//---------------------------------------------------------------------------- // Anti-Grain Geometry - Version 2.4 // 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 //---------------------------------------------------------------------------- // // Class gsv_text // //---------------------------------------------------------------------------- #ifndef AGG_GSV_TEXT_INCLUDED #define AGG_GSV_TEXT_INCLUDED #include "agg_array.h" #include "agg_conv_stroke.h" #include "agg_conv_transform.h" namespace agg { //---------------------------------------------------------------gsv_text // // See Implementation agg_gsv_text.cpp // class gsv_text { enum status { initial, next_char, start_glyph, glyph }; public: gsv_text(); void font(const void* font); void flip(bool flip_y) { m_flip = flip_y; } void load_font(const char* file); void size(double height, double width=0.0); void space(double space); void line_space(double line_space); void start_point(double x, double y); void text(const char* text); double text_width(); void rewind(unsigned path_id); unsigned vertex(double* x, double* y); private: // not supposed to be copied gsv_text(const gsv_text&); const gsv_text& operator = (const gsv_text&); int16u value(const int8u* p) const { int16u v; if(m_big_endian) { *(int8u*)&v = p[1]; *((int8u*)&v + 1) = p[0]; } else { *(int8u*)&v = p[0]; *((int8u*)&v + 1) = p[1]; } return v; } private: double m_x; double m_y; double m_start_x; double m_width; double m_height; double m_space; double m_line_space; char m_chr[2]; char* m_text; pod_array<char> m_text_buf; char* m_cur_chr; const void* m_font; pod_array<char> m_loaded_font; status m_status; bool m_big_endian; bool m_flip; int8u* m_indices; int8* m_glyphs; int8* m_bglyph; int8* m_eglyph; double m_w; double m_h; }; //--------------------------------------------------------gsv_text_outline template<class Transformer = trans_affine> class gsv_text_outline { public: gsv_text_outline(gsv_text& text, const Transformer& trans) : m_polyline(text), m_trans(m_polyline, trans) { } void width(double w) { m_polyline.width(w); } void transformer(const Transformer* trans) { m_trans->transformer(trans); } void rewind(unsigned path_id) { m_trans.rewind(path_id); m_polyline.line_join(round_join); m_polyline.line_cap(round_cap); } unsigned vertex(double* x, double* y) { return m_trans.vertex(x, y); } private: conv_stroke<gsv_text> m_polyline; conv_transform<conv_stroke<gsv_text>, Transformer> m_trans; }; } #endif