ColorPaletteFetcherThing

using UnityEngine;
using System.Collections;
// For List
using System.Collections.Generic;

//
// To use, import a texture with the following settings:
// Texture Type = Advanced
// Read/Write Enabled = true
// Filter Mode = Point
// Format = ARGB 32 bit
// Don't forget to press Apply :)
//
// When creating the texture, I tested using a 32 bit png saved from Paint.NET
//
public class ColorFetcherScript : MonoBehaviour {

    // The texture we're going to read from
    public Texture2D textureToRead;
    // whether or not we want to prepend Alpha of 1.0 (for paint.net solid colors, yes we do)
    public bool prefixFF = true;

    // List of format <hex value (string)>
    private List<string> colorList;

    // Use this for initialization
    void Start(){

        if(!textureToRead){
            Debug.LogError("Cannot read texture!");
        }

        colorList = new List<string>();

        getColors();

    }

    private void getColors(){

        Color[] texColors = textureToRead.GetPixels();
        string tempHex = "";

        Debug.Log("Reading Colors...");

        for(int i = 0; i < texColors.Length; i++){

            tempHex = ((Color32)texColors[i]).r.ToString("X2") + ((Color32)texColors[i]).g.ToString("X2") + ((Color32)texColors[i]).b.ToString("X2");

            if(!colorList.Contains(tempHex)){
                //Debug.Log("Found new color: " + tempHex);
                if(prefixFF){
                    colorList.Add("FF" + tempHex);
                }else{
                    colorList.Add(tempHex);
                }
            }

        }

        Debug.Log("Done! Found " +colorList.Count+ " unique colors.");
        Debug.Log("=======PRINTING LIST========");

        string printedList = "";
        foreach(string s in colorList){
            printedList += s + "\n";
        }
        Debug.Log(printedList);

    }

}