php扩展Imagick

更新时间:2023-04-08 20:05:43 阅读：评论：0

<?php//获取水印图片logo=newImagick("hacktea8.png");logo=newImagick("hacktea8.png");logo->tImageResolution(0.01,0.03);//创建一个Imagick对象，同时获取要处理的源图im=newImagick("www/hacktea8/com.jpg");//获取源图片宽和高im=newImagick("www/hacktea8/com.jpg");//获取源图片宽和高srcWH = im−>getImageGeometry();//图片等比例缩放宽和高设置if(im−>getImageGeometry();//图片等比例缩放宽和高设置if(srcWH['width']>710){srcW[′width′]=710;srcW[′width′]=710;srcH['height'] = srcW[′width′]/srcW[′width′]/srcWH['width']*srcWH['height']; }el{ $srcW['width'] = $srcWH['width']; $srcH['height'] = $srcWH['height']; }  //按照比例进行缩放srcWH['height']; }el{ $srcW['width'] = $srcWH['width']; $srcH['height'] = $srcWH['height']; } //按照比例进行缩放im->thumbnailImage( srcW[′width′],srcW[′width′],srcH['height'], true ); // 按照缩略图大小创建一个有颜色的图片canvas=newImagick();canvas=newImagick();canvas->newImage( srcW[′width′],srcW[′width′],srcH['height'], 'black', 'jpg' ); //pink,black//添加水印im−>compositeImage(im−>compositeImage(logo,Imagick::COMPOSITE_OVER,srcW[′width′]−280,srcW[′width′]−280,srcH['height']-77);canvas−>tcompressionquality(91);//合并图片canvas−>tcompressionqu几分在心头ality(91);//合并图片canvas->compositeImage( im,imagick::COMPOSITEOVER,0,0);//输出图片header("Content−Type:image/jpg");echoim,imagick::COMPOSITEOVER,0,0);//输出图片header("Content−Type:image/jpg");echocanvas; //生成图片$canvas->writeImage( "test_img/old_large_img_2_96.jpg" );?>

imagick是一个功能强大的图像处理库。

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偏置图像:

例子：

<?phpini_t('display_errors',1);header('Content-type: image/jpeg');等式和方程的区别$image = new Imagick('1.jpg');$image->rollImage(20,39);echo $image;?>

thumbnailImage(width,width,height) 改变图片大小
例子:

<?phpini_t('display_errors',1);header('Content-type: image/jpeg');$image = new Imagick('1.jpg');$image->thumbnailImage(100,0);echo $image;?>

addNoiImage(int noitype[,intnoitype[,intchannel= Imagick::CHANNEL_ALL ]);
功能：
Adds random noi to the image
添加干扰素

Noi constants ( noitype类型)imagick::NOISEUNIFORM(integer)imagick::NOISEGAUSSIAN(integer)imagick::NOISEMULTIPLICATIVEGAUSSIAN(integer)imagick::NOISEIMPULSE(integer)imagick::NOISELAPLACIAN(integer孩子走神的原因)imagick::NOISEPOISSON(integer)Channelconstants(noitype类型)imagick::NOISEUNIFORM(integer)imagick::NOISEGAUSSIAN(integer)imagick::NOISEMULTIPLICATIVEGAUSSIAN(integer)imagick::NOISEIMPULSE(integer)imagick::NOISELAPLACIAN(integer)imagick::NOISEPOISSON(integer)Channelconstants(chan猜不透丁当歌词nel 类型)
imagick::CHANNEL_UNDEFINED (integer)
imagick::CHANNEL_RED (integer)
imagick::CHANNEL_GRAY (integer)
imagick::CHANNEL_CYAN (integer)
imagick::CHANNEL_GREEN (integer)
imagick::CHANNEL_MAGENTA (integer)
imagick::CHANNEL_BLUE (integer)
imagick::CHANNEL_YELLOW (integer)
imagick::CHANNEL_ALPHA (integer)
imagick::CHANNEL_OPACITY (integer)
imagick::CHANNEL_MATTE (integer)
imagick::CHANNEL_BLACK (integer)
imagick::CHANNEL_INDEX (integer)
imagick::CHANNEL_ALL (integer)
例子：

<?phpini_t('display_errors',1);header('Content-type: image/jpeg');$image = new Imagick('1.jpg');$image->thumbnailImage(100,0);$image->addNoiImage(imagick::NOISE_POISSON,imagick::CHANNEL_OPACITY);echo $image;?>

annotateImage 创建文本图像
例子:

<?php$image = new Imagick();$draw = new ImagickDraw();$pixel = new ImagickPixel( 'gray' );$image->newImage(800, 75, $pixel);$pixel->tColor('black');$draw->tFont('Bookman-DemiItalic');$draw->tFontSize( 30 );$image->annotateImage($draw, 10, 45, 0, 'The quick brown fox jumps over the lazy dog');$image->tImageFormat('png');header('Content-type: image/png');echo $image;?>

blurImage(float radius,floatradius,floatsigma [, int $channel ])
Adds blur filter to image 图像模糊度处理
参数:
int $channel :
imagick::CHANNEL_UNDEFINED (integer)
imagick::CHANNEL_RED (integer)
imagick::CHANNEL_GRAY (integer)
imagick::CHANNEL_CYAN (integer)
imagick::CHANNEL_GREEN (integer)
imagick::CHANNEL_MAGENTA (integer)
imagick::CHANNEL_BLUE (integer)
imagick::CHANNEL_YELLOW (integer)
imagick::CHANNEL_ALPHA (integer)
imagick::CHANNEL_OPACITY (integer)
imagick::CHANNEL_MATTE (integer)
imagick::CHANNEL_BLACK (integer)
imagick::CHANNEL_INDEX (integer)
imagick::CHANNEL_ALL (integer)

```php<?phpini_t('display_errors',1);header('Content-type: image/jpeg');$image = new Imagick('1.jpg');$image->blurImage(5,3);echo $image;?>

borderImage ( mixed bordercolor,intbordercolor,intwidth , int $height ) 图片边框处理
例子:

<?phpini_t('display_errors',1);header('Content-type: image/jpeg');$image = new Imagick('1.jpg');$color=new ImagickPixel();$color->tColor("rgb(220,220,220)");$image->borderImage($color,5,4);image−>blurImage(5,5,imagick::CHANNELGREEN);echoimage−>blurImage(5,5,imagick::CHANNELGREEN);echoimage;?>

charcoalImage ( float radius,floatradius,floatsigma ) 图像素描处理
参数说明:
radius：越小越薄。radius：越小越薄。sigma：越大墨越深反之。
例子:

<?phpini_s提醒幸福et('display_errors',1);header('Content-type: image/jpeg');$image = new Imagick('1.jpg');$color=new ImagickPixel();$color->tColor("rgb(220,220,220)");$image->borderImage($color,5,4);$image->charcoalImage(0.0001,0.001);//$image->blurImage(5,5,imagick::CHANNEL_GREEN);echo $image;?>

chopImage ( int width,intwidth,intheight , int x,intx,inty )
参数说明：删除一定范围的图像区域
就不做参数说明，一看便知.

colorizeImage( mixed colorize,mixedcolorize,mixedopacity )混合填充颜色
colorize颜色colorize颜色opacit 透明度
例子:

<?php/* 胶卷底片效果 */ini_t('display_errors',1);header('Content-type: image/jpeg');$image = new Imagick('1.jpg');$image->negateImage(fal);$image->colorizeImage('#000',1.0);echo $image;?>

embossImage ( float radius,floatradius,floatsigma )
功能：返回一个灰度级3D图像不太好。
例子:

<?phpini_t('display_errors',1);header('Content-type: image/jpeg');$image = new Imagick('1.jpg');$image->embossImage(1,1);echo $image;?>

flipImage(void)
功能：创建图像倒影(垂直翻转)
例子:

<?phpini_t('display_errors',1);header('Content-type: image/jpeg');$image = new Imagick('1.jpg');$image->flipImage();echo $image;?>

flopImage ( void )
功能：图像水平横向翻转

<?phpini_t('display_errors',1);header('Content-type: image/jpeg');$image = new Imagick('1.jpg');$image->flopImage();echo $image;?>

frameImage(mixed mattecolor,intmattecolor,intwidth, int height,intheight,intinner_bevel, int outerbevel)功能：创建3D图像边框参数说明:outerbevel)功能：创建3D图像边框参数说明:matte_color:颜色
innerbevel:边框内部倾斜度innerbevel:边框内部倾斜度outer_bevel：外部边框倾斜度
例子：

<?phpini_t('display_errors',1);header('Content-type: image/jpeg');$image = new Imagick('1.jpg');$color=new ImagickPixel();$color->tColor("rgb(220,220,220)");$image->frameImage($color,11,11,1,10);echo $image;?>

注意事项:
width(宽度)不能小于width(宽度)不能小于inner_bevel(边框内部倾斜度)

Imagick::gammaImage (float gamma[,intgamma[,intchannel= Imagick::CHANNEL_ALL])
功能：调整图像灰度系数
参数说明：
float gamma:灰度系数值gamma:灰度系数值channel 默认为 Imagick::CHANNEL_ALL
Imagick::CHANNEL_ALL
例子 1:

<?phpini_t('display_errors',1);header('Content-type: image/jpeg');$image = new Imagick('1.jpg');$image->gammaImage(30);echo $image;?>

例子 2:

<?phpini_t('display_errors',1);header('Content-type: image/jpeg');$image = new Imagick('1.jpg');$image->gammaImage(30);echo $image;?>

gaussianBlurImage ( float radius,floatradius,floatsigma [, int channel=Imagick::CHANNELALL])功能：高斯模糊处理类似于photo的高斯模糊参数说明：floatchannel=Imagick::CHANNELALL])功能：高斯模糊处理类似于photo的高斯模糊参数说明：floatradius：高斯模糊的半径,像素,不包括中心象素。
float sigma：高斯的标准偏差,以像素为单位。我觉得这个参数最重要。intsigma：高斯的标准偏差,以像素为单位。我觉得这个参数最重要。intchannel ：图像颜色模式。

<?phpini_t('display_errors',1);header('Content-type: image/jpeg');$image = new Imagick('1.jpg');$image->gaussianBlurImage(30,3);echo $image;?>

levelImage ( float blackPoint,floatblackPoint,floatgamma , float whitePoint[,intwhitePoint[,intchannel= Imagick::CHANNEL_ALL ] )
功能：调整图像的色阶(Adjusts the levels of an image)
参数说明

<?phpini_t('display_errors',1);header('Content-type: image/jpeg');$image = new Imagick('1.jpg');$image->levelImage(4,4,4);echo $image;?>

例子2：

<?phpini_t('display_errors',1);header('Content-type: image/jpeg');$image = new Imagick('1.jpg');$image->levelImage(200,200,200,imagick::CHANNEL_GREEN);echo $image;?>

magnifyImage( void )
功能说明：简便的图像等比例放大2倍(Is a convenience method that scales an image proportionally to twice its original size. )
例子:

<?phpini_t('display_errors',1);header('Content-type: image/jpeg');$image = new Imagick('1.jpg');$image->magnifyImage ();echo $image;?>

medianFilterImage ( float $radius )
功能：特是的滤镜有点像photoshop 调色刀滤镜

<?phpini_t('display_errors',1);header('Content-type: image/jpeg');$image = new Imagick('1.jpg');$color=new ImagickPixel();$color->tColor("rgb(220,220,220)");$image->medianFilterImage(5);echo $image;?>

minifyImage(void)

功能：图小缩小一倍(Scales an image proportionally to half its size)
例子:

<?phpini_t('display_errors',1);header('Content-type: image/jpeg');$image = new Imagick('1.jpg');$image->minifyImage();echo $image;?>

modulateImage ( float brightness,floatbrightness,floatsaturation , float hue)功能：控制调整图像的亮度、饱和度、色调。参数说明：floathue)功能：控制调整图像的亮度、饱和度、色调。参数说明：floatbrightness：亮度
float saturation：饱和度floatsaturation：饱和度floathue 色调
例子1：

<?phpini_t('display_errors',1);header('Content-type: image/jpeg');$image = new Imagick('1.jpg');$image->modulateImage(100,1,100);echo $image;?>

例子2：

<?phpini_t('display_errors',1);header('Content-type: image/jpeg');$image = new Imagick('1.jpg');$image->modulateImage(250,1,250);echo $image;?>

motionBlurImagemotionBlurImage ( float radius,floatradius,floatsigma , float angle[,intangle[,intchannel= Imagick::CHANNEL_DEFAULT ] )
功能：模拟运动模糊(Simulates motion blur) ,类似photoshop的动感模糊滤镜功能
参数说明:
float radius:高斯半径,不包过中心像素。floatradius:高斯半径,不包过中心像素。floatsigma：标准偏差的高斯,以像素为单位。【重要参数】
float angle:模糊角度。intangle:模糊角度。intchannel：图像颜色模式。默认为 Imagick::CHANNEL_DEFAULT

例子1:<?phpini_t('display_errors',1);header('Content-type: image/jpeg');$image = new Imagick('1.jpg');$color=new ImagickPixel();$color->tColor("rgb(220,220,220)");$image->motionBlurImage (61,10,10);echo $image;?>

例子2:

<?phpini_t('display_errors',1);header('Content-type: image/jpeg');$image = new Imagick('1.jpg');$color=new ImagickPixel();$color->tColor("rgb(220,220,220)");$image->motionBlurImage (201,10,100);echo $image;?>

oilPaintImage ( float $radius )：
功能说明: 模拟油画滤镜（Simulates an oil painting）
例子:

<?phpini_t('display_errors',1);header('Content-type: image/jpeg');$image = new Imagick('1.jpg');$color=new ImagickPixel();$color->tColor("rgb(220,220,220)");$image->oilPaintImage(1);echo $image;?>

radialBlurImage ( float angle[,intangle[,intchannel= Imagick::CHANNEL_ALL ] )
功能：径向模糊(Radial blurs an image)

<?phpini_t('display_errors',1);header('Content-type: image/jpeg');$image = new Imagick('1.jpg');$color=new ImagickPixel();$color->tColor("rgb(220,220,220)");$image->radialBlurImage(30);echo $image;?>

raiImage ( int width,intwidth,intheight , int x,intx,inty , bool $rai )
功能说明:创建3D图像按钮(Creates a simulated 3d button-like effect)

<?phpini_t('display_errors',1);header('Content-type: image/jpeg');$image = new Imagick('1.jpg');$color=new ImagickPixel();$color->tColor("rgb(220,220,220)");$image->raiImage(10,10,3,5,6);echo $image;?>