refs #80 - Sketch base GUI: create/draw point, circle and arc

[modules/shaper.git] / src / SketchPlugin / SketchPlugin_Circle.cpp

diff --git a/src/SketchPlugin/SketchPlugin_Circle.cpp b/src/SketchPlugin/SketchPlugin_Circle.cpp
index eaa284d083b9fc28b61ceb1540f580987f685e30..cca6599bb9ca0f2172e71de0b1f650ceb1aa5831 100644 (file)
--- a/src/SketchPlugin/SketchPlugin_Circle.cpp
+++ b/src/SketchPlugin/SketchPlugin_Circle.cpp
@@ -6,6 +6,8 @@
 #include "SketchPlugin_Sketch.h"
 #include <ModelAPI_Data.h>
 
+#include <GeomAPI_Pnt2d.h>
+
 #include <GeomDataAPI_Point2D.h>
 #include <GeomDataAPI_Dir.h>
 
@@ -39,28 +41,50 @@ const boost::shared_ptr<GeomAPI_Shape>& SketchPlugin_Circle::preview()
     // compute a circle point in 3D view
     boost::shared_ptr<GeomDataAPI_Point2D> aCenterAttr = 
       boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(data()->attribute(CIRCLE_ATTR_CENTER));
-    boost::shared_ptr<GeomAPI_Pnt> aCenter(aSketch->to3D(aCenterAttr->x(), aCenterAttr->y()));
-    // make a visible point
-    boost::shared_ptr<GeomAPI_Shape> aCenterPointShape = GeomAlgoAPI_PointBuilder::point(aCenter);
-    aShapes.push_back(aCenterPointShape);
-
-    // make a visible circle
-    boost::shared_ptr<GeomDataAPI_Dir> aNDir = 
-      boost::dynamic_pointer_cast<GeomDataAPI_Dir>(aSketch->data()->attribute(SKETCH_ATTR_NORM));
-    bool aHasPlane = aNDir && !(aNDir->x() == 0 && aNDir->y() == 0 && aNDir->z() == 0);
-    if (aHasPlane) {
-      boost::shared_ptr<GeomAPI_Dir> aNormal(new GeomAPI_Dir(aNDir->x(), aNDir->y(), aNDir->z()));
-      // compute the circle radius
-      AttributeDoublePtr aRadiusAttr = 
-        boost::dynamic_pointer_cast<ModelAPI_AttributeDouble>(data()->attribute(CIRCLE_ATTR_RADIUS));
-      double aRadius = aRadiusAttr->value();
-
-      boost::shared_ptr<GeomAPI_Shape> aCircleShape = 
-                              GeomAlgoAPI_EdgeBuilder::lineCircle(aCenter, aNormal, aRadius);
-      aShapes.push_back(aCircleShape);
+    if (aCenterAttr->isInitialized()) {
+      boost::shared_ptr<GeomAPI_Pnt> aCenter(aSketch->to3D(aCenterAttr->x(), aCenterAttr->y()));
+      // make a visible point
+      boost::shared_ptr<GeomAPI_Shape> aCenterPointShape = GeomAlgoAPI_PointBuilder::point(aCenter);
+      aShapes.push_back(aCenterPointShape);
+
+      // make a visible circle
+      boost::shared_ptr<GeomDataAPI_Dir> aNDir = 
+        boost::dynamic_pointer_cast<GeomDataAPI_Dir>(aSketch->data()->attribute(SKETCH_ATTR_NORM));
+      bool aHasPlane = aNDir && !(aNDir->x() == 0 && aNDir->y() == 0 && aNDir->z() == 0);
+      if (aHasPlane) {
+        boost::shared_ptr<GeomAPI_Dir> aNormal(new GeomAPI_Dir(aNDir->x(), aNDir->y(), aNDir->z()));
+        // compute the circle radius
+        AttributeDoublePtr aRadiusAttr = 
+          boost::dynamic_pointer_cast<ModelAPI_AttributeDouble>(data()->attribute(CIRCLE_ATTR_RADIUS));
+        double aRadius = aRadiusAttr->value();
+
+        boost::shared_ptr<GeomAPI_Shape> aCircleShape = 
+                                GeomAlgoAPI_EdgeBuilder::lineCircle(aCenter, aNormal, aRadius);
+        aShapes.push_back(aCircleShape);
+      }
     }
     boost::shared_ptr<GeomAPI_Shape> aCompound = GeomAlgoAPI_CompoundBuilder::compound(aShapes);
     setPreview(aCompound);
   }
   return getPreview();
 }
+
+void SketchPlugin_Circle::move(double theDeltaX, double theDeltaY)
+{
+  boost::shared_ptr<ModelAPI_Data> aData = data();
+  if (!aData->isValid())
+    return;
+
+  boost::shared_ptr<GeomDataAPI_Point2D> aPoint1 =
+        boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(CIRCLE_ATTR_CENTER));
+  aPoint1->setValue(aPoint1->x() + theDeltaX, aPoint1->y() + theDeltaY);
+}
+
+double SketchPlugin_Circle::distanceToPoint(const boost::shared_ptr<GeomAPI_Pnt2d>& thePoint)
+{
+  boost::shared_ptr<ModelAPI_Data> aData = data();
+  boost::shared_ptr<GeomDataAPI_Point2D> aPoint =
+        boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(CIRCLE_ATTR_CENTER));
+
+  return aPoint->pnt()->distance(thePoint);
+}