agg_math_stroke.h.diff

diff --git a/deps/agg/include/agg_math_stroke.h b/deps/agg/include/agg_math_stroke.h
index 4806dcd..7ba45f6 100644
--- a/deps/agg/include/agg_math_stroke.h
+++ b/deps/agg/include/agg_math_stroke.h
@@ -22,6 +22,7 @@
 
 #include "agg_math.h"
 #include "agg_vertex_sequence.h"
+#include <mapnik/debug.hpp>
 
 namespace agg
 {
@@ -476,6 +477,8 @@ namespace agg
                 // the same as in round joins and caps. You can safely comment 
                 // out this entire "if".
                 //-------------------
+                MAPNIK_LOG_ERROR(values) << std::fixed << m_approx_scale
+                   << " " << m_width_abs << " " << dbevel << " " << m_width_eps;
                 if(m_approx_scale * (m_width_abs - dbevel) < m_width_eps)
                 {
                     if(calc_intersection(v0.x + dx1, v0.y - dy1,
@@ -484,13 +487,17 @@ namespace agg
                                          v2.x + dx2, v2.y - dy2,
                                          &dx, &dy))
                     {
+                        MAPNIK_LOG_ERROR(line_join) << "add_vertex1 " << std::fixed << dx << " " << dy;
                         add_vertex(vc, dx, dy);
                     }
                     else
                     {
+                        MAPNIK_LOG_ERROR(line_join) << "add_vertex2 " << std::fixed << (v1.x + dx1) << " " << (v1.y - dy1);
                         add_vertex(vc, v1.x + dx1, v1.y - dy1);
                     }
                     return;
+                } else {
+                    MAPNIK_LOG_ERROR(line_join) << "false";
                 }
             }
 
@@ -507,6 +514,7 @@ namespace agg
                 break;
 
             case round_join:
+                MAPNIK_LOG_ERROR(line_join) << v1.x << " " << v1.y << " " << dx1 << " " << -dy1 << " " << dx2 << " " << -dy2;
                 calc_arc(vc, v1.x, v1.y, dx1, -dy1, dx2, -dy2);
                 break;