47 lines
1.9 KiB
C++
47 lines
1.9 KiB
C++
// SPDX-License-Identifier: MIT
|
|
// Copyright 2010, SIL International, All rights reserved.
|
|
|
|
#pragma once
|
|
|
|
namespace graphite2 {
|
|
|
|
class Position
|
|
{
|
|
public:
|
|
constexpr Position() : x(0), y(0) { }
|
|
Position(const float inx, const float iny) : x(inx), y(iny) {}
|
|
Position operator + (const Position& a) const { return Position(x + a.x, y + a.y); }
|
|
Position operator - (const Position& a) const { return Position(x - a.x, y - a.y); }
|
|
Position operator * (const float m) const { return Position(x * m, y * m); }
|
|
Position &operator += (const Position &a) { x += a.x; y += a.y; return *this; }
|
|
Position &operator -= (const Position &a) { x -= a.x; y -= a.y; return *this; }
|
|
Position &operator *= (const float m) { x *= m; y *= m; return *this; }
|
|
|
|
float x;
|
|
float y;
|
|
};
|
|
|
|
class Rect
|
|
{
|
|
public :
|
|
Rect() {}
|
|
Rect(const Position& botLeft, const Position& topRight): bl(botLeft), tr(topRight) {}
|
|
Rect widen(const Rect& other) { return Rect(Position(bl.x > other.bl.x ? other.bl.x : bl.x, bl.y > other.bl.y ? other.bl.y : bl.y), Position(tr.x > other.tr.x ? tr.x : other.tr.x, tr.y > other.tr.y ? tr.y : other.tr.y)); }
|
|
Rect operator + (const Position &a) const { return Rect(Position(bl.x + a.x, bl.y + a.y), Position(tr.x + a.x, tr.y + a.y)); }
|
|
Rect operator - (const Position &a) const { return Rect(Position(bl.x - a.x, bl.y - a.y), Position(tr.x - a.x, tr.y - a.y)); }
|
|
Rect operator * (float m) const { return Rect(Position(bl.x, bl.y) * m, Position(tr.x, tr.y) * m); }
|
|
float width() const { return tr.x - bl.x; }
|
|
float height() const { return tr.y - bl.y; }
|
|
|
|
bool hitTest(Rect &other);
|
|
|
|
// returns Position(overlapx, overlapy) where overlap<0 if overlapping else positive)
|
|
Position overlap(Position &offset, Rect &other, Position &otherOffset);
|
|
//Position constrainedAvoid(Position &offset, Rect &box, Rect &sdbox, Position &other, Rect &obox, Rect &osdbox);
|
|
|
|
Position bl;
|
|
Position tr;
|
|
};
|
|
|
|
} // namespace graphite2
|