From e5021187e96b78b53203bd95d08d6818aea47d17 Mon Sep 17 00:00:00 2001 From: "Thomas F. K. Jorna" Date: Wed, 14 Jul 2021 15:10:31 +0200 Subject: New Ignite 7.0.6 app --- app/components/auto-image/auto-image.story.tsx | 31 +++++++++++++++++ app/components/auto-image/auto-image.tsx | 46 ++++++++++++++++++++++++++ 2 files changed, 77 insertions(+) create mode 100644 app/components/auto-image/auto-image.story.tsx create mode 100644 app/components/auto-image/auto-image.tsx (limited to 'app/components/auto-image') diff --git a/app/components/auto-image/auto-image.story.tsx b/app/components/auto-image/auto-image.story.tsx new file mode 100644 index 0000000..f7ecc86 --- /dev/null +++ b/app/components/auto-image/auto-image.story.tsx @@ -0,0 +1,31 @@ +/* eslint-disable */ +import * as React from "react" +import { storiesOf } from "@storybook/react-native" +import { StoryScreen, Story, UseCase } from "../../../storybook/views" +import { AutoImage } from "./auto-image" + +declare let module + +const bowser = require("../../screens/welcome/bowser.png") +const morty = { uri: "https://rickandmortyapi.com/api/character/avatar/2.jpeg" } + +storiesOf("AutoImage", module) + .addDecorator((fn) => {fn()}) + .add("Style Presets", () => ( + + + + + + + + + + + + + + + + + )) diff --git a/app/components/auto-image/auto-image.tsx b/app/components/auto-image/auto-image.tsx new file mode 100644 index 0000000..39d71ca --- /dev/null +++ b/app/components/auto-image/auto-image.tsx @@ -0,0 +1,46 @@ +import React, { useLayoutEffect, useState } from "react" +import { + Image as RNImage, + ImageProps as DefaultImageProps, + ImageURISource, + Platform, +} from "react-native" + +type ImageProps = DefaultImageProps & { + source: ImageURISource +} + +/** + * An Image wrapper component that autosizes itself to the size of the actual image. + * You can always override by passing a width and height in the style. + * If passing only one of width/height this image component will use the actual + * size of the other dimension. + * + * This component isn't required, but is provided as a convenience so that + * we don't have to remember to explicitly set image sizes on every image instance. + * + * To use as a stand-in replacement import { AutoImage as Image } and remove the + * Image import from react-native. Now all images in that file are handled by this + * component and are web-ready if not explicitly sized in the style property. + */ +export function AutoImage(props: ImageProps) { + const [imageSize, setImageSize] = useState({ width: 0, height: 0 }) + + useLayoutEffect(() => { + if (props.source?.uri) { + RNImage.getSize(props.source.uri as any, (width, height) => { + setImageSize({ width, height }) + }) + } else if (Platform.OS === "web") { + // web requires a different method to get it's size + RNImage.getSize(props.source as any, (width, height) => { + setImageSize({ width, height }) + }) + } else { + const { width, height } = RNImage.resolveAssetSource(props.source) + setImageSize({ width, height }) + } + }, []) + + return +} -- cgit v1.2.3