func (self *Surface) WriteToPNG(filename string) Status {
cs := C.CString(filename)
defer C.free(unsafe.Pointer(cs))
return Status(C.cairo_surface_write_to_png(self.surface, cs))
}
func (v *Surface) WriteToPng(filename string) error {
cstr := C.CString(filename)
defer C.free(unsafe.Pointer(cstr))
status := C.cairo_surface_write_to_png(v.native(), cstr)
if status != C.CAIRO_STATUS_SUCCESS {
return errors.New("error writing to PNG file")
}
return nil
}
func (self *Surface) WriteToPNG(filename string) {
p := C.CString(filename)
C.cairo_surface_write_to_png(self.surface, p)
C.free(unsafe.Pointer(p))
}
// Write an image to PNG
func (i *Image) WritePNG(file string) {
C.cairo_surface_write_to_png(i.Surf, C.CString(file))
}