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Add first version of FL/Fl_Rect.H.

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This version is not yet used in existing code. It may be extended with
more methods if we find we need them.


git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12259 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
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Albrecht Schlosser 2017-06-12 12:35:22 +00:00
parent ac4b59abf5
commit 60d7c41742
1 changed files with 86 additions and 0 deletions
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//
// "$Id$"
//
// 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) {}
/** Copy constructor. */
Fl_Rect (const Fl_Rect& r)
: x_(r.x()), y_(r.y()), w_(r.w()), h_(r.h()) {}
/** This constructor creates a rectangle based 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 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 "$Id$".
//