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.) Since 1.0
a cairo_surface_t
X coordinate at which to place the origin of surface
Y coordinate at which to place the origin of surface
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.) Since 1.0