(PECL gmagick >= Unknown)
Gmagick::shearimage — Creating a parallelogram
Slides one edge of an image along the X or Y axis, creating a parallelogram. An X direction shear slides an edge along the X axis, while a Y direction shear slides an edge along the Y axis. The amount of the shear is controlled by a shear angle. For X direction shears, x_shear is measured relative to the Y axis, and similarly, for Y direction shears y_shear is measured relative to the X axis. Empty triangles left over from shearing the image are filled with the background color.
colorThe background pixel wand.
xShearThe number of degrees to shear the image.
yShearThe number of degrees to shear the image.
The Gmagick object on success
错误时抛出 GmagickException。