简体中文(ZH-CN) English(EN) 繁体中文(ZH-TW) 日本語(JA) 한국어(KO) Melayu(MS) Français(FR) Deutsch(DE)
Maison > php教程 > php手册 > le corps du texte

C实现PHP扩展《Image

WBOY
Libérer： 2016-06-06 19:54:53
original
970 Les gens l'ont consulté

该扩展是基于ImageMagick基础实现的，图片操作调用的是ImageMagick API。 一、类文档说明 class Image_Tool{ /** * 构造Image_Tool对象 * @param string|array $img_data * $img_data可以为图片的路径 */function __construct($img_data=); /** * 添加文字注

该扩展是基于ImageMagick基础实现的，图片操作调用的是ImageMagick API。

一、类文档说明

class Image_Tool{
    /**
     * 构造Image_Tool对象
     * @param string|array $img_data
     * $img_data可以为图片的路径
     */
	function __construct($img_data="");
    
	/**
	 * 添加文字注解，或用于文字水印
	 * @access public
	 * @param string $txt UTF8编码的文本
	 * @param float $opacity 设置透明度
	 * @param constant $gravity 
	 * 设置文字摆放位置:
	 * NorthWest,North,NorthEast,West, Center,East,SouthWest,South,SouthEast,Static
	 * @param array $font 字体数组可以设置如下属性:
	 * name,常量,字体名称，如果需要添加中文注解，请使用中文字体，否则中文会显示乱码。
     *        支持的字体：SimSun(宋体,默认)、SimKai(楷体)、SimHei(正黑)、MicroHei(微米黑)、Arial
     * weight,字体宽度,int
     * size，字体大小,int
     * color,字体颜色,例如："blue", "#0000ff", "rgb(0,0,255)"等，默认为"black";
     * @return boolean
	 */
	function annotate($txt, $opacity, $gravity, array $font);
    
	/**
	 * 将对象的数据重新初始化,用于多次重用一个Image_Tool对象
	 * @access public
	 * @return void
	 */
	function clean();
    
	*
	 * 图片合成，可以进行多张图片的合成，也可以做图片水印用
	 * @access public
	 * @param int $src_img 合成的目标图片，可以为ImageTool对象或图片二进制数据
	 * @param int $x 合成在画布的X坐标
	 * @param string $y 合成在画布的Y坐标
	 * @return boolean
	 * 
	function composite($src_img, $x, $y);
    
	/**
	 * 返回错误信息
	 * @access public
	 * @return string
	 */
	function errmsg();
    
	/**
	 * 返回错误编号
	 * @access public
	 * @return int
	 */
	function errcode();
    
	/**
	 * 进行图片处理操作
	 * @access public
	 * @param string $format
	 * @param boolean $display
	 * @return boolean|string 若设置$display为true，返回void，否则返回图片二进制数据。失败时返回false
	 */
	function exec($format, $display=false);
    
	/**
	 * 水平翻转
	 * @access public
	 * @return boolean
	 */
	function flipH();
    
	/**
	 * 垂直翻转
	 * @access public
	 * @return boolean
	 */
	function flipV();
    
	/**
	 * 取得图片属性
	 * @access public
	 * @return array|boolean 错误返回false
	 */
	function getImageAttr();
    
	/**
	 * 去噪点,改善图片质量，通常用于exec之前
	 * @access public
	 * @return boolean
	 */
	function improve();
    
	/**
	 * 缩放图片,只指定width或者height时,将进行等比缩放
	 * @access public
	 * @param int $width
	 * @param int $height
	 * @param boolean $thumbnail 是否清除图片附加信息
	 * @return boolean
	 */
	function resize($width, $height, $thumbnail=true);
    
	/**
	 * 按比例缩放.1为原大小
	 * @access public
	 * @param float $ratio
	 * @param boolean $thumbnail 是否清除图片附加信息
	 * @return boolean
	 */
	function resizeRatio($ratio, $thumbnail=true);
    
	/**
	 * 顺时针旋转图片
	 * @access public
	 * @param int $degree 旋转度数（0 - 360）
	 * @return boolean
	 */
	function rotate($degree=90);
    
	/**
	 * 设置要处理的图片二进制数据
	 * @access public
	 * @param string $img_blob
	 * @return boolean
	 */
	function setData($img_blob);
}
Copier après la connexion

二、使用案例

$img1 = new Image_Tool("C:/Users/Administrator/Desktop/1.jpg");
$font = array('name'=>'Simsun', 'color'=>'red', 'size'=>20, 'weight'=>900);
$img1->annotate('Good Bye!', 0.1, IMAGETOOL_NORTHWEST, $font); //打上文字水印
// $img1->rotate(90);
$img1->flipV();//垂直翻转
// $img1->resize(250, 250, 0);
$img1->resizeRatio(0.5, 1);
$img_arr = $img1->getImageAttr();//图片属性 宽、高、类型
$img1->improve();//除噪点


$img2 = new Image_Tool();
$img2->setData(file_get_contents("C:/Users/Administrator/Desktop/3.png"));

$background_img = new Image_Tool("C:/Users/Administrator/Desktop/2.png");
$background_img->composite($img1, 200, 100); //以background_img为画布，基于左上角0,0坐标开始向右200、向下100像素将图片img1合成
$background_img->composite($img2, 0, 0); //将background_img与img1合成后的图片，基于左上角0,0点合成img2
$background_img->exec("C:/Users/Administrator/Desktop/composite.jpg");//生成三张图片合并后的新图片
Copier après la connexion

三、扩展实现

1.php_fetch_url.h

/*
  +----------------------------------------------------------------------+
  | PHP Version 5                                                        |
  +----------------------------------------------------------------------+
  | Copyright (c) 1997-2012 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.               |
  +----------------------------------------------------------------------+
  | Author:                                                              |
  +----------------------------------------------------------------------+
*/

/* $Id$ */

#ifndef PHP_IMAGE_TOOL_H
#define PHP_IMAGE_TOOL_H

extern zend_module_entry image_tool_module_entry;
#define phpext_image_tool_ptr &image_tool_module_entry

#ifdef PHP_WIN32
#	define PHP_IMAGE_TOOL_API __declspec(dllexport)
#elif defined(__GNUC__) && __GNUC__ >= 4
#	define PHP_IMAGE_TOOL_API __attribute__ ((visibility("default")))
#else
#	define PHP_IMAGE_TOOL_API
#endif

#ifdef ZTS
#include "TSRM.h"
#endif

#define FETCH_THIS Z_OBJCE_P(getThis()), getThis()
#define IMAGETOOL_MAGICKWAND_RSRC_NAME "MagickWand"
#define IMAGETOOL_PIXELWAND_RSRC_NAME "PixelWand"

#define IMAGETOOL_NORTHWEST 1
#define IMAGETOOL_NORTH     2
#define IMAGETOOL_NORTHEAST 3
#define IMAGETOOL_WEST      4
#define IMAGETOOL_CENTER    5
#define IMAGETOOL_EAST      6
#define IMAGETOOL_SOUTHWEST 7
#define IMAGETOOL_SOUTH     8
#define IMAGETOOL_SOUTHEAST 9
#define IMAGETOOL_STATIC    10

#define IMAGETOOL_TOP_LEFT      1
#define IMAGETOOL_TOP_CENTER    2
#define IMAGETOOL_TOP_RIGHT     3
#define IMAGETOOL_CENTER_LEFT   4
#define IMAGETOOL_CENTER_CENTER 5
#define IMAGETOOL_CENTER_RIGHT  6
#define IMAGETOOL_BOTTOM_LEFT   7
#define IMAGETOOL_BOTTOM_CENTER 8
#define IMAGETOOL_BOTTOM_RIGHT  9

#define GET_MAGICK_WAND(zval, magick_wand) zval = zend_read_property(FETCH_THIS, ZEND_STRL("magick_wand"), 0 TSRMLS_CC);\
        ZEND_FETCH_RESOURCE_NO_RETURN(magick_wand, MagickWand*, &zval, -1, IMAGETOOL_MAGICKWAND_RSRC_NAME, le_image_wand);

PHP_MINIT_FUNCTION(image_tool);
PHP_MSHUTDOWN_FUNCTION(image_tool);
PHP_RINIT_FUNCTION(image_tool);
PHP_RSHUTDOWN_FUNCTION(image_tool);
PHP_MINFO_FUNCTION(image_tool);


#ifdef ZTS
#define IMAGE_TOOL_G(v) TSRMG(image_tool_globals_id, zend_image_tool_globals *, v)
#else
#define IMAGE_TOOL_G(v) (image_tool_globals.v)
#endif

#endif	/* PHP_IMAGE_TOOL_H */
Copier après la connexion


2.fetch_url.c

/*
  +----------------------------------------------------------------------+
  | PHP Version 5                                                        |
  +----------------------------------------------------------------------+
  | Copyright (c) 1997-2012 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.               |
  +----------------------------------------------------------------------+
  | Author:                                                              |
  +----------------------------------------------------------------------+
*/

/* $Id$ */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "php.h"
#include "php_ini.h"
#include "ext/standard/info.h"
#include "main/SAPI.h"  
#include "Zend/zend_interfaces.h"  
#include "ext/standard/php_var.h"  
#include "ext/standard/php_string.h"  
#include "ext/standard/php_smart_str.h"  
#include "ext/standard/url.h"
#include <wand>
#include <string.h>
#include "php_image_tool.h"

/* If you declare any globals in php_image_tool.h uncomment this:
ZEND_DECLARE_MODULE_GLOBALS(image_tool)
*/ 
zend_class_entry *g_imagetool_ce;

/* True global resources - no need for thread safety here */
static int le_image_tool, le_image_wand/*ImageMagick::MagickWand句柄*/, le_image_pixel/*ImageMagick::PixelWand句柄*/;

static destroy_magick_wand(zend_rsrc_list_entry *rsrc TSRMLS_DC){
	MagickWand *magick_wand = (MagickWand*)rsrc->ptr;

	DestroyMagickWand(magick_wand);
}

static destroy_pixel_wand(zend_rsrc_list_entry *rsrc TSRMLS_DC){
	PixelWand *pixel_wand = (PixelWand*)rsrc->ptr;

	DestroyPixelWand(pixel_wand);
}

ZEND_BEGIN_ARG_INFO_EX(void_arginfo, 0, 0, 0)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(setData_arginfo, 0, 0, 0)
	ZEND_ARG_INFO(0, img_data)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(annotate_arginfo, 0, 0, 3)
	ZEND_ARG_INFO(0, txt)
	ZEND_ARG_INFO(0, opacity)
	ZEND_ARG_INFO(0, gravity)
	ZEND_ARG_INFO(0, font)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(composite_arginfo, 0, 0, 3)
	ZEND_ARG_INFO(0, width)
	ZEND_ARG_INFO(0, height)
	ZEND_ARG_INFO(0, color)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(exec_arginfo, 0, 0, 1)
	ZEND_ARG_INFO(0, format)
	ZEND_ARG_INFO(0, display)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(resize_arginfo, 0, 0, 2)
	ZEND_ARG_INFO(0, width)
	ZEND_ARG_INFO(0, height)
	ZEND_ARG_INFO(0, thumbnail)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(resizeRatio_arginfo, 0, 0, 1)
	ZEND_ARG_INFO(0, ratio)
	ZEND_ARG_INFO(0, thumbnail)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(rotate_arginfo, 0, 0, 1)
	ZEND_ARG_INFO(0, degree)
ZEND_END_ARG_INFO()

//Image_Tool::__construct($img_data="");
ZEND_METHOD(Image_Tool, __construct){
	zval *img_data=NULL, *z_magick_wand;
	MagickWand *magick_wand;

	if(zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|z", &img_data) == FAILURE){
		RETURN_FALSE;
	}
	
	MagickWandGenesis();
	magick_wand = NewMagickWand();
	z_magick_wand = zend_read_property(FETCH_THIS, ZEND_STRL("magick_wand"), 0 TSRMLS_CC);
	MAKE_STD_ZVAL(z_magick_wand);
	ZEND_REGISTER_RESOURCE(z_magick_wand, magick_wand, le_image_wand);
	zend_update_property(FETCH_THIS, ZEND_STRL("magick_wand"), z_magick_wand TSRMLS_CC);

	if(img_data != NULL && Z_TYPE_P(img_data) == IS_STRING){
		if( MagickReadImage(magick_wand, Z_STRVAL_P(img_data)) == MagickFalse){
			zend_error(E_WARNING, "img filepath not exists!");
			RETURN_FALSE;
		}
	}

	RETURN_TRUE;
}

ZEND_METHOD(Image_Tool, __tostring){
	zval *z_magick_wand;
	MagickWand *magick_wand;
	size_t img_size;
	unsigned char *img_data;

	z_magick_wand = zend_read_property(FETCH_THIS, ZEND_STRL("magick_wand"), 0 TSRMLS_CC);
	ZEND_FETCH_RESOURCE_NO_RETURN(magick_wand, MagickWand*, &z_magick_wand, -1, IMAGETOOL_MAGICKWAND_RSRC_NAME, le_image_wand);

	img_data = MagickGetImageBlob(magick_wand, &img_size);
	ZVAL_STRINGL(return_value, img_data, img_size, 1);
	MagickRelinquishMemory(img_data);
}

//Image_Tool::annotate($txt, $opacity, $gravity, array $font);
ZEND_METHOD(Image_Tool, annotate){
	zval *txt, *opacity, *gravity, *font;
	zval *z_magick_wand;
	MagickWand *magick_wand;
	DrawingWand *drawing_wand;
	int img_width, img_height;
	float x, y;

	if(zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "zzzz!", &txt, &opacity, &gravity, &font) == FAILURE){
		RETURN_FALSE;
	}

	if(Z_TYPE_P(txt) != IS_STRING){
		zend_error(E_WARNING, "txt must be string.");
		RETURN_FALSE;
	}

	if(Z_TYPE_P(opacity) != IS_DOUBLE){
		zend_error(E_WARNING, "opacity must be float.");
		RETURN_FALSE;
	}

	if(Z_TYPE_P(gravity) != IS_LONG){
		zend_error(E_WARNING, "gravity must be int.");
		RETURN_FALSE;
	}

	if(Z_TYPE_P(font) != IS_ARRAY){
		zend_error(E_WARNING, "font must be array.");
		RETURN_FALSE;
	}

	z_magick_wand = zend_read_property(FETCH_THIS, ZEND_STRL("magick_wand"), 0 TSRMLS_CC);
	drawing_wand = NewDrawingWand();
	DrawSetTextEncoding(drawing_wand, "UTF-8");
	DrawSetFillOpacity(drawing_wand, Z_DVAL_P(opacity));
	DrawSetTextAlignment(drawing_wand, CenterAlign);
	ZEND_FETCH_RESOURCE_NO_RETURN(magick_wand, MagickWand*, &z_magick_wand, -1, IMAGETOOL_MAGICKWAND_RSRC_NAME, le_image_wand);
	img_height = MagickGetImageHeight(magick_wand);
	img_width= MagickGetImageWidth(magick_wand);

	switch(Z_LVAL_P(gravity)){
		case IMAGETOOL_NORTHWEST:
			DrawSetTextAlignment(drawing_wand, LeftAlign);
			x = 0.0;
			y = 20.0;
		break;
		case IMAGETOOL_NORTH:
			x = img_width/2;
			y = 20.0;
		break;
		case IMAGETOOL_NORTHEAST:
			DrawSetTextAlignment(drawing_wand, RightAlign);
			x = img_width;
			y = 20.0;
		break;
		case IMAGETOOL_WEST:
			DrawSetTextAlignment(drawing_wand, LeftAlign);
			x = 0.0;
			y = img_height/2;
		break;
		case IMAGETOOL_CENTER:
			x = img_width/2;
			y = img_height/2;
		break;
		case IMAGETOOL_EAST:
			DrawSetTextAlignment(drawing_wand, RightAlign);
			x = img_width;
			y = img_height/2;
		break;
		case IMAGETOOL_SOUTHWEST:
			DrawSetTextAlignment(drawing_wand, LeftAlign);
			x = 0.0;
			y = img_height;
		break;
		case IMAGETOOL_SOUTH:
			x = img_width/2;
			y = img_height;
		break;
		case IMAGETOOL_SOUTHEAST:
			DrawSetTextAlignment(drawing_wand, RightAlign);
			x = img_width;
			y = img_height;
		break;
		case IMAGETOOL_STATIC:
		default:
			x = 0.0;
			y = 20.0;
	}

	if(font != NULL){
		for(zend_hash_internal_pointer_reset(Z_ARRVAL_P(font));
			zend_hash_has_more_elements(Z_ARRVAL_P(font)) == SUCCESS;
			zend_hash_move_forward(Z_ARRVAL_P(font))){
			char *key;
			uint key_len;
			ulong idx;
			zval **pp_zval;

			if(zend_hash_get_current_key_ex(Z_ARRVAL_P(font), &key, &key_len, &idx, 0, NULL) != HASH_KEY_IS_STRING){
				continue;
			}

			if(zend_hash_get_current_data(Z_ARRVAL_P(font), (void**)&pp_zval) == FAILURE){
				continue;
			}

			if(stricmp(key, "color") == 0){
				PixelWand *pixel_wand;
				pixel_wand = NewPixelWand();
				convert_to_string(*pp_zval);

				PixelSetColor(pixel_wand, Z_STRVAL_PP(pp_zval));
				DrawSetFillColor(drawing_wand, pixel_wand);
			}else if(stricmp(key, "name") == 0){
				convert_to_string(*pp_zval);
				DrawSetFont(drawing_wand, Z_STRVAL_PP(pp_zval));
			}else if(stricmp(key, "size") == 0){
				convert_to_long(*pp_zval);
				DrawSetFontSize(drawing_wand, Z_LVAL_PP(pp_zval));
			}else if(stricmp(key, "weight") == 0){
				convert_to_long(*pp_zval);
				DrawSetFontWeight(drawing_wand, Z_LVAL_PP(pp_zval));
			}
		}
	}
	// php_printf("width=%d,height=%d,x=%f,y=%f\n", img_width, img_height, x, y);
	DrawAnnotation(drawing_wand, x, y, Z_STRVAL_P(txt));
	MagickDrawImage(magick_wand, drawing_wand);
}

ZEND_METHOD(Image_Tool, clean){
	zval *z_magick_wand;
	MagickWand *magick_wand;

	GET_MAGICK_WAND(z_magick_wand, magick_wand);
	ClearMagickWand(magick_wand);
	RETURN_TRUE;
}


//Image_Tool::composite($src_img, $x, $y)
ZEND_METHOD(Image_Tool, composite){
	zval *z_magick_wand, *z_x, *z_y;
	zval *z_src_magcik_wand, *src_img;
	MagickWand *magick_wand, *src_magcik_wand;
	MagickSizeType img_size;

	if(zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "zzz", &src_img, &z_x, &z_y) == FAILURE){
		RETURN_FALSE;
	}

	GET_MAGICK_WAND(z_magick_wand, magick_wand);
	convert_to_long(z_x);
	convert_to_long(z_y);

	if(Z_TYPE_P(src_img) == IS_OBJECT && instanceof_function(Z_OBJCE_P(src_img), g_imagetool_ce)){
		z_src_magcik_wand = zend_read_property(Z_OBJCE_P(src_img), src_img, ZEND_STRL("magick_wand"), 0 TSRMLS_CC);
		src_magcik_wand = ZEND_FETCH_RESOURCE_NO_RETURN(src_magcik_wand, MagickWand*, &z_src_magcik_wand, -1, IMAGETOOL_MAGICKWAND_RSRC_NAME, le_image_wand);
		if(MagickGetImageLength(src_magcik_wand, &img_size) == MagickFalse) {
			RETURN_FALSE;
		}
	}else if(Z_TYPE_P(src_img) == IS_STRING){
		src_magcik_wand = NewMagickWand();
		if(MagickReadImageBlob(src_magcik_wand, (void*)Z_STRVAL_P(src_img), Z_STRLEN_P(src_img)) == MagickFalse){
			RETURN_FALSE;
		}
	}else{
		RETURN_FALSE;
	}

	if(MagickCompositeImage(magick_wand, src_magcik_wand, OverCompositeOp, Z_LVAL_P(z_x), Z_LVAL_P(z_y)) == MagickFalse){
		RETURN_FALSE;
	}

	RETURN_TRUE;
}

ZEND_METHOD(Image_Tool, errmsg){
	zval *errmsg;
	errmsg = zend_read_property(FETCH_THIS, ZEND_STRL("errmsg"), 0 TSRMLS_CC);

	if(Z_TYPE_P(errmsg) == IS_NULL){
		RETURN_NULL();
	}
	else{
		RETURN_STRINGL(Z_STRVAL_P(errmsg), Z_STRLEN_P(errmsg), 1);
	}
}

ZEND_METHOD(Image_Tool, errcode){
	zval *errcode;
	errcode = zend_read_property(FETCH_THIS, ZEND_STRL("errcode"), 0 TSRMLS_CC);

	RETURN_LONG(Z_LVAL_P(errcode));
}

//Image_Tool::exec($filename, $display=false);
ZEND_METHOD(Image_Tool, exec){
	zval *filename, *display = NULL, *z_magick_wand;
	MagickWand *magick_wand;

	if(zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z|z", &filename, &display) == FAILURE){
		RETURN_FALSE;
	}

	z_magick_wand = zend_read_property(FETCH_THIS, ZEND_STRL("magick_wand"), 0 TSRMLS_CC);
	ZEND_FETCH_RESOURCE_NO_RETURN(magick_wand, MagickWand*, &z_magick_wand, -1, IMAGETOOL_MAGICKWAND_RSRC_NAME, le_image_wand);

	if(display == NULL){
		MAKE_STD_ZVAL(display);
		ZVAL_LONG(display, 0);
	}
	convert_to_boolean(display);
	if(Z_BVAL_P(display)  img_width) ? img_width : Z_LVAL_P(width);
	Z_LVAL_P(height) = (Z_LVAL_P(height) > img_height) ? img_height : Z_LVAL_P(height);

	if(Z_LVAL_P(thumbnail) > 0){
		MagickThumbnailImage(magick_wand, Z_LVAL_P(width), Z_LVAL_P(height));
	}else{
		MagickResizeImage(magick_wand, Z_LVAL_P(width), Z_LVAL_P(height), LanczosFilter, 1.0);
	}

	RETURN_TRUE;
}

//Image_Tool::resizeRatio($ratio, $thumbnail=true)
ZEND_METHOD(Image_Tool, resizeRatio){
	zval *z_magick_wand, *ratio, *thumbnail = NULL;
	MagickWand *magick_wand;
	size_t src_width, src_height, dst_width, dst_height;

	if(zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z|z", &ratio, &thumbnail) == FAILURE){
		RETURN_FALSE;
	}

	GET_MAGICK_WAND(z_magick_wand, magick_wand);

	convert_to_double(ratio);

	src_width = MagickGetImageWidth(magick_wand);
	src_height= MagickGetImageHeight(magick_wand);

	if(Z_DVAL_P(ratio) > 1.0) Z_DVAL_P(ratio) = 1.0;
	if(Z_DVAL_P(ratio)  0){
		MagickThumbnailImage(magick_wand, dst_width, dst_height);
	}else{
		MagickResizeImage(magick_wand, dst_width, dst_height, LanczosFilter, 1.0);
	}

	RETURN_TRUE;
}

//Image_Tool:rotate($degree=90);
ZEND_METHOD(Image_Tool, rotate){
	zval *z_magick_wand, *degree;
	MagickWand *magick_wand;
	PixelWand *pixel_wand;

	if(zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|z!", °ree) == FAILURE){
		RETURN_FALSE;
	}

	if(Z_TYPE_P(degree) == IS_NULL){
		MAKE_STD_ZVAL(degree);
		ZVAL_LONG(degree, 90);
	}

	if(Z_TYPE_P(degree) != IS_LONG) convert_to_long(degree);

	pixel_wand = NewPixelWand();
	z_magick_wand = zend_read_property(FETCH_THIS, ZEND_STRL("magick_wand"), 0 TSRMLS_CC);
	ZEND_FETCH_RESOURCE_NO_RETURN(magick_wand, MagickWand *, &z_magick_wand, -1, IMAGETOOL_MAGICKWAND_RSRC_NAME, le_image_wand);

	MagickRotateImage(magick_wand, pixel_wand, Z_LVAL_P(degree));
}

//ImageTool::setData($img_blob)
ZEND_METHOD(Image_Tool, setData){
	zval *z_magick_wand, *z_img_blob;
	MagickWand *magick_wand;

	if(zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &z_img_blob) == FAILURE){
		RETURN_FALSE;
	}

	if(Z_TYPE_P(z_img_blob) != IS_STRING){
		RETURN_FALSE;
	}

	GET_MAGICK_WAND(z_magick_wand, magick_wand);

	if(MagickReadImageBlob(magick_wand, (void*)Z_STRVAL_P(z_img_blob), Z_STRLEN_P(z_img_blob)) == MagickTrue){
		RETURN_TRUE;
	}else{
		RETURN_FALSE;
	}
}

static zend_function_entry image_tool_methods[] = {
	ZEND_ME(Image_Tool, __construct, setData_arginfo, ZEND_ACC_CTOR|ZEND_ACC_PUBLIC)
	ZEND_ME(Image_Tool, __tostring, void_arginfo, ZEND_ACC_PUBLIC)
	ZEND_ME(Image_Tool, annotate, annotate_arginfo, ZEND_ACC_PUBLIC)
	ZEND_ME(Image_Tool, clean, void_arginfo, ZEND_ACC_PUBLIC)
	ZEND_ME(Image_Tool, composite, composite_arginfo, ZEND_ACC_PUBLIC)
	ZEND_ME(Image_Tool, errmsg, void_arginfo, ZEND_ACC_PUBLIC)
	ZEND_ME(Image_Tool, errcode, void_arginfo, ZEND_ACC_PUBLIC)
	ZEND_ME(Image_Tool, exec, exec_arginfo, ZEND_ACC_PUBLIC)
	ZEND_ME(Image_Tool, flipH, void_arginfo, ZEND_ACC_PUBLIC)
	ZEND_ME(Image_Tool, flipV, void_arginfo, ZEND_ACC_PUBLIC)
	ZEND_ME(Image_Tool, getImageAttr, void_arginfo, ZEND_ACC_PUBLIC)
	ZEND_ME(Image_Tool, improve, void_arginfo, ZEND_ACC_PUBLIC)
	ZEND_ME(Image_Tool, resize, resize_arginfo, ZEND_ACC_PUBLIC)
	ZEND_ME(Image_Tool, resizeRatio, resizeRatio_arginfo, ZEND_ACC_PUBLIC)
	ZEND_ME(Image_Tool, rotate, rotate_arginfo, ZEND_ACC_PUBLIC)
	ZEND_ME(Image_Tool, setData, setData_arginfo, ZEND_ACC_PUBLIC)
	{NULL, NULL, NULL}
};

/* {{{ image_tool_functions[]
 *
 * Every user visible function must have an entry in image_tool_functions[].
 */
const zend_function_entry image_tool_functions[] = {
	PHP_FE_END	/* Must be the last line in image_tool_functions[] */
};
/* }}} */

/* {{{ image_tool_module_entry
 */
zend_module_entry image_tool_module_entry = {
#if ZEND_MODULE_API_NO >= 20010901
	STANDARD_MODULE_HEADER,
#endif
	"image_tool",
	image_tool_functions,
	PHP_MINIT(image_tool),
	PHP_MSHUTDOWN(image_tool),
	PHP_RINIT(image_tool),		/* Replace with NULL if there's nothing to do at request start */
	PHP_RSHUTDOWN(image_tool),	/* Replace with NULL if there's nothing to do at request end */
	PHP_MINFO(image_tool),
#if ZEND_MODULE_API_NO >= 20010901
	"0.1", /* Replace with version number for your extension */
#endif
	STANDARD_MODULE_PROPERTIES
};
/* }}} */

#ifdef COMPILE_DL_IMAGE_TOOL
ZEND_GET_MODULE(image_tool)
#endif

/* {{{ PHP_MINIT_FUNCTION
 */
PHP_MINIT_FUNCTION(image_tool)
{
	/* If you have INI entries, uncomment these lines 
	REGISTER_INI_ENTRIES();
	*/
	zend_class_entry image_tool_ce;
	INIT_CLASS_ENTRY(image_tool_ce, "Image_Tool", image_tool_methods);
	g_imagetool_ce = zend_register_internal_class(&image_tool_ce TSRMLS_CC);

	zend_declare_property_null(g_imagetool_ce, ZEND_STRL("magick_wand"), ZEND_ACC_PROTECTED TSRMLS_CC);
	zend_declare_property_long(g_imagetool_ce, ZEND_STRL("errcode"), 0, ZEND_ACC_PROTECTED TSRMLS_CC);
	zend_declare_property_null(g_imagetool_ce, ZEND_STRL("errmsg"), ZEND_ACC_PROTECTED TSRMLS_CC);

	REGISTER_LONG_CONSTANT("IMAGETOOL_NORTHWEST", IMAGETOOL_NORTHWEST, CONST_CS);
	REGISTER_LONG_CONSTANT("IMAGETOOL_NORTH", IMAGETOOL_NORTH, CONST_CS);
	REGISTER_LONG_CONSTANT("IMAGETOOL_NORTHEAST", IMAGETOOL_NORTHEAST, CONST_CS);
	REGISTER_LONG_CONSTANT("IMAGETOOL_WEST", IMAGETOOL_WEST, CONST_CS);
	REGISTER_LONG_CONSTANT("IMAGETOOL_CENTER", IMAGETOOL_CENTER, CONST_CS);
	REGISTER_LONG_CONSTANT("IMAGETOOL_EAST", IMAGETOOL_EAST, CONST_CS);
	REGISTER_LONG_CONSTANT("IMAGETOOL_SOUTHWEST", IMAGETOOL_SOUTHWEST, CONST_CS);
	REGISTER_LONG_CONSTANT("IMAGETOOL_SOUTH", IMAGETOOL_SOUTH, CONST_CS);
	REGISTER_LONG_CONSTANT("IMAGETOOL_SOUTHEAST", IMAGETOOL_SOUTHEAST, CONST_CS);
	REGISTER_LONG_CONSTANT("IMAGETOOL_STATIC", IMAGETOOL_STATIC, CONST_CS);

	REGISTER_LONG_CONSTANT("IMAGETOOL_TOP_LEFT", IMAGETOOL_TOP_LEFT, CONST_CS);
	REGISTER_LONG_CONSTANT("IMAGETOOL_TOP_CENTER", IMAGETOOL_TOP_CENTER, CONST_CS);
	REGISTER_LONG_CONSTANT("IMAGETOOL_TOP_RIGHT", IMAGETOOL_TOP_RIGHT, CONST_CS);
	REGISTER_LONG_CONSTANT("IMAGETOOL_CENTER_LEFT", IMAGETOOL_CENTER_LEFT, CONST_CS);
	REGISTER_LONG_CONSTANT("IMAGETOOL_CENTER_CENTER", IMAGETOOL_CENTER_CENTER, CONST_CS);
	REGISTER_LONG_CONSTANT("IMAGETOOL_CENTER_RIGHT", IMAGETOOL_CENTER_RIGHT, CONST_CS);
	REGISTER_LONG_CONSTANT("IMAGETOOL_BOTTOM_LEFT", IMAGETOOL_BOTTOM_LEFT, CONST_CS);
	REGISTER_LONG_CONSTANT("IMAGETOOL_BOTTOM_CENTER", IMAGETOOL_BOTTOM_CENTER, CONST_CS);
	REGISTER_LONG_CONSTANT("IMAGETOOL_BOTTOM_RIGHT", IMAGETOOL_BOTTOM_RIGHT, CONST_CS);

	//注册MagickWand、PixelWand资源
	le_image_wand = zend_register_list_destructors_ex(destroy_magick_wand, NULL, IMAGETOOL_MAGICKWAND_RSRC_NAME, module_number);
	le_image_pixel= zend_register_list_destructors_ex(destroy_pixel_wand, NULL, IMAGETOOL_PIXELWAND_RSRC_NAME, module_number);

	return SUCCESS;
}
/* }}} */

/* {{{ PHP_MSHUTDOWN_FUNCTION
 */
PHP_MSHUTDOWN_FUNCTION(image_tool)
{
	/* uncomment this line if you have INI entries
	UNREGISTER_INI_ENTRIES();
	*/
	MagickWandTerminus();
	return SUCCESS;
}
/* }}} */

/* Remove if there's nothing to do at request start */
/* {{{ PHP_RINIT_FUNCTION
 */
PHP_RINIT_FUNCTION(image_tool)
{
	return SUCCESS;
}
/* }}} */

/* Remove if there's nothing to do at request end */
/* {{{ PHP_RSHUTDOWN_FUNCTION
 */
PHP_RSHUTDOWN_FUNCTION(image_tool)
{
	return SUCCESS;
}
/* }}} */

/* {{{ PHP_MINFO_FUNCTION
 */
PHP_MINFO_FUNCTION(image_tool)
{
	php_info_print_table_start();
	php_info_print_table_header(2, "image_tool support", "enabled");
	php_info_print_table_end();

	/* Remove comments if you have entries in php.ini
	DISPLAY_INI_ENTRIES();
	*/
}
/* }}} */</string.h></wand>
Copier après la connexion

源码下载地址：http://git.oschina.net/365690485/php-class-image_tool

Étiquettes associées：
image php basé sur 实现 扩展
source：php.cn
Article précédent：PHP面向对象精要 Article suivant：22 Open Source PHP Frameworks To Shorten Your Development Ti
Déclaration de ce site Web
Le contenu de cet article est volontairement contribué par les internautes et les droits d'auteur appartiennent à l'auteur original. Ce site n'assume aucune responsabilité légale correspondante. Si vous trouvez un contenu suspecté de plagiat ou de contrefaçon, veuillez contacter admin@php.cn
Derniers articles par auteur
Derniers numéros
Comment afficher la version mobile de Google Chrome Bonjour professeur, comment puis-je changer Google Chrome en version mobile ?
Depuis 2024-04-23 00:22:19
0
9
1588
Les tableaux PHP obtenus à partir des paramètres d'URL ne se comportent pas comme prévu J'ai un paramètre d'URL qui contient l'identifiant de la catégorie et je souhaite le trait...
Depuis 2024-04-06 22:09:02
0
1
1428
Quel est le format des variables dans la valeur de retour ? Je suis un nouvel apprenant de php. J'ai trouvé un morceau de code : if($x<time()){retu...
Depuis 2024-04-06 21:55:20
0
1
778
Expression régulière pour faire correspondre les mots J'ai un script dans lequel j'essaie de faire correspondre les nouveaux noms de travaux ave...
Depuis 2024-04-06 21:24:04
0
1
606
Le vérificateur de Sudoku ne fonctionne pas ? Quelqu'un peut-il m'aider à identifier l'erreur ? J'ai tout essayé sur l'éditeur en ligne mais j'obtiens toujours l'erreur. Mais quand je fa...
Depuis 2024-04-06 21:21:07
0
1
474
Rubriques connexes
Plus>
Recommandations populaires
Tutoriels populaires
Plus>
Tutoriels associés
Recommandations populaires
Derniers cours
Derniers téléchargements
Plus>
effets Web
Code source du site Web
Matériel du site Web
Modèle frontal
À propos de nous Clause de non-responsabilité Sitemap
Site Web PHP chinois：Formation PHP en ligne sur le bien-être public，Aidez les apprenants PHP à grandir rapidement！