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php_gmagick_macros.h
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php_gmagick_macros.h
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/*
+----------------------------------------------------------------------+
| PHP Version 5 / Gmagick |
+----------------------------------------------------------------------+
| Copyright (c) 2009 Vito Chin, Mikko Koppanen |
+----------------------------------------------------------------------+
| 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 |
| [email protected] so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Mikko Kopppanen <[email protected]> |
| Vito Chin <[email protected]> |
+----------------------------------------------------------------------+
*/
#ifndef HAVE_PHP_GMAGICK_MACROS_H
# define HAVE_PHP_GMAGICK_MACROS_H
/* {{{ GMAGICK_CHAIN_METHOD */
#define GMAGICK_CHAIN_METHOD RETURN_ZVAL(getThis(), 1, 0);
/* }}} */
/* Define a set of macros to throw exceptions */
#define GMAGICK_THROW_EXCEPTION_WITH_MESSAGE(type, description, code) \
{ \
switch(type) { \
case 1: \
zend_throw_exception(php_gmagick_exception_class_entry, description, (long)code TSRMLS_CC); \
RETURN_NULL(); \
break; \
case 2: \
zend_throw_exception(php_gmagickdraw_exception_class_entry, description, (long)code TSRMLS_CC); \
RETURN_NULL(); \
break; \
case 3: \
zend_throw_exception(php_gmagickpixel_exception_class_entry, description, (long)code TSRMLS_CC); \
RETURN_NULL(); \
break; \
} \
} \
/* }}} */
/* {{{ GMAGICK_REGISTER_CONST_LONG(const_name, value)
*/
#define GMAGICK_REGISTER_CONST_LONG(const_name, value) \
zend_declare_class_constant_long(php_gmagick_sc_entry, const_name, sizeof(const_name)-1, (long)value TSRMLS_CC);
/* }}} */
/* {{{ GMAGICK_REGISTER_CONST_STRING(const_name, value)
*/
#define GMAGICK_REGISTER_CONST_STRING(const_name, value) \
zend_declare_class_constant_string(php_gmagick_sc_entry, const_name, sizeof(const_name)-1, value TSRMLS_CC);
/* }}} */
/* {{{ GMAGICK_FREE_MEMORY(type, value)
*/
#define GMAGICK_FREE_MEMORY(type, value) \
if (value != (type) NULL) { \
MagickRelinquishMemory(value); \
value = (type)NULL; \
}
/* }}} */
/* {{{ GMAGICK_THROW_GMAGICK_EXCEPTION_EX(magick_wand, fallback)
*/
#define GMAGICK_THROW_GMAGICK_EXCEPTION_EX(magick_wand, fallback) \
{ \
ExceptionType severity; \
char *description; \
description = MagickGetException(magick_wand, &severity); \
if (description && strlen(description) == 0) { \
GMAGICK_FREE_MEMORY(char *, description); \
description = NULL; \
} \
if (!description) { \
zend_throw_exception(php_gmagick_exception_class_entry, fallback, 1 TSRMLS_CC); \
} else { \
zend_throw_exception(php_gmagick_exception_class_entry, description, (long)severity TSRMLS_CC); \
GMAGICK_FREE_MEMORY(char *, description); \
} \
}
/* }}} */
/* {{{ GMAGICK_THROW_GMAGICK_EXCEPTION(magick_wand, fallback)
*/
#define GMAGICK_THROW_GMAGICK_EXCEPTION(magick_wand, fallback) \
GMAGICK_THROW_GMAGICK_EXCEPTION_EX(magick_wand, fallback); \
return;
/* }}} */
/* {{{ GMAGICK_CALCULATE_THUMBNAIL_SIDES(magick_wand, desired_width, desired_height, fit)
*/
#define GMAGICK_CALCULATE_THUMBNAIL_SIDES(magick_wand, desired_width, desired_height, fit) \
{ \
long orig_width = MagickGetImageWidth(magick_wand);\
long orig_height = MagickGetImageHeight(magick_wand);\
double ratio;\
if (fit) { \
if ((desired_width <= 0) || (desired_height <= 0)) { \
GMAGICK_THROW_GMAGICK_EXCEPTION(magick_wand, "Invalid image geometry"); \
} \
if ((orig_width <= desired_width) && (orig_height <= desired_height)) { \
RETURN_TRUE; \
} \
if ((orig_width - desired_width) > (orig_height - desired_height)) { \
ratio = (double)orig_width / (double)desired_width; \
desired_height = (double)orig_height / ratio; \
} else { \
ratio = (double)orig_height / (double)desired_height; \
desired_width = (double)orig_width / ratio; \
} \
if (desired_width < 1) { \
desired_width = 1; \
} \
if (desired_height < 1) { \
desired_height = 1; \
} \
} else { \
if ((desired_width <= 0) && (desired_height <= 0)) { \
GMAGICK_THROW_GMAGICK_EXCEPTION(magick_wand, "Invalid image geometry"); \
} \
if (desired_width <= 0) { \
ratio = (double)orig_height / (double)desired_height; \
desired_width = orig_width / ratio; \
} else if (desired_height <= 0) { \
ratio = (double)orig_width / (double)desired_width; \
desired_height = orig_height / ratio; \
} \
}\
}
/* }}} */
/* {{{ GMAGICK_CHECK_NOT_EMPTY(magick_wand, type, code)
*/
#define GMAGICK_CHECK_NOT_EMPTY(magick_wand, type, code)\
if(MagickGetNumberImages(magick_wand) == 0) { \
GMAGICK_THROW_EXCEPTION_WITH_MESSAGE(GMAGICK_CLASS, "Can not process empty Gmagick object", (long)code); \
} \
/* }}} */
/* {{{ GMAGICK_REPLACE_MAGICKWAND(intern, new_wand)
*/
#define GMAGICK_REPLACE_MAGICKWAND(intern, new_wand)\
if(intern->magick_wand != (MagickWand *)NULL) {\
DestroyMagickWand(intern->magick_wand);\
intern->magick_wand = NULL; \
intern->magick_wand = new_wand;\
} else {\
intern->magick_wand = new_wand;\
} \
/* }}} */
/* {{{ GMAGICKPIXEL_REPLACE_PIXELWAND(intern, new_wand)
*/
#define GMAGICKPIXEL_REPLACE_PIXELWAND(intern, new_wand)\
if(intern->pixel_wand != (PixelWand *)NULL) {\
DestroyPixelWand(intern->pixel_wand);\
intern->pixel_wand = NULL; \
intern->pixel_wand = new_wand;\
} else {\
intern->pixel_wand = new_wand;\
} \
/* }}} */
/* {{{ GMAGICK_CLONE_PIXELWAND(source, target) */
#define GMAGICK_CLONE_PIXELWAND(source, target) \
target = (PixelWand *)NewPixelWand(); \
PixelSetColorCount(target, PixelGetColorCount(source)); \
PixelSetRed(target, PixelGetRed(source)); \
PixelSetGreen(target, PixelGetGreen(source)); \
PixelSetBlue(target, PixelGetBlue(source)); \
PixelSetOpacity(target, PixelGetOpacity(source));
/* }}} */
/* GraphicsMagick 1.3.3 is missing PixelGetException */
#define GMAGICK_THROW_GMAGICKPIXEL_EXCEPTION(pixel_wand, fallback) \
{ \
zend_throw_exception(php_gmagickpixel_exception_class_entry, fallback, 2 TSRMLS_CC); \
RETURN_NULL(); \
}
/* }}} */
#if GMAGICK_LIB_MASK < 1002000
/* GraphicsMagick 1.1.x is missing DrawGetException */
#define GMAGICK_THROW_GMAGICKDRAW_EXCEPTION(drawing_wand, fallback, code) \
{ \
zend_throw_exception(php_gmagickdraw_exception_class_entry, fallback, 2 TSRMLS_CC); \
RETURN_NULL(); \
}
/* }}} */
#else
/* {{{ GMAGICK_THROW_GMAGICKDRAW_EXCEPTION(drawing_wand, fallback, code) */
#define GMAGICK_THROW_GMAGICKDRAW_EXCEPTION(drawing_wand, fallback, code) \
{ \
ExceptionType severity; \
char *description; \
description = DrawGetException(drawing_wand, &severity); \
if (strlen(description) == 0) { \
GMAGICK_FREE_MEMORY(char *, description); \
} \
if (!description) { \
zend_throw_exception(php_gmagickdraw_exception_class_entry, fallback, (long)code TSRMLS_CC); \
RETURN_NULL(); \
} else { \
zend_throw_exception(php_gmagickdraw_exception_class_entry, description, (long)severity TSRMLS_CC); \
GMAGICK_FREE_MEMORY(char *, description); \
DrawClearException(drawing_wand); \
RETURN_NULL(); \
} \
} \
/* }}} */
#endif
/* {{{ GMAGICK_CLONE_PIXELWAND(source, target) */
#define GMAGICK_CAST_PARAMETER_TO_COLOR(param, internp, caller) \
switch (Z_TYPE_P(param)) { \
case IS_STRING: \
{ \
zval *object; \
PixelWand *pixel_wand = NewPixelWand(); \
if (!PixelSetColor(pixel_wand, Z_STRVAL_P(param))) { \
GMAGICK_THROW_GMAGICKPIXEL_EXCEPTION(pixel_wand, "Unrecognized color string"); \
return; \
} \
MAKE_STD_ZVAL(object); \
object_init_ex(object, php_gmagickpixel_sc_entry); \
internp = (php_gmagickpixel_object *)zend_object_store_get_object(object TSRMLS_CC); \
efree(object); \
GMAGICKPIXEL_REPLACE_PIXELWAND(internp, pixel_wand); \
} \
break; \
case IS_OBJECT: \
if (instanceof_function_ex(Z_OBJCE_P(param), php_gmagickpixel_sc_entry, 0 TSRMLS_CC)) { \
internp = (php_gmagickpixel_object *)zend_object_store_get_object(param TSRMLS_CC); \
} else { \
GMAGICK_THROW_EXCEPTION_WITH_MESSAGE(caller, "The parameter must be an instance of GmagickPixel or a string", (long)caller); \
} \
break; \
default: \
GMAGICK_THROW_EXCEPTION_WITH_MESSAGE(caller, "Invalid parameter provided", (long)caller); \
break; \
} \
/* }}} */
/* {{{ GMAGICK_CLONE_PIXELWAND(source, target) */
#if PHP_VERSION_ID > 50399
#define GMAGICK_SAFE_MODE_CHECK(filename, status)\
if (filename) { \
if (strlen(filename) > MAXPATHLEN) { \
status = GMAGICK_READ_WRITE_FILENAME_TOO_LONG; \
} \
if (php_check_open_basedir_ex(filename, 0 TSRMLS_CC)) { \
status = GMAGICK_READ_WRITE_OPEN_BASEDIR_ERROR; \
} \
} \
#else
#define GMAGICK_SAFE_MODE_CHECK(filename, status)\
if (filename) { \
if (strlen(filename) > MAXPATHLEN) { \
status = GMAGICK_READ_WRITE_FILENAME_TOO_LONG; \
} \
if (PG(safe_mode) && (!php_checkuid_ex(filename, NULL, CHECKUID_CHECK_FILE_AND_DIR, CHECKUID_NO_ERRORS))) { \
status = GMAGICK_READ_WRITE_SAFE_MODE_ERROR; \
} \
if (php_check_open_basedir_ex(filename, 0 TSRMLS_CC)) { \
status = GMAGICK_READ_WRITE_OPEN_BASEDIR_ERROR; \
} \
} \
#endif
/* }}} */
#define GMAGICKDRAW_CHECK_READ_OR_WRITE_ERROR(internd, filename, error, free)\
switch (error) {\
default:\
case 0:\
/* No error */\
break;\
case 1:\
zend_throw_exception_ex(php_gmagickdraw_exception_class_entry, 1 TSRMLS_CC, "Safe mode restricts user to read file: %s", filename);\
if (free == GMAGICK_FREE_FILENAME) { \
efree(filename); \
}\
RETURN_NULL();\
break;\
case 2:\
zend_throw_exception_ex(php_gmagickdraw_exception_class_entry, 1 TSRMLS_CC, "open_basedir restriction in effect. File(%s) is not within the allowed path(s)", filename);\
if (free == GMAGICK_FREE_FILENAME) { \
efree(filename); \
}\
RETURN_NULL();\
break;\
case 3:\
GMAGICK_THROW_GMAGICKDRAW_EXCEPTION(internd->drawing_wand, "Unable to read file", 1);\
if (free == GMAGICK_FREE_FILENAME) { \
efree(filename); \
}\
RETURN_NULL();\
break;\
} \
/* }}} */
#define GMAGICK_CAST_PARAMETER_TO_OPACITY(param, internp, caller) \
switch (Z_TYPE_P(param)) { \
case IS_LONG: \
case IS_DOUBLE: \
{ \
zval *object; \
PixelWand *pixel_wand = NewPixelWand(); \
PixelSetOpacity(pixel_wand, Z_DVAL_P(param)); \
MAKE_STD_ZVAL(object); \
object_init_ex(object, php_gmagickpixel_sc_entry); \
internp = (php_gmagickpixel_object *)zend_object_store_get_object(object TSRMLS_CC); \
efree(object); \
GMAGICKPIXEL_REPLACE_PIXELWAND(internp, pixel_wand); \
} \
break; \
case IS_OBJECT: \
if (instanceof_function_ex(Z_OBJCE_P(param), php_gmagickpixel_sc_entry, 0 TSRMLS_CC)) { \
internp = (php_gmagickpixel_object *)zend_object_store_get_object(param TSRMLS_CC); \
} else { \
GMAGICK_THROW_EXCEPTION_WITH_MESSAGE(caller, "The parameter must be an instance of GmagickPixel or a string", (long)caller); \
} \
break; \
default: \
GMAGICK_THROW_EXCEPTION_WITH_MESSAGE(caller, "Invalid parameter provided", (long)caller); \
break; \
} \
/* }}} */
/* {{{ GMAGICK_SAFEMODE_OPENBASEDIR_CHECK(filename) */
#if PHP_VERSION_ID > 50399
#define GMAGICK_SAFEMODE_OPENBASEDIR_CHECK(filename) \
if (php_check_open_basedir_ex(filename, 0 TSRMLS_CC)) { \
zend_error(E_WARNING, "open_basedir restriction in effect "); \
return; \
}\
#else
#define GMAGICK_SAFEMODE_OPENBASEDIR_CHECK(filename) \
if (PG(safe_mode) && (!php_checkuid_ex(filename, NULL, CHECKUID_CHECK_FILE_AND_DIR, CHECKUID_NO_ERRORS))) { \
zend_error(E_WARNING, "SAFE MODE restriction in effect "); \
return; \
} \
if (php_check_open_basedir_ex(filename, 0 TSRMLS_CC)) { \
zend_error(E_WARNING, "open_basedir restriction in effect "); \
return; \
}\
#endif
/* }}} */
/* {{{ GMAGICK_SAFEMODE_OPENBASEDIR_CONFIRMACCESS(filename) */
#define GMAGICK_SAFEMODE_OPENBASEDIR_CONFIRMACCESS(filename) \
ExceptionInfo exception_info; \
GetExceptionInfo(&exception_info); \
(void) MagickSetConfirmAccessHandler(SafeModeMonitor); \
if (MagickConfirmAccess(FileReadConfirmAccessMode, filename, &exception_info) \
== MagickFail) \
{ \
DestroyExceptionInfo(&exception_info); \
zend_error(E_WARNING, "SAFE MODE Restriction in effect "); \
return; \
} \
(void) MagickSetConfirmAccessHandler(OpenBaseDirMonitor); \
if (MagickConfirmAccess(FileReadConfirmAccessMode, filename, &exception_info) \
== MagickFail) \
{ \
DestroyExceptionInfo(&exception_info); \
zend_error(E_WARNING, "open_basedir restriction in effect "); \
return; \
} \
/* }}} */
/* {{{ GMAGICK_HAS_FORMAT(buffer, magick_wand, free_buffer) */
#define GMAGICK_HAS_FORMAT(buffer, magick_wand, free_buffer)\
buffer = MagickGetImageFormat(magick_wand);\
if(buffer == (char *)NULL || *buffer == '\0') {\
GMAGICK_FREE_MEMORY(char *, buffer); GMAGICK_THROW_EXCEPTION_WITH_MESSAGE(GMAGICK_CLASS, "Image has no format", 1); \
} else { \
if (free_buffer) GMAGICK_FREE_MEMORY(char *, buffer); \
} \
/* }}} */
#endif