GdkPixbuf
by scaling src
to dest.width
x
dest.height
and compositing the result with a checkboard of colors
color1
and color2
.gdkPixbufCompositeColorSimple(object, dest.width, dest.height, interp.type, overall.alpha, check.size, color1, color2)
object
dest.width
dest.height
interp.type
overall.alpha
check.size
color1
color2