PBRT
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00001 00002 /* 00003 pbrt source code Copyright(c) 1998-2012 Matt Pharr and Greg Humphreys. 00004 00005 This file is part of pbrt. 00006 00007 Redistribution and use in source and binary forms, with or without 00008 modification, are permitted provided that the following conditions are 00009 met: 00010 00011 - Redistributions of source code must retain the above copyright 00012 notice, this list of conditions and the following disclaimer. 00013 00014 - Redistributions in binary form must reproduce the above copyright 00015 notice, this list of conditions and the following disclaimer in the 00016 documentation and/or other materials provided with the distribution. 00017 00018 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 00019 IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 00020 TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 00021 PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 00022 HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00023 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 00024 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 00025 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 00026 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00027 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 00028 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00029 00030 */ 00031 00032 #if defined(_MSC_VER) 00033 #pragma once 00034 #endif 00035 00036 #ifndef PBRT_FILM_IMAGE_H 00037 #define PBRT_FILM_IMAGE_H 00038 00039 // film/image.h* 00040 #include "pbrt.h" 00041 #include "film.h" 00042 #include "sampler.h" 00043 #include "filter.h" 00044 #include "paramset.h" 00045 00046 // ImageFilm Declarations 00047 class ImageFilm : public Film { 00048 public: 00049 // ImageFilm Public Methods 00050 ImageFilm(int xres, int yres, Filter *filt, const float crop[4], 00051 const string &filename, bool openWindow); 00052 ~ImageFilm() { 00053 delete pixels; 00054 delete filter; 00055 delete[] filterTable; 00056 } 00057 void AddSample(const CameraSample &sample, const Spectrum &L); 00058 void Splat(const CameraSample &sample, const Spectrum &L); 00059 void GetSampleExtent(int *xstart, int *xend, int *ystart, int *yend) const; 00060 void GetPixelExtent(int *xstart, int *xend, int *ystart, int *yend) const; 00061 void WriteImage(float splatScale); 00062 void UpdateDisplay(int x0, int y0, int x1, int y1, float splatScale); 00063 private: 00064 // ImageFilm Private Data 00065 Filter *filter; 00066 float cropWindow[4]; 00067 string filename; 00068 int xPixelStart, yPixelStart, xPixelCount, yPixelCount; 00069 struct Pixel { 00070 Pixel() { 00071 for (int i = 0; i < 3; ++i) Lxyz[i] = splatXYZ[i] = 0.f; 00072 weightSum = 0.f; 00073 } 00074 float Lxyz[3]; 00075 float weightSum; 00076 float splatXYZ[3]; 00077 float pad; 00078 }; 00079 BlockedArray<Pixel> *pixels; 00080 float *filterTable; 00081 }; 00082 00083 00084 ImageFilm *CreateImageFilm(const ParamSet ¶ms, Filter *filter); 00085 00086 #endif // PBRT_FILM_IMAGE_H