gsl-shell.git - gsl-shell

diff --git a/agg-plot/scalable.h b/agg-plot/scalable.h
index 30ee655d..2f0188ee 100644
--- a/agg-plot/scalable.h
+++ b/agg-plot/scalable.h

@@ -28,8 +28,8 @@ public:

virtual ~scalable() { };

};

-/* This class is basically a wrapper around a native AGG vertex_source object

- that implements the "scalable" interface. */

+/* This class is basically a wrapper around a native AGG vertex_source object.

+ The wrapper implements the "scalable" interface. */

template <class T, bool system_managed>

class vs_proxy : public scalable {

T m_base;

@@ -43,7 +43,7 @@ public:

virtual void approximation_scale(double as) { };

virtual bool dispose() { return (system_managed ? false : true); };

- T& get_base() { return m_base; };

+ T& self() { return m_base; };

};

/* this class does work does permit to perform an AGG transformation

@@ -56,6 +56,8 @@ protected:

base_type* m_source;

public:

+ typedef conv_type self_type;

+

vs_adapter(base_type* src): m_output(*src), m_source(src)

{

};

@@ -85,4 +87,37 @@ public:

conv_type& self() { return m_output; };

};

+template<class conv_type>

+class scalable_adapter : public vs_adapter<conv_type, scalable> {

+ typedef vs_adapter<conv_type, scalable> root_type;

+

+public:

+ scalable_adapter(scalable *src) : root_type(src) { };

+

+ template <class init_type>

+ scalable_adapter(scalable* src, init_type& val): root_type(src, val) {};

+

+ virtual void approximation_scale(double as)

+ {

+ this->m_source->approximation_scale(as);

+ };

+};

+

+template<class conv_type>

+class scalable_adapter_approx : public vs_adapter<conv_type, scalable> {

+ typedef vs_adapter<conv_type, scalable> root_type;

+

+public:

+ scalable_adapter_approx(scalable *src) : root_type(src) { };

+

+ template <class init_type>

+ scalable_adapter_approx(scalable* src, init_type& val): root_type(src, val) {};

+

+ virtual void approximation_scale(double as)

+ {

+ this->m_output.approximation_scale(as);

+ this->m_source->approximation_scale(as);

+ };

+};

+

#endif