115 lines
3.3 KiB
C++
115 lines
3.3 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2021 Ola Rinta-Koski
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* Copyright (C) 2021 KiCad Developers, see AUTHORS.txt for contributors.
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*
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* This program is free software: you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <eda_angle.h>
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EDA_ANGLE EDA_ANGLE::m_angle0 = EDA_ANGLE( 0, EDA_ANGLE::DEGREES );
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EDA_ANGLE EDA_ANGLE::m_angle90 = EDA_ANGLE( 90, EDA_ANGLE::DEGREES );
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EDA_ANGLE EDA_ANGLE::m_angle180 = EDA_ANGLE( 180, EDA_ANGLE::DEGREES );
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EDA_ANGLE EDA_ANGLE::m_angle270 = EDA_ANGLE( 270, EDA_ANGLE::DEGREES );
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EDA_ANGLE EDA_ANGLE::m_angle360 = EDA_ANGLE( 360, EDA_ANGLE::DEGREES );
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EDA_ANGLE EDA_ANGLE::KeepUpright() const
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{
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EDA_ANGLE inAngle( *this );
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inAngle.Normalize();
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int inDegrees = inAngle.AsDegrees();
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int outDegrees;
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if( inDegrees <= 45 || inDegrees >= 315 || ( inDegrees > 135 && inDegrees <= 225 ) )
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outDegrees = 0;
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else
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outDegrees = 90;
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return EDA_ANGLE( outDegrees, EDA_ANGLE::DEGREES );
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}
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void EDA_ANGLE::normalize( bool n720 )
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{
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if( GetInitialAngleType() == EDA_ANGLE::RADIANS )
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{
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m_radians = normalize( m_radians, EDA_ANGLE::RADIANS, n720 );
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m_value = int( m_radians / TENTHS_OF_A_DEGREE_TO_RADIANS );
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}
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else
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{
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m_value = normalize( m_value, EDA_ANGLE::TENTHS_OF_A_DEGREE, n720 );
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}
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}
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int EDA_ANGLE::normalize( int aValue, ANGLE_TYPE aAngleType, bool n720 ) const
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{
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int full_circle_upper;
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switch( aAngleType )
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{
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case DEGREES:
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full_circle_upper = DEGREES_FULL_CIRCLE;
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break;
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case TENTHS_OF_A_DEGREE:
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full_circle_upper = TENTHS_OF_A_DEGREE_FULL_CIRCLE;
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break;
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case RADIANS:
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/* ?? should not get here */
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assert( 1 == 0 );
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}
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/* if n720 == false, clamp between 0..full_circle_upper
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* if n720 == true, clamp between +/- full_circle_upper
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*/
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int full_circle_lower = n720 ? 0 : -full_circle_upper;
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while( aValue < full_circle_lower )
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aValue += full_circle_upper;
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while( aValue > full_circle_upper )
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aValue -= full_circle_upper;
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return aValue;
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}
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double EDA_ANGLE::normalize( double aValue, ANGLE_TYPE aAngleType, bool n720 ) const
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{
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double full_circle_upper;
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switch( aAngleType )
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{
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case DEGREES: full_circle_upper = DEGREES_FULL_CIRCLE; break;
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case TENTHS_OF_A_DEGREE: full_circle_upper = TENTHS_OF_A_DEGREE_FULL_CIRCLE; break;
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case RADIANS: full_circle_upper = RADIANS_FULL_CIRCLE; break;
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}
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double full_circle_lower = n720 ? 0 : -full_circle_upper;
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while( aValue < full_circle_lower )
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aValue += full_circle_upper;
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while( aValue > full_circle_upper )
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aValue -= full_circle_upper;
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return aValue;
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}
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