axis.h

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#pragma once
 
#include <InterViews/observe.h>
#include <InterViews/glyph.h>
 
class Scene;
 
class Axis: public Glyph, public Observer {
  public:
    Axis(Scene*, DimensionName);
    Axis(Scene*, DimensionName, Coord x1, Coord x2);
    Axis(Scene*,
         DimensionName,
         Coord x1,
         Coord x2,
         Coord pos,
         int ntic = 1,
         int nminor = 0,
         int invert = 0,
         bool number = true);
    virtual ~Axis();
    virtual void save(std::ostream&);
    virtual void update(Observable*);
    virtual void size(float&, float&);
 
  private:
    void init(Coord x1,
              Coord x2,
              Coord pos = 0.,
              int ntic = 1,
              int nminor = 0,
              int invert = 0,
              bool number = true);
    bool set_range();
    void install();
    void location();
 
  private:
    Scene* s_;
    Coord min_, max_;
    DimensionName d_;
    double amin_, amax_;
    int ntic_, nminor_;
    int invert_;
    bool number_;
    Coord pos_;
};
 
class BoxBackground: public Background {
  public:
    BoxBackground();
    virtual ~BoxBackground();
 
    virtual void draw(Canvas*, const Allocation&) const;
    virtual void print(Printer*, const Allocation&) const;
 
  private:
    void draw_help(Canvas*, const Allocation&) const;
    void tic_label(Coord x, Coord y, Coord val, float x_align, float y_align, Canvas*) const;
};
 
class AxisBackground: public Background {
  public:
    AxisBackground();
    virtual ~AxisBackground();
 
    virtual void draw(Canvas*, const Allocation&) const;
    virtual void print(Printer*, const Allocation&) const;
 
  private:
    void draw_help(Canvas*, const Allocation&) const;
    void tic_label(Coord x, Coord y, Coord val, float x_align, float y_align, Canvas*) const;
};