Method Cairo.Context()->mask_surface()

Method mask_surface

void mask_surface(Surface surface, float|int surface_x, float|int surface_y)

Description

A drawing operator that paints the current source using the alpha channel of surface as a mask. (Opaque areas of surface are painted with the source, transparent areas are not painted.)

Parameter surface

a Surface

Parameter surface_x

X coordinate at which to place the origin of surface

Parameter surface_y

Y coordinate at which to place the origin of surface