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1799eacef5
Also changes the framework dart code to use the refactored APIs and fixes the various examples and tests. R=abarth@chromium.org, ianh@chromium.org Review URL: https://codereview.chromium.org/1190123003.
93 lines
3.4 KiB
Dart
93 lines
3.4 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' as sky;
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import 'dart:math' as math;
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import 'dart:typed_data';
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void beginFrame(double timeStamp) {
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sky.PictureRecorder recorder = new sky.PictureRecorder();
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Canvas canvas = new Canvas(recorder, sky.view.width, 200.0);
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sky.Paint paint = new sky.Paint();
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sky.Point mid = new sky.Point(sky.view.width / 2.0, sky.view.height / 2.0);
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double radius = math.min(mid.x, mid.y);
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canvas.drawPaint(new sky.Paint()..color = const sky.Color(0xFFFFFFFF));
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canvas.save();
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canvas.translate(-mid.x/2.0, sky.view.height*2.0);
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canvas.clipRect(
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new sky.Rect.fromLTRB(0.0, -sky.view.height, sky.view.width, radius));
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canvas.translate(mid.x, mid.y);
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paint.color = const sky.Color.fromARGB(128, 255, 0, 255);
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canvas.rotate(math.PI/4.0);
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sky.Gradient yellowBlue = new sky.Gradient.linear(
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[new sky.Point(-radius, -radius), new sky.Point(0.0, 0.0)],
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[const sky.Color(0xFFFFFF00), const sky.Color(0xFF0000FF)]);
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canvas.drawRect(new sky.Rect.fromLTRB(-radius, -radius, radius, radius),
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new sky.Paint()..setShader(yellowBlue));
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// Scale x and y by 0.5.
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var scaleMatrix = new Float32List.fromList([
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0.5, 0.0, 0.0, 0.0,
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0.0, 0.5, 0.0, 0.0,
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0.0, 0.0, 0.0, 0.0,
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0.0, 0.0, 0.0, 1.0,
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]);
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canvas.concat(scaleMatrix);
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paint.color = const sky.Color.fromARGB(128, 0, 255, 0);
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canvas.drawCircle(0.0, 0.0, radius, paint);
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canvas.restore();
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canvas.translate(0.0, 50.0);
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var builder = new sky.LayerDrawLooperBuilder()
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..addLayerOnTop(
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new sky.DrawLooperLayerInfo()
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..setOffset(const sky.Point(150.0, 0.0))
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..setColorMode(sky.TransferMode.src)
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..setPaintBits(sky.PaintBits.all),
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(sky.Paint layerPaint) {
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layerPaint.color = const sky.Color.fromARGB(128, 255, 255, 0);
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layerPaint.setColorFilter(new sky.ColorFilter.mode(
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const sky.Color.fromARGB(128, 0, 0, 255), sky.TransferMode.srcIn));
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layerPaint.setMaskFilter(new sky.MaskFilter.blur(
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sky.BlurStyle.normal, 3.0, highQuality: true));
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})
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..addLayerOnTop(
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new sky.DrawLooperLayerInfo()
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..setOffset(const sky.Point(75.0, 75.0))
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..setColorMode(sky.TransferMode.src)
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..setPaintBits(sky.PaintBits.shader),
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(sky.Paint layerPaint) {
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sky.Gradient redYellow = new sky.Gradient.radial(
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new sky.Point(0.0, 0.0), radius/3.0,
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[const sky.Color(0xFFFFFF00), const sky.Color(0xFFFF0000)],
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null, sky.TileMode.mirror);
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layerPaint.setShader(redYellow);
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// Since we're don't set sky.PaintBits.maskFilter, this has no effect.
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layerPaint.setMaskFilter(new sky.MaskFilter.blur(
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sky.BlurStyle.normal, 50.0, highQuality: true));
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})
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..addLayerOnTop(
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new sky.DrawLooperLayerInfo()..setOffset(const sky.Point(225.0, 75.0)),
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(sky.Paint layerPaint) {
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// Since this layer uses a DST color mode, this has no effect.
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layerPaint.color = const sky.Color.fromARGB(128, 255, 0, 0);
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});
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paint.setDrawLooper(builder.build());
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canvas.drawCircle(0.0, 0.0, radius, paint);
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sky.view.picture = recorder.endRecording();
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}
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void main() {
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sky.view.setBeginFrameCallback(beginFrame);
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sky.view.scheduleFrame();
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}
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