SharedGraphics/Point.h


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47

#pragma once

class Rect;
struct GUI_Point;

class Point {
public:
    Point() { }
    Point(int x, int y) : m_x(x) , m_y(y) { }
    Point(const GUI_Point&);

    int x() const { return m_x; }
    int y() const { return m_y; }

    void set_x(int x) { m_x = x; }
    void set_y(int y) { m_y = y; }

    void move_by(int dx, int dy)
    {
        m_x += dx;
        m_y += dy;
    }

    void move_by(const Point& delta)
    {
        move_by(delta.x(), delta.y());
    }

    void constrain(const Rect&);

    bool operator==(const Point& other) const
    {
        return m_x == other.m_x
            && m_y == other.m_y;
    }

    bool operator!=(const Point& other) const
    {
        return !(*this == other);
    }

    operator GUI_Point() const;

private:
    int m_x { 0 };
    int m_y { 0 };
};