2018-02-20 07:56:39 +09:00
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<template>
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<svg viewBox="0 0 1 1" preserveAspectRatio="none">
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<circle
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:r="r"
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cx="50%" cy="50%"
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fill="none"
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stroke-width="0.1"
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stroke="rgba(0, 0, 0, 0.05)"/>
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<circle
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:r="r"
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cx="50%" cy="50%"
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:stroke-dasharray="Math.PI * (r * 2)"
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:stroke-dashoffset="strokeDashoffset"
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fill="none"
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stroke-width="0.1"
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:stroke="color"/>
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2018-02-22 00:07:37 +09:00
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<text x="50%" y="50%" dy="0.05" text-anchor="middle">{{ (value * 100).toFixed(0) }}%</text>
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2018-02-20 07:56:39 +09:00
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</svg>
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</template>
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<script lang="ts">
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import Vue from 'vue';
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export default Vue.extend({
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props: {
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value: {
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type: Number,
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required: true
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}
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},
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data() {
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return {
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r: 0.4
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};
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},
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computed: {
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color(): string {
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return `hsl(${180 - (this.value * 180)}, 80%, 70%)`;
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},
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strokeDashoffset(): number {
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return (1 - this.value) * (Math.PI * (this.r * 2));
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}
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}
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});
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</script>
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<style lang="stylus" scoped>
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svg
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display block
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height 100%
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> circle
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transform-origin center
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transform rotate(-90deg)
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transition stroke-dashoffset 0.5s ease
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> text
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font-size 0.15px
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fill rgba(0, 0, 0, 0.6)
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</style>
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