d601d16d2d
2007/02/20 22:23:09 thb 1.3.48.1: #i37778# Added XCanvas::clear() method throughout all implementations
134 lines
4.7 KiB
C++
134 lines
4.7 KiB
C++
/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: spritehelper.hxx,v $
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*
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* $Revision: 1.4 $
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*
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* last change: $Author: obo $ $Date: 2007-07-17 14:26:50 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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************************************************************************/
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#ifndef _VCLCANVAS_SPRITEHELPER_HXX
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#define _VCLCANVAS_SPRITEHELPER_HXX
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#include <com/sun/star/rendering/XCustomSprite.hpp>
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#include <vcl/virdev.hxx>
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#include <canvas/base/canvascustomspritehelper.hxx>
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#include <canvas/vclwrapper.hxx>
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#include "backbuffer.hxx"
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#include "impltools.hxx"
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#include "spritecanvas.hxx"
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namespace vclcanvas
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{
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/* Definition of SpriteHelper class */
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/** Helper class for canvas sprites.
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This class implements all sprite-related functionality, like
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that available on the XSprite interface.
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*/
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class SpriteHelper : public ::canvas::CanvasCustomSpriteHelper
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{
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public:
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SpriteHelper();
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// make CanvasCustomSpriteHelper::init visible for name lookup
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using ::canvas::CanvasCustomSpriteHelper::init;
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/** Late-init the sprite helper
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@param rSpriteSize
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Size of the sprite
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@param rSpriteCanvas
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Sprite canvas this sprite is part of. Object stores
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ref-counted reference to it, thus, don't forget to pass on
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disposing()!
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@param rBackBuffer
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Buffer of the sprite content (non-alpha part)
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@param rBackBufferMask
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Buffer of the sprite content (alpha part)
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*/
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void init( const ::com::sun::star::geometry::RealSize2D& rSpriteSize,
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const SpriteCanvasRef& rSpriteCanvas,
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const BackBufferSharedPtr& rBackBuffer,
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const BackBufferSharedPtr& rBackBufferMask,
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bool bShowSpriteBounds );
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void disposing();
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/** Repaint sprite content to associated sprite canvas
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@param rPos
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Output position (sprite's own position is disregarded)
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@param io_bSurfacesDirty
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When true, the referenced sprite surfaces (backBuffer and
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backBufferMask) have been modified since last call.
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@param bBufferedUpdate
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When true, the redraw does <em>not</em> happen directly on
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the front buffer, but within a VDev. Used to speed up
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drawing.
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*/
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void redraw( OutputDevice& rOutDev,
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const ::basegfx::B2DPoint& rPos,
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bool& bSurfacesDirty,
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bool bBufferedUpdate ) const;
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private:
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virtual ::basegfx::B2DPolyPolygon polyPolygonFromXPolyPolygon2D(
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::com::sun::star::uno::Reference< ::com::sun::star::rendering::XPolyPolygon2D >& xPoly ) const;
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// for the redraw
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BackBufferSharedPtr mpBackBuffer;
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BackBufferSharedPtr mpBackBufferMask;
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// necessary to avoid downcasts later on (Sprite interface
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// only gets passed ptr to SpriteSurface interface, not
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// concrete implementations)
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SpriteCanvasRef mpSpriteCanvas;
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/// Cached bitmap for the current sprite content
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mutable ::canvas::vcltools::VCLObject<BitmapEx> maContent;
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/// When true, line sprite corners in red
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bool mbShowSpriteBounds;
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};
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}
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#endif /* _VCLCANVAS_SPRITEHELPER_HXX */
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