Issue #1315 Middle point constraint problem: classes creation

[modules/shaper.git] / src / SketcherPrs / SketcherPrs_Middle.h

diff --git a/src/SketcherPrs/SketcherPrs_Middle.h b/src/SketcherPrs/SketcherPrs_Middle.h
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+++ b/src/SketcherPrs/SketcherPrs_Middle.h
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+// Copyright (C) 2014-20xx CEA/DEN, EDF R&D
+
+// File:        SketcherPrs_Middle.h
+// Created:     29 February 2016
+// Author:      Natalia ERMOLAEVA
+
+#ifndef SketcherPrs_Middle_H
+#define SketcherPrs_Middle_H
+
+#include "SketcherPrs_SymbolPrs.h"
+
+
+DEFINE_STANDARD_HANDLE(SketcherPrs_Middle, SketcherPrs_SymbolPrs)
+
+/**
+* \ingroup GUI
+* A redefinition of standard AIS Interactive Object in order to provide  
+* presentation of Equal constraint
+*/
+class SketcherPrs_Middle: public SketcherPrs_SymbolPrs
+{
+public:
+  /// Constructor
+  /// \param theConstraint a constraint feature
+  /// \param thePlane a coordinate plane of current sketch
+  Standard_EXPORT SketcherPrs_Middle(ModelAPI_Feature* theConstraint, 
+                                       const std::shared_ptr<GeomAPI_Ax3>& thePlane);
+  DEFINE_STANDARD_RTTI(SketcherPrs_Middle)
+
+  /// Returns true if the constraint feature arguments are correcly filled to build AIS presentation
+  /// \param theConstraint a constraint feature
+  /// \param thePlane a coordinate plane of current sketch
+  /// \return boolean result value
+  static bool IsReadyToDisplay(ModelAPI_Feature* theConstraint,
+                               const std::shared_ptr<GeomAPI_Ax3>& thePlane);
+protected:
+
+  virtual const char* iconName() const { return "equal.png"; }
+
+  virtual void drawLines(const Handle(Prs3d_Presentation)& thePrs, Quantity_Color theColor) const;
+
+  /// Update myPntArray according to presentation positions
+  /// \return true in case of success
+  virtual bool updatePoints(double theStep) const;
+};
+
+#endif
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