/// <summary>
/// Default constructor
/// </summary>
/// <param name="bmp">The bitmap</param>
public BitmapLock(Bitmap bmp)
{
// Get the bitmap
SourceBmp = bmp;
// Get width and height of bitmap
Width = SourceBmp.Width;
Height = SourceBmp.Height;
// Create rectangle to lock
Rectangle rect = new Rectangle(0, 0, Width, Height);
// Make sure the pixel format is supported
if (!SupportedPixelFormats.Contains(PixelFormat))
{
throw new ArgumentException($"The pixel format {PixelFormat} of the bitmap is not supported");
}
// Lock bitmap and return bitmap data
BitmapData = SourceBmp.LockBits(rect, ImageLockMode.ReadWrite, SourceBmp.PixelFormat);
// Create byte array to copy pixel values
Pixels = new byte[Width * Height * (Image.GetPixelFormatSize(PixelFormat) / 8)];
// Get the pointer address
Iptr = BitmapData.Scan0;
// Copy data from pointer to array
Marshal.Copy(Iptr, Pixels, 0, Pixels.Length);
}
public static VideoFormat GetVideoFormat(_BMDPixelFormat pixFormat)
{
VideoFormat format = null;
if (SupportedPixelFormats.ContainsKey(pixFormat))
{
format = SupportedPixelFormats[pixFormat];
}
return(format);
}
