dwker/lightweight-charts-python
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implement drawing methods, fix horizontal line bug, continue refactor

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This commit is contained in:
louisnw
2024-04-14 16:29:15 +01:00
parent 3ead45f858
commit 3fdd19e3ce
33 changed files with 732 additions and 365 deletions
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2
src/horizontal-line/horizontal-line.ts
View File

@ -57,7 +57,7 @@ export class HorizontalLine extends Drawing {
}
_onDrag(diff: any) {
Drawing._addDiffToPoint(this._point, 0, 0, diff.price);
this._addDiffToPoint(this._point, 0, diff.price);
this.requestUpdate();
}

2
src/horizontal-line/pane-renderer.ts
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@ -2,6 +2,7 @@ import { CanvasRenderingTarget2D } from "fancy-canvas";
import { DrawingOptions } from "../drawing/options";
import { DrawingPaneRenderer } from "../drawing/pane-renderer";
import { ViewPoint } from "../drawing/pane-view";
import { setLineStyle } from "../helpers/canvas-rendering";
export class HorizontalLinePaneRenderer extends DrawingPaneRenderer {
_point: ViewPoint = {x: null, y: null};
@ -21,6 +22,7 @@ export class HorizontalLinePaneRenderer extends DrawingPaneRenderer {
ctx.lineWidth = this._options.width;
ctx.strokeStyle = this._options.lineColor;
setLineStyle(ctx, this._options.lineStyle);
ctx.beginPath();
ctx.moveTo(scaledX, scaledY);

4
src/horizontal-line/pane-view.ts
View File

@ -16,7 +16,9 @@ export class HorizontalLinePaneView extends DrawingPaneView {
const point = this._source._point;
const timeScale = this._source.chart.timeScale()
const series = this._source.series;
this._point.x = point.time ? timeScale.timeToCoordinate(point.time) : null;
if (this._source._type == "RayLine") {
this._point.x = timeScale.logicalToCoordinate(point.logical);
}
this._point.y = series.priceToCoordinate(point.price);
}

7
src/horizontal-line/ray-line.ts
View File

@ -2,8 +2,7 @@ import {
DeepPartial,
MouseEventParams
} from "lightweight-charts";
import { Point } from "../drawing/data-source";
import { Drawing } from "../drawing/drawing";
import { DiffPoint, Point } from "../drawing/data-source";
import { DrawingOptions } from "../drawing/options";
import { HorizontalLine } from "./horizontal-line";
@ -20,8 +19,8 @@ export class RayLine extends HorizontalLine {
this.requestUpdate();
}
_onDrag(diff: any) {
Drawing._addDiffToPoint(this._point, diff.time, diff.logical, diff.price);
_onDrag(diff: DiffPoint) {
this._addDiffToPoint(this._point, diff.logical, diff.price);
this.requestUpdate();
}