tsc.js 11 KB

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  1. /**
  2. * tsc 命令打印工具类
  3. * 2021.04.26 uni-app版本
  4. * @auth boolTrue
  5. */
  6. var encode = require("./encoding.js");
  7. var jpPrinter = {
  8. createNew: function() {
  9. var jpPrinter = {};
  10. var data = "";
  11. var command = []
  12. var rawCommand = ''
  13. jpPrinter.name = "标签模式";
  14. jpPrinter.init = function() {};
  15. jpPrinter.addCommand = function(content) { //将指令转成数组装起
  16. //#ifdef MP-WEIXIN
  17. var code = new encode.TextEncoder(
  18. 'gb18030', {
  19. NONSTANDARD_allowLegacyEncoding: true
  20. }).encode(content)
  21. for (var i = 0; i < code.length; ++i) {
  22. command.push(code[i])
  23. }
  24. //#endif
  25. //#ifdef APP-PLUS
  26. let byteCommand = plus.android.invoke(content, 'getBytes', 'gb18030');
  27. for (var i = 0; i < byteCommand.length; ++i) {
  28. command.push(byteCommand[i])
  29. }
  30. //#endif
  31. //console.log('command--:',command)
  32. rawCommand += content
  33. }
  34. function intToByte(i) {
  35. // 此处关键 -- android是java平台 byte数值范围是 [-128, 127]
  36. // 因为java平台的byte类型是有符号的 最高位表示符号,所以数值范围固定
  37. // 而图片计算出来的是数值是 0 -255 属于int类型
  38. // 所以把int 转换成byte类型
  39. //#ifdef APP-PLUS
  40. var b = i & 0xFF;
  41. var c = 0;
  42. if (b >= 128) {
  43. c = b % 128;
  44. c = -1 * (128 - c);
  45. } else {
  46. c = b;
  47. }
  48. return c
  49. //#endif
  50. // 而微信小程序不需要,因为小程序api接收的是 无符号8位
  51. //#ifdef MP-WEIXIN
  52. return i
  53. //#endif
  54. }
  55. jpPrinter.setSize = function(pageWidght, pageHeight) { //设置页面大小
  56. data = "SIZE " + pageWidght.toString() + " mm" + "," + pageHeight.toString() + " mm" + "\r\n";
  57. jpPrinter.addCommand(data)
  58. };
  59. jpPrinter.setSpeed = function(printSpeed) { //设置打印机速度
  60. data = "SPEED " + printSpeed.toString() + "\r\n";
  61. jpPrinter.addCommand(data)
  62. };
  63. jpPrinter.setDensity = function(printDensity) { //设置打印机浓度
  64. data = "DENSITY " + printDensity.toString() + "\r\n";
  65. jpPrinter.addCommand(data)
  66. };
  67. jpPrinter.setGap = function(printGap) { //传感器
  68. data = "GAP " + printGap.toString() + " mm\r\n";
  69. jpPrinter.addCommand(data)
  70. };
  71. jpPrinter.setCountry = function(country) { //选择国际字符集
  72. /*
  73. 001:USA
  74. 002:French
  75. 003:Latin America
  76. 034:Spanish
  77. 039:Italian
  78. 044:United Kingdom
  79. 046:Swedish
  80. 047:Norwegian
  81. 049:German
  82. */
  83. data = "COUNTRY " + country + "\r\n";
  84. jpPrinter.addCommand(data)
  85. };
  86. jpPrinter.setCodepage = function(codepage) { //选择国际代码页
  87. /*
  88. 8-bit codepage 字符集代表
  89. 437:United States
  90. 850:Multilingual
  91. 852:Slavic
  92. 860:Portuguese
  93. 863:Canadian/French
  94. 865:Nordic
  95. Windows code page
  96. 1250:Central Europe
  97. 1252:Latin I
  98. 1253:Greek
  99. 1254:Turkish
  100. 以下代码页仅限于 12×24 dot 英数字体
  101. WestEurope:WestEurope
  102. Greek:Greek
  103. Hebrew:Hebrew
  104. EastEurope:EastEurope
  105. Iran:Iran
  106. IranII:IranII
  107. Latvian:Latvian
  108. Arabic:Arabic
  109. Vietnam:Vietnam
  110. Uygur:Uygur
  111. Thai:Thai
  112. 1252:Latin I
  113. 1257:WPC1257
  114. 1251:WPC1251
  115. 866:Cyrillic
  116. 858:PC858
  117. 747:PC747
  118. 864:PC864
  119. 1001:PC100
  120. */
  121. data = "CODEPAGE " + codepage + "\r\n";
  122. jpPrinter.addCommand(data)
  123. }
  124. jpPrinter.setCls = function() { //清除打印机缓存
  125. data = "CLS" + "\r\n";
  126. jpPrinter.addCommand(data)
  127. };
  128. jpPrinter.setFeed = function(feed) { //将纸向前推出n
  129. data = "FEED " + feed + "\r\n";
  130. jpPrinter.addCommand(data)
  131. };
  132. jpPrinter.setBackFeed = function(backup) { //将纸向后回拉n
  133. data = "BACKFEED " + backup + "\r\n";
  134. jpPrinter.addCommand(data)
  135. }
  136. jpPrinter.setDirection = function(direction) { //设置打印方向,参考编程手册
  137. data = "DIRECTION " + direction + "\r\n";
  138. jpPrinter.addCommand(data)
  139. };
  140. jpPrinter.setReference = function(x, y) { //设置坐标原点,与打印方向有关
  141. data = "REFERENCE " + x + "," + y + "\r\n";
  142. jpPrinter.addCommand(data)
  143. };
  144. jpPrinter.setFromfeed = function() { //根据Size进一张标签纸
  145. data = "FORMFEED \r\n";
  146. jpPrinter.addCommand(data)
  147. };
  148. jpPrinter.setHome = function() { //根据Size找到下一张标签纸的位置
  149. data = "HOME \r\n";
  150. jpPrinter.addCommand(data)
  151. };
  152. jpPrinter.setSound = function(level, interval) { //控制蜂鸣器
  153. data = "SOUND " + level + "," + interval + "\r\n";
  154. jpPrinter.addCommand(data)
  155. };
  156. jpPrinter.setLimitfeed = function(limit) { // 检测垂直间距
  157. data = "LIMITFEED " + limit + "\r\n";
  158. jpPrinter.addCommand(data)
  159. };
  160. jpPrinter.setBar = function(x, y, width, height) { //绘制线条
  161. data = "BAR " + x + "," + y + "," + width + "," + height + "\r\n"
  162. jpPrinter.addCommand(data)
  163. };
  164. jpPrinter.setBox = function(x_start, y_start, x_end, y_end, thickness) { //绘制方框
  165. data = "BOX " + x_start + "," + y_start + "," + x_end + "," + y_end + "," + thickness + "\r\n";
  166. jpPrinter.addCommand(data)
  167. };
  168. jpPrinter.setErase = function(x_start, y_start, x_width, y_height) { //清除指定区域的数据
  169. data = "ERASE " + x_start + "," + y_start + "," + x_width + "," + y_height + "\r\n";
  170. jpPrinter.addCommand(data)
  171. };
  172. jpPrinter.setReverse = function(x_start, y_start, x_width, y_height) { //将指定的区域反相打印
  173. data = "REVERSE " + x_start + "," + y_start + "," + x_width + "," + y_height + "\r\n";
  174. jpPrinter.addCommand(data)
  175. };
  176. jpPrinter.setText = function(x, y, font, x_, y_, str) { //打印文字
  177. data = "TEXT " + x + "," + y + ",\"" + font + "\"," + 0 + "," + x_ + "," + y_ + "," + "\"" +
  178. str + "\"\r\n"
  179. jpPrinter.addCommand(data)
  180. };
  181. jpPrinter.setQR = function(x, y, level, width, mode, content) { //打印二维码
  182. data = "QRCODE " + x + "," + y + "," + level + "," + width + "," + mode + "," + 0 + ",\"" +
  183. content + "\"\r\n"
  184. jpPrinter.addCommand(data)
  185. };
  186. jpPrinter.setBar = function(x, y, codetype, height, readable, narrow, wide, content) { //打印条形码
  187. data = "BARCODE " + x + "," + y + ",\"" + codetype + "\"," + height + "," + readable + "," + 0 +
  188. "," + narrow + "," + wide + ",\"" + content + "\"\r\n"
  189. jpPrinter.addCommand(data)
  190. };
  191. // 固定灰度阈值(128以上的都看作白色)
  192. jpPrinter.setBitmap = function(x, y, mode, res) { //添加图片,res为画布参数
  193. var width = parseInt((res.width) / 8 * 8 / 8)
  194. var height = res.height
  195. var imgWidth = res.width
  196. var time = 1;
  197. var temp = res.data.length - width * 32;
  198. var pointList = []
  199. var resultData = []
  200. console.log(width + "--" + height)
  201. data = "BITMAP " + x + "," + y + "," + width + "," + height + "," + mode + ","
  202. jpPrinter.addCommand(data)
  203. //console.log(res.data)
  204. console.log('---以上是原始数据---')
  205. //for循环顺序不要错了,外层遍历高度,内层遍历宽度,因为横向每8个像素点组成一个字节
  206. for (var y = 0; y < height; y++) {
  207. for (var x = 0; x < imgWidth; x++) {
  208. let r = res.data[(y * imgWidth + x) * 4];
  209. let g = res.data[(y * imgWidth + x) * 4 + 1];
  210. let b = res.data[(y * imgWidth + x) * 4 + 2];
  211. let a = res.data[(y * imgWidth + x) * 4 + 3]
  212. //console.log(`当前${y}行${x}列像素,rgba值:(${r},${g},${b},${a})`)
  213. // 像素灰度值
  214. let grayColor = r * 0.299 + g * 0.587 + b * 0.114
  215. //灰度值大于128位
  216. //1不打印, 0打印 (参考:佳博标签打印机编程手册tspl)
  217. if (grayColor > 128) {
  218. pointList.push(1)
  219. } else {
  220. pointList.push(0)
  221. }
  222. }
  223. }
  224. //console.log(pointList)
  225. for (var i = 0; i < pointList.length; i += 8) {
  226. var p = pointList[i] * 128 + pointList[i + 1] * 64 + pointList[i + 2] * 32 + pointList[i +
  227. 3] * 16 + pointList[i + 4] * 8 + pointList[i + 5] * 4 + pointList[i + 6] * 2 +
  228. pointList[i + 7]
  229. resultData.push(p)
  230. }
  231. console.log('最终数据:')
  232. //console.log(resultData)
  233. for (var i = 0; i < resultData.length; ++i) {
  234. command.push(intToByte(resultData[i]))
  235. }
  236. }
  237. jpPrinter.setBitmap2 = function(x, y, mode, res) { //添加图片,res为画布参数
  238. var w = res.width
  239. var width = parseInt((res.width + 7) / 8 * 8 / 8)
  240. var height = res.height;
  241. console.log(width + "--" + height)
  242. data = "BITMAP " + x + "," + y + "," + width + "," + height + "," + mode + ","
  243. jpPrinter.addCommand(data)
  244. var r = []
  245. var bits = new Uint8Array(height * width);
  246. for (y = 0; y < height; y++) {
  247. for (x = 0; x < w; x++) {
  248. let r = res.data[(y * w + x) * 4];
  249. let g = res.data[(y * w + x) * 4 + 1];
  250. let b = res.data[(y * w + x) * 4 + 2];
  251. let a = res.data[(y * w + x) * 4 + 3]
  252. var color = ((a & 0xFF) << 24) | ((r & 0xFF) << 16) | ((g & 0xFF) << 8) | ((b & 0xFF) <<
  253. 0);
  254. if ((color & 0xFF) > 128) {
  255. bits[parseInt(y * width + x / 8)] |= (0x80 >> (x % 8));
  256. }
  257. }
  258. }
  259. for (var i = 0; i < bits.length; i++) {
  260. //command.push((~bits[i]) & 0xFF);
  261. command.push(intToByte(bits[i]));
  262. //r.push((~bits[i]) & 0xFF);
  263. }
  264. }
  265. // 平均灰度阈值(先计算平均灰度,然后大于平均灰度的都算作白色)
  266. jpPrinter.setBitmap3 = function(x, y, mode, res) { //添加图片,res为画布参数
  267. var width = parseInt((res.width) / 8 * 8 / 8)
  268. var height = res.height
  269. var imgWidth = res.width
  270. var time = 1;
  271. var temp = res.data.length - width * 32;
  272. var pointList = []
  273. var resultData = []
  274. console.log(width + "--" + height)
  275. data = "BITMAP " + x + "," + y + "," + width + "," + height + "," + mode + ","
  276. jpPrinter.addCommand(data)
  277. //console.log(res.data)
  278. console.log('---以上是原始数据---')
  279. let sumRed = 0,
  280. sumGreen = 0,
  281. sumBlue = 0;
  282. let total = height * imgWidth;
  283. let pix = res.data;
  284. for (var i = 0; i < pix.length; i += 4) {
  285. sumRed += pix[i]
  286. sumGreen += pix[i + 1]
  287. sumBlue += pix[i + 2]
  288. }
  289. let avgRed = parseInt(sumRed / total);
  290. let avgGreen = parseInt(sumGreen / total);
  291. let avgBlue = parseInt(sumBlue / total);
  292. let avgGrayColor = avgRed * 0.299 + avgGreen * 0.587 + avgBlue * 0.114
  293. //for循环顺序不要错了,外层遍历高度,内层遍历宽度,因为横向每8个像素点组成一个字节
  294. for (var y = 0; y < height; y++) {
  295. for (var x = 0; x < imgWidth; x++) {
  296. let r = res.data[(y * imgWidth + x) * 4];
  297. let g = res.data[(y * imgWidth + x) * 4 + 1];
  298. let b = res.data[(y * imgWidth + x) * 4 + 2];
  299. let a = res.data[(y * imgWidth + x) * 4 + 3]
  300. // 像素灰度值
  301. let grayColor = r * 0.299 + g * 0.587 + b * 0.114
  302. //灰度值大于128位
  303. //1不打印, 0打印 (参考:佳博标签打印机编程手册tspl)
  304. if (grayColor > avgGrayColor) {
  305. pointList.push(1)
  306. } else {
  307. pointList.push(0)
  308. }
  309. }
  310. }
  311. //console.log(pointList)
  312. for (var i = 0; i < pointList.length; i += 8) {
  313. var p = pointList[i] * 128 + pointList[i + 1] * 64 + pointList[i + 2] * 32 + pointList[i +
  314. 3] * 16 + pointList[i + 4] * 8 + pointList[i + 5] * 4 + pointList[i + 6] * 2 +
  315. pointList[i + 7]
  316. resultData.push(p)
  317. }
  318. console.log('最终数据:')
  319. //console.log(resultData)
  320. for (var i = 0; i < resultData.length; ++i) {
  321. command.push(intToByte(resultData[i]))
  322. }
  323. }
  324. jpPrinter.RawCommand = function(data) {
  325. jpPrinter.addCommand(data)
  326. }
  327. jpPrinter.setPagePrint = function(m,n) { //打印页面
  328. data = "PRINT "+m+","+n+"\r\n"
  329. jpPrinter.addCommand(data)
  330. };
  331. //获取打印数据
  332. jpPrinter.getData = function() {
  333. return command;
  334. };
  335. jpPrinter.getRawData = function() {
  336. return rawCommand;
  337. };
  338. jpPrinter.clearCommand = function() {
  339. rawCommand = ''
  340. };
  341. return jpPrinter;
  342. }
  343. };
  344. module.exports.jpPrinter = jpPrinter;