/*
PIP - Platform Independent Primitives
Geometry
Copyright (C) 2014 Ivan Pelipenko peri4ko@gmail.com
This program 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 3 of the License, or
(at your option) any later version.
This program 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.
You should have received a copy of the GNU General Public License
along with this program. If not, see .
*/
#ifndef PIGEOMETRY_H
#define PIGEOMETRY_H
#include "pimath.h"
template
class PIP_EXPORT PIPoint {
public:
Type x;
Type y;
PIPoint() {x = y = 0;};
PIPoint(Type x_, Type y_) {set(x_, y_);}
PIPoint & set(Type x_, Type y_) {x = x_; y = y_; return *this;}
PIPoint & move(Type x_, Type y_) {x += x_; y += y_; return *this;}
PIPoint & move(const PIPoint & p) {x += p.x; y += p.y; return *this;}
double angleRad() const {return atan2(y, x);}
int angleDeg() const {return round(atan2(y, x) * 180. / M_PI);}
PIPoint toPolar(bool isDeg = false) const {return PIPoint(sqrt(x*x + y*y), isDeg ? angleDeg() : angleRad());}
static PIPoint fromPolar(const PIPoint & p) {return PIPoint(p.y * cos(p.x), p.y * sin(p.x));}
PIPoint operator +(const PIPoint & p) {return PIPoint(x + p.x, y + p.y);}
PIPoint operator +(const Type & p) {return PIPoint(x + p, y + p);}
PIPoint operator -(const PIPoint & p) {return PIPoint(x - p.x, y - p.y);}
PIPoint operator -(const Type & p) {return PIPoint(x - p, y - p);}
PIPoint operator -() {return PIPoint(-x, -y);}
PIPoint operator *(const Type & d) {return PIPoint(x * d, y * d);}
PIPoint operator /(const Type & d) {return PIPoint(x / d, y / d);}
bool operator ==(const PIPoint & p) const {return (x == p.x && y == p.y);}
bool operator !=(const PIPoint & p) const {return (x != p.x || y != p.y);}
};
template
std::ostream & operator <<(std::ostream & s, const PIPoint & v) {s << '{' << v.x << ", " << v.y << '}'; return s;}
template
class PIP_EXPORT PIRect {
public:
Type x0;
Type y0;
Type x1;
Type y1;
PIRect() {x0 = y0 = x1 = y1 = 0;};
PIRect(Type x, Type y, Type w, Type h) {set(x, y, w, h);}
PIRect(const PIPoint & tl, const PIPoint & br) {set(tl.x, tl.y, br.x, br.y);}
PIRect(const PIPoint & p0, const PIPoint & p1, const PIPoint & p2) {set(piMin(p0.x, p1.x, p2.x), piMin(p0.y, p1.y, p2.y),
piMax(p0.x, p1.x, p2.x), piMax(p0.y, p1.y, p2.y));}
PIRect & set(Type x, Type y, Type w, Type h) {x0 = x; y0 = y; x1 = x + w; y1 = y + h; return *this;}
bool pointIn(Type x, Type y) const {return (x <= x1 && x >= x0 && y <= y1 && y >= y0);}
bool pointIn(const PIPoint & p) const {return pointIn(p.x, p.y);}
bool isEmpty() const {return (x1 - x0 == 0 && y1 - y0 == 0);}
PIRect & translate(Type x, Type y) {x0 += x; x1 += x; y0 += y; y1 += y; return *this;}
PIRect & translate(const PIPoint & p) {x0 += p.x; x1 += p.x; y0 += p.y; y1 += p.y; return *this;}
PIRect translated(Type x, Type y) {PIRect r(*this); r.translate(x, y); return r;}
PIRect translated(const PIPoint & p) {PIRect r(*this); r.translate(p); return r;}
PIRect & scale(Type x, Type y) {setWidth(width() * x); setHeight(height() * y); return *this;}
PIRect & scale(const PIPoint & p) {setWidth(width() * p.x); setHeight(height() * p.y); return *this;}
PIRect scaled(Type x, Type y) {PIRect r(*this); r.scale(x, y); return r;}
PIRect scaled(const PIPoint & p) {PIRect r(*this); r.scale(p); return r;}
PIRect & normalize() {if (x0 > x1) piSwap(x0, x1); if (y0 > y1) piSwap(y0, y1); return *this;}
PIRect normalized() {PIRect r(*this); r.normalize(); return r;}
PIRect & unite(const PIRect & r) {x0 = piMin(x0, r.x0); y0 = piMin(y0, r.y0); x1 = piMax(x1, r.x1); y1 = piMax(y1, r.y1); return *this;}
PIRect united(const PIRect & rect) {PIRect r(*this); r.unite(rect); return r;}
PIRect & intersect(const PIRect & r) {x0 = piMax(x0, r.x0); y0 = piMax(y0, r.y0); x1 = piMin(x1, r.x1); y1 = piMin(y1, r.y1); if (x0 > x1 || y0 > y1) x0 = x1 = y0 = y1 = Type(0); return *this;}
PIRect intersected(const PIRect & rect) {PIRect r(*this); r.intersect(rect); return r;}
Type top() const {return y0;}
Type left() const {return x0;}
Type right() const {return x1;}
Type bottom() const {return y1;}
Type width() const {return x1 - x0;}
Type height() const {return y1 - y0;}
PIPoint topLeft() {return PIPoint(x0, y0);}
PIPoint topRigth() {return PIPoint(x1, y0);}
PIPoint bottomLeft() {return PIPoint(x0, y1);}
PIPoint bottomRight() {return PIPoint(x1, y1);}
void setTop(Type v) {y0 = v;}
void setLeft(Type v) {x0 = v;}
void setRigth(Type v) {x1 = v;}
void setBottom(Type v) {y1 = v;}
void setWidth(Type v) {x1 = x0 + v;}
void setHeight(Type v) {y1 = y0 + v;}
PIRect operator -() {return PIRect(-x0, -y0, -width(), -height());}
void operator +=(Type x) {translate(x, x);}
void operator +=(const PIPoint & p) {translate(p);}
void operator -=(Type x) {translate(-x, -x);}
void operator -=(const PIPoint & p) {translate(-p);}
void operator *=(Type p) {x0 *= p; x1 *= p; y0 *= p; y1 *= p;}
void operator /=(Type p) {x0 /= p; x1 /= p; y0 /= p; y1 /= p;}
void operator |=(const PIRect & r) {unite(r);}
void operator &=(const PIRect & r) {intersect(r);}
PIRect operator +(const PIPoint & p) {return PIRect(*this).translated(p);}
PIRect operator -(const PIPoint & p) {return PIRect(*this).translated(-p);}
PIRect operator |(const PIRect & r) {return PIRect(*this).united(r);}
PIRect operator &(const PIRect & r) {return PIRect(*this).intersected(r);}
bool operator ==(const PIRect & r) const {return (x0 == r.x0 && y0 == r.y0 && x1 == r.x1 && y1 == r.y10);}
bool operator !=(const PIRect & r) const {return (x0 != r.x0 || y0 != r.y0 || x1 != r.x1 || y1 != r.y10);}
};
template
std::ostream & operator <<(std::ostream & s, const PIRect & v) {s << '{' << v.x0 << ", " << v.y0 << "; " << v.x1 - v.x0 << ", " << v.y1 - v.y0 << '}'; return s;}
typedef PIPoint PIPointi;
typedef PIPoint PIPointu;
typedef PIPoint PIPointf;
typedef PIPoint PIPointd;
typedef PIRect PIRecti;
typedef PIRect PIRectu;
typedef PIRect PIRectf;
typedef PIRect PIRectd;
#endif // PIGEOMETRY_H