文件操作 - imagickpixel_class.c

文件: /root/imagick-3.1.2/imagickpixel_class.c

编辑文件内容

/*
   +----------------------------------------------------------------------+
   | 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"

#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:
			IMAGICK_THROW_EXCEPTION_WITH_MESSAGE(IMAGICKPIXEL_CLASS, "Unknown color type", 4);
		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:
			IMAGICK_THROW_EXCEPTION_WITH_MESSAGE(IMAGICKPIXEL_CLASS, "Unknown color type", 4);
		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) {
		IMAGICK_THROW_EXCEPTION_WITH_MESSAGE(IMAGICKPIXEL_CLASS, "Failed to allocate PixelWand structure", 4);
	}

/* If color was given as parameter, set it here.*/
	if (color_name && color_name_len) {
		if (PixelSetColor(internp->pixel_wand, color_name) == MagickFalse) {
			IMAGICK_THROW_IMAGICKPIXEL_EXCEPTION(internp->pixel_wand, "Unable to construct ImagickPixel", 4);
		}
	}
	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) {
		IMAGICK_THROW_IMAGICKPIXEL_EXCEPTION(internp->pixel_wand, "Unable to set ImagickPixel color", 4);
	}

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);

if (!internp->pixel_wand) {
		IMAGICK_THROW_EXCEPTION_WITH_MESSAGE(IMAGICKPIXEL_CLASS, "ImagickPixel is not allocated", 4);
	}

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);

if (!internp->pixel_wand) {
		IMAGICK_THROW_EXCEPTION_WITH_MESSAGE(IMAGICKPIXEL_CLASS, "ImagickPixel is not allocated properly", 4);
	}

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, *internp_second;
	MagickBooleanType status;

/* Parse parameters given to function */
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "zd", &param, &fuzz) == FAILURE) {
		return;
	}

internp = (php_imagickpixel_object *)zend_object_store_get_object(getThis() TSRMLS_CC);
	IMAGICK_CAST_PARAMETER_TO_COLOR(param, internp_second, 4);

status = IsPixelWandSimilar(internp->pixel_wand, internp_second->pixel_wand, fuzz);

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:
			IMAGICK_THROW_EXCEPTION_WITH_MESSAGE(IMAGICKPIXEL_CLASS, "Unknown color type", 4);
		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:
			IMAGICK_THROW_EXCEPTION_WITH_MESSAGE(IMAGICKPIXEL_CLASS, "Unknown color type", 4);
		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);

IMAGICK_CLONE_PIXELWAND(internp->pixel_wand, 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);

IMAGICKPIXEL_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;
}
/* }}} */

文件操作 - imagickpixel_class.c

文件: /root/imagick-3.1.2/imagickpixel_class.c

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