Merge branch 'master' of https://github.com/paperjs/paper.js

* 'master' of https://github.com/paperjs/paper.js:
  Bump version number to 0.9.1
  Fix issue with local paper variable shielding global one.
  Reset transformation matrix when blitting off-screen canvas.

package.json

@@ -1,6 +1,6 @@
 {
 	"name": "paper",
-	"version": "0.9.0",
+	"version": "0.9.1",
 	"main": "./src/node/index.js",
 	"engines": { "node": ">= 0.4.0" },
 	"dependencies": {

src/core/PaperScopeItem.js

@@ -27,7 +27,7 @@ var PaperScopeItem = Base.extend(Callback, /** @lends PaperScopeItem# */{
 	initialize: function(activate) {
 		// Store reference to the currently active global paper scope:
 		this._scope = paper;
-		// Push it onto this._scope.projects and set index:
+		// Push it onto this._scope[this._list] and set _index:
 		this._index = this._scope[this._list].push(this) - 1;
 		// If the project has no active reference, activate this one
 		if (activate || !this._scope[this._reference])

src/export.js

@@ -12,7 +12,7 @@
 
 // Add PaperScript and Numerical to exports, inject all exports into PaperScope,
 // and create the initial paper object, all in one condensed statement:
-var paper = new (PaperScope.inject(Base.exports.inject({
+paper = new (PaperScope.inject(Base.exports.inject({
 	PaperScript: PaperScript,
 	Numerical: Numerical
 })))();

src/item/Item.js

@@ -2915,6 +2915,9 @@ var Item = Base.extend(Callback, /** @lends Item# */{
 				// Otherwise just set the globalAlpha before drawing the
 				// temporary canvas on the parent canvas.
 				parentCtx.save();
+				// Reset transformations, since we're blitting and pixel
+				// scale and with a given offset.
+				parentCtx.setTransform(1, 0, 0, 1, 0, 0);
 				parentCtx.globalAlpha = this._opacity;
 				parentCtx.drawImage(ctx.canvas, itemOffset.x, itemOffset.y);
 				parentCtx.restore();