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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright The KiCad Developers, see AUTHORS.TXT for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <render_settings.h>
using namespace KIGFX;
RENDER_SETTINGS::RENDER_SETTINGS() :
m_highlightNetcodes(),
m_drawBoundingBoxes( false ),
m_dashLengthRatio( 12 ), // From ISO 128-2
m_gapLengthRatio( 3 ), // From ISO 128-2
m_printDC( nullptr )
{
// Set the default initial values
m_activeLayer = F_Cu;
m_highlightFactor = 0.5f;
m_selectFactor = 0.5f;
m_highlightEnabled = false;
m_hiContrastEnabled = false;
m_hiContrastFactor = 0.2f;
m_outlineWidth = 1;
m_drawingSheetLineWidth = 100000;
m_defaultPenWidth = 0;
m_minPenWidth = 0;
m_isPrinting = false;
m_printBlackAndWite = false;
}
RENDER_SETTINGS::~RENDER_SETTINGS()
{
}
#if 0
constexpr double correction = 0.8; // Looks best visually
#else
constexpr double correction = 1.0; // Matches ISO 128-2, but can creates issues on GTK and MSW:
// "dots" are not always visible depending on the zoom level
// because they create 0 lenght lines
// So they will drawn as segments, even with correction = 1.0
#endif
double RENDER_SETTINGS::GetDashLength( int aLineWidth ) const
{
return std::max( m_dashLengthRatio - correction, 1.0 ) * aLineWidth;
}
double RENDER_SETTINGS::GetDotLength( int aLineWidth ) const
{
// The minimal length scale is arbitrary set to 0.2 after trials
// 0 lenght can create drawing issues
return std::max( ( 1.0 - correction ), 0.2 ) * aLineWidth;
}
double RENDER_SETTINGS::GetGapLength( int aLineWidth ) const
{
return std::max( m_gapLengthRatio + correction, 1.0 ) * aLineWidth;
}
void RENDER_SETTINGS::update()
{
// Calculate darkened/highlighted variants of layer colors
for( int i = 0; i < LAYER_ID_COUNT; i++ )
{
m_hiContrastColor[i] = m_layerColors[i].Mix( m_layerColors[LAYER_PCB_BACKGROUND],
m_hiContrastFactor );
m_layerColorsHi[i] = m_layerColors[i].Brightened( m_highlightFactor );
m_layerColorsDark[i] = m_layerColors[i].Darkened( 1.0 - m_highlightFactor );
// Skip selection brightening for things close to black, and netname text
if( IsNetnameLayer( i ) || m_layerColors[i].GetBrightness() < 0.05 )
{
m_layerColorsSel[i] = m_layerColors[i];
continue;
}
// Linear brightening doesn't work well for colors near white
double factor = ( m_selectFactor * 0.5 ) + pow( m_layerColors[i].GetBrightness(), 3 );
factor = std::min( 1.0, factor );
m_layerColorsSel[i] = m_layerColors[i].Brightened( factor );
// If we are maxed out on brightening as a highlight, fallback to darkening but keep
// the blue that acts as a "glowing" color
if( std::fabs( m_layerColorsSel[i].GetBrightness() - m_layerColors[i].GetBrightness() )
< 0.05 )
{
m_layerColorsSel[i] = m_layerColors[i].Darkened( m_selectFactor * 0.4 );
m_layerColorsSel[i].b = m_layerColors[i].b * ( 1.0 - factor ) + factor;
}
}
}
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