/// <summary>
/// Fill a 32-bit RGBA image with appropriate colors given the specified parameters and
/// depth image.
/// </summary>
/// <param name="parameters">
/// Colorization parameters
/// </param>
/// <param name="depthImagePixels">
/// Depth image pixels used to inform colorization process
/// </param>
/// <param name="colorBuffer">
/// Color buffer to fill
/// </param>
/// <param name="depthWidth">
/// Width of depth image (in pixels)
/// </param>
/// <param name="depthHeight">
/// Height of depth image (in pixels)
/// </param>
/// <param name="downscaleFactor">
/// Number of pixels in input depth image that correspond to one pixel in color image.
/// </param>
public virtual void ColorizeDepthPixels(IDepthImageColorizerParameters parameters, DepthImagePixel[] depthImagePixels, byte[] colorBuffer, int depthWidth, int depthHeight, int downscaleFactor)
{
int primaryColorInteger = GetBgraColorInt(parameters.PrimaryUserColor);
int defaultColorInteger = GetBgraColorInt(parameters.DefaultUserColor);
// Initialize lookup table to default color for all player indexes
for (int i = 1; i < playerColorLookupTable.Length; i++)
{
playerColorLookupTable[i] = defaultColorInteger;
}
var trackingIds = parameters.UserTrackingIds;
if (trackingIds != null)
{
// Iterate through user tracking Ids to populate color table.
for (int i = 0; i < trackingIds.Length; ++i)
{
// Index in user info array matches the zero-based index of corresponding
// skeleton within skeleton frame, while player indexes in depth image are
// shifted by one in order to be able to use zero as a marker to mean
// "pixel does not correspond to any player".
int depthPlayerIndex = i + 1;
var trackingId = trackingIds[i];
Color trackingIdColor;
switch (parameters.UserColoringMode)
{
case UserColoringMode.Manual:
if ((parameters.UserColors != null) && parameters.UserColors.TryGetValue(trackingId, out trackingIdColor))
{
// If UserColors contains the tracking ID for this user, use the specified color.
playerColorLookupTable[depthPlayerIndex] = GetBgraColorInt(trackingIdColor);
}
break;
case UserColoringMode.HighlightPrimary:
if ((parameters.PrimaryUserTrackingId != KinectPrimaryUserTracker.InvalidUserTrackingId) &&
(parameters.PrimaryUserTrackingId == trackingId))
{
// If this is the primary user, use PrimaryUserColor.
playerColorLookupTable[depthPlayerIndex] = primaryColorInteger;
}
break;
//// Default: use DefaultUserColor for all users
}
}
}
int pixelDisplacementBetweenRows = depthWidth * downscaleFactor;
unsafe
{
fixed(byte *colorBufferPtr = colorBuffer)
{
fixed(DepthImagePixel *depthImagePixelPtr = depthImagePixels)
{
fixed(int *playerColorLookupPtr = this.playerColorLookupTable)
{
// Write color values using int pointers instead of byte pointers,
// since each color pixel is 32-bits wide.
int * colorBufferIntPtr = (int *)colorBufferPtr;
DepthImagePixel *currentPixelRowPtr = depthImagePixelPtr;
for (int row = 0; row < depthHeight; row += downscaleFactor)
{
DepthImagePixel *currentPixelPtr = currentPixelRowPtr;
for (int column = 0; column < depthWidth; column += downscaleFactor)
{
*colorBufferIntPtr++ = playerColorLookupPtr[currentPixelPtr->PlayerIndex];
currentPixelPtr += downscaleFactor;
}
currentPixelRowPtr += pixelDisplacementBetweenRows;
}
}
}
}
}
}
/// <summary>
/// Fill a 32-bit RGBA image with appropriate colors given the specified parameters and
/// depth image.
/// </summary>
/// <param name="parameters">
/// Colorization parameters
/// </param>
/// <param name="depthImagePixels">
/// Depth image pixels used to inform colorization process
/// </param>
/// <param name="colorBuffer">
/// Color buffer to fill
/// </param>
/// <param name="depthWidth">
/// Width of depth image (in pixels)
/// </param>
/// <param name="depthHeight">
/// Height of depth image (in pixels)
/// </param>
/// <param name="downscaleFactor">
/// Number of pixels in input depth image that correspond to one pixel in color image.
/// </param>
public virtual void ColorizeDepthPixels(IDepthImageColorizerParameters parameters, DepthImagePixel[] depthImagePixels, byte[] colorBuffer, int depthWidth, int depthHeight, int downscaleFactor)
{
int primaryColorInteger = GetBgraColorInt(parameters.PrimaryUserColor);
int defaultColorInteger = GetBgraColorInt(parameters.DefaultUserColor);
// Initialize lookup table to default color for all player indexes
for (int i = 1; i < playerColorLookupTable.Length; i++)
{
playerColorLookupTable[i] = defaultColorInteger;
}
var trackingIds = parameters.UserTrackingIds;
if (trackingIds != null)
{
// Iterate through user tracking Ids to populate color table.
for (int i = 0; i < trackingIds.Length; ++i)
{
// Index in user info array matches the zero-based index of corresponding
// skeleton within skeleton frame, while player indexes in depth image are
// shifted by one in order to be able to use zero as a marker to mean
// "pixel does not correspond to any player".
int depthPlayerIndex = i + 1;
var trackingId = trackingIds[i];
Color trackingIdColor;
switch (parameters.UserColoringMode)
{
case UserColoringMode.Manual:
if ((parameters.UserColors != null) && parameters.UserColors.TryGetValue(trackingId, out trackingIdColor))
{
// If UserColors contains the tracking ID for this user, use the specified color.
playerColorLookupTable[depthPlayerIndex] = GetBgraColorInt(trackingIdColor);
}
break;
case UserColoringMode.HighlightPrimary:
if ((parameters.PrimaryUserTrackingId != KinectPrimaryUserTracker.InvalidUserTrackingId)
&& (parameters.PrimaryUserTrackingId == trackingId))
{
// If this is the primary user, use PrimaryUserColor.
playerColorLookupTable[depthPlayerIndex] = primaryColorInteger;
}
break;
//// Default: use DefaultUserColor for all users
}
}
}
int pixelDisplacementBetweenRows = depthWidth * downscaleFactor;
unsafe
{
fixed (byte* colorBufferPtr = colorBuffer)
{
fixed (DepthImagePixel* depthImagePixelPtr = depthImagePixels)
{
fixed (int* playerColorLookupPtr = this.playerColorLookupTable)
{
// Write color values using int pointers instead of byte pointers,
// since each color pixel is 32-bits wide.
int* colorBufferIntPtr = (int*)colorBufferPtr;
DepthImagePixel* currentPixelRowPtr = depthImagePixelPtr;
for (int row = 0; row < depthHeight; row += downscaleFactor)
{
DepthImagePixel* currentPixelPtr = currentPixelRowPtr;
for (int column = 0; column < depthWidth; column += downscaleFactor)
{
*colorBufferIntPtr++ = playerColorLookupPtr[currentPixelPtr->PlayerIndex];
currentPixelPtr += downscaleFactor;
}
currentPixelRowPtr += pixelDisplacementBetweenRows;
}
}
}
}
}
}
