From 507cfe93139f94306d2ac4c0655ff8597c2368fd Mon Sep 17 00:00:00 2001 From: Chris Young Date: Tue, 23 Jun 2009 21:29:44 +0000 Subject: Rendering tab in options all done, new option to improve the scale quality (bilinear filtering). This needs to be tested on 4.0 as I'm not sure if bilinear is valid there, might need to be BSAF_AVERAGE. svn path=/trunk/netsurf/; revision=7939 --- amiga/bitmap.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'amiga/bitmap.c') diff --git a/amiga/bitmap.c b/amiga/bitmap.c index 31b9f11e3..5e9c16e03 100644 --- a/amiga/bitmap.c +++ b/amiga/bitmap.c @@ -359,12 +359,15 @@ struct BitMap *ami_getcachenativebm(struct bitmap *bitmap,int width,int height,s if(GfxBase->lib_Version >= 53) // AutoDoc says v52, but this function isn't in OS4.0, so checking for v53 (OS4.1) { uint32 comptype = COMPOSITE_Src; + uint32 flags = COMPFLAG_IgnoreDestAlpha; + if(!bitmap->opaque) comptype = COMPOSITE_Src_Over_Dest; + if(option_scale_quality) flags |= COMPFLAG_SrcFilter; CompositeTags(comptype,tbm,scaledbm, COMPTAG_ScaleX,COMP_FLOAT_TO_FIX(width/bitmap->width), COMPTAG_ScaleY,COMP_FLOAT_TO_FIX(height/bitmap->height), - COMPTAG_Flags,COMPFLAG_IgnoreDestAlpha, + COMPTAG_Flags, flags, COMPTAG_DestX,0, COMPTAG_DestY,0, COMPTAG_DestWidth,width, @@ -392,6 +395,7 @@ struct BitMap *ami_getcachenativebm(struct bitmap *bitmap,int width,int height,s bsa.bsa_SrcBitMap = tbm; bsa.bsa_DestBitMap = scaledbm; bsa.bsa_Flags = 0; + if(option_scale_quality) bsa.bsa_Flags = BSAF_BILINEAR; BitMapScale(&bsa); } -- cgit v1.2.3