Doric/doric-demo/src/ImageDemo.ts

import { AssetsResource, AndroidAssetsResource, Base64Resource, DrawableResource, Group, Panel, coordinator, text, gravity, Color, LayoutSpec, log, vlayout, scroller, layoutConfig, image, ScaleType, Image, modal, RemoteResource, MainBundleResource } from "doric";
import { colors, label } from "./utils";
import { img_base64 } from "./image_base64";

const imageUrl = 'https://img.zcool.cn/community/01e75b5da933daa801209e1ffa4649.jpg@1280w_1l_2o_100sh.jpg'

import logo from "./images/logo_w.png"
import button from "./images/button.png"

@Entry
class ImageDemo extends Panel {
    build(rootView: Group): void {
        let imageView: Image
        scroller(
          vlayout(
            [
              text({
                text: "Image Demo",
                layoutConfig: layoutConfig().configWidth(LayoutSpec.MOST),
                textSize: 30,
                textColor: Color.WHITE,
                backgroundColor: colors[5],
                textAlignment: gravity().center(),
                height: 50,
              }),

              label("Button"),
              image({
                image:
                  Environment.platform === "Android"
                    ? new AndroidAssetsResource(
                        "assets/The_Parthenon_in_Athens.jpeg"
                      )
                    : new MainBundleResource(
                        "assets/The_Parthenon_in_Athens.jpeg"
                      ),
              }),
              image({
                image: new AssetsResource("The_Parthenon_in_Athens.jpeg"),
              }),
              image({
                image: new RemoteResource(
                  "https://p.upyun.com/demo/webp/webp/jpg-0.webp"
                ),
              }),
              image({
                image: new Base64Resource(img_base64[0]),
                scaleType: ScaleType.ScaleToFill,
                layoutConfig: {
                  widthSpec: LayoutSpec.FIT,
                  heightSpec: LayoutSpec.FIT,
                },
              }),
              image({
                imageBase64: button,
                scaleType: ScaleType.ScaleToFill,
                layoutConfig: {
                  widthSpec: LayoutSpec.JUST,
                  heightSpec: LayoutSpec.JUST,
                },
                width: 200,
                height: 150 / 2.75,
                stretchInset: {
                  left: 100,
                  top: 0,
                  right: 100,
                  bottom: 0,
                },
                imageScale: 2.75,
              }),
              image({
                imageBase64: button,
                scaleType: ScaleType.ScaleToFill,
                layoutConfig: {
                  widthSpec: LayoutSpec.JUST,
                  heightSpec: LayoutSpec.JUST,
                },
                width: 200,
                height: 75,
                stretchInset: {
                  left: 100,
                  top: 0,
                  right: 100,
                  bottom: 0,
                },
                imageScale: 2,
              }),
              label("Gif "),
              image({
                imageUrl:
                  "https://www.w3.org/People/mimasa/test/imgformat/img/w3c_home_animation.gif",
                scaleType: ScaleType.ScaleToFill,
                imageScale: 3,
              }),
              label("APNG"),
              image({
                imageUrl:
                  "https://upload.wikimedia.org/wikipedia/commons/1/14/Animated_PNG_example_bouncing_beach_ball.png",
              }),
              label("Animated WebP"),
              image({
                imageUrl:
                  "https://p.upyun.com/demo/webp/webp/animated-gif-0.webp",
              }),
              label("WebP"),
              (imageView = image({
                imageUrl: "https://p.upyun.com/demo/webp/webp/jpg-0.webp",
                layoutConfig: layoutConfig().just(),
                width: 200,
                height: 200,
                loadCallback: (ret) => {
                  if (ret) {
                    imageView.width = ret.width;
                    imageView.height = ret.height;
                  }
                },
              })),
              label("ScaleToFill"),
              image({
                imageUrl,
                width: 300,
                height: 300,
                isBlur: true,
                border: {
                  width: 2,
                  color: Color.GRAY,
                },
                scaleType: ScaleType.ScaleToFill,
                layoutConfig: layoutConfig().just(),
                loadCallback: (ret) => {},
              }),
              label("ScaleAspectFit"),
              image({
                imageUrl,
                width: 300,
                height: 300,
                border: {
                  width: 2,
                  color: Color.GRAY,
                },
                scaleType: ScaleType.ScaleAspectFit,
                layoutConfig: layoutConfig().just(),
              }),
              label("ScaleAspectFill"),
              image({
                imageUrl,
                width: 300,
                height: 300,
                border: {
                  width: 2,
                  color: Color.GRAY,
                },
                scaleType: ScaleType.ScaleAspectFill,
                layoutConfig: layoutConfig().just(),
              }),
              label("ImageBase64"),
              image({
                imageBase64: img_base64[0],
                width: 300,
                height: 300,
                border: {
                  width: 2,
                  color: Color.GRAY,
                },
                scaleType: ScaleType.ScaleAspectFill,
                layoutConfig: layoutConfig().just(),
              }),
              label("StretchInset 1"),
              image({
                imageBase64: img_base64[1],
                height: 60,
                width: 134,
                scaleType: ScaleType.ScaleAspectFill,
                layoutConfig: layoutConfig().just(),
              }),
              image({
                imageBase64: img_base64[1],
                height: 60,
                width: 294,
                scaleType: ScaleType.ScaleToFill,
                layoutConfig: layoutConfig().just(),
                stretchInset: {
                  left: 0.85,
                  top: 0,
                  right: 0.149,
                  bottom: 0,
                },
              }),

              label("StretchInset 2"),
              image({
                image: new AssetsResource("coupon_bg2.png"),
                height: 48,
                width: 78,
                scaleType: ScaleType.ScaleAspectFill,
                layoutConfig: layoutConfig().just(),
              }),
              image({
                image: new AssetsResource("coupon_bg2.png"),
                height: 48,
                width: 78 * 3,
                scaleType: ScaleType.ScaleToFill,
                imageScale: 1,
                layoutConfig: layoutConfig().just(),
                stretchInset: {
                  left: 0,
                  top: 0,
                  right: 76,
                  bottom: 0,
                },
              }),

              label("tileInset 1"),
              image({
                image: new AssetsResource("dididi.png"),
                height: 78,
                width: 84,
                backgroundColor: Color.BLACK,
                scaleType: ScaleType.ScaleAspectFill,
                layoutConfig: layoutConfig().just(),
              }),
              image({
                image: new AssetsResource("dididi.png"),
                height: 78,
                width: 84 * 3,
                imageScale: 1,
                backgroundColor: Color.BLACK,
                scaleType: ScaleType.Tile,
                layoutConfig: layoutConfig().just(),
              }),

              label("tileInset 2"),
              image({
                image: new AssetsResource("123.png"),
                height: 288 / 2,
                width: 154 / 2,
                scaleType: ScaleType.ScaleAspectFill,
                layoutConfig: layoutConfig().just(),
              }),
              image({
                image: new AssetsResource("123.png"),
                height: 288,
                width: 154,
                imageScale: 2,
                scaleType: ScaleType.Tile,
                layoutConfig: layoutConfig().just(),
              }),
            ],
            {
              layoutConfig: layoutConfig().most().configHeight(LayoutSpec.FIT),
              gravity: gravity().center(),
              space: 10,
            }
          ),
          {
            layoutConfig: layoutConfig().most(),
          }
        )
          .also((it) => {
            coordinator(context).verticalScrolling({
              scrollable: it,
              scrollRange: {
                start: 0,
                end: 100,
              },
              target: "NavBar",
              changing: {
                name: "backgroundColor",
                start: Color.WHITE,
                end: Color.RED,
              },
            });
            coordinator(context).verticalScrolling({
              scrollable: it,
              scrollRange: {
                start: 0,
                end: 100,
              },
              target: imageView,
              changing: {
                name: "width",
                start: 10,
                end: 200,
              },
            });
          })
          .in(rootView);
    }
    onDestroy() {
        modal(context).toast('onDestroy')
    }
}