private void UpdateImageContainer()
{
CameraDeviceImpl instance = (CameraDeviceImpl)CameraDevice.Instance;
if ((this.mNumImageHeaders != instance.GetAllImages().Count) || ((instance.GetAllImages().Count > 0) && (this.mImageHeaderData == IntPtr.Zero)))
{
this.mNumImageHeaders = instance.GetAllImages().Count;
Marshal.FreeHGlobal(this.mImageHeaderData);
this.mImageHeaderData = Marshal.AllocHGlobal((int)(Marshal.SizeOf(typeof(ImageHeaderData)) * this.mNumImageHeaders));
}
int num = 0;
foreach (ImageImpl impl2 in instance.GetAllImages().Values)
{
IntPtr ptr = new IntPtr(this.mImageHeaderData.ToInt32() + (num * Marshal.SizeOf(typeof(ImageHeaderData))));
ImageHeaderData structure = new ImageHeaderData {
width = impl2.Width,
height = impl2.Height,
stride = impl2.Stride,
bufferWidth = impl2.BufferWidth,
bufferHeight = impl2.BufferHeight,
format = (int)impl2.PixelFormat,
reallocate = 0,
updated = 0,
data = impl2.UnmanagedData
};
Marshal.StructureToPtr(structure, ptr, false);
num++;
}
}
private void UpdateCameraFrame()
{
int num = 0;
CameraDeviceImpl instance = (CameraDeviceImpl)CameraDevice.Instance;
foreach (ImageImpl impl2 in instance.GetAllImages().Values)
{
IntPtr ptr = new IntPtr(this.mImageHeaderData.ToInt32() + (num * Marshal.SizeOf(typeof(ImageHeaderData))));
ImageHeaderData data = (ImageHeaderData)Marshal.PtrToStructure(ptr, typeof(ImageHeaderData));
impl2.Width = data.width;
impl2.Height = data.height;
impl2.Stride = data.stride;
impl2.BufferWidth = data.bufferWidth;
impl2.BufferHeight = data.bufferHeight;
impl2.PixelFormat = (Image.PIXEL_FORMAT)data.format;
if (data.reallocate == 1)
{
impl2.Pixels = new byte[QCARWrapper.Instance.QcarGetBufferSize(impl2.BufferWidth, impl2.BufferHeight, (int)impl2.PixelFormat)];
Marshal.FreeHGlobal(impl2.UnmanagedData);
impl2.UnmanagedData = Marshal.AllocHGlobal(QCARWrapper.Instance.QcarGetBufferSize(impl2.BufferWidth, impl2.BufferHeight, (int)impl2.PixelFormat));
}
else if (data.updated == 1)
{
impl2.CopyPixelsFromUnmanagedBuffer();
}
num++;
}
}
// Unmarshal the camera images for this frame
private void UpdateCameraFrame()
{
// Unmarshal the image data:
int i = 0;
CameraDeviceImpl cameraDeviceImpl = (CameraDeviceImpl)CameraDevice.Instance;
foreach (ImageImpl image in cameraDeviceImpl.GetAllImages().Values)
{
IntPtr imagePtr = new IntPtr(mImageHeaderData.ToInt32() + i *
Marshal.SizeOf(typeof(ImageHeaderData)));
ImageHeaderData imageHeader = (ImageHeaderData)
Marshal.PtrToStructure(imagePtr, typeof(ImageHeaderData));
// Copy info back to managed Image instance:
image.Width = imageHeader.width;
image.Height = imageHeader.height;
image.Stride = imageHeader.stride;
image.BufferWidth = imageHeader.bufferWidth;
image.BufferHeight = imageHeader.bufferHeight;
image.PixelFormat = (Image.PIXEL_FORMAT)imageHeader.format;
// Reallocate if required:
if (imageHeader.reallocate == 1)
{
image.Pixels = new byte[QCARWrapper.Instance.QcarGetBufferSize(image.BufferWidth,
image.BufferHeight,
(int)image.PixelFormat)];
Marshal.FreeHGlobal(image.UnmanagedData);
image.UnmanagedData = Marshal.AllocHGlobal(QCARWrapper.Instance.QcarGetBufferSize(image.BufferWidth,
image.BufferHeight,
(int)image.PixelFormat));
// Note we don't copy the data this frame as the unmanagedVirtualButtonBehaviour
// buffer was not filled.
}
else if (imageHeader.updated == 1)
{
// Copy data:
image.CopyPixelsFromUnmanagedBuffer();
}
++i;
}
}
// Update the image container for the currently registered formats
private void UpdateImageContainer()
{
CameraDeviceImpl cameraDeviceImpl = (CameraDeviceImpl)CameraDevice.Instance;
// Reallocate the data container if the number of requested images has
// changed, or if the container is not allocated
if (mNumImageHeaders != cameraDeviceImpl.GetAllImages().Count ||
(cameraDeviceImpl.GetAllImages().Count > 0 && mImageHeaderData == IntPtr.Zero))
{
mNumImageHeaders = cameraDeviceImpl.GetAllImages().Count;
Marshal.FreeHGlobal(mImageHeaderData);
mImageHeaderData = Marshal.AllocHGlobal(Marshal.SizeOf(
typeof(ImageHeaderData)) * mNumImageHeaders);
}
// Update the image info:
int i = 0;
foreach (ImageImpl image in cameraDeviceImpl.GetAllImages().Values)
{
IntPtr imagePtr = new IntPtr(mImageHeaderData.ToInt32() + i *
Marshal.SizeOf(typeof(ImageHeaderData)));
ImageHeaderData imageHeader = new ImageHeaderData();
imageHeader.width = image.Width;
imageHeader.height = image.Height;
imageHeader.stride = image.Stride;
imageHeader.bufferWidth = image.BufferWidth;
imageHeader.bufferHeight = image.BufferHeight;
imageHeader.format = (int)image.PixelFormat;
imageHeader.reallocate = 0;
imageHeader.updated = 0;
imageHeader.data = image.UnmanagedData;
Marshal.StructureToPtr(imageHeader, imagePtr, false);
++i;
}
}
// Update the image container for the currently registered formats
private void UpdateImageContainer()
{
CameraDeviceImpl cameraDeviceImpl = (CameraDeviceImpl)CameraDevice.Instance;
// Reallocate the data container if the number of requested images has
// changed, or if the container is not allocated
if (mNumImageHeaders != cameraDeviceImpl.GetAllImages().Count ||
(cameraDeviceImpl.GetAllImages().Count > 0 && mImageHeaderData == IntPtr.Zero))
{
mNumImageHeaders = cameraDeviceImpl.GetAllImages().Count;
Marshal.FreeHGlobal(mImageHeaderData);
mImageHeaderData = Marshal.AllocHGlobal(Marshal.SizeOf(
typeof(ImageHeaderData)) * mNumImageHeaders);
}
// Update the image info:
int i = 0;
foreach (ImageImpl image in cameraDeviceImpl.GetAllImages().Values)
{
IntPtr imagePtr = new IntPtr(mImageHeaderData.ToInt32() + i *
Marshal.SizeOf(typeof(ImageHeaderData)));
ImageHeaderData imageHeader = new ImageHeaderData();
imageHeader.width = image.Width;
imageHeader.height = image.Height;
imageHeader.stride = image.Stride;
imageHeader.bufferWidth = image.BufferWidth;
imageHeader.bufferHeight = image.BufferHeight;
imageHeader.format = (int)image.PixelFormat;
imageHeader.reallocate = 0;
imageHeader.updated = 0;
imageHeader.data = image.UnmanagedData;
Marshal.StructureToPtr(imageHeader, imagePtr, false);
++i;
}
}
