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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: zbufferprocessor3d.hxx,v $
*
* $Revision: 1.4 $
*
* last change: $Author: aw $ $Date: 2008-06-24 15:30:18 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library 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 for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/
#ifndef INCLUDED_DRAWINGLAYER_PROCESSOR3D_ZBUFFERPROCESSOR3D_HXX
#define INCLUDED_DRAWINGLAYER_PROCESSOR3D_ZBUFFERPROCESSOR3D_HXX
#include <drawinglayer/processor3d/defaultprocessor3d.hxx>
#include <vcl/bitmapex.hxx>
//////////////////////////////////////////////////////////////////////////////
// predefines
namespace basegfx {
class BZPixelRaster;
}
namespace drawinglayer {
namespace attribute {
class SdrSceneAttribute;
class SdrLightingAttribute;
class MaterialAttribute3D;
}
namespace geometry {
class ViewInformation2D;
}
}
class ZBufferRasterConverter3D;
//////////////////////////////////////////////////////////////////////////////
namespace drawinglayer
{
namespace processor3d
{
class ZBufferProcessor3D : public DefaultProcessor3D
{
private:
// the raster target, a Z-Buffer
basegfx::BZPixelRaster* mpBZPixelRaster;
// inverse of EyeToView for rasterconversion with evtl. Phong shading
basegfx::B3DHomMatrix maInvEyeToView;
// The raster converter for Z-Buffer
ZBufferRasterConverter3D* mpZBufferRasterConverter3D;
// AA value. Defines how many oversmples will be used in X and Y. Values 0, 1
// will switch it off while e.g. 2 will use 2x2 pixels for each pixel to create
sal_uInt16 mnAntiAlialize;
// bitfield
// a combination of bools to allow two-pass rendering to render
// the transparent parts in the 2nd run (if any) as needed for Z-Buffer
unsigned mbProcessTransparent : 1;
unsigned mbContainsTransparent : 1;
//////////////////////////////////////////////////////////////////////////////
// rasterconversions for filled and non-filled polygons
virtual void rasterconvertB3DPolygon(const attribute::MaterialAttribute3D& rMaterial, const basegfx::B3DPolygon& rHairline) const;
virtual void rasterconvertB3DPolyPolygon(const attribute::MaterialAttribute3D& rMaterial, const basegfx::B3DPolyPolygon& rFill) const;
// the processing method for a single, known primitive
virtual void processBasePrimitive3D(const primitive3d::BasePrimitive3D& rBasePrimitive);
public:
ZBufferProcessor3D(
const geometry::ViewInformation3D& rViewInformation3D,
const geometry::ViewInformation2D& rViewInformation2D,
const attribute::SdrSceneAttribute& rSdrSceneAttribute,
const attribute::SdrLightingAttribute& rSdrLightingAttribute,
double fSizeX,
double fSizeY,
const basegfx::B2DRange& rVisiblePart,
sal_uInt16 nAntiAlialize);
virtual ~ZBufferProcessor3D();
// helpers for drawing transparent parts in 2nd run. To use this
// processor, call processNonTransparent and then processTransparent
// with the same primitives. The 2nd call will only do something,
// when transparent parts are contained
void processNonTransparent(const primitive3d::Primitive3DSequence& rSource);
void processTransparent(const primitive3d::Primitive3DSequence& rSource);
// get the result as bitmapEx
BitmapEx getBitmapEx() const;
};
} // end of namespace processor3d
} // end of namespace drawinglayer
//////////////////////////////////////////////////////////////////////////////
#endif //INCLUDED_DRAWINGLAYER_PROCESSOR3D_ZBUFFERPROCESSOR3D_HXX
// eof
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