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//
// DependencyPropertyChangedEventArgs.cs
//
// Author:
// Chris Toshok (toshok@ximian.com)
//
// (C) 2007 Novell, Inc.
//
// 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.ComponentModel;
using System.Globalization;
using System.Windows.Converters;
using System.Windows.Markup;
namespace System.Windows {
[Serializable]
[TypeConverter (typeof(Int32RectConverter))]
[ValueSerializer (typeof(Int32RectValueSerializer))]
public struct Int32Rect : IFormattable
{
int _x, _y, _width, _height;
public Int32Rect (int x, int y, int width, int height)
{
this._x = x;
this._y = y;
this._width = width;
this._height = height;
}
public static bool operator != (Int32Rect int32Rect1, Int32Rect int32Rect2)
{
return !int32Rect1.Equals(int32Rect2);
}
public static bool operator == (Int32Rect int32Rect1, Int32Rect int32Rect2)
{
return int32Rect1.Equals(int32Rect2);
}
public static Int32Rect Empty {
get { return new Int32Rect (0, 0, 0, 0); }
}
public int Height {
get { return _height; }
set { _height = value; }
}
public bool IsEmpty {
get { return _width == 0 && _height == 0; }
}
public int Width {
get { return _width; }
set { _width = value; }
}
public int X {
get { return _x; }
set { _x = value; }
}
public int Y {
get { return _y; }
set { _y = value; }
}
public bool Equals (Int32Rect value)
{
return (_x == value._x &&
_y == value._y &&
_width == value._width &&
_height == value._height);
}
public override bool Equals (object o)
{
if (!(o is Int32Rect))
return false;
return Equals ((Int32Rect)o);
}
public static bool Equals (Int32Rect int32Rect1, Int32Rect int32Rect2)
{
return int32Rect1.Equals (int32Rect2);
}
public override int GetHashCode ()
{
unchecked
{
var hashCode = _x;
hashCode = (hashCode * 397) ^ _y;
hashCode = (hashCode * 397) ^ _width;
hashCode = (hashCode * 397) ^ _height;
return hashCode;
}
}
public static Int32Rect Parse (string source)
{
if (source == null)
throw new ArgumentNullException ("source");
Int32Rect value;
if (source.Trim () == "Empty")
{
value = Empty;
}
else
{
var tokenizer = new NumericListTokenizer (source, CultureInfo.InvariantCulture);
int x;
int y;
int width;
int height;
if (int.TryParse (tokenizer.GetNextToken (), NumberStyles.Integer, CultureInfo.InvariantCulture, out x)
&& int.TryParse (tokenizer.GetNextToken (), NumberStyles.Integer, CultureInfo.InvariantCulture, out y)
&& int.TryParse (tokenizer.GetNextToken (), NumberStyles.Integer, CultureInfo.InvariantCulture, out width)
&& int.TryParse (tokenizer.GetNextToken (), NumberStyles.Integer, CultureInfo.InvariantCulture, out height))
{
if (!tokenizer.HasNoMoreTokens ())
{
throw new InvalidOperationException ("Invalid Int32Rect format: " + source);
}
value = new Int32Rect (x, y, width, height);
}
else
{
throw new FormatException (string.Format ("Invalid Int32Rect format: {0}", source));
}
}
return value;
}
public override string ToString ()
{
return ToString (null);
}
public string ToString (IFormatProvider provider)
{
return ToString (null, provider);
}
string IFormattable.ToString (string format, IFormatProvider provider)
{
return ToString (provider);
}
private string ToString (string format, IFormatProvider provider)
{
if (IsEmpty)
return "Empty";
if (provider == null)
provider = CultureInfo.CurrentCulture;
if (format == null)
format = string.Empty;
var separator = NumericListTokenizer.GetSeparator (provider);
var rectFormat = string.Format (
"{{0:{0}}}{1}{{1:{0}}}{1}{{2:{0}}}{1}{{3:{0}}}",
format, separator);
return string.Format (provider, rectFormat,
_x, _y, _width, _height);
}
}
}
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