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Diffstat (limited to '')
| -rw-r--r-- | canvas/source/cairo/cairo_spritecanvashelper.hxx | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/canvas/source/cairo/cairo_spritecanvashelper.hxx b/canvas/source/cairo/cairo_spritecanvashelper.hxx new file mode 100644 index 000000000..6d659afd0 --- /dev/null +++ b/canvas/source/cairo/cairo_spritecanvashelper.hxx @@ -0,0 +1,143 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#ifndef INCLUDED_CANVAS_SOURCE_CAIRO_CAIRO_SPRITECANVASHELPER_HXX +#define INCLUDED_CANVAS_SOURCE_CAIRO_CAIRO_SPRITECANVASHELPER_HXX + +#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 ); + + /// Dispose all internal references + 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 ); + + /** 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) + */ + bool updateScreen( const ::basegfx::B2IRange& rCurrArea, + 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 const & getCompositingSurface( const ::basegfx::B2ISize& rNeededSize ); + ::cairo::SurfaceSharedPtr const & getTemporarySurface(); + ::cairo::SurfaceSharedPtr createSurface( const ::basegfx::B2ISize& rNeededSize ) const; + + /// Set from the SpriteCanvas: instance coordinating sprite redraw + ::canvas::SpriteRedrawManager* mpRedrawManager; + + /// Set from the init method. used to generate sprites + SpriteCanvas* mpOwningSpriteCanvas; + + /// a surface used to composite the frontbuffer image + ::cairo::SurfaceSharedPtr mpCompositingSurface; + ::basegfx::B2ISize maCompositingSurfaceSize; + bool mbCompositingSurfaceDirty; + /// a temporary surface that is guaranteed to be the same size + //as the compositing surface + ::cairo::SurfaceSharedPtr mpTemporarySurface; + }; +} + +#endif // INCLUDED_CANVAS_SOURCE_CAIRO_CAIRO_SPRITECANVASHELPER_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |