Scarlet Reader

Scarlet reader is a picture/manga viewer based on Vue.

demos

src/examples gives more demos

features

• horizon & vertical scrolling direction
• normal & virtual scroller
• sliding animation
• touch event (only tested on Chrome mobile)
• prev page/next page
• slide to(only normal scroller)
• slots for items

usage

npm install scarlet-reader

or

yarn add scarlet-reader

in main.js (or other place before using <ReaderSlider> tags)

import Vue from 'vue'

// some other code...

import Reader from 'scarlet-reader'

// register reader components
Vue.use(Reader)

// other code...
// new Vue()

In *.vue where you use it

<ReaderSlider :options="options" :items="items">
  <template v-slot:item="{ item, index, active }">
    <ReaderItem :index="index" :active="active">
      <img :src="item.src"/>
      <p>index: {{ index }}</p>
    </ReaderItem>
  </template>
  <template v-slot:pagination="{ item, current, total }">
    <ReaderPagination :current="current" :total="total">
      <div> {{ current + '/' + total }} </div>
    </ReaderPagination>
  </template>
</ReaderSlider>

and provide items and options in data

export default {
  
  // some code here...

  data () {
    const items = []
    for (let i = 1; i <= 1207; i++) {
      items.push({ src: `/static/${i}.jpg` })
    }
    return {
      items,
      options: {
        // some options
      }
    }
  }

  // other code...
}

items in the list can be customized in <ReaderItem> as the way you like

to-do list

• support slideTo on virtual scroller
• support current in options indicates to sliding to where after initialization
• loading slot in <ReaderItem>
• pagination
• touch support on Safari
• performance improvement

options

property	type	default	description
animateDuration	Number	1000	the duration of sliding animation
batch	Number	16	the amount of unreached items but pre-load into DOM
current	Number	0	[TO BE SUPPORTED] slide to the item which has this index after initialization
direction	String	vertical	the sliding direction
easing	[String, String]	['Quintic', 'Out']	easing type of tween.js which controls sliding animation
height	String	600px	height of visible reader div percentage also supported (100%)
inertia	Boolean	true	enable sliding animation
loading	Boolean	true	[TO BE SUPPORTED] enable loading slot display
margin	String	0px	margin between adjacent two items
pagination	Boolean	true	[TO BE SUPPORTED] enable pagination display
scale	String	80%	how much item will occupy on fixed direction center automatically
speedLimit	{ down: Number, up: Number }	{ down: 0.1, up: 10 }	sliding speed greater than up will be limited to up during animation; speed less than down won't have inertia animation
virtual	Boolean	true	enable virtual scroller - less memory and time to load, but cannot use slideTo method
width	String	400px	width of visible reader div percentage also supported (100%)

apis

<ReaderSlider>

props

• options
  • type Object
  • example

    {
      virtual: true,
      direction: 'vertical',
      margin: '0px',
      width: '590px',
      height: '940px',
      inertia: true,
      loading: true,
      batch: 10,
      speedLimit: { down: 0.2, up: 8 }
    }

• items
  • type Array
  • example

    [
      { src: '1.jpg' },
      { src: '2.jpg' },
      { src: '3.jpg' },
      { src: '4.jpg' },
      { src: '5.jpg' }
    ]

methods

• slideTo
  slide to the given index. NOTE: ONLY support normal scroller, when options.virtual set to be false
  • param index
index should in range of [0, length of items]
    • type Number
  • returns void
• prev
  slide to previous page
  • param void
  • returns void

example:

<!--in vue template-->
<ReaderSlider ref="slider" :options="options" :items="items">
  <!--ReaderItem-->
</ReaderSlider>

// in component
this.$refs.slider.slideTo(1)

events

• changed
  current page has been changed for any reasons
  • param index
    new page index
• prev
  trigger as prev method was invoked
  • param latest
    current page index (before change)
  • param next
    new page index (after change)
• next
  trigger as next method was invoked
  • param latest
    current page index (before change)
  • param next
    new page index (after change)
• slide-to
  trigger as slideTo method was invoked
  • param latest
    current page index (before change)
  • param next
    new page index (after change)

slots

• item
  • scoped varibles
    • index Number current page index
    • item Object current page data
    • active Boolean whether this page is loaded to DOM
• pagination
  • scoped varibles
    • item Object current page data
    • current Number current page index
    • total Number amount of items

<ReaderItem>

slots

• loading
  display when is loading [TO BE SUPPORTED]

license

MIT

about Scarlet

Scarlet is a cross-platform manga reader constructed by electron. One of components works with scarlet reader.