gsl-shell.git - gsl-shell

diff --git a/agg-plot/utils.h b/agg-plot/utils.h
index 311ca5c0..d90febf6 100644
--- a/agg-plot/utils.h
+++ b/agg-plot/utils.h

@@ -2,6 +2,7 @@

#define AGGPLOT_UTILS_H

#include "agg_trans_affine.h"

+#include "agg_array.h"

#ifdef min

#undef min

@@ -24,6 +25,29 @@ T max(T a, T b)

return (a > b) ? a : b;

};

+template <class T>

+class ptr_list {

+public:

+ ~ptr_list() { clear(); }

+

+ void add(T* p) { m_list.add(p); }

+

+ T* operator [] (unsigned k) const { return m_list[k]; }

+

+ unsigned size() const { return m_list.size(); }

+

+ void clear()

+ {

+ unsigned n = m_list.size();

+ for (unsigned k = 0; k < n; k++)

+ delete m_list[k];

+ m_list.clear();

+ }

+

+private:

+ agg::pod_bvector<T*> m_list;

+};

+

extern void trans_affine_compose (agg::trans_affine& a,

const agg::trans_affine& b);