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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
62QT_BEGIN_NAMESPACE
63
64class QIconPrivate
65{
66public:
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
84struct 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};
99Q_DECLARE_TYPEINFO(QPixmapIconEngineEntry, Q_MOVABLE_TYPE);
100
101inline 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(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
110class Q_GUI_EXPORT QPixmapIconEngine : public QIconEngine {
111public:
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 QList<QSize> availableSizes(QIcon::Mode mode, QIcon::State state) override;
120 void addPixmap(const QPixmap &pixmap, QIcon::Mode mode, QIcon::State state) override;
121 void addFile(const QString &fileName, const QSize &size, QIcon::Mode mode, QIcon::State state) override;
122
123 QString key() const override;
124 QIconEngine *clone() const override;
125 bool read(QDataStream &in) override;
126 bool write(QDataStream &out) const override;
127
128private:
129 QPixmapIconEngineEntry *tryMatch(const QSize &size, QIcon::Mode mode, QIcon::State state);
130 QList<QPixmapIconEngineEntry> pixmaps;
131
132 friend Q_GUI_EXPORT QDataStream &operator<<(QDataStream &s, const QIcon &icon);
133 friend class QIconThemeEngine;
134};
135
136QT_END_NAMESPACE
137#endif //QT_NO_ICON
138#endif // QICON_P_H
139