Imagick::rotateImage

(PECL imagick 2.0.0)

Imagick::rotateImageRotates an image

Beschreibung

bool Imagick::rotateImage ( mixed $background , float $degrees )

Rotates an image the specified number of degrees. Empty triangles left over from rotating the image are filled with the background color.

Parameter-Liste

background

The background color

degrees

Rotation angle, in degrees. The rotation angle is interpreted as the number of degrees to rotate the image clockwise.

R├╝ckgabewerte

Liefert TRUE bei Erfolg.

Changelog

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

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User Contributed Notes 3 notes

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1
AlexG
2 years ago
Transparent

<?php $im->rotateImage(new ImagickPixel('#00000000'), 75); ?>
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0
Baptiste VALTHIER
3 years ago
You can rotate an jpg image by -13.55┬░ into a transparent png image with :

<?php
$imagick
= new Imagick();
$imagick->readImage('my.jpg');
$imagick->rotateImage(new ImagickPixel('none'), -13.55);
$imagick->writeImage('my_rotated.png');
$imagick->clear();
$imagick->destroy();
?>
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0
wjsams at gmail dot com
6 years ago
If you want to rotate an image by a certain degree you can do this:

<?php
header
('content-type: image/jpeg');
$imagick = new Imagick();
$imagick->readImage('castle.jpg');
$imagick->rotateImage(new ImagickPixel(), 90);
print
$imagick->getImage();
?>
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