1*4bfbcde8SAndrew Rist /************************************************************** 2*4bfbcde8SAndrew Rist * 3*4bfbcde8SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 4*4bfbcde8SAndrew Rist * or more contributor license agreements. See the NOTICE file 5*4bfbcde8SAndrew Rist * distributed with this work for additional information 6*4bfbcde8SAndrew Rist * regarding copyright ownership. The ASF licenses this file 7*4bfbcde8SAndrew Rist * to you under the Apache License, Version 2.0 (the 8*4bfbcde8SAndrew Rist * "License"); you may not use this file except in compliance 9*4bfbcde8SAndrew Rist * with the License. You may obtain a copy of the License at 10*4bfbcde8SAndrew Rist * 11*4bfbcde8SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 12*4bfbcde8SAndrew Rist * 13*4bfbcde8SAndrew Rist * Unless required by applicable law or agreed to in writing, 14*4bfbcde8SAndrew Rist * software distributed under the License is distributed on an 15*4bfbcde8SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*4bfbcde8SAndrew Rist * KIND, either express or implied. See the License for the 17*4bfbcde8SAndrew Rist * specific language governing permissions and limitations 18*4bfbcde8SAndrew Rist * under the License. 19*4bfbcde8SAndrew Rist * 20*4bfbcde8SAndrew Rist *************************************************************/ 21cdf0e10cSrcweir 22cdf0e10cSrcweir // MARKER(update_precomp.py): autogen include statement, do not remove 23cdf0e10cSrcweir #include "precompiled_drawinglayer.hxx" 24cdf0e10cSrcweir 25cdf0e10cSrcweir #include <drawinglayer/attribute/sdrlightingattribute3d.hxx> 26cdf0e10cSrcweir #include <basegfx/color/bcolor.hxx> 27cdf0e10cSrcweir #include <basegfx/vector/b3dvector.hxx> 28cdf0e10cSrcweir #include <drawinglayer/attribute/sdrlightattribute3d.hxx> 29cdf0e10cSrcweir 30cdf0e10cSrcweir ////////////////////////////////////////////////////////////////////////////// 31cdf0e10cSrcweir 32cdf0e10cSrcweir namespace drawinglayer 33cdf0e10cSrcweir { 34cdf0e10cSrcweir namespace attribute 35cdf0e10cSrcweir { 36cdf0e10cSrcweir class ImpSdrLightingAttribute 37cdf0e10cSrcweir { 38cdf0e10cSrcweir public: 39cdf0e10cSrcweir // refcounter 40cdf0e10cSrcweir sal_uInt32 mnRefCount; 41cdf0e10cSrcweir 42cdf0e10cSrcweir // 3D light attribute definitions 43cdf0e10cSrcweir basegfx::BColor maAmbientLight; 44cdf0e10cSrcweir ::std::vector< Sdr3DLightAttribute > maLightVector; 45cdf0e10cSrcweir ImpSdrLightingAttribute(const basegfx::BColor & rAmbientLight,const::std::vector<Sdr3DLightAttribute> & rLightVector)46cdf0e10cSrcweir ImpSdrLightingAttribute( 47cdf0e10cSrcweir const basegfx::BColor& rAmbientLight, 48cdf0e10cSrcweir const ::std::vector< Sdr3DLightAttribute >& rLightVector) 49cdf0e10cSrcweir : mnRefCount(0), 50cdf0e10cSrcweir maAmbientLight(rAmbientLight), 51cdf0e10cSrcweir maLightVector(rLightVector) 52cdf0e10cSrcweir { 53cdf0e10cSrcweir } 54cdf0e10cSrcweir 55cdf0e10cSrcweir // data read access getAmbientLight() const56cdf0e10cSrcweir const basegfx::BColor& getAmbientLight() const { return maAmbientLight; } getLightVector() const57cdf0e10cSrcweir const ::std::vector< Sdr3DLightAttribute >& getLightVector() const { return maLightVector; } 58cdf0e10cSrcweir operator ==(const ImpSdrLightingAttribute & rCandidate) const59cdf0e10cSrcweir bool operator==(const ImpSdrLightingAttribute& rCandidate) const 60cdf0e10cSrcweir { 61cdf0e10cSrcweir return (getAmbientLight() == rCandidate.getAmbientLight() 62cdf0e10cSrcweir && getLightVector() == rCandidate.getLightVector()); 63cdf0e10cSrcweir } 64cdf0e10cSrcweir get_global_default()65cdf0e10cSrcweir static ImpSdrLightingAttribute* get_global_default() 66cdf0e10cSrcweir { 67cdf0e10cSrcweir static ImpSdrLightingAttribute* pDefault = 0; 68cdf0e10cSrcweir 69cdf0e10cSrcweir if(!pDefault) 70cdf0e10cSrcweir { 71cdf0e10cSrcweir pDefault = new ImpSdrLightingAttribute( 72cdf0e10cSrcweir basegfx::BColor(), 73cdf0e10cSrcweir std::vector< Sdr3DLightAttribute >()); 74cdf0e10cSrcweir 75cdf0e10cSrcweir // never delete; start with RefCount 1, not 0 76cdf0e10cSrcweir pDefault->mnRefCount++; 77cdf0e10cSrcweir } 78cdf0e10cSrcweir 79cdf0e10cSrcweir return pDefault; 80cdf0e10cSrcweir } 81cdf0e10cSrcweir }; 82cdf0e10cSrcweir SdrLightingAttribute(const basegfx::BColor & rAmbientLight,const::std::vector<Sdr3DLightAttribute> & rLightVector)83cdf0e10cSrcweir SdrLightingAttribute::SdrLightingAttribute( 84cdf0e10cSrcweir const basegfx::BColor& rAmbientLight, 85cdf0e10cSrcweir const ::std::vector< Sdr3DLightAttribute >& rLightVector) 86cdf0e10cSrcweir : mpSdrLightingAttribute(new ImpSdrLightingAttribute( 87cdf0e10cSrcweir rAmbientLight, rLightVector)) 88cdf0e10cSrcweir { 89cdf0e10cSrcweir } 90cdf0e10cSrcweir SdrLightingAttribute()91cdf0e10cSrcweir SdrLightingAttribute::SdrLightingAttribute() 92cdf0e10cSrcweir : mpSdrLightingAttribute(ImpSdrLightingAttribute::get_global_default()) 93cdf0e10cSrcweir { 94cdf0e10cSrcweir mpSdrLightingAttribute->mnRefCount++; 95cdf0e10cSrcweir } 96cdf0e10cSrcweir SdrLightingAttribute(const SdrLightingAttribute & rCandidate)97cdf0e10cSrcweir SdrLightingAttribute::SdrLightingAttribute(const SdrLightingAttribute& rCandidate) 98cdf0e10cSrcweir : mpSdrLightingAttribute(rCandidate.mpSdrLightingAttribute) 99cdf0e10cSrcweir { 100cdf0e10cSrcweir mpSdrLightingAttribute->mnRefCount++; 101cdf0e10cSrcweir } 102cdf0e10cSrcweir ~SdrLightingAttribute()103cdf0e10cSrcweir SdrLightingAttribute::~SdrLightingAttribute() 104cdf0e10cSrcweir { 105cdf0e10cSrcweir if(mpSdrLightingAttribute->mnRefCount) 106cdf0e10cSrcweir { 107cdf0e10cSrcweir mpSdrLightingAttribute->mnRefCount--; 108cdf0e10cSrcweir } 109cdf0e10cSrcweir else 110cdf0e10cSrcweir { 111cdf0e10cSrcweir delete mpSdrLightingAttribute; 112cdf0e10cSrcweir } 113cdf0e10cSrcweir } 114cdf0e10cSrcweir isDefault() const115cdf0e10cSrcweir bool SdrLightingAttribute::isDefault() const 116cdf0e10cSrcweir { 117cdf0e10cSrcweir return mpSdrLightingAttribute == ImpSdrLightingAttribute::get_global_default(); 118cdf0e10cSrcweir } 119cdf0e10cSrcweir operator =(const SdrLightingAttribute & rCandidate)120cdf0e10cSrcweir SdrLightingAttribute& SdrLightingAttribute::operator=(const SdrLightingAttribute& rCandidate) 121cdf0e10cSrcweir { 122cdf0e10cSrcweir if(rCandidate.mpSdrLightingAttribute != mpSdrLightingAttribute) 123cdf0e10cSrcweir { 124cdf0e10cSrcweir if(mpSdrLightingAttribute->mnRefCount) 125cdf0e10cSrcweir { 126cdf0e10cSrcweir mpSdrLightingAttribute->mnRefCount--; 127cdf0e10cSrcweir } 128cdf0e10cSrcweir else 129cdf0e10cSrcweir { 130cdf0e10cSrcweir delete mpSdrLightingAttribute; 131cdf0e10cSrcweir } 132cdf0e10cSrcweir 133cdf0e10cSrcweir mpSdrLightingAttribute = rCandidate.mpSdrLightingAttribute; 134cdf0e10cSrcweir mpSdrLightingAttribute->mnRefCount++; 135cdf0e10cSrcweir } 136cdf0e10cSrcweir 137cdf0e10cSrcweir return *this; 138cdf0e10cSrcweir } 139cdf0e10cSrcweir operator ==(const SdrLightingAttribute & rCandidate) const140cdf0e10cSrcweir bool SdrLightingAttribute::operator==(const SdrLightingAttribute& rCandidate) const 141cdf0e10cSrcweir { 142cdf0e10cSrcweir if(rCandidate.mpSdrLightingAttribute == mpSdrLightingAttribute) 143cdf0e10cSrcweir { 144cdf0e10cSrcweir return true; 145cdf0e10cSrcweir } 146cdf0e10cSrcweir 147cdf0e10cSrcweir if(rCandidate.isDefault() != isDefault()) 148cdf0e10cSrcweir { 149cdf0e10cSrcweir return false; 150cdf0e10cSrcweir } 151cdf0e10cSrcweir 152cdf0e10cSrcweir return (*rCandidate.mpSdrLightingAttribute == *mpSdrLightingAttribute); 153cdf0e10cSrcweir } 154cdf0e10cSrcweir getAmbientLight() const155cdf0e10cSrcweir const basegfx::BColor& SdrLightingAttribute::getAmbientLight() const 156cdf0e10cSrcweir { 157cdf0e10cSrcweir return mpSdrLightingAttribute->getAmbientLight(); 158cdf0e10cSrcweir } 159cdf0e10cSrcweir getLightVector() const160cdf0e10cSrcweir const ::std::vector< Sdr3DLightAttribute >& SdrLightingAttribute::getLightVector() const 161cdf0e10cSrcweir { 162cdf0e10cSrcweir return mpSdrLightingAttribute->getLightVector(); 163cdf0e10cSrcweir } 164cdf0e10cSrcweir 165cdf0e10cSrcweir // color model solver solveColorModel(const basegfx::B3DVector & rNormalInEyeCoordinates,const basegfx::BColor & rColor,const basegfx::BColor & rSpecular,const basegfx::BColor & rEmission,sal_uInt16 nSpecularIntensity) const166cdf0e10cSrcweir basegfx::BColor SdrLightingAttribute::solveColorModel( 167cdf0e10cSrcweir const basegfx::B3DVector& rNormalInEyeCoordinates, 168cdf0e10cSrcweir const basegfx::BColor& rColor, const basegfx::BColor& rSpecular, 169cdf0e10cSrcweir const basegfx::BColor& rEmission, sal_uInt16 nSpecularIntensity) const 170cdf0e10cSrcweir { 171cdf0e10cSrcweir // initialize with emissive color 172cdf0e10cSrcweir basegfx::BColor aRetval(rEmission); 173cdf0e10cSrcweir 174cdf0e10cSrcweir // take care of global ambient light 175cdf0e10cSrcweir aRetval += mpSdrLightingAttribute->getAmbientLight() * rColor; 176cdf0e10cSrcweir 177cdf0e10cSrcweir // prepare light access. Is there a light? 178cdf0e10cSrcweir const sal_uInt32 nLightCount(mpSdrLightingAttribute->getLightVector().size()); 179cdf0e10cSrcweir 180cdf0e10cSrcweir if(nLightCount && !rNormalInEyeCoordinates.equalZero()) 181cdf0e10cSrcweir { 182cdf0e10cSrcweir // prepare normal 183cdf0e10cSrcweir basegfx::B3DVector aEyeNormal(rNormalInEyeCoordinates); 184cdf0e10cSrcweir aEyeNormal.normalize(); 185cdf0e10cSrcweir 186cdf0e10cSrcweir for(sal_uInt32 a(0L); a < nLightCount; a++) 187cdf0e10cSrcweir { 188cdf0e10cSrcweir const Sdr3DLightAttribute& rLight(mpSdrLightingAttribute->getLightVector()[a]); 189cdf0e10cSrcweir const double fCosFac(rLight.getDirection().scalar(aEyeNormal)); 190cdf0e10cSrcweir 191cdf0e10cSrcweir if(basegfx::fTools::more(fCosFac, 0.0)) 192cdf0e10cSrcweir { 193cdf0e10cSrcweir aRetval += ((rLight.getColor() * rColor) * fCosFac); 194cdf0e10cSrcweir 195cdf0e10cSrcweir if(rLight.getSpecular()) 196cdf0e10cSrcweir { 197cdf0e10cSrcweir // expand by (0.0, 0.0, 1.0) in Z 198cdf0e10cSrcweir basegfx::B3DVector aSpecularNormal(rLight.getDirection().getX(), rLight.getDirection().getY(), rLight.getDirection().getZ() + 1.0); 199cdf0e10cSrcweir aSpecularNormal.normalize(); 200cdf0e10cSrcweir double fCosFac2(aSpecularNormal.scalar(aEyeNormal)); 201cdf0e10cSrcweir 202cdf0e10cSrcweir if(basegfx::fTools::more(fCosFac2, 0.0)) 203cdf0e10cSrcweir { 204cdf0e10cSrcweir fCosFac2 = pow(fCosFac2, (double)nSpecularIntensity); 205cdf0e10cSrcweir aRetval += (rSpecular * fCosFac2); 206cdf0e10cSrcweir } 207cdf0e10cSrcweir } 208cdf0e10cSrcweir } 209cdf0e10cSrcweir } 210cdf0e10cSrcweir } 211cdf0e10cSrcweir 212cdf0e10cSrcweir // clamp to color space before usage 213cdf0e10cSrcweir aRetval.clamp(); 214cdf0e10cSrcweir 215cdf0e10cSrcweir return aRetval; 216cdf0e10cSrcweir } 217cdf0e10cSrcweir } // end of namespace attribute 218cdf0e10cSrcweir } // end of namespace drawinglayer 219cdf0e10cSrcweir 220cdf0e10cSrcweir ////////////////////////////////////////////////////////////////////////////// 221cdf0e10cSrcweir // eof 222