stronger tile counting

fuzhenn · fuzhenn · commit 0884b649d200 · 2021-08-12T21:02:58.000+08:00
diff --git a/src/renderer/layer/tilelayer/TileLayerCanvasRenderer.js b/src/renderer/layer/tilelayer/TileLayerCanvasRenderer.js
@@ -62,7 +62,7 @@ class TileLayerCanvasRenderer extends CanvasRenderer {
             this.completeRender();
             return;
         }
-        const count = tileGrids.reduce((acc, curr) => acc + curr.count, 0);
+        const count = tileGrids.reduce((acc, curr) => acc + (curr && curr.tiles && curr.tiles.length || 0), 0);
         if (count >= (this.tileCache.max / 2)) {
             this.tileCache.setMaxSize(count * 2 + 1);
         }

Original file line number	Diff line number	Diff line change
`@@ -62,7 +62,7 @@ class TileLayerCanvasRenderer extends CanvasRenderer {`
`62`	`62`	`this.completeRender();`
`63`	`63`	`return;`
`64`	`64`	`}`
`65`		`- const count = tileGrids.reduce((acc, curr) => acc + curr.count, 0);`
	`65`	`+ const count = tileGrids.reduce((acc, curr) => acc + (curr && curr.tiles && curr.tiles.length \|\| 0), 0);`
`66`	`66`	`if (count >= (this.tileCache.max / 2)) {`
`67`	`67`	`this.tileCache.setMaxSize(count * 2 + 1);`
`68`	`68`	`}`