LCOV - code coverage report
Current view: top level - libreoffice/canvas/source/cairo - cairo_spritecanvashelper.hxx (source / functions) Hit Total Coverage
Test: libreoffice_filtered.info Lines: 0 1 0.0 %
Date: 2012-12-27 Functions: 0 1 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       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 _CAIROCANVAS_SPRITECANVASHELPER_HXX_
      21             : #define _CAIROCANVAS_SPRITECANVASHELPER_HXX_
      22             : 
      23             : #include <com/sun/star/rendering/XSpriteCanvas.hpp>
      24             : #include <com/sun/star/rendering/XIntegerBitmap.hpp>
      25             : 
      26             : #include <canvas/spriteredrawmanager.hxx>
      27             : 
      28             : #include "cairo_cairo.hxx"
      29             : #include "cairo_canvashelper.hxx"
      30             : 
      31             : namespace basegfx
      32             : {
      33             :     class B2IRange;
      34             : }
      35             : 
      36             : namespace cairocanvas
      37             : {
      38             :     class SpriteCanvas;
      39             : 
      40           0 :     class SpriteCanvasHelper : public CanvasHelper
      41             :     {
      42             :     public:
      43             :         SpriteCanvasHelper();
      44             : 
      45             :         void init( ::canvas::SpriteRedrawManager& rManager,
      46             :                    SpriteCanvas&                  rOwningSpriteCanvas,
      47             :                    const ::basegfx::B2ISize&      rSize );
      48             : 
      49             :         /// Dispose all internal references
      50             :         void disposing();
      51             : 
      52             :         // XSpriteCanvas
      53             :         ::com::sun::star::uno::Reference<
      54             :               ::com::sun::star::rendering::XAnimatedSprite >        createSpriteFromAnimation(
      55             :                 const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XAnimation >& animation );
      56             : 
      57             :         ::com::sun::star::uno::Reference<
      58             :               ::com::sun::star::rendering::XAnimatedSprite >        createSpriteFromBitmaps(
      59             :                 const ::com::sun::star::uno::Sequence<
      60             :                       ::com::sun::star::uno::Reference<
      61             :                             ::com::sun::star::rendering::XBitmap > >& animationBitmaps,
      62             :                 sal_Int8                                              interpolationMode );
      63             : 
      64             :         ::com::sun::star::uno::Reference<
      65             :               ::com::sun::star::rendering::XCustomSprite >      createCustomSprite(
      66             :                 const ::com::sun::star::geometry::RealSize2D& spriteSize );
      67             : 
      68             :         ::com::sun::star::uno::Reference<
      69             :               ::com::sun::star::rendering::XSprite >                createClonedSprite(
      70             :                 const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XSprite >& original );
      71             : 
      72             :         /** Actually perform the screen update
      73             : 
      74             :             @param rCurrArea
      75             :             Current window area in absolute screen coordinates
      76             : 
      77             :             @param bUpdateAll
      78             :             sal_True, if everything must be updated, not only changed
      79             :             sprites
      80             : 
      81             :             @param io_bSurfaceDirty
      82             :             In/out parameter, whether backbuffer surface is dirty (if
      83             :             yes, we're performing a full update, anyway)
      84             :          */
      85             :         sal_Bool updateScreen( const ::basegfx::B2IRange& rCurrArea,
      86             :                                sal_Bool                   bUpdateAll,
      87             :                                bool&                      io_bSurfaceDirty );
      88             : 
      89             : 
      90             :         // SpriteRedrawManager functor calls
      91             :         // -------------------------------------------------
      92             : 
      93             :         /** Gets called for simple background repaints
      94             :          */
      95             :         void backgroundPaint( const ::basegfx::B2DRange& rUpdateRect );
      96             : 
      97             :         /** Gets called when area can be handled by scrolling.
      98             : 
      99             :             Called method must copy screen content from rMoveStart to
     100             :             rMoveEnd, and restore the background in the uncovered
     101             :             areas.
     102             : 
     103             :             @param rMoveStart
     104             :             Source rect of the scroll
     105             : 
     106             :             @param rMoveEnd
     107             :             Dest rect of the scroll
     108             : 
     109             :             @param rUpdateArea
     110             :             All info necessary, should rMoveStart be partially or
     111             :             fully outside the outdev
     112             :          */
     113             :         void scrollUpdate( const ::basegfx::B2DRange&                           rMoveStart,
     114             :                            const ::basegfx::B2DRange&                           rMoveEnd,
     115             :                            const ::canvas::SpriteRedrawManager::UpdateArea&     rUpdateArea );
     116             : 
     117             :         void opaqueUpdate( const ::basegfx::B2DRange&                          rTotalArea,
     118             :                            const ::std::vector< ::canvas::Sprite::Reference >& rSortedUpdateSprites );
     119             : 
     120             :         void genericUpdate( const ::basegfx::B2DRange&                          rTotalArea,
     121             :                             const ::std::vector< ::canvas::Sprite::Reference >& rSortedUpdateSprites );
     122             : 
     123             :     private:
     124             :         ::cairo::SurfaceSharedPtr getCompositingSurface( const ::basegfx::B2ISize& rNeededSize );
     125             :         ::cairo::SurfaceSharedPtr getTemporarySurface();
     126             :         ::cairo::SurfaceSharedPtr createSurface( const ::basegfx::B2ISize& rNeededSize ) const;
     127             : 
     128             :         /// Set from the SpriteCanvas: instance coordinating sprite redraw
     129             :         ::canvas::SpriteRedrawManager*  mpRedrawManager;
     130             : 
     131             :         /// Set from the init method. used to generate sprites
     132             :         SpriteCanvas*                   mpOwningSpriteCanvas;
     133             : 
     134             :         /// a surface used to composite the frontbuffer image
     135             :         ::cairo::SurfaceSharedPtr       mpCompositingSurface;
     136             :         ::basegfx::B2ISize              maCompositingSurfaceSize;
     137             :         bool                            mbCompositingSurfaceDirty;
     138             :         /// a temporary surface that is guaranteed to be the same size
     139             :         //as the compositing surface
     140             :         ::cairo::SurfaceSharedPtr       mpTemporarySurface;
     141             :     };
     142             : }
     143             : 
     144             : #endif /* _CAIROCANVAS_SPRITECANVASHELPER_HXX_ */
     145             : 
     146             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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