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Diffstat (limited to 'mcs/class/System.Drawing/System.Drawing/SizeF.cs')
| -rw-r--r-- | mcs/class/System.Drawing/System.Drawing/SizeF.cs | 312 |
1 files changed, 312 insertions, 0 deletions
diff --git a/mcs/class/System.Drawing/System.Drawing/SizeF.cs b/mcs/class/System.Drawing/System.Drawing/SizeF.cs new file mode 100644 index 00000000000..1737ae64bac --- /dev/null +++ b/mcs/class/System.Drawing/System.Drawing/SizeF.cs @@ -0,0 +1,312 @@ +// +// System.Drawing.SizeF.cs +// +// Author: +// Mike Kestner (mkestner@speakeasy.net) +// +// Copyright (C) 2001 Mike Kestner +// Copyright (C) 2004 Novell, Inc. http://www.novell.com +// + +// +// Copyright (C) 2004 Novell, Inc (http://www.novell.com) +// +// Permission is hereby granted, free of charge, to any person obtaining +// a copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to +// permit persons to whom the Software is furnished to do so, subject to +// the following conditions: +// +// The above copyright notice and this permission notice shall be +// included in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +// + +using System; +using System.Globalization; +using System.Runtime.InteropServices; +using System.ComponentModel; + +namespace System.Drawing +{ + [Serializable] + [ComVisible (true)] +#if NET_2_0 + [TypeConverter (typeof (SizeFConverter))] +#endif + public struct SizeF + { + // Private height and width fields. + private float wd, ht; + + // ----------------------- + // Public Shared Members + // ----------------------- + + /// <summary> + /// Empty Shared Field + /// </summary> + /// + /// <remarks> + /// An uninitialized SizeF Structure. + /// </remarks> + + public static readonly SizeF Empty; + + /// <summary> + /// Addition Operator + /// </summary> + /// + /// <remarks> + /// Addition of two SizeF structures. + /// </remarks> + + public static SizeF operator + (SizeF sz1, SizeF sz2) + { + return new SizeF (sz1.Width + sz2.Width, + sz1.Height + sz2.Height); + } + + /// <summary> + /// Equality Operator + /// </summary> + /// + /// <remarks> + /// Compares two SizeF objects. The return value is + /// based on the equivalence of the Width and Height + /// properties of the two Sizes. + /// </remarks> + + public static bool operator == (SizeF sz_a, SizeF sz_b) + { + return ((sz_a.Width == sz_b.Width) && + (sz_a.Height == sz_b.Height)); + } + + /// <summary> + /// Inequality Operator + /// </summary> + /// + /// <remarks> + /// Compares two SizeF objects. The return value is + /// based on the equivalence of the Width and Height + /// properties of the two Sizes. + /// </remarks> + + public static bool operator != (SizeF sz_a, SizeF sz_b) + { + return ((sz_a.Width != sz_b.Width) || + (sz_a.Height != sz_b.Height)); + } + + /// <summary> + /// Subtraction Operator + /// </summary> + /// + /// <remarks> + /// Subtracts two SizeF structures. + /// </remarks> + + public static SizeF operator - (SizeF sz1, SizeF sz2) + { + return new SizeF (sz1.Width - sz2.Width, + sz1.Height - sz2.Height); + } + + /// <summary> + /// SizeF to PointF Conversion + /// </summary> + /// + /// <remarks> + /// Returns a PointF based on the dimensions of a given + /// SizeF. Requires explicit cast. + /// </remarks> + + public static explicit operator PointF (SizeF sz) + { + return new PointF (sz.Width, sz.Height); + } + + + // ----------------------- + // Public Constructors + // ----------------------- + + /// <summary> + /// SizeF Constructor + /// </summary> + /// + /// <remarks> + /// Creates a SizeF from a PointF value. + /// </remarks> + + public SizeF (PointF pt) + { + wd = pt.X; + ht = pt.Y; + } + + /// <summary> + /// SizeF Constructor + /// </summary> + /// + /// <remarks> + /// Creates a SizeF from an existing SizeF value. + /// </remarks> + + public SizeF (SizeF sz) + { + wd = sz.Width; + ht = sz.Height; + } + + /// <summary> + /// SizeF Constructor + /// </summary> + /// + /// <remarks> + /// Creates a SizeF from specified dimensions. + /// </remarks> + + public SizeF (float width, float height) + { + wd = width; + ht = height; + } + + // ----------------------- + // Public Instance Members + // ----------------------- + + /// <summary> + /// IsEmpty Property + /// </summary> + /// + /// <remarks> + /// Indicates if both Width and Height are zero. + /// </remarks> + + [Browsable (false)] + public bool IsEmpty { + get { + return ((wd == 0.0) && (ht == 0.0)); + } + } + + /// <summary> + /// Width Property + /// </summary> + /// + /// <remarks> + /// The Width coordinate of the SizeF. + /// </remarks> + + public float Width { + get { + return wd; + } + set { + wd = value; + } + } + + /// <summary> + /// Height Property + /// </summary> + /// + /// <remarks> + /// The Height coordinate of the SizeF. + /// </remarks> + + public float Height { + get { + return ht; + } + set { + ht = value; + } + } + + /// <summary> + /// Equals Method + /// </summary> + /// + /// <remarks> + /// Checks equivalence of this SizeF and another object. + /// </remarks> + + public override bool Equals (object o) + { + if (!(o is SizeF)) + return false; + + return (this == (SizeF) o); + } + + /// <summary> + /// GetHashCode Method + /// </summary> + /// + /// <remarks> + /// Calculates a hashing value. + /// </remarks> + + public override int GetHashCode () + { + return (int) wd ^ (int) ht; + } + + public PointF ToPointF () + { + return new PointF (wd, ht); + } + + public Size ToSize () + { + int w, h; + checked { + w = (int) wd; + h = (int) ht; + } + + return new Size (w, h); + } + + /// <summary> + /// ToString Method + /// </summary> + /// + /// <remarks> + /// Formats the SizeF as a string in coordinate notation. + /// </remarks> + + public override string ToString () + { + return string.Format ("{{Width={0}, Height={1}}}", wd.ToString (CultureInfo.CurrentCulture), + ht.ToString (CultureInfo.CurrentCulture)); + } + +#if NET_2_0 + public static SizeF Add (SizeF sz1, SizeF sz2) + { + return new SizeF (sz1.Width + sz2.Width, + sz1.Height + sz2.Height); + } + + public static SizeF Subtract (SizeF sz1, SizeF sz2) + { + return new SizeF (sz1.Width - sz2.Width, + sz1.Height - sz2.Height); + } +#endif + } +} |