00001 00002 /* 00003 pbrt source code Copyright(c) 1998-2010 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 #if defined(_MSC_VER) 00025 #pragma once 00026 #endif 00027 00028 #ifndef PBRT_FILTERS_TRIANGLE_H 00029 #define PBRT_FILTERS_TRIANGLE_H 00030 00031 // filters/triangle.h* 00032 #include "filter.h" 00033 00034 // Triangle Filter Declarations 00035 class TriangleFilter : public Filter { 00036 public: 00037 TriangleFilter(float xw, float yw) : Filter(xw, yw) { } 00038 float Evaluate(float x, float y) const; 00039 }; 00040 00041 00042 TriangleFilter *CreateTriangleFilter(const ParamSet &ps); 00043 00044 #endif // PBRT_FILTERS_TRIANGLE_H