/ext/gd/gd.c

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/*
   +----------------------------------------------------------------------+
   | PHP Version 5                                                        |
   +----------------------------------------------------------------------+
   | Copyright (c) 1997-2011 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 <rasmus@php.net>                             |
   |          Stig Bakken <ssb@php.net>                                   |
   |          Jim Winstead <jimw@php.net>                                 |
   +----------------------------------------------------------------------+
 */

/* $Id: gd.c 306939 2011-01-01 02:19:59Z felipe $ */

/* 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 <math.h>
#include "SAPI.h"
#include "php_gd.h"
#include "ext/standard/info.h"
#include "php_open_temporary_file.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>
# include <windows.h>
# include <Winuser.h>
# include <Wingdi.h>
#endif

#if HAVE_LIBGD
#if !HAVE_GD_BUNDLED
# include "libgd/gd_compat.h"
#endif


static int le_gd, le_gd_font;
#if HAVE_LIBT1
#include <t1lib.h>
static int le_ps_font, le_ps_enc;
static void php_free_ps_font(zend_rsrc_list_entry *rsrc TSRMLS_DC);
static void php_free_ps_enc(zend_rsrc_list_entry *rsrc TSRMLS_DC);
#endif

#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 HAVE_GD_WBMP
#include "libgd/wbmp.h"
#endif
#ifdef ENABLE_GD_TTF
# ifdef HAVE_LIBFREETYPE
#  include <ft2build.h>
#  include FT_FREETYPE_H
# endif
#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

#if HAVE_LIBGD15
/* it's >= 1.5, i.e. has IOCtx */
#define USE_GD_IOCTX 1
#else
#undef USE_GD_IOCTX
#endif

#ifdef USE_GD_IOCTX
#include "gd_ctx.c"
#else
#define gdImageCreateFromGdCtx      NULL
#define gdImageCreateFromGd2Ctx     NULL
#define gdImageCreateFromGd2partCtx NULL
#define gdImageCreateFromGifCtx     NULL
#define gdImageCreateFromJpegCtx    NULL
#define gdImageCreateFromPngCtx     NULL
#define gdImageCreateFromWBMPCtx    NULL
typedef FILE gdIOCtx;
#define CTX_PUTC(c, fp) fputc(c, fp)
#endif

#ifndef HAVE_GDIMAGECOLORRESOLVE
extern int gdImageColorResolve(gdImagePtr, int, int, int);
#endif

#if HAVE_COLORCLOSESTHWB
int gdImageColorClosestHWB(gdImagePtr im, int r, int g, int b);
#endif

#ifndef HAVE_GD_DYNAMIC_CTX_EX
#define gdNewDynamicCtxEx(len, data, val) gdNewDynamicCtx(len, data)
#endif

/* 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 amout 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)() TSRMLS_DC);
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_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()

#if HAVE_GD_BUNDLED
ZEND_BEGIN_ARG_INFO(arginfo_imagelayereffect, 0)
	ZEND_ARG_INFO(0, im)
	ZEND_ARG_INFO(0, effect)
ZEND_END_ARG_INFO()
#endif

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()

#if HAVE_GD_IMAGESETTILE
ZEND_BEGIN_ARG_INFO(arginfo_imagesettile, 0)
	ZEND_ARG_INFO(0, im)
	ZEND_ARG_INFO(0, tile)
ZEND_END_ARG_INFO()
#endif

#if HAVE_GD_IMAGESETBRUSH
ZEND_BEGIN_ARG_INFO(arginfo_imagesetbrush, 0)
	ZEND_ARG_INFO(0, im)
	ZEND_ARG_INFO(0, brush)
ZEND_END_ARG_INFO()
#endif

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()

#if HAVE_LIBGD15
ZEND_BEGIN_ARG_INFO(arginfo_imagecreatefromstring, 0)
	ZEND_ARG_INFO(0, image)
ZEND_END_ARG_INFO()
#endif

#ifdef HAVE_GD_GIF_READ
ZEND_BEGIN_ARG_INFO(arginfo_imagecreatefromgif, 0)
	ZEND_ARG_INFO(0, filename)
ZEND_END_ARG_INFO()
#endif

#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_XBM
ZEND_BEGIN_ARG_INFO(arginfo_imagecreatefromxbm, 0)
	ZEND_ARG_INFO(0, filename)
ZEND_END_ARG_INFO()
#endif

#if defined(HAVE_GD_XPM) && defined(HAVE_GD_BUNDLED)
ZEND_BEGIN_ARG_INFO(arginfo_imagecreatefromxpm, 0)
	ZEND_ARG_INFO(0, filename)
ZEND_END_ARG_INFO()
#endif

#ifdef HAVE_GD_WBMP
ZEND_BEGIN_ARG_INFO(arginfo_imagecreatefromwbmp, 0)
	ZEND_ARG_INFO(0, filename)
ZEND_END_ARG_INFO()
#endif

ZEND_BEGIN_ARG_INFO(arginfo_imagecreatefromgd, 0)
	ZEND_ARG_INFO(0, filename)
ZEND_END_ARG_INFO()

#ifdef HAVE_GD_GD2
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()
#endif

#if HAVE_GD_BUNDLED
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()
#endif

#ifdef HAVE_GD_GIF_CREATE
ZEND_BEGIN_ARG_INFO_EX(arginfo_imagegif, 0, 0, 1)
	ZEND_ARG_INFO(0, im)
	ZEND_ARG_INFO(0, filename)
ZEND_END_ARG_INFO()
#endif

#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_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

#ifdef HAVE_GD_WBMP
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()
#endif

ZEND_BEGIN_ARG_INFO_EX(arginfo_imagegd, 0, 0, 1)
	ZEND_ARG_INFO(0, im)
	ZEND_ARG_INFO(0, filename)
ZEND_END_ARG_INFO()

#ifdef HAVE_GD_GD2
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()
#endif

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()

#if HAVE_LIBGD15
ZEND_BEGIN_ARG_INFO(arginfo_imagepalettecopy, 0)
	ZEND_ARG_INFO(0, dst)
	ZEND_ARG_INFO(0, src)
ZEND_END_ARG_INFO()
#endif

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()

#if HAVE_COLORCLOSESTHWB
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()
#endif

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(arginfo_imagecolorset, 0)
	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_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()

#if HAVE_LIBGD15
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()
#endif

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 && HAVE_GD_STRINGFTEX
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

#ifdef HAVE_LIBT1
ZEND_BEGIN_ARG_INFO(arginfo_imagepsloadfont, 0)
	ZEND_ARG_INFO(0, pathname)
ZEND_END_ARG_INFO()

/*
ZEND_BEGIN_ARG_INFO(arginfo_imagepscopyfont, 0)
	ZEND_ARG_INFO(0, font_index)
ZEND_END_ARG_INFO()
*/

ZEND_BEGIN_ARG_INFO(arginfo_imagepsfreefont, 0)
	ZEND_ARG_INFO(0, font_index)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO(arginfo_imagepsencodefont, 0)
	ZEND_ARG_INFO(0, font_index)
	ZEND_ARG_INFO(0, filename)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO(arginfo_imagepsextendfont, 0)
	ZEND_ARG_INFO(0, font_index)
	ZEND_ARG_INFO(0, extend)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO(arginfo_imagepsslantfont, 0)
	ZEND_ARG_INFO(0, font_index)
	ZEND_ARG_INFO(0, slant)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_imagepstext, 0, 0, 8)
	ZEND_ARG_INFO(0, im)
	ZEND_ARG_INFO(0, text)
	ZEND_ARG_INFO(0, font)
	ZEND_ARG_INFO(0, size)
	ZEND_ARG_INFO(0, foreground)
	ZEND_ARG_INFO(0, background)
	ZEND_ARG_INFO(0, xcoord)
	ZEND_ARG_INFO(0, ycoord)
	ZEND_ARG_INFO(0, space)
	ZEND_ARG_INFO(0, tightness)
	ZEND_ARG_INFO(0, angle)
	ZEND_ARG_INFO(0, antialias)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_imagepsbbox, 0, 0, 3)
	ZEND_ARG_INFO(0, text)
	ZEND_ARG_INFO(0, font)
	ZEND_ARG_INFO(0, size)
	ZEND_ARG_INFO(0, space)
	ZEND_ARG_INFO(0, tightness)
	ZEND_ARG_INFO(0, angle)
ZEND_END_ARG_INFO()
#endif

#ifdef HAVE_GD_WBMP
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()
#endif

#if defined(HAVE_GD_JPG) && defined(HAVE_GD_WBMP)
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) && defined(HAVE_GD_WBMP)
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()

#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

/* }}} */

/* {{{ 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)
#if HAVE_LIBGD15
	PHP_FE(imagepalettecopy,						arginfo_imagepalettecopy)
	PHP_FE(imagecreatefromstring,					arginfo_imagecreatefromstring)
#endif
	PHP_FE(imagecolorclosest,						arginfo_imagecolorclosest)
#if HAVE_COLORCLOSESTHWB
	PHP_FE(imagecolorclosesthwb,					arginfo_imagecolorclosesthwb)
#endif
	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)
#if HAVE_LIBGD15
	PHP_FE(imagecopymerge,							arginfo_imagecopymerge)
	PHP_FE(imagecopymergegray,						arginfo_imagecopymergegray)
#endif
	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(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)

#ifdef HAVE_GD_BUNDLED
	PHP_FE(imageantialias,							arginfo_imageantialias)
#endif

#if HAVE_GD_IMAGESETTILE
	PHP_FE(imagesettile,							arginfo_imagesettile)
#endif

#if HAVE_GD_IMAGESETBRUSH
	PHP_FE(imagesetbrush,							arginfo_imagesetbrush)
#endif

	PHP_FE(imagesetstyle,							arginfo_imagesetstyle)

#ifdef HAVE_GD_PNG
	PHP_FE(imagecreatefrompng,						arginfo_imagecreatefrompng)
#endif
#ifdef HAVE_GD_GIF_READ
	PHP_FE(imagecreatefromgif,						arginfo_imagecreatefromgif)
#endif
#ifdef HAVE_GD_JPG
	PHP_FE(imagecreatefromjpeg,						arginfo_imagecreatefromjpeg)
#endif
#ifdef HAVE_GD_WBMP
	PHP_FE(imagecreatefromwbmp,						arginfo_imagecreatefromwbmp)
#endif
#ifdef HAVE_GD_XBM
	PHP_FE(imagecreatefromxbm,						arginfo_imagecreatefromxbm)
#endif
#if defined(HAVE_GD_XPM) && defined(HAVE_GD_BUNDLED)
	PHP_FE(imagecreatefromxpm,						arginfo_imagecreatefromxpm)
#endif
	PHP_FE(imagecreatefromgd,						arginfo_imagecreatefromgd)
#ifdef HAVE_GD_GD2
	PHP_FE(imagecreatefromgd2,						arginfo_imagecreatefromgd2)
	PHP_FE(imagecreatefromgd2part,					arginfo_imagecreatefromgd2part)
#endif
#ifdef HAVE_GD_PNG
	PHP_FE(imagepng,								arginfo_imagepng)
#endif
#ifdef HAVE_GD_GIF_CREATE
	PHP_FE(imagegif,								arginfo_imagegif)
#endif
#ifdef HAVE_GD_JPG
	PHP_FE(imagejpeg,								arginfo_imagejpeg)
#endif
#ifdef HAVE_GD_WBMP
	PHP_FE(imagewbmp,                               arginfo_imagewbmp)
#endif
	PHP_FE(imagegd,									arginfo_imagegd)
#ifdef HAVE_GD_GD2
	PHP_FE(imagegd2,								arginfo_imagegd2)
#endif

	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_LIBFREETYPE && HAVE_GD_STRINGFTEX
	PHP_FE(imageftbbox,								arginfo_imageftbbox)
	PHP_FE(imagefttext,								arginfo_imagefttext)
#endif
#endif

#ifdef HAVE_LIBT1
	PHP_FE(imagepsloadfont,							arginfo_imagepsloadfont)
	/*
	PHP_FE(imagepscopyfont,							arginfo_imagepscopyfont)
	*/
	PHP_FE(imagepsfreefont,							arginfo_imagepsfreefont)
	PHP_FE(imagepsencodefont,						arginfo_imagepsencodefont)
	PHP_FE(imagepsextendfont,						arginfo_imagepsextendfont)
	PHP_FE(imagepsslantfont,						arginfo_imagepsslantfont)
	PHP_FE(imagepstext,								arginfo_imagepstext)
	PHP_FE(imagepsbbox,								arginfo_imagepsbbox)
#endif
	PHP_FE(imagetypes,								arginfo_imagetypes)

#if defined(HAVE_GD_JPG) && defined(HAVE_GD_WBMP)
	PHP_FE(jpeg2wbmp,								arginfo_jpeg2wbmp)
#endif
#if defined(HAVE_GD_PNG) && defined(HAVE_GD_WBMP)
	PHP_FE(png2wbmp,								arginfo_png2wbmp)
#endif
#ifdef HAVE_GD_WBMP
	PHP_FE(image2wbmp,								arginfo_image2wbmp)
#endif
#if HAVE_GD_BUNDLED
	PHP_FE(imagelayereffect,						arginfo_imagelayereffect)
	PHP_FE(imagexbm,                                arginfo_imagexbm)
#endif

	PHP_FE(imagecolormatch,							arginfo_imagecolormatch)

/* gd filters */
	PHP_FE(imagefilter,     						arginfo_imagefilter)
	PHP_FE(imageconvolution,						arginfo_imageconvolution)

	{NULL, NULL, NULL}
};
/* }}} */

zend_module_entry gd_module_entry = {
	STANDARD_MODULE_HEADER,
	"gd",
	gd_functions,
	PHP_MINIT(gd),
#if HAVE_LIBT1 || HAVE_GD_FONTMUTEX
	PHP_MSHUTDOWN(gd),
#else
	NULL,
#endif
	NULL,
#if HAVE_GD_STRINGFT && (HAVE_LIBFREETYPE && (HAVE_GD_FONTCACHESHUTDOWN || HAVE_GD_FREEFONTCACHE))
	PHP_RSHUTDOWN(gd),
#else
	NULL,
#endif
	PHP_MINFO(gd),
	NO_VERSION_YET,
	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_rsrc_list_entry *rsrc TSRMLS_DC)
{
	gdImageDestroy((gdImagePtr) rsrc->ptr);
}
/* }}} */

/* {{{ php_free_gd_font
 */
static void php_free_gd_font(zend_rsrc_list_entry *rsrc TSRMLS_DC)
{
	gdFontPtr fp = (gdFontPtr) rsrc->ptr;

	if (fp->data) {
		efree(fp->data);
	}

	efree(fp);
}
/* }}} */

/* {{{ PHP_MSHUTDOWN_FUNCTION
 */
#if HAVE_LIBT1 || HAVE_GD_FONTMUTEX
PHP_MSHUTDOWN_FUNCTION(gd)
{
#if HAVE_LIBT1
	T1_CloseLib();
#endif
#if HAVE_GD_FONTMUTEX && HAVE_LIBFREETYPE
	gdFontCacheMutexShutdown();
#endif
	UNREGISTER_INI_ENTRIES();
	return SUCCESS;
}
#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_FONTMUTEX && HAVE_LIBFREETYPE
	gdFontCacheMutexSetup();
#endif
#if HAVE_LIBT1
	T1_SetBitmapPad(8);
	T1_InitLib(NO_LOGFILE | IGNORE_CONFIGFILE | IGNORE_FONTDATABASE);
	T1_SetLogLevel(T1LOG_DEBUG);
	le_ps_font = zend_register_list_destructors_ex(php_free_ps_font, NULL, "gd PS font", module_number);
	le_ps_enc = zend_register_list_destructors_ex(php_free_ps_enc, NULL, "gd PS encoding", module_number);
#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);
#ifdef gdTiled
	/* 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);
#endif
	/* 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 */
#ifdef GD2_FMT_RAW
	REGISTER_LONG_CONSTANT("IMG_GD2_RAW", GD2_FMT_RAW, CONST_CS | CONST_PERSISTENT);
#endif
#ifdef GD2_FMT_COMPRESSED
	REGISTER_LONG_CONSTANT("IMG_GD2_COMPRESSED", GD2_FMT_COMPRESSED, CONST_CS | CONST_PERSISTENT);
#endif
#if HAVE_GD_BUNDLED
	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("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_STRINGFT && (HAVE_LIBFREETYPE && (HAVE_GD_FONTCACHESHUTDOWN || HAVE_GD_FREEFONTCACHE))
PHP_RSHUTDOWN_FUNCTION(gd)
{
#if HAVE_GD_FONTCACHESHUTDOWN
	gdFontCacheShutdown();
#else
	gdFreeFontCache();
#endif
	return SUCCESS;
}
#endif
/* }}} */

#if HAVE_GD_BUNDLED
#define PHP_GD_VERSION_STRING "bundled (2.0.34 compatible)"
#else
#define PHP_GD_VERSION_STRING "2.0"
#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 */

	php_info_print_table_row(2, "GD Version", PHP_GD_VERSION_STRING);

#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

#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_READ
	php_info_print_table_row(2, "GIF Read Support", "enabled");
#endif
#ifdef HAVE_GD_GIF_CREATE
	php_info_print_table_row(2, "GIF Create Support", "enabled");
#endif
#ifdef HAVE_GD_JPG
	{
		char tmp[12];
		snprintf(tmp, sizeof(tmp), "%s", gdJpegGetVersionString());
		php_info_print_table_row(2, "JPEG Support", "enabled");
		php_info_print_table_row(2, "libJPEG Version", tmp);
	}
#endif

#ifdef HAVE_GD_PNG
	php_info_print_table_row(2, "PNG Support", "enabled");
	php_info_print_table_row(2, "libPNG Version", gdPngGetVersionString());
#endif
#ifdef HAVE_GD_WBMP
	php_info_print_table_row(2, "WBMP Support", "enabled");
#endif
#if defined(HAVE_GD_XPM) && defined(HAVE_GD_BUNDLED)
	php_info_print_table_row(2, "XPM Support", "enabled");
#endif
#ifdef HAVE_GD_XBM
	php_info_print_table_row(2, "XBM Support", "enabled");
#endif
#if defined(USE_GD_JISX0208) && defined(HAVE_GD_BUNDLED)
	php_info_print_table_row(2, "JIS-mapped Japanese Font 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, 1);

#ifdef ENABLE_GD_TTF
	add_assoc_bool(return_value, "FreeType Support", 1);
#if HAVE_LIBFREETYPE
	add_assoc_string(return_value, "FreeType Linkage", "with freetype", 1);
#else
	add_assoc_string(return_value, "FreeType Linkage", "with unknown library", 1);
#endif
#else
	add_assoc_bool(return_value, "FreeType Support", 0);
#endif

#ifdef HAVE_LIBT1
	add_assoc_bool(return_value, "T1Lib Support", 1);
#else
	add_assoc_bool(return_value, "T1Lib Support", 0);
#endif
#ifdef HAVE_GD_GIF_READ
	add_assoc_bool(return_value, "GIF Read Support", 1);
#else
	add_assoc_bool(return_value, "GIF Read Support", 0);
#endif
#ifdef HAVE_GD_GIF_CREATE
	add_assoc_bool(return_value, "GIF Create Support", 1);
#else
	add_assoc_bool(return_value, "GIF Create Support", 0);
#endif
#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
#ifdef HAVE_GD_WBMP
	add_assoc_bool(return_value, "WBMP Support", 1);
#else
	add_assoc_bool(return_value, "WBMP Support", 0);
#endif
#if defined(HAVE_GD_XPM) && defined(HAVE_GD_BUNDLED)
	add_assoc_bool(return_value, "XPM Support", 1);
#else
	add_assoc_bool(return_value, "XPM Support", 0);
#endif
#ifdef HAVE_GD_XBM
	add_assoc_bool(return_value, "XBM Support", 1);
#else
	add_assoc_bool(return_value, "XBM Support", 0);
#endif
#if defined(USE_GD_JISX0208) && defined(HAVE_GD_BUNDLED)
	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;
}
/* }}} */

#ifndef HAVE_GDIMAGECOLORRESOLVE

/* {{{ 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

#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)
{
	char *file;
	int file_name, hdr_size = sizeof(gdFont) - sizeof(char *);
	int ind, body_size, n = 0, b, i, body_size_check;
	gdFontPtr font;
	php_stream *stream;

	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &file, &file_name) == FAILURE) {
		return;
	}

	stream = php_stream_open_wrapper(file, "rb", ENFORCE_SAFE_MODE | 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 TSRMLS_CC, E_WARNING, "End of file while reading header");
		} else {
			php_error_docref(NULL TSRMLS_CC, 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)) {
		php_error_docref(NULL TSRMLS_CC, E_WARNING, "Error reading font, invalid font header");
		efree(font);
		php_stream_close(stream);
		RETURN_FALSE;
	}
	if (overflow2(font->nchars * font->h, font->w )) {
		php_error_docref(NULL TSRMLS_CC, 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 TSRMLS_CC, 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 TSRMLS_CC, E_WARNING, "End of file while reading body");
		} else {
			php_error_docref(NULL TSRMLS_CC, E_WARNING, "Error while reading body");
		}
		php_stream_close(stream);
		RETURN_FALSE;
	}
	php_stream_close(stream);

	/* 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, le_gd_font);

	RETURN_LONG(ind);
}
/* }}} */

/* {{{ 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;
	gdImagePtr im;
	int * stylearr;
	int index;
	HashPosition pos;

	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ra", &IM, &styles) == FAILURE)  {
		return;
	}

	ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);

	/* copy the style values in the stylearr */
	stylearr = safe_emalloc(sizeof(int), zend_hash_num_elements(HASH_OF(styles)), 0);

	zend_hash_internal_pointer_reset_ex(HASH_OF(styles), &pos);

	for (index = 0;; zend_hash_move_forward_ex(HASH_OF(styles), &pos))	{
		zval ** item;

		if (zend_hash_get_current_data_ex(HASH_OF(styles), (void **) &item, &pos) == FAILURE) {
			break;
		}

		convert_to_long_ex(item);

		stylearr[index++] = Z_LVAL_PP(item);
	}

	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)
{
	long x_size, y_size;
	gdImagePtr im;

	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "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 TSRMLS_CC, E_WARNING, "Invalid image dimensions");
		RETURN_FALSE;
	}

	im = gdImageCreateTrueColor(x_size, y_size);

	if (!im) {
		RETURN_FALSE;
	}

	ZEND_REGISTER_RESOURCE(return_value, 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() TSRMLS_CC, "r", &IM) == FAILURE) {
		return;
	}

	ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);

	RETURN_BOOL(im->trueColor);
}
/* }}} */

/* {{{ proto void imagetruecolortopalette(resource im, bool ditherFlag, int colorsWanted)
   Convert a true colour image to a palette based image with a number of colours, optionally using dithering. */
PHP_FUNCTION(imagetruecolortopalette)
{
	zval *IM;
	zend_bool dither;
	long ncolors;
	gdImagePtr im;

	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rbl", &IM, &dither, &ncolors) == FAILURE)  {
		return;
	}

	ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);

	if (ncolors <= 0) {
		php_error_docref(NULL TSRMLS_CC, E_WARNING, "Number of colors has to be greater than zero");
		RETURN_FALSE;
	}
	gdImageTrueColorToPalette(im, dither, ncolors);

	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() TSRMLS_CC, "rr", &IM1, &IM2) == FAILURE) {
		return;
	}

	ZEND_FETCH_RESOURCE(im1, gdImagePtr, &IM1, -1, "Image", le_gd);
	ZEND_FETCH_RESOURCE(im2, gdImagePtr, &IM2, -1, "Image", le_gd);

	result = gdImageColorMatch(im1, im2);
	switch (result) {
		case -1:
			php_error_docref(NULL TSRMLS_CC, E_WARNING, "Image1 must be TrueColor" );
			RETURN_FALSE;
			break;
		case -2:
			php_error_docref(NULL TSRMLS_CC, E_WARNING, "Image2 must be Palette" );
			RETURN_FALSE;
			break;
		case -3:
			php_error_docref(NULL TSRMLS_CC, E_WARNING, "Image1 and Image2 must be the same size" );
			RETURN_FALSE;
			break;
		case -4:
			php_error_docref(NULL TSRMLS_CC, 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;
	long thick;
	gdImagePtr im;

	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl", &IM, &thick) == FAILURE) {
		return;
	}

	ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);

	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;
	long cx, cy, w, h, color;
	gdImagePtr im;

	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rlllll", &IM, &cx, &cy, &w, &h, &color) == FAILURE) {
		return;
	}

	ZEND_FETCH_RESOURCE(im, gdImagePtr, &IM, -1, "Image", le_gd);

	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 …