// Andreas Nahr (ClassDevelopment@A-SoftTech.com)
// Dennis Hayes (dennish@raytek.com)
// Jordi Mas i Hernandez (jordi@ximian.com)
-// Sebastien Pouliot <sebastien@ximian.com>
//
// (C) 2002-4 Ximian, Inc. http://www.ximian.com
-// Copyright (C) 2004,2006 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
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
+using System;
using System.ComponentModel;
namespace System.Drawing.Imaging {
[TypeConverter (typeof (ImageFormatConverter))]
- public sealed class ImageFormat {
-
+ public sealed class ImageFormat
+ {
private Guid guid;
- private string name;
-
- private const string BmpGuid = "b96b3cab-0728-11d3-9d7b-0000f81ef32e";
- private const string EmfGuid = "b96b3cac-0728-11d3-9d7b-0000f81ef32e";
- private const string ExifGuid = "b96b3cb2-0728-11d3-9d7b-0000f81ef32e";
- private const string GifGuid = "b96b3cb0-0728-11d3-9d7b-0000f81ef32e";
- private const string TiffGuid = "b96b3cb1-0728-11d3-9d7b-0000f81ef32e";
- private const string PngGuid = "b96b3caf-0728-11d3-9d7b-0000f81ef32e";
- private const string MemoryBmpGuid = "b96b3caa-0728-11d3-9d7b-0000f81ef32e";
- private const string IconGuid = "b96b3cb5-0728-11d3-9d7b-0000f81ef32e";
- private const string JpegGuid = "b96b3cae-0728-11d3-9d7b-0000f81ef32e";
- private const string WmfGuid = "b96b3cad-0728-11d3-9d7b-0000f81ef32e";
-
- // lock(this) is bad
- // http://msdn.microsoft.com/library/en-us/dnaskdr/html/askgui06032003.asp?frame=true
- private static object locker = new object ();
-
- private static ImageFormat BmpImageFormat;
- private static ImageFormat EmfImageFormat;
- private static ImageFormat ExifImageFormat;
- private static ImageFormat GifImageFormat;
- private static ImageFormat TiffImageFormat;
- private static ImageFormat PngImageFormat;
- private static ImageFormat MemoryBmpImageFormat;
- private static ImageFormat IconImageFormat;
- private static ImageFormat JpegImageFormat;
- private static ImageFormat WmfImageFormat;
+ private static ImageFormat BmpImageFormat = new ImageFormat (new Guid ("b96b3cab-0728-11d3-9d7b-0000f81ef32e"));
+ private static ImageFormat EmfImageFormat = new ImageFormat (new Guid ("b96b3cac-0728-11d3-9d7b-0000f81ef32e"));
+ private static ImageFormat ExifImageFormat = new ImageFormat (new Guid ("b96b3cb2-0728-11d3-9d7b-0000f81ef32e"));
+ private static ImageFormat GifImageFormat = new ImageFormat (new Guid ("b96b3cb0-0728-11d3-9d7b-0000f81ef32e"));
+ private static ImageFormat TiffImageFormat = new ImageFormat (new Guid ("b96b3cb1-0728-11d3-9d7b-0000f81ef32e"));
+ private static ImageFormat PngImageFormat = new ImageFormat(new Guid("b96b3caf-0728-11d3-9d7b-0000f81ef32e"));
+ private static ImageFormat MemoryBmpImageFormat = new ImageFormat (new Guid ("b96b3caa-0728-11d3-9d7b-0000f81ef32e"));
+ private static ImageFormat IconImageFormat = new ImageFormat (new Guid ("b96b3cb5-0728-11d3-9d7b-0000f81ef32e"));
+ private static ImageFormat JpegImageFormat = new ImageFormat(new Guid("b96b3cae-0728-11d3-9d7b-0000f81ef32e"));
+ private static ImageFormat WmfImageFormat = new ImageFormat (new Guid ("b96b3cad-0728-11d3-9d7b-0000f81ef32e"));
// constructors
- public ImageFormat (Guid guid)
+ public ImageFormat (Guid guid)
{
- this.name = null;
this.guid = guid;
}
-
- private ImageFormat (string name, string guid)
- {
- this.name = name;
- this.guid = new Guid (guid);
- }
// methods
- public override bool Equals (object o)
- {
- ImageFormat f = (o as ImageFormat);
- if (f == null)
- return false;
+ public override bool Equals(object o) {
+
+ if (o is ImageFormat)
+ if ( ((ImageFormat)o).Guid.Equals(this.Guid))
+ return true;
+ return false;
- return f.Guid.Equals (guid);
}
- public override int GetHashCode ()
- {
- return guid.GetHashCode ();
- }
-
-
- public override string ToString ()
+ public override int GetHashCode()
{
- if (name != null)
- return name;
+ return guid.GetHashCode();
+ }
+
+
+ public override string ToString()
+ {
+ if (Guid.Equals (Bmp.Guid))
+ return "Bmp";
+
+ if (Guid.Equals (Emf.Guid))
+ return "Emf";
+
+ if (Guid.Equals (Gif.Guid))
+ return "Gif";
+
+ if (Guid.Equals (Jpeg.Guid))
+ return "Jpeg";
+
+ if (Guid.Equals (MemoryBmp.Guid))
+ return "MemoryBmp";
+
+ if (Guid.Equals (Png.Guid))
+ return "Png";
+
+ if (Guid.Equals (Tiff.Guid))
+ return "Tiff";
+
+ if (Guid.Equals (Wmf.Guid))
+ return "Wmf";
+
+ // Default
+ return guid.ToString ();
- return ("[ImageFormat: " + guid.ToString () + "]");
}
// properties
- public Guid Guid {
+ public Guid Guid
+ {
get { return guid; }
}
- public static ImageFormat Bmp {
- get {
- lock (locker) {
- if (BmpImageFormat == null)
- BmpImageFormat = new ImageFormat ("Bmp", BmpGuid);
- return BmpImageFormat;
- }
- }
+ public static ImageFormat Bmp
+ {
+ get { return BmpImageFormat; }
}
- public static ImageFormat Emf {
- get {
- lock (locker) {
- if (EmfImageFormat == null)
- EmfImageFormat = new ImageFormat ("Emf", EmfGuid);
- return EmfImageFormat;
- }
- }
+
+ public static ImageFormat Emf
+ {
+ get { return EmfImageFormat; }
}
- public static ImageFormat Exif {
- get {
- lock (locker) {
- if (ExifImageFormat == null)
- ExifImageFormat = new ImageFormat ("Exif", ExifGuid);
- return ExifImageFormat;
- }
- }
+ public static ImageFormat Exif
+ {
+ get { return ExifImageFormat; }
}
- public static ImageFormat Gif {
- get {
- lock (locker) {
- if (GifImageFormat == null)
- GifImageFormat = new ImageFormat ("Gif", GifGuid);
- return GifImageFormat;
- }
- }
+ public static ImageFormat Gif
+ {
+ get { return GifImageFormat; }
}
- public static ImageFormat Icon {
- get {
- lock (locker) {
- if (IconImageFormat == null)
- IconImageFormat = new ImageFormat ("Icon", IconGuid);
- return IconImageFormat;
- }
- }
+ public static ImageFormat Icon
+ {
+ get { return IconImageFormat; }
}
- public static ImageFormat Jpeg {
- get {
- lock (locker) {
- if (JpegImageFormat == null)
- JpegImageFormat = new ImageFormat ("Jpeg", JpegGuid);
- return JpegImageFormat;
- }
- }
+ public static ImageFormat Jpeg
+ {
+ get { return JpegImageFormat; }
}
- public static ImageFormat MemoryBmp {
- get {
- lock (locker) {
- if (MemoryBmpImageFormat == null)
- MemoryBmpImageFormat = new ImageFormat ("MemoryBMP", MemoryBmpGuid);
- return MemoryBmpImageFormat;
- }
- }
+ public static ImageFormat MemoryBmp
+ {
+ get { return MemoryBmpImageFormat; }
}
- public static ImageFormat Png {
- get {
- lock (locker) {
- if (PngImageFormat == null)
- PngImageFormat = new ImageFormat ("Png", PngGuid);
- return PngImageFormat;
- }
- }
+ public static ImageFormat Png
+ {
+ get { return PngImageFormat; }
}
- public static ImageFormat Tiff {
- get {
- lock (locker) {
- if (TiffImageFormat == null)
- TiffImageFormat = new ImageFormat ("Tiff", TiffGuid);
- return TiffImageFormat;
- }
- }
+ public static ImageFormat Tiff
+ {
+ get { return TiffImageFormat; }
}
- public static ImageFormat Wmf {
- get {
- lock (locker) {
- if (WmfImageFormat == null)
- WmfImageFormat = new ImageFormat ("Wmf", WmfGuid);
- return WmfImageFormat;
- }
- }
+ public static ImageFormat Wmf
+ {
+ get { return WmfImageFormat; }
}
+
}
+
}