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/*************************************************************************
*
* 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 _VCLCANVAS_SPRITEHELPER_HXX
#define _VCLCANVAS_SPRITEHELPER_HXX
#include <com/sun/star/rendering/XCustomSprite.hpp>
#include <vcl/virdev.hxx>
#include <canvas/base/canvascustomspritehelper.hxx>
#include <canvas/base/spritesurface.hxx>
#include <canvas/vclwrapper.hxx>
#include "backbuffer.hxx"
#include "impltools.hxx"
#include "spritecanvas.hxx"
namespace vclcanvas
{
/* 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:
SpriteHelper();
// make CanvasCustomSpriteHelper::init visible for name lookup
using ::canvas::CanvasCustomSpriteHelper::init;
/** 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 rBackBuffer
Buffer of the sprite content (non-alpha part)
@param rBackBufferMask
Buffer of the sprite content (alpha part)
*/
void init( const ::com::sun::star::geometry::RealSize2D& rSpriteSize,
const ::canvas::SpriteSurface::Reference& rOwningSpriteCanvas,
const BackBufferSharedPtr& rBackBuffer,
const BackBufferSharedPtr& rBackBufferMask,
bool bShowSpriteBounds );
void disposing();
/** 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( OutputDevice& rOutDev,
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;
// for the redraw
BackBufferSharedPtr mpBackBuffer;
BackBufferSharedPtr mpBackBufferMask;
/// Cached bitmap for the current sprite content
mutable ::canvas::vcltools::VCLObject<BitmapEx> maContent;
/// When true, line sprite corners in red
bool mbShowSpriteBounds;
};
}
#endif /* _VCLCANVAS_SPRITEHELPER_HXX */
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