# HG changeset patch
# User Rik <rik@octave.org>
# Date 1422589352 28800
# Node ID 5d1c7e9677429309f572986d3fde66166214c27e
# Parent  101ce4eaa56c84f5dda2ad075068341417751342
Turn on OpenGL Multisampling for Qt plotting (bug #41819)

* GLCanvas.cc (GLCanvas::GLCanvas): In constructor, inherit from QGLWidget with
QGL::SampleBuffers enabled.

diff -r 101ce4eaa56c -r 5d1c7e967742 libgui/graphics/GLCanvas.cc
--- a/libgui/graphics/GLCanvas.cc	Sun Jan 25 20:03:17 2015 +0100
+++ b/libgui/graphics/GLCanvas.cc	Thu Jan 29 19:42:32 2015 -0800
@@ -38,7 +38,7 @@
 {
 
 GLCanvas::GLCanvas (QWidget* xparent, const graphics_handle& gh)
-  : QGLWidget (xparent), Canvas (gh)
+  : QGLWidget (QGLFormat(QGL::SampleBuffers), xparent), Canvas (gh)
 {
   setFocusPolicy (Qt::ClickFocus);
 }