1 files changed, 131 insertions, 0 deletions
diff --git a/Wrapper/FreeImage.NET/cs/Library/Classes/GifInformation.cs b/Wrapper/FreeImage.NET/cs/Library/Classes/GifInformation.cs
new file mode 100644
index 0000000..a2deb13
--- /dev/null
+++ b/Wrapper/FreeImage.NET/cs/Library/Classes/GifInformation.cs
@@ -0,0 +1,131 @@
+using System;
+using System.Diagnostics;
+using System.Drawing;
+
+namespace FreeImageAPI.Metadata
+{
+	/// <summary>
+	/// Provides additional information specific for GIF files. This class cannot be inherited.
+	/// </summary>
+	public class GifInformation : MDM_ANIMATION
+	{
+		/// <summary>
+		/// Initializes a new instance of the <see cref="GifInformation"/> class
+		/// with the specified <see cref="FreeImageBitmap"/>.
+		/// </summary>
+		/// <param name="bitmap">A reference to a <see cref="FreeImageBitmap"/> instance.</param>
+		public GifInformation(FreeImageBitmap bitmap)
+			: base(bitmap.Dib)
+		{
+		}
+
+		/// <summary>
+		/// Gets or sets a value indicating whether this frame uses the
+		/// GIF image's global palette. If set to <b>false</b>, this
+		/// frame uses its local palette.
+		/// </summary>
+		/// <remarks>
+		/// <b>Handling of null values</b><para/>
+		/// A null value indicates, that the corresponding metadata tag is not
+		/// present in the metadata model.
+		/// Setting this property's value to a non-null reference creates the
+		/// metadata tag if necessary.
+		/// Setting this property's value to a null reference deletes the
+		/// metadata tag from the metadata model.
+		/// </remarks>
+		public bool? UseGlobalPalette
+		{
+			get
+			{
+				byte? useGlobalPalette = GetTagValue<byte>("NoLocalPalette");
+				return useGlobalPalette.HasValue ? (useGlobalPalette.Value != 0) : default(bool?);
+			}
+			set
+			{
+				byte? val = null;
+				if (value.HasValue)
+				{
+					val = (byte)(value.Value ? 1 : 0);
+				}
+				SetTagValue("NoLocalPalette", val);
+			}
+		}
+
+		/// <summary>
+		/// Creates a global palette for the GIF image, intialized with all entries of the
+		/// current local palette.
+		/// The property <see cref="UseGlobalPalette"/> will be set to <b>true</b> when
+		/// invoking this method. This effectively enables the newly created global palette.
+		/// </summary>
+		/// <exception cref="InvalidOperationException">
+		/// The image does not have a palette.
+		/// </exception>
+		public void CreateGlobalPalette()
+		{
+			CreateGlobalPalette(new Palette(dib));
+		}
+
+		/// <summary>
+		/// Creates a global palette for the GIF image with the specified size, intialized
+		/// with the first <paramref name="size"/> entries of the current local palette.
+		/// The property <see cref="UseGlobalPalette"/> will be set to <b>true</b> when
+		/// invoking this method. This effectively enables the newly created global palette.
+		/// </summary>
+		/// <param name="size">The size of the newly created global palette.</param>
+		/// <exception cref="ArgumentNullException">
+		/// <paramref name="palette"/> is a null reference.</exception>
+		public void CreateGlobalPalette(int size)
+		{
+			CreateGlobalPalette(new Palette(dib), size);
+		}
+
+		/// <summary>
+		/// Creates a global palette for the GIF image, intialized with the entries
+		/// of the specified palette.
+		/// The property <see cref="UseGlobalPalette"/> will be set to <b>true</b> when
+		/// invoking this method. This effectively enables the newly created global palette.
+		/// </summary>
+		/// <param name="palette">The palette that contains the initial values for
+		/// the newly created global palette.</param>
+		/// <exception cref="ArgumentNullException">
+		/// <paramref name="palette"/> is a null reference.</exception>
+		public void CreateGlobalPalette(Palette palette)
+		{
+			if (palette == null)
+			{
+				throw new ArgumentNullException("palette");
+			}
+
+			GlobalPalette = palette;
+			UseGlobalPalette = true;
+		}
+
+		/// <summary>
+		/// Creates a global palette for the GIF image with the specified size, intialized
+		/// with the first <paramref name="size"/> entries of the specified palette.
+		/// The property <see cref="UseGlobalPalette"/> will be set to <b>true</b> when
+		/// invoking this method. This effectively enables the newly created global palette.
+		/// </summary>
+		/// <param name="palette">The palette that contains the initial values for
+		/// the newly created global palette.</param>
+		/// <param name="size">The size of the newly created global palette.</param>
+		/// <exception cref="ArgumentNullException">
+		/// <paramref name="palette"/> is a null reference.</exception>
+		public void CreateGlobalPalette(Palette palette, int size)
+		{
+			if (palette == null)
+			{
+				throw new ArgumentNullException("palette");
+			}
+			if (size <= 0)
+			{
+				throw new ArgumentOutOfRangeException("size");
+			}
+
+			Palette pal = new Palette(size);
+			pal.CopyFrom(palette);
+			GlobalPalette = palette;
+			UseGlobalPalette = true;
+		}
+	}
+}
+\ No newline at end of file