vcl/qt5/QtPainter.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <QtPainter.hxx>
  21
  22 #include <QtGui/QColor>
  23
  24 QtPainter::QtPainter(QtGraphicsBackend& rGraphics, bool bPrepareBrush, sal_uInt8 nTransparency)
  25     : m_rGraphics(rGraphics)
  26 {
  27     if (rGraphics.m_pQImage)
  28     {
  29         if (!begin(rGraphics.m_pQImage))
  30             std::abort();
  31     }
  32     else
  33     {
  34         assert(rGraphics.m_pFrame);
  35         if (!begin(rGraphics.m_pFrame->GetQWidget()))
  36             std::abort();
  37     }
  38     if (!rGraphics.m_aClipPath.isEmpty())
  39         setClipPath(rGraphics.m_aClipPath);
  40     else
  41         setClipRegion(rGraphics.m_aClipRegion);
  42     if (rGraphics.m_oLineColor)
  43     {
  44         QColor aColor = toQColor(*rGraphics.m_oLineColor);
  45         aColor.setAlpha(nTransparency);
  46         setPen(aColor);
  47     }
  48     else
  49         setPen(Qt::NoPen);
  50     if (bPrepareBrush && rGraphics.m_oFillColor)
  51     {
  52         QColor aColor = toQColor(*rGraphics.m_oFillColor);
  53         aColor.setAlpha(nTransparency);
  54         setBrush(aColor);
  55     }
  56     setCompositionMode(rGraphics.m_eCompositionMode);
  57     setRenderHint(QPainter::Antialiasing, m_rGraphics.getAntiAlias());
  58 }