Add output operator for geom::Envelope class

libgeos · Jun 30, 2017 · 281e59f · 281e59f
1 parent 8d171e4
commit 281e59f
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Showing 2 changed files with 16 additions and 1 deletion.
diff --git a/include/geos/geom/Envelope.h b/include/geos/geom/Envelope.h
@@ -26,6 +26,7 @@
 
 #include <string>
 #include <vector>
+#include <ostream> // for operator<<
 #include <memory>
 
 namespace geos {
@@ -54,6 +55,8 @@ class GEOS_DLL Envelope {
 
 public:
 
+	friend std::ostream& operator<< (std::ostream& os, const Envelope& cl);
+
 	typedef std::auto_ptr<Envelope> AutoPtr;
 
 	/** \brief
@@ -490,6 +493,9 @@ class GEOS_DLL Envelope {
 /// Checks if two Envelopes are equal (2D only check)
 GEOS_DLL bool operator==(const Envelope& a, const Envelope& b);
 
+/// Output operator
+GEOS_DLL std::ostream& operator<< (std::ostream& os, const Envelope& o);
+
 } // namespace geos::geom
 } // namespace geos
 

diff --git a/src/geom/Envelope.cpp b/src/geom/Envelope.cpp
@@ -332,12 +332,21 @@ Envelope::equals(const Envelope* other) const
 			other->getMaxY() == maxy;
 }
 
+/* public */
+std::ostream& operator<< (std::ostream& os, const Envelope& o)
+{
+	os << "Env[" << o.minx << ":" << o.maxx << ","
+		 << o.miny << ":" << o.maxy << "]";
+	return os;
+}
+
+
 /*public*/
 string
 Envelope::toString() const
 {
 	ostringstream s;
-	s<<"Env["<<minx<<":"<<maxx<<","<<miny<<":"<<maxy<<"]";
+	s<<*this;
 	return s.str();
 }