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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 QSTYLE_P_H |
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43 #define QSTYLE_P_H |
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44 |
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45 #include "private/qobject_p.h" |
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46 #include "private/qstylehelper_p.h" |
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47 #include <QtGui/qstyle.h> |
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48 |
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49 QT_BEGIN_NAMESPACE |
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50 |
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51 // |
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52 // W A R N I N G |
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53 // ------------- |
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54 // |
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55 // This file is not part of the Qt API. It exists for the convenience |
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56 // of qstyle_*.cpp. This header file may change from version to version |
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57 // without notice, or even be removed. |
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58 // |
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59 // We mean it. |
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60 // |
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61 |
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62 // Private class |
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63 |
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64 class QStyle; |
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65 |
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66 class QStylePrivate: public QObjectPrivate |
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67 { |
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68 Q_DECLARE_PUBLIC(QStyle) |
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69 public: |
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70 inline QStylePrivate() |
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71 : layoutSpacingIndex(-1), proxyStyle(0) {} |
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72 mutable int layoutSpacingIndex; |
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73 QStyle *proxyStyle; |
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74 }; |
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75 |
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76 |
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77 #define BEGIN_STYLE_PIXMAPCACHE(a) \ |
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78 QRect rect = option->rect; \ |
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79 QPixmap internalPixmapCache; \ |
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80 QImage imageCache; \ |
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81 QPainter *p = painter; \ |
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82 QString unique = QStyleHelper::uniqueName((a), option, option->rect.size()); \ |
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83 int txType = painter->deviceTransform().type() | painter->worldTransform().type(); \ |
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84 bool doPixmapCache = txType <= QTransform::TxTranslate; \ |
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85 if (doPixmapCache && QPixmapCache::find(unique, internalPixmapCache)) { \ |
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86 painter->drawPixmap(option->rect.topLeft(), internalPixmapCache); \ |
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87 } else { \ |
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88 if (doPixmapCache) { \ |
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89 rect.setRect(0, 0, option->rect.width(), option->rect.height()); \ |
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90 imageCache = QImage(option->rect.size(), QImage::Format_ARGB32_Premultiplied); \ |
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91 imageCache.fill(0); \ |
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92 p = new QPainter(&imageCache); \ |
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93 } |
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94 |
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95 |
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96 |
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97 #define END_STYLE_PIXMAPCACHE \ |
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98 if (doPixmapCache) { \ |
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99 p->end(); \ |
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100 delete p; \ |
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101 internalPixmapCache = QPixmap::fromImage(imageCache); \ |
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102 painter->drawPixmap(option->rect.topLeft(), internalPixmapCache); \ |
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103 QPixmapCache::insert(unique, internalPixmapCache); \ |
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104 } \ |
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105 } |
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106 |
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107 QT_END_NAMESPACE |
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108 |
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109 #endif //QSTYLE_P_H |