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mgdev-eps.h

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#ifndef __GDEV_EPS_H__
#define __GDEV_EPS_H__

#include "magic/mgobject.h"
#include "magic/mcoord.h"

BEGIN_NAMESPACE (MagiC);

//                                                                           //
//             ----- ----   ---- ___               o                         //
//             |     |   ) (     |  \   ___           ___   ___              //
//             |---  |---   ---  |   | /   ) |   | | |   \ /   )             //
//             |     |         ) |   | |---   \ /  | |     |---              //
//             |____ |     ___/  |__/   \__    V   |  \__/  \__              //
//                                                                           //

class EPSDevice {
  public:
    
                    EPSDevice       () {make ();}
                    EPSDevice       (const Coord2D& dimensions);
    virtual         ~EPSDevice      () {}

    void            make            ();
    
    // Implementations

    virtual EPSDevice&  setPixel        (const Coord2D&) {NOT_IMPLEMENTED; return *this;}
    virtual EPSDevice&  line            (const Coord2D& start, const Coord2D& end);
    virtual EPSDevice&  circle          (const Coord2D& pos, float r, bool fill=false);
    virtual EPSDevice&  rect            (const Rect& rect);
    virtual EPSDevice&  setClipping     (const Rect& rect);
    virtual EPSDevice&  endClipping     ();
    virtual EPSDevice&  text            (const String& text, float x, float y) {NOT_IMPLEMENTED; return *this;}
    virtual EPSDevice&  setGray         (float g) {mStr+=format("%f setgray\n", g); return *this;}

    virtual EPSDevice&  saveState       () {mStr+="gsave\n"; return *this;}
    virtual EPSDevice&  restoreState    () {mStr+="grestore\n"; return *this;}
    virtual EPSDevice&  lineStyle       (const String& style, float scale=1.0);
    virtual EPSDevice&  lineWidth       (float w) {mStr+=format ("%f setlinewidth\n", w); return *this;}
    virtual EPSDevice&  scaling         (float x, float y);
    virtual EPSDevice&  origin          (const Coord2D& pos);

    virtual EPSDevice&  framedStyle     (float xUserSize, float yUserSize);
    virtual EPSDevice&  flipCoordinates ();
    
    // Informative
    
    float           width           () const {return mDimensions.x;}
    float           height          () const {return mDimensions.y;}
    const Coord2D&  scaling         () const {return mScaling;}
    
    // Own methods

    EPSDevice&      directPrint     (CONSTR str);
    EPSDevice&      comment         (CONSTR str) {mStr+=str; return *this;}
    
    // Adds footer to buffer
    void            printFooter     ();

    String          getBuffer       () const {return mStr;}

  private:
    Coord2D         mDimensions;
    Rect            mBoundingBox;
    Coord2D         mScaling, mOffset;
    String          mStr;
    bool            mArrowLines;
    float           mArrowHeadSize;
    
    void            printHeader     ();
    void            checkRange      (const Coord2D& pos);
};

END_NAMESPACE;

#endif

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