International PHP Conference 2015

Imagick::newImage

(PECL imagick 2.0.0)

Imagick::newImageCreates a new image

Beschreibung

bool Imagick::newImage ( int $cols , int $rows , mixed $background [, string $format ] )

Creates a new image and associates ImagickPixel value as background color

Parameter-Liste

cols

Columns in the new image

rows

Rows in the new image

background

The background color used for this image

format

Image format. This parameter was added in Imagick version 2.0.1.

R├╝ckgabewerte

Liefert TRUE bei Erfolg.

Fehler/Exceptions

Wirft ImagickException bei Fehlern.

Changelog

Version Beschreibung
2.1.0 Now allows a string representing the color as the third parameter. Previous versions allow only an ImagickPixel object.

Beispiele

Beispiel #1 Using Imagick::newImage():

Create a new image and display it.

<?php

$image 
= new Imagick();
$image->newImage(100100, new ImagickPixel('red'));
$image->setImageFormat('png');

header('Content-type: image/png');
echo 
$image;

?>

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User Contributed Notes 2 notes

up
14
christian dot reinecke at web dot de
6 years ago
The color value (3rd argument) for transparency is "none".
up
1
jfalner1 at gmail dot com
4 months ago
As it isn't obvious, the cols and rows arguments correspond to the width and height of the new image, expressed in pixels.  Example #1 would generate a 100 pixel by 100 pixel image.
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