<?php
//获取水印图片
$logo = new Imagick("hacktea8.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( "www/hacktea8/com.jpg" );
//获取源图片宽和高
$srcWH = $im->getImageGeometry();
//图片等比例缩放宽和高设置
if($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/old_large_img_2_96.jpg" );
?>
imagick是一个功能强大的图像处理库。
strong>
偏置图像:
例子:
<?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
例子:<?php
ini_set('display_errors',1);
header('Content-type: image/jpeg');
$image = new Imagick('1.jpg');
$image->thumbnailImage(100,0);
echo $image;
?>
addNoiseImage(int $noise_type [, int $channel= Imagick::CHANNEL_ALL ]);
功能:
Adds random noise to the image
添加干扰素
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)
例子:<?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
例子:<?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(float $radius , float $sigma [, 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
ini_set('display_errors',1);
header('Content-type: image/jpeg');
$image = new Imagick('1.jpg');
$image->blurImage(5,3);
echo $image;
?>
borderImage ( mixed $bordercolor , int $width , int $height ) 图片边框处理
例子:<?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。
例子:<?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;
?>
chopImage ( int $width , int $height , int $x , int $y )
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 , mixed $opacity )混合填充颜色
$colorize 颜色
$opacit 透明度
例子:<?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 ( float $radius , float $sigma )
功能: 返回一个灰度级3D图像 不太好。
例子:<?php
ini_set('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:<?php
ini_set('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<?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)
功能: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
例子:<?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])
功能: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
例子 1:<?php
ini_set('display_errors',1);
header('Content-type: image/jpeg');
$image = new Imagick('1.jpg');
$image->gammaImage(30);
echo $image;
?>
例子 2:<?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 ] )
功能: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。<?php
ini_set('display_errors',1);
header('Content-type: image/jpeg');
$image = new Imagick('1.jpg');
$image->gaussianBlurImage(30,3);
echo $image;
?>
levelImage ( float $blackPoint , float $gamma , float $whitePoint [, int $channel= Imagick::CHANNEL_ALL ] )
功能: 调整图像的色阶(Adjusts the levels of an image)
参数说明
<?php
ini_set('display_errors',1);
header('Content-type: image/jpeg');
$image = new Imagick('1.jpg');
$image->levelImage(4,4,4);
echo $image;
?>
例子2:
<?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( 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:<?php
ini_set('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<?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;
?>
minifyImage(void)
功能:图小缩小一倍(Scales an image proportionally to half its size)
例子:<?php
ini_set('display_errors',1);
header('Content-type: image/jpeg');
$image = new Imagick('1.jpg');
$image->minifyImage();
echo $image;
?>
modulateImage ( float $brightness , float $saturation , float $hue )
功能: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
例子1:<?php
ini_set('display_errors',1);
header('Content-type: image/jpeg');
$image = new Imagick('1.jpg');
$image->modulateImage(100,1,100);
echo $image;
?>
例子2:<?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 ] )
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。
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
例子1:<?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;
?>
例子2:
<?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 ( float $radius ):
功能说明: 模拟油画滤镜(Simulates an oil painting)
例子:<?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 ( float $angle [, int $channel= Imagick::CHANNEL_ALL ] )
功能: 径向模糊(Radial blurs an image)<?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 ( int $width , int $height , int $x , int $y , bool $raise )
功能说明:创建3D图像按钮(Creates a simulated 3d button-like effect)<?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;
?>
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