From: Magnus Jacobsson <Magnus.Jacobsson@berotec.se>
Date: Wed, 17 Aug 2022 12:55:18 +0000 (+0200)
Subject: tests: SvgAnalyzer: GraphvizNode add retrieval of center position
X-Git-Tag: 6.0.1~32^2~6
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=f8ba97c1db057a245c6a5ad7bb784450a7c5d258;p=graphviz

tests: SvgAnalyzer: GraphvizNode add retrieval of center position
---

diff --git a/tests/graphviz_node.cpp b/tests/graphviz_node.cpp
index a7ca9fd58..ecaa75174 100644
--- a/tests/graphviz_node.cpp
+++ b/tests/graphviz_node.cpp
@@ -3,6 +3,8 @@
 GraphvizNode::GraphvizNode(SVG::SVGElement &svg_element)
     : m_node_id(svg_element.graphviz_id), m_svg_g_element(svg_element) {}
 
+SVG::SVGPoint GraphvizNode::center() const { return bbox().center(); }
+
 std::string_view GraphvizNode::node_id() const { return m_node_id; }
 
 SVG::SVGRect GraphvizNode::bbox() const { return m_svg_g_element.bbox(); }
diff --git a/tests/graphviz_node.h b/tests/graphviz_node.h
index 2bfc8e2ad..74713197b 100644
--- a/tests/graphviz_node.h
+++ b/tests/graphviz_node.h
@@ -17,6 +17,8 @@ public:
 
   /// Return the node's bounding box
   SVG::SVGRect bbox() const;
+  /// Return the center of the node's bounding box
+  SVG::SVGPoint center() const;
   /// Return the node's `node_id` as defined by the DOT language
   std::string_view node_id() const;
   /// Return a non-mutable reference to the SVG `g` element corresponding to the
diff --git a/tests/svg_element.cpp b/tests/svg_element.cpp
index ac9ea4cde..0d150c7ff 100644
--- a/tests/svg_element.cpp
+++ b/tests/svg_element.cpp
@@ -353,6 +353,10 @@ void SVG::SVGRect::extend(const SVGPoint &point) {
   height = ymax - ymin;
 }
 
+SVG::SVGPoint SVG::SVGRect::center() const {
+  return {x + width / 2, y + height / 2};
+}
+
 void SVG::SVGRect::extend(const SVG::SVGRect &other) {
   const auto xmin = std::min(x, other.x);
   const auto ymin = std::min(y, other.y);
diff --git a/tests/svg_element.h b/tests/svg_element.h
index d22b102ee..2837496dc 100644
--- a/tests/svg_element.h
+++ b/tests/svg_element.h
@@ -18,6 +18,7 @@ struct SVGRect {
   double y;
   double width;
   double height;
+  SVGPoint center() const;
   void extend(const SVGPoint &point);
   void extend(const SVGRect &other);
 };