00001 00002 /* 00003 pbrt source code Copyright(c) 1998-2007 Matt Pharr and Greg Humphreys. 00004 00005 This file is part of pbrt. 00006 00007 pbrt is free software; you can redistribute it and/or modify 00008 it under the terms of the GNU General Public License as published by 00009 the Free Software Foundation; either version 2 of the License, or 00010 (at your option) any later version. Note that the text contents of 00011 the book "Physically Based Rendering" are *not* licensed under the 00012 GNU GPL. 00013 00014 pbrt is distributed in the hope that it will be useful, 00015 but WITHOUT ANY WARRANTY; without even the implied warranty of 00016 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00017 GNU General Public License for more details. 00018 00019 You should have received a copy of the GNU General Public License 00020 along with this program. If not, see <http://www.gnu.org/licenses/>. 00021 00022 */ 00023 00024 // constant.cpp* 00025 #include "pbrt.h" 00026 #include "texture.h" 00027 #include "paramset.h" 00028 // ConstantTexture Method Definitions 00029 extern "C" DLLEXPORT Texture<float> * CreateFloatTexture(const Transform &tex2world, 00030 const TextureParams &tp) { 00031 return new ConstantTexture<float>(tp.FindFloat("value", 1.f)); 00032 } 00033 00034 extern "C" DLLEXPORT Texture<Spectrum> * CreateSpectrumTexture(const Transform &tex2world, 00035 const TextureParams &tp) { 00036 return new ConstantTexture<Spectrum>(tp.FindSpectrum("value", Spectrum(1.f))); 00037 }