PHP安装扩展

1、wget https://pecl.php.net/get/imagick-3.4.3.tgz2、tar zxvf imagick-3.4.3.tgz 3、cd imagick-3.4.34、/usr/local/php-7.1.7/bin/phpize 5、 ./configure --with-php-config=/usr/local/php-7.1.7/bin/php-config6、 make && make install7、ll /usr/local/php-7.1.7/lib/php/extensions/no-debug-non-zts-20160303/8、vim /usr/local/php-7.1.7/etc/php.ini 9、 /etc/init.d/php-fpm reload10、/usr/local/php-7.1.7/bin/php -m

/** ???Imagick图像处理类 ???用法: ???????//引入Imagick物件 ???????if(!defined(‘CLASS_IMAGICK‘)){require(Inc.‘class_imagick.php‘);} ???????$Imagick=new class_imagick(); ???????$Imagick->open(‘a.gif‘); ???????$Imagick->resize_to(100,100,‘scale_fill‘); ???????$Imagick->add_text(‘1024i.com‘,10,20); ???????$Imagick->add_watermark(‘1024i.gif‘,10,50); ???????$Imagick->save_to(‘x.gif‘); ???????unset($Imagick);/**/define(‘CLASS_IMAGICK‘,TRUE);class class_imagick{ ???private $image=null; ???private $type=null; ???// 构造 ???public function __construct(){} ???// 析构 ???public function __destruct(){ ???????if($this->image!==null){$this->image->destroy();} ???} ???// 载入图像 ???public function open($path){ ???????if(!file_exists($path)){ ???????????$this->image=null; ???????????return ; ???????} ???????$this->image=new Imagick($path); ???????if($this->image){ ???????????$this->type=strtolower($this->image->getImageFormat()); ???????} ???????$this->image->stripImage(); ???????return $this->image; ???} ???/** ???????图像裁切 ???/**/ ???public function crop($x=0,$y=0,$width=null,$height=null){ ???????if($width==null) $width=$this->image->getImageWidth()-$x; ???????if($height==null) $height=$this->image->getImageHeight()-$y; ???????if($width<=0 || $height<=0) return; ???????if($this->type==‘gif‘){ ???????????$image=$this->image; ???????????$canvas=new Imagick(); ???????????$images=$image->coalesceImages(); ???????????foreach($images as $frame){ ???????????????$img=new Imagick(); ???????????????$img->readImageBlob($frame); ???????????????$img->cropImage($width,$height,$x,$y); ???????????????$canvas->addImage($img); ???????????????$canvas->setImageDelay($img->getImageDelay()); ???????????????$canvas->setImagePage($width,$height,0,0); ???????????} ???????????$image->destroy(); ???????????$this->image=$canvas; ???????}else{ ???????????$this->image->cropImage($width,$height,$x,$y); ???????} ???} ???/** ???????更改图像大小 ???????参数: ???????????$width:新的宽度 ???????????$height:新的高度 ???????????$fit: 适应大小 ???????????????‘force‘: 把图像强制改为$width X $height ???????????????‘scale‘: 按比例在$width X $height内缩放图片,结果不完全等於$width X $height ???????????????‘scale_fill‘:按比例在$width X $height内缩放图片,没有像素的地方填充顏色$fill_color=array(255,255,255)(红,绿,蓝,透明度[0不透明-127全透明]) ???????????????其他:智能模式,缩放图片并从正中裁切$width X $height的大小 ???????注意: ???????????$fit=‘force‘,‘scale‘,‘scale_fill‘时输出完整图像 ???????????$fit=图像方位时输出指定位置部份的图像 ???????字母与图像的对应关系如下: ???????????north_west ??north ??north_east ???????????west ????????center ???????east ???????????south_west ??south ??south_east ???/**/ ???public function resize_to($width=100,$height=100,$fit=‘center‘,$fill_color=array(255,255,255,0)){ ???????switch($fit){ ???????case ‘force‘: ???????????if($this->type==‘gif‘){ ???????????????$image=$this->image; ???????????????$canvas=new Imagick(); ???????????????$images=$image->coalesceImages(); ???????????????foreach($images as $frame){ ???????????????????$img=new Imagick(); ???????????????????$img->readImageBlob($frame); ???????????????????$img->thumbnailImage($width,$height,false); ???????????????????$canvas->addImage($img); ???????????????????$canvas->setImageDelay($img->getImageDelay()); ???????????????} ???????????????$image->destroy(); ???????????????$this->image=$canvas; ???????????}else{ ???????????????$this->image->thumbnailImage($width,$height,false); ???????????} ???????????break; ???????case ‘scale‘: ???????????if($this->type==‘gif‘){ ???????????????$image=$this->image; ???????????????$images=$image->coalesceImages(); ???????????????$canvas=new Imagick(); ???????????????foreach($images as $frame){ ???????????????????$img=new Imagick(); ???????????????????$img->readImageBlob($frame); ???????????????????$img->thumbnailImage($width,$height,true); ???????????????????$canvas->addImage($img); ???????????????????$canvas->setImageDelay($img->getImageDelay()); ???????????????} ???????????????$image->destroy(); ???????????????$this->image=$canvas; ???????????}else{ ???????????????$this->image->thumbnailImage($width,$height,true); ???????????} ???????????break; ???????case ‘scale_fill‘: ???????????$size=$this->image->getImagePage(); ???????????$src_width=$size[‘width‘]; ???????????$src_height=$size[‘height‘]; ???????????$x=0; ???????????$y=0; ???????????$dst_width=$width; ???????????$dst_height=$height; ???????????if($src_width*$height > $src_height*$width){ ???????????????$dst_height=intval($width*$src_height/$src_width); ???????????????$y=intval(($height-$dst_height)/2); ???????????}else{ ???????????????$dst_width=intval($height*$src_width/$src_height); ???????????????$x=intval(($width-$dst_width)/2); ???????????} ???????????$image=$this->image; ???????????$canvas=new Imagick(); ???????????$color=‘rgba(‘.$fill_color[0].‘,‘.$fill_color[1].‘,‘.$fill_color[2].‘,‘.$fill_color[3].‘)‘; ???????????if($this->type==‘gif‘){ ???????????????$images=$image->coalesceImages(); ???????????????foreach($images as $frame){ ???????????????????$frame->thumbnailImage($width,$height,true); ???????????????????$draw=new ImagickDraw(); ???????????????????$draw->composite($frame->getImageCompose(),$x,$y,$dst_width,$dst_height,$frame); ???????????????????$img=new Imagick(); ???????????????????$img->newImage($width,$height,$color,‘gif‘); ???????????????????$img->drawImage($draw); ???????????????????$canvas->addImage($img); ???????????????????$canvas->setImageDelay($img->getImageDelay()); ???????????????????$canvas->setImagePage($width,$height,0,0); ???????????????} ???????????}else{ ???????????????$image->thumbnailImage($width,$height,true); ???????????????$draw=new ImagickDraw(); ???????????????$draw->composite($image->getImageCompose(),$x,$y,$dst_width,$dst_height,$image); ???????????????$canvas->newImage($width,$height,$color,$this->get_type()); ???????????????$canvas->drawImage($draw); ???????????????$canvas->setImagePage($width,$height,0,0); ???????????} ???????????$image->destroy(); ???????????$this->image=$canvas; ???????????break; ???????default: ???????????$size=$this->image->getImagePage(); ???????????$src_width=$size[‘width‘]; ???????????$src_height=$size[‘height‘]; ???????????$crop_x=0; ???????????$crop_y=0; ???????????$crop_w=$src_width; ???????????$crop_h=$src_height; ???????????if($src_width*$height > $src_height*$width){ ???????????????$crop_w=intval($src_height*$width/$height); ???????????}else{ ???????????????$crop_h=intval($src_width*$height/$width); ???????????} ???????????switch($fit){ ???????????????case ‘north_west‘: ???????????????????$crop_x=0; ???????????????????$crop_y=0; ???????????????????break; ???????????????case ‘north‘: ???????????????????$crop_x=intval(($src_width-$crop_w)/2); ???????????????????$crop_y=0; ???????????????????break; ???????????????case ‘north_east‘: ???????????????????$crop_x=$src_width-$crop_w; ???????????????????$crop_y=0; ???????????????????break; ???????????????case ‘west‘: ???????????????????$crop_x=0; ???????????????????$crop_y=intval(($src_height-$crop_h)/2); ???????????????????break; ???????????????case ‘center‘: ???????????????????$crop_x=intval(($src_width-$crop_w)/2); ???????????????????$crop_y=intval(($src_height-$crop_h)/2); ???????????????????break; ???????????????case ‘east‘: ???????????????????$crop_x=$src_width-$crop_w; ???????????????????$crop_y=intval(($src_height-$crop_h)/2); ???????????????????break; ???????????????case ‘south_west‘: ???????????????????$crop_x=0; ???????????????????$crop_y=$src_height-$crop_h; ???????????????????break; ???????????????case ‘south‘: ???????????????????$crop_x=intval(($src_width-$crop_w)/2); ???????????????????$crop_y=$src_height-$crop_h; ???????????????????break; ???????????????case ‘south_east‘: ???????????????????$crop_x=$src_width-$crop_w; ???????????????????$crop_y=$src_height-$crop_h; ???????????????????break; ???????????????default: ???????????????????$crop_x=intval(($src_width-$crop_w)/2); ???????????????????$crop_y=intval(($src_height-$crop_h)/2); ???????????} ???????????$image=$this->image; ???????????$canvas=new Imagick(); ???????????if($this->type==‘gif‘){ ???????????????$images=$image->coalesceImages(); ???????????????foreach($images as $frame){ ???????????????????$img=new Imagick(); ???????????????????$img->readImageBlob($frame); ???????????????????$img->cropImage($crop_w,$crop_h,$crop_x,$crop_y); ???????????????????$img->thumbnailImage($width,$height,true); ???????????????????$canvas->addImage($img); ???????????????????$canvas->setImageDelay($img->getImageDelay()); ???????????????????$canvas->setImagePage($width,$height,0,0); ???????????????} ???????????}else{ ???????????????$image->cropImage($crop_w,$crop_h,$crop_x,$crop_y); ???????????????$image->thumbnailImage($width,$height,true); ???????????????$canvas->addImage($image); ???????????????$canvas->setImagePage($width,$height,0,0); ???????????} ???????????$image->destroy(); ???????????$this->image=$canvas; ???????} ???} ???/** ???????添加图片水印 ???????参数: ???????????$path:水印图片(包含完整路径) ???????????$x,$y:水印座标 ???/**/ ???public function add_watermark($path,$x=0,$y=0){ ???????$watermark=new Imagick($path); ???????$draw=new ImagickDraw(); ???????$draw->composite($watermark->getImageCompose(),$x,$y,$watermark->getImageWidth(),$watermark->getimageheight(),$watermark); ???????if($this->type==‘gif‘){ ???????????$image=$this->image; ???????????$canvas=new Imagick(); ???????????$images=$image->coalesceImages(); ???????????foreach($image as $frame){ ???????????????$img=new Imagick(); ???????????????$img->readImageBlob($frame); ???????????????$img->drawImage($draw); ???????????????$canvas->addImage($img); ???????????????$canvas->setImageDelay($img->getImageDelay()); ???????????} ???????????$image->destroy(); ???????????$this->image=$canvas; ???????}else{ ???????????$this->image->drawImage($draw); ???????} ???} ???/** ???????添加文字水印 ???????参数: ???????????$text:水印文字 ???????????$x,$y:水印座标 ???/**/ ???public function add_text($text,$x=0,$y=0,$angle=0,$style=array()){ ???????$draw=new ImagickDraw(); ???????if(isset($style[‘font‘])) $draw->setFont($style[‘font‘]); ???????if(isset($style[‘font_size‘])) $draw->setFontSize($style[‘font_size‘]); ???????if(isset($style[‘fill_color‘])) $draw->setFillColor($style[‘fill_color‘]); ???????if(isset($style[‘under_color‘])) $draw->setTextUnderColor($style[‘under_color‘]); ???????if($this->type==‘gif‘){ ???????????foreach($this->image as $frame){ ???????????????$frame->annotateImage($draw,$x,$y,$angle,$text); ???????????} ???????}else{ ???????????$this->image->annotateImage($draw,$x,$y,$angle,$text); ???????} ???} ???/** ???????图片存档 ???????参数: ???????????$path:存档的位置和新的档案名 ???/**/ ???public function save_to($path){ ???????$this->image->stripImage(); ???????switch($this->type){ ???????case ‘gif‘: ???????????$this->image->writeImages($path,true); ???????????return ; ???????case ‘jpg‘: ???????case ‘jpeg‘: ???????????$this->image->setImageCompressionQuality($_ENV[‘ImgQ‘]); ???????????$this->image->writeImage($path); ???????????return ; ???????case ‘png‘: ???????????$flag = $this->image->getImageAlphaChannel(); ???????????// 如果png背景不透明则压缩 ???????????if(imagick::ALPHACHANNEL_UNDEFINED == $flag or imagick::ALPHACHANNEL_DEACTIVATE == $flag){ ???????????????$this->image->setImageType(imagick::IMGTYPE_PALETTE); ???????????????$this->image->writeImage($path); ???????????}else{ ???????????????$this->image->writeImage($path); ???????????}unset($flag); ???????????return ; ???????default: ???????????$this->image->writeImage($path); ???????????return ; ???????} ???} ???// 直接输出图像到萤幕 ???public function output($header=true){ ???????if($header) header(‘Content-type: ‘.$this->type); ???????echo $this->image->getImagesBlob(); ???} ???/** ???????建立缩小图 ???????$fit为真时,将保持比例并在$width X $height内產生缩小图 ???/**/ ???public function thumbnail($width=100,$height=100,$fit=true){$this->image->thumbnailImage($width,$height,$fit);} ???/** ???????给图像添加边框 ???????$width: 左右边框宽度 ???????$height: 上下边框宽度 ???????$color: 顏色 ???/**/ ???public function border($width,$height,$color=‘rgb(220,220,220)‘){ ???????$color=new ImagickPixel(); ???????$color->setColor($color); ???????$this->image->borderImage($color,$width,$height); ???} ???//取得图像宽度 ???public function get_width(){$size=$this->image->getImagePage();return $size[‘width‘];} ???//取得图像高度 ???public function get_height(){$size=$this->image->getImagePage();return $size[‘height‘];} ???// 设置图像类型 ???public function set_type($type=‘png‘){$this->type=$type;$this->image->setImageFormat($type);} ???// 取得图像类型 ???public function get_type(){return $this->type;} ???public function blur($radius,$sigma){$this->image->blurImage($radius,$sigma);} // 模糊 ???public function gaussian_blur($radius,$sigma){$this->image->gaussianBlurImage($radius,$sigma);} // 高斯模糊 ???public function motion_blur($radius,$sigma,$angle){$this->image->motionBlurImage($radius,$sigma,$angle);} // 运动模糊 ???public function radial_blur($radius){$this->image->radialBlurImage($radius);} // 径向模糊 ???public function add_noise($type=null){$this->image->addNoiseImage($type==null?imagick::NOISE_IMPULSE:$type);} // 添加噪点 ???public function level($black_point,$gamma,$white_point){$this->image->levelImage($black_point,$gamma,$white_point);} // 调整色阶 ???public function modulate($brightness,$saturation,$hue){$this->image->modulateImage($brightness,$saturation,$hue);} // 调整亮度,饱和度,色调 ???public function charcoal($radius,$sigma){$this->image->charcoalImage($radius,$sigma);} // 素描效果 ???public function oil_paint($radius){$this->image->oilPaintImage($radius);} // 油画效果 ???public function flop(){$this->image->flopImage();} // 水平翻转 ???public function flip(){$this->image->flipImage();} // 垂直翻转}