A slight note since this is not immediately obvious:
Just as the C CropImage() function, you can specify all zero parameters to get an "autocrop" effect, meaning it will remove all single-color "edges" of an image.
(PECL gmagick >= Unknown)
Gmagick::cropimage — Extracts a region of the image
Extracts a region of the image.
width
The width of the crop.
height
The height of the crop.
xThe X coordinate of the cropped region's top left corner.
yThe Y coordinate of the cropped region's top left corner.
The cropped Gmagick object.
错误时抛出 GmagickException。
A slight note since this is not immediately obvious:
Just as the C CropImage() function, you can specify all zero parameters to get an "autocrop" effect, meaning it will remove all single-color "edges" of an image.