canvas/source/directx/dx_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.
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   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/awt/Rectangle.hpp>
  23 #include <com/sun/star/rendering/XGraphicDevice.hpp>
  24 #include <com/sun/star/rendering/XBufferController.hpp>
  25
  26 #include "dx_rendermodule.hxx"
  27 #include "dx_bitmap.hxx"
  28
  29 #include <rendering/isurfaceproxymanager.hxx>
  30 #include <vcl/vclptr.hxx>
  31
  32 class OutputDevice;
  33 /* Definition of DeviceHelper class */
  34
  35 namespace dxcanvas
  36 {
  37     class DeviceHelper
  38     {
  39     public:
  40         DeviceHelper();
  41         ~DeviceHelper();
  42
  43         /// make noncopyable
  44         DeviceHelper(const DeviceHelper&) = delete;
  45         const DeviceHelper& operator=(const DeviceHelper&) = delete;
  46
  47         /** Init the device helper
  48
  49             @param hdc
  50             private or class dc of the output device. is only stored,
  51             not release
  52
  53             @param rDevice
  54             Ref back to owning UNO device
  55          */
  56         void init( HDC hdc, OutputDevice* pOutputDev,
  57                    css::rendering::XGraphicDevice& rDevice );
  58
  59         /// Dispose all internal references
  60         void disposing();
  61
  62         // XWindowGraphicDevice
  63         css::geometry::RealSize2D getPhysicalResolution();
  64         css::geometry::RealSize2D getPhysicalSize();
  65         css::uno::Reference< css::rendering::XLinePolyPolygon2D > createCompatibleLinePolyPolygon(
  66             const css::uno::Reference< css::rendering::XGraphicDevice >&                               rDevice,
  67             const css::uno::Sequence< css::uno::Sequence< css::geometry::RealPoint2D > >& points );
  68         css::uno::Reference< css::rendering::XBezierPolyPolygon2D > createCompatibleBezierPolyPolygon(
  69             const css::uno::Reference< css::rendering::XGraphicDevice >&                                       rDevice,
  70             const css::uno::Sequence< css::uno::Sequence< css::geometry::RealBezierSegment2D > >& points );
  71         css::uno::Reference< css::rendering::XBitmap > createCompatibleBitmap(
  72             const css::uno::Reference< css::rendering::XGraphicDevice >&  rDevice,
  73             const css::geometry::IntegerSize2D&                                        size );
  74         css::uno::Reference< css::rendering::XVolatileBitmap > createVolatileBitmap(
  75             const css::uno::Reference< css::rendering::XGraphicDevice >&  rDevice,
  76             const css::geometry::IntegerSize2D&                                        size );
  77         css::uno::Reference< css::rendering::XBitmap > createCompatibleAlphaBitmap(
  78             const css::uno::Reference< css::rendering::XGraphicDevice >&  rDevice,
  79             const css::geometry::IntegerSize2D&                                        size );
  80         css::uno::Reference< css::rendering::XVolatileBitmap > createVolatileAlphaBitmap(
  81             const css::uno::Reference< css::rendering::XGraphicDevice >&  rDevice,
  82             const css::geometry::IntegerSize2D&                                        size );
  83
  84         css::uno::Any isAccelerated() const;
  85         css::uno::Any getDeviceHandle() const;
  86         css::uno::Any getSurfaceHandle() const;
  87         css::uno::Reference<
  88             css::rendering::XColorSpace > getColorSpace() const;
  89
  90         /** called when DumpScreenContent property is enabled on
  91             XGraphicDevice, and writes out bitmaps of current screen.
  92          */
  93         void dumpScreenContent() const {}
  94
  95     protected:
  96         HDC getHDC() const { return mnHDC; }
  97         css::rendering::XGraphicDevice* getDevice() const { return mpDevice; }
  98
  99     private:
 100         /** Phyical output device
 101
 102             Deliberately not a refcounted reference, because of
 103             potential circular references for canvas. Needed to
 104             create bitmaps
 105          */
 106         css::rendering::XGraphicDevice*            mpDevice;
 107         HDC                                        mnHDC;
 108         VclPtr<OutputDevice>                       mpOutDev;
 109     };
 110
 111     typedef ::rtl::Reference< css::rendering::XGraphicDevice > DeviceRef;
 112 }
 113
 114 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */