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Diffstat (limited to 'agg/source/agg_vcgen_dash.cpp')
| -rwxr-xr-x | agg/source/agg_vcgen_dash.cpp | 237 |
1 files changed, 0 insertions, 237 deletions
diff --git a/agg/source/agg_vcgen_dash.cpp b/agg/source/agg_vcgen_dash.cpp deleted file mode 100755 index 96783abe9952..000000000000 --- a/agg/source/agg_vcgen_dash.cpp +++ /dev/null @@ -1,237 +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 -//---------------------------------------------------------------------------- -// -// Line dash generator -// -//---------------------------------------------------------------------------- - -#include <math.h> -#include "agg_vcgen_dash.h" -#include "agg_shorten_path.h" - -namespace agg -{ - - //------------------------------------------------------------------------ - vcgen_dash::vcgen_dash() : - m_total_dash_len(0.0), - m_num_dashes(0), - m_dash_start(0.0), - m_shorten(0.0), - m_curr_dash_start(0.0), - m_curr_dash(0), - m_src_vertices(), - m_closed(0), - m_status(initial), - m_src_vertex(0) - { - } - - - - //------------------------------------------------------------------------ - void vcgen_dash::remove_all_dashes() - { - m_total_dash_len = 0.0; - m_num_dashes = 0; - m_curr_dash_start = 0.0; - m_curr_dash = 0; - } - - - //------------------------------------------------------------------------ - void vcgen_dash::add_dash(double dash_len, double gap_len) - { - if(m_num_dashes < max_dashes) - { - m_total_dash_len += dash_len + gap_len; - m_dashes[m_num_dashes++] = dash_len; - m_dashes[m_num_dashes++] = gap_len; - } - } - - - //------------------------------------------------------------------------ - void vcgen_dash::dash_start(double ds) - { - m_dash_start = ds; - calc_dash_start(fabs(ds)); - } - - - //------------------------------------------------------------------------ - void vcgen_dash::calc_dash_start(double ds) - { - m_curr_dash = 0; - m_curr_dash_start = 0.0; - while(ds > 0.0) - { - if(ds > m_dashes[m_curr_dash]) - { - ds -= m_dashes[m_curr_dash]; - ++m_curr_dash; - m_curr_dash_start = 0.0; - if(m_curr_dash >= m_num_dashes) m_curr_dash = 0; - } - else - { - m_curr_dash_start = ds; - ds = 0.0; - } - } - } - - - //------------------------------------------------------------------------ - void vcgen_dash::remove_all() - { - m_status = initial; - m_src_vertices.remove_all(); - m_closed = 0; - } - - - //------------------------------------------------------------------------ - void vcgen_dash::add_vertex(double x, double y, unsigned cmd) - { - m_status = initial; - if(is_move_to(cmd)) - { - m_src_vertices.modify_last(vertex_dist(x, y)); - } - else - { - if(is_vertex(cmd)) - { - m_src_vertices.add(vertex_dist(x, y)); - } - else - { - m_closed = get_close_flag(cmd); - } - } - } - - - //------------------------------------------------------------------------ - void vcgen_dash::rewind(unsigned) - { - if(m_status == initial) - { - m_src_vertices.close(m_closed != 0); - shorten_path(m_src_vertices, m_shorten, m_closed); - } - m_status = ready; - m_src_vertex = 0; - } - - - //------------------------------------------------------------------------ - unsigned vcgen_dash::vertex(double* x, double* y) - { - unsigned cmd = path_cmd_move_to; - while(!is_stop(cmd)) - { - switch(m_status) - { - case initial: - rewind(0); - - case ready: - if(m_num_dashes < 2 || m_src_vertices.size() < 2) - { - cmd = path_cmd_stop; - break; - } - m_status = polyline; - m_src_vertex = 1; - m_v1 = &m_src_vertices[0]; - m_v2 = &m_src_vertices[1]; - m_curr_rest = m_v1->dist; - *x = m_v1->x; - *y = m_v1->y; - if(m_dash_start >= 0.0) calc_dash_start(m_dash_start); - return path_cmd_move_to; - - case polyline: - { - double dash_rest = m_dashes[m_curr_dash] - m_curr_dash_start; - - unsigned _cmd = (m_curr_dash & 1) ? - path_cmd_move_to : - path_cmd_line_to; - - if(m_curr_rest > dash_rest) - { - m_curr_rest -= dash_rest; - ++m_curr_dash; - if(m_curr_dash >= m_num_dashes) m_curr_dash = 0; - m_curr_dash_start = 0.0; - *x = m_v2->x - (m_v2->x - m_v1->x) * m_curr_rest / m_v1->dist; - *y = m_v2->y - (m_v2->y - m_v1->y) * m_curr_rest / m_v1->dist; - } - else - { - m_curr_dash_start += m_curr_rest; - *x = m_v2->x; - *y = m_v2->y; - ++m_src_vertex; - m_v1 = m_v2; - m_curr_rest = m_v1->dist; - if(m_closed) - { - if(m_src_vertex > m_src_vertices.size()) - { - m_status = stop; - } - else - { - m_v2 = &m_src_vertices - [ - (m_src_vertex >= m_src_vertices.size()) ? 0 : - m_src_vertex - ]; - } - } - else - { - if(m_src_vertex >= m_src_vertices.size()) - { - m_status = stop; - } - else - { - m_v2 = &m_src_vertices[m_src_vertex]; - } - } - } - return _cmd; - } - - // statement unreachable - //break; - - case stop: - cmd = path_cmd_stop; - break; - } - - } - return path_cmd_stop; - } - - -} - |