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/*
* Copyright (c) 2020 Samsung Electronics Co., Ltd. All rights reserved.
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef VRECT_H
#define VRECT_H
#include "vector_vglobal.h"
#include "vector_vpoint.h"
V_BEGIN_NAMESPACE
class VRectF;
class VRect {
public:
VRect() = default;
VRect(int x, int y, int w, int h):x1(x),y1(y),x2(x+w),y2(y+h){}
explicit VRect(VPoint pt, VSize sz):VRect(pt.x(), pt.y(), sz.width(), sz.height()){}
operator VRectF() const;
V_CONSTEXPR bool empty() const {return x1 >= x2 || y1 >= y2;}
V_CONSTEXPR int left() const {return x1;}
V_CONSTEXPR int top() const {return y1;}
V_CONSTEXPR int right() const {return x2;}
V_CONSTEXPR int bottom() const {return y2;}
V_CONSTEXPR int width() const {return x2-x1;}
V_CONSTEXPR int height() const {return y2-y1;}
V_CONSTEXPR int x() const {return x1;}
V_CONSTEXPR int y() const {return y1;}
VSize size() const {return {width(), height()};}
void setLeft(int l) { x1 = l; }
void setTop(int t) { y1 = t; }
void setRight(int r) { x2 = r; }
void setBottom(int b) { y2 = b; }
void setWidth(int w) { x2 = x1 + w; }
void setHeight(int h) { y2 = y1 + h; }
VRect translated(int dx, int dy) const;
void translate(int dx, int dy);
bool contains(const VRect &r, bool proper = false) const;
bool intersects(const VRect &r);
friend V_CONSTEXPR inline bool operator==(const VRect &,
const VRect &) noexcept;
friend V_CONSTEXPR inline bool operator!=(const VRect &,
const VRect &) noexcept;
friend VDebug & operator<<(VDebug &os, const VRect &o);
VRect intersected(const VRect &r) const;
VRect operator&(const VRect &r) const;
private:
int x1{0};
int y1{0};
int x2{0};
int y2{0};
};
inline VRect VRect::intersected(const VRect &r) const
{
return *this & r;
}
inline bool VRect::intersects(const VRect &r)
{
return (right() > r.left() && left() < r.right() && bottom() > r.top() &&
top() < r.bottom());
}
inline VDebug &operator<<(VDebug &os, const VRect &o)
{
os << "{R " << o.x() << "," << o.y() << "," << o.width() << ","
<< o.height() << "}";
return os;
}
V_CONSTEXPR inline bool operator==(const VRect &r1, const VRect &r2) noexcept
{
return r1.x1 == r2.x1 && r1.x2 == r2.x2 && r1.y1 == r2.y1 && r1.y2 == r2.y2;
}
V_CONSTEXPR inline bool operator!=(const VRect &r1, const VRect &r2) noexcept
{
return r1.x1 != r2.x1 || r1.x2 != r2.x2 || r1.y1 != r2.y1 || r1.y2 != r2.y2;
}
inline VRect VRect::translated(int dx, int dy) const
{
return {x1 + dx, y1 + dy, x2 - x1, y2 - y1};
}
inline void VRect::translate(int dx, int dy)
{
x1 += dx;
y1 += dy;
x2 += dx;
y2 += dy;
}
inline bool VRect::contains(const VRect &r, bool proper) const
{
return proper ?
((x1 < r.x1) && (x2 > r.x2) && (y1 < r.y1) && (y2 > r.y2)) :
((x1 <= r.x1) && (x2 >= r.x2) && (y1 <= r.y1) && (y2 >= r.y2));
}
class VRectF {
public:
VRectF() = default;
VRectF(double x, double y, double w, double h):
x1(float(x)),y1(float(y)),
x2(float(x+w)),y2(float(y+h)){}
operator VRect() const {
return {int(left()), int(right()), int(width()), int(height())};
}
V_CONSTEXPR bool empty() const {return x1 >= x2 || y1 >= y2;}
V_CONSTEXPR float left() const {return x1;}
V_CONSTEXPR float top() const {return y1;}
V_CONSTEXPR float right() const {return x2;}
V_CONSTEXPR float bottom() const {return y2;}
V_CONSTEXPR float width() const {return x2-x1;}
V_CONSTEXPR float height() const {return y2-y1;}
V_CONSTEXPR float x() const {return x1;}
V_CONSTEXPR float y() const {return y1;}
V_CONSTEXPR inline VPointF center() const
{
return {x1 + (x2 - x1) / 2.f, y1 + (y2 - y1) / 2.f};
}
void setLeft(float l) { x1 = l; }
void setTop(float t) { y1 = t; }
void setRight(float r) { x2 = r; }
void setBottom(float b) { y2 = b; }
void setWidth(float w) { x2 = x1 + w; }
void setHeight(float h) { y2 = y1 + h; }
void translate(float dx, float dy)
{
x1 += dx;
y1 += dy;
x2 += dx;
y2 += dy;
}
private:
float x1{0};
float y1{0};
float x2{0};
float y2{0};
};
inline VRect::operator VRectF() const
{
return {double(left()), double(right()), double(width()), double(height())};
}
V_END_NAMESPACE
#endif // VRECT_H
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