squilu/fltk/FL/Fl_Rect.H

//
// "$Id: Fl_Rect.H 12260 2017-06-13 10:35:18Z AlbrechtS $"
//
// Fl_Rect header file for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2017 by Bill Spitzak and others.
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file.  If this
// file is missing or damaged, see the license at:
//
//     http://www.fltk.org/COPYING.php
//
// Please report all bugs and problems on the following page:
//
//     http://www.fltk.org/str.php
//

#ifndef Fl_Rect_H
#define Fl_Rect_H

#include <FL/Fl_Widget.H>	// for c'tor based on Fl_Widget

/**
  Rectangle with standard FLTK coordinates (X, Y, W, H).

  This may be used internally, for overloaded widget contructors and other
  overloaded methods like fl_measure(), fl_text_extents(), fl_rect(),
  fl_rectf(), and maybe more.
*/

class FL_EXPORT Fl_Rect {

  int x_;
  int y_;
  int w_;
  int h_;

public:

  /** The default constructor creates an empty rectangle (x = y = w = h = 0). */
  Fl_Rect()
  : x_(0), y_(0), w_(0), h_(0) {}

  /** This constructor creates a rectangle with x = y = 0 and
    the given width and height. */
  Fl_Rect(int W, int H)
  : x_(0), y_(0), w_(W), h_(H) {}

  /** This constructor creates a rectangle with the given x,y coordinates
    and the given width and height. */
  Fl_Rect(int X, int Y, int W, int H)
  : x_(X), y_(Y), w_(W), h_(H) {}

 /** This constructor creates a rectangle based on a widget's position and size. */
  Fl_Rect (const Fl_Widget& widget)
  : x_(widget.x()), y_(widget.y()), w_(widget.w()), h_(widget.h()) {}

 /** This constructor creates a rectangle based on a widget's position and size. */
  Fl_Rect (const Fl_Widget* const widget)
  : x_(widget->x()), y_(widget->y()), w_(widget->w()), h_(widget->h()) {}

  int x() const { return x_; }		///< gets the x coordinate (left edge)
  int y() const { return y_; }		///< gets the y coordinate (top edge)
  int w() const { return w_; }		///< gets the width
  int h() const { return h_; }		///< gets the height

  int r() const { return x_ + w_; }	///< gets the right edge (x + w)
  int b() const { return y_ + h_; }	///< gets the bottom edge (y + h)

  void x(int X) { x_ = X; }		///< sets the x coordinate (left edge)
  void y(int Y) { y_ = Y; }		///< sets the y coordinate (top edge)
  void w(int W) { w_ = W; }		///< sets the width
  void h(int H) { h_ = H; }		///< sets the height

}; // class Fl_Rect

#endif // Fl_Rect_H

//
// End of "$Id: Fl_Rect.H 12260 2017-06-13 10:35:18Z AlbrechtS $".
//