c8cca307cadefdd6245ab8d1784478c95a717c88
kate
  Tue Sep 11 18:30:02 2018 -0700
First steps toward multi-region link on details page. refs #21917

diff --git src/hg/inc/hvGfx.h src/hg/inc/hvGfx.h
index 1d95f4d..c13a9f6 100644
--- src/hg/inc/hvGfx.h
+++ src/hg/inc/hvGfx.h
@@ -233,31 +233,32 @@
 if (hvg->rc)
     hvGfxRevPoly(hvg, poly);
 vgDrawPoly(hvg->vg, poly, color, filled);
 if (hvg->rc)
     hvGfxRevPoly(hvg, poly);  // restore
 }
 
 INLINE void hvGfxEllipseDraw(struct hvGfx *hvg, int x1, int y1, int x2, int y2, Color color, 
                                 int mode, boolean isDashed)
 /* Draw an ellipse (or limit to top or bottom) specified by rectangle.
  * Optionally, alternate dots.
  * Point 0 is left, point 1 is top of rectangle.
  */
 {
 x1 = hvGfxAdjXX(hvg, x1, &x2, &y1, &y2);
-vgEllipse(hvg->vg, x1, y1, x2, y2, color, mode, isDashed);
+// NOTE: dashed mode may cause a hang, so disabling for now
+vgEllipse(hvg->vg, x1, y1, x2, y2, color, mode, FALSE);
 }
 
 INLINE int hvGfxCurve(struct hvGfx *hvg, int x1, int y1, int x2, int y2, int x3, int y3,
                                 Color color, boolean isDashed)
 /* Draw a segment of an anti-aliased curve within 3 points (quadratic Bezier)
  * Return max y value. Optionally draw curve as dashed line.
  * Adapted trivially from code posted at http://members.chello.at/~easyfilter/bresenham.html
  * Author: Zingl Alois, 8/22/2016 */
 {
 x1 = hvGfxAdjXX(hvg, x1, &x2, &y1, &y2);
 return vgCurve(hvg->vg, x1, y1, x2, y2, x3, y3, color, isDashed);
 }
 
 INLINE int hvGfxFindColorIx(struct hvGfx *hvg, int r, int g, int b)
 /* Find color in map if possible, otherwise create new color or