ScreenToGif/ImageUtil/Encoder/GifFile.cs

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using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Windows;
using ScreenToGif.Util;
using Color = System.Windows.Media.Color;

namespace ScreenToGif.ImageUtil.Encoder
{
    //To test with: C:\Perl64\bin\perl C:\Users\Nicke\Desktop\DoctorGif.pl C:\Users\Nicke\Desktop\aaa.gif
    //C:\Perl64\bin\perl C:\Users\Nicke\Desktop\DoctorGif.pl -verbose -debug "C:\Users\Nicke\Desktop\aaa.gif"
    //http://www.interglacial.com/~sburke/pub/daktari_gif.html

    /// <summary>
    /// New gif encoder. Made by Nicke Manarin. Still slow and with no color quantization. :/
    /// </summary>
    public class GifFile : IDisposable
    {
        #region Properties

        /// <summary>
        /// Repeat Count for the gif.
        /// </summary>
        public int RepeatCount { get; set; } = 0;

        /// <summary>
        /// The color marked as transparent. Null if not in use.
        /// </summary>
        public Color? TransparentColor { get; set; }

        /// <summary>
        /// The maximum number of colors of each frame of the gif.
        /// </summary>
        public int MaximumNumberColor { get; set; } = 256;

        /// <summary>
        /// True if the gif should use a global color table instead of a local one.
        /// </summary>
        public bool UseGlobalColorTable { get; set; } = false;

        /// <summary>
        /// The stream which the gif is writen on.
        /// </summary>
        private Stream InternalStream { get; set; }

        /// <summary>
        /// True if it's the first frame of the gif.
        /// </summary>
        private bool IsFirstFrame { get; set; } = true;

        /// <summary>
        /// The full size rect of the gif.
        /// </summary>
        private Int32Rect FullSize { get; set; }

        /// <summary>
        /// The list of non indexed pixels colors.
        /// </summary>