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41 | |
42 | #ifndef QSTYLE_P_H |
43 | #define QSTYLE_P_H |
44 | |
45 | #include "private/qobject_p.h" |
46 | #include <QtGui/qstyle.h> |
47 | |
48 | QT_BEGIN_NAMESPACE |
49 | |
50 | // |
51 | // W A R N I N G |
52 | // ------------- |
53 | // |
54 | // This file is not part of the Qt API. It exists for the convenience |
55 | // of qstyle_*.cpp. This header file may change from version to version |
56 | // without notice, or even be removed. |
57 | // |
58 | // We mean it. |
59 | // |
60 | |
61 | // Private class |
62 | |
63 | class QStyle; |
64 | |
65 | class QStylePrivate: public QObjectPrivate |
66 | { |
67 | Q_DECLARE_PUBLIC(QStyle) |
68 | public: |
69 | inline QStylePrivate() |
70 | : layoutSpacingIndex(-1), proxyStyle(0) {} |
71 | mutable int layoutSpacingIndex; |
72 | QStyle *proxyStyle; |
73 | }; |
74 | |
75 | |
76 | #define BEGIN_STYLE_PIXMAPCACHE(a) \ |
77 | QRect rect = option->rect; \ |
78 | QPixmap internalPixmapCache; \ |
79 | QImage imageCache; \ |
80 | QPainter *p = painter; \ |
81 | QString unique = QStyleHelper::uniqueName((a), option, option->rect.size()); \ |
82 | int txType = painter->deviceTransform().type() | painter->worldTransform().type(); \ |
83 | bool doPixmapCache = txType <= QTransform::TxTranslate; \ |
84 | if (doPixmapCache && QPixmapCache::find(unique, internalPixmapCache)) { \ |
85 | painter->drawPixmap(option->rect.topLeft(), internalPixmapCache); \ |
86 | } else { \ |
87 | if (doPixmapCache) { \ |
88 | rect.setRect(0, 0, option->rect.width(), option->rect.height()); \ |
89 | imageCache = QImage(option->rect.size(), QImage::Format_ARGB32_Premultiplied); \ |
90 | imageCache.fill(0); \ |
91 | p = new QPainter(&imageCache); \ |
92 | } |
93 | |
94 | |
95 | |
96 | #define END_STYLE_PIXMAPCACHE \ |
97 | if (doPixmapCache) { \ |
98 | p->end(); \ |
99 | delete p; \ |
100 | internalPixmapCache = QPixmap::fromImage(imageCache); \ |
101 | painter->drawPixmap(option->rect.topLeft(), internalPixmapCache); \ |
102 | QPixmapCache::insert(unique, internalPixmapCache); \ |
103 | } \ |
104 | } |
105 | |
106 | QT_END_NAMESPACE |
107 | |
108 | #endif //QSTYLE_P_H |
109 | |