vcl/qt5/Qt5Graphics.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 <Qt5Graphics.hxx>
  21
  22 #include <Qt5Data.hxx>
  23 #include <Qt5Font.hxx>
  24 #include <Qt5Frame.hxx>
  25 #include <Qt5Graphics_Controls.hxx>
  26 #include <Qt5Painter.hxx>
  27
  28 #include <QtGui/QImage>
  29 #include <QtGui/QPainter>
  30 #include <QtWidgets/QPushButton>
  31 #include <QtWidgets/QWidget>
  32
  33 Qt5Graphics::Qt5Graphics( Qt5Frame *pFrame, QImage *pQImage )
  34     : m_pFrame( pFrame )
  35     , m_pQImage( pQImage )
  36     , m_aLineColor( 0x00, 0x00, 0x00 )
  37     , m_aFillColor( 0xFF, 0xFF, 0XFF )
  38     , m_eCompositionMode( QPainter::CompositionMode_SourceOver )
  39     , m_pTextStyle{ nullptr, }
  40     , m_aTextColor( 0x00, 0x00, 0x00 )
  41 {
  42     ResetClipRegion();
  43
  44     if (!initWidgetDrawBackends(false))
  45     {
  46         if (!Qt5Data::noNativeControls())
  47             m_pWidgetDraw.reset(new Qt5Graphics_Controls(*this));
  48     }
  49     if (m_pFrame)
  50         setDevicePixelRatioF(m_pFrame->devicePixelRatioF());
  51 }
  52
  53 Qt5Graphics::~Qt5Graphics() { ReleaseFonts(); }
  54
  55 void Qt5Graphics::ChangeQImage(QImage* pQImage)
  56 {
  57     m_pQImage = pQImage;
  58     ResetClipRegion();
  59 }
  60
  61 SalGraphicsImpl* Qt5Graphics::GetImpl() const { return nullptr; }
  62
  63 SystemGraphicsData Qt5Graphics::GetGraphicsData() const { return SystemGraphicsData(); }
  64
  65 bool Qt5Graphics::supportsOperation(OutDevSupportType eType) const
  66 {
  67     switch (eType)
  68     {
  69         case OutDevSupportType::B2DDraw:
  70         case OutDevSupportType::TransparentRect:
  71             return true;
  72         default:
  73             return false;
  74     }
  75 }
  76
  77 #if ENABLE_CAIRO_CANVAS
  78
  79 bool Qt5Graphics::SupportsCairo() const { return false; }
  80
  81 cairo::SurfaceSharedPtr
  82 Qt5Graphics::CreateSurface(const cairo::CairoSurfaceSharedPtr& /*rSurface*/) const
  83 {
  84     return nullptr;
  85 }
  86
  87 cairo::SurfaceSharedPtr Qt5Graphics::CreateSurface(const OutputDevice& /*rRefDevice*/, int /*x*/,
  88                                                    int /*y*/, int /*width*/, int /*height*/) const
  89 {
  90     return nullptr;
  91 }
  92
  93 cairo::SurfaceSharedPtr Qt5Graphics::CreateBitmapSurface(const OutputDevice& /*rRefDevice*/,
  94                                                          const BitmapSystemData& /*rData*/,
  95                                                          const Size& /*rSize*/) const
  96 {
  97     return nullptr;
  98 }
  99
 100 css::uno::Any Qt5Graphics::GetNativeSurfaceHandle(cairo::SurfaceSharedPtr& /*rSurface*/,
 101                                                   const basegfx::B2ISize& /*rSize*/) const
 102 {
 103     return css::uno::Any();
 104 }
 105
 106 #endif
 107
 108 void Qt5Graphics::handleDamage(const tools::Rectangle& rDamagedRegion)
 109 {
 110     assert(m_pWidgetDraw);
 111     assert(dynamic_cast<Qt5Graphics_Controls*>(m_pWidgetDraw.get()));
 112     assert(!rDamagedRegion.IsEmpty());
 113
 114     QImage* pImage = static_cast<Qt5Graphics_Controls*>(m_pWidgetDraw.get())->getImage();
 115     QImage blit(*pImage);
 116     blit.setDevicePixelRatio(1);
 117     Qt5Painter aPainter(*this);
 118     aPainter.drawImage(QPoint(rDamagedRegion.getX(), rDamagedRegion.getY()), blit);
 119     aPainter.update(toQRect(rDamagedRegion));
 120 }
 121
 122 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */