gdk_pixbuf_new_from_file preferred 1 Write const-guchar* array 1 gdk_pixmap_new GdkWindow* null_ok 1 parent GdkDrawable RenderThresholdAlpha RenderToDrawable RenderToDrawableAlpha RenderPixmapAndMaskForColormap RenderPixmapAndMask GetFromDrawable GetFromImage library gdk-x11-2.0 GetPointer gint* pass_as out GetPointer GdkModifierType* pass_as out