摘要:
// 读图片QImageReader reader(fileName); reader.setAutoTransform(true); const QImage newImage = reader.read(); if (newImage.isNull()) { return false; } // 阅读全文
摘要:
class DigitalClock : public QLCDNumber { Q_OBJECT public: DigitalClock(QWidget *parent = nullptr); private slots: void showTime(); }; DigitalClock::Di 阅读全文
摘要:
class CodeEditor : public QPlainTextEdit { Q_OBJECT public: CodeEditor(QWidget *parent = nullptr); void lineNumberAreaPaintEvent(QPaintEvent *event); 阅读全文