Archived
forked from RDTKEditor/RDTKEditor
255 lines
10 KiB
C#
255 lines
10 KiB
C#
using System.Diagnostics;
|
|
using System.Diagnostics.CodeAnalysis;
|
|
namespace RhythmBase.Components
|
|
{
|
|
/// <summary>
|
|
/// Represents a rectangle defined by its left, top, right, and bottom edges.
|
|
/// </summary>
|
|
/// <param name="left">The left edge of the rectangle.</param>
|
|
/// <param name="top">The top edge of the rectangle.</param>
|
|
/// <param name="right">The right edge of the rectangle.</param>
|
|
/// <param name="bottom">The bottom edge of the rectangle.</param>
|
|
[DebuggerDisplay($"{{{nameof(GetDebuggerDisplay)}(),nq}}")]
|
|
public struct RDRectN(float left, float top, float right, float bottom)
|
|
{
|
|
/// <summary>
|
|
/// Gets or sets the left edge of the rectangle.
|
|
/// </summary>
|
|
public float Left { get; set; } = left;
|
|
|
|
/// <summary>
|
|
/// Gets or sets the right edge of the rectangle.
|
|
/// </summary>
|
|
public float Right { get; set; } = top;
|
|
|
|
/// <summary>
|
|
/// Gets or sets the top edge of the rectangle.
|
|
/// </summary>
|
|
public float Top { get; set; } = right;
|
|
|
|
/// <summary>
|
|
/// Gets or sets the bottom edge of the rectangle.
|
|
/// </summary>
|
|
public float Bottom { get; set; } = bottom;
|
|
|
|
/// <summary>
|
|
/// Gets the point at the left-bottom corner of the rectangle.
|
|
/// </summary>
|
|
public readonly RDPointN LeftBottom => new(Left, Bottom);
|
|
|
|
/// <summary>
|
|
/// Gets the point at the right-bottom corner of the rectangle.
|
|
/// </summary>
|
|
public readonly RDPointN RightBottom => new(Right, Bottom);
|
|
|
|
/// <summary>
|
|
/// Gets the point at the left-top corner of the rectangle.
|
|
/// </summary>
|
|
public readonly RDPointN LeftTop => new(Left, Top);
|
|
|
|
/// <summary>
|
|
/// Gets the point at the right-top corner of the rectangle.
|
|
/// </summary>
|
|
public readonly RDPointN RightTop => new(Right, Top);
|
|
|
|
/// <summary>
|
|
/// Gets the width of the rectangle.
|
|
/// </summary>
|
|
public readonly float Width => Right - Left;
|
|
|
|
/// <summary>
|
|
/// Gets the height of the rectangle.
|
|
/// </summary>
|
|
public readonly float Height => Top - Bottom;
|
|
|
|
/// <summary>
|
|
/// Initializes a new instance of the <see cref="RDRectN"/> struct with the specified location and size.
|
|
/// </summary>
|
|
/// <param name="location">The location of the rectangle.</param>
|
|
/// <param name="size">The size of the rectangle.</param>
|
|
public RDRectN(RDPointN location, RDSizeN size) : this(location.X, location.Y + size.Height, location.X + size.Width, location.Y) { }
|
|
|
|
/// <summary>
|
|
/// Initializes a new instance of the <see cref="RDRectN"/> struct with the specified size.
|
|
/// </summary>
|
|
/// <param name="size">The size of the rectangle.</param>
|
|
public RDRectN(RDSizeN size) : this(0f, size.Height, size.Width, 0f) { }
|
|
|
|
/// <summary>
|
|
/// Initializes a new instance of the <see cref="RDRectN"/> struct with the specified width and height.
|
|
/// </summary>
|
|
/// <param name="width">The width of the rectangle.</param>
|
|
/// <param name="height">The height of the rectangle.</param>
|
|
public RDRectN(float width, float height) : this(0f, height, width, 0f) { }
|
|
|
|
/// <summary>
|
|
/// Gets the location of the rectangle as an <see cref="RDPointNI"/>.
|
|
/// </summary>
|
|
public readonly RDPointNI Location => new((int)Math.Round((double)Left), (int)Math.Round((double)Bottom));
|
|
|
|
/// <summary>
|
|
/// Gets the size of the rectangle as an <see cref="RDSizeNI"/>.
|
|
/// </summary>
|
|
public readonly RDSizeNI Size => (new RDSizeNI((int)Math.Round((double)Width), (int)Math.Round((double)Height)));
|
|
|
|
/// <summary>
|
|
/// Inflates the specified rectangle by the specified size.
|
|
/// </summary>
|
|
/// <param name="rect">The rectangle to inflate.</param>
|
|
/// <param name="size">The size to inflate by.</param>
|
|
/// <returns>The inflated rectangle.</returns>
|
|
public static RDRectN Inflate(RDRectN rect, RDSizeNI size)
|
|
{
|
|
RDRectN result = new(rect.Left, rect.Top, rect.Right, rect.Bottom);
|
|
result.Inflate(size);
|
|
return result;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Inflates the specified rectangle by the specified width and height.
|
|
/// </summary>
|
|
/// <param name="rect">The rectangle to inflate.</param>
|
|
/// <param name="x">The width to inflate by.</param>
|
|
/// <param name="y">The height to inflate by.</param>
|
|
/// <returns>The inflated rectangle.</returns>
|
|
public static RDRectN Inflate(RDRectN rect, float x, float y)
|
|
{
|
|
RDRectN result = new(rect.Left, rect.Top, rect.Right, rect.Bottom);
|
|
result.Inflate(x, y);
|
|
return result;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Determines whether the rectangle contains the specified point.
|
|
/// </summary>
|
|
/// <param name="x">The x-coordinate of the point.</param>
|
|
/// <param name="y">The y-coordinate of the point.</param>
|
|
/// <returns><c>true</c> if the rectangle contains the point; otherwise, <c>false</c>.</returns>
|
|
public readonly bool Contains(float x, float y) => Left < x && x < Right && Bottom < y && y < Top;
|
|
|
|
/// <summary>
|
|
/// Determines whether the rectangle contains the specified point.
|
|
/// </summary>
|
|
/// <param name="p">The point to check.</param>
|
|
/// <returns><c>true</c> if the rectangle contains the point; otherwise, <c>false</c>.</returns>
|
|
public readonly bool Contains(RDPointN p) => Left < p.X && p.X < Right && Bottom < p.Y && p.Y < Top;
|
|
|
|
/// <summary>
|
|
/// Determines whether the rectangle contains the specified rectangle.
|
|
/// </summary>
|
|
/// <param name="rect">The rectangle to check.</param>
|
|
/// <returns><c>true</c> if the rectangle contains the specified rectangle; otherwise, <c>false</c>.</returns>
|
|
public readonly bool Contains(RDRectN rect) => Left < rect.Left && rect.Right < Right && Bottom < rect.Bottom && rect.Top < Top;
|
|
|
|
/// <summary>
|
|
/// Returns the union of two rectangles.
|
|
/// </summary>
|
|
/// <param name="rect1">The first rectangle.</param>
|
|
/// <param name="rect2">The second rectangle.</param>
|
|
/// <returns>The union of the two rectangles.</returns>
|
|
public static RDRectN Union(RDRectN rect1, RDRectN rect2) => new(Math.Min(rect1.Left, rect2.Left), Math.Max(rect1.Top, rect2.Top), Math.Max(rect1.Right, rect2.Right), Math.Min(rect1.Bottom, rect2.Bottom));
|
|
|
|
/// <summary>
|
|
/// Returns the intersection of two rectangles.
|
|
/// </summary>
|
|
/// <param name="rect1">The first rectangle.</param>
|
|
/// <param name="rect2">The second rectangle.</param>
|
|
/// <returns>The intersection of the two rectangles, or the default rectangle if they do not intersect.</returns>
|
|
public static RDRectN Intersect(RDRectN rect1, RDRectN rect2) => rect1.IntersectsWithInclusive(rect2) ? new RDRectN(
|
|
Math.Max(rect1.Left, rect2.Left),
|
|
Math.Max(rect1.Top, rect2.Top),
|
|
Math.Min(rect1.Right, rect2.Right),
|
|
Math.Min(rect1.Bottom, rect2.Bottom)) : default;
|
|
|
|
/// <summary>
|
|
/// Truncates the specified rectangle.
|
|
/// </summary>
|
|
/// <param name="rect">The rectangle to truncate.</param>
|
|
/// <returns>The truncated rectangle.</returns>
|
|
public static RDRectN Truncate(RDRectN rect) => new(rect.Left, rect.Top, rect.Right, rect.Bottom);
|
|
|
|
/// <summary>
|
|
/// Offsets the rectangle by the specified amount.
|
|
/// </summary>
|
|
/// <param name="x">The amount to offset by along the x-axis.</param>
|
|
/// <param name="y">The amount to offset by along the y-axis.</param>
|
|
public void Offset(float x, float y)
|
|
{
|
|
Left += x;
|
|
Top += y;
|
|
Right += x;
|
|
Bottom += y;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Offsets the rectangle by the specified point.
|
|
/// </summary>
|
|
/// <param name="p">The point to offset by.</param>
|
|
public void Offset(RDPointN p) => Offset(p.X, p.Y);
|
|
|
|
/// <summary>
|
|
/// Inflates the rectangle by the specified size.
|
|
/// </summary>
|
|
/// <param name="size">The size to inflate by.</param>
|
|
public void Inflate(RDSizeN size)
|
|
{
|
|
Left -= size.Width;
|
|
Top += size.Height;
|
|
Right += size.Width;
|
|
Bottom -= size.Height;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Inflates the rectangle by the specified width and height.
|
|
/// </summary>
|
|
/// <param name="width">The width to inflate by.</param>
|
|
/// <param name="height">The height to inflate by.</param>
|
|
public void Inflate(float width, float height)
|
|
{
|
|
Left -= width;
|
|
Top += height;
|
|
Right += width;
|
|
Bottom -= height;
|
|
}
|
|
/// <summary>
|
|
/// Returns the union of this rectangle with the specified rectangle.
|
|
/// </summary>
|
|
/// <param name="rect">The rectangle to union with.</param>
|
|
/// <returns>The union of the two rectangles.</returns>
|
|
public readonly RDRectN Union(RDRectN rect) => Union(this, rect);
|
|
/// <summary>
|
|
/// Determines whether this rectangle intersects with the specified rectangle, including the edges.
|
|
/// </summary>
|
|
/// <param name="rect">The rectangle to check for intersection.</param>
|
|
/// <returns><c>true</c> if the rectangles intersect; otherwise, <c>false</c>.</returns>
|
|
public readonly bool IntersectsWithInclusive(RDRectN rect) => Left <= rect.Right && Right >= rect.Left && Top <= rect.Bottom && Bottom >= rect.Top;
|
|
/// <inheritdoc/>
|
|
public static bool operator ==(RDRectN rect1, RDRectN rect2) => rect1.Equals(rect2);
|
|
/// <inheritdoc/>
|
|
public static bool operator !=(RDRectN rect1, RDRectN rect2) => !rect1.Equals(rect2);
|
|
/// <inheritdoc/>
|
|
public override readonly bool Equals([NotNullWhen(true)] object? obj) => obj is RDRectN e && Equals(e);
|
|
/// <inheritdoc/>
|
|
public override readonly int GetHashCode() => HashCode.Combine(Left, Top, Right, Bottom);
|
|
/// <inheritdoc/>
|
|
public override readonly string ToString() => $"{{Location=[{Left},{Bottom}],Size=[{Width},{Height}]}}";
|
|
/// <inheritdoc/>
|
|
public readonly bool Equals(RDRectN other) => Left == other.Left && Top == other.Top && Right == other.Right && Bottom == other.Bottom;
|
|
|
|
/// <summary>
|
|
/// Converts an <see cref="RDRectN"/> to an <see cref="RDRect"/>.
|
|
/// </summary>
|
|
/// <param name="rect">The <see cref="RDRectN"/> to convert.</param>
|
|
/// <returns>An <see cref="RDRect"/> that represents the same rectangle.</returns>
|
|
public static implicit operator RDRect(RDRectN rect) => new(rect.Left, rect.Top, rect.Right, rect.Bottom);
|
|
|
|
/// <summary>
|
|
/// Converts an <see cref="RDRectN"/> to an <see cref="RDRectE"/>.
|
|
/// </summary>
|
|
/// <param name="rect">The <see cref="RDRectN"/> to convert.</param>
|
|
/// <returns>An <see cref="RDRectE"/> that represents the same rectangle.</returns>
|
|
public static implicit operator RDRectE(RDRectN rect) => new(rect.Left, rect.Top, rect.Right, rect.Bottom);
|
|
private readonly string GetDebuggerDisplay() => ToString();
|
|
}
|
|
}
|