Common/Gif/AnimatedGifEncoder.cs

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using System;
using System.Drawing;
using System.IO;

namespace ValidyCode
{
    public class AnimatedGifEncoder
    {
        protected int colorDepth;
        protected byte[] colorTab;
        protected int delay = 0;
        protected int dispose = -1;
        protected bool firstFrame = true;
        protected int height;
        protected Image image;
        protected byte[] indexedPixels;
        protected MemoryStream Memory;
        protected int palSize = 7;
        protected byte[] pixels;
        protected int repeat = -1;
        protected int sample = 10;
        protected bool sizeSet = false;
        protected bool started = false;
        protected int transIndex;
        protected Color transparent = Color.Empty;
        protected bool[] usedEntry = new bool[0x100];
        protected int width;

        public bool AddFrame(Image im)
        {
            if (!((im != null) && this.started))
            {
                return false;
            }
            bool flag3 = true;
            try
            {
                if (!this.sizeSet)
                {
                    this.SetSize(im.Width, im.Height);
                }
                this.image = im;
                this.GetImagePixels();
                this.AnalyzePixels();
                if (this.firstFrame)
                {
                    this.WriteLSD();
                    this.WritePalette();
                    if (this.repeat >= 0)
                    {
                        this.WriteNetscapeExt();
                    }
                }
                this.WriteGraphicCtrlExt();