--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/lcdui_akn/lcdgr/src/LcdImage.cpp	Wed Sep 01 12:33:18 2010 +0100
@@ -0,0 +1,312 @@
+/*
+* Copyright (c) 2005 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:
+*
+*/
+
+#include "LcdImage.h"
+#include <lcdgdrv.h>
+#include "fbslcdgraphics.h"
+#include "LcdFbsImage.h"
+
+/**
+ * Copy bitmap data from (aColorBitmap,aAlphaBitmap) to aFbsImage.
+ */
+extern void CopyBitmapsL
+(
+    CLcdGraphicsDriver& aDriver,
+    CLcdFbsImage&       aFbsImage,
+    CFbsBitmap*         aColorBitmap,
+    CFbsBitmap*         aAlphaBitmap,
+    TBool               aInvertMask
+);
+
+CLcdImage::CLcdImage(CLcdGraphicsDriver& aDriver, TBool aMutable)
+        : iDriver(aDriver)
+        , iFbsImage(NULL)
+        , iMutable(aMutable)
+{
+}
+
+CLcdImage::~CLcdImage()
+{
+    if (iFbsImage)
+    {
+        iFbsImage->RemoveRef();
+    }
+}
+
+void CLcdImage::ConstructL(const TSize& aSize, const TImageType& aImageType)
+{
+    ASSERT(NULL == iFbsImage);
+    ASSERT(aSize.iWidth  > 0);
+    ASSERT(aSize.iHeight > 0);
+
+    iFbsImage = CLcdFbsImage::NewL(aSize, aImageType.iColorMode, aImageType.iAlphaMode);
+    iFbsImage->AddRef();
+    iTransparency = aImageType.iTransparency;
+}
+
+/**
+ * 2nd phase constructor from bitmap(s)
+ *
+ * Where possible, make a shallow copy (Duplicate) of aColorBitmap and optional aAlphaBitmap,
+ * if that is not possible because the bitmaps do not match the desired image type, make a
+ * deep copy.
+ */
+void CLcdImage::ConstructL(CFbsBitmap* aColorBitmap, CFbsBitmap* aAlphaBitmap, const TImageType& aImageType)
+{
+    ASSERT(NULL == iFbsImage);
+
+    TDisplayMode colorMode = aColorBitmap->DisplayMode();
+    TDisplayMode alphaMode = aAlphaBitmap ? aAlphaBitmap->DisplayMode() : ENone;
+
+    if ((colorMode == aImageType.iColorMode) && (alphaMode == aImageType.iAlphaMode))
+    {
+        // modes match - just duplicate.
+        iFbsImage = CLcdFbsImage::NewL(aColorBitmap, aAlphaBitmap);
+        iFbsImage->AddRef();
+    }
+    else
+    {
+        iFbsImage = CLcdFbsImage::NewL(aColorBitmap->SizeInPixels(), aImageType.iColorMode, aImageType.iAlphaMode);
+        iFbsImage->AddRef();
+        CopyBitmapsL(iDriver, *iFbsImage, aColorBitmap, aAlphaBitmap, EFalse);
+    }
+
+    iTransparency = aImageType.iTransparency;
+}
+
+TTransparency CLcdImage::Transparency() const
+{
+    return iTransparency;
+}
+
+TSize CLcdImage::Size() const
+{
+    return iFbsImage->Size();
+}
+
+void CLcdImage::CopyRegion(CLcdImage& aSource, const TDrawRegion& aRegion, const TRect& aClipRect)
+{
+    TTransparency dstTransparency = Transparency();
+    TTransparency srcTransparency = aSource.Transparency();
+
+    TInt error = TFbsLcdGraphics::CopyRegion
+                 (
+                     iDriver,
+                     iFbsImage->ColorBitmap(),
+                     iFbsImage->AlphaBitmap(),
+                     dstTransparency,
+                     aSource.iFbsImage->ColorBitmap(),
+                     aSource.iFbsImage->AlphaBitmap(),
+                     srcTransparency,
+                     aRegion,
+                     aClipRect
+                 );
+
+    ASSERT(error==KErrNone);
+}
+
+void CLcdImage::SetPixels
+(
+    const TRect&    aRect,
+    const TUint32*  aPixels,
+    TInt            aLength,
+    TInt            aOffset,
+    TInt            aScanLength,
+    const TSize&    aSize,
+    TBool           aProcessAlpha
+)
+{
+    TInt error = TFbsLcdGraphics::SetPixels
+                 (
+                     iDriver,
+                     iFbsImage->ColorBitmap(),
+                     iFbsImage->AlphaBitmap(),
+                     iTransparency,
+                     aRect,
+                     aPixels,
+                     aLength,
+                     aOffset,
+                     aScanLength,
+                     aSize,
+                     aProcessAlpha
+                 );
+
+    ASSERT(error == KErrNone);
+}
+
+void CLcdImage::GetPixels
+(
+    const TRect&    aRect,
+    TUint32*        aPixels,
+    TInt            aLength,
+    TInt            aOffset,
+    TInt            aScanLength,
+    const TSize&    aSize
+)
+{
+    TInt error = TFbsLcdGraphics::GetPixels
+                 (
+                     iDriver,
+                     iFbsImage->ColorBitmap(),
+                     iFbsImage->AlphaBitmap(),
+                     iTransparency,
+                     aRect,
+                     aPixels,
+                     aLength,
+                     aOffset,
+                     aScanLength,
+                     aSize
+                 );
+
+    ASSERT(error == KErrNone);
+}
+
+TBool CLcdImage::DetectCollision
+(
+    const TRect&        aRect1,
+    TInt                aTransform1,
+    const TPoint&       aPoint1,
+    const CLcdImage&    aImage2,
+    const TRect&        aRect2,
+    TInt                aTransform2,
+    const TPoint&       aPoint2
+)
+{
+    TTransparency transparency1 = iTransparency;
+    CFbsBitmap* alphaBitmap1 = iFbsImage->AlphaBitmap();
+    if (transparency1 == ETransparencyAlphaChannel || transparency1 == ETransparencyMaskChannel)
+    {
+        alphaBitmap1 = iFbsImage->ColorBitmap();
+    }
+
+    TTransparency transparency2 = aImage2.iTransparency;
+    CFbsBitmap* alphaBitmap2 = aImage2.iFbsImage->AlphaBitmap();
+    if (transparency2 == ETransparencyAlphaChannel || transparency2 == ETransparencyMaskChannel)
+    {
+        alphaBitmap2 = aImage2.iFbsImage->ColorBitmap();
+    }
+
+    return TFbsLcdGraphics::DetectCollision
+           (
+               iDriver,
+               alphaBitmap1,
+               iTransparency,
+               Size(),
+               aRect1,
+               aTransform1,
+               aPoint1,
+               alphaBitmap2,
+               aImage2.Transparency(),
+               aImage2.Size(),
+               aRect2,
+               aTransform2,
+               aPoint2
+           );
+}
+
+
+void CLcdImage::Lock(TBitmapLockCount& aCount, TAcceleratedBitmapInfo& aColorBitmap, TAcceleratedBitmapInfo& aAlphaBitmap) const
+{
+    CFbsBitmap* colorBitmap = iFbsImage->ColorBitmap();
+    CFbsBitmap* alphaBitmap = iFbsImage->AlphaBitmap();
+
+    TAcceleratedBitmapSpec color(colorBitmap);
+    TAcceleratedBitmapSpec alpha;
+    if (alphaBitmap)
+    {
+        alpha = TAcceleratedBitmapSpec(alphaBitmap);
+    }
+
+    color.Lock(aCount);
+    color.GetInfo(aColorBitmap);
+    if (alphaBitmap)
+    {
+        alpha.Lock(aCount);
+        alpha.GetInfo(aAlphaBitmap);
+    }
+    else
+    {
+        Mem::FillZ(&aAlphaBitmap, sizeof(TAcceleratedBitmapInfo));
+    }
+}
+
+void CLcdImage::Unlock(TBitmapLockCount& aCount) const
+{
+    CFbsBitmap* colorBitmap = iFbsImage->ColorBitmap();
+    CFbsBitmap* alphaBitmap = iFbsImage->AlphaBitmap();
+
+    if (alphaBitmap)
+    {
+        TAcceleratedBitmapSpec alpha(alphaBitmap);
+        alpha.Unlock(aCount);
+    }
+
+    TAcceleratedBitmapSpec color(colorBitmap);
+    color.Unlock(aCount);
+}
+
+TBool CLcdImage::Mutable()
+{
+    return iMutable;
+}
+
+/**
+ * Temporary
+ */
+CLcdFbsImage* CLcdImage::FbsImage()
+{
+    return iFbsImage;
+}
+
+TInt CLcdImage::SetImageType(const TImageType& aType)
+{
+    //
+    // We only support changing from no-transparency images.
+    //
+    if (iTransparency != ETransparencyNone)
+    {
+        return KErrNotSupported;
+    }
+
+    ASSERT(NULL == iFbsImage->AlphaBitmap());
+
+    CFbsBitmap* colorBitmap = iFbsImage->ColorBitmap();
+    TDisplayMode colorMode  = colorBitmap->DisplayMode();
+
+    TInt err = KErrNotSupported;
+    if ((colorMode == aType.iColorMode) && (aType.iTransparency == ETransparencyAlphaBitmap))
+    {
+        //
+        // We are just adding an alpha bitmap.
+        //
+        TRAP(err, iFbsImage->CreateAlphaBitmapL());
+    }
+    else if ((colorMode == EColor16MU) && (aType.iColorMode == EColor16MA) && (aType.iTransparency == ETransparencyAlphaChannel))
+    {
+        //
+        // Switch from EColor16MU to EColor16MA mode.
+        //
+        err = colorBitmap->SetDisplayMode(EColor16MA);
+    }
+
+    if (0 == err)
+    {
+        iTransparency = aType.iTransparency;
+    }
+
+    return err;
+}