124 lines
3.8 KiB
C++
124 lines
3.8 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 <painter.h>
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#include <view/view.h>
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using namespace KIGFX::PREVIEW;
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struct SELECTION_COLORS
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{
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COLOR4D normal;
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COLOR4D additive;
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COLOR4D subtract;
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COLOR4D exclusiveOr;
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COLOR4D outline_l2r;
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COLOR4D outline_r2l;
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};
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static const SELECTION_COLORS selectionColorScheme[2] = {
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{ // dark background
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COLOR4D( 0.3, 0.3, 0.7, 0.3 ), // Slight blue
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COLOR4D( 0.3, 0.7, 0.3, 0.3 ), // Slight green
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COLOR4D( 0.7, 0.3, 0.3, 0.3 ), // Slight red
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COLOR4D( 0.7, 0.3, 0.3, 0.3 ), // Slight red
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COLOR4D( 1.0, 1.0, 0.4, 1.0 ), // yellow
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COLOR4D( 0.4, 0.4, 1.0, 1.0 ) // blue
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},
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{ // bright background
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COLOR4D( 0.5, 0.3, 1.0, 0.5 ), // Slight blue
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COLOR4D( 0.5, 1.0, 0.5, 0.5 ), // Slight green
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COLOR4D( 1.0, 0.5, 0.5, 0.5 ), // Slight red
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COLOR4D( 1.0, 0.5, 0.5, 0.5 ), // Slight red
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COLOR4D( 0.7, 0.7, 0.0, 1.0 ), // yellow
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COLOR4D( 0.1, 0.1, 1.0, 1.0 ) // blue
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}
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};
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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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m_exclusiveOr( false )
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{
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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::ViewDraw( int aLayer, KIGFX::VIEW* aView ) const
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{
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KIGFX::GAL& gal = *aView->GetGAL();
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RENDER_SETTINGS* settings = aView->GetPainter()->GetSettings();
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const SELECTION_COLORS& scheme = settings->IsBackgroundDark() ? selectionColorScheme[0]
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: selectionColorScheme[1];
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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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gal.SetFillColor( scheme.additive );
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else if( m_subtractive )
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gal.SetFillColor( scheme.subtract );
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else if( m_exclusiveOr )
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gal.SetFillColor( scheme.exclusiveOr );
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else
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gal.SetFillColor( scheme.normal );
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gal.SetIsStroke( true );
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gal.SetIsFill( true );
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// force 1-pixel-wide line
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gal.SetLineWidth( 0.0 );
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// Set the stroke color to indicate window or crossing selection
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bool windowSelection = ( m_origin.x <= m_end.x ) ? true : false;
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if( aView->IsMirroredX() )
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windowSelection = !windowSelection;
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gal.SetStrokeColor( windowSelection ? scheme.outline_l2r : scheme.outline_r2l );
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gal.SetIsFill( false );
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gal.DrawRectangle( m_origin, m_end );
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gal.SetIsFill( true );
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// draw the fill as the second object so that Z test will not clamp
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// the single-pixel-wide rectangle sides
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gal.DrawRectangle( m_origin, m_end );
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}
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