protected void AnalyzePixels()
        {
            int length = this.pixels.Length;
            int num2   = length / 3;

            this.indexedPixels = new byte[num2];
            NeuQuant quant = new NeuQuant(this.pixels, length, this.sample);

            this.colorTab = quant.Process();
            int num3 = 0;

            for (int i = 0; i < num2; i++)
            {
                int index = quant.Map(this.pixels[num3++] & 0xff, this.pixels[num3++] & 0xff, this.pixels[num3++] & 0xff);
                this.usedEntry[index] = true;
                this.indexedPixels[i] = (byte)index;
            }
            this.pixels     = null;
            this.colorDepth = 8;
            this.palSize    = 7;
            if (this.transparent != Color.Empty)
            {
                this.transIndex = this.FindClosest(this.transparent);
            }
        }
 protected void AnalyzePixels()
 {
     int length = this.pixels.Length;
     int num2 = length / 3;
     this.indexedPixels = new byte[num2];
     NeuQuant quant = new NeuQuant(this.pixels, length, this.sample);
     this.colorTab = quant.Process();
     int num3 = 0;
     for (int i = 0; i < num2; i++)
     {
         int index = quant.Map(this.pixels[num3++] & 0xff, this.pixels[num3++] & 0xff, this.pixels[num3++] & 0xff);
         this.usedEntry[index] = true;
         this.indexedPixels[i] = (byte) index;
     }
     this.pixels = null;
     this.colorDepth = 8;
     this.palSize = 7;
     if (this.transparent != Color.Empty)
     {
         this.transIndex = this.FindClosest(this.transparent);
     }
 }