Imagick::liquidRescaleImage
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Imagick::liquidRescaleImage — Animates an image or images
说明
Imagick::liquidRescaleImage
( int
$width
, int $height
, float $delta_x
, float $rigidity
) : boolThis 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. 此方法在Imagick基于ImageMagick 6.3.9以上版本编译时可用。
参数
-
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.
返回值
成功时返回 TRUE。