PHP_MINIT_FUNCTION(gd)
{
	le_gd = zend_register_list_destructors_ex(php_free_gd_image, NULL, "gd", module_number);
	le_gd_font = zend_register_list_destructors_ex(php_free_gd_font, NULL, "gd font", module_number);

#if HAVE_GD_BUNDLED && HAVE_LIBFREETYPE
	gdFontCacheMutexSetup();
#endif
#ifndef HAVE_GD_BUNDLED
	gdSetErrorMethod(php_gd_error_method);
#endif
	REGISTER_INI_ENTRIES();

	REGISTER_LONG_CONSTANT("IMG_GIF", 1, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_JPG", 2, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_JPEG", 2, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_PNG", 4, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_WBMP", 8, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_XPM", 16, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_WEBP", 32, CONST_CS | CONST_PERSISTENT);

	/* special colours for gd */
	REGISTER_LONG_CONSTANT("IMG_COLOR_TILED", gdTiled, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_COLOR_STYLED", gdStyled, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_COLOR_BRUSHED", gdBrushed, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_COLOR_STYLEDBRUSHED", gdStyledBrushed, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_COLOR_TRANSPARENT", gdTransparent, CONST_CS | CONST_PERSISTENT);

	/* for imagefilledarc */
	REGISTER_LONG_CONSTANT("IMG_ARC_ROUNDED", gdArc, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_ARC_PIE", gdPie, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_ARC_CHORD", gdChord, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_ARC_NOFILL", gdNoFill, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_ARC_EDGED", gdEdged, CONST_CS | CONST_PERSISTENT);

    /* GD2 image format types */
	REGISTER_LONG_CONSTANT("IMG_GD2_RAW", GD2_FMT_RAW, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_GD2_COMPRESSED", GD2_FMT_COMPRESSED, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_FLIP_HORIZONTAL", GD_FLIP_HORINZONTAL, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_FLIP_VERTICAL", GD_FLIP_VERTICAL, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_FLIP_BOTH", GD_FLIP_BOTH, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_EFFECT_REPLACE", gdEffectReplace, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_EFFECT_ALPHABLEND", gdEffectAlphaBlend, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_EFFECT_NORMAL", gdEffectNormal, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_EFFECT_OVERLAY", gdEffectOverlay, CONST_CS | CONST_PERSISTENT);

	REGISTER_LONG_CONSTANT("IMG_CROP_DEFAULT", GD_CROP_DEFAULT, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_CROP_TRANSPARENT", GD_CROP_TRANSPARENT, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_CROP_BLACK", GD_CROP_BLACK, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_CROP_WHITE", GD_CROP_WHITE, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_CROP_SIDES", GD_CROP_SIDES, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_CROP_THRESHOLD", GD_CROP_THRESHOLD, CONST_CS | CONST_PERSISTENT);


	REGISTER_LONG_CONSTANT("IMG_BELL", GD_BELL, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_BESSEL", GD_BESSEL, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_BILINEAR_FIXED", GD_BILINEAR_FIXED, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_BICUBIC", GD_BICUBIC, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_BICUBIC_FIXED", GD_BICUBIC_FIXED, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_BLACKMAN", GD_BLACKMAN, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_BOX", GD_BOX, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_BSPLINE", GD_BSPLINE, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_CATMULLROM", GD_CATMULLROM, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_GAUSSIAN", GD_GAUSSIAN, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_GENERALIZED_CUBIC", GD_GENERALIZED_CUBIC, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_HERMITE", GD_HERMITE, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_HAMMING", GD_HAMMING, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_HANNING", GD_HANNING, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_MITCHELL", GD_MITCHELL, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_POWER", GD_POWER, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_QUADRATIC", GD_QUADRATIC, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_SINC", GD_SINC, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_NEAREST_NEIGHBOUR", GD_NEAREST_NEIGHBOUR, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_WEIGHTED4", GD_WEIGHTED4, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_TRIANGLE", GD_TRIANGLE, CONST_CS | CONST_PERSISTENT);

	REGISTER_LONG_CONSTANT("IMG_AFFINE_TRANSLATE", GD_AFFINE_TRANSLATE, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_AFFINE_SCALE", GD_AFFINE_SCALE, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_AFFINE_ROTATE", GD_AFFINE_ROTATE, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_AFFINE_SHEAR_HORIZONTAL", GD_AFFINE_SHEAR_HORIZONTAL, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_AFFINE_SHEAR_VERTICAL", GD_AFFINE_SHEAR_VERTICAL, CONST_CS | CONST_PERSISTENT);

#if defined(HAVE_GD_BUNDLED)
	REGISTER_LONG_CONSTANT("GD_BUNDLED", 1, CONST_CS | CONST_PERSISTENT);
#else
	REGISTER_LONG_CONSTANT("GD_BUNDLED", 0, CONST_CS | CONST_PERSISTENT);
#endif

	/* Section Filters */
	REGISTER_LONG_CONSTANT("IMG_FILTER_NEGATE", IMAGE_FILTER_NEGATE, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_FILTER_GRAYSCALE", IMAGE_FILTER_GRAYSCALE, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_FILTER_BRIGHTNESS", IMAGE_FILTER_BRIGHTNESS, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_FILTER_CONTRAST", IMAGE_FILTER_CONTRAST, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_FILTER_COLORIZE", IMAGE_FILTER_COLORIZE, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_FILTER_EDGEDETECT", IMAGE_FILTER_EDGEDETECT, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_FILTER_GAUSSIAN_BLUR", IMAGE_FILTER_GAUSSIAN_BLUR, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_FILTER_SELECTIVE_BLUR", IMAGE_FILTER_SELECTIVE_BLUR, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_FILTER_EMBOSS", IMAGE_FILTER_EMBOSS, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_FILTER_MEAN_REMOVAL", IMAGE_FILTER_MEAN_REMOVAL, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_FILTER_SMOOTH", IMAGE_FILTER_SMOOTH, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("IMG_FILTER_PIXELATE", IMAGE_FILTER_PIXELATE, CONST_CS | CONST_PERSISTENT);
	/* End Section Filters */

#ifdef GD_VERSION_STRING
	REGISTER_STRING_CONSTANT("GD_VERSION", GD_VERSION_STRING, CONST_CS | CONST_PERSISTENT);
#endif

#if defined(GD_MAJOR_VERSION) && defined(GD_MINOR_VERSION) && defined(GD_RELEASE_VERSION) && defined(GD_EXTRA_VERSION)
	REGISTER_LONG_CONSTANT("GD_MAJOR_VERSION", GD_MAJOR_VERSION, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("GD_MINOR_VERSION", GD_MINOR_VERSION, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("GD_RELEASE_VERSION", GD_RELEASE_VERSION, CONST_CS | CONST_PERSISTENT);
	REGISTER_STRING_CONSTANT("GD_EXTRA_VERSION", GD_EXTRA_VERSION, CONST_CS | CONST_PERSISTENT);
#endif


#ifdef HAVE_GD_PNG

	/*
	 * cannot include #include "png.h"
	 * /usr/include/pngconf.h:310:2: error: #error png.h already includes setjmp.h with some additional fixup.
	 * as error, use the values for now...
	 */
	REGISTER_LONG_CONSTANT("PNG_NO_FILTER",	    0x00, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("PNG_FILTER_NONE",   0x08, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("PNG_FILTER_SUB",    0x10, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("PNG_FILTER_UP",     0x20, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("PNG_FILTER_AVG",    0x40, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("PNG_FILTER_PAETH",  0x80, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("PNG_ALL_FILTERS",   0x08 | 0x10 | 0x20 | 0x40 | 0x80, CONST_CS | CONST_PERSISTENT);
#endif

	return SUCCESS;
}