From 117da08bb777ae662e73fc117a98554c667ad61c Mon Sep 17 00:00:00 2001
From: xiaoluoHe <sevnape@outlook.com>
Date: Tue, 27 Aug 2024 14:03:00 +0800
Subject: [PATCH 1/3] feat: support `inside-center` arc label

---
 packages/vrender-components/src/label/arc.ts  | 17 ++++++-----------
 packages/vrender-components/src/label/type.ts |  2 +-
 2 files changed, 7 insertions(+), 12 deletions(-)

diff --git a/packages/vrender-components/src/label/arc.ts b/packages/vrender-components/src/label/arc.ts
index b1e747eed..3fdbabd57 100644
--- a/packages/vrender-components/src/label/arc.ts
+++ b/packages/vrender-components/src/label/arc.ts
@@ -11,17 +11,9 @@ import {
 } from '@visactor/vutils';
 import { LabelBase } from './base';
 import type { ArcLabelAttrs, IPoint, Quadrant, BaseLabelAttrs, LabelItem, IArcLabelLineSpec } from './type';
-import type { ILineGraphicAttribute, IRichTextAttribute } from '@visactor/vrender-core';
+import type { IRichTextAttribute } from '@visactor/vrender-core';
 // eslint-disable-next-line no-duplicate-imports
-import {
-  type IRichText,
-  type IText,
-  type IArcGraphicAttribute,
-  type IGraphic,
-  type ILine,
-  graphicCreator,
-  CustomPath2D
-} from '@visactor/vrender-core';
+import { type IRichText, type IText, type IArcGraphicAttribute, type IGraphic } from '@visactor/vrender-core';
 import { isQuadrantRight, isQuadrantLeft, lineCirclePoints, connectLineRadian, checkBoundsOverlap } from './util';
 import type { ComponentOptions } from '../interface';
 import { registerLabelComponent } from './data-label-register';
@@ -286,6 +278,7 @@ export class ArcLabel extends LabelBase<ArcLabelAttrs> {
       case 'inside':
       case 'inside-inner':
       case 'inside-outer':
+      case 'inside-center':
         arcs.push(...this._layoutInsideLabels(rightArcs, attribute, currentMarks));
         arcs.push(...this._layoutInsideLabels(leftArcs, attribute, currentMarks));
         break;
@@ -339,6 +332,8 @@ export class ArcLabel extends LabelBase<ArcLabelAttrs> {
       let labelRadius;
       if (position === 'inside-inner') {
         labelRadius = innerRadius - offsetRadius + alignOffset;
+      } else if (position === 'inside-center') {
+        labelRadius = innerRadius + (outerRadius - innerRadius) / 2;
       } else {
         labelRadius = outerRadius + offsetRadius - alignOffset;
       }
@@ -966,7 +961,7 @@ export class ArcLabel extends LabelBase<ArcLabelAttrs> {
   }
 
   protected _canPlaceInside(textBound: IBoundsLike, shapeBound: IAABBBounds) {
-    return this.attribute.position === 'inside';
+    return this.attribute.position === 'inside' || this.attribute.position === 'inside-center';
   }
 
   private computeLayoutOuterRadius(r: number, width: number, height: number) {
diff --git a/packages/vrender-components/src/label/type.ts b/packages/vrender-components/src/label/type.ts
index 0e176d9c0..40797fa98 100644
--- a/packages/vrender-components/src/label/type.ts
+++ b/packages/vrender-components/src/label/type.ts
@@ -357,7 +357,7 @@ export interface ArcLabelAttrs extends BaseLabelAttrs {
    * 标签位置
    * @default 'outside'
    */
-  position?: Functional<'inside' | 'outside' | 'inside-inner' | 'inside-outer'>;
+  position?: 'inside' | 'outside' | 'inside-inner' | 'inside-outer' | 'inside-center';
 
   // 画布宽度
   width?: number;

From 907dbf9c24a5edda01baeae1a6b9f9b76b4d7ae5 Mon Sep 17 00:00:00 2001
From: xiaoluoHe <sevnape@outlook.com>
Date: Tue, 27 Aug 2024 14:04:29 +0800
Subject: [PATCH 2/3] docs: update change log

---
 .../feat-arc-inside-center-label_2024-08-27-06-03.json | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 common/changes/@visactor/vrender-components/feat-arc-inside-center-label_2024-08-27-06-03.json

diff --git a/common/changes/@visactor/vrender-components/feat-arc-inside-center-label_2024-08-27-06-03.json b/common/changes/@visactor/vrender-components/feat-arc-inside-center-label_2024-08-27-06-03.json
new file mode 100644
index 000000000..c1a32c418
--- /dev/null
+++ b/common/changes/@visactor/vrender-components/feat-arc-inside-center-label_2024-08-27-06-03.json
@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@visactor/vrender-components",
+      "comment": "feat: support position `inside-center` of arc label",
+      "type": "none"
+    }
+  ],
+  "packageName": "@visactor/vrender-components"
+}
\ No newline at end of file

From 8763f8f45ab7bdd27182083a8f8fc17fb5060997 Mon Sep 17 00:00:00 2001
From: xiaoluoHe <sevnape@outlook.com>
Date: Tue, 27 Aug 2024 14:33:32 +0800
Subject: [PATCH 3/3] docs: add version comment

---
 packages/vrender-components/src/label/type.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/packages/vrender-components/src/label/type.ts b/packages/vrender-components/src/label/type.ts
index 40797fa98..0c06d0546 100644
--- a/packages/vrender-components/src/label/type.ts
+++ b/packages/vrender-components/src/label/type.ts
@@ -356,6 +356,7 @@ export interface ArcLabelAttrs extends BaseLabelAttrs {
   /**
    * 标签位置
    * @default 'outside'
+   * @since 0.20.1 support 'inside-center'
    */
   position?: 'inside' | 'outside' | 'inside-inner' | 'inside-outer' | 'inside-center';