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Diffstat (limited to 'canvas/source/cairo/cairo_spritehelper.hxx')
-rw-r--r-- | canvas/source/cairo/cairo_spritehelper.hxx | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/canvas/source/cairo/cairo_spritehelper.hxx b/canvas/source/cairo/cairo_spritehelper.hxx new file mode 100644 index 000000000000..0d770e25003e --- /dev/null +++ b/canvas/source/cairo/cairo_spritehelper.hxx @@ -0,0 +1,115 @@ +/************************************************************************* + * + * 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_SPRITEHELPER_HXX +#define _CAIROCANVAS_SPRITEHELPER_HXX + +#include <com/sun/star/rendering/XCustomSprite.hpp> + +#include <canvas/base/canvascustomspritehelper.hxx> + +#include <basegfx/point/b2dpoint.hxx> +#include <basegfx/vector/b2isize.hxx> +#include <basegfx/matrix/b2dhommatrix.hxx> + +#include "cairo_spritecanvas.hxx" + + +namespace cairocanvas +{ + /* Definition of SpriteHelper class */ + + /** Helper class for canvas sprites. + + This class implements all sprite-related functionality, like + that available on the XSprite interface. + */ + class SpriteHelper : public ::canvas::CanvasCustomSpriteHelper + { + public: + /** Create sprite helper + */ + SpriteHelper(); + + /** Late-init the sprite helper + + @param rSpriteSize + Size of the sprite + + @param rSpriteCanvas + Sprite canvas this sprite is part of. Object stores + ref-counted reference to it, thus, don't forget to pass on + disposing()! + + @param rDevice + DX device to use + + @param rSpriteSurface + The surface of the sprite (not the DX texture, but the + persistent target of content rendering) + + @param bShowSpriteBounds + When true, little debug bound rects for sprites are shown + */ + void init( const ::com::sun::star::geometry::RealSize2D& rSpriteSize, + const SpriteCanvasRef& rSpriteCanvas ); + + void disposing(); + + void setSurface( const ::cairo::SurfaceSharedPtr& pBufferSurface ); + + /** Repaint sprite content to associated sprite canvas + + @param rPos + Output position (sprite's own position is disregarded) + + @param io_bSurfacesDirty + When true, the referenced sprite surfaces (backBuffer and + backBufferMask) have been modified since last call. + + @param bBufferedUpdate + When true, the redraw does <em>not</em> happen directly on + the front buffer, but within a VDev. Used to speed up + drawing. + */ + void redraw( const ::cairo::CairoSharedPtr& pCairo, + const ::basegfx::B2DPoint& rPos, + bool& bSurfacesDirty, + bool bBufferedUpdate ) const; + + private: + virtual ::basegfx::B2DPolyPolygon polyPolygonFromXPolyPolygon2D( + ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XPolyPolygon2D >& xPoly ) const; + + + SpriteCanvasRef mpSpriteCanvas; + ::cairo::SurfaceSharedPtr mpBufferSurface; + mutable bool mbTextureDirty; // when true, texture needs update + }; +} + +#endif /* _CAIROCANVAS_SPRITEHELPER_HXX */ |