feat: 字母描红页样式开发基本完成
This commit is contained in:
@@ -1,531 +0,0 @@
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import { PAPER_SIZE } from '../constants/colors';
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import { drawBaseHeader, drawBaseMiniHeader } from './baseHeaderDraw';
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/**
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* 基础绘制服务
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* 包含Paper设置和Header绘制功能,可被所有绘制服务复用
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*
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* 提供功能:
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* - Canvas 初始化和配置
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* - Paper 尺寸设置(支持 A4 等标准尺寸)
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* - Header 绘制(支持完整 Header 和迷你 Header)
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* - 分割线绘制
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* - 打印配置管理
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*/
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export class BaseDrawService {
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headerType: PrintHeader = 'wechat';
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canvas: WechatMiniprogram.Canvas;
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ctx: RenderingContext;
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options: Record<string, any>;
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paperSize: PaperSize;
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currentX: number;
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currentY: number;
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canvasWidth: number; // 逻辑像素宽度
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canvasHeight: number; // 逻辑像素高度
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constructor(
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canvas: Canvas,
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ctx: RenderingContext,
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options?: Record<string, any>,
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) {
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options = options || {};
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const { appName, appHint } = getApp().getPrintConfig();
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this.canvas = canvas;
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this.ctx = ctx;
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this.paperSize = 'A4';
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this.options = {
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appName,
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appHint,
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title: '看数字,涂一涂',
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subTitle: '找一找下面相同的数字,涂上颜色',
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...options,
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};
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this.currentX = 0;
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this.currentY = 0;
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this.canvasWidth = 0;
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this.canvasHeight = 0;
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this.setPrintConfig();
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}
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setPrintConfig() {
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const printConfig = getApp().getPrintConfig();
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this.headerType = printConfig.header;
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this.options.appName = printConfig.appName;
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}
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/**
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* 设置Paper(逻辑像素,尺寸除以3)
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*/
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setPaper() {
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const { ctx, canvas } = this;
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const { pixelRatio: dpr } = wx.getWindowInfo();
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let { width, height } = PAPER_SIZE[this.paperSize];
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this.canvasWidth = width;
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this.canvasHeight = height;
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// 设置 canvas 为物理像素尺寸(用于高分辨率显示)
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const physicalWidth = width * dpr;
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const physicalHeight = height * dpr;
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canvas.width = physicalWidth;
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canvas.height = physicalHeight;
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// 重置 transform 并 scale 到逻辑像素
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ctx.setTransform(1, 0, 0, 1, 0, 0); // 重置 transform
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ctx.scale(dpr, dpr); // scale 到逻辑像素,后续绘制都使用逻辑像素
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this.clear();
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ctx.fillStyle = '#fff';
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// 使用逻辑像素尺寸填充
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ctx.fillRect(0, 0, this.canvasWidth, this.canvasHeight);
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}
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/**
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* 清除画布
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*/
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clear() {
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const canvas = this.canvas;
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this.ctx.clearRect(0, 0, canvas.width, canvas.height);
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}
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/**
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* 绘制Header(逻辑像素,尺寸除以3)
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*/
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async drawHeader() {
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this.currentX = 25;
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this.currentY = 25;
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await drawBaseHeader({
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canvas: this.canvas,
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ctx: this.ctx,
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headerType: this.headerType,
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options: {
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appName: this.options.appName || '涂鸦丫小程序',
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appHint: this.options.appHint || '识字|识图|练字|打印',
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title: this.options.title || '看数字,涂一涂',
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subTitle:
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this.options.subTitle || '找一找下面相同的数字,涂上颜色',
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},
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onHeaderDrawn: (currentY) => {
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this.currentY = currentY;
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},
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});
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}
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/**
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* 绘制迷你Header(逻辑像素,尺寸除以3)
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*/
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drawMiniHeader() {
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drawBaseMiniHeader({
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ctx: this.ctx,
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canvasWidth: this.canvasWidth,
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options: {
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appName: this.options.appName || '涂鸦丫小程序',
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title: this.options.title || '看数字,涂一涂',
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},
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onHeaderDrawn: (currentY) => {
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console.log('drawMiniHeader currentY', currentY);
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this.currentY = currentY;
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},
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});
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}
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/**
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* 绘制分割线(逻辑像素,尺寸除以3)
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*/
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drawDivider() {
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const { ctx, canvasWidth } = this;
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const dividerY = this.currentY;
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ctx.strokeStyle = '#000';
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ctx.lineWidth = 1;
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ctx.beginPath();
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ctx.moveTo(24, dividerY);
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ctx.lineTo(canvasWidth - 24, dividerY);
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ctx.stroke();
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this.currentY = dividerY + 10; // 分割线下方10px间距
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}
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/**
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* 绘制虚线分割线(逻辑像素,尺寸除以3)
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* @param y 分割线的Y坐标
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* @param margin 左右边距,默认为40
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* @param color 线条颜色,默认为'#999'
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* @param lineWidth 线条宽度,默认为1
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*/
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drawDashedDivider(
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y: number,
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margin: number = 40,
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color: string = '#999',
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lineWidth: number = 1,
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) {
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const { ctx, canvasWidth } = this;
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ctx.strokeStyle = color;
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ctx.lineWidth = lineWidth;
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ctx.setLineDash([4, 4]); // 虚线
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ctx.beginPath();
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ctx.moveTo(margin, y);
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ctx.lineTo(canvasWidth - margin, y);
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ctx.stroke();
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ctx.setLineDash([]); // 重置为实线
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}
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/**
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* 绘制线条(逻辑像素,尺寸除以3)
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* @param x1 起点X坐标
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* @param y1 起点Y坐标
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* @param x2 终点X坐标
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* @param y2 终点Y坐标
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* @param options 可选参数
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* @param options.isDashed 是否为虚线,默认为true(虚线)
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* @param options.dashPattern 虚线模式,默认为[4, 4]
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* @param options.color 线条颜色,默认为'#999'
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* @param options.lineWidth 线条宽度,默认为1
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*/
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drawLine(
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x1: number,
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y1: number,
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x2: number,
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y2: number,
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options?: {
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isDashed?: boolean;
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dashPattern?: number[];
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color?: string;
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lineWidth?: number;
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},
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): void {
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const { ctx } = this;
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const {
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isDashed = true,
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dashPattern = [4, 4],
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color = '#999',
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lineWidth = 1,
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} = options || {};
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ctx.strokeStyle = color;
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ctx.lineWidth = lineWidth;
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// 设置虚线或实线
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if (isDashed) {
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ctx.setLineDash(dashPattern);
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} else {
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ctx.setLineDash([]);
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}
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// 绘制线条
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ctx.beginPath();
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ctx.moveTo(x1, y1);
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ctx.lineTo(x2, y2);
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ctx.stroke();
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// 重置为实线(避免影响后续绘制)
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ctx.setLineDash([]);
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}
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/**
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* 绘制网格线(逻辑像素,尺寸除以3)
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* @param gridStartX 网格起始X坐标
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* @param gridStartY 网格起始Y坐标
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* @param cellWidth 每个格子的宽度
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* @param cellHeight 每个格子的高度
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* @param cols 列数
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* @param rows 行数
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*/
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drawGridLines(
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gridStartX: number,
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gridStartY: number,
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cellWidth: number,
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cellHeight: number,
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cols: number,
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rows: number,
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): void {
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const { ctx } = this;
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// 在函数内部计算网格总宽度和高度
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const gridWidth = cellWidth * cols;
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const gridHeight = cellHeight * rows;
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ctx.strokeStyle = '#000';
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ctx.lineWidth = 1;
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ctx.setLineDash([]); // 实线
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// 绘制垂直线
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for (let i = 0; i <= cols; i++) {
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const x = gridStartX + i * cellWidth;
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ctx.beginPath();
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ctx.moveTo(x, gridStartY);
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ctx.lineTo(x, gridStartY + gridHeight);
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ctx.stroke();
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}
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// 绘制水平线
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for (let i = 0; i <= rows; i++) {
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const y = gridStartY + i * cellHeight;
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ctx.beginPath();
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ctx.moveTo(gridStartX, y);
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ctx.lineTo(gridStartX + gridWidth, y);
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ctx.stroke();
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}
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}
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/**
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* 绘制圆角矩形框(逻辑像素,尺寸除以3)
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* @param x 框的X坐标
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* @param y 框的Y坐标
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* @param width 框的宽度
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* @param height 框的高度
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* @param options 可选参数
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* @param options.isDashed 是否为虚线,默认为false(实线)
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* @param options.radius 圆角半径,默认为10
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* @param options.color 线条颜色,默认为'#000'
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* @param options.lineWidth 线条宽度,默认为1
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*/
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drawRoundedRect(
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x: number,
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y: number,
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width: number,
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height: number,
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options?: {
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isDashed?: boolean;
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radius?: number;
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color?: string;
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lineWidth?: number;
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},
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): void {
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const { ctx } = this;
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const {
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isDashed = false,
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radius = 10,
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color = '#000',
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lineWidth = 1,
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} = options || {};
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ctx.strokeStyle = color;
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ctx.lineWidth = lineWidth;
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// 设置虚线或实线
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if (isDashed) {
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ctx.setLineDash([4, 4]); // 虚线
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} else {
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ctx.setLineDash([]); // 实线
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}
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// 绘制圆角矩形
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ctx.beginPath();
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ctx.moveTo(x + radius, y);
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ctx.lineTo(x + width - radius, y);
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ctx.quadraticCurveTo(x + width, y, x + width, y + radius);
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ctx.lineTo(x + width, y + height - radius);
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ctx.quadraticCurveTo(
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x + width,
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y + height,
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x + width - radius,
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y + height,
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);
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ctx.lineTo(x + radius, y + height);
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ctx.quadraticCurveTo(x, y + height, x, y + height - radius);
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ctx.lineTo(x, y + radius);
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ctx.quadraticCurveTo(x, y, x + radius, y);
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ctx.closePath();
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ctx.stroke();
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// 重置为实线(避免影响后续绘制)
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ctx.setLineDash([]);
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}
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/**
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* 绘制符号(使用路径绘制)
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* @param x 符号中心X坐标
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* @param y 符号中心Y坐标
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* @param symbol 符号类型:'+', '-', '=', '×', '✓'
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* @param size 符号大小
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*/
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drawSymbol(x: number, y: number, symbol: string, size: number): void {
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const { ctx } = this;
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ctx.save();
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ctx.translate(x, y);
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const lineWidth = size * 0.15; // 线条宽度
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const halfSize = size / 2;
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const strokeLength = halfSize * 0.7; // 线条长度
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ctx.strokeStyle = '#000';
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ctx.lineWidth = lineWidth;
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ctx.lineCap = 'round';
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ctx.lineJoin = 'round';
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switch (symbol) {
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case '+':
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// 加号:横线和竖线
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ctx.beginPath();
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// 横线
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ctx.moveTo(-strokeLength, 0);
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ctx.lineTo(strokeLength, 0);
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// 竖线
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ctx.moveTo(0, -strokeLength);
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ctx.lineTo(0, strokeLength);
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ctx.stroke();
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break;
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case '-':
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// 减号:横线
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ctx.beginPath();
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ctx.moveTo(-strokeLength, 0);
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ctx.lineTo(strokeLength, 0);
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ctx.stroke();
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break;
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case '=':
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// 等号:两条横线
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const equalsSpacing = size * 0.15; // 两条线之间的间距
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ctx.beginPath();
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// 上横线
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ctx.moveTo(-strokeLength, -equalsSpacing);
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ctx.lineTo(strokeLength, -equalsSpacing);
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// 下横线
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ctx.moveTo(-strokeLength, equalsSpacing);
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ctx.lineTo(strokeLength, equalsSpacing);
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ctx.stroke();
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break;
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case '×':
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// 乘号:两条斜线
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ctx.beginPath();
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// 左上到右下
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ctx.moveTo(-strokeLength * 0.7, -strokeLength * 0.7);
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ctx.lineTo(strokeLength * 0.7, strokeLength * 0.7);
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// 右上到左下
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ctx.moveTo(strokeLength * 0.7, -strokeLength * 0.7);
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ctx.lineTo(-strokeLength * 0.7, strokeLength * 0.7);
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ctx.stroke();
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break;
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case '✓':
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// 对号:勾,整体更大,右侧的线更长
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const checkScale = 1.2; // 对号整体放大1.2倍
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ctx.beginPath();
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const checkStartX = -strokeLength * 0.5 * checkScale;
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const checkStartY = -strokeLength * 0.2 * checkScale;
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const checkMidX = -strokeLength * 0.1 * checkScale;
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const checkMidY = strokeLength * 0.3 * checkScale;
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const checkEndX = strokeLength * 1.0 * checkScale; // 增加右侧长度
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const checkEndY = -strokeLength * 0.4 * checkScale; // 稍微向上调整
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ctx.moveTo(checkStartX, checkStartY);
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ctx.lineTo(checkMidX, checkMidY);
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ctx.lineTo(checkEndX, checkEndY);
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ctx.stroke();
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break;
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default:
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// 默认绘制加号
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ctx.beginPath();
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ctx.moveTo(-strokeLength, 0);
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ctx.lineTo(strokeLength, 0);
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ctx.moveTo(0, -strokeLength);
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ctx.lineTo(0, strokeLength);
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ctx.stroke();
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}
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ctx.restore();
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}
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/**
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* 绘制圆点
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* @param ctx 绘制上下文
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* @param x 圆点中心X坐标
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* @param y 圆点中心Y坐标
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* @param radius 圆点半径
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* @param fillColor 填充颜色,默认为 '#93D333'
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* @param strokeColor 边线颜色,如果传入则绘制边线,宽度为1,默认不绘制
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*/
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drawDot(
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ctx: RenderingContext,
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x: number,
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y: number,
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radius: number,
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fillColor?: string,
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strokeColor?: string,
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) {
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ctx.beginPath();
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ctx.arc(x, y, radius, 0, Math.PI * 2);
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// 绘制填充
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ctx.fillStyle = fillColor ?? '#93D333';
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ctx.fill();
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// 绘制边线(如果提供了边线颜色)
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if (strokeColor) {
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ctx.strokeStyle = strokeColor;
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ctx.lineWidth = 1;
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ctx.stroke();
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}
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}
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/**
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* 准备绘制(公共初始化逻辑)
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* 执行:setPrintConfig -> clear -> setPaper
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* 子类可以在调用此方法前后执行自定义逻辑(如数据验证、异步资源加载等)
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*/
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prepareDraw() {
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this.setPrintConfig();
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this.clear();
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this.setPaper();
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}
|
||||
|
||||
/**
|
||||
* 绘制 Header 和 Divider(公共绘制逻辑)
|
||||
* 根据 headerType 自动选择绘制完整 Header 或迷你 Header,然后绘制分割线
|
||||
*/
|
||||
async drawHeaderAndDivider() {
|
||||
// 绘制Header
|
||||
if (this.headerType !== 'minimal') {
|
||||
await this.drawHeader();
|
||||
} else {
|
||||
this.drawMiniHeader();
|
||||
}
|
||||
|
||||
// 绘制内容区域分割线
|
||||
this.drawDivider();
|
||||
}
|
||||
|
||||
/**
|
||||
* 绘制空白方框(边框1px,#999,无填充,不显示数字)
|
||||
*/
|
||||
drawBox(
|
||||
ctx: RenderingContext,
|
||||
x: number,
|
||||
y: number,
|
||||
width: number,
|
||||
height: number,
|
||||
color: string = '#999',
|
||||
lineWidth: number = 1,
|
||||
) {
|
||||
// 绘制方框边框(1px,#999,无填充)
|
||||
ctx.strokeStyle = color;
|
||||
ctx.lineWidth = lineWidth;
|
||||
ctx.setLineDash([]);
|
||||
ctx.strokeRect(x, y, width, height);
|
||||
}
|
||||
|
||||
/**
|
||||
* 绘制正方形方框(调用drawBox,减少参数)
|
||||
* @param ctx 渲染上下文
|
||||
* @param x 方框左上角x
|
||||
* @param y 方框左上角y
|
||||
* @param size 方框边长
|
||||
* @param color 边框颜色(可选,默认为#999)
|
||||
* @param lineWidth 线宽(可选,默认为1)
|
||||
*/
|
||||
drawSquareBox(
|
||||
ctx: RenderingContext,
|
||||
x: number,
|
||||
y: number,
|
||||
size: number,
|
||||
color: string = '#999',
|
||||
lineWidth: number = 1,
|
||||
) {
|
||||
this.drawBox(ctx, x, y, size, size, color, lineWidth);
|
||||
}
|
||||
}
|
||||
@@ -1,129 +0,0 @@
|
||||
import { getMiniCodeImage, getImage } from '../utils/index';
|
||||
|
||||
/**
|
||||
* 绘制数学模块页眉的参数接口(尺寸除以3)
|
||||
*/
|
||||
interface drawBaseHeaderParams {
|
||||
canvas: WechatMiniprogram.Canvas;
|
||||
ctx: RenderingContext;
|
||||
headerType: PrintHeader;
|
||||
options: {
|
||||
appName: string;
|
||||
appHint: string;
|
||||
title: string;
|
||||
subTitle: string;
|
||||
};
|
||||
onHeaderDrawn?: (currentY: number) => void;
|
||||
}
|
||||
|
||||
/**
|
||||
* 绘制数学模块完整页眉(尺寸除以3)
|
||||
*/
|
||||
export async function drawBaseHeader({
|
||||
canvas,
|
||||
ctx,
|
||||
headerType,
|
||||
options,
|
||||
onHeaderDrawn,
|
||||
}: drawBaseHeaderParams): Promise<void> {
|
||||
const { appName, appHint, title, subTitle } = options;
|
||||
|
||||
let titleX = 108; // 约109.33
|
||||
const titleY = 25; // 约26.67
|
||||
|
||||
const logoX = 24; // 约26.67
|
||||
const logoY = 20; // 20
|
||||
const logoWidth = 65; // 约66.67
|
||||
const logoHeight = 65; // 约66.67
|
||||
|
||||
// 根据 headerType 绘制 Logo 或调整标题位置
|
||||
switch (headerType) {
|
||||
case 'LogoImage': {
|
||||
const image = await getImage(
|
||||
canvas,
|
||||
'/assets/imgs/doodle-logo.png',
|
||||
);
|
||||
ctx.drawImage(image, logoX, logoY, logoWidth, logoHeight);
|
||||
break;
|
||||
}
|
||||
case 'noLogoImage': {
|
||||
titleX = 40;
|
||||
break;
|
||||
}
|
||||
case 'minimal': {
|
||||
titleX = 40;
|
||||
break;
|
||||
}
|
||||
default: {
|
||||
const image = await getMiniCodeImage(canvas);
|
||||
ctx.drawImage(image, logoX, logoY, logoWidth, logoHeight);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
// 绘制应用名称(字体大小除以3)
|
||||
ctx.font = 'bold 22px "Microsoft Yahei"';
|
||||
ctx.fillStyle = '#000';
|
||||
ctx.textAlign = 'left';
|
||||
ctx.textBaseline = 'top';
|
||||
ctx.fillText(appName, titleX, titleY);
|
||||
|
||||
// 绘制应用提示(字体大小除以3)
|
||||
ctx.font = '16px "Microsoft Yahei"';
|
||||
ctx.fillStyle = '#666';
|
||||
ctx.fillText(appHint, titleX, 66);
|
||||
|
||||
// 绘制标题(字体大小除以3)
|
||||
ctx.font = 'bold 22px "Microsoft Yahei"';
|
||||
ctx.fillStyle = '#000';
|
||||
ctx.fillText(title, 280, titleY);
|
||||
|
||||
// 绘制副标题(字体大小除以3)
|
||||
ctx.font = '16px "Microsoft Yahei"';
|
||||
ctx.fillStyle = '#666';
|
||||
ctx.fillText(subTitle, 280, 66);
|
||||
|
||||
// 调用回调函数
|
||||
if (onHeaderDrawn) {
|
||||
onHeaderDrawn(104);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 绘制数学模块迷你页眉的参数接口(尺寸除以3)
|
||||
*/
|
||||
interface drawBaseMiniHeaderParams {
|
||||
// canvas: WechatMiniprogram.Canvas;
|
||||
ctx: RenderingContext;
|
||||
options: {
|
||||
appName: string;
|
||||
title: string;
|
||||
};
|
||||
canvasWidth: number; // 逻辑像素宽度(已除以3)
|
||||
onHeaderDrawn?: (currentY: number) => void;
|
||||
}
|
||||
|
||||
/**
|
||||
* 绘制数学模块迷你页眉(尺寸除以3)
|
||||
*/
|
||||
export function drawBaseMiniHeader({
|
||||
ctx,
|
||||
options,
|
||||
canvasWidth,
|
||||
onHeaderDrawn,
|
||||
}: drawBaseMiniHeaderParams): void {
|
||||
const { appName, title } = options;
|
||||
const titleY = 46;
|
||||
const centerX = canvasWidth / 2;
|
||||
|
||||
// 字体大小除以3
|
||||
ctx.font = 'bold 24px "Microsoft Yahei"'; // 64/3
|
||||
ctx.fillStyle = '#000';
|
||||
ctx.textAlign = 'center';
|
||||
ctx.fillText(appName + ' ' + title, centerX, titleY);
|
||||
|
||||
// 调用回调函数,传递除以3后的currentY
|
||||
if (onHeaderDrawn) {
|
||||
onHeaderDrawn(60); // 约66.67
|
||||
}
|
||||
}
|
||||
@@ -1,4 +1,4 @@
|
||||
import { BaseDrawService } from './baseDraw';
|
||||
import { BaseDrawService } from '../core/draw/baseDraw';
|
||||
import { POSITION_TEMPLATES } from './findWordTemplate';
|
||||
|
||||
// ==================== Debug 开关 ====================
|
||||
|
||||
@@ -1,4 +1,4 @@
|
||||
import { BaseDrawService } from './baseDraw';
|
||||
import { BaseDrawService } from '../core/draw/baseDraw';
|
||||
import { ShapeCard } from '../constants/shapes';
|
||||
import { drawShape } from './drawShape';
|
||||
|
||||
|
||||
@@ -1,4 +1,4 @@
|
||||
import { BaseDrawService } from './baseDraw';
|
||||
import { BaseDrawService } from '../core/draw/baseDraw';
|
||||
/**
|
||||
* 计算示例区域圆的中心点
|
||||
* @param canvasWidth 画布宽度(逻辑像素)
|
||||
|
||||
@@ -1,4 +1,4 @@
|
||||
import { BaseDrawService } from './baseDraw';
|
||||
import { BaseDrawService } from '../core/draw/baseDraw';
|
||||
import { CharacterItem } from '../types/characterType';
|
||||
|
||||
/**
|
||||
|
||||
Reference in New Issue
Block a user