Introduce painting.dart and move painting code to src/painting

examples/demo_launcher/lib/main.dart

@@ -4,7 +4,7 @@
 
 import 'package:sky/mojo/activity.dart';
 import 'package:sky/mojo/asset_bundle.dart';
-import 'package:sky/painting/box_painter.dart';
+import 'package:sky/painting.dart';
 import 'package:sky/theme/colors.dart' as colors;
 import 'package:sky/theme/typography.dart' as typography;
 import 'package:sky/widgets.dart';

examples/fitness/lib/main.dart

@@ -6,7 +6,7 @@ library fitness;
 
 import 'package:playfair/playfair.dart' as playfair;
 import 'package:sky/animation.dart';
-import 'package:sky/painting/text_style.dart';
+import 'package:sky/painting.dart';
 import 'package:sky/theme/colors.dart' as colors;
 import 'package:sky/widgets.dart';
 import 'user_data.dart';

examples/game/lib/game_demo.dart

@@ -4,7 +4,7 @@ import 'dart:async';
 import 'dart:math' as math;
 import 'dart:sky' as sky;
 
-import 'package:sky/painting/text_style.dart';
+import 'package:sky/painting.dart';
 import 'package:sky/src/rendering/object.dart';
 import 'package:sky/src/widgets/framework.dart';
 import 'package:skysprites/skysprites.dart';

examples/game/lib/main.dart

@@ -5,7 +5,7 @@
 import 'dart:async';
 
 import 'package:sky/mojo/asset_bundle.dart';
-import 'package:sky/painting/text_style.dart';
+import 'package:sky/painting.dart';
 import 'package:sky/src/rendering/object.dart';
 import 'package:sky/src/widgets/basic.dart';
 import 'package:sky/src/widgets/button_base.dart';

examples/mine_digger/lib/main.dart

@@ -5,7 +5,7 @@ import 'dart:sky' as sky;
 import 'dart:math';
 
 import 'package:sky/mojo/activity.dart' as activity;
-import 'package:sky/painting/text_style.dart';
+import 'package:sky/painting.dart';
 import 'package:sky/rendering.dart';
 import 'package:sky/theme/colors.dart' as colors;
 import 'package:sky/widgets.dart';

sky/packages/sky/lib/README.md

@@ -18,14 +18,14 @@ Above this layer is the [animation](animation.dart) library,
 which provides core animation primitives, and the [gestures/](gestures/)
 directory, which define a gesture recognition and disambiguation system.
 
-The next layer consists of the files in the [painting/](painting/) directory,
-which provide APIs related to drawing graphics. Some of the code here
-uses the [animation](animation.dart) utilities mentioned above.
+The next layer consists of the [painting](painting.dart) library,
+which provides APIs related to drawing graphics. Some of the code here
+uses the [animation](animation.dart) library mentioned above.
 
 Layout primitives are provided in the next layer, found in the
 [rendering](rendering.dart) library. They use `dart:sky` and the
-APIs exposed in [painting/](painting/) to provide a retained-mode layout and
-rendering model for applications or documents.
+APIs exposed in the [painting](painting.dart) library to provide a retained-mode
+layout and rendering model for applications or documents.
 
 Widgets are provided by the files in the [widgets](widgets.dart)
 library, using a reactive framework. They use data given in the
@@ -46,7 +46,7 @@ Here is a diagram summarizing all this:
     | ++---------------------++   |
     | |      rendering       |    |  Dart
     | |---------+------------+    |
-    | |         | painting/  |    |
+    | |         | painting   |    |
     +-+         +------------+    |
     | gestures/ | animation  |    |
     +-----------+---+--------+    |

sky/packages/sky/lib/painting.dart

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+/// The Sky render tree.
+///
+/// This library includes and re-exports all Sky rendering classes.
+library painting;
+
+export 'src/painting/box_painter.dart';
+export 'src/painting/radial_reaction.dart';
+export 'src/painting/shadows.dart';
+export 'src/painting/text_painter.dart';
+export 'src/painting/text_style.dart';

sky/packages/sky/lib/painting/box_painter.dart → sky/packages/sky/lib/src/painting/box_painter.dart

@@ -7,7 +7,7 @@ import 'dart:sky' as sky;
 import 'dart:sky' show Point, Offset, Size, Rect, Color, Paint, Path;
 
 import 'package:sky/base/image_resource.dart';
-import 'package:sky/painting/shadows.dart';
+import 'package:sky/src/painting/shadows.dart';
 
 /// An immutable set of offsets in each of the four cardinal directions
 ///

sky/packages/sky/lib/painting/text_painter.dart → sky/packages/sky/lib/src/painting/text_painter.dart

@@ -4,9 +4,9 @@
 
 import 'dart:sky' as sky;
 
-import 'package:sky/painting/text_style.dart';
+import 'package:sky/src/painting/text_style.dart';
 
-export 'package:sky/painting/text_style.dart';
+export 'package:sky/src/painting/text_style.dart';
 
 /// An immutable span of text
 abstract class TextSpan {

sky/packages/sky/lib/src/rendering/README.md

@@ -384,6 +384,7 @@ scheduler.addPersistentFrameCallback((_) {
 Dependencies
 ------------
 
+ * [`package:sky/animation.dart`](../../animation.dart)
  * [`package:sky/base`](../../base)
  * [`package:sky/mojo`](../../mojo)
- * [`package:sky/animation.dart`](../../animation.dart)
+ * [`package:sky/painting.dart`](../../painting.dart)

sky/packages/sky/lib/src/rendering/box.dart

@@ -6,12 +6,11 @@ import 'dart:math' as math;
 import 'dart:sky' as sky;
 
 import 'package:sky/base/debug.dart';
-import 'package:sky/painting/box_painter.dart';
-import 'package:sky/painting/text_style.dart';
+import 'package:sky/painting.dart';
 import 'package:sky/src/rendering/object.dart';
 import 'package:vector_math/vector_math.dart';
 
-export 'package:sky/painting/text_style.dart' show TextBaseline;
+export 'package:sky/painting.dart' show TextBaseline;
 
 // GENERIC BOX RENDERING
 // Anything that has a concept of x, y, width, height is going to derive from this

sky/packages/sky/lib/src/rendering/image.dart

@@ -4,7 +4,7 @@
 
 import 'dart:sky' as sky;
 
-import 'package:sky/painting/box_painter.dart';
+import 'package:sky/painting.dart';
 import 'package:sky/src/rendering/object.dart';
 import 'package:sky/src/rendering/box.dart';
 

sky/packages/sky/lib/src/rendering/paragraph.dart

@@ -2,11 +2,11 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'package:sky/painting/text_painter.dart';
+import 'package:sky/src/painting/text_painter.dart';
 import 'package:sky/src/rendering/box.dart';
 import 'package:sky/src/rendering/object.dart';
 
-export 'package:sky/painting/text_painter.dart';
+export 'package:sky/src/painting/text_painter.dart';
 
 // Unfortunately, using full precision floating point here causes bad layouts
 // because floating point math isn't associative. If we add and subtract

sky/packages/sky/lib/src/rendering/proxy_box.dart

@@ -4,13 +4,13 @@
 
 import 'dart:sky' as sky;
 
-import 'package:sky/painting/box_painter.dart';
-import 'package:sky/painting/text_style.dart';
+import 'package:sky/src/painting/box_painter.dart';
+import 'package:sky/src/painting/text_style.dart';
 import 'package:sky/src/rendering/object.dart';
 import 'package:sky/src/rendering/box.dart';
 import 'package:vector_math/vector_math.dart';
 
-export 'package:sky/painting/box_painter.dart';
+export 'package:sky/src/painting/box_painter.dart';
 
 class RenderProxyBox extends RenderBox with RenderObjectWithChildMixin<RenderBox> {
 

sky/packages/sky/lib/src/rendering/shifted_box.dart

@@ -2,8 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'package:sky/painting/box_painter.dart';
-import 'package:sky/painting/text_style.dart';
+import 'package:sky/painting.dart';
 import 'package:sky/src/rendering/object.dart';
 import 'package:sky/src/rendering/box.dart';
 

sky/packages/sky/lib/src/widgets/README.md

@@ -502,6 +502,6 @@ Dependencies
  * `package:vector_math`
  * [`package:sky/animation.dart`](../../animation.dart)
  * [`package:sky/base`](../../base)
- * [`package:sky/painting`](../../painting)
+ * [`package:sky/painting.dart`](../../painting.dart)
  * [`package:sky/rendering.dart`](../../rendering.dart)
  * [`package:sky/theme`](../../theme)

sky/packages/sky/lib/src/widgets/animated_container.dart

@@ -6,7 +6,7 @@ import 'dart:sky' as sky;
 
 import 'package:vector_math/vector_math.dart';
 import 'package:sky/animation.dart';
-import 'package:sky/painting/box_painter.dart';
+import 'package:sky/painting.dart';
 import 'package:sky/src/widgets/animated_component.dart';
 import 'package:sky/src/widgets/basic.dart';
 import 'package:sky/src/widgets/framework.dart';

sky/packages/sky/lib/src/widgets/basic.dart

@@ -9,8 +9,8 @@ import 'package:vector_math/vector_math.dart';
 import 'package:sky/base/image_resource.dart';
 import 'package:sky/mojo/asset_bundle.dart';
 import 'package:sky/mojo/net/image_cache.dart' as image_cache;
-import 'package:sky/painting/text_painter.dart';
-import 'package:sky/painting/text_style.dart';
+import 'package:sky/src/painting/text_painter.dart';
+import 'package:sky/src/painting/text_style.dart';
 import 'package:sky/src/rendering/block.dart';
 import 'package:sky/src/rendering/box.dart';
 import 'package:sky/src/rendering/flex.dart';
@@ -26,7 +26,7 @@ import 'package:sky/src/widgets/default_text_style.dart';
 import 'package:sky/src/widgets/framework.dart';
 
 export 'package:sky/base/hit_test.dart' show EventDisposition, combineEventDispositions;
-export 'package:sky/painting/text_style.dart';
+export 'package:sky/src/painting/text_style.dart';
 export 'package:sky/src/rendering/block.dart' show BlockDirection;
 export 'package:sky/src/rendering/box.dart' show BoxConstraints;
 export 'package:sky/src/rendering/flex.dart' show FlexJustifyContent, FlexAlignItems, FlexDirection;

sky/packages/sky/lib/src/widgets/default_text_style.dart

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'package:sky/painting/text_style.dart';
+import 'package:sky/painting.dart';
 import 'package:sky/src/widgets/basic.dart';
 import 'package:sky/src/widgets/framework.dart';
 

sky/packages/sky/lib/src/widgets/drawer_item.dart

@@ -4,7 +4,7 @@
 
 import 'dart:sky' as sky;
 
-import 'package:sky/painting/text_style.dart';
+import 'package:sky/painting.dart';
 import 'package:sky/theme/colors.dart' as colors;
 import 'package:sky/src/widgets/basic.dart';
 import 'package:sky/src/widgets/button_base.dart';

sky/packages/sky/lib/src/widgets/editable_text.dart

@@ -6,7 +6,7 @@ import 'dart:async';
 import 'dart:sky' as sky;
 
 import 'package:mojo_services/keyboard/keyboard.mojom.dart';
-import 'package:sky/painting/text_style.dart';
+import 'package:sky/painting.dart';
 import 'package:sky/src/widgets/basic.dart';
 import 'package:sky/src/widgets/framework.dart';
 

sky/packages/sky/lib/src/widgets/input.dart

@@ -3,7 +3,7 @@
 // found in the LICENSE file.
 
 import 'package:sky/mojo/keyboard.dart';
-import 'package:sky/painting/text_style.dart';
+import 'package:sky/painting.dart';
 import 'package:sky/src/widgets/basic.dart';
 import 'package:sky/src/widgets/editable_text.dart';
 import 'package:sky/src/widgets/focus.dart';

sky/packages/sky/lib/src/widgets/material.dart

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'package:sky/painting/box_painter.dart';
+import 'package:sky/painting.dart';
 import 'package:sky/theme/shadows.dart';
 import 'package:sky/src/widgets/animated_container.dart';
 import 'package:sky/src/widgets/basic.dart';

sky/packages/sky/lib/src/widgets/popup_menu.dart

@@ -5,7 +5,7 @@
 import 'dart:sky' as sky;
 
 import 'package:sky/animation.dart';
-import 'package:sky/painting/box_painter.dart';
+import 'package:sky/painting.dart';
 import 'package:sky/theme/colors.dart';
 import 'package:sky/theme/shadows.dart';
 import 'package:sky/src/widgets/basic.dart';

sky/packages/sky/lib/src/widgets/popup_menu_item.dart

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'package:sky/painting/text_style.dart';
+import 'package:sky/painting.dart';
 import 'package:sky/src/widgets/basic.dart';
 import 'package:sky/src/widgets/default_text_style.dart';
 import 'package:sky/src/widgets/framework.dart';

sky/packages/sky/lib/src/widgets/snack_bar.dart

@@ -4,7 +4,7 @@
 
 
 import 'package:sky/animation.dart';
-import 'package:sky/painting/text_style.dart';
+import 'package:sky/painting.dart';
 import 'package:sky/theme/typography.dart' as typography;
 import 'package:sky/src/widgets/basic.dart';
 import 'package:sky/src/widgets/default_text_style.dart';

sky/packages/sky/lib/src/widgets/switch.dart

@@ -5,8 +5,7 @@
 import 'dart:async';
 import 'dart:sky' as sky;
 
-import 'package:sky/painting/radial_reaction.dart';
-import 'package:sky/painting/shadows.dart';
+import 'package:sky/painting.dart';
 import 'package:sky/src/rendering/box.dart';
 import 'package:sky/src/rendering/object.dart';
 import 'package:sky/theme/shadows.dart';

sky/packages/sky/lib/src/widgets/tabs.dart

@@ -7,7 +7,7 @@ import 'dart:sky' as sky;
 
 import 'package:newton/newton.dart';
 import 'package:sky/animation.dart';
-import 'package:sky/painting/text_style.dart';
+import 'package:sky/painting.dart';
 import 'package:sky/rendering.dart';
 import 'package:sky/theme/colors.dart' as colors;
 import 'package:sky/theme/typography.dart' as typography;

sky/packages/sky/lib/src/widgets/tool_bar.dart

@@ -4,15 +4,15 @@
 
 import 'package:sky/src/widgets/theme.dart';
 
-import 'package:sky/painting/text_style.dart';
+import 'package:sky/painting.dart';
 import 'package:sky/src/rendering/flex.dart';
-import 'package:sky/theme/shadows.dart';
-import 'package:sky/theme/typography.dart' as typography;
-import 'package:sky/theme/view_configuration.dart';
 import 'package:sky/src/widgets/basic.dart';
 import 'package:sky/src/widgets/default_text_style.dart';
 import 'package:sky/src/widgets/framework.dart';
 import 'package:sky/src/widgets/icon.dart';
+import 'package:sky/theme/shadows.dart';
+import 'package:sky/theme/typography.dart' as typography;
+import 'package:sky/theme/view_configuration.dart';
 
 class ToolBar extends Component {
 

sky/packages/sky/lib/theme/README.md

@@ -2,4 +2,5 @@ This directory provides constants for Material Design.
 
    http://www.google.com/design/spec/material-design/
 
-Files in this directory only depend on ../painting/* and sky:dart.
+Files in this directory only depend on [painting.dart](../painting.dart) and
+`sky:dart`.

sky/packages/sky/lib/theme/shadows.dart

@@ -4,7 +4,7 @@
 
 import 'dart:sky' show Color, Offset;
 
-import 'package:sky/painting/box_painter.dart';
+import 'package:sky/painting.dart';
 
 const Map<int, List<BoxShadow>> shadows = const {
   1: const [

sky/packages/sky/lib/theme/typography.dart

@@ -6,7 +6,7 @@
 
 import 'dart:sky';
 
-import 'package:sky/painting/text_style.dart';
+import 'package:sky/painting.dart';
 import 'package:sky/theme/colors.dart' as colors;
 
 // TODO(eseidel): Font weights are supposed to be language relative!

skysprites/lib/skysprites.dart

@@ -14,7 +14,7 @@ import 'package:mojo/core.dart';
 import 'package:sky/animation.dart';
 import 'package:sky/mojo/asset_bundle.dart';
 import 'package:sky/mojo/shell.dart' as shell;
-import 'package:sky/painting/text_painter.dart';
+import 'package:sky/painting.dart';
 import 'package:sky/src/rendering/box.dart';
 import 'package:sky/src/rendering/object.dart';
 import 'package:sky/src/widgets/framework.dart';