diff options
Diffstat (limited to 'core/src/fxge/agg/agg23/fx_agg_vcgen_stroke.cpp')
| -rw-r--r-- | core/src/fxge/agg/agg23/fx_agg_vcgen_stroke.cpp | 214 |
1 files changed, 0 insertions, 214 deletions
diff --git a/core/src/fxge/agg/agg23/fx_agg_vcgen_stroke.cpp b/core/src/fxge/agg/agg23/fx_agg_vcgen_stroke.cpp deleted file mode 100644 index 425ac45aca..0000000000 --- a/core/src/fxge/agg/agg23/fx_agg_vcgen_stroke.cpp +++ /dev/null @@ -1,214 +0,0 @@ - -//---------------------------------------------------------------------------- -// XYQ: 2006-01-22 Copied from AGG project. -// TODO: This file uses intensive floating point operations, so it's NOT suitable -// for platforms like Symbian OS. We need to change to FIX format. -//---------------------------------------------------------------------------- -//---------------------------------------------------------------------------- -// 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 -//---------------------------------------------------------------------------- -// -// Stroke generator -// -//---------------------------------------------------------------------------- -#include "../../../../include/fxcrt/fx_basic.h" -#include "agg_vcgen_stroke.h" -namespace agg -{ - -vcgen_stroke::vcgen_stroke() : - m_src_vertices(), - m_out_vertices(), - m_width(0.5f), - m_miter_limit(4 * 1.0f), - m_inner_miter_limit(1.0f + 1.0f / 100), - m_approx_scale(1.0f), - m_line_cap(butt_cap), - m_line_join(miter_join), - m_inner_join(inner_miter), - m_closed(0), - m_status(initial), - m_src_vertex(0), - m_out_vertex(0) -{ -} -void vcgen_stroke::remove_all() -{ - m_src_vertices.remove_all(); - m_closed = 0; - m_status = initial; -} -void vcgen_stroke::add_vertex(FX_FLOAT x, FX_FLOAT y, unsigned cmd) -{ - m_status = initial; - if(is_move_to(cmd)) { - m_src_vertices.modify_last(vertex_dist_cmd(x, y, cmd)); - } else { - if(is_vertex(cmd)) { - m_src_vertices.add(vertex_dist_cmd(x, y, cmd)); - } else { - m_closed = get_close_flag(cmd); - } - } -} -static inline void calc_butt_cap(FX_FLOAT* cap, - const vertex_dist& v0, - const vertex_dist& v1, - FX_FLOAT len, - FX_FLOAT width) -{ - FX_FLOAT dx = FXSYS_MulDiv(v1.y - v0.y, width, len); - FX_FLOAT dy = FXSYS_MulDiv(v1.x - v0.x, width, len); - cap[0] = v0.x - dx; - cap[1] = v0.y + dy; - cap[2] = v0.x + dx; - cap[3] = v0.y - dy; -} -void vcgen_stroke::rewind(unsigned) -{ - if(m_status == initial) { - m_src_vertices.close(m_closed != 0); - if(m_src_vertices.size() < 3) { - m_closed = 0; - } - } - m_status = ready; - m_src_vertex = 0; - m_out_vertex = 0; -} -unsigned vcgen_stroke::vertex(FX_FLOAT* x, FX_FLOAT* y) -{ - unsigned cmd = path_cmd_line_to; - line_join_e curj; - while(!is_stop(cmd)) { - switch(m_status) { - case initial: - rewind(0); - case ready: - if(m_src_vertices.size() < 2 + unsigned(m_closed != 0)) { - cmd = path_cmd_stop; - break; - } - m_status = m_closed ? outline1 : cap1; - cmd = path_cmd_move_to; - m_src_vertex = 0; - m_out_vertex = 0; - break; - case cap1: - stroke_calc_cap(m_out_vertices, - m_src_vertices[0], - m_src_vertices[1], - m_src_vertices[0].dist, - m_line_cap, - m_width, - m_approx_scale); - m_src_vertex = 1; - m_prev_status = outline1; - m_status = out_vertices; - m_out_vertex = 0; - break; - case cap2: - stroke_calc_cap(m_out_vertices, - m_src_vertices[m_src_vertices.size() - 1], - m_src_vertices[m_src_vertices.size() - 2], - m_src_vertices[m_src_vertices.size() - 2].dist, - m_line_cap, - m_width, - m_approx_scale); - m_prev_status = outline2; - m_status = out_vertices; - m_out_vertex = 0; - break; - case outline1: - if(m_closed) { - if(m_src_vertex >= m_src_vertices.size()) { - m_prev_status = close_first; - m_status = end_poly1; - break; - } - } else { - if(m_src_vertex >= m_src_vertices.size() - 1) { - m_status = cap2; - break; - } - } - curj = m_src_vertices[m_src_vertex].cmd & path_flags_jr ? miter_join_round : m_line_join; - stroke_calc_join(m_out_vertices, - m_src_vertices.prev(m_src_vertex), - m_src_vertices.curr(m_src_vertex), - m_src_vertices.next(m_src_vertex), - m_src_vertices.prev(m_src_vertex).dist, - m_src_vertices.curr(m_src_vertex).dist, - m_width, - curj, - m_inner_join, - m_miter_limit, - m_inner_miter_limit, - m_approx_scale); - ++m_src_vertex; - m_prev_status = m_status; - m_status = out_vertices; - m_out_vertex = 0; - break; - case close_first: - m_status = outline2; - cmd = path_cmd_move_to; - case outline2: - if(m_src_vertex <= unsigned(m_closed == 0)) { - m_status = end_poly2; - m_prev_status = stop; - break; - } - --m_src_vertex; - curj = m_src_vertices[m_src_vertex].cmd & path_flags_jr ? miter_join_round : m_line_join; - stroke_calc_join(m_out_vertices, - m_src_vertices.next(m_src_vertex), - m_src_vertices.curr(m_src_vertex), - m_src_vertices.prev(m_src_vertex), - m_src_vertices.curr(m_src_vertex).dist, - m_src_vertices.prev(m_src_vertex).dist, - m_width, - curj, - m_inner_join, - m_miter_limit, - m_inner_miter_limit, - m_approx_scale); - m_prev_status = m_status; - m_status = out_vertices; - m_out_vertex = 0; - break; - case out_vertices: - if(m_out_vertex >= m_out_vertices.size()) { - m_status = m_prev_status; - } else { - const point_type& c = m_out_vertices[m_out_vertex++]; - *x = c.x; - *y = c.y; - return cmd; - } - break; - case end_poly1: - m_status = m_prev_status; - return path_cmd_end_poly | path_flags_close | path_flags_ccw; - case end_poly2: - m_status = m_prev_status; - return path_cmd_end_poly | path_flags_close | path_flags_cw; - case stop: - cmd = path_cmd_stop; - break; - } - } - return cmd; -} -} |