--- a/scrsaver/scrsaverplugins/SlideshowPlugin/src/SlideshowSlideLoader.cpp	Mon Jan 18 20:19:52 2010 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,286 +0,0 @@
-/*
-* 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:   Loads a slide from file
-*
-*/
-
-
-
-//  INCLUDES
-#include "SlideshowPluginUtils.h"
-#include "SlideshowSlideLoader.h"
-
-// ---------------------------------------------------------------------------
-// DivAndRoundUp
-// ---------------------------------------------------------------------------
-//
-TInt DivAndRoundUp(const TInt aNumber, const TInt aDivider)
-    {
-    TInt result = aNumber / aDivider;
-
-    if (aNumber % aDivider)
-        {
-        result += 1;
-        }
-    
-    return result;
-    }
-
-// ---------------------------------------------------------------------------
-// CSlideshowSlideLoader::NewL
-// ---------------------------------------------------------------------------
-//
-CSlideshowSlideLoader* CSlideshowSlideLoader::NewL(CSlideshowSlide *aSlide)
-	{
-	CSlideshowSlideLoader * self = new (ELeave)CSlideshowSlideLoader(aSlide);
-	CleanupStack::PushL(self);
-	self->ConstructL();
-	CleanupStack::Pop(self);
-	return self;
-	}
-
-// ---------------------------------------------------------------------------
-// CSlideshowSlideLoader::ConstructL
-// ---------------------------------------------------------------------------
-//
-void CSlideshowSlideLoader::ConstructL()
-	{
-	// Add this object to active scheduler
-	CActiveScheduler::Add(this);
-	}
-
-// ---------------------------------------------------------------------------
-// CSlideshowSlideLoader::CSlideshowSlideLoader
-// ---------------------------------------------------------------------------
-//
-CSlideshowSlideLoader::CSlideshowSlideLoader(CSlideshowSlide *aSlide)
-	: CActive(CActive::EPriorityStandard),iSlide(aSlide)
-	{
-	// Empty
-	}
-
-// ---------------------------------------------------------------------------
-// CSlideshowSlideLoader::~CSlideshowSlideLoader
-// ---------------------------------------------------------------------------
-//
-CSlideshowSlideLoader::~CSlideshowSlideLoader()
-	{
-	if(IsActive())
-		{
-		Cancel();
-		}
-	
-	}
-
-// ---------------------------------------------------------------------------
-// CSlideshowSlideLoader::DeleteDecoder
-// ---------------------------------------------------------------------------
-//
-void CSlideshowSlideLoader::DeleteDecoder()
-	{
-	if(iDecoder)
-		{
-		delete iDecoder;
-		iDecoder = NULL;
-		}
-	
-	}
-
-// ---------------------------------------------------------------------------
-// CSlideshowSlideLoader::DoCancel
-// ---------------------------------------------------------------------------
-//
-void CSlideshowSlideLoader::DoCancel()
-	{
-	iDecoder->Cancel();
-	DeleteDecoder();
-	// delete the image
-	if(iSlide->iImage)
-		{
-		delete iSlide->iImage;
-		iSlide->iImage = NULL;
-		}
-	}
-
-// ---------------------------------------------------------------------------
-// CSlideshowSlideLoader::RunL
-// ---------------------------------------------------------------------------
-//
-void CSlideshowSlideLoader::RunL()
-	{
-	// delete the decoder to save some memory.
-	DeleteDecoder();
-	if(iStatus != KErrNone)
-		{
-		iSlide->ReleaseImage();
-		// SSS_DECODEFAILED says that Image could not be decoded. Corrupted image.
-		(iSlide->iFlags) |= SSS_DECODEFAILED;
-		return;
-		}
-	
-	// Image loaded, size scaled down while loading. Find out, if the
-    // image still needs to be scaled smaller to fit the screen
-	
-    TReal aspectRatio = (TReal) iBitmapsize.iWidth / (TReal) iBitmapsize.iHeight;
-
-    if ((iBitmapsize.iWidth <= iTargetSize.iWidth) &&
-        (iBitmapsize.iHeight <= iTargetSize.iHeight))
-        {
-        // Fits completely - finish
-        SSPLOGGER_WRITE("No resize needed");
-        
-        // Compress the heap after imageconversion as
-        // imagedecoder seems to leave heap uncompressed
-        User::Heap().Compress();
-        (iSlide->iFlags) |= SSS_IMAGELOADED;
-    	return;
-        }
-
-    // Figure out which dimension needs most scaling
-    TReal xFactor = (TReal) iTargetSize.iWidth / (TReal) iBitmapsize.iWidth;
-    TReal yFactor = (TReal) iTargetSize.iHeight / (TReal) iBitmapsize.iHeight;
-
-    // Start with target (screen) size
-    TSize finalSize = iTargetSize;
-            
-    if (xFactor <= yFactor)
-        {
-        // X-dimension needs most scaling - fit to x, re-calc y
-        finalSize.iHeight = (TInt) ((TReal) finalSize.iWidth / aspectRatio);
-        }
-    else
-        {
-        // Y-dimension needs most scaling - fit to y, re-calc x
-        finalSize.iWidth = (TInt) ((TReal) finalSize.iHeight * aspectRatio);
-        }
-
-    SSPLOGGER_WRITEF(_L("SSP: Final size (%d, %d)"),
-                     finalSize.iWidth, finalSize.iHeight);
-    
-    // Create a final bitmap with the final size, and draw to it
-    CFbsBitmap* finalBmp = new (ELeave) CFbsBitmap;
-    CleanupStack::PushL(finalBmp);
-    User::LeaveIfError(finalBmp->Create(finalSize, (iSlide->iImage)->DisplayMode()));
-    
-    CFbsBitmapDevice* bmpDev = CFbsBitmapDevice::NewL(finalBmp);
-    CleanupStack::PushL(bmpDev);
-    
-    CFbsBitGc* bmpCxt;
-    User::LeaveIfError(bmpDev->CreateContext(bmpCxt));
-    CleanupStack::PushL(bmpCxt);
-    bmpCxt->DrawBitmap(TRect(0, 0, finalSize.iWidth, finalSize.iHeight),
-    					(iSlide->iImage),
-    					TRect(0, 0, iBitmapsize.iWidth, iBitmapsize.iHeight));
-    
-    CleanupStack::PopAndDestroy(2); // bmpDev, bmpCxt
-    // Return the result in the original bitmap parameter
-    (iSlide->iImage)->Reset();
-    
-    User::LeaveIfError((iSlide->iImage)->Duplicate(finalBmp->Handle()));
-    CleanupStack::PopAndDestroy(finalBmp);
-    // Compress the heap after imageconversion as
-    // imagedecoder seems to leave heap uncompressed
-    User::Heap().Compress();
-    (iSlide->iFlags) |= SSS_IMAGELOADED;
-	return;
-	}
-
-// ---------------------------------------------------------------------------
-// CSlideshowSlideLoader::LoadSlideL
-// ---------------------------------------------------------------------------
-//
-void CSlideshowSlideLoader::LoadSlideL(
-    const TDesC& aFilename, const TSize& aTargetSize)
-    {
-   
-    iTargetSize = aTargetSize;
-    RFs filesys;
-    User::LeaveIfError(filesys.Connect());
-    CleanupClosePushL(filesys);
-    // this line can leave if decoder is not found..need to cacth this.
-    iDecoder = CImageDecoder::FileNewL(filesys, aFilename, ContentAccess::EView,CImageDecoder::EOptionAlwaysThread);
-    if (aTargetSize == TSize(-1,-1))
-        {
-        CleanupStack::PopAndDestroy(&filesys); 
-        iDecoder = NULL;
-        return;
-        }
-
-    // Get image information
-    TFrameInfo frameinfo = iDecoder->FrameInfo();
-    TDisplayMode mode;
-
-    // Tone down colors if possible (saves memory)
-    if (frameinfo.iFlags & TFrameInfo::ECanDither)
-        {
-        mode = EColor64K;
-        }
-    else
-        {
-        mode = frameinfo.iFrameDisplayMode;
-        }
-    
-    // Find out if the image can be downscaled during loading
-    iBitmapsize = frameinfo.iOverallSizeInPixels;
-
-      
-    if ((iBitmapsize.iWidth  >= aTargetSize.iWidth * 2) &&
-        (iBitmapsize.iHeight >= aTargetSize.iHeight * 2))
-        {
-        // 1/2 size
-        iBitmapsize.iWidth = DivAndRoundUp(frameinfo.iOverallSizeInPixels.iWidth, 2);
-        iBitmapsize.iHeight = DivAndRoundUp(frameinfo.iOverallSizeInPixels.iHeight, 2);
-        
-        if ((iBitmapsize.iWidth  >= aTargetSize.iWidth * 2) &&
-            (iBitmapsize.iHeight >= aTargetSize.iHeight * 2))
-            {
-            // 1/4 size
-            iBitmapsize.iWidth = DivAndRoundUp(frameinfo.iOverallSizeInPixels.iWidth, 4);
-            iBitmapsize.iHeight = DivAndRoundUp(frameinfo.iOverallSizeInPixels.iHeight, 4);
-            
-            if ((iBitmapsize.iWidth  >= aTargetSize.iWidth * 2) &&
-                (iBitmapsize.iHeight >= aTargetSize.iHeight * 2))
-                {
-                // 1/8 size
-                iBitmapsize.iWidth = DivAndRoundUp(frameinfo.iOverallSizeInPixels.iWidth, 8);
-                iBitmapsize.iHeight = DivAndRoundUp(frameinfo.iOverallSizeInPixels.iHeight, 8);
-                }
-            }
-        }
-
-    // Create a target bitmap
-    iSlide->iImage = new (ELeave) CFbsBitmap;
-    User::LeaveIfError((iSlide->iImage)->Create(iBitmapsize, mode));
-    // for filesys
-    CleanupStack::PopAndDestroy(&filesys);
-    
-    //Start decoding the image ...
-    // RunL method is called when decoding is done.
-    iDecoder->Convert(&iStatus, *(iSlide->iImage),0);  
-    SetActive();
- }
-
-// ---------------------------------------------------------------------------
-// CSlideshowSlideLoader::RunError
-// ---------------------------------------------------------------------------
-//
-TInt CSlideshowSlideLoader::RunError(TInt aError)
-	{
-	if (NULL != iSlide->iImage)
-		{
-		delete iSlide->iImage;
-		iSlide->iImage = NULL;
-		}
-	return aError;
-	}