KIKIMR-19287: add task_stats_drawing script

1 files changed, 235 insertions, 0 deletions

diff --git a/contrib/python/matplotlib/py2/extern/agg24-svn/src/agg_vcgen_dash.cpp b/contrib/python/matplotlib/py2/extern/agg24-svn/src/agg_vcgen_dash.cpp
new file mode 100644
index 0000000000..129505786c
--- /dev/null
+++ b/contrib/python/matplotlib/py2/extern/agg24-svn/src/agg_vcgen_dash.cpp
@@ -0,0 +1,235 @@
+//----------------------------------------------------------------------------
+// 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
+//----------------------------------------------------------------------------
+//
+// 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;
+                }
+                break;
+
+            case stop:
+                cmd = path_cmd_stop;
+                break;
+            }
+
+        }
+        return path_cmd_stop;
+    }
+
+
+}
+