X-Git-Url: https://git.kianting.info/?a=blobdiff_plain;f=src%2Flibclo%2Findex.js;h=fe92ce14683dae9d90116a36ae12de9cf70648ff;hb=714bbb4a64531268d17ca8f7ae60800ec2046a27;hp=43e410c89ec16e68d3bd84612dae41dfd047432a;hpb=9c51921978468526aed0da6060900fe54967848e;p=clo diff --git a/src/libclo/index.js b/src/libclo/index.js index 43e410c..fe92ce1 100644 --- a/src/libclo/index.js +++ b/src/libclo/index.js @@ -32,13 +32,12 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge }); }; Object.defineProperty(exports, "__esModule", { value: true }); -exports.Clo = exports.calculateTextWidthHeightAux = exports.calculateTextWidthHeight = exports.hyphenTkTree = exports.filterEmptyString = exports.spacesToBreakpoint = exports.hyphenForClo = exports.splitCJKV = exports.twoReturnsToNewline = exports.ptToPx = exports.cjkvRegexPattern = exports.cjkvBlocksInRegex = exports.defaultFrameStyle = exports.defaultTextStyle = exports.A4_IN_PX = exports.Direction = void 0; +exports.Clo = exports.applyVOffset = exports.putInVBox = exports.calculateTextWidthHeightAux = exports.calculateTextWidthHeight = exports.hyphenTkTree = exports.filterEmptyString = exports.spacesToBreakpoint = exports.hyphenForClo = exports.splitCJKV = exports.twoReturnsToNewline = exports.ptToPx = exports.cjkvRegexPattern = exports.cjkvBlocksInRegex = exports.defaultFrameStyle = exports.defaultTextStyle = exports.A4_IN_PX = exports.Direction = void 0; const canva_1 = require("../canva"); const fontkit = __importStar(require("fontkit")); const breakLines = __importStar(require("./breakLines")); -require("pdfkit"); -const pdf_lib_1 = require("pdf-lib"); -const fs = __importStar(require("fs")); +const PDFDocument = require('pdfkit'); +const memfs_1 = require("memfs"); /** * TYPES */ @@ -61,7 +60,7 @@ var Direction; exports.A4_IN_PX = { "width": 793.7, "height": 1122.5 }; exports.defaultTextStyle = { - family: "FreeSerif", + family: "Noto Sans CJK TC", size: ptToPx(12), textWeight: canva_1.TextWeight.REGULAR, fontStyle: canva_1.FontStyle.ITALIC, @@ -104,7 +103,7 @@ exports.ptToPx = ptToPx; * REGISTER PART */ /** - * convert '\n\n' to newline command ["nl"] + * convert '\n\n' to new paragraph command ["br"] * @param arr the input `tkTree` * @param clo the `Clo` object * @returns the input tktree @@ -124,7 +123,7 @@ function twoReturnsToNewline(arr, clo) { for (let j = 0; j < middle.length; j++) { var item = middle[j]; if (!Array.isArray(item) && item == "\n\n") { - result.push(["nl"]); // push a newline command to the result `tkTree` + result.push(["br"]); // push a newline command to the result `tkTree` } else { result.push(middle[j]); @@ -246,8 +245,13 @@ exports.hyphenTkTree = hyphenTkTree; function calculateTextWidthHeight(element, style) { return __awaiter(this, void 0, void 0, function* () { var res = []; + var styleCache = {}; + var fontCache = {}; for (var i = 0; i < element.length; i++) { - res.push(yield calculateTextWidthHeightAux(element[i], style)); + let item = yield calculateTextWidthHeightAux(element[i], style, styleCache, fontCache); + styleCache = item[1]; + fontCache = item[2]; + res.push(item[0]); } res = res.flat(); return res; @@ -259,15 +263,25 @@ exports.calculateTextWidthHeight = calculateTextWidthHeight; * @param preprocessed * @param defaultFontStyle */ -function calculateTextWidthHeightAux(element, style) { +function calculateTextWidthHeightAux(element, style, styleCache, fontCache) { return __awaiter(this, void 0, void 0, function* () { var result = []; - let fontPair = (0, canva_1.fontStyleTofont)(style); - if (fontPair.path.match(/\.ttc$/)) { - var font = yield fontkit.openSync(fontPair.path, fontPair.psName); + var font; + if (style === styleCache) { + font = fontCache; } else { - var font = yield fontkit.openSync(fontPair.path); + let fontPair = (0, canva_1.fontStyleTofont)(style); + if (fontPair.path.match(/\.ttc$/)) { + font = yield fontkit.openSync(fontPair.path, fontPair.psName); + styleCache = style; + fontCache = font; + } + else { + font = yield fontkit.openSync(fontPair.path); + styleCache = style; + fontCache = font; + } } if (!Array.isArray(element)) { var run = font.layout(element, undefined, undefined, undefined, "ltr"); @@ -278,8 +292,8 @@ function calculateTextWidthHeightAux(element, style) { y: null, textStyle: style, direction: Direction.LTR, - width: (runGlyphsItem.advanceWidth) * (style.size) / 1000, - height: (runGlyphsItem.bbox.maxY - runGlyphsItem.bbox.minY) * (style.size) / 1000, + width: (runGlyphsItem.advanceWidth) * (style.size) / 1000 * 0.75, + height: (runGlyphsItem.bbox.maxY - runGlyphsItem.bbox.minY) * (style.size) / 1000 * 0.75, content: element[j], minX: runGlyphsItem.bbox.minX, maxX: runGlyphsItem.bbox.maxX, @@ -288,14 +302,15 @@ function calculateTextWidthHeightAux(element, style) { }; result.push(item); } - return result; + return [result, styleCache, fontCache]; + // break point of a line } else if (element[0] == "bp") { - var beforeNewLine = yield calculateTextWidthHeightAux(element[1], style); + var beforeNewLine = (yield calculateTextWidthHeightAux(element[1], style, styleCache, fontCache))[0]; if (Array.isArray(beforeNewLine)) { beforeNewLine = beforeNewLine.flat(); } - let afterNewLine = yield calculateTextWidthHeightAux(element[2], style); + let afterNewLine = (yield calculateTextWidthHeightAux(element[2], style, styleCache, fontCache))[0]; if (Array.isArray(afterNewLine)) { afterNewLine = afterNewLine.flat(); } @@ -303,18 +318,66 @@ function calculateTextWidthHeightAux(element, style) { original: beforeNewLine, newLined: afterNewLine, }; - return breakPointNode; + return [breakPointNode, styleCache, fontCache]; + // hglue } else if (element[0] == "hglue" && !Array.isArray(element[1])) { - let hGlue = { stretchFactor: parseFloat(element[1]) }; - return hGlue; + let hGlue = { + isHorizonalGlue: true, + stretchFactor: parseFloat(element[1]) + }; + return [hGlue, styleCache, fontCache]; + } + // new line
+ else if (element[0] == "br") { + let brBoxItem = yield calculateTextWidthHeightAux(["hglue", "10000"], style, styleCache, fontCache); + //
+ let BR = { + isBR: true, + original: brBoxItem[0], + newLined: brBoxItem[0] + }; + return [BR, styleCache, fontCache]; } else { - return calculateTextWidthHeight(element, style); + return [yield calculateTextWidthHeight(element, style), styleCache, fontCache]; } }); } exports.calculateTextWidthHeightAux = calculateTextWidthHeightAux; +/** + * put childrenBox inside VBox + */ +function putInVBox(childrenBox, parentBox) { + var voffset = Array(childrenBox.length).fill(0); + for (var i = 0; i < childrenBox.length - 1; i++) { + voffset[i + 1] = voffset[i] + childrenBox[i].height; + } + console.log("~", voffset); + for (var i = 0; i < childrenBox.length; i++) { + childrenBox[i] = applyVOffset(childrenBox[i], voffset[i]); + childrenBox[i].y += voffset[i]; + } + parentBox.content = childrenBox; + return parentBox; +} +exports.putInVBox = putInVBox; +/** + * apply vertical offset to a box + * @param box the box to be applied + * @param voffset the vertical offset + * @returns applied box + */ +function applyVOffset(box, voffset) { + if (box.y !== null) { + box.y += voffset; + } + if (Array.isArray(box.content)) { + box.content = box.content.map((x) => applyVOffset(x, voffset)); + } + return box; +} +exports.applyVOffset = applyVOffset; /** * whole document-representing class */ @@ -360,52 +423,185 @@ class Clo { preprocessed = this.preprocessors[i](preprocessed, this); } // generate the width and height of the stream - let defaultFontStyle = this.attrs["defaultFrameStyle"].textStyle; - let a = yield calculateTextWidthHeight(preprocessed, defaultFontStyle); + let defaultFontStyle = this.attrs.defaultFrameStyle.textStyle; + // calculate the width and height of each chars + let calculated = yield calculateTextWidthHeight(preprocessed, defaultFontStyle); + // + let paragraphized = this.paragraphize(calculated); let breakLineAlgorithms = new breakLines.BreakLineAlgorithm(); - // TODO - //console.log(breakLineAlgorithms.totalCost(a,70)); - let segmentedNodes = breakLineAlgorithms.segmentedNodes(a, 70); - console.log(this.segmentedNodesToFrameBox(segmentedNodes, this.attrs["defaultFrameStyle"])); + let segmentedNodes = paragraphized.map((x) => breakLineAlgorithms.segmentedNodes(x, this.attrs.defaultFrameStyle.width)); + let segmentedNodesToBox = segmentedNodes.map((x) => this.segmentedNodesToFrameBoxAux(x, this.attrs.defaultFrameStyle)); + let boxWithParagraph = putInVBox(segmentedNodesToBox, this.attrs.defaultFrameStyle); + console.log(boxWithParagraph); + // fix the bug of main Frame x & y + if (boxWithParagraph.x !== null) { + boxWithParagraph.x *= 0.75; + } + if (boxWithParagraph.y !== null) { + boxWithParagraph.y *= 0.75; + } + let boxesFixed = this.fixenBoxesPosition(boxWithParagraph); + boxesFixed.content.map((e) => { console.log(e.y); }); // generate pdf - const pdfDoc = yield pdf_lib_1.PDFDocument.create(); - var page = pdfDoc.addPage(); - page.drawText('You can create PDFs!'); - for (var j = 0; j < 1000; j += 5) { - if (j % 50 == 0) { - page.drawText(j.toString(), { x: 50, y: j }); - } - page.drawLine({ - start: { x: 0, y: j }, - end: { x: 1000, y: j }, - thickness: 0.5, - color: (0, pdf_lib_1.rgb)(0.75, 0.2, 0.2), - opacity: 0.20, - }); + const doc = new PDFDocument({ size: 'A4' }); + // let fsMemory = memfs(); + doc.pipe(memfs_1.vol.createWriteStream('output.pdf')); + this.grid(doc); + let styleCache = {}; + let fontPairCache = { path: "", psName: "" }; + yield this.putText(doc, boxesFixed, styleCache, fontPairCache); + // putChar + doc.end(); + }); + } + paragraphize(calculated) { + var res = [[]]; + for (var i = 0; i < calculated.length; i++) { + if ("isBR" in (calculated[i])) { + res[res.length - 1] = res[res.length - 1].concat(calculated[i]); + res.push([]); + } + else { + res[res.length - 1] = res[res.length - 1].concat(calculated[i]); } - for (var i = 0; i < 1000; i += 5) { - if (i % 50 == 0) { - page.drawText(i.toString(), { x: i, y: 50 }); + } + res = res.filter((x) => x.length !== 0); + return res; + } + putText(doc, box, styleCache, fontPairCache) { + return __awaiter(this, void 0, void 0, function* () { + var fontPair; + if (box.textStyle !== null) { + if (box.textStyle == styleCache) { + fontPair = fontPairCache; + } + else { + fontPair = (0, canva_1.fontStyleTofont)(box.textStyle); + styleCache = box.textStyle; + fontPairCache = fontPair; + let textColor = box.textStyle.color; + if (fontPair.path.match(/\.ttc$/g)) { + doc + .fillColor(textColor !== undefined ? textColor : "#000000") + .font(fontPair.path, fontPair.psName) + .fontSize(box.textStyle.size * 0.75); + } + else { + doc + .fillColor(textColor !== undefined ? textColor : "#000000") + .font(fontPair.path) + .fontSize(box.textStyle.size * 0.75); // 0.75 must added! + } + } + if (box.textStyle.color !== undefined) { + doc.fill(box.textStyle.color); + } + if (Array.isArray(box.content)) { + for (var k = 0; k < box.content.length; k++) { + let tmp = yield this.putText(doc, box.content[k], styleCache, fontPairCache); + doc = tmp[0]; + styleCache = tmp[1]; + fontPairCache = tmp[2]; + } + } + else if (box.content !== null) { + yield doc.text(box.content, (box.x !== null ? box.x : undefined), (box.y !== null ? box.y : undefined)); } - page.drawLine({ - start: { x: i, y: 0 }, - end: { x: i, y: 1000 }, - thickness: 0.5, - color: (0, pdf_lib_1.rgb)(0.75, 0.2, 0.2), - opacity: 0.20, - }); } - pdfDoc.save(); - const pdfBytes = yield pdfDoc.save(); - fs.writeFileSync("blank.pdf", pdfBytes); + return [doc, styleCache, fontPairCache]; }); } - segmentedNodesToFrameBox(segmentedNodes, frame) { + ; + grid(doc) { + for (var j = 0; j < exports.A4_IN_PX.width; j += 5) { + if (j % 50 == 0) { + doc.save().fill('#000000') + .fontSize(8).text(j.toString(), j * 0.75, 50); + doc + .save() + .lineWidth(0.4) + .strokeColor("#dddddd") + .moveTo(j * 0.75, 0) + .lineTo(j * 0.75, 1000) + .stroke(); + } + doc + .save() + .lineWidth(0.2) + .strokeColor("#dddddd") + .moveTo(j * 0.75, 0) + .lineTo(j * 0.75, 1000) + .stroke(); + } + for (var i = 0; i < 1050; i += 5) { + if (i % 50 == 0) { + doc.save() + .fontSize(8).text(i.toString(), 50, i * 0.75); + doc + .save() + .lineWidth(0.4) + .strokeColor("#bbbbbb") + .moveTo(0, i * 0.75) + .lineTo(1000, i * 0.75) + .stroke(); + } + doc + .save() + .lineWidth(0.2) + .strokeColor("#bbbbbb") + .moveTo(0, i * 0.75) + .lineTo(1000, i * 0.75) + .stroke(); + } + doc + .save() + .moveTo(0, 200) + .lineTo(1000, 200) + .fill('#FF3300'); + } + /** + * make all the nest boxes's position fixed + * @param box the main boxes + * @returns the fixed boxes + */ + fixenBoxesPosition(box) { + var currX = (box.x !== null ? box.x : 0); // current x + var currY = (box.y !== null ? box.y : 0); // current y + if (Array.isArray(box.content)) { + for (var i = 0; i < box.content.length; i++) { + if (box.direction == Direction.LTR) { + box.content[i].x = currX; + box.content[i].y = currY; + let elementWidth = box.content[i].width; + if (elementWidth !== null) { + currX += elementWidth; + } + } + if (box.direction == Direction.TTB) { + box.content[i].x = currX; + box.content[i].y = currY; + let elementHeight = box.content[i].height; + if (elementHeight !== null) { + currY += elementHeight; + } + } + box.content[i] = this.fixenBoxesPosition(box.content[i]); + } + } + return box; + } + /** + * input a `segmentedNodes` and a layed `frame`, return a big `Box` that nodes is put in. + * @param segmentedNodes the segmentnodes to be input + * @param frame the frame to be layed out. + * @returns the big `Box`. + */ + segmentedNodesToFrameBoxAux(segmentedNodes, frame) { let baseLineskip = frame.baseLineskip; let boxArrayEmpty = []; let bigBox = { - x: frame.x, - y: frame.y, + x: (frame.x !== null ? frame.x * 0.75 : null), + y: (frame.y !== null ? frame.y * 0.75 : null), textStyle: frame.textStyle, direction: frame.direction, width: frame.width, @@ -415,7 +611,7 @@ class Clo { var bigBoxContent = boxArrayEmpty; let segmentedNodesFixed = segmentedNodes.map((x) => this.removeBreakPoints(x).flat()); let segmentedNodeUnglue = segmentedNodesFixed.map((x) => this.removeGlue(x, frame).flat()); - for (var i = 0; i < segmentedNodesFixed.length - 1; i++) { + for (var i = 0; i < segmentedNodeUnglue.length; i++) { var currentLineSkip = baseLineskip; var glyphMaxHeight = this.getGlyphMaxHeight(segmentedNodesFixed[i]); if (currentLineSkip === null || glyphMaxHeight > currentLineSkip) { @@ -433,6 +629,8 @@ class Clo { bigBoxContent.push(currentLineBox); } bigBox.content = bigBoxContent; + let bigBoxHeight = bigBoxContent.map((x) => x.height).reduce((x, y) => x + y, 0); + bigBox.height = bigBoxHeight; return bigBox; } /** @@ -468,7 +666,7 @@ class Clo { return 0; } }) .reduce((acc, cur) => acc + cur, 0); - let offset = frame.width - glueRemovedWidth; + let offset = frame.width * 0.75 - glueRemovedWidth; var res = []; for (var i = 0; i < nodeLine.length; i++) { var ele = nodeLine[i]; @@ -478,6 +676,7 @@ class Clo { y: null, textStyle: null, direction: frame.directionInsideLine, + //width : 0, // ragged width: ele.stretchFactor / sumStretchFactor * offset, height: 0, content: "",