import type { WatermarkConfig, WatermarkPosition } from '#/api/x/dms/watermark';
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export const CUSTOM_BARCODE_TEMPLATE = '{/CUSTOM_BARCODE_TEXT}';
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export const WATERMARK_TYPE_LABELS = { BARCODE: '条码', IMAGE: '图片', TEXT: '文本' } as const;
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export const VERSION_SCOPE_LABELS = { ALL: '所有版本', CURRENT: '现行版本' } as const;
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export const SCENE_LABELS = { DOWNLOAD: '下载', PREVIEW: '预览', PRINT: '打印' } as const;
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export const LAYOUT_LABELS = { POSITION: '按位置', TILED: '整页重复' } as const;
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export const PAPER_SIZES = {
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A4: { widthMm: 210, heightMm: 297 },
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A3: { widthMm: 297, heightMm: 420 },
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} as const;
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export type PaperType = keyof typeof PAPER_SIZES;
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export function defaultPosition(paperType: PaperType = 'A4', markWidthMm = 80, markHeightMm = 20): WatermarkPosition {
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const { widthMm, heightMm } = PAPER_SIZES[paperType];
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const center = (pageSize: number, markSize: number) => Math.max(0, Math.floor((pageSize - markSize) / 2));
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return {
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paperType,
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paperWidthMm: widthMm,
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paperHeightMm: heightMm,
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portraitXMm: center(widthMm, markWidthMm),
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portraitYMm: center(heightMm, markHeightMm),
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landscapeXMm: center(heightMm, markWidthMm),
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landscapeYMm: center(widthMm, markHeightMm),
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};
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}
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export function validatePositionConfiguration(config: WatermarkConfig): string | undefined {
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const markWidth = Number(config.markWidthMm);
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const markHeight = Number(config.markHeightMm);
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const angle = Number(config.rotationAngle);
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if (![markWidth, markHeight, angle].every((value) => Number.isFinite(value)) || markWidth <= 0 || markHeight <= 0) {
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return '请输入有效的水印宽度、高度和旋转角度';
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}
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const radians = (angle * Math.PI) / 180;
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const drawnWidth = Math.abs(markWidth * Math.cos(radians)) + Math.abs(markHeight * Math.sin(radians));
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const drawnHeight = Math.abs(markWidth * Math.sin(radians)) + Math.abs(markHeight * Math.cos(radians));
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const paperTypes = new Set<string>();
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for (const position of config.positions) {
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const paperType = position.paperType?.trim().toUpperCase();
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if (!paperType) return '请选择纸张类型';
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if (paperTypes.has(paperType)) return `${paperType} 已配置，请勿重复添加`;
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paperTypes.add(paperType);
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const width = Number(position.paperWidthMm);
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const height = Number(position.paperHeightMm);
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if (![width, height].every((value) => Number.isFinite(value)) || width <= 0 || height <= 0) return `${paperType} 的纸张尺寸无效`;
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const orientations = [
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{ label: '纵向', pageWidth: width, pageHeight: height, x: Number(position.portraitXMm), y: Number(position.portraitYMm) },
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{ label: '横向', pageWidth: height, pageHeight: width, x: Number(position.landscapeXMm), y: Number(position.landscapeYMm) },
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];
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for (const { label, pageWidth, pageHeight, x, y } of orientations) {
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if (![x, y].every((value) => Number.isFinite(value)) || x < 0 || y < 0 || x > pageWidth || y > pageHeight) {
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return `${paperType} ${label}位置的 X/Y 必须位于纸张范围内`;
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}
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if (config.layoutMode === 'TILED') {
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if (x === pageWidth || y === pageHeight) return `${paperType} ${label}位置的重复起点必须位于纸张内`;
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continue;
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}
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const drawnX = x - (drawnWidth - markWidth) / 2;
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const drawnY = y - (drawnHeight - markHeight) / 2;
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if (
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x + markWidth > pageWidth + 0.01 ||
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y + markHeight > pageHeight + 0.01 ||
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drawnX < -0.01 ||
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drawnY < -0.01 ||
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drawnX + drawnWidth > pageWidth + 0.01 ||
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drawnY + drawnHeight > pageHeight + 0.01
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) {
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return `${paperType} ${label}位置会使水印超出纸张，请调整坐标或水印尺寸`;
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}
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}
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}
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}
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export function defaultWatermark(): WatermarkConfig {
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return {
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name: '',
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watermarkType: 'TEXT',
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versionScope: 'ALL',
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loadScenes: ['DOWNLOAD'],
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watermarkBusinessTypes: [],
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enabled: true,
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enterpriseName: '',
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contentTemplate: '',
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fontFamily: 'SimHei',
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fontColor: '#666666',
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fontSize: 24,
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rotationAngle: 0,
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opacity: 30,
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layoutMode: 'POSITION',
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markWidthMm: 80,
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markHeightMm: 20,
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horizontalAlign: 'LEFT',
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verticalAlign: 'TOP',
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repeatSpacingXMm: 20,
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repeatSpacingYMm: 20,
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showBarcodeText: false,
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positions: [defaultPosition()],
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};
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}
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export function sceneText(scenes: string[] = []) {
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return scenes.map((item) => SCENE_LABELS[item as keyof typeof SCENE_LABELS] || item).join('、');
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}
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