/*
* private Bitmap CreateBitmap(byte[] data)
* {
* // Do the magic to create a bitmap
* int stride = _camWidth * _bytesPerPixel;
* GCHandle handle = GCHandle.Alloc(data, GCHandleType.Pinned);
* int scan0 = (int)handle.AddrOfPinnedObject();
* scan0 += (_camHeight - 1) * stride;
* Bitmap b = new Bitmap(_camWidth, _camHeight, -stride, PixelFormat.Format24bppRgb, (IntPtr)scan0);
*
* // Now you can free the handle
* handle.Free();
*
* return b;
* }
*/
/*
* private void CreateImageBitmap(XnMImageMetaData imageMd, out InteropBitmap interopBitmap, out Bitmap bitmap)
* {
* var format = MapPixelFormat(imageMd.PixelFormat);
* var bmpWidth = (int)imageMd.FullXRes;
* var bmpHeight = (int)imageMd.FullYRes;
*
* var numBytes = (uint)(bmpWidth * bmpHeight * format.BitsPerPixel / 8);
* var stride = (bmpWidth * format.BitsPerPixel / 8);
*
* var section = NativeMethods.CreateFileMapping(NativeMethods.INVALID_HANDLE_VALUE, IntPtr.Zero, NativeMethods.PAGE_READWRITE, 0, numBytes, null);
* var map = NativeMethods.MapViewOfFile(section, NativeMethods.FILE_MAP_ALL_ACCESS, 0, 0, numBytes);
*
* interopBitmap = (InteropBitmap)Imaging.CreateBitmapSourceFromMemorySection(section,
* bmpWidth, bmpHeight, format, stride, 0);
*
* bitmap = new Bitmap(bmpWidth, bmpHeight, stride, PixelFormat.Format24bppRgb, map);
*
* NativeMethods.CloseHandle(section);
* }
*/
private static PixelFormat MapPixelFormat(XnMPixelFormat xnMPixelFormat)
{
switch (xnMPixelFormat)
{
case XnMPixelFormat.Grayscale8Bit:
return(PixelFormats.Gray8);
case XnMPixelFormat.Grayscale16Bit:
return(PixelFormats.Gray16);
case XnMPixelFormat.Rgb24:
return(PixelFormats.Rgb24);
case XnMPixelFormat.Yuv422:
default:
throw new NotSupportedException();
}
}
/*
private Bitmap CreateBitmap(byte[] data)
{
// Do the magic to create a bitmap
int stride = _camWidth * _bytesPerPixel;
GCHandle handle = GCHandle.Alloc(data, GCHandleType.Pinned);
int scan0 = (int)handle.AddrOfPinnedObject();
scan0 += (_camHeight - 1) * stride;
Bitmap b = new Bitmap(_camWidth, _camHeight, -stride, PixelFormat.Format24bppRgb, (IntPtr)scan0);
// Now you can free the handle
handle.Free();
return b;
}
*/
/*
private void CreateImageBitmap(XnMImageMetaData imageMd, out InteropBitmap interopBitmap, out Bitmap bitmap)
{
var format = MapPixelFormat(imageMd.PixelFormat);
var bmpWidth = (int)imageMd.FullXRes;
var bmpHeight = (int)imageMd.FullYRes;
var numBytes = (uint)(bmpWidth * bmpHeight * format.BitsPerPixel / 8);
var stride = (bmpWidth * format.BitsPerPixel / 8);
var section = NativeMethods.CreateFileMapping(NativeMethods.INVALID_HANDLE_VALUE, IntPtr.Zero, NativeMethods.PAGE_READWRITE, 0, numBytes, null);
var map = NativeMethods.MapViewOfFile(section, NativeMethods.FILE_MAP_ALL_ACCESS, 0, 0, numBytes);
interopBitmap = (InteropBitmap)Imaging.CreateBitmapSourceFromMemorySection(section,
bmpWidth, bmpHeight, format, stride, 0);
bitmap = new Bitmap(bmpWidth, bmpHeight, stride, PixelFormat.Format24bppRgb, map);
NativeMethods.CloseHandle(section);
}
*/
private static PixelFormat MapPixelFormat(XnMPixelFormat xnMPixelFormat)
{
switch (xnMPixelFormat)
{
case XnMPixelFormat.Grayscale8Bit:
return PixelFormats.Gray8;
case XnMPixelFormat.Grayscale16Bit:
return PixelFormats.Gray16;
case XnMPixelFormat.Rgb24:
return PixelFormats.Rgb24;
case XnMPixelFormat.Yuv422:
default:
throw new NotSupportedException();
}
}
