From: Magnus Jacobsson <Magnus.Jacobsson@berotec.se>
Date: Tue, 13 Sep 2022 18:14:47 +0000 (+0200)
Subject: tests: test_edge_node_overlap_utilities: use a semi-transparent color
X-Git-Tag: 6.0.2~34^2~16
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=ae10b7f3c3b11b686f24fb331575ff404664a12a;p=graphviz

tests: test_edge_node_overlap_utilities: use a semi-transparent color

This makes it easier to see overlaps.
---

diff --git a/tests/test_edge_node_overlap_utilities.cpp b/tests/test_edge_node_overlap_utilities.cpp
index b40319575..58b2cb041 100644
--- a/tests/test_edge_node_overlap_utilities.cpp
+++ b/tests/test_edge_node_overlap_utilities.cpp
@@ -122,14 +122,17 @@ static void write_svg_files(SVGAnalyzer &svg_analyzer,
 
 /// generate DOT source based on given options
 static std::string generate_dot(const graph_options &graph_options) {
+  // use a semi-transparent color to easily see overlaps
+  const auto color = "\"#00000060\"";
   return fmt::format("digraph g1 {{"
                      "  graph [rankdir={}]"
-                     "  node [penwidth={} shape={} fontname=Courier]"
-                     "  edge [penwidth={}]"
+                     "  node [penwidth={} shape={} color={} fontname=Courier]"
+                     "  edge [penwidth={} color={}]"
                      "  a -> b"
                      "}}",
                      graph_options.rankdir, graph_options.node_penwidth,
-                     graph_options.node_shape, graph_options.edge_penwidth);
+                     graph_options.node_shape, color,
+                     graph_options.edge_penwidth, color);
 }
 
 void test_edge_node_overlap(const graph_options &graph_options,