diff options
Diffstat (limited to 'core/src/fxge/agg/agg23/agg_path_storage.h')
| -rw-r--r-- | core/src/fxge/agg/agg23/agg_path_storage.h | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/core/src/fxge/agg/agg23/agg_path_storage.h b/core/src/fxge/agg/agg23/agg_path_storage.h deleted file mode 100644 index dc13851d09..0000000000 --- a/core/src/fxge/agg/agg23/agg_path_storage.h +++ /dev/null @@ -1,172 +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_PATH_STORAGE_INCLUDED -#define AGG_PATH_STORAGE_INCLUDED -#include "agg_basics.h" -namespace agg -{ -class path_storage -{ - enum block_scale_e { - block_shift = 8, - block_size = 1 << block_shift, - block_mask = block_size - 1, - block_pool = 256 - }; -public: - class vertex_source - { - public: - vertex_source() {} - vertex_source(const path_storage& p) : m_path(&p), m_vertex_idx(0) {} - void rewind(unsigned path_id) - { - m_vertex_idx = path_id; - } - unsigned vertex(FX_FLOAT* x, FX_FLOAT* y) - { - return (m_vertex_idx < m_path->total_vertices()) ? - m_path->vertex(m_vertex_idx++, x, y) : - path_cmd_stop; - } - private: - const path_storage* m_path; - unsigned m_vertex_idx; - }; - ~path_storage(); - path_storage(); - unsigned last_vertex(FX_FLOAT* x, FX_FLOAT* y) const; - unsigned prev_vertex(FX_FLOAT* x, FX_FLOAT* y) const; - void move_to(FX_FLOAT x, FX_FLOAT y); - void line_to(FX_FLOAT x, FX_FLOAT y); - void curve4(FX_FLOAT x_ctrl1, FX_FLOAT y_ctrl1, - FX_FLOAT x_ctrl2, FX_FLOAT y_ctrl2, - FX_FLOAT x_to, FX_FLOAT y_to); - template<class VertexSource> - void add_path(VertexSource& vs, - unsigned path_id = 0, - bool solid_path = true) - { - FX_FLOAT x, y; - unsigned cmd; - vs.rewind(path_id); - while(!is_stop(cmd = vs.vertex(&x, &y))) { - if(is_move_to(cmd) && solid_path && m_total_vertices) { - cmd = path_cmd_line_to; - } - add_vertex(x, y, cmd); - } - } - template<class VertexSource> - void add_path_curve(VertexSource& vs, - unsigned path_id = 0, - bool solid_path = true) - { - FX_FLOAT x, y; - unsigned cmd; - int flag; - vs.rewind(path_id); - while(!is_stop(cmd = vs.vertex_curve_flag(&x, &y, flag))) { - if(is_move_to(cmd) && solid_path && m_total_vertices) { - cmd = path_cmd_line_to | flag; - } - add_vertex(x, y, cmd | flag); - } - } - unsigned total_vertices() const - { - return m_total_vertices; - } - unsigned vertex(unsigned idx, FX_FLOAT* x, FX_FLOAT* y) const - { - unsigned nb = idx >> block_shift; - const FX_FLOAT* pv = m_coord_blocks[nb] + ((idx & block_mask) << 1); - *x = *pv++; - *y = *pv; - return m_cmd_blocks[nb][idx & block_mask]; - } - unsigned command(unsigned idx) const - { - return m_cmd_blocks[idx >> block_shift][idx & block_mask]; - } - unsigned getflag(unsigned idx) const - { - return m_cmd_blocks[idx >> block_shift][idx & block_mask] & path_flags_jr; - } - void rewind(unsigned path_id); - unsigned vertex(FX_FLOAT* x, FX_FLOAT* y); - void add_vertex(FX_FLOAT x, FX_FLOAT y, unsigned cmd); - void end_poly(); -private: - void allocate_block(unsigned nb); - unsigned char* storage_ptrs(FX_FLOAT** xy_ptr); -private: - unsigned m_total_vertices; - unsigned m_total_blocks; - unsigned m_max_blocks; - FX_FLOAT** m_coord_blocks; - unsigned char** m_cmd_blocks; - unsigned m_iterator; -}; -inline unsigned path_storage::vertex(FX_FLOAT* x, FX_FLOAT* y) -{ - if(m_iterator >= m_total_vertices) { - return path_cmd_stop; - } - return vertex(m_iterator++, x, y); -} -inline unsigned path_storage::prev_vertex(FX_FLOAT* x, FX_FLOAT* y) const -{ - if(m_total_vertices > 1) { - return vertex(m_total_vertices - 2, x, y); - } - return path_cmd_stop; -} -inline unsigned path_storage::last_vertex(FX_FLOAT* x, FX_FLOAT* y) const -{ - if(m_total_vertices) { - return vertex(m_total_vertices - 1, x, y); - } - return path_cmd_stop; -} -inline unsigned char* path_storage::storage_ptrs(FX_FLOAT** xy_ptr) -{ - unsigned nb = m_total_vertices >> block_shift; - if(nb >= m_total_blocks) { - allocate_block(nb); - } - *xy_ptr = m_coord_blocks[nb] + ((m_total_vertices & block_mask) << 1); - return m_cmd_blocks[nb] + (m_total_vertices & block_mask); -} -inline void path_storage::add_vertex(FX_FLOAT x, FX_FLOAT y, unsigned cmd) -{ - FX_FLOAT* coord_ptr = 0; - unsigned char* cmd_ptr = storage_ptrs(&coord_ptr); - *cmd_ptr = (unsigned char)cmd; - *coord_ptr++ = x; - *coord_ptr = y; - m_total_vertices++; -} -inline void path_storage::move_to(FX_FLOAT x, FX_FLOAT y) -{ - add_vertex(x, y, path_cmd_move_to); -} -inline void path_storage::line_to(FX_FLOAT x, FX_FLOAT y) -{ - add_vertex(x, y, path_cmd_line_to); -} -} -#endif |