rpt_pdf_util.js 20 KB

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  1. /**
  2. * Created by chen on 2017/8/16.
  3. */
  4. /**
  5. * Created by zhang on 2017/8/14.
  6. */
  7. const pdf = require('pdfkit');
  8. const PDF_SCALE = 0.75;
  9. const fs = require('fs');
  10. const jpcCmnHelper = require('../rpt_component/helper/jpc_helper_common');
  11. const DPI = jpcCmnHelper.getScreenDPI()[0] * PDF_SCALE;
  12. const JV = require('../rpt_component/jpc_value_define');
  13. const uuidV1 = require('uuid').v1;
  14. let fontUtil = require('./rpt_font_util');
  15. // 目前不支持下划线
  16. module.exports = {
  17. export_pdf_file:export_pdf_file
  18. }
  19. function export_pdf_file (pageData, paperSize, fName, callback) {
  20. let offsetX= 10;
  21. let offsetY=10;
  22. let doc = new pdf({autoFirstPage: false});
  23. // let newName = '' + (new Date()).valueOf();
  24. let newName = uuidV1();
  25. let stream = doc.pipe(fs.createWriteStream(__dirname.slice(0, __dirname.length - 21) + '/tmp/'+newName+'.pdf'));
  26. let pageObj = pageData;
  27. // doc.rect(5,5,1190,890).lineWidth(1).strokeColor('black').stroke();//边框
  28. let paperSizeIdx = JV.PAGES_SIZE_STR.indexOf(paperSize);
  29. let size = JV.PAGES_SIZE[paperSizeIdx];
  30. function private_getIniPageMergeBorder(mergedBand) {
  31. let rst = {};
  32. rst[JV.PROP_LEFT] = mergedBand[JV.PROP_LEFT];
  33. rst[JV.PROP_RIGHT] = mergedBand[JV.PROP_RIGHT];
  34. rst[JV.PROP_TOP] = mergedBand[JV.PROP_TOP];
  35. rst[JV.PROP_BOTTOM] = mergedBand[JV.PROP_BOTTOM];
  36. rst[JV.PROP_STYLE] = mergedBand[JV.PROP_STYLE];
  37. return rst;
  38. }
  39. let newPageMergeBand = private_getIniPageMergeBorder(pageObj[JV.BAND_PROP_MERGE_BAND]);
  40. if (pageObj && pageObj.items.length > 0 ) {
  41. for(let i=0;i<pageObj.items.length;i++){
  42. if (pageData[JV.NODE_PAGE_INFO][JV.NODE_PAGE_SIZE][0] > pageData[JV.NODE_PAGE_INFO][JV.NODE_PAGE_SIZE][1]) {
  43. doc.addPage({size:[size[1]*DPI,size[0]*DPI]});
  44. } else {
  45. doc.addPage({size:[size[0]*DPI,size[1]*DPI]});
  46. }
  47. let page = pageObj.items[i],
  48. fonts = pageObj[JV.NODE_FONT_COLLECTION],
  49. styles = pageObj[JV.NODE_STYLE_COLLECTION],
  50. controls = pageObj[JV.NODE_CONTROL_COLLECTION];
  51. if (page[JV.PROP_PAGE_MERGE_BORDER]) {
  52. newPageMergeBand[JV.PROP_LEFT] = page[JV.PROP_PAGE_MERGE_BORDER][JV.PROP_LEFT];
  53. newPageMergeBand[JV.PROP_RIGHT] = page[JV.PROP_PAGE_MERGE_BORDER][JV.PROP_RIGHT];
  54. newPageMergeBand[JV.PROP_TOP] = page[JV.PROP_PAGE_MERGE_BORDER][JV.PROP_TOP];
  55. newPageMergeBand[JV.PROP_BOTTOM] = page[JV.PROP_PAGE_MERGE_BORDER][JV.PROP_BOTTOM];
  56. }
  57. for (let j = 0; j < page.cells.length; j++) {
  58. let cell = page.cells[j];
  59. private_drawCell(cell, fonts, styles, controls, newPageMergeBand);
  60. }
  61. }
  62. }
  63. doc.end();
  64. stream.on('finish',function () {
  65. console.log(newName + ".pdf was written.");
  66. callback(newName);
  67. });
  68. function private_chkIfInMergedBand(mergedBand, cell) {
  69. let rst = false;
  70. if (mergedBand && cell) {
  71. rst = mergedBand[JV.PROP_TOP] <= cell[JV.PROP_AREA][JV.PROP_TOP] && mergedBand[JV.PROP_BOTTOM] >= cell[JV.PROP_AREA][JV.PROP_BOTTOM] &&
  72. mergedBand[JV.PROP_LEFT] <= cell[JV.PROP_AREA][JV.PROP_LEFT] && mergedBand[JV.PROP_RIGHT] >= cell[JV.PROP_AREA][JV.PROP_RIGHT];
  73. }
  74. return rst;
  75. }
  76. function private_drawCell(cell, fonts, styles, controls, mergedBand) {
  77. doc.save();
  78. // doc.translate(0.5,0.5); //跟H5的canvas不同,不需要这样切换
  79. let style = styles[cell[JV.PROP_STYLE]];
  80. if (style) {
  81. let isNeedMergeBand = private_chkIfInMergedBand(mergedBand, cell);
  82. private_drawLine(cell, doc, style, JV.PROP_TOP, [JV.PROP_LEFT, JV.PROP_TOP],[JV.PROP_RIGHT, JV.PROP_TOP], mergedBand, styles, isNeedMergeBand);
  83. private_drawLine(cell, doc, style, JV.PROP_RIGHT, [JV.PROP_RIGHT, JV.PROP_TOP],[JV.PROP_RIGHT, JV.PROP_BOTTOM], mergedBand, styles, isNeedMergeBand);
  84. private_drawLine(cell, doc, style, JV.PROP_BOTTOM, [JV.PROP_RIGHT, JV.PROP_BOTTOM],[JV.PROP_LEFT, JV.PROP_BOTTOM], mergedBand, styles, isNeedMergeBand);
  85. private_drawLine(cell, doc, style, JV.PROP_LEFT, [JV.PROP_LEFT, JV.PROP_BOTTOM],[JV.PROP_LEFT, JV.PROP_TOP], mergedBand, styles, isNeedMergeBand);
  86. }
  87. private_drawCellText(cell, fonts, controls);
  88. doc.restore();
  89. }
  90. function private_drawLine(cell, doc, style, styleBorderDest, startP, destP, mergedBand, styles, isNeedMergeBand) {
  91. //doc.beginPath();
  92. let destStyle = style;
  93. if (mergedBand) {
  94. if (isNeedMergeBand && parseFloat(mergedBand[styleBorderDest]) === parseFloat(cell[JV.PROP_AREA][styleBorderDest])) {
  95. destStyle = styles[mergedBand[JV.PROP_STYLE][JV.PROP_ID]];
  96. }
  97. }
  98. // doc.moveTo(cell[JV.PROP_AREA][startP[0]] + offsetX, cell[JV.PROP_AREA][startP[1]] + offsetY);
  99. doc.moveTo( (cell[JV.PROP_AREA][startP[0]] + offsetX) * PDF_SCALE, (cell[JV.PROP_AREA][startP[1]] + offsetY) * PDF_SCALE);
  100. if (destStyle[styleBorderDest] && parseFloat(destStyle[styleBorderDest][JV.PROP_LINE_WEIGHT]) !== 0) {
  101. doc.lineWidth(1.0 * destStyle[styleBorderDest][JV.PROP_LINE_WEIGHT]);
  102. // doc.lineTo(cell[JV.PROP_AREA][destP[0]] + offsetX, cell[JV.PROP_AREA][destP[1]] + offsetY);
  103. doc.lineTo((cell[JV.PROP_AREA][destP[0]] + offsetX) * PDF_SCALE, (cell[JV.PROP_AREA][destP[1]] + offsetY) * PDF_SCALE);
  104. doc.strokeColor(destStyle[styleBorderDest][JV.PROP_COLOR]);
  105. }
  106. doc.stroke();
  107. }
  108. function private_drawCellText(cell, fonts, controls) {
  109. if (cell[JV.PROP_VALUE]) {
  110. let values = ("" + cell[JV.PROP_VALUE]).split('|');
  111. // let font = fonts[cell[JV.PROP_FONT]];
  112. let font = null;
  113. if (typeof cell[JV.PROP_FONT] === "string") {
  114. font = fonts[cell[JV.PROP_FONT]];
  115. } else {
  116. font = cell[JV.PROP_FONT];
  117. }
  118. // let control = controls[cell[JV.PROP_CONTROL]];
  119. let control = null;
  120. if (typeof cell[JV.PROP_CONTROL] === "string") {
  121. control = controls[cell[JV.PROP_CONTROL]];
  122. } else {
  123. control = cell[JV.PROP_CONTROL];
  124. }
  125. let height = cell[JV.PROP_AREA][JV.PROP_BOTTOM] - cell[JV.PROP_AREA][JV.PROP_TOP];
  126. let area = [cell[JV.PROP_AREA][JV.PROP_LEFT] + offsetX, cell[JV.PROP_AREA][JV.PROP_TOP] + offsetY, cell[JV.PROP_AREA][JV.PROP_RIGHT] + offsetX, cell[JV.PROP_AREA][JV.PROP_BOTTOM] + offsetY];
  127. let ah = height;
  128. let restTopH = 0, restBottomH = 0;
  129. if (control[JV.CONTROL_PROPS[JV.CONTROL_PROP_IDX_CLOSE_OUTPUT]] === 'T') {
  130. ah = (parseFloat(font[JV.FONT_PROPS[1]]) + JV.OUTPUT_OFFSET[JV.OFFSET_IDX_TOP] + JV.OUTPUT_OFFSET[JV.OFFSET_IDX_BOTTOM]) * values.length;
  131. let restH = height - ah;
  132. if (control[JV.CONTROL_PROPS[JV.CONTROL_PROP_IDX_VERTICAL]] === 'center') {
  133. restTopH = restH / 2;
  134. restBottomH = restH / 2;
  135. } else if (control[JV.CONTROL_PROPS[JV.CONTROL_PROP_IDX_VERTICAL]] === 'bottom') {
  136. restBottomH = restH;
  137. } else {
  138. restTopH = restH;
  139. }
  140. }
  141. let spaceIdxArr = [];
  142. for (let i = 0; i < values.length; i++) {
  143. // area[JV.IDX_TOP] = cell[JV.PROP_AREA][JV.PROP_TOP] + i * (height / values.length) + offsetY;
  144. // area[JV.IDX_BOTTOM] = cell[JV.PROP_AREA][JV.PROP_TOP] + (i + 1) * (height / values.length) + offsetY;
  145. area[JV.IDX_TOP] = cell[JV.PROP_AREA][JV.PROP_TOP] + i * (ah / values.length) + offsetY + restTopH;
  146. area[JV.IDX_BOTTOM] = cell[JV.PROP_AREA][JV.PROP_TOP] + (i + 1) * (ah / values.length) + offsetY + restBottomH;
  147. if (values[i] === null || values[i] === undefined || values[i] === 'null') {
  148. values[i] = "";
  149. }
  150. // 因pdfkit输出空格只有一半宽度,需要额外加空格补上 -----------------------------
  151. if (typeof(values[i]) === "string") {
  152. for (let j = 0; j < values[i].length; j++) {
  153. if (values[i][j] === ' ') spaceIdxArr.push(j);
  154. }
  155. }
  156. for (let j = spaceIdxArr.length - 1; j >= 0; j--) {
  157. values[i] = values[i].slice(0, spaceIdxArr[j]) + ' ' + values[i].slice(spaceIdxArr[j]);
  158. }
  159. // -----------------------------
  160. private_drawText(values[i], area, font, control);
  161. spaceIdxArr = [];
  162. }
  163. }
  164. }
  165. function private_drawText(val, area, font, control) {
  166. let dftFontHeight = 12;
  167. let output = [];
  168. let fontFile = __dirname + '/pdf_base_files/simkai.ttf';
  169. if (font) {
  170. dftFontHeight = 1 * font[JV.FONT_PROPS[1]];
  171. fontFile = __dirname + '/pdf_base_files/' + fontUtil.getActualFont(font[JV.FONT_PROPS[0]], (font[JV.FONT_PROPS[3]] === 'T'), (font[JV.FONT_PROPS[4]] === 'T')) + '.ttf';
  172. doc.fontSize(dftFontHeight);
  173. }
  174. doc.font(fontFile);
  175. let options={};
  176. let inner_setupControl = function (inArea, inFontHeight, inOutput) {
  177. if (control) {
  178. private_setupAreaH(inArea, control.Horizon, font.FontAngle, inFontHeight, inOutput, options);
  179. private_setupAreaV(inArea, control.Vertical, font.FontAngle, inFontHeight, inOutput);
  180. } else {
  181. private_setupAreaH(inArea, "left", parseInt(font.FontAngle), inFontHeight, inOutput, options);
  182. private_setupAreaV(inArea, "bottom", parseInt(font.FontAngle), inFontHeight, inOutput);
  183. }
  184. };
  185. inner_setupControl(area, dftFontHeight, output);
  186. let validAreaTxtWidth = area[JV.IDX_RIGHT] - JV.OUTPUT_OFFSET[JV.OFFSET_IDX_RIGHT] - area[JV.IDX_LEFT] - JV.OUTPUT_OFFSET[JV.OFFSET_IDX_RIGHT];
  187. let validTxtLines = Math.floor((area[JV.IDX_BOTTOM] - area[JV.IDX_TOP]) / (dftFontHeight + JV.OUTPUT_OFFSET[JV.OFFSET_IDX_BOTTOM] + JV.OUTPUT_OFFSET[JV.OFFSET_IDX_TOP] + 4));
  188. if (parseInt(font.FontAngle) !== 0) {
  189. validAreaTxtWidth = area[JV.IDX_BOTTOM] - JV.OUTPUT_OFFSET[JV.OFFSET_IDX_BOTTOM] - area[JV.IDX_TOP] - JV.OUTPUT_OFFSET[JV.OFFSET_IDX_TOP];
  190. validTxtLines = Math.floor((area[JV.IDX_RIGHT] - area[JV.IDX_LEFT]) / (dftFontHeight + JV.OUTPUT_OFFSET[JV.OFFSET_IDX_RIGHT] + JV.OUTPUT_OFFSET[JV.OFFSET_IDX_LEFT] + 4));
  191. }
  192. function private_drawUnderline(underLineVal, underLineArea) {
  193. //A. 暂不支持角度; B. PDF输出时,坐标没有translate
  194. let ctx = doc;
  195. //1. 计算下划线的相关坐标
  196. let width = ctx.widthOfString(underLineVal);
  197. if (width > underLineArea[JV.IDX_RIGHT] - underLineArea[JV.IDX_LEFT]) {
  198. width = underLineArea[JV.IDX_RIGHT] - underLineArea[JV.IDX_LEFT];
  199. }
  200. let height = dftFontHeight;
  201. let startX = underLineArea[JV.IDX_LEFT], startY = underLineArea[JV.IDX_TOP], endX = underLineArea[JV.IDX_RIGHT], endY = underLineArea[JV.IDX_BOTTOM];
  202. // let startX = 0, startY = 0, endX = width, endY = startY;
  203. if (control.Horizon === "left") {
  204. startX = Math.round(underLineArea[JV.IDX_LEFT] + JV.OUTPUT_OFFSET[JV.IDX_LEFT]);
  205. } else if (control.Horizon === "right") {
  206. startX = Math.round(underLineArea[JV.IDX_RIGHT] - width - JV.OUTPUT_OFFSET[JV.IDX_RIGHT]);
  207. } else {
  208. startX = Math.round( underLineArea[JV.IDX_LEFT] + (underLineArea[JV.IDX_RIGHT] - underLineArea[JV.IDX_LEFT] - width) / 2);
  209. }
  210. endX = Math.round(startX + width);
  211. if (control.Vertical === "top") {
  212. startY = Math.round(underLineArea[JV.IDX_TOP] + JV.OUTPUT_OFFSET[JV.IDX_TOP] + JV.OUTPUT_OFFSET[JV.IDX_BOTTOM] + height);
  213. } else if (control.Vertical === "bottom") {
  214. startY = Math.round(underLineArea[JV.IDX_BOTTOM] + JV.OUTPUT_OFFSET[JV.IDX_BOTTOM]);
  215. } else {
  216. startY = Math.round( underLineArea[JV.IDX_TOP] + (underLineArea[JV.IDX_BOTTOM] - underLineArea[JV.IDX_TOP] + height) / 2) + JV.OUTPUT_OFFSET[JV.IDX_TOP] + JV.OUTPUT_OFFSET[JV.IDX_BOTTOM];
  217. }
  218. endY = Math.round(startY);
  219. //2. 画线
  220. // ctx.save();
  221. if ( output[1] !== Math.round(output[1])) {
  222. ctx.translate(0,0.5);
  223. }
  224. // ctx.beginPath();
  225. // ctx.moveTo(startX, startY);
  226. ctx.moveTo(startX * PDF_SCALE, startY * PDF_SCALE);
  227. ctx.lineWidth(1);
  228. ctx.strokeStyle = "BLACK";
  229. // ctx.lineTo(endX, endY);
  230. ctx.lineTo(endX * PDF_SCALE, endY * PDF_SCALE);
  231. ctx.stroke();
  232. // ctx.restore();
  233. }
  234. let rotateOptions;
  235. // if (font[JV.FONT_PROPS[5]] === 'T' && parseInt(font.FontAngle) === 0) {
  236. // private_drawUnderline(val);
  237. // }
  238. if (parseInt(font.FontAngle) !== 0) {
  239. if (control){
  240. rotateOptions = private_setupAreaRotateOption(area,validAreaTxtWidth,control.Vertical,dftFontHeight, output);
  241. } else {
  242. rotateOptions = private_setupAreaRotateOption(area,validAreaTxtWidth,"bottom",dftFontHeight, output);
  243. }
  244. doc.rotate(font.FontAngle,rotateOptions);
  245. }
  246. if (validAreaTxtWidth >= doc.widthOfString(val) ||
  247. (control && control.Shrink !== 'T' && validTxtLines < private_splitString(val, validAreaTxtWidth, doc)) ) {
  248. options.width = validAreaTxtWidth * PDF_SCALE;
  249. options.height = dftFontHeight * PDF_SCALE;
  250. doc.fontSize(dftFontHeight);
  251. if (font[JV.FONT_PROPS[5]] === 'T' && parseInt(font.FontAngle) === 0) {
  252. private_drawUnderline(val, area);
  253. }
  254. doc.fontSize(dftFontHeight * PDF_SCALE);
  255. doc.text(val,output[0] * PDF_SCALE, output[1] * PDF_SCALE, options);
  256. doc.font(__dirname + '/pdf_base_files/simhei_bold_italic.ttf');
  257. } else {
  258. while (true) {
  259. //*/
  260. let lines = Math.floor((area[JV.IDX_BOTTOM] - area[JV.IDX_TOP]) / (dftFontHeight + JV.OUTPUT_OFFSET[JV.OFFSET_IDX_BOTTOM] + JV.OUTPUT_OFFSET[JV.OFFSET_IDX_TOP] + 4));
  261. lines = (lines === 0 || (control.Shrink === 'T' && control.ShrinkFirst === 'T'))?1:lines;
  262. let actLines = private_splitString(val, validAreaTxtWidth, doc);
  263. if (actLines.length > lines && dftFontHeight >= 6) {
  264. dftFontHeight--;
  265. doc.fontSize(dftFontHeight);
  266. options.width = validAreaTxtWidth * PDF_SCALE;
  267. options.height = dftFontHeight * PDF_SCALE;
  268. // doc.text(val,output[0], output[1], options);
  269. } else {
  270. let aH = dftFontHeight + JV.OUTPUT_OFFSET[JV.OFFSET_IDX_BOTTOM] + JV.OUTPUT_OFFSET[JV.OFFSET_IDX_TOP] + 4;
  271. if ((aH * actLines.length) < (area[JV.IDX_BOTTOM] - area[JV.IDX_TOP]) && (control && control.Vertical !== 'top')) {
  272. if (control.Vertical === 'bottom') {
  273. area[JV.IDX_TOP] = area[JV.IDX_BOTTOM] - (aH * actLines.length);
  274. } else {
  275. area[JV.IDX_TOP] = (area[JV.IDX_TOP] + area[JV.IDX_BOTTOM]) / 2 - (aH * actLines.length) / 2
  276. area[JV.IDX_BOTTOM] = area[JV.IDX_TOP] + (aH * actLines.length);
  277. }
  278. }
  279. let newArea = [], baseTop = area[JV.IDX_TOP];
  280. for (let ai = 0; ai < area.length; ai++) {
  281. newArea[ai] = area[ai];
  282. }
  283. options.width = validAreaTxtWidth * PDF_SCALE;
  284. options.height = dftFontHeight * PDF_SCALE;
  285. for (let lIdx = 0; lIdx < actLines.length; lIdx++) {
  286. newArea[JV.IDX_TOP] = Math.round(aH * lIdx + baseTop);
  287. newArea[JV.IDX_BOTTOM] = Math.round(aH * (lIdx + 1) + baseTop);
  288. inner_setupControl(newArea, dftFontHeight, output);
  289. doc.fontSize(dftFontHeight);
  290. if (font[JV.FONT_PROPS[5]] === 'T' && parseInt(font.FontAngle) === 0) {
  291. private_drawUnderline(actLines[lIdx], newArea);
  292. }
  293. doc.fontSize(dftFontHeight * PDF_SCALE);
  294. doc.text(actLines[lIdx], output[0] * PDF_SCALE, output[1] * PDF_SCALE, options);
  295. }
  296. break;
  297. }
  298. /*/
  299. dftFontHeight--;
  300. doc.fontSize(dftFontHeight);
  301. if (validAreaTxtWidth >= doc.widthOfString(val) || dftFontHeight < 6) {
  302. options.width = validAreaTxtWidth;
  303. options.height = dftFontHeight;
  304. doc.text(val,output[0], output[1], options);
  305. doc.font(__dirname + '/pdf_base_files/simhei_bold_italic.ttf');
  306. break;
  307. }
  308. //*/
  309. }
  310. }
  311. // doc.text(val,output[0], output[1], options);
  312. doc.font(__dirname + '/pdf_base_files/simhei_bold_italic.ttf');
  313. // doc.restore();
  314. }
  315. function private_setupAreaH(area, type, fontAngle, dftFontHeight, outputPoint,options) {
  316. let lType = type;
  317. if (type !== "left" && type !== "right" && type !== "center") lType = "left";
  318. options.align=lType;
  319. outputPoint[0]=1 * area[JV.IDX_LEFT]+ JV.OUTPUT_OFFSET[JV.OFFSET_IDX_LEFT];
  320. }
  321. function private_setupAreaV(area, type, fontAngle, dftFontHeight, outputPoint) {
  322. let lType = type;
  323. if (type !== "top" && type !== "bottom" && type !== "center") lType = "top";
  324. switch (lType) {
  325. case "top":
  326. outputPoint[1] = 1 * area[JV.IDX_TOP] + JV.OUTPUT_OFFSET[JV.OFFSET_IDX_TOP];
  327. break;
  328. case "bottom":
  329. outputPoint[1] = 1 * area[JV.IDX_BOTTOM] - JV.OUTPUT_OFFSET[JV.OFFSET_IDX_BOTTOM]-dftFontHeight;
  330. break;
  331. case "center":
  332. outputPoint[1] = 1 * area[JV.IDX_TOP] + (1 * area[JV.IDX_BOTTOM]-1 * area[JV.IDX_TOP]- dftFontHeight) / 2;
  333. break;
  334. }
  335. }
  336. function private_splitString(strVal, areaWidth, doc) {
  337. let rst = [];
  338. if (strVal) {
  339. let preSIdx = 0, txtWidth = 0;
  340. let currentW = 0;
  341. let chnW = doc.widthOfString('一'), otherW = doc.widthOfString('_');
  342. for (let sIdx = 0; sIdx < strVal.length; sIdx++) {
  343. currentW = (strVal.charCodeAt(sIdx) > 127)?chnW:otherW;
  344. txtWidth += currentW;
  345. if (txtWidth > areaWidth) {
  346. if (preSIdx < sIdx) {
  347. rst.push(strVal.substr(preSIdx, sIdx - preSIdx));
  348. preSIdx = sIdx;
  349. } else {
  350. rst.push(strVal.substr(preSIdx, 1));
  351. preSIdx = sIdx + 1;
  352. }
  353. txtWidth = currentW;
  354. }
  355. if (sIdx === strVal.length - 1) {
  356. rst.push(strVal.substr(preSIdx, strVal.length - preSIdx));
  357. }
  358. }
  359. }
  360. if (rst.length === 0) rst.push(''); //什么都没有,也得整个空串
  361. return rst;
  362. }
  363. function private_setupAreaRotateOption(area,w, type="top",dftFontHeight,outputPoint){
  364. let x = (area[JV.IDX_RIGHT] - area[JV.IDX_LEFT])/2+area[JV.IDX_LEFT];
  365. let y =(area[JV.IDX_BOTTOM] - area[JV.IDX_TOP])/2+ area[JV.IDX_TOP];
  366. let rotateOptions = {origin:[x,y]};
  367. let h = area[JV.IDX_RIGHT] - area[JV.IDX_LEFT];
  368. outputPoint[0]=x-w/2+JV.OUTPUT_OFFSET[JV.OFFSET_IDX_LEFT];
  369. switch (type) {
  370. case "top":
  371. outputPoint[1] = y- h/2+ JV.OUTPUT_OFFSET[JV.OFFSET_IDX_TOP];
  372. break;
  373. case "bottom":
  374. outputPoint[1] = y+ h/2-JV.OUTPUT_OFFSET[JV.OFFSET_IDX_BOTTOM]-dftFontHeight;
  375. break;
  376. case "center":
  377. outputPoint[1] = y+dftFontHeight/2;
  378. break;
  379. }
  380. return rotateOptions;
  381. }
  382. }