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Editor/Util/Image.cpp

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+////////////////////////////////////////////////////////////////////////////
+//
+//  Crytek Engine Source File.
+//  Copyright (C), Crytek Studios, 2001.
+// -------------------------------------------------------------------------
+//  File name:   Image.cpp
+//  Version:     v1.00
+//  Created:     26/11/2001 by Timur.
+//  Compilers:   Visual C++ 6.0
+//  Description: Image implementation,
+// -------------------------------------------------------------------------
+//  History:
+//
+////////////////////////////////////////////////////////////////////////////
+
+#include "StdAfx.h"
+#include "Image.h"
+//#include "libtiff\tiffio.h"
+
+//#pragma comment( lib,"libtiff/tiff.lib" )
+
+//////////////////////////////////////////////////////////////////////////
+bool CImage::LoadGrayscale16Tiff( const CString &fileName )
+{
+	return false;
+}
+
+//////////////////////////////////////////////////////////////////////////
+bool CImage::SaveGrayscale16Tiff( const CString &fileName )
+{
+/*
+	TIFF * tif;
+  int Width, Height,Bpp;
+	tdata_t buf;
+
+  tif = TIFFOpen(fileName, "rb");
+  if (tif == 0)
+  {
+    MessageBox( NULL,"Not a Tiff file","Warning",MB_OK|MB_ICONEXCLAMATION );
+    return false;
+  }
+
+  TIFFGetField(tif, TIFFTAG_IMAGEWIDTH, &Width);
+  TIFFGetField(tif, TIFFTAG_IMAGELENGTH, &Height);
+	TIFFGetField(tif, TIFFTAG_BITSPERSAMPLE, &Bpp);
+
+	int bytes = Bpp/8;
+	int mask = Bpp-1;
+
+  Allocate(Width, Height);
+	*/
+/*
+  buf = _TIFFmalloc(TIFFScanlineSize(tif));
+	for (int row = 0; row < Height; row++)
+	{
+		TIFFReadScanline(tif, buf, row);
+		unsigned char *pBuf = (unsigned char*)buf;
+		for (int x = 0; x < Width*bytes; x += bytes)
+		{
+			ValueAt( x,row ) = (*(uint*)buf) & mask;
+			pBuf += bytes;
+		}
+	}
+	_TIFFfree(buf);
+	*/
+
+  //TIFFClose(tif);
+	return true;
+}
+
+void CImage::SwapRedAndBlue()
+{
+	if (!IsValid())
+		return;
+	// Set the loop pointers
+	uint *pPixData = GetData();
+	uint *pPixDataEnd = pPixData + GetWidth()*GetHeight();
+	// Switch R and B
+	while (pPixData != pPixDataEnd)
+	{
+		// Extract the bits, shift them, put them back and advance to the next pixel
+		*pPixData++ = ((* pPixData & 0x00FF0000) >> 16) | 
+			(* pPixData & 0x0000FF00) | ((* pPixData & 0x000000FF) << 16);
+	}
+}