From: David Kastrup <dak@gnu.org>
Date: Mon, 27 Feb 2012 22:29:24 +0000 (+0100)
Subject: Issue 2328: Ledger lines in PNG output have white interior
X-Git-Tag: release/2.15.33-1~1^2^2~6
X-Git-Url: https://git.donarmstrong.com/?a=commitdiff_plain;h=4666869ad53760ead32eba6c5dc75e43c69f4c87;hp=6e570a723243c4d530cee83dbde7b5d96f6a2b9e;p=lilypond.git

Issue 2328: Ledger lines in PNG output have white interior

Don't stroke rectangles with height or width 0 in draw_round_box
---

diff --git a/ps/music-drawing-routines.ps b/ps/music-drawing-routines.ps
index d7450e452b..3e62f0366e 100644
--- a/ps/music-drawing-routines.ps
+++ b/ps/music-drawing-routines.ps
@@ -98,15 +98,20 @@ bind def
         dup
 	0.0 gt {
 		setlinewidth % w h x y
-		0 setlinecap
-		1 setlinejoin
-
 		rmoveto % w h
-		currentpoint % w h x1 y1
-		4 2 roll % x1 y1 w h
-		4 copy
-		rectfill
-		rectstroke
+		2 copy 0 ne exch 0 ne and
+		{
+		    0 setlinecap
+		    1 setlinejoin
+		    currentpoint % w h x1 y1
+		    4 2 roll % x1 y1 w h
+		    4 copy
+		    rectfill
+		    rectstroke
+		} {
+		    1 setlinecap
+		    rlineto stroke
+		} ifelse
 	} {
 		pop % w h x y
 		rmoveto % w h