--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/lcdui_akn/javalcdui/inc.nokialcdui/TMIDFormatConverter.h	Tue Apr 27 16:30:29 2010 +0300
@@ -0,0 +1,125 @@
+/*
+* Copyright (c) 2006 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:  Abstract base class for format converters.
+*
+*/
+
+
+
+#ifndef TMIDFORMATCONVERTER_H
+#define TMIDFORMATCONVERTER_H
+
+// INCLUDES
+#include <gdi.h> //TDisplayMode
+#include "TMIDInternalARGB.h"
+#include "TMIDBitmapParameters.h"
+#include "TMIDTransformer.h"
+#include "nativecolors.h"
+
+// CONSTANTS
+const TInt KErrIllegalArgumentException = -11;
+const TInt KErrArrayIndexOutOfBoundsException = -12;
+
+//  CLASS DEFINITION
+/**
+ * Abstract base class for format converters.
+ *
+ */
+NONSHARABLE_CLASS(TMIDFormatConverter)
+{
+public: // Constructor
+    TMIDFormatConverter();
+
+public: //  initialization
+    virtual void InitializeL(const TMIDBitmapParameters& aParameters);
+
+public: // abstract methods
+    // Convert from internal to int
+    virtual TUint32 ConvertInternal(const TMIDInternalARGB& aInternal) = 0;
+
+    // Convert from int to internal
+    virtual void Convert(TMIDInternalARGB& aResult, TUint32) const = 0;
+
+    // Get pixel from current position
+    virtual void GetPixel(TMIDInternalARGB& aResult) const = 0;
+
+    // Get alpha which is in same format as bitmap
+    virtual TUint8 GetAlpha() const = 0;
+
+    // Get pixel using alpha bitmap
+    virtual void GetPixelWithAlpha(TMIDInternalARGB& aResult) const;
+
+    // Plot pixel to current position
+    virtual void PlotPixel(const TMIDInternalARGB& aInternal) = 0;
+
+    // Get pixel using alpha bitmap
+    virtual void PlotPixelWithAlpha(const TMIDInternalARGB& aInternal);
+
+    // Checks is alpha calculation needed
+    virtual TBool IsAlpha();
+
+    // Set bitmap
+    virtual void SetBitmap(TUint32* aBitmap) = 0;
+
+    // Get bitmap
+    virtual TUint32* Bitmap() = 0;
+
+public: // new methods
+    // Advance position in x-axis, returns EFalse if advancing is in the end
+    inline TBool AdvanceX();
+
+    // Advance position in y-axis, returns EFalse if advancing is in the end
+    inline TBool AdvanceY();
+
+    // set alpha bitmap
+    void SetAlpha(TUint32* aAlphaBitmap, const TDisplayMode& aAlphaMode)
+    {
+        iAlphaBitmap = aAlphaBitmap;
+        iAlphaMode = aAlphaMode;
+    }
+
+protected: // abstract methods
+    // checks how many pixels is occupied and is last pixel in that limit
+    virtual TBool CheckSize(TInt aPixelSize, TInt aLastDrawnPixelOffset) = 0;
+
+protected: // new methods
+    void CalculateAlpha(TMIDInternalARGB& aTargetColor,
+                        const TMIDInternalARGB& aBelowColor);
+public:
+    TInt iOffset;
+    TRect iBitmapRect;
+
+protected: // data
+    TMIDTransformer iTransformer;
+    TInt iScanlength;
+    TInt iAlphaScanLength; // in 32 bit words
+    TInt iAnchor;
+    TUint32* iAlphaBitmap;
+    TDisplayMode iAlphaMode;
+    TBool iTransparency;
+};
+
+inline TBool TMIDFormatConverter::AdvanceX()
+{
+    iOffset += iTransformer.iXMove.iX;
+    return ETrue;
+}
+
+inline TBool TMIDFormatConverter::AdvanceY()
+{
+    iOffset += iTransformer.iYMove.iX;
+    return ETrue;
+}
+
+#endif // TMIDFORMATCONVERTER_H