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Diffstat (limited to 'agg/inc/agg_conv_adaptor_vcgen.h')
-rwxr-xr-x | agg/inc/agg_conv_adaptor_vcgen.h | 169 |
1 files changed, 0 insertions, 169 deletions
diff --git a/agg/inc/agg_conv_adaptor_vcgen.h b/agg/inc/agg_conv_adaptor_vcgen.h deleted file mode 100755 index f8233a388357..000000000000 --- a/agg/inc/agg_conv_adaptor_vcgen.h +++ /dev/null @@ -1,169 +0,0 @@ -//---------------------------------------------------------------------------- -// Anti-Grain Geometry - Version 2.3 -// Copyright (C) 2002-2005 Maxim Shemanarev (http://www.antigrain.com) -// -// Permission to copy, use, modify, sell and distribute this software -// is granted provided this copyright notice appears in all copies. -// This software is provided "as is" without express or implied -// warranty, and with no claim as to its suitability for any purpose. -// -//---------------------------------------------------------------------------- -// Contact: mcseem@antigrain.com -// mcseemagg@yahoo.com -// http://www.antigrain.com -//---------------------------------------------------------------------------- - -#ifndef AGG_CONV_ADAPTOR_VCGEN_INCLUDED -#define AGG_CONV_ADAPTOR_VCGEN_INCLUDED - -#include "agg_basics.h" -#include "agg_vertex_iterator.h" - -namespace agg -{ - //------------------------------------------------------------null_markers - struct null_markers - { - void remove_all() {} - void add_vertex(double, double, unsigned) {} - void prepare_src() {} - - void rewind(unsigned) {} - unsigned vertex(double*, double*) { return path_cmd_stop; } - - typedef null_markers source_type; - typedef vertex_iterator<source_type> iterator; - iterator begin(unsigned id) { return iterator(*this, id); } - iterator end() { return iterator(path_cmd_stop); } - }; - - - //------------------------------------------------------conv_adaptor_vcgen - template<class VertexSource, - class Generator, - class Markers=null_markers> class conv_adaptor_vcgen - { - enum status - { - initial, - accumulate, - generate - }; - - public: - conv_adaptor_vcgen(VertexSource& source) : - m_source(&source), - m_status(initial) - {} - - void set_source(VertexSource& source) { m_source = &source; } - - Generator& generator() { return m_generator; } - const Generator& generator() const { return m_generator; } - - Markers& markers() { return m_markers; } - const Markers& markers() const { return m_markers; } - - void rewind(unsigned id) - { - m_source->rewind(id); - m_status = initial; - } - - unsigned vertex(double* x, double* y); - - typedef conv_adaptor_vcgen<VertexSource, Generator, Markers> source_type; - typedef vertex_iterator<source_type> iterator; - iterator begin(unsigned id) { return iterator(*this, id); } - iterator end() { return iterator(path_cmd_stop); } - - private: - // Prohibit copying - conv_adaptor_vcgen(const conv_adaptor_vcgen<VertexSource, Generator, Markers>&); - const conv_adaptor_vcgen<VertexSource, Generator, Markers>& - operator = (const conv_adaptor_vcgen<VertexSource, Generator, Markers>&); - - VertexSource* m_source; - Generator m_generator; - Markers m_markers; - status m_status; - unsigned m_last_cmd; - double m_start_x; - double m_start_y; - }; - - - - - - //------------------------------------------------------------------------ - template<class VertexSource, class Generator, class Markers> - unsigned conv_adaptor_vcgen<VertexSource, Generator, Markers>::vertex(double* x, double* y) - { - unsigned cmd = path_cmd_stop; - bool done = false; - while(!done) - { - switch(m_status) - { - case initial: - m_markers.remove_all(); - m_last_cmd = m_source->vertex(&m_start_x, &m_start_y); - m_status = accumulate; - - case accumulate: - if(is_stop(m_last_cmd)) return path_cmd_stop; - - m_generator.remove_all(); - m_generator.add_vertex(m_start_x, m_start_y, path_cmd_move_to); - m_markers.add_vertex(m_start_x, m_start_y, path_cmd_move_to); - - for(;;) - { - cmd = m_source->vertex(x, y); - if(is_vertex(cmd)) - { - m_last_cmd = cmd; - if(is_move_to(cmd)) - { - m_start_x = *x; - m_start_y = *y; - break; - } - m_generator.add_vertex(*x, *y, cmd); - m_markers.add_vertex(*x, *y, path_cmd_line_to); - } - else - { - if(is_stop(cmd)) - { - m_last_cmd = path_cmd_stop; - break; - } - if(is_end_poly(cmd)) - { - m_generator.add_vertex(*x, *y, cmd); - break; - } - } - } - m_generator.rewind(0); - m_status = generate; - - case generate: - cmd = m_generator.vertex(x, y); - if(is_stop(cmd)) - { - m_status = accumulate; - break; - } - done = true; - break; - } - } - return cmd; - } - -} - -#endif |