画布增加的新功能
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李志鹏
@@ -0,0 +1,190 @@
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<template>
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<div class="offset-tool">
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<div
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class="dish"
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@mousedown="mousedown"
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@touchstart="mousedown"
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ref="dishRef"
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>
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<span
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:style="{ top: data.top + '%', left: data.left + '%' }"
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></span>
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</div>
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<input
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class="top"
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type="range"
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:min="0"
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:max="100"
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:step="0.1"
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v-model="data.top"
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@input="onInput"
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@change="onChange"
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/>
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<input
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class="left"
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type="range"
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:min="0"
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:max="100"
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:step="0.1"
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v-model="data.left"
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@input="onInput"
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@change="onChange"
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/>
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<span class="tip"
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>x:{{ tofix(data.left) }}% y:{{ tofix(data.top) }}%</span
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>
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</div>
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</template>
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<script setup lang="ts">
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import { ref, defineProps, defineEmits, watch } from "vue";
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const props = defineProps({
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top: {
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type: Number,
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default: 50,
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},
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left: {
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type: Number,
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default: 50,
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},
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});
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const tofix = (v: number | string) => Number(Number(v).toFixed(1));
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const emit = defineEmits(["change", "input"]);
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const data = reactive({
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top: tofix(props.top),
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left: tofix(props.left),
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});
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watch(
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() => props.top,
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(v) => (data.top = tofix(v))
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);
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watch(
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() => props.left,
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(v) => (data.left = tofix(v))
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);
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const dishRef = ref<HTMLDivElement>();
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const mousedown = (e: MouseEvent | TouchEvent) => {
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if (!dishRef.value) return;
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const mousemove = (e: MouseEvent | TouchEvent) => {
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if (!dishRef.value) return;
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const { left, top, width, height } =
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dishRef.value.getBoundingClientRect();
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const X = e.clientX || (e as TouchEvent).touches[0].clientX;
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const Y = e.clientY || (e as TouchEvent).touches[0].clientY;
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var x = ((X - left) / width) * 100;
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var y = ((Y - top) / height) * 100;
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if (x < 0) x = 0;
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if (x > 100) x = 100;
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if (y < 0) y = 0;
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if (y > 100) y = 100;
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data.left = tofix(x);
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data.top = tofix(y);
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onInput();
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};
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mousemove(e);
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const mouseup = () => {
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onChange();
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document.removeEventListener("mousemove", mousemove);
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document.removeEventListener("touchmove", mousemove);
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document.removeEventListener("mouseup", mouseup);
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document.removeEventListener("touchend", mouseup);
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};
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document.addEventListener("mousemove", mousemove);
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document.addEventListener("touchmove", mousemove);
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document.addEventListener("mouseup", mouseup);
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document.addEventListener("touchend", mouseup);
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};
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const onInput = () => emit("input", { ...data });
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var changeTime: any = null;
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const onChange = () => {
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clearTimeout(changeTime);
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changeTime = setTimeout(() => emit("change", { ...data }), 500);
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};
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// var offsetTime = null;
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// watch(data, (v) => {
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// const obj = { ...v };
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// emit("input", obj);
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// clearTimeout(offsetTime);
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// offsetTime = setTimeout(() => emit("change", obj), 50);
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// });
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// defineExpose({
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// open,
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// close,
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// });
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</script>
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<style scoped lang="less">
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.offset-tool {
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width: 125px;
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height: 125px;
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display: flex;
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position: relative;
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overflow: hidden;
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--gap: 15px;
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> .dish {
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margin: var(--gap) 0 0 var(--gap);
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flex: 1;
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border: 1px solid #000;
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border-radius: 5px;
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cursor: pointer;
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position: relative;
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background-color: #fff;
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> span {
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pointer-events: none;
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user-select: none;
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position: absolute;
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top: 0%;
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left: 0%;
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transform: translate(-50%, -50%);
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width: 8px;
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height: 8px;
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background-color: #000;
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border-radius: 50%;
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}
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}
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> .tip {
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position: absolute;
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right: 4px;
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bottom: 0;
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font-size: 10px;
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pointer-events: none;
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user-select: none;
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color: #666;
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}
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> input.left {
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right: 0;
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}
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> input.top {
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bottom: 0;
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left: 0;
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transform-origin: left bottom;
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transform: rotate(90deg) translateX(-100%);
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}
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> input {
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position: absolute;
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width: calc(100% - var(--gap));
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-webkit-appearance: none;
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appearance: none;
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height: 8px;
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border-radius: 8px;
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background: rgba(0, 0, 0, 0.1); /* 更柔和的颜色 */
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// outline: none;
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&::-webkit-slider-thumb {
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-webkit-appearance: none;
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appearance: none;
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width: 8px;
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height: 8px;
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border-radius: 50%;
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background: #4285f4; /* 蓝色滑块 */
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cursor: pointer;
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transition: all 0.2s;
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box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
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}
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&::-webkit-slider-thumb:hover {
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background: #3b77db;
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transform: scale(1.1);
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}
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}
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}
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</style>
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