update : 2015.11.03
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Composite one image onto another
Imagick
PHP Manual

Imagick::compositeImage

(PECL imagick 2.0.0)

Imagick::compositeImage — Composite one image onto another

설명

bool Imagick::compositeImage ( Imagick $composite_object , int $composite , int $x , int $y [, int $channel = Imagick::CHANNEL_ALL ] )

Composite one image onto another at the specified offset. Any extra arguments needed for the compose algorithm should passed to setImageArtifact with 'compose:args' as the first parameter and the data as the second parameter.

인수

composite_object

Imagick object which holds the composite image

compose

Composite operator. See Composite Operator Constants

x

The column offset of the composited image

y

The row offset of the composited image

channel

Provide any channel constant that is valid for your channel mode. To apply to more than one channel, combine channeltype constants using bitwise operators. Refer to this list of channel constants.

반환값

성공시에 TRUE를 반환합니다.

예제

Example #1 Using Imagick::compositeImage():

Composite two images with the 'mathematics' compose method

<?php

// Equivalent to running the command
// convert src1.png src2.png -compose mathematics -define compose:args="1,0,-0.5,0.5" -composite output.png

$src1 = new \Imagick("./src1.png");
$src2 = new \Imagick("./src2.png");

$src1->setImageVirtualPixelMethod(Imagick::VIRTUALPIXELMETHOD_TRANSPARENT);
$src1->setImageArtifact('compose:args', "1,0,-0.5,0.5");
$src1->compositeImage($src2, Imagick::COMPOSITE_MATHEMATICS, 0, 0);
$src1->writeImage("./output.png");

?>

참고

Imagick
PHP Manual