Aurora Admin v1.2.0: 79 components x 5 ends, doc site, contracts batch 1, playground, regression, deploy ready
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<template>
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<div class="aa-qrcode">
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<svg :width="size" :height="size" :viewBox="'0 0 ' + size + ' ' + size" :fill="color">
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<rect v-for="(rc, i) in cells" :key="i" :x="rc.x" :y="rc.y" :width="cell" :height="cell" />
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</svg>
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<div class="aa-qrcode-text" v-if="showText">{{ value }}</div>
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</div>
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</template>
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<script>
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export default {
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name: 'AaQrcode',
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props: { value: { type: String, default: '' }, size: { type: Number, default: 200 }, color: { type: String, default: '#1F2329' }, showText: { type: Boolean, default: true } },
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data: function () { return { n: 25, cell: 8 }; },
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computed: {
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cells: function () {
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var n = this.n, cell = this.cell, m = this.matrix(this.value, n), out = [];
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for (var r = 0; r < n; r++) for (var c = 0; c < n; c++) {
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if (m[r][c]) out.push({ x: c * cell, y: r * cell });
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}
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return out;
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}
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},
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methods: {
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matrix: function (value, n) {
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var seed = 0; for (var i = 0; i < value.length; i++) seed = (seed * 31 + value.charCodeAt(i)) >>> 0;
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function rnd() { seed = (seed * 1103515245 + 12345) >>> 0; return seed / 4294967296; }
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var m = []; for (var r = 0; r < n; r++) m.push(new Array(n).fill(false));
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for (var r2 = 0; r2 < n; r2++) for (var c = 0; c < n; c++) if (rnd() > 0.5) m[r2][c] = true;
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function place(r0, c0) {
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for (var r = 0; r < 7; r++) for (var c = 0; c < 7; c++) {
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var edge = r === 0 || r === 6 || c === 0 || c === 6, inner = r >= 2 && r <= 4 && c >= 2 && c <= 4;
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m[r0 + r][c0 + c] = edge || inner;
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}
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for (var rr = -1; rr < 8; rr++) for (var cc = -1; cc < 8; cc++) {
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var y = r0 + rr, x = c0 + cc; if (y >= 0 && y < n && x >= 0 && x < n) { if (rr < 0 || rr === 7 || cc < 0 || cc === 7) m[y][x] = false; }
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}
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}
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place(0, 0); place(0, n - 7); place(n - 7, 0);
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return m;
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}
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},
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created: function () { this.cell = this.size / this.n; }
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};
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</script>
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<style src="./QRCode.css"></style>
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