From 845084998a745e85392b5ab943f895c5896eb0ed Mon Sep 17 00:00:00 2001
From: azv <azv@opencascade.com>
Date: Tue, 14 Jun 2022 08:05:17 +0300
Subject: [PATCH] Implement SketchAPI_Constraint::value() method to get the
 value of constraint.

---
 src/SketchAPI/SketchAPI_Constraint.cpp | 9 +++++++++
 src/SketchAPI/SketchAPI_Constraint.h   | 2 ++
 2 files changed, 11 insertions(+)

diff --git a/src/SketchAPI/SketchAPI_Constraint.cpp b/src/SketchAPI/SketchAPI_Constraint.cpp
index 97e01c332..724308c52 100644
--- a/src/SketchAPI/SketchAPI_Constraint.cpp
+++ b/src/SketchAPI/SketchAPI_Constraint.cpp
@@ -42,6 +42,8 @@
 
 #include <SketcherPrs_Tools.h>
 
+#include <limits>
+
 SketchAPI_Constraint::SketchAPI_Constraint(
     const std::shared_ptr<ModelAPI_Feature> & theFeature)
 : ModelHighAPI_Interface(theFeature)
@@ -89,6 +91,13 @@ void SketchAPI_Constraint::setValue(const ModelHighAPI_Double& theValue)
   fillAttribute(theValue, feature()->real(SketchPlugin_Constraint::VALUE()));
 }
 
+double SketchAPI_Constraint::value() const
+{
+  AttributeDoublePtr aValueAttr = feature()->real(SketchPlugin_Constraint::VALUE());
+  return aValueAttr->isInitialized() ? aValueAttr->value()
+                                     : std::numeric_limits<double>::quiet_NaN();
+}
+
 static const std::string& constraintTypeToSetter(const std::string& theType)
 {
   if (theType == SketchPlugin_ConstraintCoincidence::ID()) {
diff --git a/src/SketchAPI/SketchAPI_Constraint.h b/src/SketchAPI/SketchAPI_Constraint.h
index 19b2d50ea..82d3962bd 100644
--- a/src/SketchAPI/SketchAPI_Constraint.h
+++ b/src/SketchAPI/SketchAPI_Constraint.h
@@ -62,6 +62,8 @@ public:
 
   SKETCHAPI_EXPORT void setValue(const ModelHighAPI_Double& theValue);
 
+  SKETCHAPI_EXPORT double value() const;
+
   /// Dump wrapped feature
   SKETCHAPI_EXPORT
   virtual void dump(ModelHighAPI_Dumper& theDumper) const;
-- 
2.39.2