修改适配非等宽字体的计数器

mainwidget.h

@@ -82,6 +82,9 @@ public:
     int imageToPrintData(QImage& img, int startX, int startY);
 
     void generateCharRamData();
+
+    void generateCharRamDataV2();
+
     void setRunStatus(QString str, bool enbRoll = true);
     void enablePrintButton(bool);
     int getCurrPrintStatus();