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// 读图片QImageReader reader(fileName); reader.setAutoTransform(true); const QImage newImage = reader.read(); if (newImage.isNull()) { return false; } // 阅读全文
posted @ 2021-12-26 16:16
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class DigitalClock : public QLCDNumber { Q_OBJECT public: DigitalClock(QWidget *parent = nullptr); private slots: void showTime(); }; DigitalClock::Di 阅读全文
posted @ 2021-12-26 15:45
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class CodeEditor : public QPlainTextEdit { Q_OBJECT public: CodeEditor(QWidget *parent = nullptr); void lineNumberAreaPaintEvent(QPaintEvent *event); 阅读全文
posted @ 2021-12-26 15:05
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