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39 | |
40 | #ifndef QICON_P_H |
41 | #define QICON_P_H |
42 | |
43 | // |
44 | // W A R N I N G |
45 | // ------------- |
46 | // |
47 | // This file is not part of the Qt API. It exists purely as an |
48 | // implementation detail. This header file may change from version to |
49 | // version without notice, or even be removed. |
50 | // |
51 | // We mean it. |
52 | // |
53 | |
54 | #include <QtGui/private/qtguiglobal_p.h> |
55 | #include <QtCore/qsize.h> |
56 | #include <QtCore/qlist.h> |
57 | #include <QtGui/qpixmap.h> |
58 | #include <QtGui/qicon.h> |
59 | #include <QtGui/qiconengine.h> |
60 | |
61 | #ifndef QT_NO_ICON |
62 | QT_BEGIN_NAMESPACE |
63 | |
64 | class QIconPrivate |
65 | { |
66 | public: |
67 | explicit QIconPrivate(QIconEngine *e); |
68 | |
69 | ~QIconPrivate() { |
70 | delete engine; |
71 | } |
72 | |
73 | qreal pixmapDevicePixelRatio(qreal displayDevicePixelRatio, const QSize &requestedSize, const QSize &actualSize); |
74 | |
75 | QIconEngine *engine; |
76 | |
77 | QAtomicInt ref; |
78 | int serialNum; |
79 | int detach_no; |
80 | bool is_mask; |
81 | }; |
82 | |
83 | |
84 | struct QPixmapIconEngineEntry |
85 | { |
86 | QPixmapIconEngineEntry():mode(QIcon::Normal), state(QIcon::Off){} |
87 | QPixmapIconEngineEntry(const QPixmap &pm, QIcon::Mode m = QIcon::Normal, QIcon::State s = QIcon::Off) |
88 | :pixmap(pm), size(pm.size()), mode(m), state(s){} |
89 | QPixmapIconEngineEntry(const QString &file, const QSize &sz = QSize(), QIcon::Mode m = QIcon::Normal, QIcon::State s = QIcon::Off) |
90 | :fileName(file), size(sz), mode(m), state(s){} |
91 | QPixmapIconEngineEntry(const QString &file, const QImage &image, QIcon::Mode m = QIcon::Normal, QIcon::State s = QIcon::Off); |
92 | QPixmap pixmap; |
93 | QString fileName; |
94 | QSize size; |
95 | QIcon::Mode mode; |
96 | QIcon::State state; |
97 | bool isNull() const {return (fileName.isEmpty() && pixmap.isNull()); } |
98 | }; |
99 | Q_DECLARE_TYPEINFO(QPixmapIconEngineEntry, Q_MOVABLE_TYPE); |
100 | |
101 | inline QPixmapIconEngineEntry::QPixmapIconEngineEntry(const QString &file, const QImage &image, QIcon::Mode m, QIcon::State s) |
102 | : fileName(file), size(image.size()), mode(m), state(s) |
103 | { |
104 | pixmap.convertFromImage(img: image); |
105 | // Reset the devicePixelRatio. The pixmap may be loaded from a @2x file, |
106 | // but be used as a 1x pixmap by QIcon. |
107 | pixmap.setDevicePixelRatio(1.0); |
108 | } |
109 | |
110 | class Q_GUI_EXPORT QPixmapIconEngine : public QIconEngine { |
111 | public: |
112 | QPixmapIconEngine(); |
113 | QPixmapIconEngine(const QPixmapIconEngine &); |
114 | ~QPixmapIconEngine(); |
115 | void paint(QPainter *painter, const QRect &rect, QIcon::Mode mode, QIcon::State state) override; |
116 | QPixmap pixmap(const QSize &size, QIcon::Mode mode, QIcon::State state) override; |
117 | QPixmapIconEngineEntry *bestMatch(const QSize &size, QIcon::Mode mode, QIcon::State state, bool sizeOnly); |
118 | QSize actualSize(const QSize &size, QIcon::Mode mode, QIcon::State state) override; |
119 | void addPixmap(const QPixmap &pixmap, QIcon::Mode mode, QIcon::State state) override; |
120 | void addFile(const QString &fileName, const QSize &size, QIcon::Mode mode, QIcon::State state) override; |
121 | |
122 | QString key() const override; |
123 | QIconEngine *clone() const override; |
124 | bool read(QDataStream &in) override; |
125 | bool write(QDataStream &out) const override; |
126 | void virtual_hook(int id, void *data) override; |
127 | |
128 | private: |
129 | QPixmapIconEngineEntry *tryMatch(const QSize &size, QIcon::Mode mode, QIcon::State state); |
130 | QVector<QPixmapIconEngineEntry> pixmaps; |
131 | |
132 | friend Q_GUI_EXPORT QDataStream &operator<<(QDataStream &s, const QIcon &icon); |
133 | friend class QIconThemeEngine; |
134 | }; |
135 | |
136 | QT_END_NAMESPACE |
137 | #endif //QT_NO_ICON |
138 | #endif // QICON_P_H |
139 | |