/// <summary>
/// Draws a colored line by connecting two points using a DDA algorithm (Digital Differential Analyzer).
/// </summary>
/// <param name="bmp">The WriteableBitmap.</param>
/// <param name="x1">The x-coordinate of the start point.</param>
/// <param name="y1">The y-coordinate of the start point.</param>
/// <param name="x2">The x-coordinate of the end point.</param>
/// <param name="y2">The y-coordinate of the end point.</param>
/// <param name="color">The color for the line.</param>
/// <param name="clipRect">The region in the image to restrict drawing to.</param>
public static void DrawLineDDA(this BitmapBuffer bmp, int x1, int y1, int x2, int y2, ColorInt color, RectD?clipRect = null)
{
bmp.DrawLineDDA(x1, y1, x2, y2, color.ToPreMultAlphaColor(), clipRect);
}