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rc-image

React Image.

NPM version npm download build status Codecov bundle size dumi

Feature

  • Placeholder
  • Preview
  • Rotate
  • Zoom
  • Flip
  • Fallback
  • Multiple Preview

install

rc-image

Usage

npm install
npm start
import Image from 'rc-image';

export default () => (
  <Image src="https://zos.alipayobjects.com/rmsportal/jkjgkEfvpUPVyRjUImniVslZfWPnJuuZ.png" />
);

API

Name Type Default Description
preview boolean | PreviewType true Whether to show preview
prefixCls string rc-image Classname prefix
placeholder boolean | ReactElement - if true will set default placeholder or use ReactElement set customize placeholder
fallback string - Load failed src
previewPrefixCls string rc-image-preview Preview classname prefix
onError (event: Event) => void - Load failed callback

PreviewType

Name Type Default Description
visible boolean - Whether the preview is open or not
closeIcon React.ReactNode - Custom close icon
src string - Customize preview src
movable boolean true Enable drag
scaleStep number 0.5 The number to which the scale is increased or decreased
minScale number 1 Min scale
maxScale number 50 Max scale
forceRender boolean - Force render preview
getContainer string | HTMLElement | (() => HTMLElement) | false document.body Return the mount node for preview
imageRender (originalNode: React.ReactElement, info: { transform: TransformType }) => React.ReactNode - Customize image
toolbarRender (originalNode: React.ReactElement, info: Omit<ToolbarRenderInfoType, 'current' | 'total'>) => React.ReactNode - Customize toolbar
onVisibleChange (visible: boolean, prevVisible: boolean) => void - Callback when visible is changed
onTransform { transform: TransformType, action: TransformAction } - Callback when transform is changed

Image.PreviewGroup

preview the merged src

import Image from 'rc-image';

export default () => (
  <Image.PreviewGroup>
    <Image src="https://zos.alipayobjects.com/rmsportal/jkjgkEfvpUPVyRjUImniVslZfWPnJuuZ.png" />
    <Image src="https://gw.alipayobjects.com/mdn/rms_08e378/afts/img/A*P0S-QIRUbsUAAAAAAAAAAABkARQnAQ" />
  </Image.PreviewGroup>
);

API

Name Type Default Description
preview boolean | PreviewGroupType true Whether to show preview,
current: If Preview the show img index, default 0
previewPrefixCls string rc-image-preview Preview classname prefix
icons { [iconKey]?: ReactNode } - Icons in the top operation bar, iconKey: 'rotateLeft' | 'rotateRight' | 'zoomIn' | 'zoomOut' | 'close' | 'left' | 'right'
fallback string - Load failed src
items (string | { src: string, alt: string, crossOrigin: string, ... })[] - preview group

PreviewGroupType

Name Type Default Description
visible boolean - Whether the preview is open or not
movable boolean true Enable drag
current number - Current index
closeIcon React.ReactNode - Custom close icon
scaleStep number 0.5 The number to which the scale is increased or decreased
minScale number 1 Min scale
maxScale number 50 Max scale
forceRender boolean - Force render preview
getContainer string | HTMLElement | (() => HTMLElement) | false document.body Return the mount node for preview
countRender (current: number, total: number) => ReactNode - Customize count
imageRender (originalNode: React.ReactElement, info: { transform: TransformType, current: number }) => React.ReactNode - Customize image
toolbarRender (originalNode: React.ReactElement, info: ToolbarRenderInfoType) => React.ReactNode - Customize toolbar
onVisibleChange (visible: boolean, prevVisible: boolean, current: number) => void - Callback when visible is changed
onTransform { transform: TransformType, action: TransformAction } - Callback when transform is changed

TransformType

{
  x: number;
  y: number;
  rotate: number;
  scale: number;
  flipX: boolean;
  flipY: boolean;
}

TransformAction

type TransformAction =
  | 'flipY'
  | 'flipX'
  | 'rotateLeft'
  | 'rotateRight'
  | 'zoomIn'
  | 'zoomOut'
  | 'close'
  | 'prev'
  | 'next'
  | 'wheel'
  | 'doubleClick'
  | 'move'
  | 'dragRebound';

ToolbarRenderInfoType

{
  icons: {
    prevIcon?: React.ReactNode;
    nextIcon?: React.ReactNode;
    flipYIcon: React.ReactNode;
    flipXIcon: React.ReactNode;
    rotateLeftIcon: React.ReactNode;
    rotateRightIcon: React.ReactNode;
    zoomOutIcon: React.ReactNode;
    zoomInIcon: React.ReactNode;
  };
  actions: {
    onActive?: (offset: number) => void;
    onFlipY: () => void;
    onFlipX: () => void;
    onRotateLeft: () => void;
    onRotateRight: () => void;
    onZoomOut: () => void;
    onZoomIn: () => void;
    onClose: () => void;
    onReset: () => void;
  };
  transform: {
    x: number;
    y: number;
    rotate: number;
    scale: number;
    flipX: boolean;
    flipY: boolean;
  },
  current: number;
  total: number;
}

Example

http://localhost:8003/examples/

Test Case

npm test

Coverage

npm run coverage

License

rc-image is released under the MIT license.