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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
48QT_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
63class QStyle;
64
65class QStylePrivate: public QObjectPrivate
66{
67 Q_DECLARE_PUBLIC(QStyle)
68public:
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
106QT_END_NAMESPACE
107
108#endif //QSTYLE_P_H
109