Decouple Canvas from DisplayList and map Picture and PictureRecorder more directly to their Skia co…

sky/examples/raw/spinning_arabic.dart

Index: sky/examples/raw/spinning_arabic.dart
diff --git a/sky/examples/raw/spinning_arabic.dart b/sky/examples/raw/spinning_arabic.dart
index 846aa2a4cb62d7e7295f4498105c7dd820ebc663..3a132c5e0e1f636cb5629d7ddc7c52377b7bcb65 100644
--- a/sky/examples/raw/spinning_arabic.dart
+++ b/sky/examples/raw/spinning_arabic.dart
@@ -5,6 +5,8 @@
 import "dart:math" as math;
 import 'dart:sky';
 
+import 'package:sky/rendering/object.dart';

[abarth-chromium, 2015/06/23 02:28:45]

ditto

[iansf, 2015/06/23 22:46:09]

Done.

+
 double timeBase = null;
 LayoutRoot layoutRoot = new LayoutRoot();
 
@@ -12,7 +14,8 @@ void beginFrame(double timeStamp) {
   if (timeBase == null)
     timeBase = timeStamp;
   double delta = timeStamp - timeBase;
-  PictureRecorder canvas = new PictureRecorder(view.width, view.height);
+  PictureRecorder recorder = new PictureRecorder();
+  RenderCanvas canvas = new RenderCanvas(recorder, view.width, view.height);
   canvas.translate(view.width / 2.0, view.height / 2.0);
   canvas.rotate(math.PI * delta / 1800);
   canvas.drawRect(new Rect.fromLTRB(-100.0, -100.0, 100.0, 100.0),
@@ -25,7 +28,7 @@ void beginFrame(double timeStamp) {
   canvas.translate(layoutRoot.maxWidth / -2.0, (layoutRoot.maxWidth / 2.0) - 125);
   layoutRoot.paint(canvas);
 
-  view.picture = canvas.endRecording();
+  view.picture = recorder.endRecording();
   view.scheduleFrame();
 }