android: add BlurEffectView

doric-js/src/widget/effect.ts

@@ -0,0 +1,55 @@
+/*
+ * Copyright [2021] [Doric.Pub]
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { Stack } from "../widget/layouts"
+import { Property, View } from "../ui/view"
+import { layoutConfig } from "../util/layoutconfig"
+
+export class BlurEffect extends Stack {
+    /**
+     * Specify the effective rectangle.
+     * If not set, the default is the entire area.
+     */
+    @Property
+    effectiveRect?: {
+        x: number,
+        y: number,
+        width: number,
+        height: number,
+    }
+    /**
+     * Specify the radius of blur effect.
+     * If not set, the default value is 15.
+     * Suggested value is from 1 to 25.
+     */
+    @Property
+    radius?: number
+}
+
+export function blurEffect(views: View | View[], config?: Partial<BlurEffect>) {
+    const ret = new BlurEffect
+    ret.layoutConfig = layoutConfig().fit()
+    if (views instanceof View) {
+        ret.addChild(views)
+    } else {
+        views.forEach(e => {
+            ret.addChild(e)
+        })
+    }
+    if (config) {
+        ret.apply(config)
+    }
+    return ret
+}

doric-js/src/widget/index.widget.ts

@@ -25,4 +25,5 @@ export * from './input'
 export * from './nestedSlider'
 export * from './draggable'
 export * from './switch'
-export * from './gesture'
+export * from './gesture'
+export * from './effect'