118 lines
3.8 KiB
C++
118 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) 2020 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 <render_settings.h>
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using namespace KIGFX;
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RENDER_SETTINGS::RENDER_SETTINGS() :
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m_highlightNetcodes(),
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m_drawBoundingBoxes( false ),
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m_dashLengthRatio( 12 ), // From ISO 128-2
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m_gapLengthRatio( 3 ), // From ISO 128-2
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m_printDC( nullptr )
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{
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// Set the default initial values
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m_activeLayer = F_Cu;
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m_highlightFactor = 0.5f;
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m_selectFactor = 0.5f;
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m_highlightEnabled = false;
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m_hiContrastEnabled = false;
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m_hiContrastFactor = 0.2f;
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m_outlineWidth = 1;
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m_drawingSheetLineWidth = 100000;
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m_defaultPenWidth = 0;
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m_minPenWidth = 0;
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m_isPrinting = false;
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m_printBlackAndWite = false;
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}
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RENDER_SETTINGS::~RENDER_SETTINGS()
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{
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}
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#if 0
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constexpr double correction = 0.8; // Looks best visually
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#else
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constexpr double correction = 1.0; // Matches ISO 128-2
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#endif
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double RENDER_SETTINGS::GetDashLength( int aLineWidth ) const
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{
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return std::max( m_dashLengthRatio - correction, 1.0 ) * aLineWidth;
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}
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double RENDER_SETTINGS::GetDotLength( int aLineWidth ) const
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{
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return ( 1.0 - correction ) * aLineWidth;
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}
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double RENDER_SETTINGS::GetGapLength( int aLineWidth ) const
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{
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return std::max( m_gapLengthRatio + correction, 1.0 ) * aLineWidth;
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}
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void RENDER_SETTINGS::update()
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{
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// Calculate darkened/highlighted variants of layer colors
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for( int i = 0; i < LAYER_ID_COUNT; i++ )
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{
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m_hiContrastColor[i] = m_layerColors[i].Mix( m_layerColors[LAYER_PCB_BACKGROUND],
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m_hiContrastFactor );
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m_layerColorsHi[i] = m_layerColors[i].Brightened( m_highlightFactor );
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m_layerColorsDark[i] = m_layerColors[i].Darkened( 1.0 - m_highlightFactor );
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// Skip selection brightening for things close to black, and netname text
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if( IsNetnameLayer( i ) || m_layerColors[i].GetBrightness() < 0.05 )
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{
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m_layerColorsSel[i] = m_layerColors[i];
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continue;
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}
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// Linear brightening doesn't work well for colors near white
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double factor = ( m_selectFactor * 0.5 ) + pow( m_layerColors[i].GetBrightness(), 3 );
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factor = std::min( 1.0, factor );
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m_layerColorsSel[i] = m_layerColors[i].Brightened( factor );
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// If we are maxed out on brightening as a highlight, fallback to darkening but keep
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// the blue that acts as a "glowing" color
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if( std::fabs( m_layerColorsSel[i].GetBrightness() - m_layerColors[i].GetBrightness() )
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< 0.05 )
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{
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m_layerColorsSel[i] = m_layerColors[i].Darkened( m_selectFactor * 0.4 );
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m_layerColorsSel[i].b = m_layerColors[i].b * ( 1.0 - factor ) + factor;
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}
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}
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}
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