XGOps.H

// XGOps.H      $Revision: 1.3 $    $Date: 1998/05/13 16:00:00 $ 

#if !defined __XGOps_H

#define __XGOps_H


#include <zm/XGEnv.H>


// Text attachements
#define AttachRight 0x01
#define AttachLeft  0x00
#define AttachTop   0x02
#define AttachBottom    0x00

// Shape of text's rectangle
enum    TextShape
{
  TextTopY,
  TextBottomY,
  TextLeftX,
  TextRightX
  };


/*************************************************************
 * X Graphic Operations
 *************************************************************/

class XGOps : public XGEnv
{
public:

  XGOps (const XDO& xdo);

  // Drawing operations
  virtual void  draw_line (int x1, int y1, int x2, int y2);
  virtual void  draw_rect1 (int x1, int y1, int w, int h);
  virtual void  draw_rect2 (int x1, int y1, int x2, int y2);
  virtual void  draw_point (int x, int y);
  virtual void  fill_rect1 (int x1, int y1, int w, int h);
  virtual void  fill_rect2 (int x1, int y1, int x2, int y2);

  // Text and font characteristics
  int   text_width (const char* szText) const;
  int   text_width (int n) const;
  int   text_height () const;
  // Get shape of text's rectangle
  int   text_shape (TextShape ts, int x, int y, int attachment,
            const char* szText) const;

  // Draw attached text
  virtual void  draw_text (int x, int y, int attachment,
               const char* szText) const;
};

#endif  // XGOps.H