widget/qt/mozqglwidgetwrapper.cpp

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /* vim: set ts=4 et sw=4 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "mozqglwidgetwrapper.h"
   8 #include <QGraphicsView>
   9 #include <QtOpenGL/QGLWidget>
  10 #include <QtOpenGL/QGLContext>
  11
  12 MozQGLWidgetWrapper::MozQGLWidgetWrapper()
  13   : mWidget(new QGLWidget())
  14 {
  15 }
  16
  17 MozQGLWidgetWrapper::~MozQGLWidgetWrapper()
  18 {
  19     delete mWidget;
  20 }
  21
  22 void MozQGLWidgetWrapper::makeCurrent()
  23 {
  24     mWidget->makeCurrent();
  25 }
  26
  27 void MozQGLWidgetWrapper::setViewport(QGraphicsView* aView)
  28 {
  29     aView->setViewport(mWidget);
  30 }
  31
  32 bool MozQGLWidgetWrapper::hasGLContext(QGraphicsView* aView)
  33 {
  34     return aView && qobject_cast<QGLWidget*>(aView->viewport());
  35 }
  36
  37 bool MozQGLWidgetWrapper::isRGBAContext()
  38 {
  39     QGLContext* context = const_cast<QGLContext*>(QGLContext::currentContext());
  40     return context && context->format().alpha();
  41 }