added streaming operator to DrawParams

docs/homog2d_history.md

@@ -14,11 +14,16 @@ See [Release page](https://github.com/skramm/homog2d/releases).
   - add some feature to be able to print coordinates with desired precision at runtime
   - add `Vector` type (defined by dx,dy)
 
+- current Work In Progress
+  - generalisation of bounding box of pair of objects
+  - polygon minimization
+
 - current master branch
   - added SVG import of `path` element, [see manual](homog2d_manual.md#svg_import_example).
   - bugfixes:
     - https://github.com/skramm/homog2d/issues/11
     - https://github.com/skramm/homog2d/issues/10
+  - added stream operator to draw parameters
 
 ## Previous releases
 

homog2d.hpp

@@ -658,6 +658,17 @@ class DrawParams
 		}
 	};
 
+	friend std::ostream& operator << ( std::ostream& f, const DrawParams& dp )
+	{
+		f << "-" << dp._dpValues._color
+			<< "\n-line width=" << dp._dpValues._lineThickness
+			<< "\n-pointSize=" << dp._dpValues._pointSize
+			<< "\n-showPoints=" << dp._dpValues._showPoints
+			<< "\n-fontSize=" << dp._dpValues._fontSize
+			<< '\n';
+		return f;
+	}
+
 
 public:
 	Dp_values _dpValues;

misc/demo_opencv.cpp

@@ -1835,6 +1835,8 @@ int main( int argc, const char** argv )
 		Point2dD pt3;
 		std::cout << "double: size=" << pt3.dsize().first << "-" << pt3.dsize().second << '\n';
 
+		img::DrawParams dp;
+		std::cout << "Default draw parameters: " << dp;
 	std::vector<std::function<void(int)>> v_demo{
 		demo_RCP,
 		demo_orthSeg,   // Perpendicular segment