| -rw-r--r-- | agg-plot/scalable.h | 20 |
diff --git a/agg-plot/scalable.h b/agg-plot/scalable.h index 154a8338..30ee655d 100644 --- a/agg-plot/scalable.h +++ b/agg-plot/scalable.h @@ -28,9 +28,27 @@ public: virtual ~scalable() { }; }; +/* This class is basically a wrapper around a native AGG vertex_source object + that implements the "scalable" interface. */ +template <class T, bool system_managed> +class vs_proxy : public scalable { + T m_base; + +public: + vs_proxy(): scalable(), m_base() {}; + + virtual void rewind(unsigned path_id) { m_base.rewind(path_id); }; + virtual unsigned vertex(double* x, double* y) { return m_base.vertex(x, y); }; + + virtual void approximation_scale(double as) { }; + virtual bool dispose() { return (system_managed ? false : true); }; + + T& get_base() { return m_base; }; +}; + /* this class does work does permit to perform an AGG transformation like conv_stroke, conv_dash or any other transform. This adapter - is mean to preserve the scalable or the window_drawable interface. */ + is meant to preserve the scalable or the window_drawable interface. */ template<class conv_type, class base_type> class vs_adapter : public base_type { protected: |