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<template>
<div class="line-element-operate">
<template v-if="handlerVisible">
<ResizeHandler
class="operate-resize-handler"
v-for="point in resizeHandlers"
:key="point.handler"
:style="point.style"
@mousedown.stop="$event => dragLineElement($event, elementInfo, point.handler)"
/>
<svg
:width="svgWidth || 1"
:height="svgHeight || 1"
:stroke="elementInfo.color"
overflow="visible"
:style="{ transform: `scale(${canvasScale})` }"
>
<template v-if="elementInfo.curve">
<g>
<line class="anchor-line" :x1="elementInfo.start[0]" :y1="elementInfo.start[1]" :x2="elementInfo.curve[0]" :y2="elementInfo.curve[1]"></line>
<line class="anchor-line" :x1="elementInfo.end[0]" :y1="elementInfo.end[1]" :x2="elementInfo.curve[0]" :y2="elementInfo.curve[1]"></line>
</g>
</template>
<template v-if="elementInfo.cubic">
<g v-for="(item, index) in elementInfo.cubic" :key="index">
<line class="anchor-line" v-if="index === 0" :x1="elementInfo.start[0]" :y1="elementInfo.start[1]" :x2="item[0]" :y2="item[1]"></line>
<line class="anchor-line" v-if="index === 1" :x1="elementInfo.end[0]" :y1="elementInfo.end[1]" :x2="item[0]" :y2="item[1]"></line>
</g>
</template>
</svg>
</template>
</div>
</template>
<script lang="ts">
export default {
inheritAttrs: false,
}
</script>
<script lang="ts" setup>
import { computed } from 'vue'
import { storeToRefs } from 'pinia'
import { useMainStore } from '@/store'
import type { PPTLineElement } from '@/types/slides'
import { OperateLineHandlers } from '@/types/edit'
import ResizeHandler from './ResizeHandler.vue'
const props = defineProps<{
elementInfo: PPTLineElement
handlerVisible: boolean
dragLineElement: (e: MouseEvent, element: PPTLineElement, command: OperateLineHandlers) => void
}>()
const { canvasScale } = storeToRefs(useMainStore())
const svgWidth = computed(() => Math.max(props.elementInfo.start[0], props.elementInfo.end[0]))
const svgHeight = computed(() => Math.max(props.elementInfo.start[1], props.elementInfo.end[1]))
const resizeHandlers = computed(() => {
const handlers = [
{
handler: OperateLineHandlers.START,
style: {
left: props.elementInfo.start[0] * canvasScale.value + 'px',
top: props.elementInfo.start[1] * canvasScale.value + 'px',
}
},
{
handler: OperateLineHandlers.END,
style: {
left: props.elementInfo.end[0] * canvasScale.value + 'px',
top: props.elementInfo.end[1] * canvasScale.value + 'px',
}
},
]
if (props.elementInfo.curve || props.elementInfo.broken || props.elementInfo.broken2) {
const ctrlHandler = (props.elementInfo.curve || props.elementInfo.broken || props.elementInfo.broken2) as [number, number]
handlers.push({
handler: OperateLineHandlers.C,
style: {
left: ctrlHandler[0] * canvasScale.value + 'px',
top: ctrlHandler[1] * canvasScale.value + 'px',
}
})
}
else if (props.elementInfo.cubic) {
const [ctrlHandler1, ctrlHandler2] = props.elementInfo.cubic
handlers.push({
handler: OperateLineHandlers.C1,
style: {
left: ctrlHandler1[0] * canvasScale.value + 'px',
top: ctrlHandler1[1] * canvasScale.value + 'px',
}
})
handlers.push({
handler: OperateLineHandlers.C2,
style: {
left: ctrlHandler2[0] * canvasScale.value + 'px',
top: ctrlHandler2[1] * canvasScale.value + 'px',
}
})
}
return handlers
})
</script>
<style lang="scss" scoped>
svg {
position: absolute;
left: 0;
top: 0;
pointer-events: none;
transform-origin: 0 0;
}
.anchor-line {
stroke-width: 1px;
stroke-dasharray: 5 5;
opacity: .5;
}
</style> |