feat(pie): support overflow wrap

src/chart/pie/PieSeries.ts

@@ -247,6 +247,7 @@ class PieSeriesModel extends SeriesModel<PieSeriesOption> {
             // If rotate around circle
             rotate: 0,
             show: true,
+            overflow: 'truncate',
             // 'outer', 'inside', 'center'
             position: 'outer',
             // 'none', 'labelLine', 'edge'. Works only when position is 'outer'

src/chart/pie/labelLayout.ts

@@ -197,7 +197,6 @@ function avoidOverlap(
                 // TODOTODO
                 // layout.text = textContain.truncateText(layout.text, targetTextWidth, layout.font);
                 layout.label.style.width = targetTextWidth;
-                layout.label.style.overflow = 'truncate';
                 if (layout.labelAlignTo === 'edge') {
                     realTextWidth = targetTextWidth;
                     // realTextWidth = textContain.getWidth(layout.text, layout.font);

src/label/labelGuideHelper.ts

@@ -408,7 +408,7 @@ const tmpProjPoint = new Point();
  * @param minTurnAngle Radian of minimum turn angle. 0 - 180
  */
 export function limitTurnAngle(linePoints: number[][], minTurnAngle: number) {
-    if (!(minTurnAngle < 180 && minTurnAngle > 0)) {
+    if (!(minTurnAngle <= 180 && minTurnAngle > 0)) {
         return;
     }
     minTurnAngle = minTurnAngle / 180 * Math.PI;

test/pie-label-extreme.html

@@ -681,12 +681,14 @@ under the License.
                 labelLine: {
                     length: 15,
                     length2: 15,
-                    smooth: 0.3
+                    smooth: 0.3,
+                    minTurnAngle: 110
                 },
                 label: {
                     margin: 25,
                     bleedMargin: 10,
-                    alignTo: 'none'
+                    alignTo: 'none',
+                    overflow: 'truncate'
                 }
             };
 
@@ -706,10 +708,12 @@ under the License.
             labelFolder.open();
             labelLineFolder.open();
             labelFolder.add(config.label, 'alignTo', ['none', 'edge', 'labelLine']).onChange(update);
+            labelFolder.add(config.label, 'overflow', ['truncate', 'wrap']).onChange(update);
             labelFolder.add(config.label, 'margin', 0, 50).onChange(update);
             labelFolder.add(config.label, 'bleedMargin', 0, 500).onChange(update);
             labelLineFolder.add(config.labelLine, 'length', 0, 500).onChange(update);
             labelLineFolder.add(config.labelLine, 'length2', 0, 500).onChange(update);
+            labelLineFolder.add(config.labelLine, 'minTurnAngle', 0, 180).onChange(update);
             labelLineFolder.add(config.labelLine, 'smooth', 0, 1).onChange(update);
         });