rc-image

rc-image

React Image.

Feature

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

install

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: {
    flipYIcon: React.ReactNode;
    flipXIcon: React.ReactNode;
    rotateLeftIcon: React.ReactNode;
    rotateRightIcon: React.ReactNode;
    zoomOutIcon: React.ReactNode;
    zoomInIcon: React.ReactNode;
  };
  actions: {
    onFlipY: () => void;
    onFlipX: () => void;
    onRotateLeft: () => void;
    onRotateRight: () => void;
    onZoomOut: () => void;
    onZoomIn: () => 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.