R524809
318 lines
9.6 KiB
TypeScript
318 lines
9.6 KiB
TypeScript
import { BaseDrawService } from '../../../core/draw/baseDraw';
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import type {
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DailyCheckinRow,
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DailyCheckinSection,
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LetterTracingData,
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} from '../generators/letter-tracing-generator';
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import {
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PRINT_CLEARLY_DASHED,
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PRINT_CLEARLY_REGULAR,
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fontFamilyOf,
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} from '../../shared/data/fontProfiles';
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import {
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calcLetterFontSizes,
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drawClosedFourLineGrid,
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drawLetterInFourLineGrid,
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loadLetterFont,
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type LetterFontSizes,
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} from '../../shared/draw/drawTools';
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type DailyCheckinData = Extract<
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LetterTracingData,
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{ mode: 'letter-tracing-daily-checkin' }
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>;
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// 页面左右边距（px）
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const PAGE_MARGIN_X = 14;
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// 页面上下边距（px）
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const PAGE_MARGIN_Y = 14;
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// 每个分区内容区左右内边距（px）
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const SECTION_PADDING_X = 18;
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// 每个分区内容区顶部内边距（px）
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const SECTION_PADDING_TOP = 12;
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// 每个分区内容区底部内边距（px）
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const SECTION_PADDING_BOTTOM = 10;
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// 标题与上一元素的垂直间距（px）
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const HEADER_TITLE_GAP = 24;
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// 标题与元信息（如日期、学号等）的间距（px）
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const HEADER_META_GAP = 22;
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// 正文内容距标题/元信息顶部的间距（px）
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const CONTENT_TOP_GAP = 14;
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// 页脚短语与内容之间的间距（px）
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const FOOTER_PHRASE_GAP = 26;
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// 页脚索引与短语之间的间距（px）
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const FOOTER_INDEX_GAP = 22;
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// 单个格子区列数
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const GRID_COLS = 5;
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// 单个格子区行数
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const GRID_ROWS = 7;
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// 格子列间距（px）
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const GRID_COL_GAP = 6;
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// 格子行间距（px）
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const GRID_ROW_GAP = 8;
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// 网格描边主色
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const GRID_BORDER = '#9AA9A2';
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// 网格中间线虚线颜色
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const GRID_MIDDLE = 'rgba(154, 169, 162, 0.65)';
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// 黑色文本主色
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const COLOR_BLACK = '#1a1a1a';
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// 数据红色（例：未签到状态）
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const COLOR_LIGHT_RED = '#FF8E8E';
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export default class DailyCheckinDraw extends BaseDrawService {
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async draw(data: DailyCheckinData) {
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this.prepareDraw();
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await Promise.all([
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loadLetterFont(PRINT_CLEARLY_REGULAR),
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loadLetterFont(PRINT_CLEARLY_DASHED),
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]);
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this.drawPageDividers();
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const sections = this.getSectionRects();
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for (let i = 0; i < sections.length; i++) {
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this.drawSection(sections[i], data.sections[i] ?? null);
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}
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}
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private drawPageDividers() {
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const verticalX = this.canvasWidth / 2;
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const horizontalY = this.canvasHeight / 2;
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this.drawLine(
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verticalX,
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PAGE_MARGIN_Y,
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verticalX,
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this.canvasHeight - PAGE_MARGIN_Y,
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{
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isDashed: true,
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dashPattern: [5, 5],
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color: '#D6D2CC',
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lineWidth: 1,
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},
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);
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this.drawLine(
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PAGE_MARGIN_X,
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horizontalY,
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this.canvasWidth - PAGE_MARGIN_X,
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horizontalY,
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{
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isDashed: true,
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dashPattern: [5, 5],
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color: '#D6D2CC',
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lineWidth: 1,
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},
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);
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}
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private getSectionRects() {
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const halfW = this.canvasWidth / 2;
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const halfH = this.canvasHeight / 2;
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return [
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{
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x: PAGE_MARGIN_X,
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y: PAGE_MARGIN_Y,
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w: halfW - PAGE_MARGIN_X,
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h: halfH - PAGE_MARGIN_Y,
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},
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{
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x: halfW,
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y: PAGE_MARGIN_Y,
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w: this.canvasWidth - PAGE_MARGIN_X - halfW,
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h: halfH - PAGE_MARGIN_Y,
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},
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{
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x: PAGE_MARGIN_X,
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y: halfH,
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w: halfW - PAGE_MARGIN_X,
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h: this.canvasHeight - PAGE_MARGIN_Y - halfH,
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},
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{
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x: halfW,
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y: halfH,
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w: this.canvasWidth - PAGE_MARGIN_X - halfW,
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h: this.canvasHeight - PAGE_MARGIN_Y - halfH,
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},
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];
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}
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private drawSection(
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rect: { x: number; y: number; w: number; h: number },
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section: DailyCheckinSection | null,
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) {
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if (!section) return;
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this.drawSectionHeader(rect);
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this.drawSectionFooter(rect, section.pageNumber);
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this.drawSectionGrid(rect, section.rows);
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}
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private drawSectionHeader(rect: {
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x: number;
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y: number;
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w: number;
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h: number;
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}) {
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const cx = rect.x + rect.w / 2;
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const titleY = rect.y + SECTION_PADDING_TOP + 12;
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const metaY = titleY + HEADER_TITLE_GAP;
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this.ctx.save();
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this.ctx.fillStyle = '#322E25';
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this.ctx.textAlign = 'center';
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this.ctx.textBaseline = 'middle';
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this.ctx.font = '20px serif';
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this.ctx.fillText('每日打卡', cx, titleY);
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this.ctx.font = '14px serif';
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this.ctx.fillText('月', rect.x + rect.w * 0.34, metaY);
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this.ctx.fillText('日', rect.x + rect.w * 0.48, metaY);
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this.ctx.fillText('姓名:', rect.x + rect.w * 0.7, metaY);
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this.ctx.strokeStyle = '#8E897E';
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this.ctx.lineWidth = 1;
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this.ctx.setLineDash([]);
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this.ctx.beginPath();
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this.ctx.moveTo(rect.x + rect.w * 0.14, metaY + 4);
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this.ctx.lineTo(rect.x + rect.w * 0.3, metaY + 4);
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this.ctx.moveTo(rect.x + rect.w * 0.38, metaY + 4);
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this.ctx.lineTo(rect.x + rect.w * 0.44, metaY + 4);
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this.ctx.moveTo(rect.x + rect.w * 0.52, metaY + 4);
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this.ctx.lineTo(rect.x + rect.w * 0.58, metaY + 4);
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this.ctx.moveTo(rect.x + rect.w * 0.78, metaY + 4);
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this.ctx.lineTo(rect.x + rect.w * 0.94, metaY + 4);
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this.ctx.stroke();
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this.ctx.restore();
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}
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private drawSectionFooter(
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rect: { x: number; y: number; w: number; h: number },
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pageNumber: number,
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) {
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const cx = rect.x + rect.w / 2;
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const phraseY =
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rect.y + rect.h - SECTION_PADDING_BOTTOM - FOOTER_PHRASE_GAP;
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const indexY = rect.y + rect.h - SECTION_PADDING_BOTTOM - 6;
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this.ctx.save();
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this.ctx.fillStyle = '#3E3A33';
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this.ctx.textAlign = 'center';
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this.ctx.textBaseline = 'middle';
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this.ctx.font = '14px serif';
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this.ctx.fillText('日拱一卒 不期而至', cx, phraseY);
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this.ctx.font = '12px serif';
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this.ctx.fillText(`- ${pageNumber} -`, cx, indexY);
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this.ctx.restore();
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}
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private drawSectionGrid(
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rect: { x: number; y: number; w: number; h: number },
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rows: DailyCheckinRow[],
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) {
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const contentTop =
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rect.y +
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SECTION_PADDING_TOP +
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HEADER_TITLE_GAP +
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HEADER_META_GAP +
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CONTENT_TOP_GAP;
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const contentBottom =
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rect.y +
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rect.h -
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SECTION_PADDING_BOTTOM -
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FOOTER_PHRASE_GAP -
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FOOTER_INDEX_GAP;
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const contentHeight = contentBottom - contentTop;
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const contentWidth = rect.w - SECTION_PADDING_X * 2;
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const cellW =
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(contentWidth - GRID_COL_GAP * (GRID_COLS - 1)) / GRID_COLS;
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const cellH =
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(contentHeight - GRID_ROW_GAP * (GRID_ROWS - 1)) / GRID_ROWS;
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const pairGap = Math.min(16, cellW * 0.28);
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const regularSizes = calcLetterFontSizes(
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cellH * 0.86,
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PRINT_CLEARLY_REGULAR,
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);
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const dashedSizes = calcLetterFontSizes(
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cellH * 0.86,
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PRINT_CLEARLY_DASHED,
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);
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for (let rowIdx = 0; rowIdx < rows.length; rowIdx++) {
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const row = rows[rowIdx];
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const y = contentTop + rowIdx * (cellH + GRID_ROW_GAP);
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for (let colIdx = 0; colIdx < GRID_COLS; colIdx++) {
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const x =
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rect.x +
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SECTION_PADDING_X +
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colIdx * (cellW + GRID_COL_GAP);
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drawClosedFourLineGrid(this.ctx, x, y, cellW, cellH, {
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ink: GRID_BORDER,
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middleInk: GRID_MIDDLE,
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lineWidth: 1,
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dash: [3, 3],
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});
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const cell = row.cells[colIdx];
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if (!cell) continue;
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const sizes =
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row.style === 'dashed' ? dashedSizes : regularSizes;
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const fontFamily = fontFamilyOf(
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row.style === 'dashed'
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? PRINT_CLEARLY_DASHED
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: PRINT_CLEARLY_REGULAR,
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);
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const centerX = x + cellW / 2;
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this.ctx.save();
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this.ctx.globalAlpha = cell.alpha;
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drawLetterInFourLineGrid(
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this.ctx,
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cell.upper,
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centerX - pairGap / 2,
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y,
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cellH,
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sizes,
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{
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fontFamily,
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color:
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cell.color === COLOR_BLACK
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? COLOR_BLACK
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: COLOR_LIGHT_RED,
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},
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);
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drawLetterInFourLineGrid(
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this.ctx,
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cell.lower,
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centerX + pairGap / 2,
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y,
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cellH,
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sizes,
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{
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fontFamily,
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color:
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cell.color === COLOR_BLACK
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? COLOR_BLACK
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: COLOR_LIGHT_RED,
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},
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);
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this.ctx.restore();
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}
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}
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}
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}
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