123 lines
2.8 KiB
C
123 lines
2.8 KiB
C
/*
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* iGeometry.h
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* 2Term
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*
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* Created by Kelvin Sherlock on 7/7/2010.
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* Copyright 2010 __MyCompanyName__. All rights reserved.
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*
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*/
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#ifndef __IGEOMETRY_H__
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#define __IGEOMETRY_H__
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typedef struct iSize {
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int width = 0;
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int height = 0;
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iSize() = default;
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iSize(const iSize &) = default;
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iSize(int w, int h) : width(w), height(h) {}
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iSize &operator=(const iSize &) = default;
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bool operator==(const iSize &aSize) const
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{ return width == aSize.width && height == aSize.height; }
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bool operator!=(const iSize& aSize) const
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{ return !(*this == aSize); }
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} iSize;
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typedef struct iPoint {
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int x = 0;
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int y = 0;
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iPoint() = default;
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iPoint(const iPoint &aPoint) = default;
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iPoint(int xx, int yy) : x(xx), y(yy) {}
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iPoint &operator=(const iPoint &) = default;
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bool operator==(const iPoint &aPoint) const
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{ return x == aPoint.x && y == aPoint.y; }
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bool operator!=(const iPoint &aPoint) const
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{ return !(*this == aPoint); }
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iPoint offset(int dx, int dy) const
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{ return iPoint(x + dx, y + dy); }
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iPoint offset(iSize aSize) const
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{ return iPoint(x + aSize.width, y + aSize.height); }
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} iPoint;
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typedef struct iRect {
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iPoint origin;
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iSize size;
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iRect() = default;
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iRect(const iRect &aRect) = default;
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iRect(const iPoint &aPoint, const iSize &aSize) : origin(aPoint), size(aSize) {}
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iRect(int x, int y, int width, int height) : origin(x, y), size(width, height) {}
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iRect(const iPoint &topLeft, const iPoint &bottomRight) :
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origin(topLeft), size(bottomRight.x - topLeft.x, bottomRight.y - topLeft.y)
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{}
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iRect &operator=(const iRect &) = default;
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bool contains(const iPoint aPoint) const;
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bool contains(const iRect aRect) const;
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bool intersects(const iRect aRect) const;
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iRect intersection(const iRect &rhs) const;
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bool operator==(const iRect &rhs) const {
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return origin == rhs.origin && size == rhs.size;
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}
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bool operator!=(const iRect &rhs) const {
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return !(*this == rhs);
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}
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explicit operator bool() const { return size.height >= 0 && size.width >= 0; }
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bool operator!() const { return size.height < 0 || size.width < 0; }
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bool valid() const { return size.height >= 0 && size.width >= 0; }
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iPoint topLeft() const { return origin; }
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iPoint bottomRight() const { return iPoint(maxX(), maxY()); }
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void setBottomLeft(iPoint &p);
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int height() const
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{ return size.height; }
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int width() const
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{ return size.width; }
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int minX() const
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{ return origin.x; }
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int minY() const
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{ return origin.y; }
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int maxX() const
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{ return minX() + width(); }
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int maxY() const
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{ return minY() + height(); }
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} iRect;
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#endif
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