canvas/source/vcl/spritecanvashelper.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 #ifndef _VCLCANVAS_SPRITECANVASHELPER_HXX_
  21 #define _VCLCANVAS_SPRITECANVASHELPER_HXX_
  22
  23 #include <com/sun/star/rendering/XSpriteCanvas.hpp>
  24 #include <com/sun/star/rendering/XIntegerBitmap.hpp>
  25
  26 #include <vcl/virdev.hxx>
  27
  28 #include <canvas/spriteredrawmanager.hxx>
  29 #include <canvas/elapsedtime.hxx>
  30 #include <canvas/vclwrapper.hxx>
  31 #include "canvashelper.hxx"
  32 #include "impltools.hxx"
  33
  34
  35 namespace vclcanvas
  36 {
  37     class SpriteCanvas;
  38
  39     class SpriteCanvasHelper : public CanvasHelper
  40     {
  41     public:
  42         SpriteCanvasHelper();
  43
  44         void init( const OutDevProviderSharedPtr& rOutDev,
  45                    SpriteCanvas&                  rOwningSpriteCanvas,
  46                    ::canvas::SpriteRedrawManager& rManager,
  47                    bool                           bProtect,
  48                    bool                           bHaveAlpha );
  49
  50         /// Dispose all internal references
  51         void disposing();
  52
  53         // XSpriteCanvas
  54         ::com::sun::star::uno::Reference<
  55               ::com::sun::star::rendering::XAnimatedSprite >        createSpriteFromAnimation(
  56                 const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XAnimation >& animation );
  57
  58         ::com::sun::star::uno::Reference<
  59               ::com::sun::star::rendering::XAnimatedSprite >        createSpriteFromBitmaps(
  60                 const ::com::sun::star::uno::Sequence<
  61                       ::com::sun::star::uno::Reference<
  62                             ::com::sun::star::rendering::XBitmap > >& animationBitmaps,
  63                 sal_Int8                                              interpolationMode );
  64
  65         ::com::sun::star::uno::Reference<
  66               ::com::sun::star::rendering::XCustomSprite >      createCustomSprite(
  67                 const ::com::sun::star::geometry::RealSize2D& spriteSize );
  68
  69         ::com::sun::star::uno::Reference<
  70               ::com::sun::star::rendering::XSprite >                createClonedSprite(
  71                 const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XSprite >& original );
  72
  73         /** Actually perform the screen update
  74
  75             @param bUpdateAll
  76             sal_True, if everything must be updated, not only changed
  77             sprites
  78
  79             @param io_bSurfaceDirty
  80             In/out parameter, whether backbuffer surface is dirty (if
  81             yes, we're performing a full update, anyway)
  82          */
  83         sal_Bool updateScreen( sal_Bool bUpdateAll,
  84                                bool&    io_bSurfaceDirty );
  85
  86         // SpriteRedrawManager functor calls
  87         // -------------------------------------------------
  88
  89         /** Gets called for simple background repaints
  90          */
  91         void backgroundPaint( const ::basegfx::B2DRange& rUpdateRect );
  92
  93         /** Gets called when area can be handled by scrolling.
  94
  95             Called method must copy screen content from rMoveStart to
  96             rMoveEnd, and restore the background in the uncovered
  97             areas.
  98
  99             @param rMoveStart
 100             Source rect of the scroll
 101
 102             @param rMoveEnd
 103             Dest rect of the scroll
 104
 105             @param rUpdateArea
 106             All info necessary, should rMoveStart be partially or
 107             fully outside the outdev
 108          */
 109         void scrollUpdate( const ::basegfx::B2DRange&                           rMoveStart,
 110                            const ::basegfx::B2DRange&                           rMoveEnd,
 111                            const ::canvas::SpriteRedrawManager::UpdateArea&     rUpdateArea );
 112
 113         void opaqueUpdate( const ::basegfx::B2DRange&                          rTotalArea,
 114                            const ::std::vector< ::canvas::Sprite::Reference >& rSortedUpdateSprites );
 115
 116         void genericUpdate( const ::basegfx::B2DRange&                          rTotalArea,
 117                             const ::std::vector< ::canvas::Sprite::Reference >& rSortedUpdateSprites );
 118
 119         ::com::sun::star::uno::Any isUnsafeScrolling() const
 120         {
 121             return ::com::sun::star::uno::makeAny(mbIsUnsafeScrolling);
 122         }
 123         void enableUnsafeScrolling( const ::com::sun::star::uno::Any& rAny )
 124         {
 125             mbIsUnsafeScrolling = rAny.get<bool>();
 126         }
 127
 128         ::com::sun::star::uno::Any isSpriteBounds() const
 129         {
 130             return ::com::sun::star::uno::makeAny(mbShowSpriteBounds);
 131         }
 132         void enableSpriteBounds( const ::com::sun::star::uno::Any& rAny )
 133         {
 134             mbShowSpriteBounds = rAny.get<bool>();
 135         }
 136
 137     private:
 138         void renderFrameCounter( OutputDevice& rOutDev );
 139         void renderSpriteCount( OutputDevice& rOutDev );
 140         void renderMemUsage( OutputDevice& rOutDev );
 141
 142         /// Set from the SpriteCanvas: instance coordinating sprite redraw
 143         ::canvas::SpriteRedrawManager*                  mpRedrawManager;
 144
 145         /// Set from the init method. used to generate sprites
 146         SpriteCanvas*                                   mpOwningSpriteCanvas;
 147
 148         /** Background compositing surface.
 149
 150             Typically, sprites will be composited in the background,
 151             before pushing them to screen. This happens here.
 152          */
 153         ::canvas::vcltools::VCLObject< VirtualDevice >  maVDev;
 154
 155         /// For the frame counter timings
 156         ::canvas::tools::ElapsedTime                    maLastUpdate;
 157
 158         /// When true, canvas displays debug info on each frame
 159         bool                                            mbShowFrameInfo;
 160
 161         /// When true, canvas creates all new sprites with red lines in the corners
 162         bool                                            mbShowSpriteBounds;
 163
 164         /// When true, canvas uses the scroll optimization (direct scrolls in front buffer)
 165         bool                                            mbIsUnsafeScrolling;
 166     };
 167 }
 168
 169 #endif /* _VCLCANVAS_SPRITECANVASHELPER_HXX_ */
 170
 171 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */