imagick\u662f\u4e00\u4e2a\u53ef\u4ee5\u4f9bPHP\u8c03\u7528ImageMagick\u529f\u80fd\u7684PHP\u6269\u5c55\u3002\u4f7f\u7528\u8fd9\u4e2a\u6269\u5c55\u53ef\u4ee5\u4f7fPHP\u5177\u5907\u548cImageMagick\u76f8\u540c\u7684\u529f\u80fd\u3002<\/p>\n
PHP\u5efa\u56fe\u901a\u5e38\u90fd\u7528GD\u5e93,\u56e0\u4e3a\u662f\u5185\u7f6e\u7684\u4e0d\u9700\u8981\u5728\u670d\u52a1\u5668\u4e0a\u989d\u5916\u5b89\u88c5\u63d2\u4ef6,\u6240\u4ee5\u7528\u8d77\u6765\u6bd4\u8f83\u7701\u5fc3,\u4f46\u662f\u5982\u679c\u4f60\u7684\u7a0b\u5e8f\u4e3b\u8981\u7684\u529f\u80fd\u5c31\u662f\u5904\u7406\u56fe\u50cf,\u90a3\u9ebc\u5c31\u4e0d\u5efa\u8bae\u7528GD\u4e86,\u56e0\u4e3aGD\u4e0d\u4f46\u4f4e\u6548\u80fd\u800c\u4e14\u80fd\u529b\u4e5f\u6bd4\u8f83\u5f31,\u4f54\u7528\u7684\u7cfb\u7edf\u8d44\u6e90\u4e5f\u9887\u591a,\u53e6\u5916GD\u7684creatfrom\u4e5f\u6709bug,\u800cimagick\u5374\u662f\u4e00\u4e2a\u5f88\u597d\u7684\u66ff\u4ee3\u54c1,\u4e3a\u6b64\u6700\u8fd1\u628a\u6211\u7684\u4e00\u4e2a\u9879\u76ee\u7531GD\u6539\u6210\u4e86imagick,\u4f46\u662f\u6539\u5b8c\u4e4b\u540e\u51fa\u73b0\u4e86\u4e00\u4e9b\u72b6\u51b5\u5728\u6b64\u5206\u4eab\u7ed9\u5927\u5bb6.<\/p>\n
\u9996\u5148\u8bf4\u4e00\u4e0b\u6211\u8fd9\u8fb9\u51fa\u73b0\u7684\u72b6\u51b5:<\/p>\n
\u72b6\u51b5\u4e00:\u9700\u8981\u91cd\u5199\u56fe\u50cf\u64cd\u4f5cclass<\/p>\n
\u72b6\u51b5\u4e8c:imagick\u591a\u7ebf\u7a0b\u65f6\u4f1a\u5bfc\u81f4cpu\u4f7f\u7528\u7387\u66b4\u589e\u5230100%<\/p>\n
\u5728\u6b64\u987a\u4fbf\u63d0\u4e00\u4e0bimagick\u5728centos6.4\u7684\u5b89\u88c5\u65b9\u6cd5:<\/p>\n
1\u3001\u5b89\u88c5ImageMagick<\/p>\n
wget http:\/\/soft.vpser.net\/web\/imagemagick\/ImageMagick-6.7.1-2.tar.gz
\ntar zxvf ImageMagick-6.7.1-2.tar.gz
\ncd ImageMagick-6.7.1-2\/
\n.\/configure –prefix=\/usr\/local\/imagemagick –disable-openmp
\nmake && make install
\nldconfig<\/p>\n
\u6d4b\u8bd5ImageMagick\u662f\u5426\u53ef\u4ee5\u6b63\u5e38\u8fd0\u884c\uff1a<\/p>\n
\/usr\/local\/imagemagick\/bin\/convert -version<\/p>\n
2\u3001\u5b89\u88c5PHP\u6269\u5c55\uff1aimagick<\/p>\n
wget http:\/\/pecl.php.net\/get\/imagick-3.0.1.tgz
\ntar zxvf imagick-3.0.1.tgz
\ncd imagick-3.0.1\/
\n\/usr\/local\/php\/bin\/phpize
\n.\/configure –with-php-config=\/usr\/local\/php\/bin\/php-config –with-imagick=\/usr\/local\/imagemagick
\nmake && make install
\nldconfig
\nvi \/usr\/local\/php\/etc\/php.ini
\n\u6dfb\u52a0\uff1aextension = “imagick.so”<\/p>\n
\u91cd\u542flnmp<\/p>\n
\/root\/lnmp reload<\/p>\n
\u63a5\u4e0b\u6765\u6211\u4eec\u9488\u5bf9\u4e0a\u8ff0\u4e24\u4e2a\u72b6\u51b5\u5206\u522b\u63d0\u51fa\u89e3\u51b3\u529e\u6cd5:<\/p>\n
\u72b6\u51b5\u4e00\u7684\u89e3\u51b3\u529e\u6cd5\u5982\u4e0b:
\n\/**
\nImagick\u56fe\u50cf\u5904\u7406\u7c7b
\n\u7528\u6cd5:
\n\/\/\u5f15\u5165Imagick\u7269\u4ef6
\nif(!defined(‘CLASS_IMAGICK’)){require(Inc.’class_imagick.php’);}
\n$Imagick=new class_imagick();
\n$Imagick->open(‘a.gif’);
\n$Imagick->resize_to(100,100,’scale_fill’);
\n$Imagick->add_text(‘1024i.com’,10,20);
\n$Imagick->add_watermark(‘1024i.gif’,10,50);
\n$Imagick->save_to(‘x.gif’);
\nunset($Imagick);
\n\/**\/
\ndefine(‘CLASS_IMAGICK’,TRUE);
\nclass class_imagick{
\nprivate $image=null;
\nprivate $type=null;
\n\/\/ \u6784\u9020
\npublic function __construct(){}
\n\/\/ \u6790\u6784
\npublic function __destruct(){
\nif($this->image!==null){$this->image->destroy();}
\n}
\n\/\/ \u8f7d\u5165\u56fe\u50cf
\npublic function open($path){
\nif(!file_exists($path)){
\n$this->image=null;
\nreturn ;
\n}
\n$this->image=new Imagick($path);
\nif($this->image){
\n$this->type=strtolower($this->image->getImageFormat());
\n}
\n$this->image->stripImage();
\nreturn $this->image;
\n}
\n\/**
\n\u56fe\u50cf\u88c1\u5207
\n\/**\/
\npublic function crop($x=0,$y=0,$width=null,$height=null){
\nif($width==null) $width=$this->image->getImageWidth()-$x;
\nif($height==null) $height=$this->image->getImageHeight()-$y;
\nif($width<=0 || $height<=0) return;
\nif($this->type==’gif’){
\n$image=$this->image;
\n$canvas=new Imagick();
\n$images=$image->coalesceImages();
\nforeach($images as $frame){
\n$img=new Imagick();
\n$img->readImageBlob($frame);
\n$img->cropImage($width,$height,$x,$y);
\n$canvas->addImage($img);
\n$canvas->setImageDelay($img->getImageDelay());
\n$canvas->setImagePage($width,$height,0,0);
\n}
\n$image->destroy();
\n$this->image=$canvas;
\n}else{
\n$this->image->cropImage($width,$height,$x,$y);
\n}
\n}
\n\/**
\n\u66f4\u6539\u56fe\u50cf\u5927\u5c0f
\n\u53c2\u6570:
\n$width:\u65b0\u7684\u5bbd\u5ea6
\n$height:\u65b0\u7684\u9ad8\u5ea6
\n$fit: \u9002\u5e94\u5927\u5c0f
\n‘force’: \u628a\u56fe\u50cf\u5f3a\u5236\u6539\u4e3a$width X $height
\n‘scale’: \u6309\u6bd4\u4f8b\u5728$width X $height\u5185\u7f29\u653e\u56fe\u7247,\u7ed3\u679c\u4e0d\u5b8c\u5168\u7b49\u65bc$width X $height
\n‘scale_fill’:\u6309\u6bd4\u4f8b\u5728$width X $height\u5185\u7f29\u653e\u56fe\u7247,\u6ca1\u6709\u50cf\u7d20\u7684\u5730\u65b9\u586b\u5145\u984f\u8272$fill_color=array(255,255,255)(\u7ea2,\u7eff,\u84dd,\u900f\u660e\u5ea6[0\u4e0d\u900f\u660e-127\u5168\u900f\u660e])
\n\u5176\u4ed6:\u667a\u80fd\u6a21\u5f0f,\u7f29\u653e\u56fe\u7247\u5e76\u4ece\u6b63\u4e2d\u88c1\u5207$width X $height\u7684\u5927\u5c0f
\n\u6ce8\u610f:
\n$fit=’force’,’scale’,’scale_fill’\u65f6\u8f93\u51fa\u5b8c\u6574\u56fe\u50cf
\n$fit=\u56fe\u50cf\u65b9\u4f4d\u65f6\u8f93\u51fa\u6307\u5b9a\u4f4d\u7f6e\u90e8\u4efd\u7684\u56fe\u50cf
\n\u5b57\u6bcd\u4e0e\u56fe\u50cf\u7684\u5bf9\u5e94\u5173\u7cfb\u5982\u4e0b:
\nnorth_west\u00a0\u00a0 north\u00a0\u00a0 north_east
\nwest\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 center\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 east
\nsouth_west\u00a0\u00a0 south\u00a0\u00a0 south_east
\n\/**\/
\npublic function resize_to($width=100,$height=100,$fit=’center’,$fill_color=array(255,255,255,0)){
\nswitch($fit){
\ncase ‘force’:
\nif($this->type==’gif’){
\n$image=$this->image;
\n$canvas=new Imagick();
\n$images=$image->coalesceImages();
\nforeach($images as $frame){
\n$img=new Imagick();
\n$img->readImageBlob($frame);
\n$img->thumbnailImage($width,$height,false);
\n$canvas->addImage($img);
\n$canvas->setImageDelay($img->getImageDelay());
\n}
\n$image->destroy();
\n$this->image=$canvas;
\n}else{
\n$this->image->thumbnailImage($width,$height,false);
\n}
\nbreak;
\ncase ‘scale’:
\nif($this->type==’gif’){
\n$image=$this->image;
\n$images=$image->coalesceImages();
\n$canvas=new Imagick();
\nforeach($images as $frame){
\n$img=new Imagick();
\n$img->readImageBlob($frame);
\n$img->thumbnailImage($width,$height,true);
\n$canvas->addImage($img);
\n$canvas->setImageDelay($img->getImageDelay());
\n}
\n$image->destroy();
\n$this->image=$canvas;
\n}else{
\n$this->image->thumbnailImage($width,$height,true);
\n}
\nbreak;
\ncase ‘scale_fill’:
\n$size=$this->image->getImagePage();
\n$src_width=$size[‘width’];
\n$src_height=$size[‘height’];
\n$x=0;
\n$y=0;
\n$dst_width=$width;
\n$dst_height=$height;
\nif($src_width*$height > $src_height*$width){
\n$dst_height=intval($width*$src_height\/$src_width);
\n$y=intval(($height-$dst_height)\/2);
\n}else{
\n$dst_width=intval($height*$src_width\/$src_height);
\n$x=intval(($width-$dst_width)\/2);
\n}
\n$image=$this->image;
\n$canvas=new Imagick();
\n$color=’rgba(‘.$fill_color[0].’,’.$fill_color[1].’,’.$fill_color[2].’,’.$fill_color[3].’)’;
\nif($this->type==’gif’){
\n$images=$image->coalesceImages();
\nforeach($images as $frame){
\n$frame->thumbnailImage($width,$height,true);
\n$draw=new ImagickDraw();
\n$draw->composite($frame->getImageCompose(),$x,$y,$dst_width,$dst_height,$frame);
\n$img=new Imagick();
\n$img->newImage($width,$height,$color,’gif’);
\n$img->drawImage($draw);
\n$canvas->addImage($img);
\n$canvas->setImageDelay($img->getImageDelay());
\n$canvas->setImagePage($width,$height,0,0);
\n}
\n}else{
\n$image->thumbnailImage($width,$height,true);
\n$draw=new ImagickDraw();
\n$draw->composite($image->getImageCompose(),$x,$y,$dst_width,$dst_height,$image);
\n$canvas->newImage($width,$height,$color,$this->get_type());
\n$canvas->drawImage($draw);
\n$canvas->setImagePage($width,$height,0,0);
\n}
\n$image->destroy();
\n$this->image=$canvas;
\nbreak;
\ndefault:
\n$size=$this->image->getImagePage();
\n$src_width=$size[‘width’];
\n$src_height=$size[‘height’];
\n$crop_x=0;
\n$crop_y=0;
\n$crop_w=$src_width;
\n$crop_h=$src_height;
\nif($src_width*$height > $src_height*$width){
\n$crop_w=intval($src_height*$width\/$height);
\n}else{
\n$crop_h=intval($src_width*$height\/$width);
\n}
\nswitch($fit){
\ncase ‘north_west’:
\n$crop_x=0;
\n$crop_y=0;
\nbreak;
\ncase ‘north’:
\n$crop_x=intval(($src_width-$crop_w)\/2);
\n$crop_y=0;
\nbreak;
\ncase ‘north_east’:
\n$crop_x=$src_width-$crop_w;
\n$crop_y=0;
\nbreak;
\ncase ‘west’:
\n$crop_x=0;
\n$crop_y=intval(($src_height-$crop_h)\/2);
\nbreak;
\ncase ‘center’:
\n$crop_x=intval(($src_width-$crop_w)\/2);
\n$crop_y=intval(($src_height-$crop_h)\/2);
\nbreak;
\ncase ‘east’:
\n$crop_x=$src_width-$crop_w;
\n$crop_y=intval(($src_height-$crop_h)\/2);
\nbreak;
\ncase ‘south_west’:
\n$crop_x=0;
\n$crop_y=$src_height-$crop_h;
\nbreak;
\ncase ‘south’:
\n$crop_x=intval(($src_width-$crop_w)\/2);
\n$crop_y=$src_height-$crop_h;
\nbreak;
\ncase ‘south_east’:
\n$crop_x=$src_width-$crop_w;
\n$crop_y=$src_height-$crop_h;
\nbreak;
\ndefault:
\n$crop_x=intval(($src_width-$crop_w)\/2);
\n$crop_y=intval(($src_height-$crop_h)\/2);
\n}
\n$image=$this->image;
\n$canvas=new Imagick();
\nif($this->type==’gif’){
\n$images=$image->coalesceImages();
\nforeach($images as $frame){
\n$img=new Imagick();
\n$img->readImageBlob($frame);
\n$img->cropImage($crop_w,$crop_h,$crop_x,$crop_y);
\n$img->thumbnailImage($width,$height,true);
\n$canvas->addImage($img);
\n$canvas->setImageDelay($img->getImageDelay());
\n$canvas->setImagePage($width,$height,0,0);
\n}
\n}else{
\n$image->cropImage($crop_w,$crop_h,$crop_x,$crop_y);
\n$image->thumbnailImage($width,$height,true);
\n$canvas->addImage($image);
\n$canvas->setImagePage($width,$height,0,0);
\n}
\n$image->destroy();
\n$this->image=$canvas;
\n}
\n}
\n\/**
\n\u6dfb\u52a0\u56fe\u7247\u6c34\u5370
\n\u53c2\u6570:
\n$path:\u6c34\u5370\u56fe\u7247(\u5305\u542b\u5b8c\u6574\u8def\u5f84)
\n$x,$y:\u6c34\u5370\u5ea7\u6807
\n\/**\/
\npublic function add_watermark($path,$x=0,$y=0){
\n$watermark=new Imagick($path);
\n$draw=new ImagickDraw();
\n$draw->composite($watermark->getImageCompose(),$x,$y,$watermark->getImageWidth(),$watermark->getimageheight(),$watermark);
\nif($this->type==’gif’){
\n$image=$this->image;
\n$canvas=new Imagick();
\n$images=$image->coalesceImages();
\nforeach($image as $frame){
\n$img=new Imagick();
\n$img->readImageBlob($frame);
\n$img->drawImage($draw);
\n$canvas->addImage($img);
\n$canvas->setImageDelay($img->getImageDelay());
\n}
\n$image->destroy();
\n$this->image=$canvas;
\n}else{
\n$this->image->drawImage($draw);
\n}
\n}
\n\/**
\n\u6dfb\u52a0\u6587\u5b57\u6c34\u5370
\n\u53c2\u6570:
\n$text:\u6c34\u5370\u6587\u5b57
\n$x,$y:\u6c34\u5370\u5ea7\u6807
\n\/**\/
\npublic function add_text($text,$x=0,$y=0,$angle=0,$style=array()){
\n$draw=new ImagickDraw();
\nif(isset($style[‘font’])) $draw->setFont($style[‘font’]);
\nif(isset($style[‘font_size’])) $draw->setFontSize($style[‘font_size’]);
\nif(isset($style[‘fill_color’])) $draw->setFillColor($style[‘fill_color’]);
\nif(isset($style[‘under_color’])) $draw->setTextUnderColor($style[‘under_color’]);
\nif($this->type==’gif’){
\nforeach($this->image as $frame){
\n$frame->annotateImage($draw,$x,$y,$angle,$text);
\n}
\n}else{
\n$this->image->annotateImage($draw,$x,$y,$angle,$text);
\n}
\n}
\n\/**
\n\u56fe\u7247\u5b58\u6863
\n\u53c2\u6570:
\n$path:\u5b58\u6863\u7684\u4f4d\u7f6e\u548c\u65b0\u7684\u6863\u6848\u540d
\n\/**\/
\npublic function save_to($path){
\n$this->image->stripImage();
\nswitch($this->type){
\ncase ‘gif’:
\n$this->image->writeImages($path,true);
\nreturn ;
\ncase ‘jpg’:
\ncase ‘jpeg’:
\n$this->image->setImageCompressionQuality($_ENV[‘ImgQ’]);
\n$this->image->writeImage($path);
\nreturn ;
\ncase ‘png’:
\n$flag = $this->image->getImageAlphaChannel();
\n\/\/ \u5982\u679cpng\u80cc\u666f\u4e0d\u900f\u660e\u5219\u538b\u7f29
\nif(imagick::ALPHACHANNEL_UNDEFINED == $flag or imagick::ALPHACHANNEL_DEACTIVATE == $flag){
\n$this->image->setImageType(imagick::IMGTYPE_PALETTE);
\n$this->image->writeImage($path);
\n}else{
\n$this->image->writeImage($path);
\n}unset($flag);
\nreturn ;
\ndefault:
\n$this->image->writeImage($path);
\nreturn ;
\n}
\n}
\n\/\/ \u76f4\u63a5\u8f93\u51fa\u56fe\u50cf\u5230\u8424\u5e55
\npublic function output($header=true){
\nif($header) header(‘Content-type: ‘.$this->type);
\necho $this->image->getImagesBlob();
\n}
\n\/**
\n\u5efa\u7acb\u7f29\u5c0f\u56fe
\n$fit\u4e3a\u771f\u65f6,\u5c06\u4fdd\u6301\u6bd4\u4f8b\u5e76\u5728$width X $height\u5185\u7522\u751f\u7f29\u5c0f\u56fe
\n\/**\/
\npublic function thumbnail($width=100,$height=100,$fit=true){$this->image->thumbnailImage($width,$height,$fit);}
\n\/**
\n\u7ed9\u56fe\u50cf\u6dfb\u52a0\u8fb9\u6846
\n$width: \u5de6\u53f3\u8fb9\u6846\u5bbd\u5ea6
\n$height: \u4e0a\u4e0b\u8fb9\u6846\u5bbd\u5ea6
\n$color: \u984f\u8272
\n\/**\/
\npublic function border($width,$height,$color=’rgb(220,220,220)’){
\n$color=new ImagickPixel();
\n$color->setColor($color);
\n$this->image->borderImage($color,$width,$height);
\n}
\n\/\/\u53d6\u5f97\u56fe\u50cf\u5bbd\u5ea6
\npublic function get_width(){$size=$this->image->getImagePage();return $size[‘width’];}
\n\/\/\u53d6\u5f97\u56fe\u50cf\u9ad8\u5ea6
\npublic function get_height(){$size=$this->image->getImagePage();return $size[‘height’];}
\n\/\/ \u8bbe\u7f6e\u56fe\u50cf\u7c7b\u578b
\npublic function set_type($type=’png’){$this->type=$type;$this->image->setImageFormat($type);}
\n\/\/ \u53d6\u5f97\u56fe\u50cf\u7c7b\u578b
\npublic function get_type(){return $this->type;}
\npublic function blur($radius,$sigma){$this->image->blurImage($radius,$sigma);} \/\/ \u6a21\u7cca
\npublic function gaussian_blur($radius,$sigma){$this->image->gaussianBlurImage($radius,$sigma);} \/\/ \u9ad8\u65af\u6a21\u7cca
\npublic function motion_blur($radius,$sigma,$angle){$this->image->motionBlurImage($radius,$sigma,$angle);} \/\/ \u8fd0\u52a8\u6a21\u7cca
\npublic function radial_blur($radius){$this->image->radialBlurImage($radius);} \/\/ \u5f84\u5411\u6a21\u7cca
\npublic function add_noise($type=null){$this->image->addNoiseImage($type==null?imagick::NOISE_IMPULSE:$type);} \/\/ \u6dfb\u52a0\u566a\u70b9
\npublic function level($black_point,$gamma,$white_point){$this->image->levelImage($black_point,$gamma,$white_point);} \/\/ \u8c03\u6574\u8272\u9636
\npublic function modulate($brightness,$saturation,$hue){$this->image->modulateImage($brightness,$saturation,$hue);} \/\/ \u8c03\u6574\u4eae\u5ea6,\u9971\u548c\u5ea6,\u8272\u8c03
\npublic function charcoal($radius,$sigma){$this->image->charcoalImage($radius,$sigma);} \/\/ \u7d20\u63cf\u6548\u679c
\npublic function oil_paint($radius){$this->image->oilPaintImage($radius);} \/\/ \u6cb9\u753b\u6548\u679c
\npublic function flop(){$this->image->flopImage();} \/\/ \u6c34\u5e73\u7ffb\u8f6c
\npublic function flip(){$this->image->flipImage();} \/\/ \u5782\u76f4\u7ffb\u8f6c
\n}<\/p>\n
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