128 lines
2.8 KiB
C++
128 lines
2.8 KiB
C++
#pragma once
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#include <AK/String.h>
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#include <AK/LogStream.h>
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#include <LibDraw/Orientation.h>
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class Rect;
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class Point {
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public:
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Point() {}
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Point(int x, int y)
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: m_x(x)
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, m_y(y)
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{
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}
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int x() const { return m_x; }
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int y() const { return m_y; }
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void set_x(int x) { m_x = x; }
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void set_y(int y) { m_y = y; }
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void move_by(int dx, int dy)
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{
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m_x += dx;
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m_y += dy;
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}
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void move_by(const Point& delta)
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{
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move_by(delta.x(), delta.y());
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}
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Point translated(const Point& delta) const
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{
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Point point = *this;
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point.move_by(delta);
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return point;
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}
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Point translated(int dx, int dy) const
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{
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Point point = *this;
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point.move_by(dx, dy);
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return point;
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}
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void constrain(const Rect&);
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bool operator==(const Point& other) const
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{
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return m_x == other.m_x
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&& m_y == other.m_y;
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}
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bool operator!=(const Point& other) const
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{
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return !(*this == other);
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}
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Point operator-() const { return { -m_x, -m_y }; }
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Point operator-(const Point& other) const { return { m_x - other.m_x, m_y - other.m_y }; }
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Point& operator-=(const Point& other)
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{
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m_x -= other.m_x;
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m_y -= other.m_y;
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return *this;
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}
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Point& operator+=(const Point& other)
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{
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m_x += other.m_x;
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m_y += other.m_y;
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return *this;
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}
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Point operator+(const Point& other) const { return { m_x + other.m_x, m_y + other.m_y }; }
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String to_string() const { return String::format("[%d,%d]", x(), y()); }
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bool is_null() const { return !m_x && !m_y; }
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int primary_offset_for_orientation(Orientation orientation) const
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{
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return orientation == Orientation::Vertical ? y() : x();
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}
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void set_primary_offset_for_orientation(Orientation orientation, int value)
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{
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if (orientation == Orientation::Vertical)
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set_y(value);
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else
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set_x(value);
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}
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int secondary_offset_for_orientation(Orientation orientation) const
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{
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return orientation == Orientation::Vertical ? x() : y();
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}
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void set_secondary_offset_for_orientation(Orientation orientation, int value)
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{
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if (orientation == Orientation::Vertical)
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set_x(value);
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else
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set_y(value);
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}
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// Returns pixels moved from other in either direction
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int pixels_moved(const Point &other) const
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{
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auto pixels_moved = max(
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abs(other.x() - x()),
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abs(other.y() - y())
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);
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return pixels_moved;
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}
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private:
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int m_x { 0 };
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int m_y { 0 };
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};
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inline const LogStream& operator<<(const LogStream& stream, const Point& value)
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{
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return stream << value.to_string();
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}
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