From 8b9963e7efdad6ca35cdede07a6ad1fd25c19e74 Mon Sep 17 00:00:00 2001
From: Chris Young <chris@unsatisfactorysoftware.co.uk>
Date: Sat, 12 Oct 2013 15:43:52 +0100
Subject: Use picture.datatype's PromoteMask function so we get an alpha
 channel for non-alpha bitmaps loaded through datatypes.library

---
 amiga/bitmap.c     | 1 +
 amiga/dt_picture.c | 1 +
 2 files changed, 2 insertions(+)

(limited to 'amiga')

diff --git a/amiga/bitmap.c b/amiga/bitmap.c
index 05f5a8bd4..c07f45c67 100644
--- a/amiga/bitmap.c
+++ b/amiga/bitmap.c
@@ -356,6 +356,7 @@ struct bitmap *ami_bitmap_from_datatype(char *filename)
 	if(dto = NewDTObject(filename,
 					DTA_GroupID, GID_PICTURE,
 					PDTA_DestMode, PMODE_V43,
+					PDTA_PromoteMask, TRUE,
 					TAG_DONE))
 	{
 		struct BitMapHeader *bmh;
diff --git a/amiga/dt_picture.c b/amiga/dt_picture.c
index 2b612bfcf..211d2215a 100644
--- a/amiga/dt_picture.c
+++ b/amiga/dt_picture.c
@@ -138,6 +138,7 @@ Object *amiga_dt_picture_newdtobject(struct amiga_dt_picture_content *adt)
 					DTA_SourceSize, size,
 					DTA_GroupID, GID_PICTURE,
 					PDTA_DestMode, PMODE_V43,
+					PDTA_PromoteMask, TRUE,
 					TAG_DONE);
 	}
 
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