e3d9ea67da
This patch simplifies the SkPicture we generate for Skia. Instead of drawing everything into a nested SkPicture, we now draw everything into the top-level picture, which requires us to apply the device scale factor in Dart.
43 lines
1.5 KiB
Dart
43 lines
1.5 KiB
Dart
// Copyright 2015 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'dart:sky';
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void beginFrame(double timeStamp) {
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double size = 100.0;
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PictureRecorder recorder = new PictureRecorder();
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final double devicePixelRatio = view.devicePixelRatio;
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Canvas canvas = new Canvas(recorder, new Rect.fromLTWH(0.0, 0.0, view.width * devicePixelRatio, view.height * devicePixelRatio));
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canvas.scale(devicePixelRatio, devicePixelRatio);
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canvas.translate(size + 10.0, size + 10.0);
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Paint paint = new Paint();
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paint.color = const Color.fromARGB(255, 0, 255, 0);
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var builder = new LayerDrawLooperBuilder()
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// Shadow layer.
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..addLayerOnTop(
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new DrawLooperLayerInfo()
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..setPaintBits(PaintBits.all)
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..setOffset(const Offset(5.0, 5.0))
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..setColorMode(TransferMode.src),
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(Paint layerPaint) {
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layerPaint.color = const Color.fromARGB(128, 55, 55, 55);
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layerPaint.setMaskFilter(
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new MaskFilter.blur(BlurStyle.normal, 5.0, highQuality: true));
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})
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// Main layer.
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..addLayerOnTop(new DrawLooperLayerInfo(), (Paint) {});
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paint.setDrawLooper(builder.build());
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canvas.drawPaint(
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new Paint()..color = const Color.fromARGB(255, 255, 255, 255));
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canvas.drawRect(new Rect.fromLTRB(-size, -size, size, size), paint);
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view.picture = recorder.endRecording();
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}
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void main() {
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view.setFrameCallback(beginFrame);
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view.scheduleFrame();
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}
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