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https://github.com/FULU-Foundation/OrcaSlicer-bambulab.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.
104 lines
3.6 KiB
C++
104 lines
3.6 KiB
C++
// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2016 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 "flood_fill.h"
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#include <limits>
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template <typename Derivedres, typename DerivedS>
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IGL_INLINE void igl::flood_fill(
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const Eigen::MatrixBase<Derivedres>& res,
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Eigen::PlainObjectBase<DerivedS> & S)
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{
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using namespace Eigen;
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using namespace std;
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typedef typename DerivedS::Scalar Scalar;
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const auto flood = [&res,&S] (
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const int xi,
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const int yi,
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const int zi,
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const int signed_xi,
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const int signed_yi,
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const int signed_zi,
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const Scalar s)
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{
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// flood fill this value back on this row
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for(int bxi = xi;signed_xi<--bxi;)
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{
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S(bxi+res(0)*(yi + res(1)*zi)) = s;
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}
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// flood fill this value back on any previous rows
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for(int byi = yi;signed_yi<--byi;)
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{
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for(int xi = 0;xi<res(0);xi++)
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{
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S(xi+res(0)*(byi + res(1)*zi)) = s;
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}
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}
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// flood fill this value back on any previous "sheets"
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for(int bzi = zi;signed_zi<--bzi;)
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{
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for(int yi = 0;yi<res(1);yi++)
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{
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for(int xi = 0;xi<res(0);xi++)
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{
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S(xi+res(0)*(yi + res(1)*bzi)) = s;
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}
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}
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}
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};
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int signed_zi = -1;
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Scalar s = numeric_limits<Scalar>::quiet_NaN();
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for(int zi = 0;zi<res(2);zi++)
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{
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int signed_yi = -1;
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if(zi != 0)
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{
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s = S(0+res(0)*(0 + res(1)*(zi-1)));
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}
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for(int yi = 0;yi<res(1);yi++)
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{
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// index of last signed item on this row
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int signed_xi = -1;
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if(yi != 0)
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{
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s = S(0+res(0)*(yi-1 + res(1)*zi));
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}
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for(int xi = 0;xi<res(0);xi++)
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{
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int i = xi+res(0)*(yi + res(1)*zi);
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if(S(i)!=S(i))
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{
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if(s == s)
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{
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S(i) = s;
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}
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continue;
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}
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s = S(i);
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flood(xi,yi,zi,signed_xi,signed_yi,signed_zi,s);
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// remember this position
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signed_xi = xi;
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signed_yi = yi;
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signed_zi = zi;
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}
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}
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}
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}
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#ifdef IGL_STATIC_LIBRARY
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// Explicit template instantiation
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// generated by autoexplicit.sh
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template void igl::flood_fill<Eigen::Matrix<int, 1, 3, 1, 1, 3>, Eigen::Matrix<float, -1, 1, 0, -1, 1> >(Eigen::MatrixBase<Eigen::Matrix<int, 1, 3, 1, 1, 3> > const&, Eigen::PlainObjectBase<Eigen::Matrix<float, -1, 1, 0, -1, 1> >&);
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// generated by autoexplicit.sh
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template void igl::flood_fill<Eigen::Matrix<int, 3, 1, 0, 3, 1>, Eigen::Matrix<float, -1, 1, 0, -1, 1> >(Eigen::MatrixBase<Eigen::Matrix<int, 3, 1, 0, 3, 1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<float, -1, 1, 0, -1, 1> >&);
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// generated by autoexplicit.sh
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template void igl::flood_fill<Eigen::Matrix<int, 3, 1, 0, 3, 1>, Eigen::Matrix<double, -1, 1, 0, -1, 1> >(Eigen::MatrixBase<Eigen::Matrix<int, 3, 1, 0, 3, 1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<double, -1, 1, 0, -1, 1> >&);
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// generated by autoexplicit.sh
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template void igl::flood_fill<Eigen::Matrix<int, 1, 3, 1, 1, 3>, Eigen::Matrix<double, -1, 1, 0, -1, 1> >(Eigen::MatrixBase<Eigen::Matrix<int, 1, 3, 1, 1, 3> > const&, Eigen::PlainObjectBase<Eigen::Matrix<double, -1, 1, 0, -1, 1> >&);
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template void igl::flood_fill<Eigen::Matrix<float, 1, 3, 1, 1, 3>, Eigen::Matrix<float, -1, 1, 0, -1, 1> >(Eigen::MatrixBase<Eigen::Matrix<float, 1, 3, 1, 1, 3> > const&, Eigen::PlainObjectBase<Eigen::Matrix<float, -1, 1, 0, -1, 1> >&);
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#endif
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