mirror of
https://github.com/RGBCube/serenity
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300 lines
7.9 KiB
C++
300 lines
7.9 KiB
C++
#pragma once
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#include <AK/LogStream.h>
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#include <AK/String.h>
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#include <LibDraw/FloatPoint.h>
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#include <LibDraw/FloatSize.h>
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#include <LibDraw/Orientation.h>
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#include <LibDraw/Rect.h>
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#include <LibDraw/TextAlignment.h>
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#include <math.h>
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class FloatRect {
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public:
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FloatRect() {}
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FloatRect(float x, float y, float width, float height)
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: m_location(x, y)
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, m_size(width, height)
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{
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}
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FloatRect(const FloatPoint& location, const FloatSize& size)
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: m_location(location)
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, m_size(size)
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{
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}
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FloatRect(const FloatRect& other)
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: m_location(other.m_location)
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, m_size(other.m_size)
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{
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}
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bool is_null() const
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{
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return width() == 0 && height() == 0;
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}
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bool is_empty() const
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{
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return width() <= 0 || height() <= 0;
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}
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void move_by(float dx, float dy)
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{
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m_location.move_by(dx, dy);
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}
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void move_by(const FloatPoint& delta)
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{
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m_location.move_by(delta);
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}
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FloatPoint center() const
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{
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return { x() + width() / 2, y() + height() / 2 };
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}
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void set_location(const FloatPoint& location)
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{
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m_location = location;
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}
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void set_size(const FloatSize& size)
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{
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m_size = size;
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}
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void set_size(float width, float height)
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{
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m_size.set_width(width);
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m_size.set_height(height);
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}
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void inflate(float w, float h)
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{
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set_x(x() - w / 2);
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set_width(width() + w);
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set_y(y() - h / 2);
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set_height(height() + h);
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}
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void shrink(float w, float h)
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{
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set_x(x() + w / 2);
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set_width(width() - w);
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set_y(y() + h / 2);
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set_height(height() - h);
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}
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FloatRect shrunken(float w, float h) const
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{
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FloatRect rect = *this;
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rect.shrink(w, h);
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return rect;
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}
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FloatRect inflated(float w, float h) const
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{
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FloatRect rect = *this;
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rect.inflate(w, h);
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return rect;
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}
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FloatRect translated(float dx, float dy) const
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{
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FloatRect rect = *this;
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rect.move_by(dx, dy);
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return rect;
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}
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FloatRect translated(const FloatPoint& delta) const
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{
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FloatRect rect = *this;
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rect.move_by(delta);
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return rect;
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}
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bool contains_vertically(float y) const
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{
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return y >= top() && y <= bottom();
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}
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bool contains_horizontally(float x) const
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{
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return x >= left() && x <= right();
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}
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bool contains(float x, float y) const
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{
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return x >= m_location.x() && x <= right() && y >= m_location.y() && y <= bottom();
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}
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bool contains(const FloatPoint& point) const
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{
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return contains(point.x(), point.y());
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}
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bool contains(const FloatRect& other) const
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{
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return left() <= other.left()
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&& right() >= other.right()
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&& top() <= other.top()
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&& bottom() >= other.bottom();
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}
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float primary_offset_for_orientation(Orientation orientation) const { return m_location.primary_offset_for_orientation(orientation); }
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void set_primary_offset_for_orientation(Orientation orientation, float value) { m_location.set_primary_offset_for_orientation(orientation, value); }
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float secondary_offset_for_orientation(Orientation orientation) const { return m_location.secondary_offset_for_orientation(orientation); }
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void set_secondary_offset_for_orientation(Orientation orientation, float value) { m_location.set_secondary_offset_for_orientation(orientation, value); }
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float primary_size_for_orientation(Orientation orientation) const { return m_size.primary_size_for_orientation(orientation); }
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float secondary_size_for_orientation(Orientation orientation) const { return m_size.secondary_size_for_orientation(orientation); }
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void set_primary_size_for_orientation(Orientation orientation, float value) { m_size.set_primary_size_for_orientation(orientation, value); }
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void set_secondary_size_for_orientation(Orientation orientation, float value) { m_size.set_secondary_size_for_orientation(orientation, value); }
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float first_edge_for_orientation(Orientation orientation) const
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{
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if (orientation == Orientation::Vertical)
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return top();
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return left();
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}
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float last_edge_for_orientation(Orientation orientation) const
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{
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if (orientation == Orientation::Vertical)
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return bottom();
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return right();
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}
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float left() const { return x(); }
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float right() const { return x() + width() - 1; }
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float top() const { return y(); }
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float bottom() const { return y() + height() - 1; }
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void set_left(float left)
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{
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set_x(left);
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}
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void set_top(float top)
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{
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set_y(top);
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}
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void set_right(float right)
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{
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set_width(right - x() + 1);
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}
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void set_bottom(float bottom)
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{
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set_height(bottom - y() + 1);
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}
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void set_right_without_resize(float new_right)
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{
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float delta = new_right - right();
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move_by(delta, 0);
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}
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void set_bottom_without_resize(float new_bottom)
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{
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float delta = new_bottom - bottom();
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move_by(0, delta);
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}
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bool intersects(const FloatRect& other) const
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{
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return left() <= other.right()
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&& other.left() <= right()
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&& top() <= other.bottom()
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&& other.top() <= bottom();
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}
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float x() const { return location().x(); }
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float y() const { return location().y(); }
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float width() const { return m_size.width(); }
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float height() const { return m_size.height(); }
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void set_x(float x) { m_location.set_x(x); }
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void set_y(float y) { m_location.set_y(y); }
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void set_width(float width) { m_size.set_width(width); }
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void set_height(float height) { m_size.set_height(height); }
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FloatPoint location() const { return m_location; }
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FloatSize size() const { return m_size; }
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Vector<FloatRect, 4> shatter(const FloatRect& hammer) const;
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bool operator==(const FloatRect& other) const
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{
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return m_location == other.m_location
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&& m_size == other.m_size;
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}
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void intersect(const FloatRect&);
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static FloatRect intersection(const FloatRect& a, const FloatRect& b)
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{
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FloatRect r(a);
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r.intersect(b);
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return r;
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}
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FloatRect intersected(const FloatRect& other) const
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{
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return intersection(*this, other);
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}
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FloatRect united(const FloatRect&) const;
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FloatPoint top_left() const { return { left(), top() }; }
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FloatPoint top_right() const { return { right(), top() }; }
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FloatPoint bottom_left() const { return { left(), bottom() }; }
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FloatPoint bottom_right() const { return { right(), bottom() }; }
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void align_within(const FloatRect&, TextAlignment);
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void center_within(const FloatRect& other)
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{
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center_horizontally_within(other);
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center_vertically_within(other);
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}
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void center_horizontally_within(const FloatRect& other)
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{
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set_x(other.center().x() - width() / 2);
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}
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void center_vertically_within(const FloatRect& other)
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{
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set_y(other.center().y() - height() / 2);
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}
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String to_string() const { return String::format("[%g,%g %gx%g]", x(), y(), width(), height()); }
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private:
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FloatPoint m_location;
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FloatSize m_size;
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};
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inline void FloatPoint::constrain(const FloatRect& rect)
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{
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if (x() < rect.left())
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set_x(rect.left());
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else if (x() > rect.right())
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set_x(rect.right());
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if (y() < rect.top())
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set_y(rect.top());
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else if (y() > rect.bottom())
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set_y(rect.bottom());
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}
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inline const LogStream& operator<<(const LogStream& stream, const FloatRect& value)
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{
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return stream << value.to_string();
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}
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inline Rect enclosing_int_rect(const FloatRect& float_rect)
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{
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return { (int)float_rect.x(), (int)float_rect.y(), (int)ceilf(float_rect.width()), (int)ceilf(float_rect.height()) };
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}
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