1 /*

     2 * Copyright (c) 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:

    15 *

    16 */

    17 #include "tsenv.h"

    18 

    19 const int thumbnailWidth(128);

    20 const int thumbnailHeight(128);

    21 

    22 void TsEnv::createThumbnail(const QPixmap& source, 

    23                             int angle, 

    24                             const void* userData)

    25 {

    26     try {

    27     QPixmap thumbnailSource;

    28     const Qt::Axis rotationAxis(Qt::ZAxis); 

    29     if ( 270 <= angle ) {

    30         thumbnailSource = source.transformed(QTransform().rotate(270.0f, 

    31                                                                  rotationAxis),

    32                                              Qt::SmoothTransformation);

    33     } else if( 180 <= angle ) {

    34         thumbnailSource = source.transformed(QTransform().rotate(180.0f, 

    35                                                                  rotationAxis),

    36                                              Qt::SmoothTransformation);

    37     } else if( 90 <= angle ) {

    38         thumbnailSource = source.transformed(QTransform().rotate(90.0f, 

    39                                                                  rotationAxis),

    40                                              Qt::SmoothTransformation);

    41     } else {

    42         thumbnailSource = source;

    43     }

    44     const QRect expectedRect(0, 0, thumbnailWidth, thumbnailHeight);

    45     const QPixmap thumbanail(thumbnailSource.scaled(expectedRect.size(), 

    46                                                     Qt::KeepAspectRatioByExpanding,

    47                                                     Qt::SmoothTransformation));

    48     emit thumbnailCreated(thumbanail.copy(expectedRect), userData);

    49     } catch (...) {

    50     }

    51 }