fix drawing contour style in draw_crit_path_elements

Author: w0lek

vpr/src/draw/draw_basic.cpp

@@ -1094,6 +1094,8 @@ void draw_crit_path(ezgl::renderer* g) {
 void draw_crit_path_elements(const std::vector<tatum::TimingPath>& paths, const std::map<std::size_t, std::set<std::size_t>>& indexes, bool draw_crit_path_contour, ezgl::renderer* g) {
     t_draw_state* draw_state = get_draw_state_vars();
     const ezgl::color contour_color{0, 0, 0, 40};
+    const ezgl::line_dash contour_line_style{ezgl::line_dash::none};
+    const int contour_line_width{1};
 
     auto draw_flyline_timing_edge_helper_fn = [](ezgl::renderer* renderer, const ezgl::color& color, ezgl::line_dash line_style, int line_width, float delay,
                                                  const tatum::NodeId& prev_node, const tatum::NodeId& node, bool skip_draw_delays = false) {
@@ -1134,7 +1136,7 @@ void draw_crit_path_elements(const std::vector<tatum::TimingPath>& paths, const
                         if (draw_current_element) {
                             draw_flyline_timing_edge_helper_fn(g, color, ezgl::line_dash::none, /*line_width*/ 4, delay, prev_node, node);
                         } else if (draw_crit_path_contour) {
-                            draw_flyline_timing_edge_helper_fn(g, contour_color, ezgl::line_dash::none, /*line_width*/ 1, delay, prev_node, node, /*skip_draw_delays*/ true);
+                            draw_flyline_timing_edge_helper_fn(g, contour_color, contour_line_style, contour_line_width, delay, prev_node, node, /*skip_draw_delays*/true);
                         }
                     } else {
                         VTR_ASSERT(draw_state->show_crit_path != DRAW_NO_CRIT_PATH);
@@ -1145,7 +1147,7 @@ void draw_crit_path_elements(const std::vector<tatum::TimingPath>& paths, const
 
                             draw_flyline_timing_edge_helper_fn(g, color, ezgl::line_dash::asymmetric_5_3, /*line_width*/ 3, delay, prev_node, node);
                         } else if (draw_crit_path_contour) {
-                            draw_flyline_timing_edge_helper_fn(g, color, ezgl::line_dash::asymmetric_5_3, /*line_width*/ 3, delay, prev_node, node, /*skip_draw_delays*/ true);
+                            draw_flyline_timing_edge_helper_fn(g, contour_color, contour_line_style, contour_line_width, delay, prev_node, node, /*skip_draw_delays*/true);
                         }
                     }
                 }