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https://github.com/SoftFever/OrcaSlicer.git
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2ae2672ee9
Fixing dep build script on Windows and removing some warnings. Use bundled igl by default. Not building with the dependency scripts if not explicitly stated. This way, it will stay in Fix the libigl patch to include C source files in header only mode.
121 lines
3.1 KiB
C++
121 lines
3.1 KiB
C++
// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2013 Alec Jacobson <alecjacobson@gmail.com>
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//
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// This Source Code Form is subject to the terms of the Mozilla Public License
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// v. 2.0. If a copy of the MPL was not distributed with this file, You can
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// obtain one at http://mozilla.org/MPL/2.0/.
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#include "readWRL.h"
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#include <iostream>
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template <typename Scalar, typename Index>
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IGL_INLINE bool igl::readWRL(
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const std::string wrl_file_name,
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std::vector<std::vector<Scalar > > & V,
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std::vector<std::vector<Index > > & F)
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{
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using namespace std;
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FILE * wrl_file = fopen(wrl_file_name.c_str(),"r");
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if(NULL==wrl_file)
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{
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printf("IOError: %s could not be opened...",wrl_file_name.c_str());
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return false;
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}
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return readWRL(wrl_file,V,F);
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}
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template <typename Scalar, typename Index>
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IGL_INLINE bool igl::readWRL(
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FILE * wrl_file,
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std::vector<std::vector<Scalar > > & V,
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std::vector<std::vector<Index > > & F)
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{
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using namespace std;
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char line[1000];
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// Read lines until seeing "point ["
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// treat other lines in file as "comments"
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bool still_comments = true;
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string needle("point [");
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string haystack;
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while(still_comments)
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{
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if(fgets(line,1000,wrl_file) == NULL)
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{
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std::cerr<<"readWRL, reached EOF without finding \"point [\""<<std::endl;
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fclose(wrl_file);
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return false;
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}
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haystack = string(line);
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still_comments = string::npos == haystack.find(needle);
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}
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// read points in sets of 3
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int floats_read = 3;
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double x,y,z;
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while(floats_read == 3)
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{
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floats_read = fscanf(wrl_file," %lf %lf %lf,",&x,&y,&z);
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if(floats_read == 3)
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{
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vector<Scalar > point;
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point.resize(3);
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point[0] = x;
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point[1] = y;
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point[2] = z;
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V.push_back(point);
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//printf("(%g, %g, %g)\n",x,y,z);
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}else if(floats_read != 0)
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{
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printf("ERROR: unrecognized format...\n");
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return false;
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}
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}
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// Read lines until seeing "coordIndex ["
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// treat other lines in file as "comments"
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still_comments = true;
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needle = string("coordIndex [");
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while(still_comments)
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{
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fgets(line,1000,wrl_file);
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haystack = string(line);
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still_comments = string::npos == haystack.find(needle);
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}
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// read F
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int ints_read = 1;
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while(ints_read > 0)
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{
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// read new face indices (until hit -1)
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vector<Index > face;
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while(true)
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{
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// indices are 0-indexed
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int i;
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ints_read = fscanf(wrl_file," %d,",&i);
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if(ints_read > 0)
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{
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if(i>=0)
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{
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face.push_back(i);
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}else
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{
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F.push_back(face);
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break;
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}
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}else
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{
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break;
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}
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}
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}
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fclose(wrl_file);
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return true;
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}
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#ifdef IGL_STATIC_LIBRARY
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// Explicit template instantiation
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template bool igl::readWRL<double, int>(std::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::vector<std::vector<double, std::allocator<double> >, std::allocator<std::vector<double, std::allocator<double> > > >&, std::vector<std::vector<int, std::allocator<int> >, std::allocator<std::vector<int, std::allocator<int> > > >&);
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#endif
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