/// <summary>
/// Constructor.
/// </summary>
/// <param name="bitmap">Source image.</param>
public unsafe RGBImage(BitmapSource bitmap)
{
int rows = bitmap.PixelHeight;
int columns = bitmap.PixelWidth;
_handler = new ByteArrayHandler(rows, columns, 3);
FormatConvertedBitmap bmp = new FormatConvertedBitmap();
bmp.BeginInit();
bmp.Source = bitmap;
bmp.DestinationFormat = PixelFormats.Rgb24;
bmp.EndInit();
byte[] pixels = new byte[rows * columns * 3];
bmp.CopyPixels(pixels, columns * 3, 0);
fixed(byte *src = pixels, dst = _handler.RawArray)
{
byte *srcPtr = src;
byte *dstPtr = dst;
int count = pixels.Length;
while (count-- > 0)
{
*dstPtr++ = *srcPtr++;
}
}
pixels = null;
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="bitmap">Source image.</param>
public unsafe RGBImage(System.Drawing.Bitmap bitmap)
{
int r, c;
byte *srcPtr, srcScan, dstPtr;
int rows = bitmap.Height;
int columns = bitmap.Width;
_handler = new ByteArrayHandler(rows, columns, 3);
System.Drawing.Imaging.BitmapData srcBuf = bitmap.LockBits(new System.Drawing.Rectangle(0, 0, bitmap.Width, bitmap.Height), System.Drawing.Imaging.ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
srcPtr = (byte *)srcBuf.Scan0;
int srcStride = srcBuf.Stride;
fixed(byte *dstBuf = _handler.RawArray)
{
dstPtr = dstBuf;
for (r = 0; r < rows; r++, srcPtr += srcStride)
{
for (c = 0, srcScan = srcPtr; c < columns; c++)
{
byte B = *srcScan++;
byte G = *srcScan++;
byte R = *srcScan++;
* dstPtr++ = R;
* dstPtr++ = G;
* dstPtr++ = B;
}
}
}
bitmap.UnlockBits(srcBuf);
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="rows">Number of rows</param>
/// <param name="columns">Number of columns</param>
public RGBImage(int rows, int columns)
{
_handler = new ByteArrayHandler(rows, columns, 3);
}