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Enabled System.Drawing.Point/Size/Rectangle replacements.

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This commit is contained in:
the_fiddler 2009-11-04 19:10:32 +00:00
parent 2cec4c1696
commit 078adc4b83
3 changed files with 198 additions and 49 deletions
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10
Source/OpenTK/Math/Point.cs
View file

@ -31,8 +31,9 @@ using System.Text;
namespace OpenTK
{
#if EXPERIMENTAL
/// <summary>
/// Defines a point on a two-dimensional plane.
/// </summary>
public struct Point : IEquatable<Point>
{
#region Fields
@ -44,11 +45,12 @@ namespace OpenTK
#region Constructors
/// <summary>
/// Constructs a new instance.
/// Constructs a new Point instance.
/// </summary>
/// <param name="x">The X coordinate of this instance.</param>
/// <param name="y">The Y coordinate of this instance.</param>
public Point(int x, int y)
: this()
{
X = x;
Y = y;
@ -228,6 +230,4 @@ namespace OpenTK
#endregion
}
#endif
}

160
Source/OpenTK/Math/Rectangle.cs
View file

@ -31,20 +31,25 @@ using System.Text;
namespace OpenTK
{
#if EXPERIMENTAL
/// <summary>
/// Represents a rectangular region on a two-dimensional plane.
/// </summary>
public struct Rectangle : IEquatable<Rectangle>
{
#region Fields
Point location;
Size size;
#endregion
#region Constructors
/// <summary>
/// Constructs a new Rectangle instance.
/// </summary>
/// <param name="location">The top-left corner of the Rectangle.</param>
/// <param name="size">The width and height of the Rectangle.</param>
public Rectangle(Point location, Size size)
: this()
{
@ -52,6 +57,13 @@ namespace OpenTK
Size = size;
}
/// <summary>
/// Constructs a new Rectangle instance.
/// </summary>
/// <param name="x">The x coordinate of the Rectangle.</param>
/// <param name="y">The y coordinate of the Rectangle.</param>
/// <param name="width">The width coordinate of the Rectangle.</param>
/// <param name="height">The height coordinate of the Rectangle.</param>
public Rectangle(int x, int y, int width, int height)
: this(new Point(x, y), new Size(width, height))
{ }
@ -60,45 +72,80 @@ namespace OpenTK
#region Public Members
/// <summary>
/// Gets or sets the x coordinate of the Rectangle.
/// </summary>
public int X
{
get { return Location.X; }
set { Location = new Point (value, Y); }
}
/// <summary>
/// Gets or sets the y coordinate of the Rectangle.
/// </summary>
public int Y
{
get { return Location.Y; }
set { Location = new Point (X, value); }
}
/// <summary>
/// Gets or sets the width of the Rectangle.
/// </summary>
public int Width
{
get { return Size.Width; }
set { Size = new Size (value, Height); }
}
/// <summary>
/// Gets or sets the height of the Rectangle.
/// </summary>
public int Height
{
get { return Size.Height; }
set { Size = new Size(Width, value); }
}
/// <summary>
/// Gets or sets a <see cref="Point"/> representing the x and y coordinates
/// of the Rectangle.
/// </summary>
public Point Location
{
get { return location; }
set { location = value; }
}
/// <summary>
/// Gets or sets a <see cref="Size"/> representing the width and height
/// of the Rectangle.
/// </summary>
public Size Size
{
get { return size; }
set { size = value; }
}
/// <summary>
/// Gets the y coordinate of the top edge of this Rectangle.
/// </summary>
public int Top { get { return Y; } }
/// <summary>
/// Gets the x coordinate of the right edge of this Rectangle.
/// </summary>
public int Right { get { return X + Width; } }
/// <summary>
/// Gets the y coordinate of the bottom edge of this Rectangle.
/// </summary>
public int Bottom { get { return Y + Height; } }
/// <summary>
/// Gets the x coordinate of the left edge of this Rectangle.
/// </summary>
public int Left { get { return X; } }
public bool IsEmpty
@ -106,54 +153,159 @@ namespace OpenTK
get { return Location.IsEmpty && Size.IsEmpty; }
}
/// <summary>
/// Defines the empty Rectangle.
/// </summary>
public static readonly Rectangle Zero = new Rectangle();
/// <summary>
/// Defines the empty Rectangle.
/// </summary>
public static readonly Rectangle Empty = new Rectangle();
/// <summary>
/// Constructs a new instance with the specified 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>
/// <returns>A new Rectangle instance with the specified edges.</returns>
public static Rectangle FromLTRB(int left, int top, int right, int bottom)
{
return new Rectangle(new Point(left, top), new Size(right - left, bottom - top));
}
/// <summary>
/// Tests whether this instance contains the specified Point.
/// </summary>
/// <param name="point">The <see cref="Point"/> to test.</param>
/// <returns>True if this instance contains point; false otherwise.</returns>
/// <remarks>The left and top edges are inclusive. The right and bottom edges
/// are exclusive.</remarks>
public bool Contains(Point point)
{
return point.X >= Left && point.X < Right &&
point.Y >= Top && point.Y < Bottom;
}
/// <summary>
/// Tests whether this instance contains the specified Rectangle.
/// </summary>
/// <param name="point">The <see cref="Rectangle"/> to test.</param>
/// <returns>True if this instance contains rect; false otherwise.</returns>
/// <remarks>The left and top edges are inclusive. The right and bottom edges
/// are exclusive.</remarks>
public bool Contains(Rectangle rect)
{
return Contains(rect.Location) && Contains(rect.Location + rect.Size);
}
/// <summary>
/// Compares two instances for equality.
/// </summary>
/// <param name="left">The first instance.</param>
/// <param name="right">The second instance.</param>
/// <returns>True, if left is equal to right; false otherwise.</returns>
public static bool operator ==(Rectangle left, Rectangle right)
{
return left.Equals(right);
}
/// <summary>
/// Compares two instances for inequality.
/// </summary>
/// <param name="left">The first instance.</param>
/// <param name="right">The second instance.</param>
/// <returns>True, if left is not equal to right; false otherwise.</returns>
public static bool operator !=(Rectangle left, Rectangle right)
{
return !left.Equals(right);
}
/// <summary>
/// Converts an OpenTK.Rectangle instance to a System.Drawing.Rectangle.
/// </summary>
/// <param name="rect">
/// The <see cref="Rectangle"/> instance to convert.
/// </param>
/// <returns>
/// A <see cref="System.Drawing.Rectangle"/> instance equivalent to rect.
/// </returns>
public static implicit operator System.Drawing.Rectangle(Rectangle rect)
{
return new System.Drawing.Rectangle(rect.Location, rect.Size);
}
/// <summary>
/// Converts a System.Drawing.Rectangle instance to an OpenTK.Rectangle.
/// </summary>
/// <param name="rect">
/// The <see cref="System.Drawing.Rectangle"/> instance to convert.
/// </param>
/// <returns>
/// A <see cref="Rectangle"/> instance equivalent to point.
/// </returns>
public static implicit operator Rectangle(System.Drawing.Rectangle rect)
{
return new Rectangle(rect.Location, rect.Size);
}
/// <summary>
/// Converts an OpenTK.Rectangle instance to a System.Drawing.RectangleF.
/// </summary>
/// <param name="rect">
/// The <see cref="Rectangle"/> instance to convert.
/// </param>
/// <returns>
/// A <see cref="System.Drawing.RectangleF"/> instance equivalent to rect.
/// </returns>
public static implicit operator System.Drawing.RectangleF(Rectangle rect)
{
return new System.Drawing.RectangleF(rect.Location, rect.Size);
}
/// <summary>
/// Indicates whether this instance is equal to the specified object.
/// </summary>
/// <param name="other">The object instance to compare to.</param>
/// <returns>True, if both instances are equal; false otherwise.</returns>
public override bool Equals(object obj)
{
if (obj is Rectangle)
return Equals((Rectangle)obj);
return false;
}
/// <summary>
/// Returns the hash code for this instance.
/// </summary>
/// <returns>A <see cref="System.Int32" that represents the hash code for this instance./></returns>
public override int GetHashCode()
{
return Location.GetHashCode() & Size.GetHashCode();
}
/// <summary>
/// Returns a <see cref="System.String"/> that describes this instance.
/// </summary>
/// <returns>A <see cref="System.String"/> that describes this instance.</returns>
public override string ToString()
{
return String.Format("{{{0}, {1}}}-{{{2},{3}}}", Location, Size);
}
#endregion
#region IEquatable<Rectangle> Members
/// <summary>
/// Indicates whether this instance is equal to the specified Rectangle.
/// </summary>
/// <param name="other">The instance to compare to.</param>
/// <returns>True, if both instances are equal; false otherwise.</returns>
public bool Equals(Rectangle other)
{
return Location.Equals(other.Location) &&
@ -162,6 +314,4 @@ namespace OpenTK
#endregion
}
#endif
}

11
Source/OpenTK/Math/Size.cs
View file

@ -31,8 +31,9 @@ using System.Text;
namespace OpenTK
{
#if EXPERIMENTAL
/// <summary>
/// Stores the width and height of a rectangle.
/// </summary>
public struct Size : IEquatable<Size>
{
#region Fields
@ -44,11 +45,12 @@ namespace OpenTK
#region Constructors
/// <summary>
/// Constructs a new instance.
/// Constructs a new Size instance.
/// </summary>
/// <param name="width">The width of this instance.</param>
/// <param name="height">The height of this instance.</param>
public Size(int width, int height)
: this()
{
Width = width;
Height = height;
@ -215,7 +217,4 @@ namespace OpenTK
#endregion
}
#endif
}