--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/photosgallery/viewframework/layouts/src/glxzoomlayoutbase.cpp	Thu Dec 17 08:45:44 2009 +0200
@@ -0,0 +1,133 @@
+/*
+* Copyright (c) 2008-2009 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:    Implementation of TGlxZoomLayoutBase
+*
+*/
+
+
+
+
+// INCLUDE FILES
+
+#include "glxzoomlayoutbase.h"
+
+#include <alf/alftimedvalue.h>
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// C++ default constructor can NOT contain any code, that might leave.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C TGlxZoomLayoutBase::TGlxZoomLayoutBase()
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// Destructor
+// -----------------------------------------------------------------------------
+//
+EXPORT_C TGlxZoomLayoutBase::~TGlxZoomLayoutBase()
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// SetImageDimensions
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void TGlxZoomLayoutBase::SetImageDimensions(const TSize& aDimensions)
+    {
+    iImageDimensions = aDimensions;
+    iChanged = ETrue;
+    }
+
+// -----------------------------------------------------------------------------
+// ImageDimensions
+// -----------------------------------------------------------------------------
+//
+EXPORT_C const TSize& TGlxZoomLayoutBase::ImageDimensions() const
+    {
+    return iImageDimensions;
+    }
+
+// -----------------------------------------------------------------------------
+// DoSetLayoutValues
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void TGlxZoomLayoutBase::DoSetLayoutValues(TGlxLayoutInfo& aInfo)
+    {
+    TAlfRealRect rect;
+    GetCurrentCoords(rect);
+
+    // These checks on iImageDimensions width/height must occur after GetCurrentCoords,
+  /*  // since they may be changed as a result of the call to GetCurrentCoords
+    if ( iImageDimensions.iWidth > 0 && iImageDimensions.iHeight > 0 )
+        {
+        // The previous layout in the chain has set the position and size for
+        // the visual to fill the screen, so we base the values on that.
+
+        // Now adjust according to zoom coordinates
+        TAlfRealPoint centre = rect.Center();        
+        TReal32 width = aInfo.iScreenSize.iX * rect.Width();
+        TReal32 height = aInfo.iScreenSize.iY * rect.Height();
+
+        // Adjust size according to proportion of screen that image fills
+        // Account for TGlxRotationLayout swapping width and height
+        TAlfRealSize imageSize(iImageDimensions);
+        TAlfRealSize screenSize(aInfo.ScreenInfo()->iWidth,
+                                aInfo.ScreenInfo()->iHeight);
+        if ( screenSize.iHeight * imageSize.iWidth
+                < imageSize.iHeight * screenSize.iWidth )
+            {
+            // Screen has wider aspect than image
+            TReal32 sizeRatioX = (screenSize.iHeight * imageSize.iWidth)
+                                / (screenSize.iWidth * imageSize.iHeight);
+            if ( aInfo.iRotation )
+                {
+                // Rotated
+                height *= sizeRatioX;
+                }
+            else
+                {
+                // Normal
+                width *= sizeRatioX;
+                }
+            }
+        else
+            {
+            // Screen has taller aspect than image
+            TReal32 sizeRatioY = (screenSize.iWidth * imageSize.iHeight)
+                                / (screenSize.iHeight * imageSize.iWidth);
+            if ( aInfo.iRotation )
+                {
+                // Rotated
+                width *= sizeRatioY;
+                }
+            else
+                {
+                // Normal
+                height *= sizeRatioY;
+                }
+            }
+
+        aInfo.iPosition.iX += centre.iX * aInfo.iSize.iX;
+        aInfo.iPosition.iY += centre.iY * aInfo.iSize.iY;
+        aInfo.iSize.iX = width;
+        aInfo.iSize.iY = height;
+        }
+*/
+    }
+
+
+//  End of File