Merge branch 'fix-canvas-resize'

src/Canvas.cc

@@ -6,6 +6,7 @@
 //
 
 #include "Canvas.h"
+#include "CanvasRenderingContext2d.h"
 #include "closure.h"
 #include <assert.h>
 #include <stdlib.h>
@@ -81,7 +82,7 @@ Canvas::SetWidth(Local<String> prop, Local<Value> val, const AccessorInfo &info)
   if (val->IsNumber()) {
     Canvas *canvas = ObjectWrap::Unwrap<Canvas>(info.This());
     canvas->width = val->Uint32Value();
-    canvas->resurface();
+    canvas->resurface(info.This());
   }
 }
 
@@ -104,7 +105,7 @@ Canvas::SetHeight(Local<String> prop, Local<Value> val, const AccessorInfo &info
   if (val->IsNumber()) {
     Canvas *canvas = ObjectWrap::Unwrap<Canvas>(info.This());
     canvas->height = val->Uint32Value();
-    canvas->resurface();
+    canvas->resurface(info.This());
   }
 }
 
@@ -286,9 +287,19 @@ Canvas::~Canvas() {
  */
 
 void
-Canvas::resurface() {
+Canvas::resurface(Handle<Object> canvas) {
+  HandleScope scope;
+
+  // Re-surface
   cairo_surface_destroy(_surface);
   _surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height);
+
+  // Reset context
+  Local<Value> context = canvas->Get(String::New("context")); 
+  Context2d *context2d = ObjectWrap::Unwrap<Context2d>(context->ToObject());
+  cairo_t *prev = context2d->context();
+  context2d->setContext(cairo_create(surface()));
+  cairo_destroy(prev);
 }
 
 /*

src/Canvas.h

@@ -67,7 +67,7 @@ class Canvas: public node::ObjectWrap {
     inline uint8_t *data(){ return cairo_image_surface_get_data(_surface); }
     inline int stride(){ return cairo_image_surface_get_stride(_surface); }
     Canvas(int width, int height);
-    void resurface();
+    void resurface(Handle<Object> canvas);
 
   private:
     ~Canvas();

src/CanvasRenderingContext2d.h

@@ -45,6 +45,7 @@ class Context2d: public node::ObjectWrap {
     short stateno;
     canvas_state_t *states[CANVAS_MAX_STATES];
     canvas_state_t *state;
+    Context2d(Canvas *canvas);
     static Persistent<FunctionTemplate> constructor;
     static void Initialize(Handle<Object> target);
     static Handle<Value> New(const Arguments &args);
@@ -122,9 +123,6 @@ class Context2d: public node::ObjectWrap {
     void save();
     void restore();
 
-  protected:
-    Context2d(Canvas *canvas);
-
   private:
     ~Context2d();
     Canvas *_canvas;