canvas/source/vcl/devicehelper.hxx

   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 #pragma once
  21
  22 #include <com/sun/star/rendering/XGraphicDevice.hpp>
  23
  24 #include "outdevprovider.hxx"
  25
  26
  27 /* Definition of DeviceHelper class */
  28
  29 namespace vclcanvas
  30 {
  31     class DeviceHelper
  32     {
  33     public:
  34         DeviceHelper();
  35
  36         /// make noncopyable
  37         DeviceHelper(const DeviceHelper&) = delete;
  38         const DeviceHelper& operator=(const DeviceHelper&) = delete;
  39
  40         void init( const OutDevProviderSharedPtr& rOutDev );
  41
  42         /// Dispose all internal references
  43         void disposing();
  44
  45         // XWindowGraphicDevice
  46         css::geometry::RealSize2D getPhysicalResolution();
  47         css::geometry::RealSize2D getPhysicalSize();
  48         css::uno::Reference< css::rendering::XLinePolyPolygon2D > createCompatibleLinePolyPolygon(
  49             const css::uno::Reference< css::rendering::XGraphicDevice >&                               rDevice,
  50             const css::uno::Sequence< css::uno::Sequence< css::geometry::RealPoint2D > >& points );
  51         css::uno::Reference< css::rendering::XBezierPolyPolygon2D > createCompatibleBezierPolyPolygon(
  52             const css::uno::Reference< css::rendering::XGraphicDevice >&                                       rDevice,
  53             const css::uno::Sequence< css::uno::Sequence< css::geometry::RealBezierSegment2D > >& points );
  54         css::uno::Reference< css::rendering::XBitmap > createCompatibleBitmap(
  55             const css::uno::Reference< css::rendering::XGraphicDevice >&  rDevice,
  56             const css::geometry::IntegerSize2D&                                        size );
  57         css::uno::Reference< css::rendering::XVolatileBitmap > createVolatileBitmap(
  58             const css::uno::Reference< css::rendering::XGraphicDevice >&  rDevice,
  59             const css::geometry::IntegerSize2D&                                        size );
  60         css::uno::Reference< css::rendering::XBitmap > createCompatibleAlphaBitmap(
  61             const css::uno::Reference< css::rendering::XGraphicDevice >&  rDevice,
  62             const css::geometry::IntegerSize2D&                                        size );
  63         css::uno::Reference< css::rendering::XVolatileBitmap > createVolatileAlphaBitmap(
  64             const css::uno::Reference< css::rendering::XGraphicDevice >&  rDevice,
  65             const css::geometry::IntegerSize2D&                                        size );
  66
  67         css::uno::Any isAccelerated() const;
  68         css::uno::Any getDeviceHandle() const;
  69         css::uno::Any getSurfaceHandle() const;
  70         css::uno::Reference<
  71             css::rendering::XColorSpace > const & getColorSpace() const;
  72
  73         const OutDevProviderSharedPtr& getOutDev() const { return mpOutDev; }
  74
  75         /** called when DumpScreenContent property is enabled on
  76             XGraphicDevice, and writes out bitmaps of current screen.
  77          */
  78         void dumpScreenContent() const;
  79
  80     private:
  81         /// For retrieving device info
  82         OutDevProviderSharedPtr mpOutDev;
  83     };
  84 }
  85
  86 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */