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EPSRenderer.h

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/*
    File:           EPSRenderer.h

    Function:       Renders line drawings to a .eps file.
    
    Author(s):      Andrew Willmott

    Copyright:      (c) 1997-2000, Andrew Willmott
 */

#ifndef __EPSRenderer__
#define __EPSRenderer__

#include "gcl/Renderer.h"
#include "gcl/EPSPlot.h"
#include "gcl/Clipper.h"

// --- The EPSRenderer class --------------------------------------------------


class EPSRenderer : public Renderer, public Clipper
{
public:
    EPSRenderer();

    Void                Attach(StrConst epsFilename);
    
    virtual Void        Show();
    virtual Void        MakeCurrent();
    virtual Void        Print(ostream &s);

    virtual Renderer    &Begin(RenderStyle style);
    virtual Renderer    &End();

    virtual Renderer    &SetPoint(const Point &p);
    virtual Renderer    &SetNormal(const Vector &p);
    virtual Renderer    &SetCoord(const Coord &c);
    virtual Renderer    &SetColour(const Colour &c);

    virtual Renderer    &SetTransform(const Transform &t);
    virtual Renderer    &SetCamera(const Camera &c);

    virtual Renderer    &Clear();
    virtual Renderer    &Pop();
    virtual Renderer    &Push();

    virtual Renderer    &GetImage(Image &image) // unsupported
                        {return SELF;};
    virtual Renderer    &PutImage(const Image &image, Int x = 0, Int y = 0)
                        {return SELF;};

    EPSPlot             itsPlot;

protected:
    Void                ViewPoint(const HPoint &hp, Bool draw);

    Array<Transform>    matrixStack;
    RenderStyle         style;
    Bool                start;
    Point               firstPoint;
    String              itsFilename;
};

#endif

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