1 /*

     2 * Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  This abstract class implements MMMADisplayWindow functionality

    15 *                in CFbsBitmap based displays.

    16 *

    17 */

    18 

    19 

    20 //  Include Files

    21 #include <logger.h>

    22 #include <bitdev.h>

    23 #include "cmmaanimationwindow.h"

    24 

    25 // Destructor (virtual by CBase)

    26 CMMAAnimationWindow::~CMMAAnimationWindow()

    27 {

    28     delete iBitContext;

    29 }

    30 

    31 CMMAAnimationWindow* CMMAAnimationWindow::NewL(

    32     MMAFunctionServer* aEventSource)

    33 {

    34     CMMAAnimationWindow* self =

    35         new(ELeave)CMMAAnimationWindow(aEventSource);

    36     return self;

    37 }

    38 

    39 CMMAAnimationWindow::CMMAAnimationWindow(MMAFunctionServer* aEventSource):

    40         iEventSource(aEventSource)

    41 {

    42 }

    43 

    44 void CMMAAnimationWindow::SetViewer(MIHLImageViewer* aViewer)

    45 {

    46     iViewer = aViewer;

    47 }

    48 

    49 void CMMAAnimationWindow::SetDestinationBitmapL(CFbsBitmap* aBitmap)

    50 {

    51     CMMABitmapWindow::SetDestinationBitmapL(aBitmap);

    52     User::LeaveIfError(iBitmapDevice->CreateBitmapContext(iBitContext));

    53 }

    54 

    55 void CMMAAnimationWindow::DrawFrameL(const CFbsBitmap* aBitmap)

    56 {

    57     if (iBitmap)

    58     {

    59         iBitContext->BitBlt(iDrawRect.iTl, aBitmap);

    60     }

    61 }

    62 

    63 // Local wrapper function to SetDrawRect method

    64 LOCAL_C void StaticSetDrawRect(

    65     CMMAAnimationWindow* aWindow,

    66     const TRect* aRect)

    67 {

    68     aWindow->SetDrawRect(*aRect);

    69 }

    70 

    71 void CMMAAnimationWindow::SetDrawRect(const TRect& aRect)

    72 {

    73     iDrawRect = aRect;

    74     if (iViewer)

    75     {

    76         TReal zoomRatio = 1.0;

    77         if ((iViewer->SourceSize().iWidth - aRect.Width()) >

    78                 (iViewer->SourceSize().iHeight - aRect.Height()))

    79         {

    80             // calculate zoom ratio from width

    81             zoomRatio = (TReal)aRect.Width() / (TReal)iViewer->SourceSize().iWidth;

    82         }

    83         else

    84         {

    85             // calculate zoom ratio from height

    86             zoomRatio = (TReal)aRect.Height() / (TReal)iViewer->SourceSize().iHeight;

    87         }

    88 

    89         iViewer->SetViewerSize(iDrawRect.Size());

    90         iViewer->SetZoomRatio(zoomRatio);

    91     }

    92 }

    93 

    94 void CMMAAnimationWindow::SetDrawRectThread(const TRect& aRect)

    95 {

    96     iEventSource->ExecuteV(&StaticSetDrawRect,

    97                            this,

    98                            &aRect);

    99 }

   100 

   101 //  END OF FILE