Gmagick::trimimage

(PECL gmagick >= Unknown)

Gmagick::trimimage — Remove edges from the image

说明

public Gmagick::trimimage(float $fuzz): Gmagick

Remove edges that are the background color from the image.

参数

fuzz: By default target must match a particular pixel color exactly. However, in many cases two colors may differ by a small amount. The fuzz member of image defines how much tolerance is acceptable to consider two colors as the same. This parameter represents the variation on the quantum range.

返回值

The Gmagick object.

错误／异常

错误时抛出 GmagickException。

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Anonymous ¶

12 days ago

To trim image with 15% of fuzziness <?php$image = new Gmagick($image_path);$max_quantum = 65535;switch ($image->getQuantumDepth()['quantumDepthLong']) {    case  8: $max_quantum = 255; break;    case 16: $max_quantum = 65535; break;    case 32: $max_quantum = 4294967295; break;}$image->trimImage(0.15 * $max_quantum);