1 /*

     2 * Copyright (c) 2010 Ixonos Plc.

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of the "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - Initial contribution

    11 *

    12 * Contributors:

    13 * Ixonos Plc

    14 *

    15 * Description:  

    16 * YUV to EColor4K colorspace converter concrete classes. 

    17 *

    18 */

    19 

    20     

    21 

    22 #ifndef     __YUV2RGB12_H__

    23 #define     __YUV2RGB12_H__

    24 

    25 

    26 //  INCLUDES

    27 

    28 #ifndef __YUVCONVERTER_H__

    29 #include "yuvconverter.h"

    30 #endif

    31 

    32 

    33 //  CLASS DEFINITIONS

    34 

    35 // Normal YUV to Rgb12 with dither

    36 class CYuv2Rgb12 : public CYuvConverter

    37 {

    38 public: // CYuvConverter methods

    39     // Constructors & destructor

    40     CYuv2Rgb12();

    41     ~CYuv2Rgb12();

    42     void ConstructL(TUint aWidth, TUint aHeight, TUint aMaxWidth, TUint aMaxHeight);

    43     void SetGamma(TInt aGamma);

    44     void SetBrightnessContrast(TInt aBCIndex);

    45     void Convert(const TUint8 *aYBuf, const TUint8 *aUBuf,

    46                  const TUint8 *aVBuf,

    47                  TUint aBufWidth, TUint aBufHeight,

    48                  TUint8 *aTarget, TUint aTargetScanlineLength);

    49 

    50 protected: // Data

    51     enum

    52     {

    53         ESaturateOffset = 222,    //saturation table offset; min value (when U == 0, Y == 0) is -222 

    54         ESaturateLength = 476+12+ESaturateOffset  //table length; max value (when U == 255, Y == 255) is 476+12(dither)

    55     };

    56     TUint8 *iRgbLookupTable; // RGB clamp/gamma lookup table

    57     TUint iWidth, iHeight, iCropWidth, iCropHeight;

    58     TInt iGamma;

    59     TInt iBrightnessContrast;

    60 };

    61 

    62 

    63 

    64 

    65 #endif      //  __YUV2RGB12_H__

    66             

    67 // End of File