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LeftAxisView.ts
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LeftAxisView.ts
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// Copyright 2015-2019 SWIM.AI inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import {PointR2, BoxR2} from "@swim/math";
import {ContinuousScale} from "@swim/scale";
import {RenderingContext} from "@swim/render";
import {TickView} from "../tick/TickView";
import {AxisOrientation, AxisView} from "./AxisView";
export class LeftAxisView<D> extends AxisView<D> {
constructor(scale: ContinuousScale<D, number>) {
super(scale);
}
get orientation(): AxisOrientation {
return "left";
}
protected renderDomain(context: RenderingContext, bounds: BoxR2, anchor: PointR2): void {
const ax = anchor.x;
const ay = anchor.y;
const [y0, y1] = this.scale.value!.range();
const dx = this.domainSerif.value!;
context.beginPath();
context.strokeStyle = this.domainColor.value!.toString();
context.lineWidth = this.domainWidth.value!;
if (dx) {
context.moveTo(ax - dx, ay + y0);
context.lineTo(ax, ay + y0);
context.lineTo(ax, ay + y1);
context.lineTo(ax - dx, ay + y1);
} else {
context.moveTo(ax, ay + y0);
context.lineTo(ax, ay + y1);
}
context.stroke();
}
protected layoutTick(tick: TickView<D>, bounds: BoxR2, anchor: PointR2): void {
const dy = this.scale.value!.scale(tick.value);
const ax = anchor.x;
const ay = anchor.y + dy;
const tickAnchor = new PointR2(ax, ay);
tick.setBounds(bounds);
tick.setAnchor(tickAnchor);
tick.setCoord(dy);
}
}
AxisView.Left = LeftAxisView;