forked from Imagick/imagick
/
imagickpixel_class.c
633 lines (503 loc) · 16.6 KB
/
imagickpixel_class.c
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/*
+----------------------------------------------------------------------+
| PHP Version 5 / Imagick |
+----------------------------------------------------------------------+
| Copyright (c) 2006-2013 Mikko Koppanen, Scott MacVicar |
| Imagemagick (c) ImageMagick Studio LLC |
+----------------------------------------------------------------------+
| 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. |
+----------------------------------------------------------------------+
| Author: Mikko Kopppanen <mkoppanen@php.net> |
| Scott MacVicar <scottmac@php.net> |
+----------------------------------------------------------------------+
*/
#include "php_imagick.h"
#include "php_imagick_defs.h"
#include "php_imagick_macros.h"
#include "php_imagick_helpers.h"
#if MagickLibVersion > 0x628
/* {{{ proto array ImagickPixel::getHSL()
Returns the normalized HSL color of the pixel wand in an array with the keys "hue", "saturation", and "luminosity".
*/
PHP_METHOD(imagickpixel, gethsl)
{
php_imagickpixel_object *internp;
double hue, saturation, luminosity;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "") == FAILURE) {
return;
}
internp = (php_imagickpixel_object *)zend_object_store_get_object(getThis() TSRMLS_CC);
PixelGetHSL(internp->pixel_wand, &hue, &saturation, &luminosity);
array_init(return_value);
add_assoc_double(return_value, "hue", hue);
add_assoc_double(return_value, "saturation", saturation);
add_assoc_double(return_value, "luminosity", luminosity);
return;
}
/* }}} */
/* {{{ proto bool ImagickPixel::setHSL(float hue, float saturation, float luminosity)
Sets the normalized HSL color of the pixel wand.
*/
PHP_METHOD(imagickpixel, sethsl)
{
php_imagickpixel_object *internp;
double hue, saturation, luminosity;
/* Parse parameters given to function */
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ddd", &hue, &saturation, &luminosity) == FAILURE) {
return;
}
internp = (php_imagickpixel_object *)zend_object_store_get_object(getThis() TSRMLS_CC);
PixelSetHSL(internp->pixel_wand, hue, saturation, luminosity);
RETURN_TRUE;
}
/* }}} */
/* {{{ proto int ImagickPixel::getColorValueQuantum(int color)
Gets the quantum color of the ImagickPixel
*/
PHP_METHOD(imagickpixel, getcolorvaluequantum)
{
php_imagickpixel_object *internp;
long color, color_value;
/* Parse parameters given to function */
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &color) == FAILURE) {
return;
}
internp = (php_imagickpixel_object *)zend_object_store_get_object(getThis() TSRMLS_CC);
switch (color) {
case IMAGICKCOLORBLACK:
color_value = PixelGetBlackQuantum(internp->pixel_wand);
break;
case IMAGICKCOLORBLUE:
color_value = PixelGetBlueQuantum(internp->pixel_wand);
break;
case IMAGICKCOLORCYAN:
color_value = PixelGetCyanQuantum(internp->pixel_wand);
break;
case IMAGICKCOLORGREEN:
color_value = PixelGetGreenQuantum(internp->pixel_wand);
break;
case IMAGICKCOLORRED:
color_value = PixelGetRedQuantum(internp->pixel_wand);
break;
case IMAGICKCOLORYELLOW:
color_value = PixelGetYellowQuantum(internp->pixel_wand);
break;
case IMAGICKCOLORMAGENTA:
color_value = PixelGetMagentaQuantum(internp->pixel_wand);
break;
case IMAGICKCOLOROPACITY:
color_value = PixelGetOpacityQuantum(internp->pixel_wand);
break;
case IMAGICKCOLORALPHA:
color_value = PixelGetAlphaQuantum(internp->pixel_wand);
break;
default:
php_imagick_throw_exception (IMAGICKPIXEL_CLASS, "Unknown color type" TSRMLS_CC);
return;
break;
}
RETVAL_LONG(color_value);
}
/* }}} */
/* {{{ proto bool ImagickPixel::setColorValueQuantum(int color, float value)
Sets the quantum color of the ImagickPixel.
*/
PHP_METHOD(imagickpixel, setcolorvaluequantum)
{
php_imagickpixel_object *internp;
long color, color_value;
/* Parse parameters given to function */
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ll", &color, &color_value) == FAILURE) {
return;
}
internp = (php_imagickpixel_object *)zend_object_store_get_object(getThis() TSRMLS_CC);
switch (color) {
case IMAGICKCOLORBLACK:
PixelSetBlackQuantum(internp->pixel_wand, color_value);
break;
case IMAGICKCOLORBLUE:
PixelSetBlueQuantum(internp->pixel_wand, color_value);
break;
case IMAGICKCOLORCYAN:
PixelSetCyanQuantum(internp->pixel_wand, color_value);
break;
case IMAGICKCOLORGREEN:
PixelSetGreenQuantum(internp->pixel_wand, color_value);
break;
case IMAGICKCOLORRED:
PixelSetRedQuantum(internp->pixel_wand, color_value);
break;
case IMAGICKCOLORYELLOW:
PixelSetYellowQuantum(internp->pixel_wand, color_value);
break;
case IMAGICKCOLORMAGENTA:
PixelSetMagentaQuantum(internp->pixel_wand, color_value);
break;
case IMAGICKCOLOROPACITY:
PixelSetOpacityQuantum(internp->pixel_wand, color_value);
break;
case IMAGICKCOLORALPHA:
PixelSetAlphaQuantum(internp->pixel_wand, color_value);
break;
default:
php_imagick_throw_exception (IMAGICKPIXEL_CLASS, "Unknown color type" TSRMLS_CC);
return;
break;
}
RETVAL_TRUE;
}
/* }}} */
/* {{{ proto bool ImagickPixel::getIndex()
Gets the colormap index of the pixel wand
*/
PHP_METHOD(imagickpixel, getindex)
{
php_imagickpixel_object *internp;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "") == FAILURE) {
return;
}
internp = (php_imagickpixel_object *)zend_object_store_get_object(getThis() TSRMLS_CC);
RETVAL_LONG(PixelGetIndex(internp->pixel_wand));
}
/* }}} */
/* {{{ proto bool ImagickPixel::setIndex(int pixel_packet)
Sets the colormap index of the pixel wand
*/
PHP_METHOD(imagickpixel, setindex)
{
php_imagickpixel_object *internp;
long index;
/* Parse parameters given to function */
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &index) == FAILURE) {
return;
}
internp = (php_imagickpixel_object *)zend_object_store_get_object(getThis() TSRMLS_CC);
PixelSetIndex(internp->pixel_wand, index);
RETURN_TRUE;
}
/* }}} */
#endif
/* {{{ proto ImagickPixel ImagickPixel::__construct([string color] )
The ImagickPixel constructor
*/
PHP_METHOD(imagickpixel, __construct)
{
php_imagickpixel_object *internp;
char *color_name = NULL;
int color_name_len = 0;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|s", &color_name, &color_name_len) == FAILURE) {
return;
}
internp = (php_imagickpixel_object *)zend_object_store_get_object(getThis() TSRMLS_CC);
internp->pixel_wand = NewPixelWand();
if (!internp->pixel_wand) {
php_imagick_throw_exception (IMAGICKPIXEL_CLASS, "Failed to allocate PixelWand structure" TSRMLS_CC);
return;
}
/* If color was given as parameter, set it here.*/
if (color_name && color_name_len) {
if (PixelSetColor(internp->pixel_wand, color_name) == MagickFalse) {
php_imagick_throw_exception (IMAGICKPIXEL_CLASS, "Unable to construct ImagickPixel" TSRMLS_CC);
return;
}
}
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool ImagickPixel::setColor(string color)
Sets the color of the pixel wand with a string (e.g. "blue", "#0000ff", "rgb(0,0,255)", "cmyk(100,100,100,10)", etc.).
*/
PHP_METHOD(imagickpixel, setcolor)
{
char *color_name;
int color_name_len;
php_imagickpixel_object *internp;
MagickBooleanType status;
/* Parse parameters given to function */
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &color_name, &color_name_len) == FAILURE) {
return;
}
internp = (php_imagickpixel_object *)zend_object_store_get_object(getThis() TSRMLS_CC);
status = PixelSetColor(internp->pixel_wand, color_name);
if (status == MagickFalse) {
php_imagick_convert_imagickpixel_exception (internp->pixel_wand, "Unable to set ImagickPixel color" TSRMLS_CC);
return;
}
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool ImagickPixel::clear()
Clears resources associated with the wand.
*/
PHP_METHOD(imagickpixel, clear)
{
php_imagickpixel_object *internp;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "") == FAILURE) {
return;
}
internp = (php_imagickpixel_object *)zend_object_store_get_object(getThis() TSRMLS_CC);
ClearPixelWand(internp->pixel_wand);
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool ImagickPixel::destroy()
Deallocates resources associated with a PixelWand.
*/
PHP_METHOD(imagickpixel, destroy)
{
zval *object;
php_imagickpixel_object *internp;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "") == FAILURE) {
return;
}
object = getThis();
internp = (php_imagickpixel_object *)zend_object_store_get_object(object TSRMLS_CC);
ClearPixelWand(internp->pixel_wand);
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool ImagickPixel::isSimilar(float fuzz)
Returns true if the distance between two colors is less than the specified distance.
*/
PHP_METHOD(imagickpixel, issimilar)
{
zval *param;
double fuzz;
php_imagickpixel_object *internp;
MagickBooleanType status;
PixelWand *color_wand;
zend_bool allocated;
/* Parse parameters given to function */
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "zd", ¶m, &fuzz) == FAILURE) {
return;
}
internp = (php_imagickpixel_object *)zend_object_store_get_object(getThis() TSRMLS_CC);
color_wand = php_imagick_zval_to_pixelwand (param, IMAGICKPIXEL_CLASS, &allocated TSRMLS_CC);
if (!color_wand)
return;
status = IsPixelWandSimilar(internp->pixel_wand, color_wand, fuzz);
if (allocated)
color_wand = DestroyPixelWand (color_wand);
if (status == MagickFalse) {
RETURN_FALSE;
}
RETURN_TRUE;
}
/* }}} */
/* {{{ proto float ImagickPixel::getColorValue(int color)
Gets the normalized color of the ImagickPixel.
*/
PHP_METHOD(imagickpixel, getcolorvalue)
{
php_imagickpixel_object *internp;
long color;
double color_value = 0;
/* Parse parameters given to function */
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &color) == FAILURE) {
return;
}
internp = (php_imagickpixel_object *)zend_object_store_get_object(getThis() TSRMLS_CC);
switch (color) {
case IMAGICKCOLORBLACK:
color_value = PixelGetBlack(internp->pixel_wand);
break;
case IMAGICKCOLORBLUE:
color_value = PixelGetBlue(internp->pixel_wand);
break;
case IMAGICKCOLORCYAN:
color_value = PixelGetCyan(internp->pixel_wand);
break;
case IMAGICKCOLORGREEN:
color_value = PixelGetGreen(internp->pixel_wand);
break;
case IMAGICKCOLORRED:
color_value = PixelGetRed(internp->pixel_wand);
break;
case IMAGICKCOLORYELLOW:
color_value = PixelGetYellow(internp->pixel_wand);
break;
case IMAGICKCOLORMAGENTA:
color_value = PixelGetMagenta(internp->pixel_wand);
break;
case IMAGICKCOLOROPACITY:
color_value = PixelGetOpacity(internp->pixel_wand);
break;
case IMAGICKCOLORALPHA:
color_value = PixelGetAlpha(internp->pixel_wand);
break;
#if MagickLibVersion > 0x628
case IMAGICKCOLORFUZZ:
color_value = PixelGetFuzz(internp->pixel_wand);
break;
#endif
default:
php_imagick_throw_exception (IMAGICKPIXEL_CLASS, "Unknown color type" TSRMLS_CC);
return;
break;
}
RETVAL_DOUBLE(color_value);
}
/* }}} */
/* {{{ proto float ImagickPixel::setColorValue(int color, float value )
Sets the normalized color of the ImagickPixel.
*/
PHP_METHOD(imagickpixel, setcolorvalue)
{
php_imagickpixel_object *internp;
long color;
double color_value;
/* Parse parameters given to function */
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ld", &color, &color_value) == FAILURE) {
return;
}
internp = (php_imagickpixel_object *)zend_object_store_get_object(getThis() TSRMLS_CC);
switch (color) {
case IMAGICKCOLORBLACK:
PixelSetBlack(internp->pixel_wand, color_value);
break;
case IMAGICKCOLORBLUE:
PixelSetBlue(internp->pixel_wand, color_value);
break;
case IMAGICKCOLORCYAN:
PixelSetCyan(internp->pixel_wand, color_value);
break;
case IMAGICKCOLORGREEN:
PixelSetGreen(internp->pixel_wand, color_value);
break;
case IMAGICKCOLORRED:
PixelSetRed(internp->pixel_wand, color_value);
break;
case IMAGICKCOLORYELLOW:
PixelSetYellow(internp->pixel_wand, color_value);
break;
case IMAGICKCOLORMAGENTA:
PixelSetMagenta(internp->pixel_wand, color_value);
break;
case IMAGICKCOLOROPACITY:
PixelSetOpacity(internp->pixel_wand, color_value);
break;
case IMAGICKCOLORALPHA:
PixelSetAlpha(internp->pixel_wand, color_value);
break;
#if MagickLibVersion > 0x628
case IMAGICKCOLORFUZZ:
PixelSetFuzz(internp->pixel_wand, color_value);
break;
#endif
default:
php_imagick_throw_exception (IMAGICKPIXEL_CLASS, "Unknown color type" TSRMLS_CC);
return;
break;
}
RETVAL_TRUE;
}
/* }}} */
/* {{{ proto array ImagickPixel::getColor([bool normalized])
Returns the color of the pixel in an array
*/
PHP_METHOD(imagickpixel, getcolor)
{
php_imagickpixel_object *internp;
zend_bool normalized = 0;
double red, green, blue, alpha;
/* Parse parameters given to function */
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|b", &normalized) == FAILURE) {
return;
}
internp = (php_imagickpixel_object *)zend_object_store_get_object(getThis() TSRMLS_CC);
array_init(return_value);
if (normalized == 1) {
red = PixelGetRed(internp->pixel_wand);
green = PixelGetGreen(internp->pixel_wand);
blue = PixelGetBlue(internp->pixel_wand);
alpha = PixelGetAlpha(internp->pixel_wand);
add_assoc_double(return_value, "r", red);
add_assoc_double(return_value, "g", green);
add_assoc_double(return_value, "b", blue);
add_assoc_double(return_value, "a", alpha);
} else {
/* TODO: should this be quantum range instead of hardcoded 255.. */
red = PixelGetRed(internp->pixel_wand ) * 255;
green = PixelGetGreen(internp->pixel_wand ) * 255;
blue = PixelGetBlue(internp->pixel_wand ) * 255;
alpha = PixelGetAlpha(internp->pixel_wand);
add_assoc_long(return_value, "r", (int)(red > 0.0 ? red + 0.5 : red - 0.5));
add_assoc_long(return_value, "g", (int)(green > 0.0 ? green + 0.5 : green - 0.5));
add_assoc_long(return_value, "b", (int)(blue > 0.0 ? blue + 0.5 : blue - 0.5));
add_assoc_long(return_value, "a", alpha);
}
return;
}
/* }}} */
/* {{{ proto array ImagickPixel::getColorAsString(void )
Returns the color as a string
*/
PHP_METHOD(imagickpixel, getcolorasstring)
{
php_imagickpixel_object *internp;
char *color_string;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "") == FAILURE) {
return;
}
internp = (php_imagickpixel_object *)zend_object_store_get_object(getThis() TSRMLS_CC);
color_string = PixelGetColorAsString(internp->pixel_wand);
ZVAL_STRING(return_value, color_string, 1);
IMAGICK_FREE_MEMORY(char *, color_string);
return;
}
/* }}} */
/* {{{ proto array ImagickPixel::clone(void)
Clones the ImagickPixel
*/
PHP_METHOD(imagickpixel, clone)
{
php_imagickpixel_object *internp;
php_imagickpixel_object *intern_return;
PixelWand *pixel_wand;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "") == FAILURE) {
return;
}
IMAGICK_METHOD_DEPRECATED("ImagickPixel", "clone");
internp = (php_imagickpixel_object *)zend_object_store_get_object(getThis() TSRMLS_CC);
pixel_wand = php_imagick_clone_pixelwand (internp->pixel_wand);
object_init_ex(return_value, php_imagickpixel_sc_entry);
intern_return = (php_imagickpixel_object *)zend_object_store_get_object(return_value TSRMLS_CC);
php_imagick_replace_pixelwand(intern_return, pixel_wand);
return;
}
/* }}} */
/* {{{ proto int ImagickPixel::getColorCount()
Returns the color count associated with this color.
*/
PHP_METHOD(imagickpixel, getcolorcount)
{
php_imagickpixel_object *internp;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "") == FAILURE) {
return;
}
internp = (php_imagickpixel_object *)zend_object_store_get_object(getThis() TSRMLS_CC);
RETVAL_LONG(PixelGetColorCount(internp->pixel_wand));
}
/* }}} */
/* {{{ proto int ImagickPixel::setColorCount(int colorCount)
Sets the color count associated with this color.
*/
PHP_METHOD(imagickpixel, setcolorcount)
{
php_imagickpixel_object *internp;
long color_count;
/* Parse parameters given to function */
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &color_count) == FAILURE) {
return;
}
internp = (php_imagickpixel_object *)zend_object_store_get_object(getThis() TSRMLS_CC);
PixelSetColorCount(internp->pixel_wand, color_count);
RETVAL_TRUE;
}
/* }}} */