iOS: implement Image Pixel

doric-js/lib/src/ui/view.d.ts

@@ -62,7 +62,7 @@ export declare abstract class View implements Modeling {
     onClick?: Function;
     superview?: Superview;
     callbacks: Map<String, Function>;
-    private callback2Id;
+    callback2Id(f: Function): string;
     private id2Callback;
     findViewByTag(tag: string): View | undefined;
     constructor();

doric-js/lib/src/widget/image.d.ts

@@ -1,4 +1,4 @@
-import { View } from "../ui/view";
+import { View, NativeViewModel } from "../ui/view";
 import { Color } from "../util/color";
 import { BridgeContext } from "../runtime/global";
 import { Resource } from "../util/resource";
@@ -95,5 +95,11 @@ export declare class Image extends View {
         mimeType: string;
     }>;
     getImagePixels(context: BridgeContext): Promise<ArrayBuffer>;
+    setImagePixels(context: BridgeContext, imagePixels: {
+        width: number;
+        height: number;
+        pixels: ArrayBuffer;
+    }): Promise<void>;
+    toModel(): NativeViewModel;
 }
 export declare function image(config: Partial<Image>): Image;

doric-js/lib/src/widget/image.js

@@ -48,6 +48,25 @@ export class Image extends View {
     getImagePixels(context) {
         return this.nativeChannel(context, "getImagePixels")();
     }
+    setImagePixels(context, imagePixels) {
+        if (Environment.platform === 'iOS') {
+            imagePixels.pixels = context.function2Id(() => {
+                return imagePixels.pixels;
+            });
+        }
+        return this.nativeChannel(context, "setImagePixels")(imagePixels);
+    }
+    toModel() {
+        const ret = super.toModel();
+        if (Environment.platform === 'iOS') {
+            if (Reflect.has(ret.props, "imagePixels")) {
+                const imagePixels = Reflect.get(ret.props, "imagePixels");
+                const pixels = imagePixels.pixels;
+                imagePixels.pixels = this.callback2Id(() => pixels);
+            }
+        }
+        return ret;
+    }
 }
 __decorate([
     Property,