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Diffstat (limited to 'canvas/source/cairo/cairo_spritecanvashelper.hxx')
| -rw-r--r-- | canvas/source/cairo/cairo_spritecanvashelper.hxx | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/canvas/source/cairo/cairo_spritecanvashelper.hxx b/canvas/source/cairo/cairo_spritecanvashelper.hxx new file mode 100644 index 000000000000..2bed2b2d6dc0 --- /dev/null +++ b/canvas/source/cairo/cairo_spritecanvashelper.hxx @@ -0,0 +1,149 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +#ifndef _CAIROCANVAS_SPRITECANVASHELPER_HXX_ +#define _CAIROCANVAS_SPRITECANVASHELPER_HXX_ + +#include <com/sun/star/rendering/XSpriteCanvas.hpp> +#include <com/sun/star/rendering/XIntegerBitmap.hpp> + +#include <canvas/spriteredrawmanager.hxx> + +#include "cairo_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 ); + + /// Dispose all internal references + void disposing(); + + // XSpriteCanvas + ::com::sun::star::uno::Reference< + ::com::sun::star::rendering::XAnimatedSprite > createSpriteFromAnimation( + const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XAnimation >& animation ); + + ::com::sun::star::uno::Reference< + ::com::sun::star::rendering::XAnimatedSprite > createSpriteFromBitmaps( + const ::com::sun::star::uno::Sequence< + ::com::sun::star::uno::Reference< + ::com::sun::star::rendering::XBitmap > >& animationBitmaps, + sal_Int8 interpolationMode ); + + ::com::sun::star::uno::Reference< + ::com::sun::star::rendering::XCustomSprite > createCustomSprite( + const ::com::sun::star::geometry::RealSize2D& spriteSize ); + + ::com::sun::star::uno::Reference< + ::com::sun::star::rendering::XSprite > createClonedSprite( + const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XSprite >& original ); + + /** Actually perform the screen update + + @param rCurrArea + Current window area in absolute screen coordinates + + @param bUpdateAll + sal_True, if everything must be updated, not only changed + sprites + + @param io_bSurfaceDirty + In/out parameter, whether backbuffer surface is dirty (if + yes, we're performing a full update, anyway) + */ + sal_Bool updateScreen( const ::basegfx::B2IRange& rCurrArea, + sal_Bool bUpdateAll, + bool& io_bSurfaceDirty ); + + + // SpriteRedrawManager functor calls + // ------------------------------------------------- + + /** Gets called for simple background repaints + */ + void backgroundPaint( const ::basegfx::B2DRange& rUpdateRect ); + + /** Gets called when area can be handled by scrolling. + + Called method must copy screen content from rMoveStart to + rMoveEnd, and restore the background in the uncovered + areas. + + @param rMoveStart + Source rect of the scroll + + @param rMoveEnd + Dest rect of the scroll + + @param rUpdateArea + All info necessary, should rMoveStart be partially or + fully outside the outdev + */ + 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 getCompositingSurface( const ::basegfx::B2ISize& rNeededSize ); + + /// Set from the SpriteCanvas: instance coordinating sprite redraw + ::canvas::SpriteRedrawManager* mpRedrawManager; + + /// Set from the init method. used to generate sprites + SpriteCanvas* mpOwningSpriteCanvas; + + /// a temporary surface used to composite the frontbuffer image + ::cairo::SurfaceSharedPtr mpCompositingSurface; + ::basegfx::B2ISize maCompositingSurfaceSize; + }; +} + +#endif /* _CAIROCANVAS_SPRITECANVASHELPER_HXX_ */ + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |