Custom qrcode renderer to allow smooth resizing

src/qrcodelabel.h

@@ -0,0 +1,23 @@
+#ifndef QRCODELABEL_H
+#define QRCODELABEL_H
+
+#include "precompiled.h"
+
+class QRCodeLabel : public QLabel
+{
+    Q_OBJECT
+public:
+    explicit        QRCodeLabel(QWidget *parent = 0);
+    virtual QSize   sizeHint() const;
+    
+    void            setAddress(QString address);
+    QPixmap         scaledPixmap() const;
+public slots:    
+    void resizeEvent(QResizeEvent *);
+
+private:
+    QString address;
+};
+
+
+#endif // QRCODELABEL_H