Avoid CGContextSetLineWidth warning about negative line width

Change-Id: I82d37d0277e324e269674ed40592026e0097fa33
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/91027
Tested-by: Jenkins CollaboraOffice <jenkinscollaboraoffice@gmail.com>
Reviewed-by: Tor Lillqvist <tml@collabora.com>
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/91031
Tested-by: Jenkins

1 files changed, 6 insertions, 1 deletions

diff --git a/vcl/quartz/salgdicommon.cxx b/vcl/quartz/salgdicommon.cxx
index 4ca5eede4578..6489b33d1fd9 100644
--- a/vcl/quartz/salgdicommon.cxx
+++ b/vcl/quartz/salgdicommon.cxx
@@ -935,7 +935,12 @@ bool AquaSalGraphics::drawPolyLine(
         CGContextSetAlpha( maContextHolder.get(), 1.0 - fTransparency );
         CGContextSetLineJoin( maContextHolder.get(), aCGLineJoin );
         CGContextSetLineCap( maContextHolder.get(), aCGLineCap );
-        CGContextSetLineWidth( maContextHolder.get(), aLineWidth.getX() );
+
+        // aLineWidth.getX() can be negative here. That causes a warning that shows up in the debugger.
+        if (aLineWidth.getX() > 0)
+        {
+            CGContextSetLineWidth( maContextHolder.get(), aLineWidth.getX() );
+        }
         CGContextSetMiterLimit(maContextHolder.get(), fCGMiterLimit);
         CGContextDrawPath( maContextHolder.get(), kCGPathStroke );
         maContextHolder.restoreState();