Qt 波形图表，简单的qt中demo吧，比较简单

/**************************************************************************** ** Meta object code from reading C++ file 'collectiondata.h' ** ** Created by: The Qt Meta Object Compiler version 67 (Qt 5.14.1) ** ** WARNING! All changes made in this file will be lost! *****************************************************************************/ #include <memory> #include "../collectiondata.h" #include <QtCore/qbytearray.h> #include <QtCore/qmetatype.h> #include <QtCore/QVector> #if !defined(Q_MOC_OUTPUT_REVISION) #error "The header file 'collectiondata.h' doesn't include <QObject>." #elif Q_MOC_OUTPUT_REVISION != 67 #error "This file was generated using the moc from 5.14.1. It" #error "cannot be used with the include files from this version of Qt." #error "(The moc has changed too much.)" #endif QT_BEGIN_MOC_NAMESPACE QT_WARNING_PUSH QT_WARNING_DISABLE_DEPRECATED struct qt_meta_stringdata_CollectionData_t { QByteArrayData data[7]; char stringdata0[80]; }; #define QT_MOC_LITERAL(idx, ofs, len) \ Q_STATIC_BYTE_ARRAY_DATA_HEADER_INITIALIZER_WITH_OFFSET(len, \ qptrdiff(offsetof(qt_meta_stringdata_CollectionData_t, stringdata0) + ofs \ - idx * sizeof(QByteArrayData)) \ ) static const qt_meta_stringdata_CollectionData_t qt_meta_stringdata_CollectionData = { { QT_MOC_LITERAL(0, 0, 14), // "CollectionData" QT_MOC_LITERAL(1, 15, 9), // "startInit" QT_MOC_LITERAL(2, 25, 0), // "" QT_MOC_LITERAL(3, 26, 10), // "sendSeries" QT_MOC_LITERAL(4, 37, 16), // "QVector<QPointF>" QT_MOC_LITERAL(5, 54, 13), // "slotStartInit" QT_MOC_LITERAL(6, 68, 11) // "processData" }, "CollectionData\0startInit\0\0sendSeries\0" "QVector<QPointF>\0slotStartInit\0" "processData" }; #undef QT_MOC_LITERAL static const uint qt_meta_data_CollectionData[] = { // content: 8, // revision 0, // classname 0, 0, // classinfo 4, 14, // methods 0, 0, // properties 0, 0, // enums/sets 0, 0, // constructors 0, // flags 2, // signalCount // signals: name, argc, parameters, tag, flags 1, 0, 34, 2, 0x06 /* Public */, 3, 1, 35, 2, 0x06 /* Public */, // slots: name, argc, parameters, tag, flags 5, 0, 38, 2, 0x0a /* Public */, 6, 0, 39, 2, 0x0a /* Public */, // signals: parameters QMetaType::Void, QMetaType::Void, 0x80000000 | 4, 2, // slots: parameters QMetaType::Void, QMetaType::Void, 0 // eod }; void CollectionData::qt_static_metacall(QObject *_o, QMetaObject::Call _c, int _id, void **_a) { if (_c == QMetaObject::InvokeMetaMethod) { auto *_t = static_cast<CollectionData *>(_o); Q_UNUSED(_t) switch (_id) { case 0: _t->startInit(); break; case 1: _t->sendSeries((*reinterpret_cast< QVector<QPointF>(*)>(_a[1]))); break; case 2: _t->slotStartInit(); break; case 3: _t->processData(); break; default: ; } } else if (_c == QMetaObject::RegisterMethodArgumentMetaType) { switch (_id) { default: *reinterpret_cast<int*>(_a[0]) = -1; break; case 1: switch (*reinterpret_cast<int*>(_a[1])) { default: *reinterpret_cast<int*>(_a[0]) = -1; break; case 0: *reinterpret_cast<int*>(_a[0]) = qRegisterMetaType< QVector<QPointF> >(); break; } break; } } else if (_c == QMetaObject::IndexOfMethod) { int *result = reinterpret_cast<int *>(_a[0]); { using _t = void (CollectionData::*)(); if (*reinterpret_cast<_t *>(_a[1]) == static_cast<_t>(&CollectionData::startInit)) { *result = 0; return; } } { using _t = void (CollectionData::*)(QVector<QPointF> ); if (*reinterpret_cast<_t *>(_a[1]) == static_cast<_t>(&CollectionData::sendSeries)) { *result = 1; return; } } } } QT_INIT_METAOBJECT const QMetaObject CollectionData::staticMetaObject = { { QMetaObject::SuperData::link<QObject::staticMetaObject>(), qt_meta_stringdata_CollectionData.data, qt_meta_data_CollectionData, qt_static_metacall, nullptr, nullptr } }; const QMetaObject *CollectionData::metaObject() const { return QObject::d_ptr->metaObject ? QObject::d_ptr->dynamicMetaObject() : &staticMetaObject; } void *CollectionData::qt_metacast(const char *_clname) { if (!_clname) return nullptr; if (!strcmp(_clname, qt_meta_stringdata_CollectionData.stringdata0)) return static_cast<void*>(this); return QObject::qt_metacast(_clname); } int CollectionData::qt_metacall(QMetaObject::Call _c, int _id, void **_a) { _id = QObject::qt_metacall(_c, _id, _a); if (_id < 0) return _id; if (_c == QMetaObject::InvokeMetaMethod) { if (_id < 4) qt_static_metacall(this, _c, _id, _a); _id -= 4; } else if (_c == QMetaObject::RegisterMethodArgumentMetaType) { if (_id < 4) qt_static_metacall(this, _c, _id, _a); _id -= 4; } return _id; } // SIGNAL 0 void CollectionData::startInit() { QMetaObject::activate(this, &staticMetaObject, 0, nullptr); } // SIGNAL 1 void CollectionData::sendSeries(QVector<QPointF> _t1) { void *_a[] = { nullptr, const_cast<void*>(reinterpret_cast<const void*>(std::addressof(_t1))) }; QMetaObject::activate(this, &staticMetaObject, 1, _a); } QT_WARNING_POP QT_END_MOC_NAMESPACE