59e51671
 “wangming”
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/**
* TSC 标签指令构建（纯 TypeScript，无 require/import 外部 CJS 模块）
* 使用 UTF-8 编码。对于纯英文/ASCII 内容，UTF-8 与 GB18030 字节一致，佳博打印机可正常打印。
* 若需中文等非 ASCII，可考虑运行时动态加载 tsc.js（仅 APP 端）。
*/
import type { MonochromeImageData, PrintImageOptions, StructuredTscTemplate } from './types/printer'
import { toTscBarcodeSymbology } from '../barcodeFormat'
function normalizePrinterText (str: string): string {
return String(str || '')
.normalize('NFKC')
.replace(/\uFFE5/g, '\u00A5')
.replace(/[\u2018\u2019]/g, '\'')
.replace(/[\u201C\u201D]/g, '"')
.replace(/[\u2013\u2014]/g, '-')
}
/** 将字符串转为 Windows-1252 字节数组，优先保证西文特殊字符可打印 */
function stringToPrinterBytes (str: string): number[] {
const normalized = normalizePrinterText(str)
const out: number[] = []
const cp1252Map: Record<number, number> = {
0x20ac: 0x80,
0x201a: 0x82,
0x0192: 0x83,
0x201e: 0x84,
0x2026: 0x85,
0x2020: 0x86,
0x2021: 0x87,
0x02c6: 0x88,
0x2030: 0x89,
0x0160: 0x8a,
0x2039: 0x8b,
0x0152: 0x8c,
0x017d: 0x8e,
0x2018: 0x91,
0x2019: 0x92,
0x201c: 0x93,
0x201d: 0x94,
0x2022: 0x95,
0x2013: 0x96,
0x2014: 0x97,
0x02dc: 0x98,
0x2122: 0x99,
0x0161: 0x9a,
0x203a: 0x9b,
0x0153: 0x9c,
0x017e: 0x9e,
0x0178: 0x9f,
}
for (let i = 0; i < normalized.length; i++) {
const code = normalized.charCodeAt(i)
if (code < 0x80) {
out.push(code)
continue
}
if (code >= 0xa0 && code <= 0xff) {
out.push(code)
continue
}
if (cp1252Map[code] != null) {
out.push(cp1252Map[code])
continue
}
out.push(0x3f)
}
return out
}
function addCommandBytes (out: number[], str: string) {
const bytes = stringToPrinterBytes(str)
for (let i = 0; i < bytes.length; i++) out.push(bytes[i])
}
function addTscLine (out: number[], str: string) {
addCommandBytes(out, str + '\r\n')
}
function escapeTscString (s: string): string {
return String(s).replace(/\\/g, '\\\\').replace(/"/g, '\\"')
}
function normalizeTscBarcodeType (value?: string): string {
return toTscBarcodeSymbology(value)
}
/**
* 构建标签打印指令字节数组（TSC）
* 与官方 Demo createLabel 格式一致（SIZE 100x30, GAP 0）
*/
export function buildTscLabel (options: {
productName: string
labelId: string
printQty?: number
widthMm?: number
heightMm?: number
category?: string
extraLine?: string
}): number[] {
const {
productName,
labelId,
printQty = 1,
widthMm = 100,
heightMm = 30,
category = '',
extraLine = '',
} = options
const out: number[] = []
const add = (s: string) => addCommandBytes(out, s + '\r\n')
let y = 10
add(`SIZE ${widthMm} mm,${heightMm} mm`)
add('GAP 0 mm,0 mm')
add('CODEPAGE 1252')
add('CLS')
add(`TEXT 50,${y},"TSS24.BF2",0,1,1,"${escapeTscString(productName)}"`)
y += 35
if (category) {
add(`TEXT 50,${y},"TSS24.BF2",0,1,1,"Category: ${escapeTscString(category)}"`)
y += 35
}
add(`TEXT 50,${y},"TSS24.BF2",0,1,1,"ID: ${escapeTscString(labelId)}"`)
y += 35
if (extraLine) {
add(`TEXT 50,${y},"TSS24.BF2",0,1,1,"${escapeTscString(extraLine)}"`)
y += 35
}
add(`QRCODE 50,${y},L,5,A,0,"${escapeTscString(labelId)}"`)
add(`PRINT 1,${printQty}`)
add('FEED 1')
return out
}
/**
* 食品营养成分标签测试打印（Nutrition Facts 格式）
*/
export function buildTestTscLabel (): number[] {
const out: number[] = []
const add = (s: string) => addTscLine(out, s)
add('SIZE 100 mm,65 mm')
add('GAP 0 mm,0 mm')
add('CODEPAGE 1252')
add('CLS')
add('BOX 20,20,780,500,3')
add('BAR 20,90,760,3')
add('BAR 20,215,760,2')
add('BAR 20,335,760,2')
add('BAR 520,90,2,410')
add('TEXT 180,42,"TSS24.BF2",0,1,1,"IN USE FOOD LABEL"')
add('TEXT 45,115,"TSS24.BF2",0,1,1,"Product"')
add('TEXT 45,150,"TSS24.BF2",0,1,1,"Grilled Chicken Breast"')
add('TEXT 45,182,"TSS24.BF2",0,1,1,"Prepared Protein / Hot Prep"')
add('TEXT 45,240,"TSS24.BF2",0,1,1,"Prepared"')
add('TEXT 45,275,"TSS24.BF2",0,1,1,"03/20/2026 10:30 AM"')
add('TEXT 45,360,"TSS24.BF2",0,1,1,"Use By"')
add('TEXT 45,395,"TSS24.BF2",0,1,1,"03/23/2026 10:30 AM"')
add('TEXT 45,430,"TSS24.BF2",0,1,1,"Shelf Life 72 Hours"')
add('TEXT 545,118,"TSS24.BF2",0,1,1,"Label ID"')
add('TEXT 545,152,"TSS24.BF2",0,1,1,"TEST-260320-001"')
add('TEXT 545,330,"TSS24.BF2",0,1,1,"Status: ACTIVE"')
add('TEXT 545,365,"TSS24.BF2",0,1,1,"Station: LINE 1"')
add('TEXT 545,400,"TSS24.BF2",0,1,1,"User: TEST USER"')
add('QRCODE 555,190,L,4,A,0,"TEST-260320-001"')
add('PRINT 1,1')
add('FEED 1')
return out
}
export function buildTscTemplateLabel (template: StructuredTscTemplate): number[] {
const out: number[] = []
const add = (s: string) => addTscLine(out, s)
add(`SIZE ${template.widthMm} mm,${template.heightMm} mm`)
add(`GAP ${template.gapMm || 0} mm,0 mm`)
add('CODEPAGE 1252')
if (template.density != null) add(`DENSITY ${template.density}`)
if (template.speed != null) add(`SPEED ${template.speed}`)
add('CLS')
template.items.forEach((item) => {
if (item.type === 'box') {
const right = item.x + item.width
const bottom = item.y + item.height
add(`BOX ${item.x},${item.y},${right},${bottom},${item.lineWidth || 1}`)
return
}
if (item.type === 'bar') {
add(`BAR ${item.x},${item.y},${item.width},${item.height}`)
return
}
if (item.type === 'qrcode') {
add(`QRCODE ${item.x},${item.y},${item.level || 'L'},${item.cellWidth || 4},${item.mode || 'A'},0,"${escapeTscString(item.value)}"`)
return
}
if (item.type === 'barcode') {
add(`BARCODE ${item.x},${item.y},"${normalizeTscBarcodeType(item.symbology)}",${Math.max(20, Math.round(item.height || 80))},${item.readable === false ? 0 : 1},${item.rotation || 0},${Math.max(1, Math.round(item.narrow || 2))},${Math.max(2, Math.round(item.wide || 2))},"${escapeTscString(item.value)}"`)
return
}
if (item.type === 'bitmap') {
const bytesPerRow = item.image.width / 8
const bitmapBytes = pixelsToTscBitmapBytes(item.image)
addCommandBytes(out, `BITMAP ${item.x},${item.y},${bytesPerRow},${item.image.height},0,`)
for (let i = 0; i < bitmapBytes.length; i++) out.push(bitmapBytes[i])
out.push(0x0d, 0x0a)
return
}
add(`TEXT ${item.x},${item.y},"${item.font || 'TSS24.BF2'}",${item.rotation || 0},${item.xScale || 1},${item.yScale || 1},"${escapeTscString(item.text)}"`)
})
add(`PRINT 1,${Math.max(1, Math.round(template.printQty || 1))}`)
return out
}
function roundMm (value: number): string {
return (Math.round(value * 10) / 10).toFixed(1)
}
function pixelsToTscBitmapBytes (image: MonochromeImageData): number[] {
const bytes: number[] = []
const bytesPerRow = image.width / 8
for (let y = 0; y < image.height; y++) {
for (let byteIndex = 0; byteIndex < bytesPerRow; byteIndex++) {
let value = 0
for (let bit = 0; bit < 8; bit++) {
const x = byteIndex * 8 + bit
const pixel = image.pixels[y * image.width + x]
const isWhite = pixel ? 0 : 1
value |= isWhite << (7 - bit)
}
bytes.push(value & 0xff)
}
}
return bytes
}
export function buildTscImageLabel (
image: MonochromeImageData,
options: PrintImageOptions = {},
dpi = 203
): number[] {
const out: number[] = []
const add = (s: string) => addCommandBytes(out, s + '\r\n')
const widthMm = options.widthMm || (image.width * 25.4 / dpi)
const heightMm = options.heightMm || (image.height * 25.4 / dpi)
const x = Math.max(0, Math.round(options.x || 0))
const y = Math.max(0, Math.round(options.y || 0))
const printQty = Math.max(1, Math.round(options.printQty || 1))
const bytesPerRow = image.width / 8
const bitmapBytes = pixelsToTscBitmapBytes(image)
add(`SIZE ${roundMm(widthMm)} mm,${roundMm(heightMm)} mm`)
add('GAP 0 mm,0 mm')
add('CODEPAGE 1252')
add('DENSITY 14')
add('SPEED 5')
add('CLS')
addCommandBytes(out, `BITMAP ${x},${y},${bytesPerRow},${image.height},0,`)
for (let i = 0; i < bitmapBytes.length; i++) out.push(bitmapBytes[i])
out.push(0x0d, 0x0a)
add(`PRINT 1,${printQty}`)
add('FEED 1')
return out
}
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