kicad/3d-viewer/3d_rendering/ccolorrgb.cpp

71 lines
2.3 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2015-2016 Mario Luzeiro <mrluzeiro@ua.pt>
* Copyright (C) 2015-2020 KiCad Developers, see AUTHORS.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
/**
* @file ccolorrgb.cpp
* @brief
*/
#include "ccolorrgb.h"
CCOLORRGB::CCOLORRGB( const SFVEC3F &aColor )
{
r = (unsigned int) glm::clamp( (int) ( aColor.r * 255 ), 0, 255 );
g = (unsigned int) glm::clamp( (int) ( aColor.g * 255 ), 0, 255 );
b = (unsigned int) glm::clamp( (int) ( aColor.b * 255 ), 0, 255 );
}
CCOLORRGB BlendColor( const CCOLORRGB &aC1, const CCOLORRGB &aC2 )
{
const unsigned int r = aC1.r + aC2.r;
const unsigned int g = aC1.g + aC2.g;
const unsigned int b = aC1.b + aC2.b;
return CCOLORRGB( ( r >> 1 ), ( g >> 1 ), ( b >> 1 ) );
}
CCOLORRGB BlendColor( const CCOLORRGB &aC1, const CCOLORRGB &aC2, const CCOLORRGB &aC3 )
{
const unsigned int r = aC1.r + aC2.r + aC3.r;
const unsigned int g = aC1.g + aC2.g + aC3.g;
const unsigned int b = aC1.b + aC2.b + aC3.b;
return CCOLORRGB( ( r / 3 ), ( g / 3 ), ( b / 3 ) );
}
CCOLORRGB BlendColor( const CCOLORRGB &aC1, const CCOLORRGB &aC2, const CCOLORRGB &aC3,
const CCOLORRGB &aC4 )
{
const unsigned int r = aC1.r + aC2.r + aC3.r + aC4.r;
const unsigned int g = aC1.g + aC2.g + aC3.g + aC4.g;
const unsigned int b = aC1.b + aC2.b + aC3.b + aC4.b;
return CCOLORRGB( ( r >> 2 ), ( g >> 2 ), ( b >> 2 ) );
}