add wireframe paint option,

write file information on the screen,
bug fixes

QtMeshViewer/Header/MainWindow.h

@@ -1,8 +1,10 @@
 #pragma once
 
 #include <QtWidgets/QMainWindow>
+#include <qwidget.h>
 #include <QByteArray>
 #include <QStringList>
+#include <QLabel>
 #include "ui_MainWindow.h"
 
 struct Material;
@@ -20,7 +22,7 @@ private:
 	int m_curSeverity;
 	void setupWidgets();
 	QByteArray m_fileInfo;
-	
+	QLabel* m_output;
 
 private:
 	void openFile();
@@ -28,6 +30,9 @@ private:
 	void aboutTool();
 	void takeScreenShot();
 
+protected:
+	virtual void resizeEvent(QResizeEvent * e) Q_DECL_OVERRIDE;
+
 public slots:
 	void printMessage(QString message, int severity);
 	void setFileInfo(QString name, QVector<Material>* materials, int vertices, int triangle);