新增qwt源码版本

qwtdemo/examples/stockchart/plot.h

@@ -0,0 +1,24 @@
+#ifndef _PLOT_H_
+#define _PLOT_H_
+
+#include <qwt_plot.h>
+
+class Plot: public QwtPlot
+{
+    Q_OBJECT
+
+public:
+    Plot( QWidget * = NULL );
+
+public Q_SLOTS:
+    void setMode( int );
+    void exportPlot();
+
+private Q_SLOTS:
+    void showItem( QwtPlotItem *, bool on );
+
+private:
+    void populate();
+};
+
+#endif