZE);
- convert_to_long_ex(X);
- convert_to_long_ex(Y);
- convert_to_string_ex(C);
- convert_to_long_ex(COL);
-
- col = (*COL)->value.lval;
-
- if (mode < 2) {
- ch = (int)((unsigned char)*((*C)->value.str.val));
- } else {
- str = (unsigned char *) estrndup((*C)->value.str.val, (*C)->value.str.len);
- l = strlen(str);
- }
-
- y = (*Y)->value.lval;
- x = (*X)->value.lval;
- size = (*SIZE)->value.lval;
-
- 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 int imagechar(int 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 int imagecharup(int 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 int imagestring(int 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 int imagestringup(int 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 int imagecopy(int dst_im, int 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, **SX, **SY, **SW, **SH, **DX, **DY;
- gdImagePtr im_dst;
- gdImagePtr im_src;
- int srcH, srcW, srcY, srcX, dstY, dstX;
- GDLS_FETCH();
-
- if (ZEND_NUM_ARGS() != 8 ||
- zend_get_parameters_ex(8, &DIM, &SIM, &DX, &DY, &SX, &SY, &SW, &SH)
- == FAILURE) {
- WRONG_PARAM_COUNT;
- }
-
- ZEND_FETCH_RESOURCE(im_src, gdImagePtr, SIM, -1, "Image", GDG(le_gd));
- ZEND_FETCH_RESOURCE(im_dst, gdImagePtr, DIM, -1, "Image", GDG(le_gd));
-
- convert_to_long_ex(SX);
- convert_to_long_ex(SY);
- convert_to_long_ex(SW);
- convert_to_long_ex(SH);
- convert_to_long_ex(DX);
- convert_to_long_ex(DY);
-
- srcX = (*SX)->value.lval;
- srcY = (*SY)->value.lval;
- srcH = (*SH)->value.lval;
- srcW = (*SW)->value.lval;
- dstX = (*DX)->value.lval;
- dstY = (*DY)->value.lval;
-
- gdImageCopy(im_dst, im_src, dstX, dstY, srcX, srcY, srcW, srcH);
- RETURN_TRUE;
-}
-/* }}} */
-
-/* {{{ proto int imagecopymerge(int src_im, int 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)
-{
-#if HAVE_LIBGD15
- zval **SIM, **DIM, **SX, **SY, **SW, **SH, **DX, **DY, **PCT;
- gdImagePtr im_dst;
- gdImagePtr im_src;
- int srcH, srcW, srcY, srcX, dstY, dstX, pct;
- GDLS_FETCH();
-
- if (ZEND_NUM_ARGS() != 9 ||
- zend_get_parameters_ex(9, &DIM, &SIM, &DX, &DY, &SX, &SY, &SW, &SH, &PCT) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
-
- ZEND_FETCH_RESOURCE(im_src, gdImagePtr, SIM, -1, "Image", GDG(le_gd));
- ZEND_FETCH_RESOURCE(im_dst, gdImagePtr, DIM, -1, "Image", GDG(le_gd));
-
- convert_to_long_ex(SX);
- convert_to_long_ex(SY);
- convert_to_long_ex(SW);
- convert_to_long_ex(SH);
- convert_to_long_ex(DX);
- convert_to_long_ex(DY);
- convert_to_long_ex(PCT);
-
- srcX = Z_LVAL_PP(SX);
- srcY = Z_LVAL_PP(SY);
- srcH = Z_LVAL_PP(SH);
- srcW = Z_LVAL_PP(SW);
- dstX = Z_LVAL_PP(DX);
- dstY = Z_LVAL_PP(DY);
- pct = Z_LVAL_PP(PCT);
-
- gdImageCopyMerge(im_dst, im_src, dstX, dstY, srcX, srcY, srcW, srcH, pct);
- RETURN_TRUE;
-#else
- php_error(E_WARNING, "ImageCopyMerge was introduced in GD version 1.5");
- RETURN_FALSE;
-#endif
-}
-/* }}} */
-
-/* {{{ proto int imagecopyresized(int dst_im, int 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, **SX, **SY, **SW, **SH, **DX, **DY, **DW, **DH;
- gdImagePtr im_dst;
- gdImagePtr im_src;
- int srcH, srcW, dstH, dstW, srcY, srcX, dstY, dstX;
- GDLS_FETCH();
-
- if (ZEND_NUM_ARGS() != 10 ||
- zend_get_parameters_ex(10, &DIM, &SIM, &DX, &DY, &SX, &SY, &DW, &DH,
- &SW, &SH) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
-
- ZEND_FETCH_RESOURCE(im_dst, gdImagePtr, DIM, -1, "Image", GDG(le_gd));
- ZEND_FETCH_RESOURCE(im_src, gdImagePtr, SIM, -1, "Image", GDG(le_gd));
-
- convert_to_long_ex(SX);
- convert_to_long_ex(SY);
- convert_to_long_ex(SW);
- convert_to_long_ex(SH);
- convert_to_long_ex(DX);
- convert_to_long_ex(DY);
- convert_to_long_ex(DW);
- convert_to_long_ex(DH);
-
- srcX = (*SX)->value.lval;
- srcY = (*SY)->value.lval;
- srcH = (*SH)->value.lval;
- srcW = (*SW)->value.lval;
- dstX = (*DX)->value.lval;
- dstY = (*DY)->value.lval;
- dstH = (*DH)->value.lval;
- dstW = (*DW)->value.lval;
-
- gdImageCopyResized(im_dst, im_src, dstX, dstY, srcX, srcY, dstW, dstH,
- srcW, srcH);
- RETURN_TRUE;
-}
-/* }}} */
-
-/* {{{ proto int imagesx(int im)
- Get image width */
-PHP_FUNCTION(imagesx)
-{
- zval **IM;
- gdImagePtr im;
- GDLS_FETCH();
-
- if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &IM) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
-
- ZEND_FETCH_RESOURCE(im, gdImagePtr, IM, -1, "Image", GDG(le_gd));
-
- RETURN_LONG(gdImageSX(im));
-}
-/* }}} */
-
-/* {{{ proto int imagesy(int im)
- Get image height */
-PHP_FUNCTION(imagesy)
-{
- zval **IM;
- gdImagePtr im;
- GDLS_FETCH();
-
- if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &IM) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
-
- ZEND_FETCH_RESOURCE(im, gdImagePtr, IM, -1, "Image", GDG(le_gd));
-
- RETURN_LONG(gdImageSY(im));
-}
-/* }}} */
-
-#ifdef ENABLE_GD_TTF
-#define TTFTEXT_DRAW 0
-#define TTFTEXT_BBOX 1
-#endif
-
-/* {{{ proto array imagettfbbox(int size, int angle, string font_file, string text)
- Give the bounding box of a text using TrueType fonts */
-PHP_FUNCTION(imagettfbbox)
-{
-#ifdef ENABLE_GD_TTF
- php_imagettftext_common(INTERNAL_FUNCTION_PARAM_PASSTHRU, TTFTEXT_BBOX);
-#else
- php_error(E_WARNING, "ImageTtfBBox: No TTF support in this PHP build");
- RETURN_FALSE;
-#endif
-}
-/* }}} */
-
-/* {{{ proto array imagettftext(int im, int size, int angle, int x, int y, int col, string font_file, string text)
- Write text to the image using a TrueType font */
-PHP_FUNCTION(imagettftext)
-{
-#ifdef ENABLE_GD_TTF
- php_imagettftext_common(INTERNAL_FUNCTION_PARAM_PASSTHRU, TTFTEXT_DRAW);
-#else
- php_error(E_WARNING, "ImageTtfText: No TTF support in this PHP build");
- RETURN_FALSE;
-#endif
-}
-/* }}} */
-
-#ifdef ENABLE_GD_TTF
-static
-void php_imagettftext_common(INTERNAL_FUNCTION_PARAMETERS, int mode)
-{
- zval **IM, **PTSIZE, **ANGLE, **X, **Y, **C, **FONTNAME, **COL;
- gdImagePtr im=NULL;
- int col, x, y, l=0, i;
- int brect[8];
- double ptsize, angle;
- unsigned char *str = NULL, *fontname = NULL;
- char *error;
- GDLS_FETCH();
-
- if (mode == TTFTEXT_BBOX) {
- if (ZEND_NUM_ARGS() != 4 || zend_get_parameters_ex(4, &PTSIZE, &ANGLE, &FONTNAME, &C) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
- } else {
- if (ZEND_NUM_ARGS() != 8 || zend_get_parameters_ex(8, &IM, &PTSIZE, &ANGLE, &X, &Y, &COL, &FONTNAME, &C) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
- ZEND_FETCH_RESOURCE(im, gdImagePtr, IM, -1, "Image", GDG(le_gd));
- }
-
- convert_to_double_ex(PTSIZE);
- convert_to_double_ex(ANGLE);
- convert_to_string_ex(FONTNAME);
- convert_to_string_ex(C);
- if (mode == TTFTEXT_BBOX) {
- im = NULL;
- col = x = y = -1;
- } else {
- convert_to_long_ex(X);
- convert_to_long_ex(Y);
- convert_to_long_ex(COL);
- col = (*COL)->value.lval;
- y = (*Y)->value.lval;
- x = (*X)->value.lval;
- }
-
- ptsize = (*PTSIZE)->value.dval;
- angle = (*ANGLE)->value.dval * (M_PI/180); /* convert to radians */
-
- str = (unsigned char *) (*C)->value.str.val;
- l = strlen(str);
- fontname = (unsigned char *) (*FONTNAME)->value.str.val;
-
- error = gdttf(im, brect, col, fontname, ptsize, angle, x, y, str);
-
- if (error) {
- php_error(E_WARNING, error);
- RETURN_FALSE;
- }
-
-
- if (array_init(return_value) == FAILURE) {
- RETURN_FALSE;
- }
-
- /* 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 */
-
-#if HAVE_LIBT1
-
-void php_free_ps_font(int *font)
-{
- T1_DeleteFont(*font);
- efree(font);
-}
-
-void php_free_ps_enc(char **enc)
-{
- T1_DeleteEncoding(enc);
-}
-
-#endif
-
-/* {{{ proto int imagepsloadfont(string pathname)
- Load a new font from specified file */
-PHP_FUNCTION(imagepsloadfont)
-{
-#if HAVE_LIBT1
- zval **file;
- int f_ind;
- int *font;
-
- if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &file) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
-
- convert_to_string_ex(file);
-
- f_ind = T1_AddFont((*file)->value.str.val);
-
- if (f_ind < 0) {
- switch (f_ind) {
- case -1:
- php_error(E_WARNING, "Couldn't find the font file");
- RETURN_FALSE;
- break;
- case -2:
- case -3:
- php_error(E_WARNING, "Memory allocation fault in t1lib");
- RETURN_FALSE;
- break;
- default:
- php_error(E_WARNING, "An unknown error occurred in t1lib");
- RETURN_FALSE;
- break;
- }
- }
-
- if (T1_LoadFont(f_ind)) {
- php_error(E_WARNING, "Couldn't load the font");
- RETURN_FALSE;
- }
-
- font = (int *) emalloc(sizeof(int));
- *font = f_ind;
- ZEND_REGISTER_RESOURCE(return_value, font, GDG(le_ps_font));
-#else
- php_error(E_WARNING, "ImagePsLoadFont: No T1lib support in this PHP build");
- RETURN_FALSE;
-#endif
-}
-/* }}} */
-
-/* {{{ The function in t1lib which this function uses seem to be buggy...
-proto int imagepscopyfont(int font_index)
-Make a copy of a font for purposes like extending or reenconding */
-/*
-PHP_FUNCTION(imagepscopyfont)
-{
-#if HAVE_LIBT1
- pval *fnt;
- int l_ind, type;
- gd_ps_font *nf_ind, *of_ind;
-
- if (ZEND_NUM_ARGS() != 1 || zend_get_parameters(ht, 1, &fnt) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
-
- convert_to_long(fnt);
-
- of_ind = zend_list_find(fnt->value.lval, &type);
-
- if (type != GDG(le_ps_font)) {
- php_error(E_WARNING, "%d is not a Type 1 font index", fnt->value.lval);
- RETURN_FALSE;
- }
-
- nf_ind = emalloc(sizeof(gd_ps_font));
- nf_ind->font_id = T1_CopyFont(of_ind->font_id);
-
- if (nf_ind->font_id < 0) {
- l_ind = nf_ind->font_id;
- efree(nf_ind);
- switch (l_ind) {
- case -1:
- php_error(E_WARNING, "FontID %d is not loaded in memory", l_ind);
- RETURN_FALSE;
- break;
- case -2:
- php_error(E_WARNING, "Tried to copy a logical font");
- RETURN_FALSE;
- break;
- case -3:
- php_error(E_WARNING, "Memory allocation fault in t1lib");
- RETURN_FALSE;
- break;
- default:
- php_error(E_WARNING, "An unknown error occurred in t1lib");
- RETURN_FALSE;
- break;
- }
- }
-
- nf_ind->extend = 1;
- l_ind = zend_list_insert(nf_ind, GDG(le_ps_font));
- RETURN_LONG(l_ind);
-#else
- php_error(E_WARNING, "ImagePsCopyFont: No T1lib support in this PHP build");
- RETURN_FALSE;
-#endif
-}
-*/
-/* }}} */
-
-/* {{{ proto bool imagepsfreefont(int font_index)
- Free memory used by a font */
-PHP_FUNCTION(imagepsfreefont)
-{
-#if HAVE_LIBT1
- zval **fnt;
- int *f_ind;
-
- if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &fnt) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
-
- ZEND_FETCH_RESOURCE(f_ind, int *, fnt, -1, "Type 1 font", GDG(le_ps_font));
-
- zend_list_delete((*fnt)->value.lval);
- RETURN_TRUE;
-#else
- php_error(E_WARNING, "ImagePsFreeFont: No T1lib support in this PHP build");
- RETURN_FALSE;
-#endif
-}
-/* }}} */
-
-/* {{{ proto bool imagepsencodefont(int font_index, string filename)
- To change a fonts character encoding vector */
-PHP_FUNCTION(imagepsencodefont)
-{
-#if HAVE_LIBT1
- zval **fnt, **enc;
- char **enc_vector;
- int *f_ind;
-
- if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &fnt, &enc) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
-
- convert_to_string_ex(enc);
-
- ZEND_FETCH_RESOURCE(f_ind, int *, fnt, -1, "Type 1 font", GDG(le_ps_font));
-
- if ((enc_vector = T1_LoadEncoding((*enc)->value.str.val)) == NULL) {
- php_error(E_WARNING, "Couldn't load encoding vector from %s", (*enc)->value.str.val);
- RETURN_FALSE;
- }
-
- T1_DeleteAllSizes(*f_ind);
- if (T1_ReencodeFont(*f_ind, enc_vector)) {
- T1_DeleteEncoding(enc_vector);
- php_error(E_WARNING, "Couldn't reencode font");
- RETURN_FALSE;
- }
- zend_list_insert(enc_vector, GDG(le_ps_enc));
- RETURN_TRUE;
-#else
- php_error(E_WARNING, "ImagePsEncodeFont: No T1lib support in this PHP build");
- RETURN_FALSE;
-#endif
-}
-/* }}} */
-
-/* {{{ proto bool imagepsextendfont(int font_index, double extend)
- Extend or or condense (if extend < 1) a font */
-PHP_FUNCTION(imagepsextendfont)
-{
-#if HAVE_LIBT1
- zval **fnt, **ext;
- int *f_ind;
-
- if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &fnt, &ext) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
-
- convert_to_double_ex(ext);
-
- ZEND_FETCH_RESOURCE(f_ind, int *, fnt, -1, "Type 1 font", GDG(le_ps_font));
-
- if (T1_ExtendFont(*f_ind, (*ext)->value.dval) != 0) RETURN_FALSE;
-
- RETURN_TRUE;
-#else
- php_error(E_WARNING, "ImagePsExtendFont: No T1lib support in this PHP build");
- RETURN_FALSE;
-#endif
-}
-/* }}} */
-
-/* {{{ proto bool imagepsslantfont(int font_index, double slant)
- Slant a font */
-PHP_FUNCTION(imagepsslantfont)
-{
-#if HAVE_LIBT1
- zval **fnt, **slt;
- int *f_ind;
-
- if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &fnt, &slt) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
-
- convert_to_double_ex(slt);
-
- ZEND_FETCH_RESOURCE(f_ind, int *, fnt, -1, "Type 1 font", GDG(le_ps_font));
-
- if (T1_SlantFont(*f_ind, (*slt)->value.dval) != 0) RETURN_FALSE;
- RETURN_TRUE;
-#else
- php_error(E_WARNING, "ImagePsSlantFont: No T1lib support in this PHP build");
- RETURN_FALSE;
-#endif
-}
-/* }}} */
-
-/* {{{ proto array imagepstext(int image, string text, int font, int size, int xcoord, int ycoord [, int space, int tightness, double angle, int antialias])
- Rasterize a string over an image */
-PHP_FUNCTION(imagepstext)
-{
-#if HAVE_LIBT1
- zval **img, **str, **fnt, **sz, **fg, **bg, **sp, **px, **py, **aas, **wd, **ang;
- int i, j, x, y;
- int space;
- int *f_ind;
- int h_lines, v_lines, c_ind;
- int rd, gr, bl, fg_rd, fg_gr, fg_bl, bg_rd, bg_gr, bg_bl;
- int aa[16], aa_steps;
- int width, amount_kern, add_width;
- double angle, extend;
- unsigned long aa_greys[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16};
- gdImagePtr bg_img;
- GLYPH *str_img;
- T1_OUTLINE *char_path, *str_path;
- T1_TMATRIX *transform = NULL;
-
- switch(ZEND_NUM_ARGS()) {
- case 8:
- if (zend_get_parameters_ex(8, &img, &str, &fnt, &sz, &fg, &bg, &px, &py) == FAILURE) {
- RETURN_FALSE;
- }
- convert_to_string_ex(str);
- convert_to_long_ex(sz);
- convert_to_long_ex(fg);
- convert_to_long_ex(bg);
- convert_to_long_ex(px);
- convert_to_long_ex(py);
- x = (*px)->value.lval;
- y = (*py)->value.lval;
- space = 0;
- aa_steps = 4;
- width = 0;
- angle = 0;
- break;
- case 12:
- if (zend_get_parameters_ex(12, &img, &str, &fnt, &sz, &fg, &bg, &px, &py, &sp, &wd, &ang, &aas) == FAILURE) {
- RETURN_FALSE;
- }
- convert_to_string_ex(str);
- convert_to_long_ex(sz);
- convert_to_long_ex(sp);
- convert_to_long_ex(fg);
- convert_to_long_ex(bg);
- convert_to_long_ex(px);
- convert_to_long_ex(py);
- x = (*px)->value.lval;
- y = (*py)->value.lval;
- convert_to_long_ex(sp);
- space = (*sp)->value.lval;
- convert_to_long_ex(aas);
- aa_steps = (*aas)->value.lval;
- convert_to_long_ex(wd);
- width = (*wd)->value.lval;
- convert_to_double_ex(ang);
- angle = (*ang)->value.dval;
- break;
- default:
- WRONG_PARAM_COUNT;
- }
-
- ZEND_FETCH_RESOURCE(bg_img, gdImagePtr, img, -1, "Image", GDG(le_gd));
- ZEND_FETCH_RESOURCE(f_ind, int *, fnt, -1, "Type 1 font", GDG(le_ps_font));
-
- fg_rd = gdImageRed(bg_img, (*fg)->value.lval);
- fg_gr = gdImageGreen(bg_img, (*fg)->value.lval);
- fg_bl = gdImageBlue(bg_img, (*fg)->value.lval);
- bg_rd = gdImageRed(bg_img, (*bg)->value.lval);
- bg_gr = gdImageGreen(bg_img, (*bg)->value.lval);
- bg_bl = gdImageBlue(bg_img, (*bg)->value.lval);
-
- for (i = 0; i < aa_steps; i++) {
- rd = bg_rd+(double)(fg_rd-bg_rd)/aa_steps*(i+1);
- gr = bg_gr+(double)(fg_gr-bg_gr)/aa_steps*(i+1);
- bl = bg_bl+(double)(fg_bl-bg_bl)/aa_steps*(i+1);
- aa[i] = gdImageColorResolve(bg_img, rd, gr, bl);
- }
-
- T1_AASetBitsPerPixel(8);
-
- switch (aa_steps) {
- case 4:
- T1_AASetGrayValues(0, 1, 2, 3, 4);
- T1_AASetLevel(T1_AA_LOW);
- break;
- case 16:
- T1_AAHSetGrayValues(aa_greys);
- T1_AASetLevel(T1_AA_HIGH);
- break;
- default:
- php_error(E_WARNING, "Invalid value %d as number of steps for antialiasing", aa_steps);
- RETURN_FALSE;
- }
-
- if (angle) {
- transform = T1_RotateMatrix(NULL, angle);
- }
-
- if (width) {
- extend = T1_GetExtend(*f_ind);
- str_path = T1_GetCharOutline(*f_ind, (*str)->value.str.val[0], (*sz)->value.lval, transform);
-
- for (i = 1; i < (*str)->value.str.len; i++) {
- amount_kern = (int) T1_GetKerning(*f_ind, (*str)->value.str.val[i-1], (*str)->value.str.val[i]);
- amount_kern += (*str)->value.str.val[i-1] == ' ' ? space : 0;
- add_width = (int) (amount_kern+width)/extend;
-
- char_path = T1_GetMoveOutline(*f_ind, add_width, 0, 0, (*sz)->value.lval, transform);
- str_path = T1_ConcatOutlines(str_path, char_path);
-
- char_path = T1_GetCharOutline(*f_ind, (*str)->value.str.val[i], (*sz)->value.lval, transform);
- str_path = T1_ConcatOutlines(str_path, char_path);
- }
- str_img = T1_AAFillOutline(str_path, 0);
- } else {
- str_img = T1_AASetString(*f_ind, (*str)->value.str.val, (*str)->value.str.len,
- space, T1_KERNING, (*sz)->value.lval, transform);
- }
-
- if (T1_errno) {
- php_error(E_WARNING, "libt1 returned error %d", T1_errno);
- RETURN_FALSE;
- }
-
- h_lines = str_img->metrics.ascent - str_img->metrics.descent;
- v_lines = str_img->metrics.rightSideBearing - str_img->metrics.leftSideBearing;
-
- for (i = 0; i < v_lines; i++) {
- for (j = 0; j < h_lines; j++) {
- switch (str_img->bits[j*v_lines+i]) {
- case 0:
- break;
- default:
- c_ind = aa[str_img->bits[j*v_lines+i]-1];
- gdImageSetPixel(bg_img, x+str_img->metrics.leftSideBearing+i, y-str_img->metrics.ascent+j, c_ind);
- }
- }
- }
-
- if (array_init(return_value) == FAILURE) {
- php_error(E_WARNING, "Couldn't initialize array for returning bounding box");
- RETURN_FALSE;
- }
-
- add_next_index_long(return_value, str_img->metrics.leftSideBearing);
- add_next_index_long(return_value, str_img->metrics.descent);
- add_next_index_long(return_value, str_img->metrics.rightSideBearing);
- add_next_index_long(return_value, str_img->metrics.ascent);
-
-#else
- php_error(E_WARNING, "ImagePsText: No T1lib support in this PHP build");
- RETURN_FALSE;
-#endif
-}
-/* }}} */
-
-/* {{{ proto array imagepsbbox(string text, int font, int size [, int space, int tightness, int angle])
- Return the bounding box needed by a string if rasterized */
-PHP_FUNCTION(imagepsbbox)
-{
-#if HAVE_LIBT1
- zval **str, **fnt, **sz, **sp, **wd, **ang;
- int i, space, add_width, char_width, amount_kern;
- int cur_x, cur_y, dx, dy;
- int x1, y1, x2, y2, x3, y3, x4, y4;
- int *f_ind;
- int per_char = 0;
- double angle, sin_a = 0, cos_a = 0;
- BBox char_bbox, str_bbox = {0, 0, 0, 0};
-
- switch(ZEND_NUM_ARGS()) {
- case 3:
- if (zend_get_parameters_ex(3, &str, &fnt, &sz) == FAILURE) {
- RETURN_FALSE;
- }
- convert_to_string_ex(str);
- convert_to_long_ex(sz);
- space = 0;
- break;
- case 6:
- if (zend_get_parameters_ex(6, &str, &fnt, &sz, &sp, &wd, &ang) == FAILURE) {
- RETURN_FALSE;
- }
- convert_to_string_ex(str);
- convert_to_long_ex(sz);
- convert_to_long_ex(sp);
- space = (*sp)->value.lval;
- convert_to_long_ex(wd);
- add_width = (*wd)->value.lval;
- convert_to_double_ex(ang);
- angle = (*ang)->value.dval * M_PI / 180;
- sin_a = sin(angle);
- cos_a = cos(angle);
- per_char = add_width || angle ? 1 : 0;
- break;
- default:
- WRONG_PARAM_COUNT;
- }
-
- ZEND_FETCH_RESOURCE(f_ind, int *, fnt, -1, "Type 1 font", GDG(le_ps_font));
-
-#define max(a, b) (a > b ? a : b)
-#define min(a, b) (a < b ? a : b)
-#define new_x(a, b) (int) ((a) * cos_a - (b) * sin_a)
-#define new_y(a, b) (int) ((a) * sin_a + (b) * cos_a)
-
- if (per_char) {
- space += T1_GetCharWidth(*f_ind, ' ');
- cur_x = cur_y = 0;
-
- for (i = 0; i < (*str)->value.str.len; i++) {
- if ((*str)->value.str.val[i] == ' ') {
- char_bbox.llx = char_bbox.lly = char_bbox.ury = 0;
- char_bbox.urx = char_width = space;
- } else {
- char_bbox = T1_GetCharBBox(*f_ind, (*str)->value.str.val[i]);
- char_width = T1_GetCharWidth(*f_ind, (*str)->value.str.val[i]);
- }
- amount_kern = i ? T1_GetKerning(*f_ind, (*str)->value.str.val[i-1], (*str)->value.str.val[i]) : 0;
-
- /* Transfer character bounding box to right place */
- x1 = new_x(char_bbox.llx, char_bbox.lly) + cur_x;
- y1 = new_y(char_bbox.llx, char_bbox.lly) + cur_y;
- x2 = new_x(char_bbox.llx, char_bbox.ury) + cur_x;
- y2 = new_y(char_bbox.llx, char_bbox.ury) + cur_y;
- x3 = new_x(char_bbox.urx, char_bbox.ury) + cur_x;
- y3 = new_y(char_bbox.urx, char_bbox.ury) + cur_y;
- x4 = new_x(char_bbox.urx, char_bbox.lly) + cur_x;
- y4 = new_y(char_bbox.urx, char_bbox.lly) + cur_y;
-
- /* Find min & max values and compare them with current bounding box */
- str_bbox.llx = min(str_bbox.llx, min(x1, min(x2, min(x3, x4))));
- str_bbox.lly = min(str_bbox.lly, min(y1, min(y2, min(y3, y4))));
- str_bbox.urx = max(str_bbox.urx, max(x1, max(x2, max(x3, x4))));
- str_bbox.ury = max(str_bbox.ury, max(y1, max(y2, max(y3, y4))));
-
- /* Move to the next base point */
- dx = new_x(char_width + add_width + amount_kern, 0);
- dy = new_y(char_width + add_width + amount_kern, 0);
- cur_x += dx;
- cur_y += dy;
- /*
- printf("%d\t%d\t%d\t%d\t%d\t%d\t%d\t%d\t%d\t%d\t%d\t%d\t%d\t%d\t%d\t%d\t%d\t%d\n", x1, y1, x2, y2, x3, y3, x4, y4, char_bbox.llx, char_bbox.lly, char_bbox.urx, char_bbox.ury, char_width, amount_kern, cur_x, cur_y, dx, dy);
- */
- }
-
- } else {
- str_bbox = T1_GetStringBBox(*f_ind, (*str)->value.str.val, (*str)->value.str.len, space, T1_KERNING);
- }
- if (T1_errno) RETURN_FALSE;
-
- if (array_init(return_value) == FAILURE) {
- RETURN_FALSE;
- }
- /*
- printf("%d %d %d %d\n", str_bbox.llx, str_bbox.lly, str_bbox.urx, str_bbox.ury);
- */
- add_next_index_long(return_value, (int) ceil(((double) str_bbox.llx)*(*sz)->value.lval/1000));
- add_next_index_long(return_value, (int) ceil(((double) str_bbox.lly)*(*sz)->value.lval/1000));
- add_next_index_long(return_value, (int) ceil(((double) str_bbox.urx)*(*sz)->value.lval/1000));
- add_next_index_long(return_value, (int) ceil(((double) str_bbox.ury)*(*sz)->value.lval/1000));
-#else
- php_error(E_WARNING, "ImagePsBBox: No T1lib support in this PHP build");
- RETURN_FALSE;
-#endif
-}
-/* }}} */
-
-#endif /* HAVE_LIBGD */
-
-
-/*
- * Local variables:
- * tab-width: 4
- * c-basic-offset: 4
- * End:
- */