/// <summary>
/// Gets Color at pixel location of BitmapSource
/// <remarks>This is an extension method provided by <seealso cref="BitmapEx"/></remarks>
/// </summary>
public static Color GetPixelColorAt(this BitmapSource bitmap, int x, int y)
{
int index = ((y - 1) * bitmap.PixelWidth) + x;
var pixels = bitmap.GetPixels();
var color = GetPixelColor(index, pixels);
return(color);
}
/// <summary>
/// Checks if the BitmapSource is empty (all pixels are blank)
/// </summary>
public static bool IsEmpty(this BitmapSource bitmap)
{
var pixels = bitmap.GetPixels();
foreach (var pixel in pixels)
{
if (pixel != 0)
{
return(false);
}
}
return(true);
}