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1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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4 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
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6 ** |
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7 ** This file is part of the QtGui module of the Qt Toolkit. |
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8 ** |
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9 ** $QT_BEGIN_LICENSE:LGPL$ |
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10 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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15 ** |
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16 ** GNU Lesser General Public License Usage |
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17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
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18 ** General Public License version 2.1 as published by the Free Software |
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19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
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20 ** packaging of this file. Please review the following information to |
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21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
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22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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23 ** |
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24 ** In addition, as a special exception, Nokia gives you certain additional |
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25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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27 ** |
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28 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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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 ** |
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36 ** |
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37 ** |
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38 ** $QT_END_LICENSE$ |
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39 ** |
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40 ****************************************************************************/ |
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41 |
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42 #ifndef QPIXMAPCACHE_P_H |
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43 #define QPIXMAPCACHE_P_H |
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44 |
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45 // |
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46 // W A R N I N G |
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47 // ------------- |
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48 // |
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49 // This file is not part of the Qt API. This header |
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50 // file may change from version to version without notice, or even be removed. |
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51 // |
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52 // We mean it. |
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53 // |
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54 |
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55 #include "qpixmapcache.h" |
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56 #include "qpaintengine.h" |
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57 #include <private/qimage_p.h> |
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58 #include <private/qpixmap_raster_p.h> |
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59 #include "qcache.h" |
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60 |
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61 QT_BEGIN_NAMESPACE |
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62 |
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63 uint qHash(const QPixmapCache::Key &k); |
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64 |
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65 class QPixmapCache::KeyData |
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66 { |
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67 public: |
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68 KeyData() : isValid(true), key(0), ref(1) {} |
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69 KeyData(const KeyData &other) |
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70 : isValid(other.isValid), key(other.key), ref(1) {} |
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71 ~KeyData() {} |
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72 |
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73 bool isValid; |
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74 int key; |
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75 int ref; |
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76 }; |
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77 |
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78 // XXX: hw: is this a general concept we need to abstract? |
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79 class QPixmapCacheEntry : public QPixmap |
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80 { |
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81 public: |
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82 QPixmapCacheEntry(const QPixmapCache::Key &key, const QPixmap &pix) : QPixmap(pix), key(key) |
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83 { |
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84 if (data && data->classId() == QPixmapData::RasterClass) { |
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85 QRasterPixmapData *d = static_cast<QRasterPixmapData*>(data.data()); |
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86 if (!d->image.isNull() && d->image.d->paintEngine |
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87 && !d->image.d->paintEngine->isActive()) |
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88 { |
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89 delete d->image.d->paintEngine; |
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90 d->image.d->paintEngine = 0; |
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91 } |
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92 } |
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93 } |
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94 ~QPixmapCacheEntry(); |
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95 QPixmapCache::Key key; |
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96 }; |
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97 |
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98 QT_END_NAMESPACE |
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99 |
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100 #endif // QPIXMAPCACHE_P_H |