--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/videoeditorengine/vedengine/GenManip/src/DCColorManagement.cpp Fri Jan 29 14:08:33 2010 +0200
@@ -0,0 +1,265 @@
+/*
+* Copyright (c) 2010 Ixonos Plc.
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the "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:
+* Ixonos Plc
+*
+* Description:
+*
+*/
+
+
+//----IMAAMI----
+//*************************************************************************
+//DCColorManagement.cpp
+//
+//Version 1.00
+//
+//Contains:
+// CDCCDM
+// Simple color management approach consisting
+// of 3xLUT + 3x3 Matrix + 3xLUT for compensating
+// display specific features.
+//
+//History:
+// 19.08.2003 version 1.00 created using existing IMAAMI algorithms
+//*************************************************************************
+
+#include <fbs.h>
+#include <s32file.h>
+#include <stdio.h>
+#include "DCColorManagement.h"
+
+
+
+/*
+-----------------------------------------------------------------------------
+
+ CDCColorManagement
+
+ Constructor
+
+ Default constructor, initializes member variables to initial values
+
+ Return Values: none
+
+-----------------------------------------------------------------------------
+*/
+CDCColorManagement::CDCColorManagement()
+{
+ //Set default values for parameters
+ //Set pointer to internal data (LUTs and matrix memory locations)
+ iParams.GammaR = iGammaR;
+ iParams.GammaG = iGammaG;
+ iParams.GammaB = iGammaB;
+ iParams.Matrix = iMatrix;
+ iParams.TRCR = iTRCR;
+ iParams.TRCG = iTRCG;
+ iParams.TRCB = iTRCB;
+}
+
+
+
+/*
+-----------------------------------------------------------------------------
+
+ NewLC
+
+ Factory function to instantiate the class.
+ This function leaves the class pointer to the cleanup stack
+ May leave with KErrNoMemory if no memory available
+
+ Return Values: CDCColorManagement* self: pointer to the class instance
+
+-----------------------------------------------------------------------------
+*/
+CDCColorManagement* CDCColorManagement::NewLC()
+{
+ CDCColorManagement* self = new (ELeave) CDCColorManagement();
+ CleanupStack::PushL(self);
+ self->ConstructL();
+ return self;
+}
+
+
+
+/*
+-----------------------------------------------------------------------------
+
+ NewL
+
+ Factory function to instantiate the class.
+ May leave with KErrNoMemory if no memory available
+
+ Return Values: CDCColorManagement* self: pointer to the class instance
+
+-----------------------------------------------------------------------------
+*/
+CDCColorManagement* CDCColorManagement::NewL()
+{
+ CDCColorManagement* self = CDCColorManagement::NewLC();
+ CleanupStack::Pop();
+ return self;
+}
+
+
+
+
+/*
+-----------------------------------------------------------------------------
+
+ ConstructL
+
+ Second phase constructor. Does nothing at the moment
+
+ Return Values: none
+
+ -----------------------------------------------------------------------------
+*/
+void CDCColorManagement::ConstructL()
+{
+ // This function is intentionally left blank.
+}
+
+
+
+/*
+-----------------------------------------------------------------------------
+
+ Destructor
+
+ Deletes the scanline buffer
+
+ Return Values: none
+
+-----------------------------------------------------------------------------
+*/
+CDCColorManagement::~CDCColorManagement()
+{
+ // This function is intentionally left blank.
+}
+
+
+
+
+/*
+-----------------------------------------------------------------------------
+
+ ProcessL
+
+ Process image referenced by aBPtr (modify aBPtr).
+ May leave with KErrNoMemory if no memory available
+
+ Return Values: none
+
+-----------------------------------------------------------------------------
+*/
+void CDCColorManagement::ProcessL(CFbsBitmap* aBPtr)
+{
+
+ TInt r, g, b, rr, gg, bb; // Color components
+ TUint8* DataPtr; // Pointer to image data
+
+ //Check image mode
+ if (aBPtr->DisplayMode() != EColor16M)
+ return;
+
+ // Line Buffer and pointer to the data
+ TUint LineLength = aBPtr->SizeInPixels().iWidth;
+ iScanLine = HBufC8::NewMaxL(LineLength*3);
+ TPtr8 LinePtr((TUint8*)iScanLine->Des().Ptr(), LineLength*3);
+
+ // Step through image lines
+ for (TInt LineNo=0; LineNo<aBPtr->SizeInPixels().iHeight; ++LineNo)
+ {
+ //Get line from image and set data pointer
+ aBPtr->GetScanLine(LinePtr, TPoint(0, LineNo), aBPtr->SizeInPixels().iWidth, aBPtr->DisplayMode());
+ DataPtr = (TUint8 *)iScanLine->Des().Ptr();
+
+ //Step through image pixels
+ for (TUint x=aBPtr->SizeInPixels().iWidth; x != 0; --x)
+ {
+ //Get the color components and map them using linearization LUTs
+ b=iParams.GammaR[*DataPtr];
+ g=iParams.GammaG[*(DataPtr+1)];
+ r=iParams.GammaB[*(DataPtr+2)];
+
+ //Process with 3x3 matrix
+ rr=(r*iParams.Matrix[0] + g*iParams.Matrix[3*0+1] + b*iParams.Matrix[3*0+2])>>16;
+ gg=(r*iParams.Matrix[3*1+0] + g*iParams.Matrix[3*1+1] + b*iParams.Matrix[3*1+2])>>16;
+ bb=(r*iParams.Matrix[3*2+0] + g*iParams.Matrix[3*2+1] + b*iParams.Matrix[3*2+2])>>16;
+
+ //Limit between 0...255
+ if (rr<0) rr=0; if (rr>255) rr=255;
+ if (gg<0) gg=0; if (gg>255) gg=255;
+ if (bb<0) bb=0; if (bb>255) bb=255;
+
+ //Process with TRC LUTs
+ rr=iParams.TRCR[rr];
+ gg=iParams.TRCG[gg];
+ bb=iParams.TRCB[bb];
+
+ //Set color components
+ *DataPtr = (TUint8)bb;
+ ++DataPtr;
+ *DataPtr = (TUint8)gg;
+ ++DataPtr;
+ *DataPtr = (TUint8)rr;
+ ++DataPtr;
+ }
+
+ //Set processed line
+ aBPtr->SetScanLine(LinePtr, LineNo);
+ }
+
+ //Free memory
+ delete(iScanLine);
+ iScanLine = 0;
+}
+
+
+
+
+/*
+-----------------------------------------------------------------------------
+
+ SetParams
+
+ Set processing parameters
+
+ Return Values: none
+
+-----------------------------------------------------------------------------
+*/
+void CDCColorManagement::SetParameters(DCColorManagementParams* params)
+{
+ iParams = *params;
+}
+
+
+
+
+/*
+-----------------------------------------------------------------------------
+
+ GetParams
+
+ Get current processing parameters
+
+ Return Values: none
+
+-----------------------------------------------------------------------------
+*/
+void CDCColorManagement::GetParameters(DCColorManagementParams* params)
+{
+ *params = iParams;
+}
+//----IMAAMI----