public void Lock()
{
if (m_locked)
{
throw new Exception("Bitmap already locked.");
}
// https://stackoverflow.com/questions/1563038/fast-work-with-bitmaps-in-c-sharp
Rectangle rect = new Rectangle(0, 0, Width, Height);
m_bitmapData = BitmapRef.LockBits(rect, ImageLockMode.ReadWrite, BitmapRef.PixelFormat);
//int rgbValueLength = IsAlphaBitmap ? 4 : 3;
int rgbValueLength = 4; // TODO fix this
m_bitmapSizeBytes = (Width * Height) * rgbValueLength;
#if !USE_UNSAFE_FUNCTIONS
m_bitmapPtr = m_bitmapData.Scan0;
if (m_bitmapDataCopy == null || m_bitmapDataCopy.Length != m_bitmapSizeBytes)
{
m_bitmapDataCopy = new byte [m_bitmapSizeBytes];
}
Marshal.Copy(m_bitmapPtr, m_bitmapDataCopy, 0, m_bitmapDataCopy.Length);
#endif
m_locked = true;
}
public void Lock()
{
if (m_locked)
{
throw new Exception("Bitmap already locked.");
}
// https://stackoverflow.com/questions/1563038/fast-work-with-bitmaps-in-c-sharp
Rectangle rect = new Rectangle(0, 0, Width, Height);
m_bitmapData = BitmapRef.LockBits(rect, ImageLockMode.ReadWrite, BitmapRef.PixelFormat);
m_bitmapPtr = m_bitmapData.Scan0;
int rgbValueLength = IsAlphaBitmap ? 4 : 3;
int bytes = (Width * Height) * rgbValueLength;
if (m_rgbValues == null || m_rgbValues.Length != (bytes - 1))
{
m_rgbValues = new byte [bytes - 1];
}
Marshal.Copy(m_bitmapPtr, m_rgbValues, 0, m_rgbValues.Length);
m_locked = true;
}