64 lines
1.4 KiB
JavaScript
64 lines
1.4 KiB
JavaScript
const StillImage = {
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props: [
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'src',
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'referrerpolicy',
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'mimetype',
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'imageLoadError',
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'imageLoadHandler',
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'alt',
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'height',
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'width',
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'dataSrc'
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],
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data () {
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return {
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// for lazy loading, see loadLazy()
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realSrc: this.src,
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stopGifs: this.$store.getters.mergedConfig.stopGifs
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}
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},
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computed: {
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animated () {
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if (!this.realSrc) {
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return false
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}
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return this.stopGifs && (this.mimetype === 'image/gif' || this.realSrc.endsWith('.gif'))
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},
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style () {
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const appendPx = (str) => /\d$/.test(str) ? str + 'px' : str
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return {
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height: this.height ? appendPx(this.height) : null,
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width: this.width ? appendPx(this.width) : null
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}
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}
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},
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methods: {
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loadLazy () {
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if (this.dataSrc) {
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this.realSrc = this.dataSrc
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}
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},
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onLoad () {
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if (!this.realSrc) {
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return
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}
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const image = this.$refs.src
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if (!image) return
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this.imageLoadHandler && this.imageLoadHandler(image)
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const canvas = this.$refs.canvas
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if (!canvas) return
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const width = image.naturalWidth
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const height = image.naturalHeight
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canvas.width = width
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canvas.height = height
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canvas.getContext('2d').drawImage(image, 0, 0, width, height)
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},
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onError () {
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this.imageLoadError && this.imageLoadError()
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}
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}
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}
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export default StillImage
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