screenBuffer.GetFromDrawable(rootWindow,

			rootWindow.Colormap, 0, 0, 0, 0, screenWidth, screenHeight);

		int stride = screenBuffer.Rowstride;

		byte* pixBytes = (byte*)screenBuffer.Pixels;

		for (int x = 0; x < screenWidth - colorBarWidth; ++x)

		{

			for (int y = 0; y < (screenHeight - 53); ++y)

			{

				// Look for the color swatch.

				pixelStart = (y * stride) + (x * 3);

				r = pixBytes[pixelStart];

				g = pixBytes[pixelStart + 1];

				b = pixBytes[pixelStart + 2];

				// 1.) Check if this is a dark pixel.

				{

					// 2.) Check the pixel above it,

					// to see if it's from the papy texture.

					otherPixelStart = pixelStart - stride;

					if ((otherPixelStart >= 0) &&

					    IsPapyTexture(pixBytes[otherPixelStart++],

					                   pixBytes[otherPixelStart++],

					                   pixBytes[otherPixelStart]))

					{

						// 3.) Check the pixel below where the swatch should be,

						// to see if it's also from the papy texture.

						otherPixelStart = pixelStart + (stride * swatchHeight);

						if (IsPapyTexture(pixBytes[otherPixelStart++],

					                   pixBytes[otherPixelStart++],

					                   pixBytes[otherPixelStart]))

						{

								otherPixelStart = pixelStart + (stride * i);

								if ((Math.Abs(r - pixBytes[otherPixelStart++]) > colorTolerance) ||

								    (Math.Abs(g - pixBytes[otherPixelStart++]) > colorTolerance) ||

								    (Math.Abs(b - pixBytes[otherPixelStart]) > colorTolerance))

								{

									colorMatch = false;

									break;

								}

							}

							if (colorMatch)

							{

								// WE FOUND THE SWATCH!

								// Now we know where the color bars are.

								otherPixelStart = pixelStart + (redBarSpacing * stride);

								int pixelCount = 0;

								{

									pixelCount++;

									// pixBytes[otherPixelStart] = 0x00;

									// pixBytes[otherPixelStart + 1] = 0xFF;

									// pixBytes[otherPixelStart + 2] = 0xFF;

									otherPixelStart += 3;

								}

								reactedColor.Red = (byte)Math.Round((float)pixelCount * 255f / (float)colorBarWidth);

								otherPixelStart = pixelStart + (greenBarSpacing * stride);

								pixelCount = 0;		

								{

									pixelCount++;

									// pixBytes[otherPixelStart] = 0x00;

									// pixBytes[otherPixelStart + 1] = 0xFF;

									// pixBytes[otherPixelStart + 2] = 0xFF;

									otherPixelStart += 3;

								}

								reactedColor.Green = (byte)Math.Round((float)pixelCount * 255f / (float)colorBarWidth);

								otherPixelStart = pixelStart + (blueBarSpacing * stride);

								pixelCount = 0;

								{

									pixelCount++;

									// pixBytes[otherPixelStart] = 0x00;

									// pixBytes[otherPixelStart + 1] = 0xFF;

									// pixBytes[otherPixelStart + 2] = 0xFF;

									otherPixelStart += 3;

								}

								reactedColor.Blue = (byte)Math.Round((float)pixelCount * 255f / (float)colorBarWidth);

								// screenBuffer.Save("screenshot.png", "png");

								return true;

							}

						}					

					}

		{

			string warning = "";

			if (reactedColor.Red == 0)

			{

				warning = warning + "\nRed is too low.";

			}

			if (reactedColor.Green == 0)

			{

				warning = warning + "\nGreen is too low.";	

			}

			if (reactedColor.Blue == 0)

			{

				warning = warning + "\nBlue is too low.";	

			}

			if (reactedColor.Red == 255)

			{

			}

			if (reactedColor.Green == 255)

			{

			}

			if (reactedColor.Blue == 255)

			{

			}

			if (warning.Length != 0)

			{

				MessageDialog md = new MessageDialog(this, 

	            DialogFlags.DestroyWithParent,

	            MessageType.Error, ButtonsType.Ok, 

	            "Reaction clipped.  You will need to do a " +

	            "3-way reaction to test this pair.  Details: " +

	            warning);

				md.Run();			

				md.Destroy();

			}

			else

			{

* Supports multiple character profiles.

* Can export to [PracticalPaint](http://www.atitd.org/wiki/tale6/File:PracticalPaint.zip) data format.

* Includes simulator for experimenting with recipes without spending ingredients.

## Tale 7

This application has been updated for Tale 7.  The current version is a **RELEASE CANDIDATE**.  It may be buggy.

If you find any problems with it, please [open an issue](https://bitbucket.org/Malkyne/desert-paint-lab/issues) or /chat Afrah

in the game.

## Directions

### Download Desert Paint Lab

You can always find the available downloads, on [the download page](https://bitbucket.org/Malkyne/desert-paint-lab/downloads).

This application should run under Mono on Mac, Linux, and Windows.  If you are on Windows,

and do not have Mono installed, you can install [GTK# for .NET](http://www.mono-project.com/download/#download-win),

without the need for installing Mono.

### Set Up a Profile

The first time you run Desert Paint Lab, it will prompt you to make a profile.  You may either create a new profile, or import an existing PracticalPaint reactions.txt file.

### Start Testing!

Add two ingredients to your paint bench.  Select those same ingredients in Desert Paint Lab.  Then, with the Pigment Lab dialog unobstructred, select the **Capture** button.  Once you are satisfied with the result, click the **Record** button.  The data will automatically be added to your profile.

### Clipped?  Huh?

Occasionally, you will see a warning dialog that informs you that a "Reaction clipped."  That means that one or more of the color components moved outside of the testable range.  This makes it impossible to calculate the reaction from these two ingredients.