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Make it easier to debug examples/widgets/container.dart, since it is currently showing a crazy clipping/transform bug.

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TBR=abarth

Review URL: https://codereview.chromium.org/1186653003.
This commit is contained in:
Hixie 2015-06-12 15:17:33 -07:00
parent 0fc5df446a
commit d3f49f3111
1 changed files with 15 additions and 7 deletions
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22
examples/widgets/spinning_mixed.dart
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@ -13,6 +13,7 @@ import 'package:sky/framework/widgets/wrappers.dart';
import 'package:vector_math/vector_math.dart';
import '../lib/solid_color_box.dart';
import '../../tests/resources/display_list.dart';
// Solid colour, RenderObject version
void addFlexChildSolidColor(RenderFlex parent, sky.Color backgroundColor, { int flex: 0 }) {
@ -59,6 +60,8 @@ UINode builder() {
double timeBase;
RenderTransform transformBox;
final TestRenderView tester = new TestRenderView();
void rotate(double timeStamp) {
if (timeBase == null)
timeBase = timeStamp;
@ -68,9 +71,21 @@ void rotate(double timeStamp) {
transformBox.translate(transformBox.size.width / 2.0, transformBox.size.height / 2.0);
transformBox.rotateZ(delta);
transformBox.translate(-transformBox.size.width / 2.0, -transformBox.size.height / 2.0);
// tester.checkFrame();
}
final bool debugDisplayList = false; // set this to true to use the test rendering logic
void main() {
// Because we're going to use UINodes, we want to initialise its
// AppView, not use the default one. We don't really need to do
// this, because RenderObjectToUINodeAdapter does it for us, but
// it's good practice in case we happen to not have a
// RenderObjectToUINodeAdapter in our tree at startup, or in case we
// want a renderViewOverride.
UINodeAppView.initUINodeAppView(renderViewOverride: debugDisplayList ? tester : null);
RenderFlex flexRoot = new RenderFlex(direction: FlexDirection.vertical);
RenderProxyBox proxy = new RenderProxyBox();
@ -83,13 +98,6 @@ void main() {
transformBox = new RenderTransform(child: flexRoot, transform: new Matrix4.identity());
RenderPadding root = new RenderPadding(padding: new EdgeDims.all(20.0), child: transformBox);
// Because we're going to use UINodes, we want to initialise its
// AppView, not use the default one. We don't really need to do
// this, because RenderObjectToUINodeAdapter does it for us, but
// it's good practice in case we happen to not have a
// RenderObjectToUINodeAdapter in our tree at startup.
UINodeAppView.initUINodeAppView();
UINodeAppView.appView.root = root;
addPersistentFrameCallback(rotate);
}