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PHP中使用Imagick实现各种图片效果实例

偏置图像

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<?php  
ini_set('display_errors',1);  
header('Content-type: image/jpeg');  
$image = new Imagick('1.jpg');  
$image->rollImage(20,39);  
echo $image;  
?>

thumbnailImage($width,$height) 改变图片大小

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

addNoiseImage 添加干扰素

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Noise constants ( $noise_type 类型)  
imagick::NOISE_UNIFORM (integer)  
imagick::NOISE_GAUSSIAN (integer)  
imagick::NOISE_MULTIPLICATIVEGAUSSIAN (integer)  
imagick::NOISE_IMPULSE (integer)  
imagick::NOISE_LAPLACIAN (integer)  
imagick::NOISE_POISSON (integer)  
Channel constants ( $channel 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)  
<pre>
<pre lang="php">
<?php  
ini_set('display_errors',1);  
header('Content-type: image/jpeg');  
$image = new Imagick('1.jpg');  
$image->thumbnailImage(100,0);  
$image->addNoiseImage(imagick::NOISE_POISSON,imagick::CHANNEL_OPACITY);  
echo $image;  
?>

annotateImage 创建文本图像

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

blurImage 图像模糊度处理

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

borderImage 图片边框处理

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<?php  
ini_set('display_errors',1);  
header('Content-type: image/jpeg');  
$image = new Imagick('1.jpg');  
$color=new ImagickPixel();  
$color->setColor("rgb(220,220,220)");  
$image->borderImage($color,5,4);  
 
$image->blurImage(5,5,imagick::CHANNEL_GREEN);  
echo $image;  
?>

charcoalImage ( float $radius , float $sigma ) 图像素描处理
参数说明:

$radius :越小越薄。

$sigma: 越大 墨越深 反之。

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

borderImage 图片边框处理

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<?php  
ini_set('display_errors',1);  
header('Content-type: image/jpeg');  
$image = new Imagick('1.jpg');  
$color=new ImagickPixel();  
$color->setColor("rgb(220,220,220)");  
$image->borderImage($color,5,4);  
 
$image->blurImage(5,5,imagick::CHANNEL_GREEN);  
echo $image;  
?>

colorizeImage( mixed $colorize , mixed $opacity )混合填充颜色
$colorize 颜色

$opacit 透明度

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

embossImage 返回一个灰度级3D图像

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

flipImage 创建图像倒影(垂直翻转)

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

flopImage 图像水平横向翻转

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

frameImage(mixed $matte_color,int $width, int $height,int $inner_bevel, int $outer_bevel) 创建3D图像边框
参数说明:

$matte_color:颜色

$inner_bevel:边框内部倾斜度

$outer_bevel:外部边框倾斜度

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

注意事项:

$width(宽度)不能小于$inner_bevel(边框内部倾斜度)

Imagick::gammaImage (float $gamma [,int $channel= Imagick::CHANNEL_ALL])调整图像灰度系数

参数说明:

float $gamma :灰度系数值
$channel 默认为 Imagick::CHANNEL_ALL

Imagick::CHANNEL_ALL

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

gaussianBlurImage ( float $radius , float $sigma [, int $channel= Imagick::CHANNEL_ALL ] ) 高斯模糊处理 类似于photo的高斯模糊
参数说明:

float $radius: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。

int $channel :图像颜色模式。

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

levelImage 调整图像的色阶

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<?php  
ini_set('display_errors',1);  
header('Content-type: image/jpeg');  
$image = new Imagick('1.jpg');  
$image->levelImage(4,4,4);  
echo $image;  
?>
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<?php  
<?php  
ini_set('display_errors',1);  
header('Content-type: image/jpeg');  
$image = new Imagick('1.jpg');  
$image->levelImage(200,200,200,imagick::CHANNEL_GREEN);  
echo $image;  
?>

magnifyImage 简便的图像等比例放大2倍

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

minifyImage 简便的图像等比例缩小一倍

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

medianFilterImage 有点像photoshop 调色刀滤镜

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

modulateImage ( float $brightness , float $saturation , float $hue ) 控制调整图像的 亮度、饱和度、色调
参数说明:

float $brightness: 亮度

float $saturation :饱和度

float $hue 色调

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<?php  
ini_set('display_errors',1);  
header('Content-type: image/jpeg');  
$image = new Imagick('1.jpg');  
$image->modulateImage(100,1,100);  
echo $image;  
?>
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<?php  
ini_set('display_errors',1);  
header('Content-type: image/jpeg');  
$image = new Imagick('1.jpg');  
$image->modulateImage(250,1,250);  
echo $image;  
?>

motionBlurImagemotionBlurImage ( float $radius , float $sigma , float $angle [, int $channel= Imagick::CHANNEL_DEFAULT ] ) 模拟运动模糊
参数说明:

float $radius: 高斯 半径,不包过中心像素。

float $sigma:标准偏差的高斯,以像素为单位。【重要参数】

float $angle:模糊角度。

int $channel:图像颜色模式。默认为 Imagick::CHANNEL_DEFAULT

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<?php  
ini_set('display_errors',1);  
header('Content-type: image/jpeg');  
$image = new Imagick('1.jpg');  
$color=new ImagickPixel();  
$color->setColor("rgb(220,220,220)");  
$image->motionBlurImage (61,10,10);  
echo $image;  
?>
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<?php  
ini_set('display_errors',1);  
header('Content-type: image/jpeg');  
$image = new Imagick('1.jpg');  
$color=new ImagickPixel();  
$color->setColor("rgb(220,220,220)");  
$image->motionBlurImage (201,10,100);  
echo $image;  
?>

oilPaintImage 模拟油画滤镜

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

radialBlurImage 径向模糊

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

raiseImage 创建3D图像按钮

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

处理图片水印

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<?php  
//获取水印图片  
$logo = new Imagick("logo.png");  
$logo->setImageResolution(0.01,0.03);  
 
//创建一个Imagick对象,同时获取要处理的源图  
$im = new Imagick( "old_large_img_2.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($srcWH['width']>710){  
$srcW['width'] = 710;  
$srcH['height'] = $srcW['width']/$srcWH['width']*$srcWH['height'];  
}else{  
$srcW['width'] = $srcWH['width'];  
$srcH['height'] = $srcWH['height'];  
}  
 
//按照比例进行缩放  
$im->thumbnailImage( $srcW['width'], $srcH['height'], true );  
 
// 按照缩略图大小创建一个有颜色的图片  
$canvas = new Imagick();  
$canvas->newImage( $srcW['width'], $srcH['height'], 'black', 'jpg' ); //pink,black  
 
//添加水印  
$im->compositeImage($logo,Imagick::COMPOSITE_OVER,$srcW['width']-280,$srcH['height']-77);  
$canvas->setcompressionquality(91);  
//合并图片  
$canvas->compositeImage( $im, imagick::COMPOSITE_OVER, 0, 0);  
 
//输出图片  
header( "Content-Type: image/jpg" );  
echo $canvas;    
 
//生成图片  
$canvas->writeImage( "test_img/1.jpg" );  
?>
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