src/hg/hgc/hgc.c 1.1566

1.1566 2009/08/19 23:00:17 angie
Added option to mgSaveToGif and its call stack, to use GIF's Graphic Control Extension to make memgfx's background color (0) transparent. Also corrected terminology for PNG in .h files: useAlpha -> useTransparency.

Index: src/hg/hgc/hgc.c
===================================================================
RCS file: /projects/compbio/cvsroot/kent/src/hg/hgc/hgc.c,v
retrieving revision 1.1565
retrieving revision 1.1566
diff -b -B -U 4 -r1.1565 -r1.1566
--- src/hg/hgc/hgc.c	5 Aug 2009 22:58:07 -0000	1.1565
+++ src/hg/hgc/hgc.c	19 Aug 2009 23:00:17 -0000	1.1566
@@ -17341,9 +17341,9 @@
 lineHeight = 2 * fontHeight +1;
 altGraphXLayout(ag, ag->tStart, ag->tEnd, scale, 100, &ssList, &heightHash, &rowCount);
 pixHeight = rowCount * lineHeight;
 trashDirFile(&gifTn, "hgc", "hgc", ".gif");
-hvg = hvGfxOpenGif(pixWidth, pixHeight, gifTn.forCgi);
+hvg = hvGfxOpenGif(pixWidth, pixHeight, gifTn.forCgi, FALSE);
 makeGrayShades(hvg);
 hvGfxSetClip(hvg, 0, 0, pixWidth, pixHeight);
 altGraphXDrawPack(ag, ssList, hvg, 0, 0, pixWidth, lineHeight, lineHeight-1,
 		  ag->tStart, ag->tEnd, scale, font, MG_BLACK, shadesOfGray, "Dummy", NULL);