webpload: ensure first frame is not blended

2020-12-04 11:50:58 +00:00 · 2020-12-04 11:50:58 +00:00 · f9dc3177c7
parent 1f71c7ae07
commit f9dc3177c7
1 changed files with 1 additions and 0 deletions
--- a/libvips/foreign/webp2vips.c
+++ b/libvips/foreign/webp2vips.c
@ -692,6 +692,7 @@ read_next_frame( Read *read )
 	 */
 	vips_image_paint_image( read->frame, frame, 
 		area.left, area.top, 
+		read->iter.frame_num > 1 &&
 		read->iter.blend_method == WEBP_MUX_BLEND );

 	g_object_unref( frame );