318 lines
8.3 KiB
C++
318 lines
8.3 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) 2014-2019 CERN
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* Copyright (C) 2021 KiCad Developers, see AUTHORS.txt for contributors.
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* @author Maciej Suminski <maciej.suminski@cern.ch>
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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 <gal/color4d.h>
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#include <painter.h>
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#include <math/util.h> // for KiROUND
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#include "tool/edit_points.h"
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bool EDIT_POINT::WithinPoint( const VECTOR2I& aPoint, unsigned int aSize ) const
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{
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// Corners of the EDIT_POINT square
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VECTOR2I topLeft = GetPosition() - aSize;
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VECTOR2I bottomRight = GetPosition() + aSize;
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return ( aPoint.x > topLeft.x && aPoint.y > topLeft.y &&
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aPoint.x < bottomRight.x && aPoint.y < bottomRight.y );
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}
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EDIT_POINTS::EDIT_POINTS( EDA_ITEM* aParent )
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: EDA_ITEM( NOT_USED ), m_parent( aParent ), m_allowPoints( true )
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{
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}
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EDIT_POINT* EDIT_POINTS::FindPoint( const VECTOR2I& aLocation, KIGFX::VIEW *aView ) // fixme: ugly
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{
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unsigned size = std::abs( KiROUND( aView->ToWorld( EDIT_POINT::POINT_SIZE ) ) );
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if( m_allowPoints )
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{
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for( EDIT_POINT& point : m_points )
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{
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if( point.WithinPoint( aLocation, size ) )
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return &point;
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}
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}
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for( EDIT_LINE& line : m_lines )
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{
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if( line.WithinPoint( aLocation, size ) )
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return &line;
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}
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return nullptr;
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}
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int EDIT_POINTS::GetContourStartIdx( int aPointIdx ) const
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{
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int lastIdx = 0;
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for( int idx : m_contours )
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{
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if( idx >= aPointIdx )
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return lastIdx;
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lastIdx = idx + 1;
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}
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return lastIdx;
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}
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int EDIT_POINTS::GetContourEndIdx( int aPointIdx ) const
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{
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for( int idx : m_contours )
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{
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if( idx >= aPointIdx )
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return idx;
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}
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return m_points.size() - 1;
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}
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bool EDIT_POINTS::IsContourStart( int aPointIdx ) const
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{
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for( int idx : m_contours )
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{
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if( idx + 1 == aPointIdx )
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return true;
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// the list is sorted, so we cannot expect it any further
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if( idx > aPointIdx )
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break;
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}
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return ( aPointIdx == 0 );
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}
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bool EDIT_POINTS::IsContourEnd( int aPointIdx ) const
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{
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for( int idx : m_contours )
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{
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if( idx == aPointIdx )
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return true;
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// the list is sorted, so we cannot expect it any further
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if( idx > aPointIdx )
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break;
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}
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// the end of the list surely is the end of a contour
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return ( aPointIdx == (int) m_points.size() - 1 );
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}
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EDIT_POINT* EDIT_POINTS::Previous( const EDIT_POINT& aPoint, bool aTraverseContours )
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{
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for( unsigned int i = 0; i < m_points.size(); ++i )
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{
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if( m_points[i] == aPoint )
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{
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if( !aTraverseContours && IsContourStart( i ) )
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return &m_points[GetContourEndIdx( i )];
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if( i == 0 )
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return &m_points[m_points.size() - 1];
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else
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return &m_points[i - 1];
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}
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}
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return nullptr;
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}
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EDIT_LINE* EDIT_POINTS::Previous( const EDIT_LINE& aLine )
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{
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for( unsigned int i = 0; i < m_lines.size(); ++i )
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{
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if( m_lines[i] == aLine )
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{
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if( i == 0 )
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return &m_lines[m_lines.size() - 1];
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else
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return &m_lines[i - 1];
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}
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}
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return nullptr;
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}
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EDIT_POINT* EDIT_POINTS::Next( const EDIT_POINT& aPoint, bool aTraverseContours )
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{
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for( unsigned int i = 0; i < m_points.size(); ++i )
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{
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if( m_points[i] == aPoint )
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{
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if( !aTraverseContours && IsContourEnd( i ) )
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return &m_points[GetContourStartIdx( i )];
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if( i == m_points.size() - 1 )
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return &m_points[0];
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else
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return &m_points[i + 1];
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}
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}
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return nullptr;
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}
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EDIT_LINE* EDIT_POINTS::Next( const EDIT_LINE& aLine )
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{
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for( unsigned int i = 0; i < m_lines.size(); ++i )
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{
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if( m_lines[i] == aLine )
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{
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if( i == m_lines.size() - 1 )
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return &m_lines[0];
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else
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return &m_lines[i + 1];
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}
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}
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return nullptr;
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}
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const BOX2I EDIT_POINTS::ViewBBox() const
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{
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BOX2I box;
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bool empty = true;
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for( const auto& point : m_points )
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{
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if( empty )
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{
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box.SetOrigin( point.GetPosition() );
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empty = false;
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}
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else
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{
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box.Merge( point.GetPosition() );
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}
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}
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for( const auto& line : m_lines )
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{
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if( empty )
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{
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box.SetOrigin( line.GetOrigin().GetPosition() );
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box.SetEnd( line.GetEnd().GetPosition() );
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empty = false;
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}
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else
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{
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box.Merge( line.GetOrigin().GetPosition() );
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box.Merge( line.GetEnd().GetPosition() );
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}
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}
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return box;
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}
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void EDIT_POINTS::ViewDraw( int aLayer, KIGFX::VIEW* aView ) const
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{
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KIGFX::GAL* gal = aView->GetGAL();
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KIGFX::RENDER_SETTINGS* settings = aView->GetPainter()->GetSettings();
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KIGFX::COLOR4D drawColor = settings->GetLayerColor( LAYER_AUX_ITEMS );
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// Don't assume LAYER_AUX_ITEMS is always a good choice. Compare with background.
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if( aView->GetGAL()->GetClearColor().Distance( drawColor ) < 0.5 )
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drawColor.Invert();
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// Linear darkening doesn't fit well with human color perception, and there's no guarantee
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// that there's enough room for contrast either.
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KIGFX::COLOR4D borderColor;
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KIGFX::COLOR4D highlightColor;
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double brightness = drawColor.GetBrightness();
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if( brightness > 0.5 )
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{
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borderColor = drawColor.Darkened( 0.3 ).WithAlpha( 0.8 );
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highlightColor = drawColor.Brightened( 0.6 ).WithAlpha( 0.8 );
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}
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else if( brightness > 0.2 )
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{
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borderColor = drawColor.Darkened( 0.6 ).WithAlpha( 0.8 );
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highlightColor = drawColor.Brightened( 0.3 ).WithAlpha( 0.8 );
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}
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else
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{
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borderColor = drawColor.Brightened( 0.3 ).WithAlpha( 0.8 );
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highlightColor = drawColor.Brightened( 0.6 ).WithAlpha( 0.8 );
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}
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gal->SetFillColor( drawColor );
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gal->SetStrokeColor( borderColor );
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gal->SetIsFill( true );
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gal->SetIsStroke( true );
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gal->PushDepth();
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gal->SetLayerDepth( gal->GetMinDepth() );
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double size = aView->ToWorld( EDIT_POINT::POINT_SIZE ) / 2.0;
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double borderSize = aView->ToWorld( EDIT_POINT::BORDER_SIZE );
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double hoverSize = aView->ToWorld( EDIT_POINT::HOVER_SIZE );
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auto drawPoint =
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[&]( const EDIT_POINT& aPoint, bool aDrawCircle = false )
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{
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if( aPoint.IsHover() || aPoint.IsActive() )
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{
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gal->SetStrokeColor( highlightColor );
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gal->SetLineWidth( hoverSize );
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}
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else
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{
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gal->SetStrokeColor( borderColor );
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gal->SetLineWidth( borderSize );
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}
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gal->SetFillColor( drawColor );
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if( aDrawCircle )
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gal->DrawCircle( aPoint.GetPosition(), size );
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else
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gal->DrawRectangle( aPoint.GetPosition() - size, aPoint.GetPosition() + size );
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};
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for( const EDIT_POINT& point : m_points )
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drawPoint( point );
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for( const EDIT_LINE& line : m_lines )
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drawPoint( line, true );
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gal->PopDepth();
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}
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