plotter.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2016 Jean-Pierre Charras, jp.charras at wanadoo.fr
 * Copyright (C) 2016-2021 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
 */

#ifndef PLOT_COMMON_H_
#define PLOT_COMMON_H_

#include <fill_type.h>
#include <vector>
#include <math/box2.h>
#include <gr_text.h>
#include <page_info.h>
#include <outline_mode.h>
#include <gal/color4d.h>
#include <render_settings.h>

class COLOR_SETTINGS;
class SHAPE_ARC;
class SHAPE_POLY_SET;
class SHAPE_LINE_CHAIN;
class GBR_NETLIST_METADATA;
class PROJECT;

using KIGFX::RENDER_SETTINGS;


// Must be in the same order as the drop-down list in the plot dialog inside pcbnew
// Units (inch/mm for DXF plotter
enum class DXF_UNITS
{
    INCHES = 0,
    MILLIMETERS = 1
};


enum class PLOT_FORMAT
{
    UNDEFINED    = -1,
    FIRST_FORMAT = 0,
    HPGL         = FIRST_FORMAT,
    GERBER,
    POST,
    DXF,
    PDF,
    SVG,
    LAST_FORMAT = SVG
};

enum class PLOT_TEXT_MODE
{
    STROKE,
    NATIVE,
    PHANTOM,
    DEFAULT
};

enum class PLOT_DASH_TYPE
{
    DEFAULT    = -1,
    SOLID      = 0,
    FIRST_TYPE = SOLID,
    DASH,
    DOT,
    DASHDOT,
    LAST_TYPE = DASHDOT
};

class PLOTTER
{
public:
    // These values are used as flag for pen or aperture selection
    static const int DO_NOT_SET_LINE_WIDTH = -2;    // Skip selection
    static const int USE_DEFAULT_LINE_WIDTH = -1;   // use the default pen

    PLOTTER();

    virtual ~PLOTTER();

    virtual PLOT_FORMAT GetPlotterType() const = 0;

    virtual bool StartPlot() = 0;
    virtual bool EndPlot() = 0;

    virtual void SetNegative( bool aNegative )
    {
        m_negativeMode = aNegative;
    }

    virtual void SetColorMode( bool aColorMode ) { m_colorMode = aColorMode; }
    bool GetColorMode() const { return m_colorMode; }

    void SetRenderSettings( RENDER_SETTINGS* aSettings ) { m_renderSettings = aSettings; }
    RENDER_SETTINGS* RenderSettings() { return m_renderSettings; }

    virtual void SetPageSettings( const PAGE_INFO& aPageSettings ) { m_pageInfo = aPageSettings; }
    PAGE_INFO& PageSettings() { return m_pageInfo; }

    virtual void SetCurrentLineWidth( int width, void* aData = nullptr ) = 0;
    virtual int GetCurrentLineWidth() const  { return m_currentPenWidth; }

    virtual void SetColor( const COLOR4D& color ) = 0;

    virtual void SetDash( PLOT_DASH_TYPE dashed ) = 0;

    virtual void SetCreator( const wxString& aCreator ) { m_creator = aCreator; }

    virtual void SetTitle( const wxString& aTitle ) { m_title = aTitle; }

    void AddLineToHeader( const wxString& aExtraString )
    {
        m_headerExtraLines.Add( aExtraString );
    }

    void ClearHeaderLinesList()
    {
        m_headerExtraLines.Clear();
    }

    virtual void SetViewport( const wxPoint& aOffset, double aIusPerDecimil,
                              double aScale, bool aMirror ) = 0;

    virtual bool OpenFile( const wxString& aFullFilename );

    double GetIUsPerDecimil() const { return m_IUsPerDecimil; }

    int GetPlotterArcLowDef() const { return m_IUsPerDecimil * 8; }
    int GetPlotterArcHighDef() const { return m_IUsPerDecimil * 2; }

    // Low level primitives
    virtual void Rect( const wxPoint& p1, const wxPoint& p2, FILL_TYPE fill,
                       int width = USE_DEFAULT_LINE_WIDTH ) = 0;
    virtual void Circle( const wxPoint& pos, int diametre, FILL_TYPE fill,
                         int width = USE_DEFAULT_LINE_WIDTH ) = 0;

    virtual void Arc( const wxPoint& centre, double StAngle, double EndAngle,
                      int rayon, FILL_TYPE fill, int width = USE_DEFAULT_LINE_WIDTH );
    virtual void Arc(  const SHAPE_ARC& aArc );

    virtual void BezierCurve( const wxPoint& aStart, const wxPoint& aControl1,
                              const wxPoint& aControl2, const wxPoint& aEnd,
                              int aTolerance, int aLineThickness = USE_DEFAULT_LINE_WIDTH );

    virtual void PenTo( const wxPoint& pos, char plume ) = 0;

    // Convenience functions for PenTo
    void MoveTo( const wxPoint& pos )
    {
        PenTo( pos, 'U' );
    }

    void LineTo( const wxPoint& pos )
    {
        PenTo( pos, 'D' );
    }

    void FinishTo( const wxPoint& pos )
    {
        PenTo( pos, 'D' );
        PenTo( pos, 'Z' );
    }

    void PenFinish()
    {
        // The point is not important with Z motion
        PenTo( wxPoint( 0, 0 ), 'Z' );
    }

    virtual void PlotPoly( const std::vector< wxPoint >& aCornerList, FILL_TYPE aFill,
                           int aWidth = USE_DEFAULT_LINE_WIDTH, void* aData = nullptr ) = 0;

    virtual void PlotPoly( const SHAPE_LINE_CHAIN& aCornerList, FILL_TYPE aFill,
                           int aWidth = USE_DEFAULT_LINE_WIDTH, void* aData = nullptr );

    virtual void PlotImage( const wxImage& aImage, const wxPoint& aPos, double aScaleFactor );

    // Higher level primitives -- can be drawn as line, sketch or 'filled'
    virtual void ThickSegment( const wxPoint& start, const wxPoint& end, int width,
                               OUTLINE_MODE tracemode, void* aData );
    virtual void ThickArc( const wxPoint& centre, double StAngle, double EndAngle,
                           int rayon, int width, OUTLINE_MODE tracemode, void* aData );
    virtual void ThickRect( const wxPoint& p1, const wxPoint& p2, int width,
                            OUTLINE_MODE tracemode, void* aData );
    virtual void ThickCircle( const wxPoint& pos, int diametre, int width,
                              OUTLINE_MODE tracemode, void* aData );
    virtual void FilledCircle( const wxPoint& pos, int diametre,
                              OUTLINE_MODE tracemode, void* aData );


    // Flash primitives

    virtual void FlashPadCircle( const wxPoint& aPadPos, int aDiameter,
                                 OUTLINE_MODE aTraceMode, void* aData ) = 0;

    virtual void FlashPadOval( const wxPoint& aPadPos, const wxSize& aSize, double aPadOrient,
                               OUTLINE_MODE aTraceMode, void* aData ) = 0;

    virtual void FlashPadRect( const wxPoint& aPadPos, const wxSize& aSize,
                               double aPadOrient, OUTLINE_MODE aTraceMode, void* aData ) = 0;

    virtual void FlashPadRoundRect( const wxPoint& aPadPos, const wxSize& aSize,
                                    int aCornerRadius, double aOrient,
                                    OUTLINE_MODE aTraceMode, void* aData ) = 0;

    virtual void FlashPadCustom( const wxPoint& aPadPos, const wxSize& aSize,
                                 double aPadOrient, SHAPE_POLY_SET* aPolygons,
                                 OUTLINE_MODE aTraceMode, void* aData ) = 0;

    virtual void FlashPadTrapez( const wxPoint& aPadPos, const wxPoint *aCorners,
                                 double aPadOrient, OUTLINE_MODE aTraceMode,
                                 void* aData ) = 0;

    virtual void FlashRegularPolygon( const wxPoint& aShapePos, int aDiameter, int aCornerCount,
                                      double aOrient, OUTLINE_MODE aTraceMode, void* aData ) = 0 ;

    virtual void Text( const wxPoint&              aPos,
                       const COLOR4D&              aColor,
                       const wxString&             aText,
                       double                      aOrient,
                       const wxSize&               aSize,
                       enum EDA_TEXT_HJUSTIFY_T    aH_justify,
                       enum EDA_TEXT_VJUSTIFY_T    aV_justify,
                       int                         aWidth,
                       bool                        aItalic,
                       bool                        aBold,
                       bool                        aMultilineAllowed = false,
                       void* aData = nullptr );

    static const unsigned MARKER_COUNT = 58;

    void Marker( const wxPoint& position, int diametre, unsigned aShapeId );

    virtual void SetLayerPolarity( bool aPositive )
    {
        // NOP for most plotters
    }

    virtual void SetTextMode( PLOT_TEXT_MODE mode )
    {
        // NOP for most plotters.
    }

    virtual void SetGerberCoordinatesFormat( int aResolution, bool aUseInches = false )
    {
        // NOP for most plotters. Only for Gerber plotter
    }

    virtual void SetSvgCoordinatesFormat( unsigned aResolution, bool aUseInches = false )
    {
        // NOP for most plotters. Only for SVG plotter
    }

    virtual void StartBlock( void* aData ) {}

    virtual void EndBlock( void* aData ) {}


protected:
    // These are marker subcomponents
    void markerCircle( const wxPoint& pos, int radius );

    void markerHBar( const wxPoint& pos, int radius );

    void markerSlash( const wxPoint& pos, int radius );

    void markerBackSlash( const wxPoint& pos, int radius );

    void markerVBar( const wxPoint& pos, int radius );

    void markerSquare( const wxPoint& position, int radius );

    void markerLozenge( const wxPoint& position, int radius );

    // Helper function for sketched filler segment

    void segmentAsOval( const wxPoint& start, const wxPoint& end, int width,
                        OUTLINE_MODE tracemode );

    void sketchOval( const wxPoint& pos, const wxSize& size, double orient, int width );

    // Coordinate and scaling conversion functions

    virtual DPOINT userToDeviceCoordinates( const wxPoint& aCoordinate );

    virtual DPOINT userToDeviceSize( const wxSize& size );

    virtual double userToDeviceSize( double size ) const;

    double GetDotMarkLenIU() const;

    double GetDashMarkLenIU() const;

    double GetDashGapLenIU() const;

protected:      // variables used in most of plotters:
    double           m_plotScale;

    /* Caller scale (how many IUs in a decimil - always); it's a double
     * because in Eeschema there are 0.1 IUs in a decimil (Eeschema
     * always works in mils internally) while PcbNew can work in decimil
     * or nanometers, so this value would be >= 1 */
    double           m_IUsPerDecimil;

    double           m_iuPerDeviceUnit;     // Device scale (from IUs to plotter device units;
                                            // usually decimils)
    wxPoint          m_plotOffset;          // Plot offset (in IUs)
    bool             m_plotMirror;          // X axis orientation (SVG)
                                            // and plot mirrored (only for PS, PDF HPGL and SVG)
    bool             m_mirrorIsHorizontal;  // true to mirror horizontally (else vertically)
    bool             m_yaxisReversed;       // true if the Y axis is top to bottom (SVG)

    FILE*            m_outputFile;

    // Pen handling
    bool             m_colorMode;           // true to plot in color, otherwise black & white
    bool             m_negativeMode;        // true to generate a negative image (PS mode mainly)
    int              m_currentPenWidth;
    char             m_penState;            // current pen state: 'U', 'D' or 'Z' (see PenTo)
    wxPoint          m_penLastpos;          // last pen position; -1,-1 when pen is at rest

    wxString         m_creator;
    wxString         m_filename;
    wxString         m_title;
    PAGE_INFO        m_pageInfo;
    wxSize           m_paperSize;           // Paper size in IU - not in mils

    wxArrayString    m_headerExtraLines;    // a set of string to print in header file

    RENDER_SETTINGS* m_renderSettings;
};


class TITLE_BLOCK;

void PlotDrawingSheet( PLOTTER* plotter, const PROJECT* aProject, const TITLE_BLOCK& aTitleBlock,
                       const PAGE_INFO& aPageInfo, const wxString& aSheetNumber, int aSheetCount,
                       const wxString& aSheetDesc, const wxString& aFilename,
                       COLOR4D aColor = COLOR4D::UNSPECIFIED, bool aIsFirstPage = true );

wxString GetDefaultPlotExtension( PLOT_FORMAT aFormat );


#endif  // PLOT_COMMON_H_