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LibDraw: Add FloatPoint, FloatSize and FloatRect
These are floating point varians of Point, Size and Rect.
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117
Libraries/LibDraw/FloatPoint.h
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117
Libraries/LibDraw/FloatPoint.h
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#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 FloatRect;
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class FloatPoint {
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public:
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FloatPoint() {}
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FloatPoint(float x, float 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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float x() const { return m_x; }
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float y() const { return m_y; }
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void set_x(float x) { m_x = x; }
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void set_y(float y) { m_y = y; }
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void move_by(float dx, float 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 FloatPoint& delta)
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{
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move_by(delta.x(), delta.y());
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}
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FloatPoint translated(const FloatPoint& delta) const
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{
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FloatPoint point = *this;
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point.move_by(delta);
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return point;
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}
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FloatPoint translated(float dx, float dy) const
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{
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FloatPoint 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 FloatRect&);
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bool operator==(const FloatPoint& 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 FloatPoint& other) const
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{
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return !(*this == other);
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}
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FloatPoint operator-() const { return { -m_x, -m_y }; }
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FloatPoint operator-(const FloatPoint& other) const { return { m_x - other.m_x, m_y - other.m_y }; }
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FloatPoint& operator-=(const FloatPoint& 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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FloatPoint& operator+=(const FloatPoint& 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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FloatPoint operator+(const FloatPoint& other) const { return { m_x + other.m_x, m_y + other.m_y }; }
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String to_string() const { return String::format("[%g,%g]", x(), y()); }
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bool is_null() const { return !m_x && !m_y; }
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float 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, float 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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float 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, float 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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private:
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float m_x { 0 };
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float m_y { 0 };
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};
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inline const LogStream& operator<<(const LogStream& stream, const FloatPoint& value)
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{
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return stream << value.to_string();
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}
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