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0b2d4d4879
Recommendation is to avoid using the year nomenclature as this information is already encoded in the git repo. Avoids needing to repeatly update. Also updates AUTHORS.txt from current repo with contributor names
140 lines
4.5 KiB
C++
140 lines
4.5 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 The 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
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU 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
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <gal/graphics_abstraction_layer.h>
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#include <preview_items/draw_context.h>
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#include <preview_items/preview_utils.h>
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#include <view/view.h>
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using namespace KIGFX::PREVIEW;
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using KIGFX::COLOR4D;
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static constexpr double ANGLE_EPSILON = 1e-9;
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static bool angleIsSpecial( EDA_ANGLE aAngle )
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{
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return std::fabs( std::remainder( aAngle.AsRadians(), M_PI_4 ) ) < ANGLE_EPSILON;
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}
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static COLOR4D deemphasise( const COLOR4D& aColor, bool aDeEmphasised )
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{
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return aColor.WithAlpha( PreviewOverlayDeemphAlpha( aDeEmphasised ) );
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}
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DRAW_CONTEXT::DRAW_CONTEXT( KIGFX::VIEW& aView )
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: m_gal( *aView.GetGAL() ),
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m_render_settings( *aView.GetPainter()->GetSettings() ),
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m_currLayer( LAYER_AUX_ITEMS ),
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m_lineWidth( 1.0f )
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{
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}
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void DRAW_CONTEXT::DrawCircle( const VECTOR2I& aOrigin, double aRad, bool aDeEmphasised )
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{
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const COLOR4D& color = m_render_settings.GetLayerColor( m_currLayer );
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m_gal.SetLineWidth( m_lineWidth );
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m_gal.SetStrokeColor( deemphasise( color, aDeEmphasised ) );
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m_gal.SetIsStroke( true );
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m_gal.SetIsFill( false );
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m_gal.DrawCircle( aOrigin, aRad );
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}
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void DRAW_CONTEXT::DrawCircleDashed( const VECTOR2I& aOrigin, double aRad, double aStepAngle,
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double aFillAngle, bool aDeEmphasised )
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{
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const COLOR4D& color = m_render_settings.GetLayerColor( m_currLayer );
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m_gal.SetLineWidth( m_lineWidth );
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m_gal.SetStrokeColor( deemphasise( color, aDeEmphasised ) );
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m_gal.SetIsStroke( true );
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m_gal.SetIsFill( false );
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for( int i = 0; i < 360; i += aStepAngle )
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{
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m_gal.DrawArc( aOrigin, aRad, EDA_ANGLE( i, DEGREES_T ),
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EDA_ANGLE( i + aFillAngle, DEGREES_T ) );
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}
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}
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void DRAW_CONTEXT::DrawLine( const VECTOR2I& aStart, const VECTOR2I& aEnd, bool aDeEmphasised )
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{
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COLOR4D strokeColor = m_render_settings.GetLayerColor( m_currLayer );
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m_gal.SetLineWidth( m_lineWidth );
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m_gal.SetIsStroke( true );
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m_gal.SetStrokeColor( deemphasise( strokeColor, aDeEmphasised ) );
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m_gal.DrawLine( aStart, aEnd );
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}
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void DRAW_CONTEXT::DrawLineDashed( const VECTOR2I& aStart, const VECTOR2I& aEnd, int aDashStep,
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int aDashFill, bool aDeEmphasised )
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{
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COLOR4D strokeColor = m_render_settings.GetLayerColor( m_currLayer );
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m_gal.SetLineWidth( m_lineWidth );
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m_gal.SetIsStroke( true );
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m_gal.SetStrokeColor( deemphasise( strokeColor, aDeEmphasised ) );
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VECTOR2I delta = aEnd - aStart;
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int vecLen = delta.EuclideanNorm();
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for( int i = 0; i < vecLen; i += aDashStep )
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{
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VECTOR2I a = aStart + delta.Resize( i );
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VECTOR2I b = aStart + delta.Resize( std::min( i + aDashFill, vecLen ) );
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m_gal.DrawLine( a, b );
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}
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}
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void DRAW_CONTEXT::DrawLineWithAngleHighlight( const VECTOR2I& aStart, const VECTOR2I& aEnd,
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bool aDeEmphasised )
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{
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const VECTOR2I vec = aEnd - aStart;
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COLOR4D strokeColor = m_render_settings.GetLayerColor( m_currLayer );
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if( angleIsSpecial( EDA_ANGLE( vec ) ) )
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strokeColor = getSpecialAngleColour();
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m_gal.SetLineWidth( m_lineWidth );
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m_gal.SetIsStroke( true );
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m_gal.SetStrokeColor( deemphasise( strokeColor, aDeEmphasised ) );
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m_gal.DrawLine( aStart, aEnd );
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}
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COLOR4D DRAW_CONTEXT::getSpecialAngleColour() const
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{
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return m_render_settings.IsBackgroundDark() ? COLOR4D( 0.5, 1.0, 0.5, 1.0 ) :
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COLOR4D( 0.0, 0.7, 0.0, 1.0 );
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} |