1. 클래스 문서 설명
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); }
3. 확장 구현
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 */
C를 사용하여 PHP 확장 Image_Tool 공통 이미지 처리 도구를 구현하는 것과 관련이 있습니다. 수업 관련 기사는 PHP 중국어 웹사이트에 주목해주세요!