fix: render maxLines text correctly after render twice

packages/s2-core/__tests__/bugs/issue-3087-spec.ts

@@ -0,0 +1,59 @@
+/**
+ * @description spec for issue #3087
+ * https://github.com/antvis/S2/issues/3087
+ */
+import { TableSheet } from '../../src';
+import { getContainer } from '../util/helpers';
+
+const data = Array(100).fill({
+  province: 'aaaa'.repeat(100),
+  city: 'aa',
+});
+
+describe('Table MaxLines Tests', () => {
+  test('should render maxLines text correctly after render twice', async () => {
+    const tableSheet = new TableSheet(
+      getContainer(),
+      {
+        fields: {
+          columns: ['province', 'city'],
+        },
+        meta: [
+          {
+            field: 'province',
+            name: '省份',
+          },
+          {
+            field: 'city',
+            name: '城市',
+          },
+        ],
+        data,
+      },
+      {
+        width: 600,
+        height: 480,
+        style: {
+          colCell: {
+            maxLines: 3,
+            wordWrap: true,
+            textOverflow: 'ellipsis',
+          },
+          dataCell: {
+            maxLines: 3,
+            wordWrap: true,
+            textOverflow: 'ellipsis',
+          },
+        },
+      },
+    );
+
+    await tableSheet.render();
+    const actualText1 = tableSheet.facet.getDataCells()[0].getActualText();
+
+    await tableSheet.render();
+    const actualText2 = tableSheet.facet.getDataCells()[0].getActualText();
+
+    expect(actualText1).toEqual(actualText2);
+  });
+});

packages/s2-core/src/cell/base-cell.ts

@@ -856,7 +856,7 @@ export abstract class BaseCell<T extends SimpleBBox> extends Group {
 
     const maxLines = Math.max(
       1,
-      Math.floor((displayHeight - padding) / lineHeight),
+      Math.round((displayHeight - padding) / lineHeight),
     );
 
     return maxLines;