593 lines
16 KiB
C++
593 lines
16 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) 2017 Jean-Pierre Charras, jp.charras at wanadoo.fr
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* Copyright (C) 2017 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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/**
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* @file plotter.cpp
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* @brief KiCad: Base of all the specialized plotters
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* the class PLOTTER handle basic functions to plot schematic and boards
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* with different plot formats.
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*
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* There are currently engines for:
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* HPGL
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* POSTSCRIPT
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* GERBER
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* DXF
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* an SVG 'plot' is also provided along with the 'print' function by wx, but
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* is not handled here.
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*/
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#include <fctsys.h>
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#include <vector>
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#include <trigo.h>
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#include <eda_base_frame.h>
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#include <base_struct.h>
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#include <common.h>
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#include <plotter.h>
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#include <macros.h>
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#include <base_screen.h>
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#include <gr_text.h>
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#include <geometry/shape_line_chain.h>
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#include <geometry/geometry_utils.h>
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#include <bezier_curves.h>
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PLOTTER::PLOTTER( )
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{
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plotScale = 1;
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defaultPenWidth = 0;
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currentPenWidth = -1; // To-be-set marker
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penState = 'Z'; // End-of-path idle
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m_plotMirror = false; // Plot mirror option flag
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m_mirrorIsHorizontal = true;
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m_yaxisReversed = false;
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outputFile = 0;
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colorMode = false; // Starts as a BW plot
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negativeMode = false;
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// Temporary init to avoid not initialized vars, will be set later
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m_IUsPerDecimil = 1; // will be set later to the actual value
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iuPerDeviceUnit = 1; // will be set later to the actual value
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}
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PLOTTER::~PLOTTER()
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{
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// Emergency cleanup, but closing the file is
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// usually made in EndPlot().
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if( outputFile )
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fclose( outputFile );
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}
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bool PLOTTER::OpenFile( const wxString& aFullFilename )
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{
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filename = aFullFilename;
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wxASSERT( !outputFile );
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// Open the file in text mode (not suitable for all plotters
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// but only for most of them
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outputFile = wxFopen( filename, wxT( "wt" ) );
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if( outputFile == NULL )
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return false ;
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return true;
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}
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DPOINT PLOTTER::userToDeviceCoordinates( const wxPoint& aCoordinate )
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{
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wxPoint pos = aCoordinate - plotOffset;
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double x = pos.x * plotScale;
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double y = ( paperSize.y - pos.y * plotScale );
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if( m_plotMirror )
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{
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if( m_mirrorIsHorizontal )
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x = ( paperSize.x - pos.x * plotScale );
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else
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y = pos.y * plotScale;
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}
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if( m_yaxisReversed )
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y = paperSize.y - y;
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x *= iuPerDeviceUnit;
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y *= iuPerDeviceUnit;
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return DPOINT( x, y );
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}
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DPOINT PLOTTER::userToDeviceSize( const wxSize& size )
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{
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return DPOINT( size.x * plotScale * iuPerDeviceUnit,
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size.y * plotScale * iuPerDeviceUnit );
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}
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double PLOTTER::userToDeviceSize( double size ) const
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{
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return size * plotScale * iuPerDeviceUnit;
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}
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#define IU_PER_MILS ( m_IUsPerDecimil * 10 )
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double PLOTTER::GetDotMarkLenIU() const
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{
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return userToDeviceSize( DOT_MARK_LEN( GetCurrentLineWidth() ) );
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}
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double PLOTTER::GetDashMarkLenIU() const
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{
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return userToDeviceSize( DASH_MARK_LEN( GetCurrentLineWidth() ) );
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}
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double PLOTTER::GetDashGapLenIU() const
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{
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return userToDeviceSize( DASH_GAP_LEN( GetCurrentLineWidth() ) );
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}
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void PLOTTER::Arc( const wxPoint& centre, double StAngle, double EndAngle, int radius,
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FILL_T fill, int width )
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{
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wxPoint start, end;
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const int delta = 50; // increment (in 0.1 degrees) to draw circles
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if( StAngle > EndAngle )
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std::swap( StAngle, EndAngle );
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SetCurrentLineWidth( width );
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/* Please NOTE the different sign due to Y-axis flip */
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start.x = centre.x + KiROUND( cosdecideg( radius, -StAngle ) );
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start.y = centre.y + KiROUND( sindecideg( radius, -StAngle ) );
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if( fill != NO_FILL )
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{
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MoveTo( centre );
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LineTo( start );
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}
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else
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{
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MoveTo( start );
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}
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for( int ii = StAngle + delta; ii < EndAngle; ii += delta )
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{
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end.x = centre.x + KiROUND( cosdecideg( radius, -ii ) );
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end.y = centre.y + KiROUND( sindecideg( radius, -ii ) );
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LineTo( end );
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}
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end.x = centre.x + KiROUND( cosdecideg( radius, -EndAngle ) );
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end.y = centre.y + KiROUND( sindecideg( radius, -EndAngle ) );
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if( fill != NO_FILL )
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{
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LineTo( end );
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FinishTo( centre );
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}
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else
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{
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FinishTo( end );
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}
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}
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void PLOTTER::BezierCurve( const wxPoint& aStart, const wxPoint& aControl1,
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const wxPoint& aControl2, const wxPoint& aEnd,
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int aTolerance, int aLineThickness )
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{
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// Generic fallback: Quadratic Bezier curve plotted as a polyline
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int minSegLen = aLineThickness; // The segment min length to approximate a bezier curve
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std::vector<wxPoint> ctrlPoints;
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ctrlPoints.push_back( aStart );
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ctrlPoints.push_back( aControl1 );
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ctrlPoints.push_back( aControl2 );
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ctrlPoints.push_back( aEnd );
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BEZIER_POLY bezier_converter( ctrlPoints );
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std::vector<wxPoint> approxPoints;
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bezier_converter.GetPoly( approxPoints, minSegLen );
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SetCurrentLineWidth( aLineThickness );
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MoveTo( aStart );
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for( unsigned ii = 1; ii < approxPoints.size()-1; ii++ )
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LineTo( approxPoints[ii] );
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FinishTo( aEnd );
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}
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void PLOTTER::PlotImage(const wxImage & aImage, const wxPoint& aPos, double aScaleFactor )
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{
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wxSize size( aImage.GetWidth() * aScaleFactor,
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aImage.GetHeight() * aScaleFactor );
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wxPoint start = aPos;
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start.x -= size.x / 2;
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start.y -= size.y / 2;
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wxPoint end = start;
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end.x += size.x;
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end.y += size.y;
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Rect( start, end, NO_FILL );
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}
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void PLOTTER::markerSquare( const wxPoint& position, int radius )
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{
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double r = KiROUND( radius / 1.4142 );
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std::vector< wxPoint > corner_list;
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wxPoint corner;
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corner.x = position.x + r;
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corner.y = position.y + r;
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corner_list.push_back( corner );
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corner.x = position.x + r;
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corner.y = position.y - r;
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corner_list.push_back( corner );
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corner.x = position.x - r;
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corner.y = position.y - r;
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corner_list.push_back( corner );
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corner.x = position.x - r;
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corner.y = position.y + r;
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corner_list.push_back( corner );
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corner.x = position.x + r;
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corner.y = position.y + r;
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corner_list.push_back( corner );
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PlotPoly( corner_list, NO_FILL, GetCurrentLineWidth() );
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}
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void PLOTTER::markerCircle( const wxPoint& position, int radius )
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{
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Circle( position, radius * 2, NO_FILL, GetCurrentLineWidth() );
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}
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void PLOTTER::markerLozenge( const wxPoint& position, int radius )
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{
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std::vector< wxPoint > corner_list;
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wxPoint corner;
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corner.x = position.x;
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corner.y = position.y + radius;
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corner_list.push_back( corner );
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corner.x = position.x + radius;
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corner.y = position.y,
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corner_list.push_back( corner );
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corner.x = position.x;
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corner.y = position.y - radius;
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corner_list.push_back( corner );
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corner.x = position.x - radius;
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corner.y = position.y;
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corner_list.push_back( corner );
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corner.x = position.x;
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corner.y = position.y + radius;
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corner_list.push_back( corner );
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PlotPoly( corner_list, NO_FILL, GetCurrentLineWidth() );
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}
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void PLOTTER::markerHBar( const wxPoint& pos, int radius )
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{
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MoveTo( wxPoint( pos.x - radius, pos.y ) );
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FinishTo( wxPoint( pos.x + radius, pos.y ) );
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}
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void PLOTTER::markerSlash( const wxPoint& pos, int radius )
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{
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MoveTo( wxPoint( pos.x - radius, pos.y - radius ) );
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FinishTo( wxPoint( pos.x + radius, pos.y + radius ) );
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}
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void PLOTTER::markerBackSlash( const wxPoint& pos, int radius )
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{
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MoveTo( wxPoint( pos.x + radius, pos.y - radius ) );
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FinishTo( wxPoint( pos.x - radius, pos.y + radius ) );
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}
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void PLOTTER::markerVBar( const wxPoint& pos, int radius )
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{
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MoveTo( wxPoint( pos.x, pos.y - radius ) );
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FinishTo( wxPoint( pos.x, pos.y + radius ) );
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}
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void PLOTTER::Marker( const wxPoint& position, int diametre, unsigned aShapeId )
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{
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int radius = diametre / 2;
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/* Marker are composed by a series of 'parts' superimposed; not every
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combination make sense, obviously. Since they are used in order I
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tried to keep the uglier/more complex constructions at the end.
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Also I avoided the |/ |\ -/ -\ construction because they're *very*
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ugly... if needed they could be added anyway... I'd like to see
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a board with more than 58 drilling/slotting tools!
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If Visual C++ supported the 0b literals they would be optimally
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and easily encoded as an integer array. We have to do with octal */
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static const unsigned char marker_patterns[MARKER_COUNT] = {
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// Bit order: O Square Lozenge - | \ /
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// First choice: simple shapes
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0003, // X
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0100, // O
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0014, // +
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0040, // Sq
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0020, // Lz
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// Two simple shapes
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0103, // X O
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0017, // X +
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0043, // X Sq
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0023, // X Lz
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0114, // O +
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0140, // O Sq
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0120, // O Lz
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0054, // + Sq
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0034, // + Lz
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0060, // Sq Lz
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// Three simple shapes
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0117, // X O +
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0143, // X O Sq
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0123, // X O Lz
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0057, // X + Sq
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0037, // X + Lz
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0063, // X Sq Lz
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0154, // O + Sq
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0134, // O + Lz
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0074, // + Sq Lz
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// Four simple shapes
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0174, // O Sq Lz +
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0163, // X O Sq Lz
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0157, // X O Sq +
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0137, // X O Lz +
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0077, // X Sq Lz +
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// This draws *everything *
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0177, // X O Sq Lz +
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// Here we use the single bars... so the cross is forbidden
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0110, // O -
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0104, // O |
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0101, // O /
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0050, // Sq -
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0044, // Sq |
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0041, // Sq /
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0030, // Lz -
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0024, // Lz |
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0021, // Lz /
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0150, // O Sq -
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0144, // O Sq |
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0141, // O Sq /
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0130, // O Lz -
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0124, // O Lz |
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0121, // O Lz /
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0070, // Sq Lz -
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0064, // Sq Lz |
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0061, // Sq Lz /
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0170, // O Sq Lz -
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0164, // O Sq Lz |
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0161, // O Sq Lz /
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// Last resort: the backlash component (easy to confound)
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0102, // \ O
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0042, // \ Sq
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0022, // \ Lz
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0142, // \ O Sq
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0122, // \ O Lz
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0062, // \ Sq Lz
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0162 // \ O Sq Lz
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};
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if( aShapeId >= MARKER_COUNT )
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{
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// Fallback shape
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markerCircle( position, radius );
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}
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else
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{
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// Decode the pattern and draw the corresponding parts
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unsigned char pat = marker_patterns[aShapeId];
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if( pat & 0001 )
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markerSlash( position, radius );
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if( pat & 0002 )
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markerBackSlash( position, radius );
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if( pat & 0004 )
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markerVBar( position, radius );
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if( pat & 0010 )
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markerHBar( position, radius );
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if( pat & 0020 )
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markerLozenge( position, radius );
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if( pat & 0040 )
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markerSquare( position, radius );
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if( pat & 0100 )
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markerCircle( position, radius );
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}
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}
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void PLOTTER::segmentAsOval( const wxPoint& start, const wxPoint& end, int width,
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EDA_DRAW_MODE_T tracemode )
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{
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wxPoint center( (start.x + end.x) / 2, (start.y + end.y) / 2 );
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wxSize size( end.x - start.x, end.y - start.y );
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double orient;
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if( size.y == 0 )
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orient = 0;
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else if( size.x == 0 )
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orient = 900;
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else
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orient = -ArcTangente( size.y, size.x );
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size.x = KiROUND( EuclideanNorm( size ) ) + width;
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size.y = width;
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FlashPadOval( center, size, orient, tracemode, NULL );
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}
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void PLOTTER::sketchOval( const wxPoint& pos, const wxSize& aSize, double orient, int width )
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{
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SetCurrentLineWidth( width );
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width = currentPenWidth;
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int radius, deltaxy, cx, cy;
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wxSize size( aSize );
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if( size.x > size.y )
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{
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std::swap( size.x, size.y );
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orient = AddAngles( orient, 900 );
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}
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deltaxy = size.y - size.x; /* distance between centers of the oval */
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radius = ( size.x - width ) / 2;
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cx = -radius;
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cy = -deltaxy / 2;
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RotatePoint( &cx, &cy, orient );
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MoveTo( wxPoint( cx + pos.x, cy + pos.y ) );
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cx = -radius;
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cy = deltaxy / 2;
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RotatePoint( &cx, &cy, orient );
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FinishTo( wxPoint( cx + pos.x, cy + pos.y ) );
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cx = radius;
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cy = -deltaxy / 2;
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RotatePoint( &cx, &cy, orient );
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MoveTo( wxPoint( cx + pos.x, cy + pos.y ) );
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cx = radius;
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cy = deltaxy / 2;
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RotatePoint( &cx, &cy, orient );
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FinishTo( wxPoint( cx + pos.x, cy + pos.y ) );
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cx = 0;
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cy = deltaxy / 2;
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RotatePoint( &cx, &cy, orient );
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Arc( wxPoint( cx + pos.x, cy + pos.y ),
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orient + 1800, orient + 3600,
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radius, NO_FILL );
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cx = 0;
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cy = -deltaxy / 2;
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RotatePoint( &cx, &cy, orient );
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Arc( wxPoint( cx + pos.x, cy + pos.y ),
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orient, orient + 1800,
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radius, NO_FILL );
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}
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void PLOTTER::ThickSegment( const wxPoint& start, const wxPoint& end, int width,
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EDA_DRAW_MODE_T tracemode, void* aData )
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{
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if( tracemode == FILLED )
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{
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SetCurrentLineWidth( width );
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MoveTo( start );
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FinishTo( end );
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}
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else
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{
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SetCurrentLineWidth( -1 );
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segmentAsOval( start, end, width, tracemode );
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}
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}
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void PLOTTER::ThickArc( const wxPoint& centre, double StAngle, double EndAngle,
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int radius, int width, EDA_DRAW_MODE_T tracemode, void* aData )
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{
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if( tracemode == FILLED )
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Arc( centre, StAngle, EndAngle, radius, NO_FILL, width );
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else
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{
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SetCurrentLineWidth( -1 );
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Arc( centre, StAngle, EndAngle,
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radius - ( width - currentPenWidth ) / 2, NO_FILL, -1 );
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Arc( centre, StAngle, EndAngle,
|
|
radius + ( width - currentPenWidth ) / 2, NO_FILL, -1 );
|
|
}
|
|
}
|
|
|
|
|
|
void PLOTTER::ThickRect( const wxPoint& p1, const wxPoint& p2, int width,
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EDA_DRAW_MODE_T tracemode, void* aData )
|
|
{
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|
if( tracemode == FILLED )
|
|
Rect( p1, p2, NO_FILL, width );
|
|
else
|
|
{
|
|
SetCurrentLineWidth( -1 );
|
|
wxPoint offsetp1( p1.x - (width - currentPenWidth) / 2,
|
|
p1.y - (width - currentPenWidth) / 2 );
|
|
wxPoint offsetp2( p2.x + (width - currentPenWidth) / 2,
|
|
p2.y + (width - currentPenWidth) / 2 );
|
|
Rect( offsetp1, offsetp2, NO_FILL, -1 );
|
|
offsetp1.x += (width - currentPenWidth);
|
|
offsetp1.y += (width - currentPenWidth);
|
|
offsetp2.x -= (width - currentPenWidth);
|
|
offsetp2.y -= (width - currentPenWidth);
|
|
Rect( offsetp1, offsetp2, NO_FILL, -1 );
|
|
}
|
|
}
|
|
|
|
|
|
void PLOTTER::ThickCircle( const wxPoint& pos, int diametre, int width,
|
|
EDA_DRAW_MODE_T tracemode, void* aData )
|
|
{
|
|
if( tracemode == FILLED )
|
|
Circle( pos, diametre, NO_FILL, width );
|
|
else
|
|
{
|
|
SetCurrentLineWidth( -1 );
|
|
Circle( pos, diametre - width + currentPenWidth, NO_FILL, -1 );
|
|
Circle( pos, diametre + width - currentPenWidth, NO_FILL, -1 );
|
|
}
|
|
}
|
|
|
|
|
|
void PLOTTER::PlotPoly( const SHAPE_LINE_CHAIN& aCornerList, FILL_T aFill,
|
|
int aWidth, void * aData )
|
|
{
|
|
std::vector< wxPoint > cornerList;
|
|
|
|
for( int ii = 0; ii < aCornerList.PointCount(); ii++ )
|
|
cornerList.push_back( wxPoint( aCornerList.CPoint( ii ) ) );
|
|
|
|
if( aCornerList.IsClosed() && cornerList.front() != cornerList.back() )
|
|
cornerList.push_back( wxPoint( aCornerList.CPoint( 0 ) ) );
|
|
|
|
PlotPoly( cornerList , aFill, aWidth, aData );
|
|
}
|
|
|
|
|
|
void PLOTTER::SetPageSettings( const PAGE_INFO& aPageSettings )
|
|
{
|
|
pageInfo = aPageSettings;
|
|
}
|