新增qwt源码版本

qwtdemo/examples/legends/main.cpp

@@ -0,0 +1,14 @@
+#include <qapplication.h>
+#include "mainwindow.h"
+
+int main ( int argc, char **argv )
+{
+    QApplication a( argc, argv );
+    a.setStyle( "Windows" );
+
+    MainWindow w;
+    w.resize( 700, 500 );
+    w.show();
+
+    return a.exec();
+}