From 72a762627e7fc8c3692f6f130293ad9daed6fb02 Mon Sep 17 00:00:00 2001
From: Tj Holowaychuk <tj@vision-media.ca>
Date: Wed, 29 Sep 2010 15:04:45 -0700
Subject: [PATCH] Added save() / restore()

---
 src/context2d.cc | 26 ++++++++++++++++++++++++++
 src/context2d.h  |  2 ++
 2 files changed, 28 insertions(+)

diff --git a/src/context2d.cc b/src/context2d.cc
index 47fc077..02f7f59 100644
--- a/src/context2d.cc
+++ b/src/context2d.cc
@@ -84,6 +84,8 @@ Context2d::Initialize(Handle<Object> target) {
 
   // Prototype
   Local<ObjectTemplate> proto = t->PrototypeTemplate();
+  NODE_SET_PROTOTYPE_METHOD(t, "save", Save);
+  NODE_SET_PROTOTYPE_METHOD(t, "restore", Restore);
   NODE_SET_PROTOTYPE_METHOD(t, "fill", Fill);
   NODE_SET_PROTOTYPE_METHOD(t, "stroke", Stroke);
   NODE_SET_PROTOTYPE_METHOD(t, "fillRect", FillRect);
@@ -306,6 +308,30 @@ Context2d::BezierCurveTo(const Arguments &args) {
   return Undefined();
 }
 
+/*
+ * Save state.
+ */
+
+Handle<Value>
+Context2d::Save(const Arguments &args) {
+  HandleScope scope;
+  Context2d *context = ObjectWrap::Unwrap<Context2d>(args.This());
+  cairo_save(context->getContext());
+  return Undefined();
+}
+
+/*
+ * Restore state.
+ */
+
+Handle<Value>
+Context2d::Restore(const Arguments &args) {
+  HandleScope scope;
+  Context2d *context = ObjectWrap::Unwrap<Context2d>(args.This());
+  cairo_restore(context->getContext());
+  return Undefined();
+}
+
 /*
  * Creates a new subpath.
  */
diff --git a/src/context2d.h b/src/context2d.h
index 973d80d..65aa269 100644
--- a/src/context2d.h
+++ b/src/context2d.h
@@ -21,6 +21,8 @@ class Context2d: public node::ObjectWrap {
     rgba_t stroke;
     static void Initialize(Handle<Object> target);
     static Handle<Value> New(const Arguments &args);
+    static Handle<Value> Save(const Arguments &args);
+    static Handle<Value> Restore(const Arguments &args);
     static Handle<Value> BeginPath(const Arguments &args);
     static Handle<Value> ClosePath(const Arguments &args);
     static Handle<Value> Fill(const Arguments &args);