3032095fbd5dafc5cc96d4ba375e215c9a7bd745
kate
  Tue Jan 30 16:27:15 2018 -0800
Change dotted lines to dashed for better visibility. Suggestion by JK. refs #17512

diff --git src/hg/inc/hvGfx.h src/hg/inc/hvGfx.h
index b5cbdfd..92c9fe9 100644
--- src/hg/inc/hvGfx.h
+++ src/hg/inc/hvGfx.h
@@ -321,19 +321,19 @@
 
 void hvGfxEllipse(struct hvGfx *hvg, int x0, int y0, int x1, int y1, Color color);
 /* Draw an ellipse using Bresenham algorithm.
  * Point 0 is left, point 1 is top
  * Adapted trivially from code posted at http://members.chello.at/~easyfilter/bresenham.html
  */
 
 void hvGfxCurve(struct hvGfx *hvg, int x0, int y0, int x1, int y1, int x2, int y2, 
                         Color color, boolean isDotted);
 /* Draw a segment of an anti-aliased curve within 3 points (quadratic Bezier)
  * Optionally alternate dots.
  * Adapted trivially from code posted at http://members.chello.at/~easyfilter/bresenham.html */
  /* Thanks to author  * @author Zingl Alois
  * @date 22.08.2016 */
 
-void hvGfxDottedLine(struct hvGfx *hvg, int x1, int y1, int x2, int y2, Color color);
-/* Brezenham line algorithm, alternating dots */
+void hvGfxDottedLine(struct hvGfx *hvg, int x1, int y1, int x2, int y2, Color color, boolean isDash);
+/* Brezenham line algorithm, alternating dots, by 1 pixel or two (isDash true) */
 
 #endif