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1 /* |
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2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Music Player now playing widget. |
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15 * |
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16 */ |
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17 |
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18 #include <QPainter> |
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19 #include <QImage> |
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20 #include <qgraphicsview.h> |
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21 |
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22 #include "mpsnapshotwidget.h" |
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23 #include "mptrace.h" |
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24 |
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25 /*! |
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26 \class MpSnapshotWidget |
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27 \brief Custom HB widget that grabs a snapshot of the graphics view. |
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28 |
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29 This widget grabs a snapshot of the graphics view so it can be drawn as |
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30 a decoy for transitios or fast ui response simulation. |
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31 */ |
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32 |
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33 |
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34 /*! |
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35 Constructs the snapshot widget. |
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36 */ |
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37 MpSnapshotWidget::MpSnapshotWidget( QGraphicsItem *parent ) |
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38 : HbWidget(parent), |
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39 mSnapshot(0) |
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40 { |
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41 TX_ENTRY_ARGS( " Parent=" << (void *)parent ) |
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42 TX_EXIT |
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43 } |
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44 |
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45 /*! |
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46 Destructs the snapshot widget. |
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47 */ |
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48 MpSnapshotWidget::~MpSnapshotWidget() |
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49 { |
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50 TX_ENTRY |
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51 if (mSnapshot) |
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52 delete mSnapshot; |
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53 TX_EXIT |
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54 } |
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55 |
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56 /*! |
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57 Takes a snapshot of an \a item within \a graphicsView, also sets its position |
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58 and geometry so it can be used as a decoy for that itme. |
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59 */ |
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60 void MpSnapshotWidget::capture(QGraphicsView *graphicsView, QGraphicsItem *item) |
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61 { |
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62 TX_ENTRY |
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63 if (mSnapshot){ |
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64 delete mSnapshot; |
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65 mSnapshot = 0; |
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66 } |
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67 setGeometry(QRect(QPoint(0,0),item->sceneBoundingRect().toRect().size())); |
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68 setPos(item->sceneBoundingRect().toRect().topLeft()); |
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69 mSnapshot = new QImage( |
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70 item->sceneBoundingRect().toRect().size() , |
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71 QImage::Format_ARGB32_Premultiplied); |
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72 QPainter p( mSnapshot); |
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73 graphicsView->render( &p, rect(), item->sceneBoundingRect().toRect()); |
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74 TX_EXIT |
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75 } |
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76 |
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77 /*! |
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78 \reimp |
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79 */ |
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80 void MpSnapshotWidget::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) |
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81 { |
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82 TX_ENTRY |
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83 Q_UNUSED(widget) |
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84 Q_UNUSED(option) |
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85 if (mSnapshot) { |
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86 painter->drawImage( rect(), *mSnapshot ); |
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87 } |
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88 TX_EXIT |
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89 } |