php教程

Imagick::addImage

(PECL imagick 2.0.0)

Imagick::addImageAdds new image to Imagick object image list

说明

Imagick::addImage ( Imagick $source ) : bool

Adds new image to Imagick object from the current position of the source object. After the operation iterator position is moved at the end of the list.

参数

source

The source Imagick object

返回值

成功时返回 TRUE

错误/异常

错误时抛出 ImagickException。

User Contributed Notes

bernie at dakotanetwork dot com 29-Nov-2011 03:42
create a favicon.ico with multiple resolutions

<?php

$src_img
= new Imagick("src_img.png");
$icon = new Imagick();
$icon->setFormat("ico");

$geo=$src_img->getImageGeometry();

$size_w=$geo['width'];
$size_h=$geo['height'];

if (
128/$size_w*$size_h>128) {
 
$src_img->scaleImage(128,0);
} else {
 
$src_img->scaleImage(0,128);
}

$src_img->cropImage(128, 128, 0, 0);

$clone = $src_img->clone();
$clone->scaleImage(16,0);           
$icon->addImage($clone);

$clone = $src_img->clone();
$clone->scaleImage(32,0);           
$icon->addImage($clone);

$clone = $src_img->clone();
$clone->scaleImage(64,0);           
$icon->addImage($clone);

$clone = $src_img->clone();
$clone->scaleImage(128,0);   
$icon->addImage($clone);

$icon->writeImages("favicon.ico", true);

$src_img->destroy();
$icon->destroy();
$clone->destroy();

?>

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