<script lang="tsx" setup>
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import { ref, watch, onMounted, computed } from 'vue'
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import { customMergeColor } from '@/custom-component/de-decoration/component_details/config'
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import { cloneDeep } from 'lodash-es'
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interface Props {
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color?: string[]
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backgroundColor?: string
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curStyle: { width: number; height: number }
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scale: number
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}
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const props = withDefaults(defineProps<Props>(), {
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color: () => [],
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backgroundColor: 'transparent',
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curStyle: () => ({
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width: 320,
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height: 240
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})
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})
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const width = computed(() => props.curStyle.width)
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const height = computed(() => props.curStyle.height)
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const defaultColor = ref(['#2862b7', '#2862b7'])
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const mergedColor = ref<string[]>([])
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const mergeColor = () => {
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mergedColor.value = customMergeColor(cloneDeep(defaultColor.value), props.color)
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}
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const border_style = computed(() => {
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return {
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width: `${width.value}px`,
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height: `${height.value}px`,
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transform: `scale(${props.scale})`,
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'transform-origin': '0 0',
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'will-change': 'transform' // 提示浏览器准备变换
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}
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})
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watch(() => props.color, mergeColor, { immediate: true })
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onMounted(mergeColor)
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</script>
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<template>
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<div class="dv-border-box-3" :style="border_style" :ref="ref">
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<svg class="dv-border-svg-container" :width="width" :height="height">
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<polygon
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:fill="backgroundColor"
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:points="`
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23, 23 ${width - 24}, 23 ${width - 24}, ${height - 24} 23, ${height - 24}
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`"
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/>
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<polyline
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class="dv-bb3-line1"
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:stroke="mergedColor[0]"
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:points="`4, 4 ${width - 22} ,4 ${width - 22}, ${height - 22} 4, ${height - 22} 4, 4`"
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/>
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<polyline
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class="dv-bb3-line2"
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:stroke="mergedColor[1]"
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:points="`10, 10 ${width - 16}, 10 ${width - 16}, ${height - 16} 10, ${height - 16} 10, 10`"
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/>
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<polyline
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class="dv-bb3-line2"
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:stroke="mergedColor[1]"
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:points="`16, 16 ${width - 10}, 16 ${width - 10}, ${height - 10} 16, ${height - 10} 16, 16`"
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/>
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<polyline
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class="dv-bb3-line2"
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:stroke="mergedColor[1]"
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:points="`22, 22 ${width - 4}, 22 ${width - 4}, ${height - 4} 22, ${height - 4} 22, 22`"
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/>
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</svg>
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<div class="border-box-content">
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<slot></slot>
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</div>
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</div>
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</template>
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<style lang="less">
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.dv-border-box-3 {
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position: relative;
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width: 100%;
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height: 100%;
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/* 启用硬件加速 */
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transform: translateZ(0);
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backface-visibility: hidden;
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contain: content; /* 限制重绘范围 */
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.dv-border-svg-container {
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position: absolute;
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width: 100%;
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height: 100%;
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top: 0;
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left: 0;
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/* 优化SVG渲染 */
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shape-rendering: crispEdges;
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pointer-events: none; /* 禁用鼠标事件 */
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& > polyline {
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fill: none;
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vector-effect: non-scaling-stroke; /* 保持线条宽度不受缩放影响 */
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}
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.dv-bb3-line1 {
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stroke-width: 3;
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stroke-linecap: round; /* 线条端点圆角 */
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}
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.dv-bb3-line2 {
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stroke-width: 1;
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stroke-dasharray: 100; /* 添加虚线效果提升视觉层次 */
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stroke-dashoffset: 100;
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animation: dash 5s linear infinite;
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}
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}
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.border-box-content {
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position: relative;
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width: 100%;
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height: 100%;
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isolation: isolate; /* 创建新的层叠上下文 */
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}
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}
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@keyframes dash {
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to {
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stroke-dashoffset: 0;
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}
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}
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</style>
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