5 files changed, 103 insertions, 112 deletions

diff --git a/js/document/html-document.js b/js/document/html-document.js
index 42a7d537..5538229c 100755
--- a/js/document/html-document.js
+++ b/js/document/html-document.js
@@ -345,6 +345,10 @@ exports.HTMLDocument = Montage.create(TextDocument, {
                         elementModel.pi = "BrushStrokePi";
                                                 break;
 
+                    case root.GEOM_TYPE_CUBIC_BEZIER:
+                        elementModel.selection = "Subpath";
+                        elementModel.pi = "SubpathPi";
+                        break;
 
                                         default:
                                                 console.log( "geometry type not supported for file I/O, " + root.geomType());
diff --git a/js/lib/drawing/world.js b/js/lib/drawing/world.js
index 5a054224..a1a5b5ae 100755
--- a/js/lib/drawing/world.js
+++ b/js/lib/drawing/world.js
@@ -943,7 +943,7 @@ World.prototype.importObjectJSON = function( jObj, parentGeomObj )
 {
         var type = jObj.type;
     var BrushStroke = require("js/lib/geom/brush-stroke").BrushStroke;
-
+    var SubPath = require("js/lib/geom/sub-path").SubPath;
         var obj;
         switch (type)
         {
@@ -962,6 +962,11 @@ World.prototype.importObjectJSON = function( jObj, parentGeomObj )
             obj.importJSON( jObj );
             break;
 
+        case 5:     //cubic bezier
+            obj = new SubPath();
+            obj.importJSON(jObj);
+            break;
+
         case 6:     //brush stroke
             obj = new BrushStroke();
             obj.importJSON(jObj);
diff --git a/js/lib/geom/brush-stroke.js b/js/lib/geom/brush-stroke.js
index e93c9382..2a751a89 100755
--- a/js/lib/geom/brush-stroke.js
+++ b/js/lib/geom/brush-stroke.js
@@ -541,6 +541,10 @@ var BrushStroke = function GLBrushStroke() {
         var bboxWidth = bboxMax[0] - bboxMin[0];
         var bboxHeight = bboxMax[1] - bboxMin[1];
 
+        if (!this._canvas){
+            //set the canvas by querying the world
+            this._canvas = this.getWorld().getCanvas();
+        }
         if (this._canvas) {
             var newLeft = Math.round(this._stageWorldCenter[0] - 0.5 * bboxWidth);
             var newTop = Math.round(this._stageWorldCenter[1] - 0.5 * bboxHeight);
@@ -550,7 +554,7 @@ var BrushStroke = function GLBrushStroke() {
 
             CanvasController.setProperty(this._canvas, "width", bboxWidth+"px");
             CanvasController.setProperty(this._canvas, "height", bboxHeight+"px");
-            this._canvas.elementModel.shapeModel.GLWorld.setViewportFromCanvas(this._canvas);
+            //this._canvas.elementModel.shapeModel.GLWorld.setViewportFromCanvas(this._canvas);
         }
 
 
@@ -662,8 +666,8 @@ var BrushStroke = function GLBrushStroke() {
         this._copyCoordinates3D(this._OrigLocalPoints, retObject.origLocalPoints); //todo <ditto>
 
         retObject.stageWorldCenter = [this._stageWorldCenter[0],this._stageWorldCenter[1],this._stageWorldCenter[2]];
-        retObject.planeMat = [this._planeMat[0],this._planeMat[1],this._planeMat[2],this._planeMat[3]];
-        retObject.planeMatInv = [this._planeMatInv[0],this._planeMatInv[1],this._planeMatInv[2],this._planeMatInv[3]];
+        retObject.planeMat = this._planeMat;
+        retObject.planeMatInv = this._planeMatInv;
         retObject.dragPlane = [this._dragPlane[0],this._dragPlane[1],this._dragPlane[2],this._dragPlane[3]];
 
         //stroke appearance properties
@@ -691,8 +695,8 @@ var BrushStroke = function GLBrushStroke() {
         this._copyCoordinates3D(jo.origLocalPoints, this._OrigLocalPoints); //todo <ditto>
 
         this._stageWorldCenter = [jo.stageWorldCenter[0],jo.stageWorldCenter[1],jo.stageWorldCenter[2]];
-        this._planeMat = [jo.planeMat[0], jo.planeMat[1],jo.planeMat[2],jo.planeMat[3]];
-        this._planeMatInv = [jo.planeMatInv[0],jo.planeMatInv[1],jo.planeMatInv[2],jo.planeMatInv[3]];
+        this._planeMat = jo.planeMat;
+        this._planeMatInv = jo.planeMatInv;
         this._dragPlane = [jo.dragPlane[0],jo.dragPlane[1],jo.dragPlane[2],jo.dragPlane[3]];
 
         //stroke appearance properties
diff --git a/js/lib/geom/sub-path.js b/js/lib/geom/sub-path.js
index d8d74928..35070915 100755
--- a/js/lib/geom/sub-path.js
+++ b/js/lib/geom/sub-path.js
@@ -95,6 +95,7 @@ var GLSubpath = function GLSubpath() {
     this._planeMat = null;
     this._planeMatInv = null;
     this._planeCenter = null;
+    this._dragPlane = null;
 
     //used to query what the user selected, OR-able for future extensions
     this.SEL_NONE = 0;          //nothing was selected
@@ -130,7 +131,10 @@ var GLSubpath = function GLSubpath() {
         // get the world
         var world = this.getWorld();
         if (!world)  throw( "null world in subpath render" );
-
+        if (!this._canvas){
+            //set the canvas by querying the world
+            this._canvas = this.getWorld().getCanvas();
+        }
         // get the context
         var ctx = world.get2DContext();
         if (!ctx)  throw ("null context in subpath render");
@@ -145,42 +149,19 @@ var GLSubpath = function GLSubpath() {
         //build the coordinates of the samples in 2D (canvas) space (localDirty bit checked in buildLocalCoord
         this.buildLocalCoord();
 
-        //
+        //figure the size of the area we will draw into
         var bboxWidth=0, bboxHeight=0;
-        //var bboxMid=[0,0,0];
         if (useLocalCoord){
             bboxWidth = this._LocalBBoxMax[0] - this._LocalBBoxMin[0];
             bboxHeight = this._LocalBBoxMax[1] - this._LocalBBoxMin[1];
-            //bboxMid = [0.5 * (this._LocalBBoxMax[0] + this._LocalBBoxMin[0]), 0.5 * (this._LocalBBoxMax[1] + this._LocalBBoxMin[1]), 0.5 * (this._LocalBBoxMax[2] + this._LocalBBoxMin[2])];
         }
         else {
             var bboxMin = this.getBBoxMin();
             var bboxMax = this.getBBoxMax();
             bboxWidth = bboxMax[0] - bboxMin[0];
             bboxHeight = bboxMax[1] - bboxMin[1];
-            //bboxMid = [0.5 * (bboxMax[0] + bboxMin[0]), 0.5 * (bboxMax[1] + bboxMin[1]), 0.5 * (bboxMax[2] + bboxMin[2])];
         }
 
-        if (this._canvas) {
-            /*
-            var ViewUtils = require("js/helper-classes/3D/view-utils").ViewUtils;
-            //compute the plane center as the midpoint of the local bbox converted to stage world space
-            var planeCenter =  ViewUtils.localToStageWorld(bboxMid, this._canvas);
-            planeCenter[0]+=400; planeCenter[1]+=300; //todo replace these lines with the correct call for the offset
-            console.log("PEN: local bboxMid: "+ bboxMid +", stage-world bboxMid: "+ planeCenter);
-            var newLeft = planeCenter[0] - 0.5*bboxWidth;
-            console.log("PEN: newLeft: "+ newLeft +", bboxWidth: "+bboxWidth);
-            newLeft = Math.round(newLeft);//Math.round(this._planeCenter[0] - 0.5 * bboxWidth);
-            console.log("PEN: newLeft rounded: "+ newLeft);
-            var newTop = Math.round(planeCenter[1] - 0.5 * bboxHeight);//Math.round(this._planeCenter[1] - 0.5 * bboxHeight);
-            //assign the new position, width, and height as the canvas dimensions through the canvas controller
-            CanvasController.setProperty(this._canvas, "left", newLeft+"px");
-            CanvasController.setProperty(this._canvas, "top", newTop+"px");
-            CanvasController.setProperty(this._canvas, "width", bboxWidth+"px");
-            CanvasController.setProperty(this._canvas, "height", bboxHeight+"px");
-            this._canvas.elementModel.shapeModel.GLWorld.setViewportFromCanvas(this._canvas);
-            */
-        }
         ctx.save();
         ctx.clearRect(0, 0, bboxWidth, bboxHeight);
 
@@ -354,6 +335,10 @@ GLSubpath.prototype.setPlaneMatrix = function(planeMat){
     this._planeMat = planeMat;
 };
 
+GLSubpath.prototype.setDragPlane = function(p){
+    this._dragPlane = p;
+};
+
 GLSubpath.prototype.setPlaneMatrixInverse = function(planeMatInv){
     this._planeMatInv = planeMatInv;
 };
@@ -867,6 +852,12 @@ GLSubpath.prototype.getStrokeWidth = function () {
 };
 
 GLSubpath.prototype.translateSubpathPerCanvas = function(elemMediator){
+    if (!this._canvas){
+        if (!this.getWorld())
+            return; //cannot do anything if there is no world
+        //set the canvas by querying the world
+        this._canvas = this.getWorld().getCanvas();
+    }
     //check if the canvas was translated
     var penCanvasCurrentLeft = parseInt(elemMediator.getProperty(this._canvas, "left"));//parseFloat(DocumentControllerModule.DocumentController.GetElementStyle(this._penCanvas, "left"));
     var penCanvasCurrentTop = parseInt(elemMediator.getProperty(this._canvas, "top"));//parseFloat(DocumentControllerModule.DocumentController.GetElementStyle(this._penCanvas, "top"));
@@ -1516,95 +1507,75 @@ GLSubpath.prototype.isPointInQuad2D = function(r0,r1,r2,r3,p){
     return false;
 };
 
-GLSubpath.prototype.export = function() {
-    var rtnStr = "type: " + this.geomType() + "\n";
-
-    rtnStr += "strokeWidth: "   + this._strokeWidth     + "\n";
-    rtnStr += "strokeStyle: "   + this._strokeStyle     + "\n";
-
-    rtnStr += "strokeMat: ";
-    if (this._strokeMaterial)
-        rtnStr += this._strokeMaterial.getName();
-    else
-        rtnStr += "flatMaterial";
-    rtnStr += "\n";
-
+GLSubpath.prototype.exportJSON = function() {
+    var retObject= new Object();
+    //the type of this object
+    retObject.type = this.geomType();
+    retObject.geomType = retObject.type;