Added pushState()

src/context2d.cc

@@ -132,12 +132,9 @@ Context2d::Context2d(Canvas *canvas): ObjectWrap() {
   _canvas = canvas;
   _context = cairo_create(canvas->getSurface());
   cairo_set_line_width(_context, 1);
-  state = (canvas_state_t *) malloc(sizeof(canvas_state_t));
-  state->fillPattern = state->strokePattern = NULL;
   shadowBlur = shadowOffsetX = shadowOffsetY = 0;
   globalAlpha = -1;
-  RGBA(state->fill,0,0,0,1);
-  RGBA(state->stroke,0,0,0,1);
+  pushState();
 }
 
 /*
@@ -148,6 +145,14 @@ Context2d::~Context2d() {
   cairo_destroy(_context);
 }
 
+void
+Context2d::pushState() {
+  states[stateno = 0] = state = (canvas_state_t *) malloc(sizeof(canvas_state_t));
+  state->fillPattern = state->strokePattern = NULL;
+  RGBA(state->fill,0,0,0,1);
+  RGBA(state->stroke,0,0,0,1);
+}
+
 /*
  * Get global alpha.
  */

src/context2d.h

@@ -33,6 +33,7 @@ typedef struct {
 class Context2d: public node::ObjectWrap {
   public:
     // TODO: resize
+    short stateno;
     canvas_state_t *states[64];
     canvas_state_t *state;
     rgba_t shadow;
@@ -89,6 +90,7 @@ class Context2d: public node::ObjectWrap {
     static void SetShadowBlur(Local<String> prop, Local<Value> val, const AccessorInfo &info);
     inline cairo_t *getContext(){ return _context; }
     inline Canvas *getCanvas(){ return _canvas; }
+    void pushState();
 
   protected:
     Context2d(Canvas *canvas);