feat:2.5.0初始化专注启蒙项目
This commit is contained in:
R524809
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import { SHAPES, ShapeCard } from '../../constants/shapes';
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import { WATER_COLORS, PAPER_SIZE } from '../../constants/colors';
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import ShapeDrawService from '../../service/shapeDrawService';
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import { checkAndSaveImage } from '../../utils/saveImage';
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import { shouldShowShareGuide } from '../../utils/shareGuide';
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import tracker from '../../utils/tracker';
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Page({
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canvas: null as Canvas | null,
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ctx: null as RenderingContext | null,
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boxHeight: 0,
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boxWidth: 0,
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shapeDrawService: null as ShapeDrawService | null,
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timer: null as any,
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data: {
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shapeList: [] as ShapeCard[],
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showSelectShapePopup: false,
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selectedShapeIndex: -1,
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showColorPopup: false,
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currentIndex: 0,
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currentColor: '',
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isPCDevtool: false,
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showShareDialog: false, // 显示分享引导弹窗
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},
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onLoad() {
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// 判断是否在PC端开发工具上运行
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// const systemInfo = wx.getDeviceInfo();
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// if (systemInfo.platform === 'devtools') {
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// this.setData({
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// isPCDevtool: true,
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// });
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// }
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this.refreshShapeCard();
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},
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onReady() {
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const query = wx.createSelectorQuery();
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query
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.select('#canvasWrapper')
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.boundingClientRect((rect) => {
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if (rect) {
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const { width, height } = PAPER_SIZE['A4'];
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const boxWidth = rect.width;
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const boxHeight = boxWidth / (width / height);
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this.boxHeight = boxHeight;
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this.boxWidth = boxWidth;
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this.initCanvas(boxWidth, boxHeight);
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}
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})
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.exec();
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},
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initCanvas(boxWidth: number, boxHeight: number) {
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wx.createSelectorQuery()
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.select('#canvasContent')
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.fields({
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node: true,
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size: true,
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})
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.exec((res) => {
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if (res[0] && res[0].node) {
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const canvas = res[0].node;
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const ctx = canvas.getContext('2d');
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if (ctx) {
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this.canvas = canvas;
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this.ctx = ctx;
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// const rect = res[0];
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this.shapeDrawService = new ShapeDrawService(
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canvas,
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ctx,
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);
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// shapeDrawService.draw();
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this.setData({ boxWidth, boxHeight });
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this.drawCanvas();
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}
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}
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});
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},
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/** 变更shapeList 并更新canvas */
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drawCanvas(
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updatedShapeList?: ShapeCard[],
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callback: () => void = () => {},
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) {
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if (updatedShapeList) {
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this.setData({ shapeList: updatedShapeList }, () => {
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this.shapeDrawService?.draw(updatedShapeList!);
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callback();
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});
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} else {
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const shapeList = this.data.shapeList;
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this.shapeDrawService?.draw(shapeList);
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}
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},
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handleSelectShape() {
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this.setData({
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showSelectShapePopup: true,
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selectedShapeIndex: -1,
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});
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},
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openSelectShapePopup(e: any) {
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const { index } = e.detail;
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this.setData({
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showSelectShapePopup: true,
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selectedShapeIndex: index,
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});
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},
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closeSelectShapePopup() {
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this.setData({
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showSelectShapePopup: false,
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});
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},
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onChangeShape(e: any) {
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const { shapes, singleMode, selectedShapeIndex } = e.detail;
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const prevShapeList: ShapeCard[] = this.data.shapeList || [];
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let newShapeList: ShapeCard[] = [];
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if (singleMode) {
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// 单选模式，只替换 selectedShapeIndex 对应的 shape，其他 shape 保持不变和原有颜色
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newShapeList = prevShapeList.map((item, idx) => {
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if (idx === selectedShapeIndex) {
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// 替换为新选中的 shape，保留原有 fillColor
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return {
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...shapes[0],
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fillColor: item.fillColor,
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};
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} else {
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// 其他 shape 不变
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return item;
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}
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});
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} else {
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// 多选模式，原有逻辑
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// 获取所有可用颜色
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const colorList = WATER_COLORS.basic12.map((item) => item.hex);
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// 记录已被使用的颜色（只考虑当前 shapeList 中的 fillColor）
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const usedColors = prevShapeList
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.map((item) => item.fillColor)
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.filter(Boolean);
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// 记录已分配的颜色，避免重复
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const assignedColors = [...usedColors];
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// 先将 shapes 转为 Map，方便查找
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const prevShapeMap = new Map(
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prevShapeList.map((item) => [item.id, item]),
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);
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// 随机打乱剩余可用颜色
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function shuffle(arr: string[]) {
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for (let i = arr.length - 1; i > 0; i--) {
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const j = Math.floor(Math.random() * (i + 1));
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[arr[i], arr[j]] = [arr[j], arr[i]];
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}
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return arr;
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}
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// 计算未被占用的颜色
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let availableColors = colorList.filter(
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(color) => !assignedColors.includes(color),
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);
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availableColors = shuffle(availableColors);
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shapes.forEach((item: ShapeCard) => {
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if (prevShapeMap.has(item.id)) {
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// 已存在，保留原有 fillColor
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newShapeList.push({
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...item,
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fillColor: prevShapeMap.get(item.id)!.fillColor,
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});
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} else {
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// 新增，分配未被占用的颜色
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const color = availableColors.shift() || colorList[0];
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assignedColors.push(color);
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newShapeList.push({
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...item,
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fillColor: color,
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});
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}
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});
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}
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// 先关闭弹窗
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this.setData(
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{
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showSelectShapePopup: false,
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shapeList: newShapeList,
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},
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() => {
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this.drawCanvas();
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},
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);
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},
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/**
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* 随机生成6个图形
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*/
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refreshShapeCard() {
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// 随机取6个图形
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const shapesCopy = [...SHAPES];
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for (let i = shapesCopy.length - 1; i > 0; i--) {
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const j = Math.floor(Math.random() * (i + 1));
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[shapesCopy[i], shapesCopy[j]] = [shapesCopy[j], shapesCopy[i]];
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}
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const selectedShapes = shapesCopy.slice(0, 6);
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// 随机取6个颜色
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const colorList = WATER_COLORS.basic12.map((item) => item.hex);
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const colorsCopy = [...colorList];
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for (let i = colorsCopy.length - 1; i > 0; i--) {
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const j = Math.floor(Math.random() * (i + 1));
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[colorsCopy[i], colorsCopy[j]] = [colorsCopy[j], colorsCopy[i]];
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}
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const selectedColors = colorsCopy.slice(0, 6);
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// 分配颜色到图形
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const shapeList = selectedShapes.map((shape, idx) => ({
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...shape,
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fillColor: selectedColors[idx],
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}));
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// 更新数据
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this.setData(
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{
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shapeList,
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},
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() => {
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// 绘制canvas
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this.drawCanvas();
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},
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);
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},
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onDelete(e: any) {
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const { index } = e.detail;
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const newShapeList = this.data.shapeList.filter((_, i) => i !== index);
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this.setData(
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{
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shapeList: newShapeList,
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},
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() => {
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// 绘制canvas
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this.drawCanvas();
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},
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);
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},
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onColorTap(e: any) {
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const { index, fillColor } = e.detail;
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this.setData({
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showColorPopup: true,
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currentColor: fillColor,
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selectedShapeIndex: index,
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});
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},
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onCloseColorPopup() {
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this.setData({
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showColorPopup: false,
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currentColor: '',
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selectedShapeIndex: 0,
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});
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},
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onChangeColor(e: any) {
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const { color } = e.detail;
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const { selectedShapeIndex } = this.data;
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this.setData(
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{
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showColorPopup: false,
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[`shapeList[${selectedShapeIndex}].fillColor`]: color,
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},
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() => {
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// 绘制canvas
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this.drawCanvas();
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},
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);
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},
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/** 下载打印 */
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exportToPrint() {
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if (!this.canvas || this.data.shapeList.length <= 0) {
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return;
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}
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// 检查是否需要显示分享引导
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if (shouldShowShareGuide()) {
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this.setData({ showShareDialog: true });
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return;
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}
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// 上报下载埋点
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tracker.reportDownload('图形涂色');
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// 直接下载
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checkAndSaveImage(this.canvas);
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},
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/** 关闭分享引导弹窗 */
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onCloseShareDialog() {
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this.setData({ showShareDialog: false });
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},
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onShareAppMessage() {
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// 上报分享埋点
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tracker.reportShare('图形涂色');
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return {
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title: '涂鸦丫-涂色|识字|图形|打印',
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path: '/pages/shape/index',
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imageUrl:
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'https://cdn.joeyone.cn/doodle/share-img/index-share-v2.png',
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};
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},
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onShareTimeline() {
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// 上报分享埋点
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tracker.reportShare('图形涂色');
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return {
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title: '涂鸦丫-涂色|识字|图形|打印',
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query: '/pages/shape/index',
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imageUrl:
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'https://cdn.joeyone.cn/doodle/share-img/index-share-v2.png',
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};
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},
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/** 分享成功回调（由组件触发） */
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onShareSuccess() {
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// 只关闭弹窗，不触发下载
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this.setData({ showShareDialog: false });
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},
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onUnload() {
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if (this.timer) {
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clearTimeout(this.timer);
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}
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},
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});
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