International PHP Conference 2015

Imagick::newImage

(PECL imagick 2.0.0)

Imagick::newImageCreates a new image

Descrierea

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

Creates a new image and associates ImagickPixel value as background color

Parametri

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.

Valorile întoarse

Întoarce TRUE în caz de succes.

Erori/Excepții

Emite ImagickException în caz de eroare.

Istoricul schimbărilor

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

Exemple

Example #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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