+++ /dev/null
-/* === S Y N F I G ========================================================= */
-/*! \file rect.h
-** \brief Rectangle Class
-**
-** $Id$
-**
-** \legal
-** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
-** Copyright (c) 2007, 2008 Chris Moore
-**
-** This package is free software; you can redistribute it and/or
-** modify it under the terms of the GNU General Public License as
-** published by the Free Software Foundation; either version 2 of
-** the License, or (at your option) any later version.
-**
-** This package is distributed in the hope that it will be useful,
-** but WITHOUT ANY WARRANTY; without even the implied warranty of
-** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-** General Public License for more details.
-** \endlegal
-*/
-/* ========================================================================= */
-
-/* === S T A R T =========================================================== */
-
-#ifndef __SYNFIG_RECT_H
-#define __SYNFIG_RECT_H
-
-/* === H E A D E R S ======================================================= */
-
-#include <ETL/rect>
-#include "real.h"
-#include "vector.h"
-#include <limits>
-#include <cmath>
-
-/* === M A C R O S ========================================================= */
-
-/* === T Y P E D E F S ===================================================== */
-
-/* === C L A S S E S & S T R U C T S ======================================= */
-
-namespace synfig {
-
-class Rect : public etl::rect<Real>
-{
-public:
-
- using etl::rect<Real>::set_point;
- using etl::rect<Real>::expand;
- using etl::rect<Real>::set;
-
- static Rect full_plane();
-
- static Rect horizontal_strip(const value_type &y1, const value_type &y2);
- static Rect vertical_strip(const value_type &x1, const value_type &x2);
-
- static Rect zero()
- {
- return Rect(
- 0,
- 0,
- 0,
- 0
- );
- }
-
- Rect() { }
-
- Rect(const Point& x) { set_point(x); }
-
- Rect(const Point& min, const Point& max) { set_point(min); expand(max); }
-
- Rect(const value_type &x1,const value_type &y1) { set_point(x1,y1); }
-
- Rect(const value_type &x1,const value_type &y1,
- const value_type &x2,const value_type &y2)
- {
- set_point(x1,y1);
- expand(x2,y2);
- }
-
- void set_point(const Point& max) { set_point(max[0],max[1]); }
-
- Rect& expand(const Point& max) { expand(max[0],max[1]); return *this; }
-
- Rect& expand(const Real& r) { minx-=r; miny-=r; maxx+=r; maxy+=r; return *this; }
-
- Rect& expand_x(const Real& r) { minx-=r; maxx+=r; return *this; }
-
- Rect& expand_y(const Real& r) { miny-=r; maxy+=r; return *this; }
-
- Rect& set(const Point& min,const Point& max) { set(min[0],min[1],max[0],max[1]); return *this; }
-
- Point get_min()const { return Point(minx,miny); }
- Point get_max()const { return Point(maxx,maxy); }
-
- bool is_inside(const Point& x) { return x[0]>minx && x[0]<maxx && x[1]>miny && x[1]<maxy; }
-
- Real area()const
- {
- return (maxx-minx)*(maxy-miny);
- }
-
- // Operators
-
- Rect& operator+=(const Vector& rhs)
- {
- minx+=rhs[0]; miny+=rhs[1];
- maxx+=rhs[0]; maxy+=rhs[1];
- return *this;
- }
-
- Rect& operator-=(const Vector& rhs)
- {
- minx-=rhs[0]; miny-=rhs[1];
- maxx-=rhs[0]; maxy-=rhs[1];
- return *this;
- }
-
- Rect& operator*=(const Real& rhs)
- {
- minx*=rhs; miny*=rhs;
- maxx*=rhs; maxy*=rhs;
- return *this;
- }
-
- Rect& operator/=(Real rhs)
- {
- rhs=1.0/rhs; // Avoid doing several divisions
- minx*=rhs; miny*=rhs;
- maxx*=rhs; maxy*=rhs;
- return *this;
- }
-
- Rect& operator&=(const Rect& rhs)
- {
- if(rhs.area()>0.00000001 && area()>0.00000001)
- etl::set_intersect(*this,*this,rhs);
- else
- *this=zero();
- return *this;
- }
-
- Rect& operator|=(const Rect& rhs)
- {
- if(rhs.area()>0.00000001 && area()>0.00000001)
- etl::set_union(*this,*this,rhs);
- else
- {
- if(area()<rhs.area())
- *this=rhs;
- }
- return *this;
- }
-
- Rect operator+(const Vector& rhs)const { return Rect(*this)+=rhs; }
-
- Rect operator-(const Vector& rhs)const { return Rect(*this)-=rhs; }
-
- Rect operator*(const Real& rhs)const { return Rect(*this)*=rhs; }
-
- Rect operator/(const Real& rhs)const { return Rect(*this)/=rhs; }
-
- Rect operator&(const Rect& rhs)const { return Rect(*this)&=rhs; }
-
- Rect operator|(const Rect& rhs)const { return Rect(*this)|=rhs; }
-
- bool operator&&(const Rect& rhs)const { return etl::intersect(*this, rhs); }
-
- bool operator==(const Rect &rhs)const { return get_min() == rhs.get_min() && get_max() == rhs.get_max(); }
-
- bool operator!=(const Rect &rhs)const { return get_min() != rhs.get_min() || get_max() != rhs.get_max(); }
-
- bool is_valid()const { return valid(); }
-}; // END of class Rect
-
-}; // END of namespace synfig
-
-/* === E N D =============================================================== */
-
-#endif
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