100 lines
2.7 KiB
C++
100 lines
2.7 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) 2013 CERN
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* @author Tomasz Wlostowski <tomasz.wlostowski@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 <preview_items/selection_area.h>
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#include <gal/graphics_abstraction_layer.h>
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#include <view/view.h>
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using namespace KIGFX::PREVIEW;
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// Selection area colours
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const COLOR4D SELECT_MODE_NORMAL( 0.3, 0.3, 0.7, 0.3 ); // Slight blue
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const COLOR4D SELECT_MODE_ADDITIVE( 0.3, 0.7, 0.3, 0.3 ); // Slight green
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const COLOR4D SELECT_MODE_SUBTRACT( 0.7, 0.3, 0.3, 0.3 ); // Slight red
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const COLOR4D SELECT_OUTLINE_L2R( 1.0, 1.0, 0.4, 1.0 );
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const COLOR4D SELECT_OUTLINE_R2L( 0.4, 0.4, 1.0, 1.0 );
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SELECTION_AREA::SELECTION_AREA() :
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m_additive( false ),
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m_subtractive( false )
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{
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SetStrokeColor( SELECT_OUTLINE_L2R );
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SetFillColor( SELECT_MODE_NORMAL );
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}
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void SELECTION_AREA::SetAdditive( bool aAdditive )
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{
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m_additive = aAdditive;
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if( m_additive )
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m_subtractive = false;
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}
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void SELECTION_AREA::SetSubtractive( bool aSubtractive )
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{
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m_subtractive = aSubtractive;
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if( m_subtractive )
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m_additive = false;
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}
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const BOX2I SELECTION_AREA::ViewBBox() const
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{
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BOX2I tmp;
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tmp.SetOrigin( m_origin );
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tmp.SetEnd( m_end );
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tmp.Normalize();
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return tmp;
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}
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void SELECTION_AREA::drawPreviewShape( KIGFX::GAL& aGal ) const
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{
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// Set the fill of the selection rectangle
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// based on the selection mode
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if( m_additive )
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{
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aGal.SetFillColor( SELECT_MODE_ADDITIVE );
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}
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else if( m_subtractive )
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{
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aGal.SetFillColor( SELECT_MODE_SUBTRACT );
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}
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else
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{
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aGal.SetFillColor( SELECT_MODE_NORMAL );
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}
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// Set the stroke color to indicate window or crossing selection
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aGal.SetStrokeColor( ( m_origin.x <= m_end.x ) ? SELECT_OUTLINE_L2R : SELECT_OUTLINE_R2L );
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aGal.DrawRectangle( m_origin, m_end );
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}
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