svgtviewer/SvgtViewerPlugin/UIControlSrc/SVGTThumbnailUtil.cpp
branchRCL_3
changeset 13 e52958d06c29
parent 10 1882882c7f9c
child 14 20b99a6d6175
--- a/svgtviewer/SvgtViewerPlugin/UIControlSrc/SVGTThumbnailUtil.cpp	Tue May 25 12:28:38 2010 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,303 +0,0 @@
-/*
-* Copyright (c) 2004,2005 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:  This file implements the SVGT Thumbnail functionality
-*                to display SVGT content
-*
-*/
-
-
-
-// INCLUDE FILES
-#include <AknIconUtils.h>
-#include <e32def.h>
-#include <e32base.h>
-#include <eikenv.h>
-#include <fbs.h>
-#include <gdi.h>
-#include <bautils.h>
-#include <SVGEngineInterfaceImpl.h>
-#include <data_caging_path_literals.hrh>
-
-// User Includes
-#include "SVGTUIControlDbgFlags.hrh"
-#include "SVGTThumbnailUtil.h"
-
-// Constants
-// General Constants
-const TInt KSccConstMinusOne = -1;
-const TInt KSccConstZero = 0;
-const TUint KSccBackground = 0xffffffff;
-
-
-// SMIL Fit Value
-_LIT( KSccSmilFitValue,"meet" );
-
-// ============================ MEMBER FUNCTIONS ===============================
-// -----------------------------------------------------------------------------
-// CSVGTThumbnailUtil::GenerateThumbnailLD
-// Generate thumbnails for SVGT content.
-// -----------------------------------------------------------------------------
-//
-EXPORT_C TBool CSVGTThumbnailUtil::GenerateThumbnailLD(
-    RFile& aFileHandle,                 // Filehandle of SVGT
-    CFbsBitmap& aThumbnailBitmap,       // Thumbnail Bitmap
-    CFbsBitmap& aThumbnailBitmapMask )  // BitMap mask    
-    {
-    CSVGTThumbnailUtil *tnUtilPtr = CSVGTThumbnailUtil::NewLC( aFileHandle, 
-            aThumbnailBitmap,
-            aThumbnailBitmapMask );
-    TBool retVal = tnUtilPtr->GenerateThumbnail();
-    CleanupStack::PopAndDestroy( tnUtilPtr );
-    return retVal;
-    }
-
-
-
-// -----------------------------------------------------------------------------
-// CSVGTThumbnailUtil::UpdateScreen
-// Implements MSvgRequestObserver::UpdateScreen.
-// -----------------------------------------------------------------------------
-//
-void CSVGTThumbnailUtil::UpdateScreen()
-    {
-    }
-
-// -----------------------------------------------------------------------------
-// CSVGTThumbnailUtil::ScriptCall
-// Implements MSvgRequestObserver::ScriptCall.
-// -----------------------------------------------------------------------------
-//
-TBool CSVGTThumbnailUtil::ScriptCall( const TDesC& /*aScript*/,
-                                  CSvgElementImpl* /*aCallerElement*/ )
-    {
-    return EFalse;
-    }
-
-
-// -----------------------------------------------------------------------------
-// CSVGTThumbnailUtil::FetchImage
-// Implements MSvgRequestObserver::FetchImage. Calls the application call
-// back corresponding to this function if exists, else returns EFalse
-// indicating to the engine that the image was not retrieved.
-// -----------------------------------------------------------------------------
-//     
-TInt  CSVGTThumbnailUtil::FetchImage( const TDesC& /*aUri*/, 
-             RFs& /*aSession*/, RFile& /*aFileHandle*/ )
-    {
-    return KErrNotFound;        
-    }
-
-TInt CSVGTThumbnailUtil::FetchFont( const TDesC& /* aUri */, 
-                                    RFs& /* aSession */, RFile& /* aFileHandle */ )
-    {
-    return KErrNotSupported;
-    }
-    
-// -----------------------------------------------------------------------------
-// CSVGTThumbnailUtil:: GetSmilFitValue
-// Implements the MSvgRequestObserver::GetSmilFitValue.
-// -----------------------------------------------------------------------------
-//
-void CSVGTThumbnailUtil::GetSmilFitValue( TDes& aSmilValue )
-    {
-    aSmilValue.Copy( KSccSmilFitValue );
-    }
-
-// -----------------------------------------------------------------------------
-// CSVGTThumbnailUtil::UpdatePresentation
-// Implements MSvgRequestObserver::UpdatePresentation.
-// -----------------------------------------------------------------------------
-//
-void  CSVGTThumbnailUtil::UpdatePresentation( const TInt32&  
-    /* aNoOfAnimation */ )
-    {
-    }
-
-// -----------------------------------------------------------------------------
-// CSVGTThumbnailUtil::InitializeEngineL
-// Initiliazes the interface with the SVG engine.
-// -----------------------------------------------------------------------------
-//
-void CSVGTThumbnailUtil::InitializeEngineL()
-    {
-    if ( !iSvgModule )
-       {
-       TFontSpec spec;
-
-       if ( !iSVGTBitMapDummy )
-           {
-           // For thumbnails, the user provided bitmap is used,
-           // Have to give some dummy bitmap to the engine in the constructor.
-           iSVGTBitMapDummy  = new( ELeave ) CFbsBitmap;
-           User::LeaveIfError( iSVGTBitMapDummy->Create(
-            TSize( KSccConstZero, KSccConstZero ), EGray2 ) );
-           }
-
-       iSvgModule = CSvgEngineInterfaceImpl::NewL( iSVGTBitMapDummy,
-               this, spec );
-       iSvgModule->SetBackgroundColor( KSccBackground );
-       }
-    }
-
-// -----------------------------------------------------------------------------
-// CSVGTThumbnailUtil::GenerateThumbnail
-// Helper function that generates Thumbnail for the SVG content.
-// -----------------------------------------------------------------------------
-//
-TBool CSVGTThumbnailUtil::GenerateThumbnail()
-    {
-    if ( iSvgModule )
-        {
-        MSvgError* result;
-        result = iSvgModule->PrepareDom( iContentFileHandle, iThumbnailHandle );
-
-        // NULL is returned, possible out of memory when create error object.
-        if ( ( !result ) || ( result->HasError() ) )
-            {
-            return EFalse;
-            }
-#ifdef SVGTUICONTROL_DBG_DRM_THUMBNAIL_API_ENABLE        
-        // Set thumbnail mode On
-        iSvgModule->SetThumbNailMode( ETrue );                          
-#endif // SVGTUICONTROL_DBG_DRM_THUMBNAIL_API_ENABLE
-
-        // Setup the engine to use the DOM
-        result = iSvgModule->UseDom( iThumbnailHandle, iThumbnailBitmap );
-        if ( result->HasError() && !result->IsWarning() )
-            {                
-            return EFalse;
-            }
-
-        // View Box define for Dom associated frame
-        iSvgModule->ChooseViewBoxIfNotSet(iThumbnailHandle);
-        iSvgModule->InitializeEngine();
-        iSvgModule->RenderFrame( NULL, 0);
-
-        // Render the Mask Bitmap
-        iSvgModule->GenerateMask( iThumbnailBitmapMask );
-#ifdef SVGTUICONTROL_DBG_DRM_THUMBNAIL_API_ENABLE        
-        // Set thumbnail mode Off
-        iSvgModule->SetThumbNailMode( EFalse );            
-#endif // SVGTUICONTROL_DBG_DRM_THUMBNAIL_API_ENABLE
-
-        return ETrue;
-        }
-    else
-        {
-        return EFalse;
-        }
-        
-    }
-
-// -----------------------------------------------------------------------------
-// CSVGTThumbnailUtil::CSVGTThumbnailUtil
-// C++ default constructor.
-// -----------------------------------------------------------------------------
-//
-CSVGTThumbnailUtil::CSVGTThumbnailUtil( RFile& aFileHandle ) : 
-    // Thumbnail Variables
-    iThumbnailHandle( KSccConstMinusOne ),
-    iContentFileHandle( aFileHandle )
-{
-}
-
-// -----------------------------------------------------------------------------
-// CSVGTThumbnailUtil::ConstructL
-// Symbian 2nd phase constructor.
-// -----------------------------------------------------------------------------
-//
-void CSVGTThumbnailUtil::ConstructL(
-    CFbsBitmap& aThumbnailBitmap,     // Bitmap on which content is to be
-                                      // rendered
-    CFbsBitmap& aThumbnailBitmapMask )// Bitmap Mask
-    {
-    // Save the user parameters for later access.
-    iSvgModule = NULL;
-    iSVGTBitMapDummy = NULL;
-    iThumbnailBitmap = &aThumbnailBitmap;
-    iThumbnailBitmapMask = &aThumbnailBitmapMask;
-    InitializeEngineL();
-    }
-
-// -----------------------------------------------------------------------------
-// CSVGTThumbnailUtil::NewL
-// Factory function for creating CSVGTThumbnailUtil objects for thumbnail
-// generation.
-// Returns: CSVGTThumbnailUtil* ; Pointer to the created object.
-//          Leaves if error occurs during creation.
-// -----------------------------------------------------------------------------
-//
-CSVGTThumbnailUtil* CSVGTThumbnailUtil::NewL(
-    RFile& aFileHandle,               // File handle of SVGT Content
-    CFbsBitmap& aThumbnailBitmap,     // Bitmap on which content is to be
-                                      // rendered
-    CFbsBitmap& aThumbnailBitmapMask )// Bitmap Mask
-    {
-    CSVGTThumbnailUtil* self = CSVGTThumbnailUtil::NewLC( aFileHandle,
-                                                      aThumbnailBitmap,
-                                                      aThumbnailBitmapMask );
-    CleanupStack::Pop( self );
-    return self;
-    }
-
-// -----------------------------------------------------------------------------
-// CSVGTThumbnailUtil::NewLC
-// Factory function for creating CSVGTThumbnailUtil objects for thumbnail
-// generation.
-// Returns: CSVGTThumbnailUtil* ; Pointer to the created object.
-//          Leaves if error occurs during creation.
-// -----------------------------------------------------------------------------
-//
-CSVGTThumbnailUtil* CSVGTThumbnailUtil::NewLC(
-    RFile& aFileHandle,               // File Handle of SVGT Content
-    CFbsBitmap& aThumbnailBitmap,     // Bitmap on which content is to be
-                                      // rendered
-    CFbsBitmap& aThumbnailBitmapMask) // Bitmap Mask
-    {
-    CSVGTThumbnailUtil* self = new ( ELeave ) CSVGTThumbnailUtil( 
-        aFileHandle );
-    CleanupStack::PushL( self );
-    self->ConstructL( aThumbnailBitmap, aThumbnailBitmapMask );
-    return self;
-    }
-
-
-// -----------------------------------------------------------------------------
-// CSVGTThumbnailUtil::~CSVGTThumbnailUtil
-// Destructor
-// -----------------------------------------------------------------------------
-//
-CSVGTThumbnailUtil::~CSVGTThumbnailUtil()
-    {
-    if ( iThumbnailHandle != KSccConstMinusOne )
-        {
-        if ( iSvgModule )
-            {
-            iSvgModule->DeleteDom( iThumbnailHandle );            
-            }
-        }
-   
-    // Dummy bitmap
-    delete iSVGTBitMapDummy;
-    
-    // SVG Engine
-    delete iSvgModule;
-    
-    // Reset the Thumbnail and Mask as this is owned by the caller
-    iThumbnailBitmap = NULL;
-    iThumbnailBitmapMask = NULL;
-    }
-
-
-// End of File