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