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50
51#include <QQuickView>
52#include <QGuiApplication>
53#include <QQmlContext>
54#include <Qt3DRender/QAbstractTexture>
55
56template<typename Obj>
57QHash<int, QString> enumToNameMap(const char *enumName)
58{
59 const QMetaObject metaObj = Obj::staticMetaObject;
60 const int indexOfEnum = metaObj.indexOfEnumerator(name: enumName);
61 const QMetaEnum metaEnum = metaObj.enumerator(index: indexOfEnum);
62 const int keysCount = metaEnum.keyCount();
63
64 QHash<int, QString> v;
65 v.reserve(asize: keysCount);
66 for (int i = 0; i < keysCount; ++i)
67 v[metaEnum.value(index: i)] = metaEnum.key(index: i);
68 return v;
69}
70
71
72class EnumNameMapper : public QObject
73{
74 Q_OBJECT
75
76public:
77 Q_INVOKABLE QString statusName(int v) const { return m_statusMap.value(akey: v); }
78 Q_INVOKABLE QString formatName(int v) const { return m_formatMap.value(akey: v); }
79 Q_INVOKABLE QString targetName(int v) const { return m_targetMap.value(akey: v); }
80 Q_INVOKABLE QString handleTypeName(int v) const { return m_handleTypeMap.value(akey: v); }
81
82private:
83 const QHash<int, QString> m_statusMap = enumToNameMap<Qt3DRender::QAbstractTexture>(enumName: "Status");
84 const QHash<int, QString> m_formatMap = enumToNameMap<Qt3DRender::QAbstractTexture>(enumName: "TextureFormat");
85 const QHash<int, QString> m_targetMap = enumToNameMap<Qt3DRender::QAbstractTexture>(enumName: "Target");
86 const QHash<int, QString> m_handleTypeMap = enumToNameMap<Qt3DRender::QAbstractTexture>(enumName: "HandleType");
87};
88
89int main(int argc, char* argv[])
90{
91 QGuiApplication app(argc, argv);
92 QQuickView view;
93
94 QQmlContext *ctx =view.rootContext();
95 EnumNameMapper mapper;
96 ctx->setContextProperty(QStringLiteral("nameMapper"), &mapper);
97
98 view.setSource(QUrl("qrc:/main.qml"));
99 view.show();
100
101 return app.exec();
102}
103
104#include "main.moc"
105

source code of qt3d/tests/manual/texture_property_updates/main.cpp