From 7cbd26d475eaad817042692f9116f9a24ae60997 Mon Sep 17 00:00:00 2001
From: Pushkar Joshi
Date: Tue, 28 Feb 2012 10:24:06 -0800
Subject: Bug fixes:

1152: allow deleting of multiple paths from inside pen tool
1128: keyboard hotkey shortcut 'P' for pen tool
941: changing width or height of the path scales the path
---
 js/helper-classes/RDGE/GLAnchorPoint.js |  7 ++++
 js/helper-classes/RDGE/GLSubpath.js     | 64 ++++++++++++++++++++++++++++++---
 2 files changed, 66 insertions(+), 5 deletions(-)

(limited to 'js/helper-classes/RDGE')

diff --git a/js/helper-classes/RDGE/GLAnchorPoint.js b/js/helper-classes/RDGE/GLAnchorPoint.js
index 716f59d4..c3e95b34 100755
--- a/js/helper-classes/RDGE/GLAnchorPoint.js
+++ b/js/helper-classes/RDGE/GLAnchorPoint.js
@@ -133,6 +133,13 @@ GLAnchorPoint.prototype.translateAll = function (x, y, z) {
 }
 
 
+GLAnchorPoint.prototype.scaleAll = function(sx,sy,sz){
+    this._x *= sx;this._prevX *= sx;this._nextX *= sx;
+    this._y *= sy;this._prevY *= sy;this._nextY *= sy;
+    this._z *= sz;this._prevZ *= sz;this._nextZ *= sz;
+}
+
+
 // ********* getters **********
 GLAnchorPoint.prototype.getPosX = function () { return this._x; }
 GLAnchorPoint.prototype.getPosY = function () { return this._y; }
diff --git a/js/helper-classes/RDGE/GLSubpath.js b/js/helper-classes/RDGE/GLSubpath.js
index 3200cf59..7beb11b9 100755
--- a/js/helper-classes/RDGE/GLSubpath.js
+++ b/js/helper-classes/RDGE/GLSubpath.js
@@ -178,6 +178,65 @@ function GLSubpath() {
     } //render()
 
     this.geomType = function () { return this.GEOM_TYPE_CUBIC_BEZIER; }
+
+
+    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
+        //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];
+        if (oldWidth<1){
+            oldWidth=1;
+        }
+        var scaleX = newW/oldWidth;
+        if (scaleX===1){
+            return; //no need to do anything
+        }
+
+        //scale the anchor point positions such that the width of the bbox is the newW
+        var origX = this._BBoxMin[0];
+        var numAnchors = this._Anchors.length;
+        for (var i=0;i<numAnchors;i++){
+            //compute the distance from the bboxMin
+            var oldW = this._Anchors[i].getPosX() - origX;
+            var prevW = this._Anchors[i].getPrevX() - origX;
+            var nextW = this._Anchors[i].getNextX() - origX;
+
+            this._Anchors[i].setPos(origX + oldW*scaleX,this._Anchors[i].getPosY(),this._Anchors[i].getPosZ());
+            this._Anchors[i].setPrevPos(origX + prevW*scaleX,this._Anchors[i].getPrevY(),this._Anchors[i].getPrevZ());
+            this._Anchors[i].setNextPos(origX + nextW*scaleX,this._Anchors[i].getNextY(),this._Anchors[i].getNextZ());
+        }
+        this.makeDirty();
+    }
+    this.setHeight = function (newH) {
+        //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];
+        if (oldHeight<1){
+            oldHeight=1;
+        }
+        var scaleY = newH/oldHeight;
+        if (scaleY===1){
+            return; //no need to do anything
+        }
+
+        //scale the anchor point positions such that the height of the bbox is the newH
+        var origY = this._BBoxMin[1];
+        var numAnchors = this._Anchors.length;
+        for (var i=0;i<numAnchors;i++){
+            //compute the distance from the bboxMin
+            var oldW = this._Anchors[i].getPosY() - origY;
+            var prevW = this._Anchors[i].getPrevY() - origY;
+            var nextW = this._Anchors[i].getNextY() - origY;
+
+            this._Anchors[i].setPos(this._Anchors[i].getPosX(), origY + oldW*scaleY,this._Anchors[i].getPosZ());
+            this._Anchors[i].setPrevPos(this._Anchors[i].getPrevX(), origY + prevW*scaleY,this._Anchors[i].getPrevZ());
+            this._Anchors[i].setNextPos(this._Anchors[i].getNextX(), origY + nextW*scaleY,this._Anchors[i].getNextZ());
+        }
+        this.makeDirty();
+    }
+
 } //function GLSubpath ...class definition
 
 
@@ -573,11 +632,6 @@ GLSubpath.prototype.setFillMaterial = function(m){ this._fillMaterial = m;}
 GLSubpath.prototype.getFillColor = function() {return this._fillColor;}
 GLSubpath.prototype.setFillColor = function(c){this._fillColor = c;}
 
-GLSubpath.prototype.setWidth = function () {//NO-OP for now
-}
-GLSubpath.prototype.setHeight = function () {//NO-OP for now
-}
-
 GLSubpath.prototype.copyFromSubpath = function (subpath) {
     this.clearAllAnchors();
     for (var i = 0; i < subpath.getNumAnchors(); i++) {
-- 
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