Function drawColorImage

Samples/NiViewer/Draw.cpp:766–895

}

void drawColorImage(IntRect* pLocation, IntPair* pPointer, int pointerRed, int pointerGreen, int pointerBlue)
{
	if (g_DrawConfig.Streams.bBackground)
		TextureMapDraw(&g_texBackground, pLocation);

	if (g_DrawConfig.Streams.Image.Coloring == IMAGE_OFF)
		return;

	if (!isImageOn() && !isIROn())
	{
		drawClosedStream(pLocation, "Image");
		return;
	}

	const MapMetaData* pImageMD;
	const XnUInt8* pImage = NULL;

	if (isImageOn())
	{
		pImageMD = getImageMetaData();
		pImage = getImageMetaData()->Data();
	}
	else if (isIROn())
	{
		pImageMD = getIRMetaData();
		pImage = (const XnUInt8*)getIRMetaData()->Data();
	}
	else
		return;

	if (pImageMD->FrameID() == 0)
	{
		return;
	}

	const DepthMetaData* pDepthMetaData = getDepthMetaData();

	double grayscale16Factor = 1.0;
	if (pImageMD->PixelFormat() == XN_PIXEL_FORMAT_GRAYSCALE_16_BIT)
	{
		int nPixelsCount = pImageMD->XRes()*pImageMD->YRes();
		XnUInt16* pPixel = (XnUInt16*)pImage;
		for (int i = 0; i < nPixelsCount; ++i,++pPixel)
		{
			if (*pPixel > g_nMaxGrayscale16Value)
				g_nMaxGrayscale16Value = *pPixel;
		}

		if (g_nMaxGrayscale16Value > 0)
		{
			grayscale16Factor = 255.0 / g_nMaxGrayscale16Value;
		}
	}

	for (XnUInt16 nY = pImageMD->YOffset(); nY < pImageMD->YRes() + pImageMD->YOffset(); nY++)
	{
		XnUInt8* pTexture = TextureMapGetLine(&g_texImage, nY) + pImageMD->XOffset()*4;