Imagick::appendImages

(PECL imagick 2, PECL imagick 3)

Imagick::appendImages — Append a set of images

说明

public Imagick::appendImages(bool $stack): Imagick

Append a set of images into one larger image.

参数

stack: Whether to stack the images vertically. By default (or if false is specified) images are stacked left-to-right. If stack is true, images are stacked top-to-bottom.

返回值

Returns Imagick instance on success.

错误／异常

错误时抛出 ImagickException。

范例

示例 #1 Imagick::appendImages() example


<?php

/* Create new imagick object */
$im = new Imagick();

/* create red, green and blue images */
$im->newImage(100, 50, "red");
$im->newImage(100, 50, "green");
$im->newImage(100, 50, "blue");

/* Append the images into one */
$im->resetIterator();
$combined = $im->appendImages(true);

/* Output the image */
$combined->setImageFormat("png");
header("Content-Type: image/png");
echo $combined;
?>

以上例程的输出类似于：

Output of example : Imagick::appendImages()

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User Contributed Notes 3 notes

down

Brandon ¶

12 years ago


# How to combine a multi-page pdf file into a single long image:


<?php

$im1 = new Imagick();   

$im1->readImage('multi-page-pdf.pdf');

$im1->resetIterator();

# Combine multiple images into one, stacked vertically. 

$ima = $im1->appendImages(true);

$ima->setImageFormat("png");

header("Content-Type: image/png");

echo $ima;

?>

down

adao at adao dot eti dot br ¶

7 years ago


# change $ima to $ima->getimagesblob()

<?php
$im1 = new Imagick();  
$im1->readImage('multi-page-pdf.pdf');
$im1->resetIterator();
# Combine multiple images into one, stacked vertically.
$ima = $im1->appendImages(true);
$ima->setImageFormat("png");
header("Content-Type: image/png");
echo $ima->getimagesblob();
?>

down

-1

Anonymous ¶

8 years ago


Sometimes when running this code on a long running apache24 instance on a server with minimal memory the final "echo $ima;" returns an empty string.

Doing an "apache graceful" seems to clear this up.  There appears to be no other way to correct OR DETECT this problem. Suckky.

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官方地址：https://www.php.net/manual/en/imagick.appendimages.php

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PHP官方手册 - 互联网笔记

Imagick::appendImages

说明

参数

返回值

错误／异常

范例

User Contributed Notes 3 notes