Imagick::linearStretchImage
<?php
/* Create new object */
$im = new Imagick( 'test.jpg' );
/* Scale down */
$im->liquidRescaleImage( 500, 200, 3, 25 );
/* Display */
header( 'Content-Type: image/jpg' );
echo $im;
?>
Imagick::liquidRescaleImage
(No version information available, might only be in SVN)
Imagick::liquidRescaleImage — Animates an image or images
Beschreibung
bool Imagick::liquidRescaleImage
( int
$width
, int $height
, float $delta_x
, float $rigidity
)This method scales the images using liquid rescaling method. This method is an implementation of a technique called seam carving. In order for this method to work as expected ImageMagick must be compiled with liblqr support. Diese Funktion ist verfügbar, wenn Imagick gegen die ImageMagick-Version 6.3.9 oder höher kompiliert wurde.
Parameter-Liste
-
width -
The width of the target size
-
height -
The height of the target size
-
delta_x -
How much the seam can traverse on x-axis. Passing 0 causes the seams to be straight.
-
rigidity -
Introduces a bias for non-straight seams. This parameter is typically 0.
Rückgabewerte
Liefert TRUE bei Erfolg.
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User Contributed Notes
Imagick::liquidRescaleImage
spider at man dot net
20-Nov-2011 11:00