kicad/common/basic_gal.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2018 Jean-Pierre Charras, jp.charras at wanadoo.fr
* Copyright (C) 1992-2018 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
*/
/**
* @brief Implement a very basic GAL used to draw, plot and convert texts in segments
* for DRC functions, using the common GAL functions.
* Draw functions use wxDC.
* Plot functions use a PLOTTER
* Convert texts in segments use a callback function created by the caller
* @file basic_gal.cpp
*/
#include <gr_basic.h>
#include <plotter.h>
#include <trigo.h>
#include <basic_gal.h>
using namespace KIGFX;
KIGFX::GAL_DISPLAY_OPTIONS basic_displayOptions;
// the basic GAL doesn't get an external display option object
BASIC_GAL basic_gal( basic_displayOptions );
const VECTOR2D BASIC_GAL::transform( const VECTOR2D& aPoint ) const
{
VECTOR2D point = aPoint + m_transform.m_moveOffset - m_transform.m_rotCenter;
point = point.Rotate( m_transform.m_rotAngle ) + m_transform.m_rotCenter;
return point;
}
// Draws a polyline given a list of points already transformed into the local coordinate
// system.
void BASIC_GAL::doDrawPolyline( const std::vector<wxPoint>& aLocalPointList )
{
if( m_DC )
{
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if( m_isFillEnabled )
{
GRPoly( m_isClipped ? &m_clipBox : NULL, m_DC, aLocalPointList.size(),
&aLocalPointList[0], 0, GetLineWidth(), m_Color, m_Color );
}
else
{
for( unsigned ii = 1; ii < aLocalPointList.size(); ++ii )
{
GRCSegm( m_isClipped ? &m_clipBox : NULL, m_DC, aLocalPointList[ ii - 1],
aLocalPointList[ii], GetLineWidth(), m_Color );
}
}
}
else if( m_plotter )
{
m_plotter->MoveTo( aLocalPointList[0] );
for( unsigned ii = 1; ii < aLocalPointList.size(); ii++ )
{
m_plotter->LineTo( aLocalPointList[ii] );
}
m_plotter->PenFinish();
}
else if( m_callback )
{
for( unsigned ii = 1; ii < aLocalPointList.size(); ii++ )
{
m_callback( aLocalPointList[ ii - 1].x, aLocalPointList[ ii - 1].y,
aLocalPointList[ii].x, aLocalPointList[ii].y, m_callbackData );
}
}
}
void BASIC_GAL::DrawPolyline( const std::deque<VECTOR2D>& aPointList )
{
if( aPointList.size() < 2 )
return;
std::vector<wxPoint> polyline_corners;
for( const VECTOR2D& pt : aPointList )
polyline_corners.emplace_back( (wxPoint) transform( pt ) );
doDrawPolyline( polyline_corners );
}
void BASIC_GAL::DrawPolyline( const VECTOR2D aPointList[], int aListSize )
{
if( aListSize < 2 )
return;
std::vector<wxPoint> polyline_corners;
for( int ii = 0; ii < aListSize; ++ii )
polyline_corners.emplace_back( (wxPoint) transform( aPointList[ ii ] ) );
doDrawPolyline( polyline_corners );
}
void BASIC_GAL::DrawLine( const VECTOR2D& aStartPoint, const VECTOR2D& aEndPoint )
{
VECTOR2D startVector = transform( aStartPoint );
VECTOR2D endVector = transform( aEndPoint );
if( m_DC )
{
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if( m_isFillEnabled )
{
GRLine( m_isClipped ? &m_clipBox : NULL, m_DC, startVector.x, startVector.y,
endVector.x, endVector.y, GetLineWidth(), m_Color );
}
else
{
GRCSegm( m_isClipped ? &m_clipBox : NULL, m_DC, startVector.x, startVector.y,
endVector.x, endVector.y, GetLineWidth(), 0, m_Color );
}
}
else if( m_plotter )
{
m_plotter->MoveTo( wxPoint( startVector.x, startVector.y ) );
m_plotter->LineTo( wxPoint( endVector.x, endVector.y ) );
m_plotter->PenFinish();
}
else if( m_callback )
{
m_callback( startVector.x, startVector.y,
endVector.x, endVector.y, m_callbackData );
}
}