415 lines
18 KiB
C++
415 lines
18 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) 2016-2020 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 modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* 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 along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* Plotting engines similar to ps (Postscript, Gerber, svg)
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*
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* @file plotters_pslike.h
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*/
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#pragma once
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#include <vector>
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#include <math/box2.h>
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#include <base_struct.h> // FILL_T
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#include <plotter.h>
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/**
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* The PSLIKE_PLOTTER class is an intermediate class to handle common
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* routines for engines working more or less with the postscript imaging
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* model
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*/
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class PSLIKE_PLOTTER : public PLOTTER
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{
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public:
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PSLIKE_PLOTTER() :
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plotScaleAdjX( 1 ),
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plotScaleAdjY( 1 ),
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m_textMode( PLOT_TEXT_MODE::PHANTOM )
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{
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}
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/**
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* PS and PDF fully implement native text (for the Latin-1 subset)
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*/
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virtual void SetTextMode( PLOT_TEXT_MODE mode ) override
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{
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if( mode != PLOT_TEXT_MODE::DEFAULT )
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m_textMode = mode;
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}
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/**
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* Set the 'fine' scaling for the postscript engine
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*/
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void SetScaleAdjust( double scaleX, double scaleY )
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{
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plotScaleAdjX = scaleX;
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plotScaleAdjY = scaleY;
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}
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// Pad routines are handled with lower level primitives
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virtual void FlashPadCircle( const wxPoint& aPadPos, int aDiameter,
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EDA_DRAW_MODE_T aTraceMode, void* aData ) override;
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virtual void FlashPadOval( const wxPoint& aPadPos, const wxSize& aSize, double aPadOrient,
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EDA_DRAW_MODE_T aTraceMode, void* aData ) override;
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virtual void FlashPadRect( const wxPoint& aPadPos, const wxSize& aSize,
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double aPadOrient, EDA_DRAW_MODE_T aTraceMode,
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void* aData ) override;
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virtual void FlashPadRoundRect( const wxPoint& aPadPos, const wxSize& aSize,
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int aCornerRadius, double aOrient,
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EDA_DRAW_MODE_T aTraceMode, void* aData ) override;
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virtual void FlashPadCustom( const wxPoint& aPadPos, const wxSize& aSize,
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SHAPE_POLY_SET* aPolygons,
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EDA_DRAW_MODE_T aTraceMode, void* aData ) override;
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virtual void FlashPadTrapez( const wxPoint& aPadPos, const wxPoint *aCorners,
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double aPadOrient, EDA_DRAW_MODE_T aTraceMode, void* aData ) override;
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virtual void FlashRegularPolygon( const wxPoint& aShapePos, int aDiameter, int aCornerCount,
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double aOrient, EDA_DRAW_MODE_T aTraceMode, void* aData ) override;
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/** The SetColor implementation is split with the subclasses:
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* The PSLIKE computes the rgb values, the subclass emits the
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* operator to actually do it
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*/
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virtual void SetColor( COLOR4D color ) override;
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protected:
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void computeTextParameters( const wxPoint& aPos,
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const wxString& aText,
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int aOrient,
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const wxSize& aSize,
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bool aMirror,
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enum EDA_TEXT_HJUSTIFY_T aH_justify,
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enum EDA_TEXT_VJUSTIFY_T aV_justify,
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int aWidth,
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bool aItalic,
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bool aBold,
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double *wideningFactor,
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double *ctm_a,
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double *ctm_b,
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double *ctm_c,
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double *ctm_d,
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double *ctm_e,
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double *ctm_f,
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double *heightFactor );
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void postscriptOverlinePositions( const wxString& aText, int aXSize,
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bool aItalic, bool aBold,
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std::vector<int> *pos_pairs );
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/// convert a wxString unicode string to a char string compatible with the accepted
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/// string plotter format (convert special chars and non ascii7 chars)
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virtual std::string encodeStringForPlotter( const wxString& aUnicode );
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/// Virtual primitive for emitting the setrgbcolor operator
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virtual void emitSetRGBColor( double r, double g, double b ) = 0;
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/// Height of the postscript font (from the AFM)
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static const double postscriptTextAscent; // = 0.718;
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int returnPostscriptTextWidth( const wxString& aText, int aXSize,
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bool aItalic, bool aBold );
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/// Fine user scale adjust ( = 1.0 if no correction)
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double plotScaleAdjX, plotScaleAdjY;
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/// How to draw text
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PLOT_TEXT_MODE m_textMode;
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};
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class PS_PLOTTER : public PSLIKE_PLOTTER
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{
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public:
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PS_PLOTTER()
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{
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// The phantom plot in postscript is an hack and reportedly
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// crashes Adobe's own postscript interpreter!
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m_textMode = PLOT_TEXT_MODE::STROKE;
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}
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static wxString GetDefaultFileExtension()
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{
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return wxString( wxT( "ps" ) );
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}
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virtual PLOT_FORMAT GetPlotterType() const override
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{
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return PLOT_FORMAT::POST;
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}
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virtual bool StartPlot() override;
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virtual bool EndPlot() override;
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virtual void SetCurrentLineWidth( int width, void* aData = NULL ) override;
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virtual void SetDash( PLOT_DASH_TYPE dashed ) override;
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virtual void SetViewport( const wxPoint& aOffset, double aIusPerDecimil,
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double aScale, bool aMirror ) override;
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virtual void Rect( const wxPoint& p1, const wxPoint& p2, FILL_T fill,
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int width = USE_DEFAULT_LINE_WIDTH ) override;
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virtual void Circle( const wxPoint& pos, int diametre, FILL_T fill,
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int width = USE_DEFAULT_LINE_WIDTH ) override;
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virtual void Arc( const wxPoint& centre, double StAngle, double EndAngle,
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int rayon, FILL_T fill, int width = USE_DEFAULT_LINE_WIDTH ) override;
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virtual void PlotPoly( const std::vector< wxPoint >& aCornerList,
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FILL_T aFill, int aWidth = USE_DEFAULT_LINE_WIDTH,
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void * aData = NULL ) override;
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virtual void PlotImage( const wxImage& aImage, const wxPoint& aPos,
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double aScaleFactor ) override;
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virtual void PenTo( const wxPoint& pos, char plume ) override;
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virtual void Text( const wxPoint& aPos,
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const COLOR4D aColor,
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const wxString& aText,
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double aOrient,
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const wxSize& aSize,
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enum EDA_TEXT_HJUSTIFY_T aH_justify,
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enum EDA_TEXT_VJUSTIFY_T aV_justify,
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int aWidth,
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bool aItalic,
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bool aBold,
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bool aMultilineAllowed = false,
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void* aData = NULL ) override;
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protected:
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virtual void emitSetRGBColor( double r, double g, double b ) override;
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};
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class PDF_PLOTTER : public PSLIKE_PLOTTER
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{
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public:
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PDF_PLOTTER() :
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pageTreeHandle( 0 ),
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fontResDictHandle( 0 ),
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pageStreamHandle( 0 ),
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streamLengthHandle( 0 ),
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workFile( nullptr )
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{
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}
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virtual PLOT_FORMAT GetPlotterType() const override
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{
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return PLOT_FORMAT::PDF;
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}
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static wxString GetDefaultFileExtension()
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{
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return wxString( wxT( "pdf" ) );
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}
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/**
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* Open or create the plot file aFullFilename
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* @param aFullFilename = the full file name of the file to create
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* @return true if success, false if the file cannot be created/opened
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*
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* The base class open the file in text mode, so we should have this
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* function overlaid for PDF files, which are binary files
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*/
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virtual bool OpenFile( const wxString& aFullFilename ) override;
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virtual bool StartPlot() override;
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virtual bool EndPlot() override;
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virtual void StartPage();
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virtual void ClosePage();
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virtual void SetCurrentLineWidth( int width, void* aData = NULL ) override;
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virtual void SetDash( PLOT_DASH_TYPE dashed ) override;
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/** PDF can have multiple pages, so SetPageSettings can be called
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* with the outputFile open (but not inside a page stream!) */
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virtual void SetViewport( const wxPoint& aOffset, double aIusPerDecimil,
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double aScale, bool aMirror ) override;
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virtual void Rect( const wxPoint& p1, const wxPoint& p2, FILL_T fill,
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int width = USE_DEFAULT_LINE_WIDTH ) override;
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virtual void Circle( const wxPoint& pos, int diametre, FILL_T fill,
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int width = USE_DEFAULT_LINE_WIDTH ) override;
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virtual void Arc( const wxPoint& centre, double StAngle, double EndAngle,
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int rayon, FILL_T fill, int width = USE_DEFAULT_LINE_WIDTH ) override;
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virtual void PlotPoly( const std::vector< wxPoint >& aCornerList,
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FILL_T aFill, int aWidth = USE_DEFAULT_LINE_WIDTH,
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void * aData = NULL ) override;
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virtual void PenTo( const wxPoint& pos, char plume ) override;
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virtual void Text( const wxPoint& aPos,
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const COLOR4D aColor,
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const wxString& aText,
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double aOrient,
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const wxSize& aSize,
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enum EDA_TEXT_HJUSTIFY_T aH_justify,
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enum EDA_TEXT_VJUSTIFY_T aV_justify,
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int aWidth,
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bool aItalic,
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bool aBold,
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bool aMultilineAllowed = false,
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void* aData = NULL ) override;
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virtual void PlotImage( const wxImage& aImage, const wxPoint& aPos,
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double aScaleFactor ) override;
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protected:
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/// convert a wxString unicode string to a char string compatible with the accepted
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/// string PDF format (convert special chars and non ascii7 chars)
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std::string encodeStringForPlotter( const wxString& aUnicode ) override;
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virtual void emitSetRGBColor( double r, double g, double b ) override;
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int allocPdfObject();
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int startPdfObject(int handle = -1);
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void closePdfObject();
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int startPdfStream(int handle = -1);
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void closePdfStream();
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int pageTreeHandle; /// Handle to the root of the page tree object
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int fontResDictHandle; /// Font resource dictionary
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std::vector<int> pageHandles;/// Handles to the page objects
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int pageStreamHandle; /// Handle of the page content object
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int streamLengthHandle; /// Handle to the deferred stream length
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wxString workFilename;
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FILE* workFile; /// Temporary file to costruct the stream before zipping
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std::vector<long> xrefTable; /// The PDF xref offset table
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};
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class SVG_PLOTTER : public PSLIKE_PLOTTER
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{
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public:
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SVG_PLOTTER();
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static wxString GetDefaultFileExtension()
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{
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return wxString( wxT( "svg" ) );
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}
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virtual PLOT_FORMAT GetPlotterType() const override
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{
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return PLOT_FORMAT::SVG;
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}
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virtual void SetColor( COLOR4D color ) override;
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virtual bool StartPlot() override;
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virtual bool EndPlot() override;
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virtual void SetCurrentLineWidth( int width, void* aData = NULL ) override;
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virtual void SetDash( PLOT_DASH_TYPE dashed ) override;
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virtual void SetViewport( const wxPoint& aOffset, double aIusPerDecimil,
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double aScale, bool aMirror ) override;
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virtual void Rect( const wxPoint& p1, const wxPoint& p2, FILL_T fill,
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int width = USE_DEFAULT_LINE_WIDTH ) override;
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virtual void Circle( const wxPoint& pos, int diametre, FILL_T fill,
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int width = USE_DEFAULT_LINE_WIDTH ) override;
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virtual void Arc( const wxPoint& centre, double StAngle, double EndAngle,
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int rayon, FILL_T fill, int width = USE_DEFAULT_LINE_WIDTH ) override;
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virtual void BezierCurve( const wxPoint& aStart, const wxPoint& aControl1,
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const wxPoint& aControl2, const wxPoint& aEnd,
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int aTolerance,
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int aLineThickness = USE_DEFAULT_LINE_WIDTH ) override;
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virtual void PlotPoly( const std::vector< wxPoint >& aCornerList,
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FILL_T aFill, int aWidth = USE_DEFAULT_LINE_WIDTH,
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void * aData = NULL ) override;
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virtual void PlotImage( const wxImage& aImage, const wxPoint& aPos,
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double aScaleFactor ) override;
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virtual void PenTo( const wxPoint& pos, char plume ) override;
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/**
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* Function SetSvgCoordinatesFormat
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* selection of SVG step size (number of digits needed for 1 mm or 1 inch )
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* @param aResolution = number of digits in mantissa of coordinate
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* use a value from 3-6
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* do not use value > 6 to avoid overflow in PCBNEW
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* do not use value > 4 to avoid overflow for other parts
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* @param aUseInches = true to use inches, false to use mm (default)
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*
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* Should be called only after SetViewport() is called
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*/
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virtual void SetSvgCoordinatesFormat( unsigned aResolution, bool aUseInches = false ) override;
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/**
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* calling this function allows one to define the beginning of a group
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* of drawing items (used in SVG format to separate components)
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* @param aData should be a string for the SVG ID tage
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*/
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virtual void StartBlock( void* aData ) override;
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/**
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* calling this function allows one to define the end of a group of drawing
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* items the group is started by StartBlock()
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* @param aData should be null
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*/
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virtual void EndBlock( void* aData ) override;
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virtual void Text( const wxPoint& aPos,
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const COLOR4D aColor,
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const wxString& aText,
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double aOrient,
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const wxSize& aSize,
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enum EDA_TEXT_HJUSTIFY_T aH_justify,
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enum EDA_TEXT_VJUSTIFY_T aV_justify,
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int aWidth,
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bool aItalic,
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bool aBold,
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bool aMultilineAllowed = false,
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void* aData = NULL ) override;
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protected:
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FILL_T m_fillMode; // true if the current contour
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// rect, arc, circle, polygon must be filled
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long m_pen_rgb_color; // current rgb color value: each color has
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// a value 0 ... 255, and the 3 colors are
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// grouped in a 3x8 bits value
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// (written in hex to svg files)
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long m_brush_rgb_color; // same as m_pen_rgb_color, used to fill
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// some contours.
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bool m_graphics_changed; // true if a pen/brush parameter is modified
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// color, pen size, fil mode ...
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// the new SVG stype must be output on file
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PLOT_DASH_TYPE m_dashed; // plot line style
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bool m_useInch; // is 0 if the step size is 10**-n*mm
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// is 1 if the step size is 10**-n*inch
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// Where n is given from m_precision
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unsigned m_precision; // How fine the step size is
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// Use 3-6 (3 means um precision, 6 nm precision) in pcbnew
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// 3-4 in other moduls (avoid values >4 to avoid overflow)
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// see also comment for m_useInch.
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/**
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* function emitSetRGBColor()
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* initialize m_pen_rgb_color from reduced values r, g ,b
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* ( reduced values are 0.0 to 1.0 )
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*/
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virtual void emitSetRGBColor( double r, double g, double b ) override;
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/**
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* function setSVGPlotStyle()
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* output the string which define pen and brush color, shape, transparency
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*
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* @param aIsGroup If false, do not form a new group for the style.
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* @param aExtraStyle If given, the string will be added into the style string before closing
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*/
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void setSVGPlotStyle( bool aIsGroup = true, const std::string& aExtraStyle = {} );
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/**
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* function setFillMode()
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* prepare parameters for setSVGPlotStyle()
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*/
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void setFillMode( FILL_T fill );
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};
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