cairo_spritecanvashelper.hxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#pragma once
 
#include <com/sun/star/rendering/XAnimatedSprite.hpp>
#include <com/sun/star/rendering/XAnimation.hpp>
#include <com/sun/star/rendering/XCustomSprite.hpp>
 
#include <spriteredrawmanager.hxx>
 
#include <vcl/cairo.hxx>
#include "cairo_canvashelper.hxx"
 
namespace basegfx
{
    class B2IRange;
}
 
namespace cairocanvas
{
    class SpriteCanvas;
 
    class SpriteCanvasHelper : public CanvasHelper
    {
    public:
        SpriteCanvasHelper();
 
        void init( ::canvas::SpriteRedrawManager& rManager,
                   SpriteCanvas&                  rOwningSpriteCanvas,
                   const ::basegfx::B2ISize&      rSize );
 
        void disposing();
 
        // XSpriteCanvas
        css::uno::Reference< css::rendering::XAnimatedSprite >        createSpriteFromAnimation(
                const css::uno::Reference< css::rendering::XAnimation >& animation );
 
        css::uno::Reference< css::rendering::XAnimatedSprite >        createSpriteFromBitmaps(
                const css::uno::Sequence<
                      css::uno::Reference<
                            css::rendering::XBitmap > >& animationBitmaps,
                sal_Int8                                              interpolationMode );
 
        css::uno::Reference< css::rendering::XCustomSprite >      createCustomSprite(
                const css::geometry::RealSize2D& spriteSize );
 
        css::uno::Reference< css::rendering::XSprite >                createClonedSprite(
                const css::uno::Reference< css::rendering::XSprite >& original );
 
        bool updateScreen( const ::basegfx::B2IRange& rCurrArea,
                           bool                       bUpdateAll,
                           bool&                      io_bSurfaceDirty );
 
 
        // SpriteRedrawManager functor calls
 
 
        void backgroundPaint( const ::basegfx::B2DRange& rUpdateRect );
 
        void scrollUpdate( const ::basegfx::B2DRange&                           rMoveStart,
                           const ::basegfx::B2DRange&                           rMoveEnd,
                           const ::canvas::SpriteRedrawManager::UpdateArea&     rUpdateArea );
 
        void opaqueUpdate( const ::basegfx::B2DRange&                          rTotalArea,
                           const std::vector< ::canvas::Sprite::Reference >& rSortedUpdateSprites );
 
        void genericUpdate( const ::basegfx::B2DRange&                          rTotalArea,
                            const std::vector< ::canvas::Sprite::Reference >& rSortedUpdateSprites );
 
    private:
        ::cairo::SurfaceSharedPtr const & getCompositingSurface( const ::basegfx::B2ISize& rNeededSize );
        ::cairo::SurfaceSharedPtr const & getTemporarySurface();
        ::cairo::SurfaceSharedPtr createSurface( const ::basegfx::B2ISize& rNeededSize ) const;
 
        ::canvas::SpriteRedrawManager*  mpRedrawManager;
 
        SpriteCanvas*                   mpOwningSpriteCanvas;
 
        ::cairo::SurfaceSharedPtr       mpCompositingSurface;
        ::basegfx::B2ISize              maCompositingSurfaceSize;
        bool                            mbCompositingSurfaceDirty;
        //as the compositing surface
        ::cairo::SurfaceSharedPtr       mpTemporarySurface;
    };
}
 
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