public void FloodArea(int x, int y, Color colorToSet, Color colorClickedOn)
{
Dictionary <Tuple <int, int>, bool> PosDone = new Dictionary <Tuple <int, int>, bool>();
Queue <Pixel> PixelStack = new Queue <Pixel>();
PixelStack.Enqueue(new Pixel()
{
Color = colorClickedOn, X = x, Y = y
});
while (PixelStack.Count > 0)
{
var pixel = PixelStack.Dequeue();
x = pixel.X;
y = pixel.Y;
var key = new Tuple <int, int>(x, y);
if (x < 0 || y < 0 || y > DrawingImageHeight - 1 || x > DrawingImageWidth - 1 || PosDone.ContainsKey(key))
{
continue;
}
PosDone[key] = true;
var color = UnlockedBitmap.GetPixel(x, y); // DrawingImage.GetPixel(x, y);
if (color.A == 0)
{
color = Color.Transparent;
}
if (color == colorClickedOn)
{
UnlockedBitmap.SetPixel(x, y, colorToSet);
}
else
{
continue;
}
PixelStack.Enqueue(new Pixel()
{
Color = color, X = x - 1, Y = y
});
PixelStack.Enqueue(new Pixel()
{
Color = color, X = x, Y = y - 1
});
PixelStack.Enqueue(new Pixel()
{
Color = color, X = x, Y = y + 1
});
PixelStack.Enqueue(new Pixel()
{
Color = color, X = x + 1, Y = y
});
}
}
public void DrawPixel(int X, int Y, MouseButtons button, bool DelayRefresh = false)
{
Color foreColor = GetCurrentColor(button);
var scale = (decimal)(Zoom / 100.0f);
var x = (int)(X / scale);
var y = (int)(Y / scale);
if (x < 0)
{
x = 0;
}
if (y < 0)
{
y = 0;
}
if (x >= DrawingImageWidth)
{
x = DrawingImageWidth - 1;
}
if (y >= DrawingImageHeight)
{
y = DrawingImageHeight - 1;
}
if (ColorModeActive == ColorMode.Blend && ((OpacityPen != 0 && OpacityPen != 255) || (foreColor.A != 0 && foreColor.A != 255)))
{
var ColorA = (foreColor.A != 0 && foreColor.A != 255) ? foreColor : Color.FromArgb(OpacityPen, foreColor);
var ColorB = UnlockedBitmap.GetPixel(x, y);
if (ColorB == Color.Transparent || ColorB == NoColor)
{
UnlockedBitmap.SetPixel(x, y, ColorA);
}
else
{
UnlockedBitmap.SetPixel(x, y, Merge(x, y, ColorA, ColorB));
}
}
else
{
if (OpacityPen != 255)
{
UnlockedBitmap.SetPixel(x, y, Color.FromArgb(OpacityPen, foreColor));
}
else
{
UnlockedBitmap.SetPixel(x, y, foreColor);
}
}
if (!DelayRefresh)
{
fastDraw1.Refresh();
}
}