Method
GskTransformperspective
Declaration [src]
GskTransform*
gsk_transform_perspective (
GskTransform* next,
float depth
)
Description [src]
Applies a perspective projection transform.
This transform scales points in X and Y based on their Z value, scaling points with positive Z values away from the origin, and those with negative Z values towards the origin. Points on the z=0 plane are unchanged.
This function consumes next
. Use gsk_transform_ref()
first
if you want to keep it around.
Parameters
next

Type:
GskTransform
The next transform.
The argument can be NULL
.The instance takes ownership of the data, and is responsible for freeing it. depth

Type:
float
Distance of the z=0 plane. Lower values give a more flattened pyramid and therefore a more pronounced perspective effect.
Return value
Type: GskTransform
The new transform.
The caller of the method takes ownership of the returned data, and is responsible for freeing it. 