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| 1 | |
| 2 //---------------------------------------------------------------------------- | |
| 3 // Anti-Grain Geometry - Version 2.3 | |
| 4 // Copyright (C) 2002-2005 Maxim Shemanarev (http://www.antigrain.com) | |
| 5 // | |
| 6 // Permission to copy, use, modify, sell and distribute this software | |
| 7 // is granted provided this copyright notice appears in all copies. | |
| 8 // This software is provided "as is" without express or implied | |
| 9 // warranty, and with no claim as to its suitability for any purpose. | |
| 10 // | |
| 11 //---------------------------------------------------------------------------- | |
| 12 // Contact: mcseem@antigrain.com | |
| 13 // mcseemagg@yahoo.com | |
| 14 // http://www.antigrain.com | |
| 15 //---------------------------------------------------------------------------- | |
| 16 // | |
| 17 // Line dash generator | |
| 18 // | |
| 19 //---------------------------------------------------------------------------- | |
| 20 #ifndef AGG_VCGEN_DASH_INCLUDED | |
| 21 #define AGG_VCGEN_DASH_INCLUDED | |
| 22 #include "agg_basics.h" | |
| 23 #include "agg_vertex_sequence.h" | |
| 24 namespace agg | |
| 25 { | |
| 26 class vcgen_dash : public CFX_Object | |
| 27 { | |
| 28 enum max_dashes_e { | |
| 29 max_dashes = 32 | |
| 30 }; | |
| 31 enum status_e { | |
| 32 initial, | |
| 33 ready, | |
| 34 polyline, | |
| 35 stop | |
| 36 }; | |
| 37 public: | |
| 38 typedef vertex_sequence<vertex_dist, 6> vertex_storage; | |
| 39 vcgen_dash(); | |
| 40 void remove_all_dashes(); | |
| 41 void add_dash(FX_FLOAT dash_len, FX_FLOAT gap_len); | |
| 42 void dash_start(FX_FLOAT ds); | |
| 43 void shorten(FX_FLOAT s) | |
| 44 { | |
| 45 m_shorten = s; | |
| 46 } | |
| 47 double shorten() const | |
| 48 { | |
| 49 return m_shorten; | |
| 50 } | |
| 51 void remove_all(); | |
| 52 void add_vertex(FX_FLOAT x, FX_FLOAT y, unsigned cmd); | |
| 53 void rewind(unsigned path_id); | |
| 54 unsigned vertex(FX_FLOAT* x, FX_FLOAT* y); | |
| 55 private: | |
| 56 vcgen_dash(const vcgen_dash&); | |
| 57 const vcgen_dash& operator = (const vcgen_dash&); | |
| 58 void calc_dash_start(FX_FLOAT ds); | |
| 59 FX_FLOAT m_dashes[max_dashes]; | |
| 60 FX_FLOAT m_total_dash_len; | |
| 61 unsigned m_num_dashes; | |
| 62 FX_FLOAT m_dash_start; | |
| 63 FX_FLOAT m_shorten; | |
| 64 FX_FLOAT m_curr_dash_start; | |
| 65 unsigned m_curr_dash; | |
| 66 FX_FLOAT m_curr_rest; | |
| 67 const vertex_dist* m_v1; | |
| 68 const vertex_dist* m_v2; | |
| 69 vertex_storage m_src_vertices; | |
| 70 unsigned m_closed; | |
| 71 status_e m_status; | |
| 72 unsigned m_src_vertex; | |
| 73 }; | |
| 74 } | |
| 75 #endif | |
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Chromium Code Reviews
Issue 402463002:
Replace agg with skia (Closed)
Base URL: https://pdfium.googlesource.com/pdfium.git@master