Function drawDepth

Samples/NiViewer/Draw.cpp:897–1038

}

void drawDepth(IntRect* pLocation, IntPair* pPointer)
{
	if (g_DrawConfig.Streams.Depth.Coloring != DEPTH_OFF)
	{
		if (!isDepthOn())
		{
			drawClosedStream(pLocation, "Depth");
			return;
		}

		const DepthMetaData* pDepthMD = getDepthMetaData();
		const XnDepthPixel* pDepth = pDepthMD->Data();
		XN_ASSERT(pDepth);
		
		if (pDepthMD->FrameID() == 0)
		{
			return;
		}

		if (g_DrawConfig.Streams.Depth.Coloring == STANDARD_DEVIATION)
		{
			XnPixelStatistics* pStatistics = g_PixelStatistics;

			for (XnUInt16 nY = pDepthMD->YOffset(); nY < pDepthMD->YRes() + pDepthMD->YOffset(); nY++)
			{
				XnUInt8* pTexture = TextureMapGetLine(&g_texDepth, nY) + pDepthMD->XOffset()*4;
				for (XnUInt16 nX = 0; nX < pDepthMD->XRes(); nX++, pTexture+=4, pStatistics++)
				{
					pTexture[0] = pTexture[1] = XN_MIN((int)pStatistics->dStdDev, 255);
					pTexture[2] = 0;
					pTexture[3] = g_DrawConfig.Streams.Depth.fTransparency*255;
				}
			}
		}
		else
		{
			// copy depth into texture-map
			for (XnUInt16 nY = pDepthMD->YOffset(); nY < pDepthMD->YRes() + pDepthMD->YOffset(); nY++)
			{
				XnUInt8* pTexture = TextureMapGetLine(&g_texDepth, nY) + pDepthMD->XOffset()*4;
				for (XnUInt16 nX = 0; nX < pDepthMD->XRes(); nX++, pDepth++, pTexture+=4)
				{
					XnUInt8 nRed = 0;
					XnUInt8 nGreen = 0;
					XnUInt8 nBlue = 0;
					XnUInt8 nAlpha = g_DrawConfig.Streams.Depth.fTransparency*255;

					XnUInt16 nColIndex;

					switch (g_DrawConfig.Streams.Depth.Coloring)
					{
					case LINEAR_HISTOGRAM:
						nRed = nGreen = g_pDepthHist[*pDepth]*255;
						break;
					case PSYCHEDELIC_SHADES:
						nAlpha *= (((XnFloat)(*pDepth % 10) / 20) + 0.5);
					case PSYCHEDELIC: