--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mmserv/thumbnailengine/TneProcessorInc/Yuv2rgb16.h Tue Feb 02 01:08:46 2010 +0200
@@ -0,0 +1,98 @@
+/*
+* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: YUV to EColor64K colorspace converter concrete classes
+*
+*/
+
+
+
+#ifndef __YUV2RGB16_H__
+#define __YUV2RGB16_H__
+
+// INCLUDES
+
+#ifndef __YUVCONVERTER_H__
+#include "yuvconverter.h"
+#endif
+
+// CLASS DEFINITIONS
+
+class CYuv2Rgb16 : public CYuvConverter
+{
+public: // CYuvConverter methods
+ // Constructors & destructor
+ CYuv2Rgb16();
+ ~CYuv2Rgb16();
+ void ConstructL(TUint aWidth, TUint aHeight, TUint aMaxWidth, TUint aMaxHeight);
+
+ void Convert(const TUint8 *aYBuf, const TUint8 *aUBuf,
+ const TUint8 *aVBuf,
+ TUint aBufWidth, TUint aBufHeight,
+ TUint8 *aTarget, TUint aTargetScanlineLength);
+
+ void SetGamma(TInt /*aGamma*/) {};
+
+protected: // Data
+
+ TUint iWidth, iHeight;
+
+};
+
+
+// The fixed point constants for YUV -> RGB conversion
+const TInt KYMult = 296;
+const TInt KCrToR = 408;
+const TInt KCbToG = 96;
+const TInt KCrToG = 204;
+const TInt KCbToB = 520;
+
+// -----------------------------------------------------------------------------
+// UvToRDiff
+// Calculate the red color difference from Cr by using fixed point values.
+// -----------------------------------------------------------------------------
+//
+inline TInt UvToRDiff(
+ TInt aCr,
+ TInt /*aCb*/)
+ {
+ return (KCrToR * aCr) / 256;
+ }
+
+// -----------------------------------------------------------------------------
+// UvToGDiff
+// Calculate the green color difference from Cr and Cb components
+// by using fixed point values.
+// -----------------------------------------------------------------------------
+//
+inline TInt UvToGDiff(
+ TInt aCr,
+ TInt aCb)
+ {
+ return (KCbToG * aCb + KCrToG * aCr) / 256;
+ }
+
+// -----------------------------------------------------------------------------
+// UvToBDiff
+// Calculate the blue color difference from Cb by using fixed point values.
+// -----------------------------------------------------------------------------
+//
+inline TInt UvToBDiff(
+ TInt /*aCr*/,
+ TInt aCb)
+ {
+ return (KCbToB * aCb) / 256;
+ }
+
+
+#endif