3D-printing/OrcaSlicer
1
0
Fork 0
mirror of https://github.com/SoftFever/OrcaSlicer.git synced 2025-10-31 12:41:20 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions 5

Merged branch 'dev_native' into lm_sla_supports_auto

Browse source 
Added igl library files
This commit is contained in:
Lukas Matena 2018-10-26 15:45:52 +02:00
commit 7681d00ee5
2865 changed files with 142806 additions and 22325 deletions
Download patch file Download diff file Expand all files Collapse all files

102
src/igl/rgb_to_hsv.cpp Normal file
View file

@ -0,0 +1,102 @@
// This file is part of libigl, a simple c++ geometry processing library.
//
// Copyright (C) 2013 Alec Jacobson <alecjacobson@gmail.com>
//
// This Source Code Form is subject to the terms of the Mozilla Public License
// v. 2.0. If a copy of the MPL was not distributed with this file, You can
// obtain one at http://mozilla.org/MPL/2.0/.
#include "rgb_to_hsv.h"
template <typename R,typename H>
IGL_INLINE void igl::rgb_to_hsv(const R * rgb, H * hsv)
{
// http://en.literateprograms.org/RGB_to_HSV_color_space_conversion_%28C%29
R rgb_max = 0.0;
R rgb_min = 1.0;
rgb_max = (rgb[0]>rgb_max?rgb[0]:rgb_max);
rgb_max = (rgb[1]>rgb_max?rgb[1]:rgb_max);
rgb_max = (rgb[2]>rgb_max?rgb[2]:rgb_max);
rgb_min = (rgb[0]<rgb_min?rgb[0]:rgb_min);
rgb_min = (rgb[1]<rgb_min?rgb[1]:rgb_min);
rgb_min = (rgb[2]<rgb_min?rgb[2]:rgb_min);
//hsv[2] = rgb_max;
hsv[2] = rgb_max;
if(hsv[2] == 0)
{
hsv[0]=hsv[1]=0;
return;
}
// normalize
R rgb_n[3];
rgb_n[0] = rgb[0]/hsv[2];
rgb_n[1] = rgb[1]/hsv[2];
rgb_n[2] = rgb[2]/hsv[2];
// Recomput max min?
rgb_max = 0;
rgb_max = (rgb_n[0]>rgb_max?rgb_n[0]:rgb_max);
rgb_max = (rgb_n[1]>rgb_max?rgb_n[1]:rgb_max);
rgb_max = (rgb_n[2]>rgb_max?rgb_n[2]:rgb_max);
rgb_min = 1;
rgb_min = (rgb_n[0]<rgb_min?rgb_n[0]:rgb_min);
rgb_min = (rgb_n[1]<rgb_min?rgb_n[1]:rgb_min);
rgb_min = (rgb_n[2]<rgb_min?rgb_n[2]:rgb_min);
hsv[1] = rgb_max - rgb_min;
if(hsv[1] == 0)
{
hsv[0] = 0;
return;
}
rgb_n[0] = (rgb_n[0] - rgb_min)/(rgb_max - rgb_min);
rgb_n[1] = (rgb_n[1] - rgb_min)/(rgb_max - rgb_min);
rgb_n[2] = (rgb_n[2] - rgb_min)/(rgb_max - rgb_min);
// Recomput max min?
rgb_max = 0;
rgb_max = (rgb_n[0]>rgb_max?rgb_n[0]:rgb_max);
rgb_max = (rgb_n[1]>rgb_max?rgb_n[1]:rgb_max);
rgb_max = (rgb_n[2]>rgb_max?rgb_n[2]:rgb_max);
rgb_min = 1;
rgb_min = (rgb_n[0]<rgb_min?rgb_n[0]:rgb_min);
rgb_min = (rgb_n[1]<rgb_min?rgb_n[1]:rgb_min);
rgb_min = (rgb_n[2]<rgb_min?rgb_n[2]:rgb_min);
if (rgb_max == rgb_n[0]) {
hsv[0] = 0.0 + 60.0*(rgb_n[1] - rgb_n[2]);
if (hsv[0] < 0.0) {
hsv[0] += 360.0;
}
} else if (rgb_max == rgb_n[1]) {
hsv[0] = 120.0 + 60.0*(rgb_n[2] - rgb_n[0]);
} else /* rgb_max == rgb_n[2] */ {
hsv[0] = 240.0 + 60.0*(rgb_n[0] - rgb_n[1]);
}
}
template <typename DerivedR,typename DerivedH>
IGL_INLINE void igl::rgb_to_hsv(
const Eigen::PlainObjectBase<DerivedR> & R,
Eigen::PlainObjectBase<DerivedH> & H)
{
assert(R.cols() == 3);
H.resizeLike(R);
for(typename DerivedR::Index r = 0;r<R.rows();r++)
{
typename DerivedR::Scalar rgb[3];
rgb[0] = R(r,0);
rgb[1] = R(r,1);
rgb[2] = R(r,2);
typename DerivedH::Scalar hsv[] = {0,0,0};
rgb_to_hsv(rgb,hsv);
H(r,0) = hsv[0];
H(r,1) = hsv[1];
H(r,2) = hsv[2];
}
}
#ifdef IGL_STATIC_LIBRARY
// Explicit template instantiation
template void igl::rgb_to_hsv<float, double>(float const*, double*);
template void igl::rgb_to_hsv<double, double>(double const*, double*);
template void igl::rgb_to_hsv<Eigen::Matrix<double, -1, -1, 0, -1, -1>, Eigen::Matrix<double, -1, -1, 0, -1, -1> >(Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> >&);
template void igl::rgb_to_hsv<Eigen::Matrix<float, -1, -1, 0, -1, -1>, Eigen::Matrix<float, -1, -1, 0, -1, -1> >(Eigen::PlainObjectBase<Eigen::Matrix<float, -1, -1, 0, -1, -1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<float, -1, -1, 0, -1, -1> >&);
template void igl::rgb_to_hsv<Eigen::Matrix<float, 64, 3, 1, 64, 3>, Eigen::Matrix<float, 64, 3, 1, 64, 3> >(Eigen::PlainObjectBase<Eigen::Matrix<float, 64, 3, 1, 64, 3> > const&, Eigen::PlainObjectBase<Eigen::Matrix<float, 64, 3, 1, 64, 3> >&);
#endif