javauis/lcdui_akn/javalcdui/inc.nokialcdui/TMID4444Format.h
branchRCL_3
changeset 19 04becd199f91
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/lcdui_akn/javalcdui/inc.nokialcdui/TMID4444Format.h	Tue Apr 27 16:30:29 2010 +0300
@@ -0,0 +1,86 @@
+/*
+* 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:  4 bits for alpha, red, green and blue component in a pixel.
+*
+*/
+
+
+#ifndef TMID4444FORMAT_H
+#define TMID4444FORMAT_H
+
+//  INCLUDES
+#include "TMIDFormatConverter.h"
+
+//  CONSTANTS
+const TUint16 K4444AMax = 0xF000;
+const TUint16 K4444RMax = 0x0F00;
+const TUint16 K4444GMax = 0x00F0;
+const TUint16 K4444BMax = 0x000F;
+const TInt KBytesPerPixel4444 = 2;
+
+
+//  CLASS DEFINITION
+/**
+ * 4 bits for alpha, red, green and blue component in a pixel, stored as a
+ * short (0xARGB).
+ *
+ */
+
+NONSHARABLE_CLASS(TMID4444Format):  public TMIDFormatConverter
+{
+public: //  initialization
+    void InitializeL(const TMIDBitmapParameters& aParameters);
+
+public: // from TMIDFormatConverter
+    // Convert from internal to int
+    TUint32 ConvertInternal(const TMIDInternalARGB& aInternal);
+
+    // Convert from int to internal
+    void Convert(TMIDInternalARGB& aResult, TUint32 aColor) const;
+
+    // Get pixel from current position
+    void GetPixel(TMIDInternalARGB& aResult) const;
+
+    // Get alpha which is in same format as bitmap
+    TUint8 GetAlpha() const;
+
+    // Plot pixel to current position
+    void PlotPixel(const TMIDInternalARGB& aInternal);
+
+    // Checks is alpha calculation needed
+    TBool IsAlpha()
+    {
+        return ETrue; /* always alpha */
+    }
+
+    // Set bitmap
+    void SetBitmap(TUint32* aBitmap)
+    {
+        iBitmap = (TUint16*)aBitmap;
+    }
+
+    // Get bitmap
+    TUint32* Bitmap()
+    {
+        return (TUint32*)iBitmap;
+    }
+protected: // from TMIDFormatConverter
+    // checks how many pixels is occupied and is last pixel in that limit
+    TBool CheckSize(TInt aPixelSize, TInt aLastDrawnPixelOffset);
+
+private: // data
+    TUint16* iBitmap;
+};
+
+#endif // TMID4444FORMAT_H