public IEnumerable<MouseDragAction> GetDrawInstructions(List<ColorSpot> colorPalette, IDictionary<string, string> settings = null, IBrushChanger brushChanger = null)
{
if (colorPalette.All(c => c.Color.R + c.Color.G + c.Color.B != 0))
{
throw new ArgumentException("I need a black color in the palette!");
}
var selectedColor = colorPalette.First(c => c.Color.R + c.Color.G + c.Color.B == 0);
if (settings == null)
{
settings = new Dictionary<string, string>();
}
var args = new PixelAcceptanceArgs
{
MaxLight = settings.GetIntValueOrDefault("MaxLight", 700),
BlueEnabled = settings.GetBoolValueOrDefault("BlueEnabled", false),
BlueMax = settings.GetIntValueOrDefault("BlueMax", 255),
BlueMin = settings.GetIntValueOrDefault("BlueMin", 0),
GreenEnabled = settings.GetBoolValueOrDefault("GreenEnabled", false),
GreenMax = settings.GetIntValueOrDefault("GreenMax", 255),
GreenMin = settings.GetIntValueOrDefault("GreenMin", 0),
RedEnabled = settings.GetBoolValueOrDefault("RedEnabled", false),
RedMin = settings.GetIntValueOrDefault("RedMin", 0),
RedMax = settings.GetIntValueOrDefault("RedMax", 255)
};
if (String.IsNullOrEmpty(_bitmapPath))
{
return null;
}
var output = new List<MouseDragAction>
{
new MouseDragAction(new List<Point> { selectedColor.Point }, true, selectedColor.Color)
};
using (var bitmap = new Bitmap(_bitmapPath))
{
var currentAction = new List<Point>();
bitmap.LoopThroughPixels((point, color) =>
{
if (!pixelFits(color.R, color.G, color.B, args))
{
return;
}
if (currentAction.Any() && !currentAction.Last().IsANeighborOf(point))
{
output.Add(new MouseDragAction(currentAction));
currentAction = new List<Point>();
}
currentAction.Add(point);
});
}
return output.ToArray();
}
private static bool pixelFits(int red, int green, int blue, PixelAcceptanceArgs args)
{
if (args.RedEnabled && (red < args.RedMin || red > args.RedMax))
{
return false;
}
if (args.GreenEnabled && (green < args.GreenMin || green > args.GreenMax))
{
return false;
}
if (args.BlueEnabled && (blue < args.BlueMin || blue > args.BlueMax))
{
return false;
}
return red + green + blue <= args.MaxLight;
}
