124 lines
3.4 KiB
TypeScript
124 lines
3.4 KiB
TypeScript
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import type { DeckStore } from './deckStore';
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import type { PageData } from './usePDFExport';
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import type { CardShape } from '../types';
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import { pts2plotter } from '../../../plotcutter';
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export interface UsePlotterExportReturn {
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exportToPlt: (pages: PageData[]) => void;
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}
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/**
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* 根据形状生成卡片轮廓点（单位：mm，相对于卡片左下角）
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*/
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function getCardShapePoints(
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shape: CardShape,
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width: number,
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height: number
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): [number, number][] {
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const points: [number, number][] = [];
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switch (shape) {
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case 'circle': {
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// 圆形：生成 36 个点近似圆
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const radius = Math.min(width, height) / 2;
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const centerX = width / 2;
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const centerY = height / 2;
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for (let i = 0; i < 36; i++) {
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const angle = (i / 36) * Math.PI * 2;
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points.push([
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centerX + radius * Math.cos(angle),
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centerY + radius * Math.sin(angle)
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]);
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}
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break;
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}
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case 'triangle': {
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// 正三角形：顶点向上
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points.push([width / 2, 0]);
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points.push([0, height]);
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points.push([width, height]);
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break;
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}
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case 'hexagon': {
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// 六边形：尖顶向上
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const halfW = width / 2;
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const quarterH = height / 4;
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points.push([halfW, 0]);
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points.push([width, quarterH]);
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points.push([width, height - quarterH]);
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points.push([halfW, height]);
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points.push([0, height - quarterH]);
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points.push([0, quarterH]);
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break;
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}
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case 'rectangle':
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default: {
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// 矩形：顺时针方向
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points.push([0, 0]);
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points.push([width, 0]);
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points.push([width, height]);
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points.push([0, height]);
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break;
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}
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}
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return points;
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}
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/**
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* PLT 导出 hook - 生成 HPGL 格式文件并下载
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*/
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export function usePlotterExport(store: DeckStore): UsePlotterExportReturn {
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const exportToPlt = (pages: PageData[]) => {
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const cardWidth = store.state.dimensions?.cardWidth || 56;
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const cardHeight = store.state.dimensions?.cardHeight || 88;
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const shape = store.state.shape;
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// 计算所有页面的总尺寸
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const a4Width = 297; // 横向 A4
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const a4Height = 210;
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// 收集所有卡片的轮廓点
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const allPaths: [number, number][][] = [];
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for (const page of pages) {
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for (const card of page.cards) {
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// 只导出正面
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if (card.side !== 'front') continue;
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// 获取卡片形状点（相对于卡片原点）
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const shapePoints = getCardShapePoints(shape, cardWidth, cardHeight);
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// 转换点到页面坐标（Y 轴翻转：SVG Y 向下，plotter Y 向上）
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const pagePoints = shapePoints.map(([x, y]) => [
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card.x + x,
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a4Height - (card.y + y)
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] as [number, number]);
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allPaths.push(pagePoints);
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}
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}
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if (allPaths.length === 0) {
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alert('没有可导出的卡片');
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return;
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}
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// 生成 HPGL 指令
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const plotterCode = pts2plotter(allPaths, a4Width, a4Height, 1);
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// 创建 Blob 并下载
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const blob = new Blob([plotterCode], { type: 'application/vnd.hp-HPGL' });
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const url = URL.createObjectURL(blob);
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const link = document.createElement('a');
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link.href = url;
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link.download = `deck-export-${new Date().toISOString().slice(0, 19).replace(/:/g, '-')}.plt`;
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document.body.appendChild(link);
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link.click();
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document.body.removeChild(link);
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URL.revokeObjectURL(url);
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};
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return { exportToPlt };
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}
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