plotters_pslike.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2016-2020 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 <vector>
#include <math/box2.h>
#include <eda_item.h>       // FILL_TYPE
#include <plotter.h>


class PSLIKE_PLOTTER : public PLOTTER
{
public:
    PSLIKE_PLOTTER() :
            plotScaleAdjX( 1 ),
            plotScaleAdjY( 1 ),
            m_textMode( PLOT_TEXT_MODE::PHANTOM )
    {
    }

    virtual void SetTextMode( PLOT_TEXT_MODE mode ) override
    {
        if( mode != PLOT_TEXT_MODE::DEFAULT )
            m_textMode = mode;
    }

    void SetScaleAdjust( double scaleX, double scaleY )
    {
        plotScaleAdjX = scaleX;
        plotScaleAdjY = scaleY;
    }

    // Pad routines are handled with lower level primitives
    virtual void FlashPadCircle( const wxPoint& aPadPos, int aDiameter,
                                 OUTLINE_MODE aTraceMode, void* aData ) override;
    virtual void FlashPadOval( const wxPoint& aPadPos, const wxSize& aSize, double aPadOrient,
                               OUTLINE_MODE aTraceMode, void* aData ) override;
    virtual void FlashPadRect( const wxPoint& aPadPos, const wxSize& aSize,
                               double aPadOrient, OUTLINE_MODE aTraceMode,
                               void* aData ) override;
    virtual void FlashPadRoundRect( const wxPoint& aPadPos, const wxSize& aSize,
                                    int aCornerRadius, double aOrient,
                                    OUTLINE_MODE aTraceMode, void* aData ) override;
    virtual void FlashPadCustom( const wxPoint& aPadPos, const wxSize& aSize, double aOrient,
                                 SHAPE_POLY_SET* aPolygons,
                                 OUTLINE_MODE aTraceMode, void* aData ) override;
    virtual void FlashPadTrapez( const wxPoint& aPadPos, const wxPoint *aCorners,
                                 double aPadOrient, OUTLINE_MODE aTraceMode, void* aData ) override;
    virtual void FlashRegularPolygon( const wxPoint& aShapePos, int aDiameter, int aCornerCount,
                            double aOrient, OUTLINE_MODE aTraceMode, void* aData ) override;

    virtual void SetColor( COLOR4D color ) override;

protected:
    void computeTextParameters( const wxPoint&           aPos,
                                const wxString&          aText,
                                int                      aOrient,
                                const wxSize&            aSize,
                                bool                     aMirror,
                                enum EDA_TEXT_HJUSTIFY_T aH_justify,
                                enum EDA_TEXT_VJUSTIFY_T aV_justify,
                                int                      aWidth,
                                bool                     aItalic,
                                bool                     aBold,
                                double                   *wideningFactor,
                                double                   *ctm_a,
                                double                   *ctm_b,
                                double                   *ctm_c,
                                double                   *ctm_d,
                                double                   *ctm_e,
                                double                   *ctm_f,
                                double                   *heightFactor );
    void postscriptOverlinePositions( const wxString& aText, int aXSize,
                                      bool aItalic, bool aBold,
                                      std::vector<int> *pos_pairs );

    virtual std::string encodeStringForPlotter( const wxString& aUnicode );

    virtual void emitSetRGBColor( double r, double g, double b ) = 0;

    static const double postscriptTextAscent; // = 0.718;

    int returnPostscriptTextWidth( const wxString& aText, int aXSize,
                                   bool aItalic, bool aBold );

    double plotScaleAdjX, plotScaleAdjY;

    PLOT_TEXT_MODE m_textMode;
};


class PS_PLOTTER : public PSLIKE_PLOTTER
{
public:
    PS_PLOTTER()
    {
        // The phantom plot in postscript is an hack and reportedly
        // crashes Adobe's own postscript interpreter!
        m_textMode = PLOT_TEXT_MODE::STROKE;
    }

    static wxString GetDefaultFileExtension()
    {
        return wxString( wxT( "ps" ) );
    }

    virtual PLOT_FORMAT GetPlotterType() const override
    {
        return PLOT_FORMAT::POST;
    }

    virtual bool StartPlot() override;
    virtual bool EndPlot() override;
    virtual void SetCurrentLineWidth( int width, void* aData = NULL ) override;
    virtual void SetDash( PLOT_DASH_TYPE dashed ) override;

    virtual void SetViewport( const wxPoint& aOffset, double aIusPerDecimil,
                  double aScale, bool aMirror ) override;
    virtual void Rect( const wxPoint& p1, const wxPoint& p2, FILL_TYPE fill,
                       int width = USE_DEFAULT_LINE_WIDTH ) override;
    virtual void Circle( const wxPoint& pos, int diametre, FILL_TYPE fill,
                         int width = USE_DEFAULT_LINE_WIDTH ) override;
    virtual void Arc( const wxPoint& centre, double StAngle, double EndAngle,
                      int rayon, FILL_TYPE fill, int width = USE_DEFAULT_LINE_WIDTH ) override;

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

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

    virtual void PenTo( const wxPoint& pos, char plume ) override;
    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 = NULL ) override;
protected:
    virtual void emitSetRGBColor( double r, double g, double b ) override;
};


class PDF_PLOTTER : public PSLIKE_PLOTTER
{
public:
    PDF_PLOTTER() :
            pageTreeHandle( 0 ),
            fontResDictHandle( 0 ),
            pageStreamHandle( 0 ),
            streamLengthHandle( 0 ),
            workFile( nullptr )
    {
    }

    virtual PLOT_FORMAT GetPlotterType() const override
    {
        return PLOT_FORMAT::PDF;
    }

    static wxString GetDefaultFileExtension()
    {
        return wxString( wxT( "pdf" ) );
    }

    virtual bool OpenFile( const wxString& aFullFilename ) override;

    virtual bool StartPlot() override;
    virtual bool EndPlot() override;

    virtual void StartPage();

    virtual void ClosePage();

    virtual void SetCurrentLineWidth( int width, void* aData = NULL ) override;

    virtual void SetDash( PLOT_DASH_TYPE dashed ) override;

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

    virtual void Rect( const wxPoint& p1, const wxPoint& p2, FILL_TYPE fill,
                       int width = USE_DEFAULT_LINE_WIDTH ) override;

    virtual void Circle( const wxPoint& pos, int diametre, FILL_TYPE fill,
                         int width = USE_DEFAULT_LINE_WIDTH ) override;

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

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

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

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


protected:
    std::string encodeStringForPlotter( const wxString& aUnicode ) override;

    virtual void emitSetRGBColor( double r, double g, double b ) override;

    int allocPdfObject();

    int startPdfObject(int handle = -1);

    void closePdfObject();

    int startPdfStream(int handle = -1);

    void closePdfStream();

    int pageTreeHandle;      
    int fontResDictHandle;   
    std::vector<int> pageHandles;
    int pageStreamHandle;    
    int streamLengthHandle;      
    wxString workFilename;
    FILE* workFile;              
    std::vector<long> xrefTable; 
};


class SVG_PLOTTER : public PSLIKE_PLOTTER
{
public:
    SVG_PLOTTER();

    static wxString GetDefaultFileExtension()
    {
        return wxString( wxT( "svg" ) );
    }

    virtual PLOT_FORMAT GetPlotterType() const override
    {
        return PLOT_FORMAT::SVG;
    }

    virtual void SetColor( COLOR4D color ) override;
    virtual bool StartPlot() override;
    virtual bool EndPlot() override;
    virtual void SetCurrentLineWidth( int width, void* aData = NULL ) override;
    virtual void SetDash( PLOT_DASH_TYPE dashed ) override;

    virtual void SetViewport( const wxPoint& aOffset, double aIusPerDecimil,
                  double aScale, bool aMirror ) override;
    virtual void Rect( const wxPoint& p1, const wxPoint& p2, FILL_TYPE fill,
                       int width = USE_DEFAULT_LINE_WIDTH ) override;
    virtual void Circle( const wxPoint& pos, int diametre, FILL_TYPE fill,
                         int width = USE_DEFAULT_LINE_WIDTH ) override;
    virtual void Arc( const wxPoint& centre, double StAngle, double EndAngle,
                      int rayon, FILL_TYPE fill, int width = USE_DEFAULT_LINE_WIDTH ) override;

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

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

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

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

    virtual void SetSvgCoordinatesFormat( unsigned aResolution, bool aUseInches = false ) override;

    virtual void StartBlock( void* aData ) override;

    virtual void EndBlock( void* aData ) override;

    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 = NULL ) override;

protected:
    FILL_TYPE      m_fillMode;          // true if the current contour
                                        // rect, arc, circle, polygon must be filled
    long           m_pen_rgb_color;     // current rgb color value: each color has
                                        // a value 0 ... 255, and the 3 colors are
                                        // grouped in a 3x8 bits value
                                        // (written in hex to svg files)
    long           m_brush_rgb_color;   // same as m_pen_rgb_color, used to fill
                                        // some contours.
    bool           m_graphics_changed;  // true if a pen/brush parameter is modified
                                        // color, pen size, fill mode ...
                                        // the new SVG stype must be output on file
    PLOT_DASH_TYPE m_dashed;            // plot line style
    bool           m_useInch;           // is 0 if the step size is 10**-n*mm
                                        // is 1 if the step size is 10**-n*inch
                                        // Where n is given from m_precision
    unsigned       m_precision;         // How fine the step size is
                                        // Use 3-6 (3 means um precision, 6 nm precision) in PcbNew
                                        // 3-4 in other modules (avoid values >4 to avoid overflow)
                                        // see also comment for m_useInch.

    virtual void emitSetRGBColor( double r, double g, double b ) override;

    void setSVGPlotStyle( bool aIsGroup = true, const std::string& aExtraStyle = {} );

    void setFillMode( FILL_TYPE fill );
};