Imagick::rollImage
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();
?>
Imagick::rotateImage
(PECL imagick 2.0.0)
Imagick::rotateImage — Rotates an image
Descrição
Rotates an image the specified number of degrees. Empty triangles left over from rotating the image are filled with the background color.
Parâmetros
- background
-
The background color
- degrees
-
The number of degrees to rotate the image
Valor Retornado
Retorna TRUE em sucesso.
Histórico
| Versão | Descrição |
|---|---|
| 2.1.0 | Now allows a string representing the color as the first parameter. Previous versions allow only an ImagickPixel object. |
User Contributed Notes
Imagick::rotateImage
Imagick::rotateImage
Baptiste VALTHIER
29-Mar-2011 06:05
29-Mar-2011 06:05
wjsams at gmail dot com
23-Nov-2008 03:49
23-Nov-2008 03:49
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();
?>