From 86837dbecc3aac83fbfaba85a2b4bbab5413479e Mon Sep 17 00:00:00 2001
From: Tj Holowaychuk <tj@vision-media.ca>
Date: Sat, 6 Nov 2010 14:25:16 -0700
Subject: [PATCH] Added Context2d::{save,restore}()

---
 src/CanvasRenderingContext2d.cc | 28 +++++++++++++++++++++++-----
 src/CanvasRenderingContext2d.h  |  2 ++
 2 files changed, 25 insertions(+), 5 deletions(-)

diff --git a/src/CanvasRenderingContext2d.cc b/src/CanvasRenderingContext2d.cc
index 5c59af3..030e429 100644
--- a/src/CanvasRenderingContext2d.cc
+++ b/src/CanvasRenderingContext2d.cc
@@ -171,6 +171,26 @@ Context2d::~Context2d() {
   cairo_destroy(_context);
 }
 
+/*
+ * Save cairo / canvas state.
+ */
+
+void
+Context2d::save() {
+  cairo_save(_context);
+  saveState();
+}
+
+/*
+ * Restore cairo / canvas state.
+ */
+
+void
+Context2d::restore() {
+  cairo_restore(_context);
+  restoreState();
+}
+
 /*
  * Save the current state.
  */
@@ -630,8 +650,7 @@ Handle<Value>
 Context2d::Save(const Arguments &args) {
   HandleScope scope;
   Context2d *context = ObjectWrap::Unwrap<Context2d>(args.This());
-  cairo_save(context->getContext());
-  context->saveState();
+  context->save();
   return Undefined();
 }
 
@@ -643,8 +662,7 @@ Handle<Value>
 Context2d::Restore(const Arguments &args) {
   HandleScope scope;
   Context2d *context = ObjectWrap::Unwrap<Context2d>(args.This());
-  cairo_restore(context->getContext());
-  context->restoreState();
+  context->restore();
   return Undefined();
 }
 
@@ -1082,7 +1100,7 @@ Context2d::StrokeRect(const Arguments &args) {
   Context2d *context = ObjectWrap::Unwrap<Context2d>(args.This());
   cairo_t *ctx = context->getContext();
   cairo_new_path(ctx);
-  
+
   if (!context->hasShadow()) {
     cairo_rectangle(ctx, x, y, width, height);
     SET_SOURCE(context->state->stroke);
diff --git a/src/CanvasRenderingContext2d.h b/src/CanvasRenderingContext2d.h
index f9229ac..142fb65 100644
--- a/src/CanvasRenderingContext2d.h
+++ b/src/CanvasRenderingContext2d.h
@@ -104,6 +104,8 @@ class Context2d: public node::ObjectWrap {
     void setTextPath(const char *str, double x, double y);
     void savePath();
     void restorePath();
+    void save();
+    void restore();
     void saveState();
     void restoreState();