init checkin, work remains on radialLinear

chartjs · Oct 27, 2022 · 9b618fb · 9b618fb
1 parent 0b54338
commit 9b618fb
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Showing 4 changed files with 39 additions and 2 deletions.
diff --git a/src/core/core.scale.js b/src/core/core.scale.js
@@ -1561,6 +1561,9 @@ export default class Scale extends Element {
     if (area) {
       unclipArea(ctx);
     }
+
+    return items;
+
   }
 
   /**

diff --git a/src/scales/scale.radialLinear.js b/src/scales/scale.radialLinear.js
@@ -633,6 +633,7 @@ export default class RadialLinearScale extends LinearScaleBase {
     });
 
     ctx.restore();
+    return [];
   }
 
   /**

diff --git a/types/helpers/helpers.canvas.d.ts b/types/helpers/helpers.canvas.d.ts
@@ -1,4 +1,4 @@
-import { PointStyle } from '..';
+import { PointStyle, Scriptable, ScriptableScaleContext } from '..';
 import { Color } from '../color';
 import { ChartArea, RoundedRect } from '../geometric';
 import { CanvasFontSpec } from './helpers.options';
@@ -89,6 +89,38 @@ export interface RenderTextOpts {
    * Underline the text
    */
   underline?: boolean;
+
+  /**
+   * Dimensions for drawing the label backdrop
+   */
+  backdrop?: BackdropDimensions;
+}
+
+export interface BackdropDimensions {
+  /**
+   * Left position of backdrop as pixel
+   */
+  left: number;
+
+  /**
+   * Top position of backdrop as pixel
+   */
+  top: number;
+
+  /**
+   * Width of backdrop in pixels
+   */
+  width: number;
+
+  /**
+   * Height of backdrop in pixels
+   */
+  height: number;
+
+  /**
+   * Color of label backdrops.
+   */
+  color: Scriptable<Color, ScriptableScaleContext>;
 }
 
 export function renderText(

diff --git a/types/index.d.ts b/types/index.d.ts
@@ -10,6 +10,7 @@ import { Color } from './color';
 import Element from '../src/core/core.element';
 import { ChartArea, Padding, Point } from './geometric';
 import { LayoutItem, LayoutPosition } from './layout';
+import { RenderTextOpts } from './helpers';
 
 export { EasingFunction } from '../src/helpers/helpers.easing';
 export { default as ArcElement, ArcProps } from '../src/elements/element.arc';
@@ -1247,7 +1248,7 @@ export interface Scale<O extends CoreScaleOptions = CoreScaleOptions> extends El
   getMatchingVisibleMetas(type?: string): ChartMeta[];
 
   drawTitle(chartArea: ChartArea): void;
-  drawLabels(chartArea: ChartArea): void;
+  drawLabels(chartArea: ChartArea): RenderTextOpts;
   drawGrid(chartArea: ChartArea): void;
 
   /**