vcl/qt5/Qt5SvpSurface.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
  10 #include <utility>
  11
  12 #include <Qt5SvpSurface.hxx>
  13
  14 #include <Qt5SvpGraphics.hxx>
  15
  16 #include <vcl/sysdata.hxx>
  17 #include <vcl/bitmap.hxx>
  18 #include <vcl/virdev.hxx>
  19 #include <vcl/window.hxx>
  20 #include <basegfx/vector/b2isize.hxx>
  21
  22 namespace cairo
  23 {
  24 Qt5SvpSurface::Qt5SvpSurface(const CairoSurfaceSharedPtr& m_pSurface)
  25     : m_pGraphics(nullptr)
  26     , m_pCairoContext(nullptr)
  27     , m_pSurface(m_pSurface)
  28 {
  29 }
  30
  31 Qt5SvpSurface::Qt5SvpSurface(const Qt5SvpGraphics* pGraphics, int x, int y, int width, int height)
  32     : m_pGraphics(pGraphics)
  33     , m_pCairoContext(pGraphics->getCairoContext(false))
  34 {
  35     cairo_surface_t* surface = cairo_get_target(m_pCairoContext);
  36     m_pSurface.reset(cairo_surface_create_for_rectangle(surface, x, y, width, height),
  37                      &cairo_surface_destroy);
  38 }
  39
  40 Qt5SvpSurface::~Qt5SvpSurface()
  41 {
  42     if (m_pCairoContext)
  43         cairo_destroy(m_pCairoContext);
  44 }
  45
  46 CairoSharedPtr Qt5SvpSurface::getCairo() const
  47 {
  48     return CairoSharedPtr(cairo_create(m_pSurface.get()), &cairo_destroy);
  49 }
  50
  51 SurfaceSharedPtr Qt5SvpSurface::getSimilar(int cairo_content_type, int width, int height) const
  52 {
  53     return SurfaceSharedPtr(new Qt5SvpSurface(CairoSurfaceSharedPtr(
  54         cairo_surface_create_similar(
  55             m_pSurface.get(), static_cast<cairo_content_t>(cairo_content_type), width, height),
  56         &cairo_surface_destroy)));
  57 }
  58
  59 void Qt5SvpSurface::flush() const
  60 {
  61     cairo_surface_flush(m_pSurface.get());
  62     if (m_pGraphics)
  63         m_pGraphics->updateQWidget();
  64 }
  65
  66 VclPtr<VirtualDevice> Qt5SvpSurface::createVirtualDevice() const
  67 {
  68     return VclPtrInstance<VirtualDevice>(nullptr, Size(1, 1), DeviceFormat::DEFAULT);
  69 }
  70
  71 } // namespace cairo
  72
  73 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */