canvas/source/directx/dx_bitmapcanvashelper.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 #ifndef INCLUDED_CANVAS_SOURCE_DIRECTX_DX_BITMAPCANVASHELPER_HXX
  21 #define INCLUDED_CANVAS_SOURCE_DIRECTX_DX_BITMAPCANVASHELPER_HXX
  22
  23 #include <com/sun/star/rendering/XCanvas.hpp>
  24 #include <com/sun/star/rendering/XBitmapCanvas.hpp>
  25
  26 #include <basegfx/vector/b2isize.hxx>
  27 #include <basegfx/vector/b2dsize.hxx>
  28
  29 #include "dx_graphicsprovider.hxx"
  30 #include "dx_ibitmap.hxx"
  31 #include "dx_gdiplususer.hxx"
  32 #include "dx_impltools.hxx"
  33 #include "dx_canvashelper.hxx"
  34
  35 #include <boost/utility.hpp>
  36
  37
  38 namespace dxcanvas
  39 {
  40     /** Helper class for basic canvas functionality. Also offers
  41         optional backbuffer painting, when providing it with a second
  42         HDC to render into.
  43      */
  44     class BitmapCanvasHelper : public CanvasHelper
  45     {
  46     public:
  47         BitmapCanvasHelper();
  48
  49         /// Release all references
  50         void disposing();
  51
  52         /** Set the target for rendering operations
  53
  54             @param rTarget
  55             Render target
  56          */
  57         void setTarget( const IBitmapSharedPtr& rTarget );
  58
  59         /** Set the target for rendering operations
  60
  61             @param rTarget
  62             Render target
  63
  64             @param rOutputOffset
  65             Output offset in pixel
  66          */
  67         void setTarget( const IBitmapSharedPtr&   rTarget,
  68                         const ::basegfx::B2ISize& rOutputOffset );
  69
  70
  71         // CanvasHelper functionality is implementation-inherited. yuck.
  72         // =============================================================
  73         void clear();
  74
  75         ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive >
  76             drawTextLayout( const ::com::sun::star::rendering::XCanvas*     pCanvas,
  77                             const ::com::sun::star::uno::Reference<
  78                                 ::com::sun::star::rendering::XTextLayout >& laidOutText,
  79                             const ::com::sun::star::rendering::ViewState&   viewState,
  80                             const ::com::sun::star::rendering::RenderState& renderState );
  81
  82         // BitmapCanvasHelper functionality
  83         // ================================
  84
  85         void copyRect( const ::com::sun::star::rendering::XCanvas*          pCanvas,
  86                        const ::com::sun::star::uno::Reference<
  87                                ::com::sun::star::rendering::XBitmapCanvas >&    sourceCanvas,
  88                        const ::com::sun::star::geometry::RealRectangle2D&   sourceRect,
  89                        const ::com::sun::star::rendering::ViewState&        sourceViewState,
  90                        const ::com::sun::star::rendering::RenderState&      sourceRenderState,
  91                        const ::com::sun::star::geometry::RealRectangle2D&   destRect,
  92                        const ::com::sun::star::rendering::ViewState&        destViewState,
  93                        const ::com::sun::star::rendering::RenderState&      destRenderState );
  94
  95         ::com::sun::star::geometry::IntegerSize2D getSize();
  96
  97         ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XBitmap >
  98             getScaledBitmap( const ::com::sun::star::geometry::RealSize2D&  newSize,
  99                              bool                                           beFast );
 100
 101         ::com::sun::star::uno::Sequence< sal_Int8 >
 102             getData( ::com::sun::star::rendering::IntegerBitmapLayout&      bitmapLayout,
 103                      const ::com::sun::star::geometry::IntegerRectangle2D&  rect );
 104
 105         void setData( const ::com::sun::star::uno::Sequence< sal_Int8 >&         data,
 106                       const ::com::sun::star::rendering::IntegerBitmapLayout&    bitmapLayout,
 107                       const ::com::sun::star::geometry::IntegerRectangle2D&      rect );
 108
 109         void setPixel( const ::com::sun::star::uno::Sequence< sal_Int8 >&        color,
 110                        const ::com::sun::star::rendering::IntegerBitmapLayout&   bitmapLayout,
 111                        const ::com::sun::star::geometry::IntegerPoint2D&         pos );
 112
 113         ::com::sun::star::uno::Sequence< sal_Int8 >
 114             getPixel( ::com::sun::star::rendering::IntegerBitmapLayout& bitmapLayout,
 115                       const ::com::sun::star::geometry::IntegerPoint2D& pos );
 116
 117         ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XBitmapPalette > getPalette();
 118
 119         ::com::sun::star::rendering::IntegerBitmapLayout getMemoryLayout();
 120
 121         bool hasAlpha() const;
 122
 123     protected:
 124         /// Render target
 125         IBitmapSharedPtr mpTarget;
 126     };
 127 }
 128
 129 #endif // INCLUDED_CANVAS_SOURCE_DIRECTX_DX_BITMAPCANVASHELPER_HXX
 130
 131 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */