/// <summary>
/// Unlocks the image.
/// </summary>
public void UnlockImage()
{
if (currentState == BitmapExState.Locked)
{
workingBitmap.UnlockBits(bitmapData);
bitmapData = null;
pBase = null;
currentState = BitmapExState.Unlocked;
}
}
/// <summary>
/// Locks the image so manipulation can be done.
/// </summary>
public void LockImage()
{
if (currentState == BitmapExState.Unlocked)
{
Rectangle bounds = new Rectangle(Point.Empty, workingBitmap.Size);
width = (int)(bounds.Width * sizeof(PixelData));
if (width % 4 != 0)
{
width = 4 * (width / 4 + 1);
}
bitmapData = workingBitmap.LockBits(bounds, ImageLockMode.ReadWrite, PixelFormat.Format32bppArgb);
pBase = (Byte *)bitmapData.Scan0.ToPointer();
currentState = BitmapExState.Locked;
}
}
