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c54b9cd892
* feat: add imgInfo for render function * fix: remove useless code * fix: revert demo * chore: bump rc-image verison from 7.6.0 to 7.7.0 * test: update snapshot * fix: update snapshot * docs: update version * docs: update
179 lines
7.2 KiB
Markdown
179 lines
7.2 KiB
Markdown
---
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category: Components
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group: Data Display
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title: Image
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description: Preview-able image.
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cols: 2
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cover: https://mdn.alipayobjects.com/huamei_7uahnr/afts/img/A*FbOCS6aFMeUAAAAAAAAAAAAADrJ8AQ/original
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coverDark: https://mdn.alipayobjects.com/huamei_7uahnr/afts/img/A*LVQ3R5JjjJEAAAAAAAAAAAAADrJ8AQ/original
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---
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## When To Use
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- When you need to display pictures.
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- Display when loading a large image or fault tolerant handling when loading fail.
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## Examples
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<!-- prettier-ignore -->
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<code src="./demo/basic.tsx">Basic Usage</code>
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<code src="./demo/fallback.tsx">Fault tolerant</code>
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<code src="./demo/placeholder.tsx">Progressive Loading</code>
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<code src="./demo/preview-group.tsx">Multiple image preview</code>
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<code src="./demo/preview-group-visible.tsx">Preview from one image</code>
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<code src="./demo/previewSrc.tsx">Custom preview image</code>
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<code src="./demo/controlled-preview.tsx">Controlled Preview</code>
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<code src="./demo/toolbarRender.tsx">Custom toolbar render</code>
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<code src="./demo/imageRender.tsx">Custom preview render</code>
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<code src="./demo/preview-mask.tsx" debug>Custom preview mask</code>
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<code src="./demo/nested.tsx">nested</code>
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<code src="./demo/preview-group-top-progress.tsx" debug>Top progress customization when previewing multiple images</code>
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<code src="./demo/component-token.tsx" debug>Custom component token</code>
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<code src="./demo/preview-imgInfo.tsx" debug>Gets image info in the render function</code>
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## API
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Common props ref:[Common props](/docs/react/common-props)
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### Image
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| Property | Description | Type | Default | Version |
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| --- | --- | --- | --- | --- |
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| alt | Image description | string | - | 4.6.0 |
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| fallback | Load failure fault-tolerant src | string | - | 4.6.0 |
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| height | Image height | string \| number | - | 4.6.0 |
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| placeholder | Load placeholder, use default placeholder when set `true` | ReactNode | - | 4.6.0 |
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| preview | preview config, disabled when `false` | boolean \| [PreviewType](#previewtype) | true | 4.6.0 [PreviewType](#previewtype):4.7.0 |
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| src | Image path | string | - | 4.6.0 |
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| width | Image width | string \| number | - | 4.6.0 |
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| onError | Load failed callback | (event: Event) => void | - | 4.12.0 |
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Other attributes [<img>](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/img#Attributes)
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### PreviewType
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| Property | Description | Type | Default | Version |
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| --- | --- | --- | --- | --- |
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| visible | Whether the preview dialog is visible or not | boolean | - | - |
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| src | Custom preview src | string | - | 4.10.0 |
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| getContainer | The mounted node for preview dialog but still display at fullScreen | string \| HTMLElement \| (() => HTMLElement) \| false | - | 4.8.0 |
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| movable | whether can be moved | boolean | true | 5.8.0 |
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| mask | Thumbnail mask | ReactNode | - | 4.9.0 |
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| maskClassName | The className of the mask | string | - | 4.11.0 |
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| rootClassName | The classname of the preview root DOM | string | - | 5.4.0 |
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| scaleStep | `1 + scaleStep` is the step to increase or decrease the scale | number | 0.5 | - |
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| minScale | Min scale | number | 1 | 5.7.0 |
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| maxScale | Max scale | number | 50 | 5.7.0 |
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| closeIcon | Custom close icon | React.ReactNode | - | 5.7.0 |
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| forceRender | Force render preview dialog | boolean | - | - |
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| toolbarRender | Custom toolbar render | (originalNode: React.ReactElement, info: Omit<[ToolbarRenderInfoType](#toolbarrenderinfotype), 'current' \| 'total'>) => React.ReactNode | - | 5.7.0 |
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| imageRender | Custom preview content | (originalNode: React.ReactElement, info: { transform: [TransformType](#transformtype) }) => React.ReactNode | - | 5.7.0 |
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| onTransform | Callback when the transform of image changed | { transform: [TransformType](#transformtype), action: [TransformAction](#transformaction) } | - | 5.7.0 |
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| onVisibleChange | Callback when `visible` changed | (visible: boolean, prevVisible: boolean) => void | - | - |
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## PreviewGroup
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| Property | Description | Type | Default | Version |
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| --- | --- | --- | --- | --- |
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| preview | Preview config, `disabled` when false | boolean \| [PreviewGroupType](#previewgrouptype) | true | 4.6.0 [PreviewGroupType](#previewgrouptype):4.7.0 |
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| items | Preview items | string[] \| { src: string, crossOrigin: string, ... }[] | - | 5.7.0 |
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| fallback | Load failure fault-tolerant src | string | - | 5.7.0 |
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### PreviewGroupType
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| Property | Description | Type | Default | Version |
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| --- | --- | --- | --- | --- |
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| visible | Whether the preview dialog is visible or not | boolean | - | - |
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| getContainer | The mounted node for preview dialog but still display at fullScreen | string \| HTMLElement \| (() => HTMLElement) \| false | - | 4.8.0 |
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| movable | whether can be moved | boolean | true | 5.8.0 |
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| current | The index of the current preview | number | - | 4.12.0 |
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| mask | Thumbnail mask | ReactNode | - | 4.9.0 |
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| maskClassName | The className of the mask | string | - | 4.11.0 |
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| rootClassName | The classname of the preview root DOM | string | - | 5.4.0 |
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| scaleStep | `1 + scaleStep` is the step to increase or decrease the scale | number | 0.5 | - |
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| minScale | Min scale | number | 1 | 5.7.0 |
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| maxScale | Max scale | number | 50 | 5.7.0 |
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| closeIcon | Custom close icon | React.ReactNode | - | 5.7.0 |
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| forceRender | Force render preview dialog | boolean | - | - |
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| countRender | Custom preview count content | (current: number, total: number) => React.ReactNode | - | 4.20.0 |
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| toolbarRender | Custom toolbar render | (originalNode: React.ReactElement, info: [ToolbarRenderInfoType](#toolbarrenderinfotype)) => React.ReactNode | - | 5.7.0, `info.image`: 5.18.0 |
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| imageRender | Custom preview content | (originalNode: React.ReactElement, info: { transform: [TransformType](#transformtype), image: [ImgInfo](#imginfo), current: number }) => React.ReactNode | - | 5.7.0, image: 5.18.0 |
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| onTransform | Callback when the transform of image changed | { transform: [TransformType](#transformtype), action: [TransformAction](#transformaction) } | - | 5.7.0 |
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| onChange | Callback when switch preview image | (current: number, prevCurrent: number) => void | - | 5.3.0 |
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| onVisibleChange | Callback when `visible` changed | (visible: boolean, prevVisible: boolean, current: number) => void | - | current Property 5.3.0 |
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## Interface
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### TransformType
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```typescript
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{
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x: number;
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y: number;
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rotate: number;
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scale: number;
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flipX: boolean;
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flipY: boolean;
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}
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```
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### TransformAction
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```typescript
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type TransformAction =
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| 'flipY'
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| 'flipX'
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| 'rotateLeft'
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| 'rotateRight'
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| 'zoomIn'
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| 'zoomOut'
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| 'close'
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| 'prev'
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| 'next'
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| 'wheel'
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| 'doubleClick'
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| 'move'
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| 'dragRebound';
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```
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### ToolbarRenderInfoType
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```typescript
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{
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icons: {
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flipYIcon: React.ReactNode;
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flipXIcon: React.ReactNode;
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rotateLeftIcon: React.ReactNode;
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rotateRightIcon: React.ReactNode;
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zoomOutIcon: React.ReactNode;
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zoomInIcon: React.ReactNode;
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};
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actions: {
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onFlipY: () => void;
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onFlipX: () => void;
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onRotateLeft: () => void;
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onRotateRight: () => void;
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onZoomOut: () => void;
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onZoomIn: () => void;
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};
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transform: TransformType,
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current: number;
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image: ImgInfo
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}
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```
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### ImgInfo
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```typescript
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{
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url: string;
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alt: string;
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width: string | number;
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height: string | number;
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}
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```
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## Design Token
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<ComponentTokenTable component="Image"></ComponentTokenTable>
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