dc9e7527ce8516efbb098a4f0f8702d49986677b
kate
  Thu Jul 16 09:44:16 2015 -0700
Removing obsolete 8-bit color support. refs #15722

diff --git src/hg/hgTracks/wigTrack.c src/hg/hgTracks/wigTrack.c
index ce38aad..dbdfa5c 100644
--- src/hg/hgTracks/wigTrack.c
+++ src/hg/hgTracks/wigTrack.c
@@ -792,33 +792,30 @@
     }
 
 return colorArray;
 }
 
 void vLineViaHvg(void *image, int x, int y, int height, Color color)
 /* A vertical line drawer that works via hvGfx system. */
 {
 hvGfxBox(image, x, y, 1, height, color);
 }
 
 Color somewhatLighterColor32(Color color)
 /* Get a somewhat lighter shade of a color - 1/3 of the way towards white. 
  * Specialized here to bypass image parameter requirement.*/
 {
-#ifndef COLOR32
-#error COLOR32 must be defined these days, transparency depends on it.
-#endif /* COLOR32 */
 struct rgbColor rgbColor =  mgColorIxToRgb(NULL, color);
 rgbColor.r = (2*rgbColor.r+255)/3;
 rgbColor.g = (2*rgbColor.g+255)/3;
 rgbColor.b = (2*rgbColor.b+255)/3;
 return MAKECOLOR_32(rgbColor.r, rgbColor.g, rgbColor.b);
 }
 
 struct wigGraphOutput *wigGraphOutputStack(int xOff, int yOff,  int width, int numTracks, struct hvGfx *image)
 /* Get appropriate wigGraphOutput for non-transparent stacked rendering */
 {
 struct wigGraphOutput *wgo;
 AllocVar(wgo);
 wgo->image = image;
 wgo->vLine = vLineViaHvg;
 wgo->xOff = xOff;