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Imagick::liquidRescaleImage — Animates an image or images
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. このメソッドは、ImageMagick バージョン 6.3.9 以降で Imagick をコンパイルした場合に使用可能です。
The width of the target size
The height of the target size
How much the seam can traverse on x-axis. Passing 0 causes the seams to be straight.
Introduces a bias for non-straight seams. This parameter is typically 0.
成功した場合に TRUE を返します。