forked from amazingfate/loongoffice
2c85769d94
checking the body of ReleaseAccess in vcl its safe to pass NULL to them, so keep it simple Change-Id: I5f057f9c79f0787d670869af4114c989e7f1562a
821 lines
36 KiB
C++
821 lines
36 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <drawinglayer/processor3d/zbufferprocessor3d.hxx>
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#include <basegfx/raster/bpixelraster.hxx>
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#include <vcl/bmpacc.hxx>
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#include <basegfx/raster/rasterconvert3d.hxx>
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#include <basegfx/raster/bzpixelraster.hxx>
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#include <drawinglayer/attribute/materialattribute3d.hxx>
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#include <drawinglayer/texture/texture.hxx>
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#include <drawinglayer/primitive3d/drawinglayer_primitivetypes3d.hxx>
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#include <drawinglayer/primitive3d/textureprimitive3d.hxx>
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#include <drawinglayer/primitive3d/polygonprimitive3d.hxx>
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#include <drawinglayer/primitive3d/polypolygonprimitive3d.hxx>
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#include <drawinglayer/geometry/viewinformation2d.hxx>
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#include <basegfx/polygon/b3dpolygontools.hxx>
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#include <basegfx/polygon/b3dpolypolygontools.hxx>
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#include <drawinglayer/attribute/sdrlightingattribute3d.hxx>
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//////////////////////////////////////////////////////////////////////////////
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using namespace com::sun::star;
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//////////////////////////////////////////////////////////////////////////////
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namespace
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{
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BitmapEx BPixelRasterToBitmapEx(const basegfx::BPixelRaster& rRaster, sal_uInt16 mnAntiAlialize)
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{
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BitmapEx aRetval;
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const sal_uInt32 nWidth(mnAntiAlialize ? rRaster.getWidth()/mnAntiAlialize : rRaster.getWidth());
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const sal_uInt32 nHeight(mnAntiAlialize ? rRaster.getHeight()/mnAntiAlialize : rRaster.getHeight());
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if(nWidth && nHeight)
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{
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const Size aDestSize(nWidth, nHeight);
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sal_uInt8 nInitAlpha(255);
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Bitmap aContent(aDestSize, 24);
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AlphaMask aAlpha(aDestSize, &nInitAlpha);
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BitmapWriteAccess* pContent = aContent.AcquireWriteAccess();
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BitmapWriteAccess* pAlpha = aAlpha.AcquireWriteAccess();
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if (pContent && pAlpha)
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{
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if(mnAntiAlialize)
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{
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const sal_uInt16 nDivisor(mnAntiAlialize * mnAntiAlialize);
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for(sal_uInt32 y(0L); y < nHeight; y++)
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{
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for(sal_uInt32 x(0L); x < nWidth; x++)
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{
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sal_uInt16 nRed(0);
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sal_uInt16 nGreen(0);
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sal_uInt16 nBlue(0);
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sal_uInt16 nOpacity(0);
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sal_uInt32 nIndex(rRaster.getIndexFromXY(x * mnAntiAlialize, y * mnAntiAlialize));
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for(sal_uInt32 c(0); c < mnAntiAlialize; c++)
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{
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for(sal_uInt32 d(0); d < mnAntiAlialize; d++)
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{
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const basegfx::BPixel& rPixel(rRaster.getBPixel(nIndex++));
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nRed = nRed + rPixel.getRed();
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nGreen = nGreen + rPixel.getGreen();
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nBlue = nBlue + rPixel.getBlue();
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nOpacity = nOpacity + rPixel.getOpacity();
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}
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nIndex += rRaster.getWidth() - mnAntiAlialize;
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}
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nOpacity = nOpacity / nDivisor;
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if(nOpacity)
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{
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pContent->SetPixel(y, x, BitmapColor(
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(sal_uInt8)(nRed / nDivisor),
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(sal_uInt8)(nGreen / nDivisor),
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(sal_uInt8)(nBlue / nDivisor)));
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pAlpha->SetPixel(y, x, BitmapColor(255 - (sal_uInt8)nOpacity));
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}
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}
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}
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}
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else
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{
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sal_uInt32 nIndex(0L);
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for(sal_uInt32 y(0L); y < nHeight; y++)
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{
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for(sal_uInt32 x(0L); x < nWidth; x++)
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{
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const basegfx::BPixel& rPixel(rRaster.getBPixel(nIndex++));
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if(rPixel.getOpacity())
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{
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pContent->SetPixel(y, x, BitmapColor(rPixel.getRed(), rPixel.getGreen(), rPixel.getBlue()));
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pAlpha->SetPixel(y, x, BitmapColor(255 - rPixel.getOpacity()));
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}
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}
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}
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}
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}
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aAlpha.ReleaseAccess(pAlpha);
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aContent.ReleaseAccess(pContent);
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aRetval = BitmapEx(aContent, aAlpha);
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// #i101811# set PrefMapMode and PrefSize at newly created Bitmap
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aRetval.SetPrefMapMode(MAP_PIXEL);
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aRetval.SetPrefSize(Size(nWidth, nHeight));
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}
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return aRetval;
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}
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} // end of anonymous namespace
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//////////////////////////////////////////////////////////////////////////////
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class ZBufferRasterConverter3D : public basegfx::RasterConverter3D
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{
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private:
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const drawinglayer::processor3d::DefaultProcessor3D& mrProcessor;
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basegfx::BZPixelRaster& mrBuffer;
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// interpolators for a single line span
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basegfx::ip_single maIntZ;
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basegfx::ip_triple maIntColor;
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basegfx::ip_triple maIntNormal;
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basegfx::ip_double maIntTexture;
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basegfx::ip_triple maIntInvTexture;
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// current material to use for ratsreconversion
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const drawinglayer::attribute::MaterialAttribute3D* mpCurrentMaterial;
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// bitfield
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// some boolean flags for line span interpolator usages
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unsigned mbModifyColor : 1;
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unsigned mbUseTex : 1;
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unsigned mbHasTexCoor : 1;
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unsigned mbHasInvTexCoor : 1;
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unsigned mbUseNrm : 1;
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unsigned mbUseCol : 1;
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void getTextureCoor(basegfx::B2DPoint& rTarget) const
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{
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if(mbHasTexCoor)
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{
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rTarget.setX(maIntTexture.getX().getVal());
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rTarget.setY(maIntTexture.getY().getVal());
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}
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else if(mbHasInvTexCoor)
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{
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const double fZFactor(maIntInvTexture.getZ().getVal());
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const double fInvZFactor(basegfx::fTools::equalZero(fZFactor) ? 1.0 : 1.0 / fZFactor);
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rTarget.setX(maIntInvTexture.getX().getVal() * fInvZFactor);
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rTarget.setY(maIntInvTexture.getY().getVal() * fInvZFactor);
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}
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}
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void incrementLineSpanInterpolators(double fStep)
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{
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maIntZ.increment(fStep);
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if(mbUseTex)
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{
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if(mbHasTexCoor)
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{
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maIntTexture.increment(fStep);
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}
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else if(mbHasInvTexCoor)
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{
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maIntInvTexture.increment(fStep);
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}
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}
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if(mbUseNrm)
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{
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maIntNormal.increment(fStep);
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}
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if(mbUseCol)
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{
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maIntColor.increment(fStep);
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}
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}
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double decideColorAndOpacity(basegfx::BColor& rColor)
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{
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// init values with full opacity and material color
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OSL_ENSURE(0 != mpCurrentMaterial, "CurrentMaterial not set (!)");
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double fOpacity(1.0);
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rColor = mpCurrentMaterial->getColor();
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if(mbUseTex)
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{
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basegfx::B2DPoint aTexCoor(0.0, 0.0);
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getTextureCoor(aTexCoor);
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if(mrProcessor.getGeoTexSvx().get())
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{
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// calc color in spot. This may also set to invisible already when
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// e.g. bitmap textures have transparent parts
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mrProcessor.getGeoTexSvx()->modifyBColor(aTexCoor, rColor, fOpacity);
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}
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if(basegfx::fTools::more(fOpacity, 0.0) && mrProcessor.getTransparenceGeoTexSvx().get())
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{
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// calc opacity. Object has a 2nd texture, a transparence texture
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mrProcessor.getTransparenceGeoTexSvx()->modifyOpacity(aTexCoor, fOpacity);
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}
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}
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if(basegfx::fTools::more(fOpacity, 0.0))
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{
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if(mrProcessor.getGeoTexSvx().get())
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{
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if(mbUseNrm)
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{
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// blend texture with phong
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rColor = mrProcessor.getSdrLightingAttribute().solveColorModel(
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basegfx::B3DVector(maIntNormal.getX().getVal(), maIntNormal.getY().getVal(), maIntNormal.getZ().getVal()),
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rColor,
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mpCurrentMaterial->getSpecular(),
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mpCurrentMaterial->getEmission(),
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mpCurrentMaterial->getSpecularIntensity());
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}
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else if(mbUseCol)
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{
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// blend texture with gouraud
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basegfx::BColor aBlendColor(maIntColor.getX().getVal(), maIntColor.getY().getVal(), maIntColor.getZ().getVal());
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rColor *= aBlendColor;
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}
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else if(mrProcessor.getModulate())
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{
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// blend texture with single material color
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rColor *= mpCurrentMaterial->getColor();
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}
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}
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else
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{
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if(mbUseNrm)
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{
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// modify color with phong
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rColor = mrProcessor.getSdrLightingAttribute().solveColorModel(
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basegfx::B3DVector(maIntNormal.getX().getVal(), maIntNormal.getY().getVal(), maIntNormal.getZ().getVal()),
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rColor,
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mpCurrentMaterial->getSpecular(),
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mpCurrentMaterial->getEmission(),
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mpCurrentMaterial->getSpecularIntensity());
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}
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else if(mbUseCol)
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{
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// modify color with gouraud
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rColor.setRed(maIntColor.getX().getVal());
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rColor.setGreen(maIntColor.getY().getVal());
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rColor.setBlue(maIntColor.getZ().getVal());
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}
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}
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if(mbModifyColor)
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{
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rColor = mrProcessor.getBColorModifierStack().getModifiedColor(rColor);
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}
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}
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return fOpacity;
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}
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void setupLineSpanInterpolators(const basegfx::RasterConversionLineEntry3D& rA, const basegfx::RasterConversionLineEntry3D& rB)
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{
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// get inverse XDelta
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const double xInvDelta(1.0 / (rB.getX().getVal() - rA.getX().getVal()));
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// prepare Z-interpolator
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const double fZA(rA.getZ().getVal());
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const double fZB(rB.getZ().getVal());
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maIntZ = basegfx::ip_single(fZA, (fZB - fZA) * xInvDelta);
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// get bools and init other interpolators on demand accordingly
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mbModifyColor = mrProcessor.getBColorModifierStack().count();
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mbHasTexCoor = SCANLINE_EMPTY_INDEX != rA.getTextureIndex() && SCANLINE_EMPTY_INDEX != rB.getTextureIndex();
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mbHasInvTexCoor = SCANLINE_EMPTY_INDEX != rA.getInverseTextureIndex() && SCANLINE_EMPTY_INDEX != rB.getInverseTextureIndex();
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const bool bTextureActive(mrProcessor.getGeoTexSvx().get() || mrProcessor.getTransparenceGeoTexSvx().get());
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mbUseTex = bTextureActive && (mbHasTexCoor || mbHasInvTexCoor || mrProcessor.getSimpleTextureActive());
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const bool bUseColorTex(mbUseTex && mrProcessor.getGeoTexSvx().get());
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const bool bNeedNrmOrCol(!bUseColorTex || (bUseColorTex && mrProcessor.getModulate()));
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mbUseNrm = bNeedNrmOrCol && SCANLINE_EMPTY_INDEX != rA.getNormalIndex() && SCANLINE_EMPTY_INDEX != rB.getNormalIndex();
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mbUseCol = !mbUseNrm && bNeedNrmOrCol && SCANLINE_EMPTY_INDEX != rA.getColorIndex() && SCANLINE_EMPTY_INDEX != rB.getColorIndex();
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if(mbUseTex)
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{
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if(mbHasTexCoor)
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{
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const basegfx::ip_double& rTA(getTextureInterpolators()[rA.getTextureIndex()]);
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const basegfx::ip_double& rTB(getTextureInterpolators()[rB.getTextureIndex()]);
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maIntTexture = basegfx::ip_double(
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rTA.getX().getVal(), (rTB.getX().getVal() - rTA.getX().getVal()) * xInvDelta,
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rTA.getY().getVal(), (rTB.getY().getVal() - rTA.getY().getVal()) * xInvDelta);
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}
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else if(mbHasInvTexCoor)
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{
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const basegfx::ip_triple& rITA(getInverseTextureInterpolators()[rA.getInverseTextureIndex()]);
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const basegfx::ip_triple& rITB(getInverseTextureInterpolators()[rB.getInverseTextureIndex()]);
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maIntInvTexture = basegfx::ip_triple(
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rITA.getX().getVal(), (rITB.getX().getVal() - rITA.getX().getVal()) * xInvDelta,
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rITA.getY().getVal(), (rITB.getY().getVal() - rITA.getY().getVal()) * xInvDelta,
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rITA.getZ().getVal(), (rITB.getZ().getVal() - rITA.getZ().getVal()) * xInvDelta);
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}
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}
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if(mbUseNrm)
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{
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const basegfx::ip_triple& rNA(getNormalInterpolators()[rA.getNormalIndex()]);
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const basegfx::ip_triple& rNB(getNormalInterpolators()[rB.getNormalIndex()]);
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maIntNormal = basegfx::ip_triple(
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rNA.getX().getVal(), (rNB.getX().getVal() - rNA.getX().getVal()) * xInvDelta,
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rNA.getY().getVal(), (rNB.getY().getVal() - rNA.getY().getVal()) * xInvDelta,
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rNA.getZ().getVal(), (rNB.getZ().getVal() - rNA.getZ().getVal()) * xInvDelta);
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}
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if(mbUseCol)
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{
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const basegfx::ip_triple& rCA(getColorInterpolators()[rA.getColorIndex()]);
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const basegfx::ip_triple& rCB(getColorInterpolators()[rB.getColorIndex()]);
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maIntColor = basegfx::ip_triple(
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rCA.getX().getVal(), (rCB.getX().getVal() - rCA.getX().getVal()) * xInvDelta,
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rCA.getY().getVal(), (rCB.getY().getVal() - rCA.getY().getVal()) * xInvDelta,
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rCA.getZ().getVal(), (rCB.getZ().getVal() - rCA.getZ().getVal()) * xInvDelta);
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}
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}
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virtual void processLineSpan(const basegfx::RasterConversionLineEntry3D& rA, const basegfx::RasterConversionLineEntry3D& rB, sal_Int32 nLine, sal_uInt32 nSpanCount);
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public:
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ZBufferRasterConverter3D(basegfx::BZPixelRaster& rBuffer, const drawinglayer::processor3d::ZBufferProcessor3D& rProcessor)
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: basegfx::RasterConverter3D(),
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mrProcessor(rProcessor),
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mrBuffer(rBuffer),
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maIntZ(),
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maIntColor(),
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maIntNormal(),
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maIntTexture(),
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maIntInvTexture(),
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mpCurrentMaterial(0),
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mbModifyColor(false),
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mbUseTex(false),
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mbHasTexCoor(false),
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mbHasInvTexCoor(false),
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mbUseNrm(false),
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mbUseCol(false)
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{}
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void setCurrentMaterial(const drawinglayer::attribute::MaterialAttribute3D& rMaterial)
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{
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mpCurrentMaterial = &rMaterial;
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}
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};
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void ZBufferRasterConverter3D::processLineSpan(const basegfx::RasterConversionLineEntry3D& rA, const basegfx::RasterConversionLineEntry3D& rB, sal_Int32 nLine, sal_uInt32 nSpanCount)
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{
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if(!(nSpanCount & 0x0001))
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{
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if(nLine >= 0 && nLine < (sal_Int32)mrBuffer.getHeight())
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{
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sal_uInt32 nXA(::std::min(mrBuffer.getWidth(), (sal_uInt32)::std::max((sal_Int32)0, basegfx::fround(rA.getX().getVal()))));
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const sal_uInt32 nXB(::std::min(mrBuffer.getWidth(), (sal_uInt32)::std::max((sal_Int32)0, basegfx::fround(rB.getX().getVal()))));
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if(nXA < nXB)
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{
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// prepare the span interpolators
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setupLineSpanInterpolators(rA, rB);
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// bring span interpolators to start condition by incrementing with the possible difference of
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// clamped and non-clamped XStart. Interpolators are setup relying on double precision
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// X-values, so that difference is the correct value to compensate for possible clampings
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incrementLineSpanInterpolators(static_cast<double>(nXA) - rA.getX().getVal());
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// prepare scanline index
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sal_uInt32 nScanlineIndex(mrBuffer.getIndexFromXY(nXA, static_cast<sal_uInt32>(nLine)));
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basegfx::BColor aNewColor;
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while(nXA < nXB)
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{
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// early-test Z values if we need to do anything at all
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const double fNewZ(::std::max(0.0, ::std::min((double)0xffff, maIntZ.getVal())));
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const sal_uInt16 nNewZ(static_cast< sal_uInt16 >(fNewZ));
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sal_uInt16& rOldZ(mrBuffer.getZ(nScanlineIndex));
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if(nNewZ > rOldZ)
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{
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// detect color and opacity for this pixel
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const sal_uInt16 nOpacity(::std::max((sal_Int16)0, static_cast< sal_Int16 >(decideColorAndOpacity(aNewColor) * 255.0)));
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if(nOpacity > 0)
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{
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// avoid color overrun
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aNewColor.clamp();
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if(nOpacity >= 0x00ff)
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{
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// full opacity (not transparent), set z and color
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rOldZ = nNewZ;
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mrBuffer.getBPixel(nScanlineIndex) = basegfx::BPixel(aNewColor, 0xff);
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}
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else
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{
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basegfx::BPixel& rDest = mrBuffer.getBPixel(nScanlineIndex);
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if(rDest.getOpacity())
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{
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// mix new color by using
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// color' = color * (1 - opacity) + newcolor * opacity
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const sal_uInt16 nTransparence(0x0100 - nOpacity);
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rDest.setRed((sal_uInt8)(((rDest.getRed() * nTransparence) + ((sal_uInt16)(255.0 * aNewColor.getRed()) * nOpacity)) >> 8));
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rDest.setGreen((sal_uInt8)(((rDest.getGreen() * nTransparence) + ((sal_uInt16)(255.0 * aNewColor.getGreen()) * nOpacity)) >> 8));
|
|
rDest.setBlue((sal_uInt8)(((rDest.getBlue() * nTransparence) + ((sal_uInt16)(255.0 * aNewColor.getBlue()) * nOpacity)) >> 8));
|
|
|
|
if(0xff != rDest.getOpacity())
|
|
{
|
|
// both are transparent, mix new opacity by using
|
|
// opacity = newopacity * (1 - oldopacity) + oldopacity
|
|
rDest.setOpacity(((sal_uInt8)((nOpacity * (0x0100 - rDest.getOpacity())) >> 8)) + rDest.getOpacity());
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// dest is unused, set color
|
|
rDest = basegfx::BPixel(aNewColor, (sal_uInt8)nOpacity);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// increments
|
|
nScanlineIndex++;
|
|
nXA++;
|
|
incrementLineSpanInterpolators(1.0);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
// helper class to buffer output for transparent rasterprimitives (filled areas
|
|
// and lines) until the end of processing. To ensure correct transparent
|
|
// visualisation, ZBuffers require to not set Z and to mix with the transparent
|
|
// color. If transparent rasterprimitives overlap, it gets necessary to
|
|
// paint transparent rasterprimitives from back to front to ensure that the
|
|
// mixing happens from back to front. For that purpose, transparent
|
|
// rasterprimitives are held in this class during the processing run, remember
|
|
// all data and will be rendered
|
|
|
|
class RasterPrimitive3D
|
|
{
|
|
private:
|
|
boost::shared_ptr< drawinglayer::texture::GeoTexSvx > mpGeoTexSvx;
|
|
boost::shared_ptr< drawinglayer::texture::GeoTexSvx > mpTransparenceGeoTexSvx;
|
|
drawinglayer::attribute::MaterialAttribute3D maMaterial;
|
|
basegfx::B3DPolyPolygon maPolyPolygon;
|
|
double mfCenterZ;
|
|
|
|
// bitfield
|
|
bool mbModulate : 1;
|
|
bool mbFilter : 1;
|
|
bool mbSimpleTextureActive : 1;
|
|
bool mbIsLine : 1;
|
|
|
|
public:
|
|
RasterPrimitive3D(
|
|
const boost::shared_ptr< drawinglayer::texture::GeoTexSvx >& pGeoTexSvx,
|
|
const boost::shared_ptr< drawinglayer::texture::GeoTexSvx >& pTransparenceGeoTexSvx,
|
|
const drawinglayer::attribute::MaterialAttribute3D& rMaterial,
|
|
const basegfx::B3DPolyPolygon& rPolyPolygon,
|
|
bool bModulate,
|
|
bool bFilter,
|
|
bool bSimpleTextureActive,
|
|
bool bIsLine)
|
|
: mpGeoTexSvx(pGeoTexSvx),
|
|
mpTransparenceGeoTexSvx(pTransparenceGeoTexSvx),
|
|
maMaterial(rMaterial),
|
|
maPolyPolygon(rPolyPolygon),
|
|
mfCenterZ(basegfx::tools::getRange(rPolyPolygon).getCenter().getZ()),
|
|
mbModulate(bModulate),
|
|
mbFilter(bFilter),
|
|
mbSimpleTextureActive(bSimpleTextureActive),
|
|
mbIsLine(bIsLine)
|
|
{
|
|
}
|
|
|
|
RasterPrimitive3D& operator=(const RasterPrimitive3D& rComp)
|
|
{
|
|
mpGeoTexSvx = rComp.mpGeoTexSvx;
|
|
mpTransparenceGeoTexSvx = rComp.mpTransparenceGeoTexSvx;
|
|
maMaterial = rComp.maMaterial;
|
|
maPolyPolygon = rComp.maPolyPolygon;
|
|
mfCenterZ = rComp.mfCenterZ;
|
|
mbModulate = rComp.mbModulate;
|
|
mbFilter = rComp.mbFilter;
|
|
mbSimpleTextureActive = rComp.mbSimpleTextureActive;
|
|
mbIsLine = rComp.mbIsLine;
|
|
|
|
return *this;
|
|
}
|
|
|
|
bool operator<(const RasterPrimitive3D& rComp) const
|
|
{
|
|
return mfCenterZ < rComp.mfCenterZ;
|
|
}
|
|
|
|
const boost::shared_ptr< drawinglayer::texture::GeoTexSvx >& getGeoTexSvx() const { return mpGeoTexSvx; }
|
|
const boost::shared_ptr< drawinglayer::texture::GeoTexSvx >& getTransparenceGeoTexSvx() const { return mpTransparenceGeoTexSvx; }
|
|
const drawinglayer::attribute::MaterialAttribute3D& getMaterial() const { return maMaterial; }
|
|
const basegfx::B3DPolyPolygon& getPolyPolygon() const { return maPolyPolygon; }
|
|
bool getModulate() const { return mbModulate; }
|
|
bool getFilter() const { return mbFilter; }
|
|
bool getSimpleTextureActive() const { return mbSimpleTextureActive; }
|
|
bool getIsLine() const { return mbIsLine; }
|
|
};
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
namespace drawinglayer
|
|
{
|
|
namespace processor3d
|
|
{
|
|
void ZBufferProcessor3D::rasterconvertB3DPolygon(const attribute::MaterialAttribute3D& rMaterial, const basegfx::B3DPolygon& rHairline) const
|
|
{
|
|
if(mpBZPixelRaster)
|
|
{
|
|
if(getTransparenceCounter())
|
|
{
|
|
// transparent output; record for later sorting and painting from
|
|
// back to front
|
|
if(!mpRasterPrimitive3Ds)
|
|
{
|
|
const_cast< ZBufferProcessor3D* >(this)->mpRasterPrimitive3Ds = new std::vector< RasterPrimitive3D >;
|
|
}
|
|
|
|
mpRasterPrimitive3Ds->push_back(RasterPrimitive3D(
|
|
getGeoTexSvx(),
|
|
getTransparenceGeoTexSvx(),
|
|
rMaterial,
|
|
basegfx::B3DPolyPolygon(rHairline),
|
|
getModulate(),
|
|
getFilter(),
|
|
getSimpleTextureActive(),
|
|
true));
|
|
}
|
|
else
|
|
{
|
|
// do rasterconversion
|
|
mpZBufferRasterConverter3D->setCurrentMaterial(rMaterial);
|
|
|
|
if(mnAntiAlialize > 1)
|
|
{
|
|
const bool bForceLineSnap(getOptionsDrawinglayer().IsAntiAliasing() && getOptionsDrawinglayer().IsSnapHorVerLinesToDiscrete());
|
|
|
|
if(bForceLineSnap)
|
|
{
|
|
basegfx::B3DHomMatrix aTransform;
|
|
basegfx::B3DPolygon aSnappedHairline(rHairline);
|
|
const double fScaleDown(1.0 / mnAntiAlialize);
|
|
const double fScaleUp(mnAntiAlialize);
|
|
|
|
// take oversampling out
|
|
aTransform.scale(fScaleDown, fScaleDown, 1.0);
|
|
aSnappedHairline.transform(aTransform);
|
|
|
|
// snap to integer
|
|
aSnappedHairline = basegfx::tools::snapPointsOfHorizontalOrVerticalEdges(aSnappedHairline);
|
|
|
|
// add oversampling again
|
|
aTransform.identity();
|
|
aTransform.scale(fScaleUp, fScaleUp, 1.0);
|
|
|
|
aSnappedHairline.transform(aTransform);
|
|
|
|
mpZBufferRasterConverter3D->rasterconvertB3DPolygon(aSnappedHairline, 0, mpBZPixelRaster->getHeight(), mnAntiAlialize);
|
|
}
|
|
else
|
|
{
|
|
mpZBufferRasterConverter3D->rasterconvertB3DPolygon(rHairline, 0, mpBZPixelRaster->getHeight(), mnAntiAlialize);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
mpZBufferRasterConverter3D->rasterconvertB3DPolygon(rHairline, 0, mpBZPixelRaster->getHeight(), 1);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void ZBufferProcessor3D::rasterconvertB3DPolyPolygon(const attribute::MaterialAttribute3D& rMaterial, const basegfx::B3DPolyPolygon& rFill) const
|
|
{
|
|
if(mpBZPixelRaster)
|
|
{
|
|
if(getTransparenceCounter())
|
|
{
|
|
// transparent output; record for later sorting and painting from
|
|
// back to front
|
|
if(!mpRasterPrimitive3Ds)
|
|
{
|
|
const_cast< ZBufferProcessor3D* >(this)->mpRasterPrimitive3Ds = new std::vector< RasterPrimitive3D >;
|
|
}
|
|
|
|
mpRasterPrimitive3Ds->push_back(RasterPrimitive3D(
|
|
getGeoTexSvx(),
|
|
getTransparenceGeoTexSvx(),
|
|
rMaterial,
|
|
rFill,
|
|
getModulate(),
|
|
getFilter(),
|
|
getSimpleTextureActive(),
|
|
false));
|
|
}
|
|
else
|
|
{
|
|
mpZBufferRasterConverter3D->setCurrentMaterial(rMaterial);
|
|
mpZBufferRasterConverter3D->rasterconvertB3DPolyPolygon(rFill, &maInvEyeToView, 0, mpBZPixelRaster->getHeight());
|
|
}
|
|
}
|
|
}
|
|
|
|
ZBufferProcessor3D::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)
|
|
: DefaultProcessor3D(rViewInformation3D, rSdrSceneAttribute, rSdrLightingAttribute),
|
|
mpBZPixelRaster(0),
|
|
maInvEyeToView(),
|
|
mpZBufferRasterConverter3D(0),
|
|
mnAntiAlialize(nAntiAlialize),
|
|
mpRasterPrimitive3Ds(0)
|
|
{
|
|
// generate ViewSizes
|
|
const double fFullViewSizeX((rViewInformation2D.getObjectToViewTransformation() * basegfx::B2DVector(fSizeX, 0.0)).getLength());
|
|
const double fFullViewSizeY((rViewInformation2D.getObjectToViewTransformation() * basegfx::B2DVector(0.0, fSizeY)).getLength());
|
|
const double fViewSizeX(fFullViewSizeX * rVisiblePart.getWidth());
|
|
const double fViewSizeY(fFullViewSizeY * rVisiblePart.getHeight());
|
|
|
|
// generate RasterWidth and RasterHeight
|
|
const sal_uInt32 nRasterWidth((sal_uInt32)basegfx::fround(fViewSizeX) + 1);
|
|
const sal_uInt32 nRasterHeight((sal_uInt32)basegfx::fround(fViewSizeY) + 1);
|
|
|
|
if(nRasterWidth && nRasterHeight)
|
|
{
|
|
// create view unit buffer
|
|
mpBZPixelRaster = new basegfx::BZPixelRaster(
|
|
mnAntiAlialize ? nRasterWidth * mnAntiAlialize : nRasterWidth,
|
|
mnAntiAlialize ? nRasterHeight * mnAntiAlialize : nRasterHeight);
|
|
OSL_ENSURE(mpBZPixelRaster, "ZBufferProcessor3D: Could not allocate basegfx::BZPixelRaster (!)");
|
|
|
|
// create DeviceToView for Z-Buffer renderer since Z is handled
|
|
// different from standard 3D transformations (Z is mirrored). Also
|
|
// the transformation includes the step from unit device coordinates
|
|
// to discrete units ([-1.0 .. 1.0] -> [minDiscrete .. maxDiscrete]
|
|
|
|
basegfx::B3DHomMatrix aDeviceToView;
|
|
|
|
{
|
|
// step one:
|
|
//
|
|
// bring from [-1.0 .. 1.0] in X,Y and Z to [0.0 .. 1.0]. Also
|
|
// necessary to
|
|
// - flip Y due to screen orientation
|
|
// - flip Z due to Z-Buffer orientation from back to front
|
|
|
|
aDeviceToView.scale(0.5, -0.5, -0.5);
|
|
aDeviceToView.translate(0.5, 0.5, 0.5);
|
|
}
|
|
|
|
{
|
|
// step two:
|
|
//
|
|
// bring from [0.0 .. 1.0] in X,Y and Z to view cordinates
|
|
//
|
|
// #i102611#
|
|
// also: scale Z to [1.5 .. 65534.5]. Normally, a range of [0.0 .. 65535.0]
|
|
// could be used, but a 'unused' value is needed, so '0' is used what reduces
|
|
// the range to [1.0 .. 65535.0]. It has also shown that small numerical errors
|
|
// (smaller as basegfx::fTools::mfSmallValue, which is 0.000000001) happen.
|
|
// Instead of checking those by basegfx::fTools methods which would cost
|
|
// runtime, just add another 0.5 tolerance to the start and end of the Z-Buffer
|
|
// range, thus resulting in [1.5 .. 65534.5]
|
|
const double fMaxZDepth(65533.0);
|
|
aDeviceToView.translate(-rVisiblePart.getMinX(), -rVisiblePart.getMinY(), 0.0);
|
|
|
|
if(mnAntiAlialize)
|
|
aDeviceToView.scale(fFullViewSizeX * mnAntiAlialize, fFullViewSizeY * mnAntiAlialize, fMaxZDepth);
|
|
else
|
|
aDeviceToView.scale(fFullViewSizeX, fFullViewSizeY, fMaxZDepth);
|
|
|
|
aDeviceToView.translate(0.0, 0.0, 1.5);
|
|
}
|
|
|
|
// update local ViewInformation3D with own DeviceToView
|
|
const geometry::ViewInformation3D aNewViewInformation3D(
|
|
getViewInformation3D().getObjectTransformation(),
|
|
getViewInformation3D().getOrientation(),
|
|
getViewInformation3D().getProjection(),
|
|
aDeviceToView,
|
|
getViewInformation3D().getViewTime(),
|
|
getViewInformation3D().getExtendedInformationSequence());
|
|
updateViewInformation(aNewViewInformation3D);
|
|
|
|
// prepare inverse EyeToView transformation. This can be done in constructor
|
|
// since changes in object transformations when processing TransformPrimitive3Ds
|
|
// do not influence this prepared partial transformation
|
|
maInvEyeToView = getViewInformation3D().getDeviceToView() * getViewInformation3D().getProjection();
|
|
maInvEyeToView.invert();
|
|
|
|
// prepare maRasterRange
|
|
maRasterRange.reset();
|
|
maRasterRange.expand(basegfx::B2DPoint(0.0, 0.0));
|
|
maRasterRange.expand(basegfx::B2DPoint(mpBZPixelRaster->getWidth(), mpBZPixelRaster->getHeight()));
|
|
|
|
// create the raster converter
|
|
mpZBufferRasterConverter3D = new ZBufferRasterConverter3D(*mpBZPixelRaster, *this);
|
|
}
|
|
}
|
|
|
|
ZBufferProcessor3D::~ZBufferProcessor3D()
|
|
{
|
|
if(mpBZPixelRaster)
|
|
{
|
|
delete mpZBufferRasterConverter3D;
|
|
delete mpBZPixelRaster;
|
|
}
|
|
|
|
if(mpRasterPrimitive3Ds)
|
|
{
|
|
OSL_FAIL("ZBufferProcessor3D: destructed, but there are unrendered transparent geometries. Use ZBufferProcessor3D::finish() to render these (!)");
|
|
delete mpRasterPrimitive3Ds;
|
|
}
|
|
}
|
|
|
|
void ZBufferProcessor3D::finish()
|
|
{
|
|
if(mpRasterPrimitive3Ds)
|
|
{
|
|
// there are transparent rasterprimitives
|
|
const sal_uInt32 nSize(mpRasterPrimitive3Ds->size());
|
|
|
|
if(nSize > 1)
|
|
{
|
|
// sort them from back to front
|
|
std::sort(mpRasterPrimitive3Ds->begin(), mpRasterPrimitive3Ds->end());
|
|
}
|
|
|
|
for(sal_uInt32 a(0); a < nSize; a++)
|
|
{
|
|
// paint each one by setting the remembered data and calling
|
|
// the render method
|
|
const RasterPrimitive3D& rCandidate = (*mpRasterPrimitive3Ds)[a];
|
|
|
|
mpGeoTexSvx = rCandidate.getGeoTexSvx();
|
|
mpTransparenceGeoTexSvx = rCandidate.getTransparenceGeoTexSvx();
|
|
mbModulate = rCandidate.getModulate();
|
|
mbFilter = rCandidate.getFilter();
|
|
mbSimpleTextureActive = rCandidate.getSimpleTextureActive();
|
|
|
|
if(rCandidate.getIsLine())
|
|
{
|
|
rasterconvertB3DPolygon(
|
|
rCandidate.getMaterial(),
|
|
rCandidate.getPolyPolygon().getB3DPolygon(0));
|
|
}
|
|
else
|
|
{
|
|
rasterconvertB3DPolyPolygon(
|
|
rCandidate.getMaterial(),
|
|
rCandidate.getPolyPolygon());
|
|
}
|
|
}
|
|
|
|
// delete them to signal the destructor that all is done and
|
|
// to allow asserting there
|
|
delete mpRasterPrimitive3Ds;
|
|
mpRasterPrimitive3Ds = 0;
|
|
}
|
|
}
|
|
|
|
BitmapEx ZBufferProcessor3D::getBitmapEx() const
|
|
{
|
|
if(mpBZPixelRaster)
|
|
{
|
|
return BPixelRasterToBitmapEx(*mpBZPixelRaster, mnAntiAlialize);
|
|
}
|
|
|
|
return BitmapEx();
|
|
}
|
|
} // end of namespace processor3d
|
|
} // end of namespace drawinglayer
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|