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Imagick::liquidRescaleImage

(PECL imagick 2 >= 2.2.0, PECL imagick 3)

Imagick::liquidRescaleImageAnimates an image or images

Beschreibung

public Imagick::liquidRescaleImage(
    int $width,
    int $height,
    float $delta_x,
    float $rigidity
): bool

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.

Siehe auch

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User Contributed Notes 1 note

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spider at man dot net
12 years ago
<?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;

?>
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