Disabled external gits
This commit is contained in:
506
cs440-acg/ext/openexr/OpenEXR/exrenvmap/main.cpp
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506
cs440-acg/ext/openexr/OpenEXR/exrenvmap/main.cpp
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///////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 2004, Industrial Light & Magic, a division of Lucas
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// Digital Ltd. LLC
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Industrial Light & Magic nor the names of
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// its contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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///////////////////////////////////////////////////////////////////////////
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//-----------------------------------------------------------------------------
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//
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// exrenvmap -- makes OpenEXR environment maps
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//
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//-----------------------------------------------------------------------------
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#include <makeCubeMap.h>
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#include <makeLatLongMap.h>
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#include <blurImage.h>
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#include <EnvmapImage.h>
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#include <ImfEnvmap.h>
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#include <ImfHeader.h>
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#include <iostream>
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#include <exception>
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#include <string>
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#include <string.h>
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#include <stdlib.h>
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#include "namespaceAlias.h"
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using namespace IMF;
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using namespace std;
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namespace {
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void
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usageMessage (const char argv0[], bool verbose = false)
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{
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cerr << "usage: " << argv0 << " [options] infile outfile" << endl;
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if (verbose)
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{
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cerr << "\n"
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"Converts OpenEXR latitude-longitude environment maps\n"
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"into cube-face environment maps or vice versa.\n"
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"Reads an environment map image from infile, converts\n"
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"it, and stores the result in outfile.\n"
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"\n"
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"If the input file name contains a '%' character, then an\n"
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"input cube-face environment map is assembled from six\n"
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"square sub-images that represent the six faces of the cube.\n"
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"The names of the six image files are generated by replacing\n"
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"the % with +X, -X, +Y, -Y, +Z and -Z respectively.\n"
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"\n"
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"If the output file name contains a '%' character and\n"
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"the program has been instructed to produce a cube-face\n"
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"environment map, then the output image is split into six\n"
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"square sub-images that are saved in six separate output\n"
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"files. The names of the files are generated by replacing\n"
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"the % with +X, -X, +Y, -Y, +Z and -Z respectively.\n"
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"\n"
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"Options:\n"
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"\n"
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"-o produces a ONE_LEVEL output file (default)\n"
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"\n"
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"-m produces a MIPMAP_LEVELS output file (-m has\n"
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" no effect if the output image is split into\n"
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" multiple files)\n"
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"\n"
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"-c the output file will be a cube-face environment\n"
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" map (default)\n"
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"\n"
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"-l the output file will be a latitude-longitude\n"
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" environment map\n"
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"\n"
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"-ci the input file is interpreted as a cube-face\n"
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" environment map, regardless of its envmap\n"
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" attribute\n"
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"\n"
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"-li the input file is interpreted as a latitude-\n"
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" longitude environment map, regardless of its\n"
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" envmap attribute (-li has no effect if the\n"
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" input image is assembled from multiple files)\n"
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"\n"
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"-w x sets the width of the output image to x pixels\n"
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" (default is 256). The height of the output image\n"
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" will be x*6 pixels for a cube-face map, or x/2\n"
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" pixels for a latitude-longitude map.\n"
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"\n"
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"-f r n sets the antialiasing filter radius to r\n"
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" (default is 1.0) and the sampling rate to\n"
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" n by n (default is 5 by 5). Increasing r\n"
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" makes the output image blurrier; decreasing r\n"
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" makes the image sharper but may cause aliasing.\n"
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" Increasing n improves antialiasing, but\n"
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" generating the output image takes longer.\n"
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"\n"
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"-b blurs the environment map image by applying a\n"
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" 180-degree-wide filter kernel such that point-\n"
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" sampling the blurred image at a location that\n"
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" corresponds to 3D direction N returns the color\n"
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" that a white diffuse reflector with surface\n"
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" normal N would have if it was illuminated using\n"
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" the original non-blurred image.\n"
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" Generating the blurred image can be fairly slow.\n"
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"\n"
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"-t x y sets the output file's tile size to x by y pixels\n"
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" (default is 64 by 64)\n"
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"\n"
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"-p t b if the input image is a latitude-longitude map,\n"
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" pad the image at the top and bottom with t*h\n"
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" and b*h extra scan lines, where h is the height\n"
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" of the input image. This is useful for images\n"
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" from 360-degree panoramic scans that cover\n"
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" less than 180 degrees vertically.\n"
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"\n"
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"-d sets level size rounding to ROUND_DOWN (default)\n"
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"\n"
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"-u sets level size rounding to ROUND_UP\n"
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"\n"
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"-z x sets the data compression method to x\n"
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" (none/rle/zip/piz/pxr24/b44/b44a/dwaa/dwab,\n"
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" default is zip)\n"
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"\n"
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"-v verbose mode\n"
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"\n"
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"-h prints this message\n";
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cerr << endl;
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}
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exit (1);
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}
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Compression
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getCompression (const string &str)
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{
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Compression c;
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if (str == "no" || str == "none" || str == "NO" || str == "NONE")
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{
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c = NO_COMPRESSION;
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}
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else if (str == "rle" || str == "RLE")
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{
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c = RLE_COMPRESSION;
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}
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else if (str == "zip" || str == "ZIP")
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{
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c = ZIP_COMPRESSION;
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}
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else if (str == "piz" || str == "PIZ")
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{
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c = PIZ_COMPRESSION;
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}
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else if (str == "pxr24" || str == "PXR24")
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{
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c = PXR24_COMPRESSION;
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}
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else if (str == "b44" || str == "B44")
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{
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c = B44_COMPRESSION;
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}
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else if (str == "b44a" || str == "B44A")
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{
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c = B44A_COMPRESSION;
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}
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else if (str == "dwaa" || str == "DWAA")
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{
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c = DWAA_COMPRESSION;
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}
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else if (str == "dwab" || str == "DWAB")
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{
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c = DWAB_COMPRESSION;
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}
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else
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{
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cerr << "Unknown compression method \"" << str << "\"." << endl;
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exit (1);
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}
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return c;
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}
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} // namespace
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int
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main(int argc, char **argv)
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{
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const char *inFile = 0;
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const char *outFile = 0;
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Envmap type = ENVMAP_CUBE;
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Envmap overrideInputType = NUM_ENVMAPTYPES;
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LevelMode levelMode = ONE_LEVEL;
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LevelRoundingMode roundingMode = ROUND_DOWN;
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Compression compression = ZIP_COMPRESSION;
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int mapWidth = 256;
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int tileWidth = 64;
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int tileHeight = 64;
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float padTop = 0;
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float padBottom = 0;
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float filterRadius = 1;
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int numSamples = 5;
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bool diffuseBlur = false;
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bool verbose = false;
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//
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// Parse the command line.
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//
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if (argc < 2)
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usageMessage (argv[0], true);
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int i = 1;
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while (i < argc)
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{
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if (!strcmp (argv[i], "-o"))
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{
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//
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// generate a ONE_LEVEL image
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//
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levelMode = ONE_LEVEL;
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i += 1;
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}
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else if (!strcmp (argv[i], "-m"))
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{
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//
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// Generate a MIPMAP_LEVELS image
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//
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levelMode = MIPMAP_LEVELS;
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i += 1;
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}
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else if (!strcmp (argv[i], "-c"))
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{
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//
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// Generate a cube-face map
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//
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type = ENVMAP_CUBE;
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i += 1;
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}
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else if (!strcmp (argv[i], "-l"))
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{
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//
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// Generate a latitude-longitude map
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//
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type = ENVMAP_LATLONG;
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i += 1;
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}
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else if (!strcmp (argv[i], "-ci"))
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{
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//
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// Assume input is a cube-face map
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//
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overrideInputType = ENVMAP_CUBE;
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i += 1;
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}
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else if (!strcmp (argv[i], "-li"))
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{
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//
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// Assume input is a latitude-longitude map
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//
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overrideInputType = ENVMAP_LATLONG;
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i += 1;
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}
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else if (!strcmp (argv[i], "-w"))
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{
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//
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// Set output image width
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//
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if (i > argc - 2)
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usageMessage (argv[0]);
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mapWidth = strtol (argv[i + 1], 0, 0);
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if (mapWidth <= 0)
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{
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cerr << "Output image width must be greater than zero." << endl;
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return 1;
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}
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i += 2;
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}
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else if (!strcmp (argv[i], "-f"))
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{
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//
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// Set filter radius and supersampling rate
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//
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if (i > argc - 3)
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usageMessage (argv[0]);
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filterRadius = strtod (argv[i + 1], 0);
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numSamples = strtol (argv[i + 2], 0, 0);
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if (filterRadius < 0)
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{
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cerr << "Filter radius must not be less than zero." << endl;
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return 1;
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}
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if (numSamples <= 0)
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{
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cerr << "Sampling rate must be greater than zero." << endl;
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return 1;
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}
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i += 3;
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}
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else if (!strcmp (argv[i], "-b"))
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{
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//
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// Diffuse blur
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//
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diffuseBlur = true;
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i += 1;
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}
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else if (!strcmp (argv[i], "-t"))
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{
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//
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// Set tile size
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//
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if (i > argc - 3)
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usageMessage (argv[0]);
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tileWidth = strtol (argv[i + 1], 0, 0);
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tileHeight = strtol (argv[i + 2], 0, 0);
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if (tileWidth <= 0 || tileHeight <= 0)
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{
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cerr << "Tile size must be greater than zero." << endl;
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return 1;
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}
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i += 3;
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}
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else if (!strcmp (argv[i], "-p"))
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{
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//
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// Set top and bottom padding
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//
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if (i > argc - 3)
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usageMessage (argv[0]);
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padTop = strtod (argv[i + 1], 0);
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padBottom = strtod (argv[i + 2], 0);
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if (padTop < 0 || padBottom < 0)
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{
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cerr << "Padding must not be less than zero." << endl;
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return 1;
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}
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i += 3;
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}
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else if (!strcmp (argv[i], "-d"))
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{
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//
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// Round down
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//
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roundingMode = ROUND_DOWN;
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i += 1;
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}
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else if (!strcmp (argv[i], "-u"))
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{
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//
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// Round down
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//
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roundingMode = ROUND_UP;
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i += 1;
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}
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else if (!strcmp (argv[i], "-z"))
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{
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//
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// Set compression method
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//
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if (i > argc - 2)
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usageMessage (argv[0]);
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compression = getCompression (argv[i + 1]);
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i += 2;
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}
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else if (!strcmp (argv[i], "-v"))
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{
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//
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// Verbose mode
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//
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verbose = true;
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i += 1;
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}
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else if (!strcmp (argv[i], "-h"))
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{
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//
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// Print help message
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//
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usageMessage (argv[0], true);
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}
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else
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{
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//
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// Image file name
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//
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if (inFile == 0)
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inFile = argv[i];
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else
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outFile = argv[i];
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i += 1;
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}
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}
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if (inFile == 0 || outFile == 0)
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usageMessage (argv[0]);
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//
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// Load inFile, convert it, and save the result in outFile.
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//
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int exitStatus = 0;
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try
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{
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EnvmapImage image;
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Header header;
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RgbaChannels channels;
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readInputImage (inFile, padTop, padBottom,
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overrideInputType, verbose,
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image, header, channels);
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if (diffuseBlur)
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blurImage (image, verbose);
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if (type == ENVMAP_CUBE)
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{
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makeCubeMap (image, header, channels,
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outFile,
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tileWidth, tileHeight,
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levelMode, roundingMode,
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compression, mapWidth,
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filterRadius, numSamples,
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verbose);
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}
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else
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{
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makeLatLongMap (image, header, channels,
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outFile,
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tileWidth, tileHeight,
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levelMode, roundingMode,
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compression, mapWidth,
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filterRadius, numSamples,
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verbose);
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}
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}
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catch (const exception &e)
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||||
{
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cerr << e.what() << endl;
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exitStatus = 1;
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}
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return exitStatus;
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||||
}
|
||||
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