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doric-js/src/widget/image.ts

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+/*
+ * Copyright [2019] [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 { IView, View, Property } from "../ui/view"
+import { layoutConfig } from "../util/layoutconfig"
+
+export enum ScaleType {
+    ScaleToFill = 0,
+    ScaleAspectFit,
+    ScaleAspectFill,
+}
+
+export interface IImage extends IView {
+    imageUrl?: string
+    imageBase64?: string
+    scaleType?: ScaleType
+    loadCallback?: (image: { width: number; height: number } | undefined) => void
+}
+
+export class Image extends View implements IImage {
+    @Property
+    imageUrl?: string
+    @Property
+    imageBase64?: string
+    @Property
+    scaleType?: ScaleType
+
+    @Property
+    loadCallback?: (image: { width: number; height: number } | undefined) => void
+}
+
+export function image(config: IImage) {
+    const ret = new Image
+    ret.layoutConfig = layoutConfig().wrap()
+    for (let key in config) {
+        Reflect.set(ret, key, Reflect.get(config, key, config), ret)
+    }
+    return ret
+}