From e1a65d0c2a13e12ee53be98c731616e35aa07a41 Mon Sep 17 00:00:00 2001
From: Pushkar Joshi
Date: Tue, 28 Feb 2012 13:58:34 -0800
Subject: new anchor control guide rendering (smaller handles)

and
clamp min. width and height to 1 while resizing subpaths
---
 js/helper-classes/RDGE/GLSubpath.js |  6 ++-
 js/tools/PenTool.js                 | 83 +++++++++++++++++++++++++++----------
 2 files changed, 65 insertions(+), 24 deletions(-)

(limited to 'js')

diff --git a/js/helper-classes/RDGE/GLSubpath.js b/js/helper-classes/RDGE/GLSubpath.js
index 7beb11b9..f3d8ad36 100755
--- a/js/helper-classes/RDGE/GLSubpath.js
+++ b/js/helper-classes/RDGE/GLSubpath.js
@@ -181,8 +181,8 @@ function GLSubpath() {
 
 
     this.setWidth = function (newW) {
-        //todo this doesn't work in cases where the newW is zero or if the previous width was 0/1 (i.e. the path had become degenerate in width)
-        //todo same as above for the setHeight function below
+        if (newW<1)
+            newW=1; //clamp minimum width to 1
         //scale the contents of this subpath to lie within this width
         //determine the scale factor by comparing with the old width
         var oldWidth = this._BBoxMax[0]-this._BBoxMin[0];
@@ -210,6 +210,8 @@ function GLSubpath() {
         this.makeDirty();
     }
     this.setHeight = function (newH) {
+        if (newH<1)
+            newH=1; //clamp minimum width to 1
         //scale the contents of this subpath to lie within this height
         //determine the scale factor by comparing with the old height
         var oldHeight = this._BBoxMax[1]-this._BBoxMin[1];
diff --git a/js/tools/PenTool.js b/js/tools/PenTool.js
index bb9c71e7..ddc8bc04 100755
--- a/js/tools/PenTool.js
+++ b/js/tools/PenTool.js
@@ -66,14 +66,14 @@ exports.PenTool = Montage.create(ShapeTool, {
     _penPlaneMat: { value: null, writable: true },
 
     //index of the anchor point that the user has hovered over
-    _hoveredAnchorIndex: {value: null, writable: true},
+    _hoveredAnchorIndex: {value: -1, writable: true},
 
     //constants used for picking points --- NOTE: these should be user-settable parameters
     _PICK_POINT_RADIUS: { value: 10, writable: false },
     _DISPLAY_ANCHOR_RADIUS: { value: 5, writable: false },
     _DISPLAY_SELECTED_ANCHOR_RADIUS: { value: 10, writable: false },
-    _DISPLAY_SELECTED_ANCHOR_PREV_RADIUS: { value: 5, writable: false },
-    _DISPLAY_SELECTED_ANCHOR_NEXT_RADIUS: { value: 5, writable: false },
+    _DISPLAY_SELECTED_ANCHOR_PREV_RADIUS: { value: 2, writable: false },
+    _DISPLAY_SELECTED_ANCHOR_NEXT_RADIUS: { value: 2, writable: false },
 
     //constants used for editing modes (can be OR-ed)
     EDIT_NONE: { value: 0, writable: false },
@@ -760,9 +760,7 @@ exports.PenTool = Montage.create(ShapeTool, {
             var verticalOffset = this.application.ninja.stage.userContentTop;
             //display the subpath as a sequence of cubic beziers
             ctx.lineWidth = 1;//TODO replace hardcoded stroke width with some programmatically set value (should not be same as stroke width)
-            if (ctx.lineWidth == subpath.getStrokeWidth())
-                ctx.lineWidth = 3;
-            ctx.strokeStyle = "black";
+            ctx.strokeStyle = "green";
             //if (subpath.getStrokeColor())
 			//    ctx.strokeStyle = MathUtils.colorToHex( subpath.getStrokeColor() );
             ctx.beginPath();
@@ -812,34 +810,53 @@ exports.PenTool = Montage.create(ShapeTool, {
             var verticalOffset = this.application.ninja.stage.userContentTop;//stageManagerModule.stageManager.userContentTop;
 
             //display circles and squares near all control points 
-            ctx.fillStyle = "#FF4444";
-            ctx.lineWidth = 2;
-            ctx.strokeStyle = "black";
+            ctx.fillStyle = "#FFFFFF";
+            ctx.lineWidth = 1;
+            ctx.strokeStyle = "green";
+            var anchorDelta = 2;
+            var selAnchorDelta = 4;
+
             for (var i = 0; i < numAnchors; i++) {
                 var px = subpath.getAnchor(i).getPosX();
                 var py = subpath.getAnchor(i).getPosY();
                 ctx.beginPath();
-                ctx.arc(px + horizontalOffset, py + verticalOffset, this._DISPLAY_ANCHOR_RADIUS, 0, 2 * Math.PI, false);
+                //ctx.arc(px + horizontalOffset, py + verticalOffset, this._DISPLAY_ANCHOR_RADIUS, 0, 2 * Math.PI, false);
+                ctx.moveTo(px-anchorDelta+horizontalOffset, py-anchorDelta+verticalOffset);
+                ctx.lineTo(px+anchorDelta+horizontalOffset, py-anchorDelta+verticalOffset);
+                ctx.lineTo(px+anchorDelta+horizontalOffset, py+anchorDelta+verticalOffset);
+                ctx.lineTo(px-anchorDelta+horizontalOffset, py+anchorDelta+verticalOffset);
+                ctx.closePath();
                 ctx.fill();
                 ctx.stroke();
             }
 
             //display the hovered over anchor point
             ctx.lineWidth = 2;
-            ctx.strokeStyle = "black";
-            if (this._hoveredAnchorIndex && this._hoveredAnchorIndex>=0 && this._hoveredAnchorIndex<numAnchors) {
+            if (this._hoveredAnchorIndex>=0 && this._hoveredAnchorIndex<numAnchors) {
                 var px = subpath.getAnchor(this._hoveredAnchorIndex).getPosX();
                 var py = subpath.getAnchor(this._hoveredAnchorIndex).getPosY();
                 ctx.beginPath();
-                ctx.arc(px + horizontalOffset, py + verticalOffset, this._DISPLAY_ANCHOR_RADIUS*1.5, 0, 2 * Math.PI, false);
+                //ctx.arc(px + horizontalOffset, py + verticalOffset, this._DISPLAY_ANCHOR_RADIUS*1.5, 0, 2 * Math.PI, false);
+                ctx.moveTo(px-selAnchorDelta+horizontalOffset, py-selAnchorDelta+verticalOffset);
+                ctx.lineTo(px+selAnchorDelta+horizontalOffset, py-selAnchorDelta+verticalOffset);
+                ctx.lineTo(px+selAnchorDelta+horizontalOffset, py+selAnchorDelta+verticalOffset);
+                ctx.lineTo(px-selAnchorDelta+horizontalOffset, py+selAnchorDelta+verticalOffset);
+                ctx.closePath();
                 ctx.stroke();
             }
 
+
             //display selected anchor and its prev. and next points
             if (this._selectedSubpath && subpath === this._selectedSubpath && this._selectedSubpath.getSelectedAnchorIndex()!== -1) {
-                ctx.lineWidth = 2;
-                ctx.strokeStyle = "black";
+                ctx.lineWidth = 1;
+                var defFill = "#FFFFFF";
+                var defStroke = "green";
+                var selHandleFill = "#000000"
+
+                ctx.strokeStyle = defStroke;
+                ctx.fillStyle = defFill;
                 var selAnchor = this._selectedSubpath.getAnchor(this._selectedSubpath.getSelectedAnchorIndex());
+                var whichPoint = this._selectedSubpath.getSelectedMode(); //which of the selected handles to highlight
 
                 //line from prev to anchor
                 ctx.beginPath();
@@ -848,10 +865,16 @@ exports.PenTool = Montage.create(ShapeTool, {
                 ctx.stroke();
 
                 //selected anchor prev
-                ctx.fillStyle = "#AAAAAA";
                 ctx.beginPath();
                 ctx.arc(selAnchor.getPrevX() + horizontalOffset, selAnchor.getPrevY() + verticalOffset, this._DISPLAY_SELECTED_ANCHOR_PREV_RADIUS, 0, 2 * Math.PI, false);
-                ctx.fill();
+                ctx.closePath();
+                if (whichPoint & this._selectedSubpath.SEL_PREV){
+                    ctx.fillStyle = selHandleFill;
+                    ctx.fill();
+                    ctx.fillStyle = defFill;
+                }else {
+                    ctx.fill();
+                }
                 ctx.stroke();
 
                 //line from next to anchor
@@ -861,16 +884,27 @@ exports.PenTool = Montage.create(ShapeTool, {
                 ctx.stroke();
 
                 //selected anchor next
-                ctx.fillStyle = "#666666";
                 ctx.beginPath();
                 ctx.arc(selAnchor.getNextX() + horizontalOffset, selAnchor.getNextY() + verticalOffset, this._DISPLAY_SELECTED_ANCHOR_NEXT_RADIUS, 0, 2 * Math.PI, false);
-                ctx.fill();
+                if (whichPoint & this._selectedSubpath.SEL_NEXT){
+                    ctx.fillStyle = selHandleFill;
+                    ctx.fill();
+                    ctx.fillStyle = defFill;
+                }else {
+                    ctx.fill();
+                }
                 ctx.stroke();
 
                 //selected anchor point
-                ctx.fillStyle = "#8ED6FF";
+                var px = selAnchor.getPosX();
+                var py = selAnchor.getPosY();
                 ctx.beginPath();
-                ctx.arc(selAnchor.getPosX() + horizontalOffset, selAnchor.getPosY() + verticalOffset, this._DISPLAY_SELECTED_ANCHOR_RADIUS, 0, 2 * Math.PI, false);
+                //ctx.arc(selAnchor.getPosX() + horizontalOffset, selAnchor.getPosY() + verticalOffset, this._DISPLAY_SELECTED_ANCHOR_RADIUS, 0, 2 * Math.PI, false);
+                ctx.moveTo(px-selAnchorDelta+horizontalOffset, py-selAnchorDelta+verticalOffset);
+                ctx.lineTo(px+selAnchorDelta+horizontalOffset, py-selAnchorDelta+verticalOffset);
+                ctx.lineTo(px+selAnchorDelta+horizontalOffset, py+selAnchorDelta+verticalOffset);
+                ctx.lineTo(px-selAnchorDelta+horizontalOffset, py+selAnchorDelta+verticalOffset);
+                ctx.closePath();
                 ctx.fill();
                 ctx.stroke();
 
@@ -879,7 +913,12 @@ exports.PenTool = Montage.create(ShapeTool, {
                     ctx.lineWidth = 2;
                     ctx.strokeStyle = "red";
                     ctx.beginPath();
-                    ctx.arc(this._snapTarget.getPosX() + horizontalOffset, this._snapTarget.getPosY() + verticalOffset, this._DISPLAY_SELECTED_ANCHOR_RADIUS * 2, 0, 2 * Math.PI, false);
+                    //ctx.arc(this._snapTarget.getPosX() + horizontalOffset, this._snapTarget.getPosY() + verticalOffset, this._DISPLAY_SELECTED_ANCHOR_RADIUS * 2, 0, 2 * Math.PI, false);
+                    ctx.moveTo(px-selAnchorDelta+horizontalOffset, py-selAnchorDelta+verticalOffset);
+                    ctx.lineTo(px+selAnchorDelta+horizontalOffset, py-selAnchorDelta+verticalOffset);
+                    ctx.lineTo(px+selAnchorDelta+horizontalOffset, py+selAnchorDelta+verticalOffset);
+                    ctx.lineTo(px-selAnchorDelta+horizontalOffset, py+selAnchorDelta+verticalOffset);
+                    ctx.closePath();
                     ctx.stroke();
                 }
             } //if this._selectedSubpath && subpath === this._selectedSubpath && this._selectedSubpath.getSelectedAnchorIndex()!== -1
-- 
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