接入画布
This commit is contained in:
X1627315083
525
src/component/Canvas/CanvasEditor/components/HeaderMenu.vue
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525
src/component/Canvas/CanvasEditor/components/HeaderMenu.vue
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<script setup>
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import {
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inject,
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ref,
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provide,
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onMounted,
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computed,
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watch,
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onUnmounted,
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} from "vue";
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import { OperationType } from "../utils/layerHelper";
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import BrushPanel from "./BrushPanel.vue";
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import { BrushStore } from "../store/BrushStore";
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// 提供brushStore给子组件
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provide("brushStore", BrushStore);
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const toolManager = inject("toolManager");
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const layerManager = inject("layerManager");
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const props = defineProps({
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activeTool: String,
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canvasWidth: Number,
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canvasHeight: Number,
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canvasColor: String,
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brushSize: Number,
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});
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const emit = defineEmits([
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"update:canvasWidth",
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"update:canvasHeight",
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"update:canvasColor",
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"update:brushSize",
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"canvas-size-change",
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"canvas-color-change",
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]);
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// 笔刷面板相关状态
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const showBrushPanel = ref(false);
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const brushPanelRef = ref(null);
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// 计算属性
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const shouldShowBrushSettings = computed(() => {
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return props.activeTool === OperationType.DRAW;
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});
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function updateCanvasSize() {
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if (!layerManager) {
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console.warn("LayerManager 未初始化，无法调整背景层尺寸");
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return;
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}
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// 检查画布上是否有除了背景层的其他元素
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const hasOtherElements = layerManager.layers.value.some((layer) => {
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if (layer.isBackground) return false;
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// 检查普通图层是否有对象
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if (layer.fabricObjects && layer.fabricObjects.length > 0) return true;
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// 检查固定图层是否有对象
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if (layer.isFixed && layer.fabricObjects && layer.fabricObjects.length > 0)
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return true;
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return false;
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});
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if (hasOtherElements) {
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// 有其他元素时使用等比缩放命令
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layerManager.resizeCanvasWithScale(props.canvasWidth, props.canvasHeight);
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} else {
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// 只有背景层时使用普通调整命令
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layerManager.resizeCanvas(props.canvasWidth, props.canvasHeight);
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}
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emit("canvas-size-change");
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}
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function updateCanvasColor() {
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if (!layerManager) {
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console.warn("LayerManager 未初始化，无法更改背景色");
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return;
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}
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// 更新背景层颜色而不是画布颜色
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layerManager.updateBackgroundColor(props.canvasColor);
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emit("canvas-color-change");
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}
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// 切换笔刷面板显示状态
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function toggleBrushPanel() {
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showBrushPanel.value = !showBrushPanel.value;
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}
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// 处理笔刷大小变化
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function handleBrushSizeChange(event) {
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const newSize = parseFloat(event.target.value);
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emit("update:brushSize", newSize);
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}
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// 处理笔刷设置变化，将BrushStore的数据同步到brushManager
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function syncBrushStoreToManager() {
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if (!toolManager?.brushManager) return;
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const brushManager = toolManager.brushManager;
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// 检查画笔是否正在更新中
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if (brushManager.isUpdatingBrush) {
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console.warn("画笔正在更新中，请稍候...");
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// 延迟重试，确保在画笔更新完成后应用最新设置
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setTimeout(syncBrushStoreToManager, 100);
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return;
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}
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// 监听BrushStore的变化，更新brushManager
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const size = BrushStore.state.size;
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const color = BrushStore.state.color;
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const type = BrushStore.state.type;
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const opacity = BrushStore.state.opacity;
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const textureEnabled = BrushStore.state.textureEnabled;
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const texturePath = BrushStore.state.texturePath;
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const textureScale = BrushStore.state.textureScale;
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// 将所有更改一次性应用，减少updateBrush调用次数
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let needsUpdate = false;
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if (
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brushManager.brushSize &&
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typeof brushManager.setBrushSize === "function" &&
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brushManager.getBrushSize() !== size
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) {
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brushManager.brushSize.value = size; // 直接设置值，避免触发updateBrush
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needsUpdate = true;
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}
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if (
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brushManager.brushColor &&
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typeof brushManager.setBrushColor === "function" &&
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brushManager.getBrushColor() !== color
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) {
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brushManager.brushColor.value = color; // 直接设置值，避免触发updateBrush
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needsUpdate = true;
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}
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if (
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typeof brushManager.setBrushType === "function" &&
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brushManager.getCurrentBrushType() !== type
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) {
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brushManager.setBrushType(type);
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needsUpdate = true;
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}
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if (typeof brushManager.setBrushOpacity === "function") {
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brushManager.setBrushOpacity(opacity);
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needsUpdate = true;
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}
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// 同步材质相关设置
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if (textureEnabled && texturePath) {
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if (typeof brushManager.setTexturePath === "function") {
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brushManager.setTexturePath(texturePath);
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needsUpdate = true;
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}
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if (
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typeof brushManager.setTextureScale === "function" &&
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brushManager.getTextureScale() !== textureScale
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) {
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brushManager.textureScale.value = textureScale; // 直接设置值，避免触发updateBrush
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needsUpdate = true;
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}
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}
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// 只在有变化时调用一次updateBrush，减少重绘次数
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if (needsUpdate && typeof brushManager.updateBrush === "function") {
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brushManager.updateBrush();
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}
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}
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// 点击外部时关闭笔刷面板
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function handleClickOutside(event) {
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if (
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showBrushPanel.value &&
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brushPanelRef.value &&
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!brushPanelRef.value.contains(event.target) &&
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!event.target.closest(".brush-selector")
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) {
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showBrushPanel.value = false;
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}
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}
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onMounted(() => {
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// 获取工具管理器和笔刷管理器
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const brushManager = toolManager?.brushManager;
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// 设置初始的可用笔刷类型
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if (brushManager) {
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const availableBrushes = brushManager.getBrushTypes();
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BrushStore.setAvailableBrushes(availableBrushes);
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// 初始化BrushStore与brushManager的数据同步
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BrushStore.setBrushSize(brushManager.brushSize?.value || 5);
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BrushStore.setBrushColor(brushManager.brushColor?.value || "#000000");
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BrushStore.setBrushType(brushManager.getCurrentBrushType() || "pencil");
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}
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// 添加点击外部关闭面板的事件监听
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document.addEventListener("mousedown", handleClickOutside);
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// 监听BrushStore的变化，同步到brushManager
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const unwatch = watch(
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() => [
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BrushStore.state.size,
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BrushStore.state.color,
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BrushStore.state.type,
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BrushStore.state.opacity,
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BrushStore.state.textureEnabled,
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BrushStore.state.texturePath,
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BrushStore.state.textureScale,
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],
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syncBrushStoreToManager,
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{ deep: true }
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);
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// 组件卸载时移除事件监听
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onUnmounted(() => {
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document.removeEventListener("mousedown", handleClickOutside);
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unwatch();
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});
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});
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</script>
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<template>
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<div class="canvas-header">
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<span class="canvas-title">Canvas</span>
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<!-- 默认设置 -->
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<div
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v-if="
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!activeTool ||
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activeTool === OperationType.SELECT ||
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activeTool === OperationType.PAN
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"
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class="canvas-settings"
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>
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<div class="setting-group">
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<span class="setting-label">Width</span>
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<input
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type="text"
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:value="canvasWidth"
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class="setting-input"
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@input="$emit('update:canvasWidth', Number($event.target.value))"
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@change="updateCanvasSize"
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/>
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</div>
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<div class="setting-group">
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<span class="setting-label">Height</span>
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<input
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type="text"
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:value="canvasHeight"
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class="setting-input"
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@input="$emit('update:canvasHeight', Number($event.target.value))"
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@change="updateCanvasSize"
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/>
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</div>
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<div class="setting-group">
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<span class="setting-label">Color</span>
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<div class="color-picker-wrapper">
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<input
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type="color"
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:value="canvasColor"
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class="color-picker"
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@input="$emit('update:canvasColor', $event.target.value)"
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@change="updateCanvasColor"
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/>
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<span class="color-dropdown">▼</span>
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</div>
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</div>
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</div>
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<!-- 绘图工具设置 -->
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<div v-if="shouldShowBrushSettings" class="canvas-settings">
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<!-- 简化的笔刷控制UI -->
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<!-- <div class="setting-group">
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<span class="setting-label">大小:</span>
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<input
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type="range"
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:value="BrushStore.state.size"
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min="0.5"
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max="100"
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step="0.5"
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class="size-slider"
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@input="handleBrushSizeChange"
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/>
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<span class="size-value">{{ BrushStore.state.size }}px</span>
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</div> -->
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<div class="setting-group">
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<span class="setting-label">笔刷:</span>
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<div class="brush-selector" @click="toggleBrushPanel">
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<div
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class="brush-preview"
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:style="{
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backgroundColor: BrushStore.state.color,
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height: BrushStore.state.type === 'marker' ? '4px' : '2px',
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opacity: BrushStore.state.opacity,
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}"
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></div>
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<span class="brush-dropdown">▼</span>
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</div>
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<!-- 笔刷面板 -->
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<div
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v-if="showBrushPanel"
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class="brush-panel-container"
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ref="brushPanelRef"
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>
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<BrushPanel />
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</div>
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</div>
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<div class="setting-group">
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<span class="setting-label">颜色:</span>
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<div class="color-picker-wrapper">
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<input
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type="color"
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:value="BrushStore.state.color"
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class="color-picker"
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@input="BrushStore.setBrushColor($event.target.value)"
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/>
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<span class="color-dropdown">▼</span>
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</div>
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</div>
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</div>
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<!-- 文本工具设置 -->
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<div v-if="activeTool === OperationType.TEXT" class="canvas-settings">
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<div class="setting-group">
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<span class="setting-label">Font:</span>
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<select class="font-select">
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<option value="Arial">Arial</option>
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<option value="Times New Roman">Times New Roman</option>
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<option value="Courier New">Courier New</option>
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</select>
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</div>
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<div class="setting-group">
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<span class="setting-label">Size:</span>
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<input
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type="number"
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class="setting-input"
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value="16"
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min="8"
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max="72"
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/>
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</div>
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<div class="setting-group">
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<span class="setting-label">Color:</span>
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<div class="color-picker-wrapper">
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<input type="color" class="color-picker" value="#000000" />
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<span class="color-dropdown">▼</span>
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</div>
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</div>
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</div>
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<!-- 上传工具设置 -->
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<div v-if="activeTool === OperationType.UPLOAD" class="canvas-settings">
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<div class="setting-group">
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<span class="setting-label">Upload Type:</span>
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<select class="setting-select">
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<option value="image">Image</option>
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<option value="vector">Vector Graphics</option>
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</select>
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</div>
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</div>
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<!-- 导出设置 -->
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<div class="setting-group export-group">
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<span class="export-model-select">exportModel.select:</span>
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<span class="export-model-dropdown">▼</span>
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</div>
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</div>
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</template>
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<style scoped>
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.canvas-header {
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display: flex;
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align-items: center;
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padding: 10px 20px;
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border-bottom: 1px solid #e0e0e0;
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user-select: none;
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}
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.canvas-title {
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font-size: 16px;
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font-weight: 500;
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margin-right: 30px;
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display: flex;
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align-items: center;
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}
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.canvas-title::before {
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content: "⟳";
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margin-right: 5px;
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font-size: 14px;
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}
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.canvas-settings {
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display: flex;
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align-items: center;
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gap: 15px;
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flex: 1;
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}
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.setting-group {
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display: flex;
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align-items: center;
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gap: 5px;
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position: relative;
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}
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.setting-label {
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font-size: 14px;
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color: #333;
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}
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.setting-input {
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width: 60px;
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padding: 4px 8px;
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border: 1px solid #ddd;
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border-radius: 4px;
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font-size: 14px;
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}
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.setting-select {
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padding: 4px 8px;
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border: 1px solid #ddd;
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border-radius: 4px;
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font-size: 14px;
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}
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.font-select {
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width: 150px;
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padding: 4px 8px;
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border: 1px solid #ddd;
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border-radius: 4px;
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font-size: 14px;
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}
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.color-picker-wrapper {
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position: relative;
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display: flex;
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align-items: center;
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}
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.color-picker {
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width: 30px;
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height: 30px;
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border: none;
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padding: 0;
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background: none;
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cursor: pointer;
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}
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.color-dropdown {
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font-size: 10px;
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margin-left: 5px;
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color: #666;
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}
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.size-slider {
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width: 100px;
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cursor: pointer;
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}
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.size-value {
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font-size: 12px;
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color: #666;
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min-width: 30px;
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}
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.brush-selector {
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display: flex;
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align-items: center;
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border: 1px solid #ddd;
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border-radius: 4px;
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padding: 5px;
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cursor: pointer;
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background-color: white;
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width: 80px;
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justify-content: space-between;
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}
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.brush-preview {
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width: 20px;
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height: 2px;
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background-color: #000;
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border-radius: 1px;
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}
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.brush-dropdown,
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.export-model-dropdown {
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font-size: 10px;
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margin-left: 5px;
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color: #666;
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}
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.export-model-select {
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font-size: 14px;
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color: #333;
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cursor: pointer;
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}
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.export-group {
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margin-left: auto;
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}
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/* 笔刷面板 */
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.brush-panel-container {
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position: absolute;
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top: calc(100% + 5px);
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left: 0;
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z-index: 1000;
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width: 600px;
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box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
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border-radius: 4px;
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overflow: hidden;
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}
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</style>
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Reference in New Issue
Block a user