Fix T49815: Blender always reverts to RGBA when using Save As Image.

`BKE_imformat_defaults()` was doing some weird black magic based on
imbuf's channels, instead of merely copying imbuf's planes here...

1 files changed, 1 insertions, 18 deletions

diff --git a/source/blender/blenkernel/intern/image.c b/source/blender/blenkernel/intern/image.c
index a4eef2f9230..df3a7630bb0 100644
--- a/source/blender/blenkernel/intern/image.c
+++ b/source/blender/blenkernel/intern/image.c
@@ -1580,24 +1580,7 @@ void BKE_imbuf_to_image_format(struct ImageFormatData *im_format, const ImBuf *i
 	}
 
 	/* planes */
-	/* TODO(sergey): Channels doesn't correspond actual planes used for image buffer
-	 *               For example byte buffer will have 4 channels but it might easily
-	 *               be BW or RGB image.
-	 *
-	 *               Need to use im_format->planes = imbuf->planes instead?
-	 */
-	switch (imbuf->channels) {
-		case 0:
-		case 4: im_format->planes = R_IMF_PLANES_RGBA;
-			break;
-		case 3: im_format->planes = R_IMF_PLANES_RGB;
-			break;
-		case 1: im_format->planes = R_IMF_PLANES_BW;
-			break;
-		default: im_format->planes = R_IMF_PLANES_RGB;
-			break;
-	}
-
+	im_format->planes = imbuf->planes;
 }