plotter_hpgl.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2016-2023 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 3 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, see <http://www.gnu.org/licenses/>.
 */
 
#pragma once
 
#include <list>
 
#include "plotter.h"
 
 
class HPGL_PLOTTER : public PLOTTER
{
public:
 HPGL_PLOTTER();
 
 virtual PLOT_FORMAT GetPlotterType() const override
 {
 return PLOT_FORMAT::HPGL;
 }
 
 static wxString GetDefaultFileExtension()
 {
 return wxString( wxT( "plt" ) );
 }
 
 void SetTargetChordLength( double chord_len );
 
 void SetUserCoords( bool user_coords ) { m_useUserCoords = user_coords; }
 
 void SetUserCoordsFit( bool user_coords_fit ) { m_fitUserCoords = user_coords_fit; }
 
 virtual bool StartPlot( const wxString& aPageNumber ) override;
 
 virtual bool EndPlot() override;
 
 virtual void SetColorMode( bool aColorMode ) override {};
 
 virtual void SetCurrentLineWidth( int width, void* aData = nullptr ) override
 {
 // This is the truth
 m_currentPenWidth = userToDeviceSize( m_penDiameter );
 }
 
 virtual void SetDash( int aLineWidth, LINE_STYLE aLineStyle ) override;
 
 virtual void SetColor( const COLOR4D& color ) override {}
 
 virtual void SetPenSpeed( int speed )
 {
 m_penSpeed = speed;
 }
 
 virtual void SetPenNumber( int number )
 {
 m_penNumber = number;
 }
 
 virtual void SetPenDiameter( double diameter );
 
 virtual void SetViewport( const VECTOR2I& aOffset, double aIusPerDecimil,
 double aScale, bool aMirror ) override;
 virtual void Rect( const VECTOR2I& p1, const VECTOR2I& p2, FILL_T aFill,
 int aWidth = USE_DEFAULT_LINE_WIDTH ) override;
 virtual void Circle( const VECTOR2I& aCenter, int aDiameter, FILL_T aFill,
 int aWidth = USE_DEFAULT_LINE_WIDTH ) override;
 virtual void PlotPoly( const std::vector<VECTOR2I>& aCornerList, FILL_T aFill,
 int aWidth = USE_DEFAULT_LINE_WIDTH, void* aData = nullptr ) override;
 
 virtual void ThickSegment( const VECTOR2I& start, const VECTOR2I& end, int width,
 OUTLINE_MODE tracemode, void* aData ) override;
 
 virtual void PenTo( const VECTOR2I& pos, char plume ) override;
 
 virtual void FlashPadCircle( const VECTOR2I& aPadPos, int aDiameter,
 OUTLINE_MODE aTraceMode, void* aData ) override;
 virtual void FlashPadOval( const VECTOR2I& aPadPos, const VECTOR2I& aSize,
 const EDA_ANGLE& aPadOrient, OUTLINE_MODE aTraceMode,
 void* aData ) override;
 virtual void FlashPadRect( const VECTOR2I& aPadPos, const VECTOR2I& aSize,
 const EDA_ANGLE& aOrient, OUTLINE_MODE aTraceMode,
 void* aData ) override;
 virtual void FlashPadRoundRect( const VECTOR2I& aPadPos, const VECTOR2I& aSize,
 int aCornerRadius, const EDA_ANGLE& aOrient,
 OUTLINE_MODE aTraceMode, void* aData ) override;
 virtual void FlashPadCustom( const VECTOR2I& aPadPos, const VECTOR2I& aSize,
 const EDA_ANGLE& aOrient, SHAPE_POLY_SET* aPolygons,
 OUTLINE_MODE aTraceMode, void* aData ) override;
 virtual void FlashPadTrapez( const VECTOR2I& aPadPos, const VECTOR2I* aCorners,
 const EDA_ANGLE& aPadOrient, OUTLINE_MODE aTraceMode,
 void* aData ) override;
 virtual void FlashRegularPolygon( const VECTOR2I& aShapePos, int aDiameter, int aCornerCount,
 const EDA_ANGLE& aOrient, OUTLINE_MODE aTraceMode,
 void* aData ) override;
 
protected:
 virtual void Arc( const VECTOR2D& aCenter, const EDA_ANGLE& aStartAngle,
 const EDA_ANGLE& aAngle, double aRadius, FILL_T aFill,
 int aWidth = USE_DEFAULT_LINE_WIDTH ) override;
 
 bool startItem( const VECTOR2D& location );
 
 void flushItem();
 
 bool startOrAppendItem( const VECTOR2D& location, const wxString& content );
 
 struct HPGL_ITEM
 {
 HPGL_ITEM() :
 lift_before( false ),
 lift_after( false ),
 pen_returns( false ),
 pen( 0 ),
 dashType( LINE_STYLE::SOLID ) {}
 
 VECTOR2D loc_start;
 
 VECTOR2D loc_end;
 
 BOX2D bbox;
 
 bool lift_before;
 
 bool lift_after;
 
 bool pen_returns;
 
 int pen; 
 LINE_STYLE dashType; 
 wxString content; 
 };
 
 static void sortItems( std::list<HPGL_ITEM>& items );
 
 static const char* lineStyleCommand( LINE_STYLE aLineStyle );
 
protected:
 int m_penSpeed;
 int m_penNumber;
 double m_penDiameter;
 double m_arcTargetChordLength;
 EDA_ANGLE m_arcMinChordDegrees;
 LINE_STYLE m_lineStyle;
 bool m_useUserCoords;
 bool m_fitUserCoords;
 
 std::list<HPGL_ITEM> m_items;
 HPGL_ITEM* m_current_item;
};