From 7a85fccb8fd104bf5e5d839358afb049863768ab Mon Sep 17 00:00:00 2001
From: Gabriel de Dietrich <gabriel.dedietrich@digia.com>
Date: Wed, 15 May 2013 19:34:02 +0200
Subject: [PATCH] Update opengl/overpainting example for high-dpi
Depends on I8e81a0c6af61df1c4497a5934e2b89bad6f616f0 to properly
render the overlay.
Change-Id: I7ef6b726cc06eb750e7c00beb4ec6e80e85866a1
Reviewed-by: Gunnar Sletta <gunnar.sletta@digia.com>
---
examples/opengl/overpainting/glwidget.cpp | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/examples/opengl/overpainting/glwidget.cpp b/examples/opengl/overpainting/glwidget.cpp
index 78f5f96c484..420ae3e8814 100644
--- a/examples/opengl/overpainting/glwidget.cpp
+++ b/examples/opengl/overpainting/glwidget.cpp
@@ -161,7 +161,8 @@ void GLWidget::paintEvent(QPaintEvent *event)
static GLfloat lightPosition[4] = { 0.5, 5.0, 7.0, 1.0 };
glLightfv(GL_LIGHT0, GL_POSITION, lightPosition);
- setupViewport(width(), height());
+ qreal pixelRatio = devicePixelRatio();
+ setupViewport(width() * pixelRatio, height() * pixelRatio);
//! [6]
//! [7]
@@ -200,7 +201,8 @@ void GLWidget::paintEvent(QPaintEvent *event)
//! [11]
void GLWidget::resizeGL(int width, int height)
{
- setupViewport(width, height);
+ qreal pixelRatio = devicePixelRatio();
+ setupViewport(width*pixelRatio, height*pixelRatio);
}
//! [11]
--
GitLab