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;
const canva_1 = require("../canva");
const fontkit = __importStar(require("fontkit"));
-const util = __importStar(require("node:util"));
const breakLines = __importStar(require("./breakLines"));
+const PDFDocument = require('pdfkit');
+const fs = __importStar(require("fs"));
/**
* TYPES
*/
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;
* @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");
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,
};
result.push(item);
}
- return result;
+ return [result, styleCache, fontCache];
}
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();
}
original: beforeNewLine,
newLined: afterNewLine,
};
- return breakPointNode;
+ return [breakPointNode, styleCache, fontCache];
}
else if (element[0] == "hglue" && !Array.isArray(element[1])) {
let hGlue = { stretchFactor: parseFloat(element[1]) };
- return hGlue;
+ return [hGlue, styleCache, fontCache];
}
else {
- return calculateTextWidthHeight(element, style);
+ return [yield calculateTextWidthHeight(element, style), styleCache, fontCache];
}
});
}
preprocessed = this.preprocessors[i](preprocessed, this);
}
// generate the width and height of the stream
- let defaultFontStyle = this.attrs["defaultFrameStyle"].textStyle;
+ let defaultFontStyle = this.attrs.defaultFrameStyle.textStyle;
let a = yield calculateTextWidthHeight(preprocessed, defaultFontStyle);
- // TODO
- console.log(util.inspect(a, true, 100));
- console.log(breakLines.totalCost(a, 3, 100));
+ let breakLineAlgorithms = new breakLines.BreakLineAlgorithm();
+ let segmentedNodes = breakLineAlgorithms.segmentedNodes(a, this.attrs.defaultFrameStyle.width);
+ let segmentedNodesToBox = this.segmentedNodesToFrameBox(segmentedNodes, this.attrs.defaultFrameStyle);
+ let boxesFixed = this.fixenBoxesPosition(segmentedNodesToBox);
+ // generate pdf
+ const doc = new PDFDocument({ size: 'A4' });
+ doc.pipe(fs.createWriteStream('output.pdf'));
+ this.grid(doc);
+ let styleCache = {};
+ let fontPairCache = { path: "", psName: "" };
+ yield this.putText(doc, boxesFixed, styleCache, fontPairCache);
+ // putChar
+ doc.end();
});
}
+ 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;
+ if (fontPair.path.match(/\.ttc$/g)) {
+ doc
+ .font(fontPair.path, fontPair.psName)
+ .fontSize(box.textStyle.size * 0.75);
+ }
+ else {
+ doc
+ .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));
+ }
+ }
+ return [doc, styleCache, fontPairCache];
+ });
+ }
+ ;
+ 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`.
+ */
+ segmentedNodesToFrameBox(segmentedNodes, frame) {
+ let baseLineskip = frame.baseLineskip;
+ let boxArrayEmpty = [];
+ let bigBox = {
+ 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,
+ height: frame.height,
+ content: boxArrayEmpty,
+ };
+ 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 < segmentedNodeUnglue.length; i++) {
+ var currentLineSkip = baseLineskip;
+ var glyphMaxHeight = this.getGlyphMaxHeight(segmentedNodesFixed[i]);
+ if (currentLineSkip === null || glyphMaxHeight > currentLineSkip) {
+ currentLineSkip = glyphMaxHeight;
+ }
+ var currentLineBox = {
+ x: null,
+ y: null,
+ textStyle: exports.defaultTextStyle,
+ direction: frame.directionInsideLine,
+ width: frame.width,
+ height: currentLineSkip,
+ content: segmentedNodeUnglue[i],
+ };
+ bigBoxContent.push(currentLineBox);
+ }
+ bigBox.content = bigBoxContent;
+ return bigBox;
+ }
+ /**
+ * get the max height of the glyph`[a, b, c]`
+ * @param nodeLine the node line [a, b, c, ...]
+ * @returns
+ */
+ getGlyphMaxHeight(nodeLine) {
+ let segmentedNodeLineHeight = nodeLine.map((x) => { if ("height" in x && x.height > 0.0) {
+ return x.height;
+ }
+ else {
+ return 0.0;
+ } });
+ let maxHeight = Math.max(...segmentedNodeLineHeight);
+ return maxHeight;
+ }
+ removeGlue(nodeLine, frame) {
+ let breakLineAlgorithms = new breakLines.BreakLineAlgorithm();
+ let glueRemoved = nodeLine.filter((x) => !breakLineAlgorithms.isHGlue(x));
+ let onlyGlue = nodeLine.filter((x) => breakLineAlgorithms.isHGlue(x));
+ let sumStretchFactor = onlyGlue.map((x) => { if ("stretchFactor" in x) {
+ return x.stretchFactor;
+ }
+ else {
+ return 0;
+ } })
+ .reduce((acc, cur) => acc + cur, 0);
+ let glueRemovedWidth = glueRemoved.map((x) => { if ("width" in x) {
+ return x.width;
+ }
+ else {
+ return 0;
+ } })
+ .reduce((acc, cur) => acc + cur, 0);
+ let offset = frame.width * 0.75 - glueRemovedWidth;
+ var res = [];
+ for (var i = 0; i < nodeLine.length; i++) {
+ var ele = nodeLine[i];
+ if (breakLineAlgorithms.isHGlue(ele)) {
+ let tmp = {
+ x: null,
+ y: null,
+ textStyle: null,
+ direction: frame.directionInsideLine,
+ //width : 0, // ragged
+ width: ele.stretchFactor / sumStretchFactor * offset,
+ height: 0,
+ content: "",
+ };
+ res.push(tmp);
+ }
+ else {
+ res.push(ele);
+ }
+ }
+ return res;
+ }
+ /**
+ * remove breakpoints
+ * @param boxitemline boxitem in a line with a breakpoint
+ * @returns boxitemline with break points removed
+ */
+ removeBreakPoints(boxitemline) {
+ var res = [];
+ let breakLineAlgorithms = new breakLines.BreakLineAlgorithm();
+ for (var i = 0; i < boxitemline.length; i++) {
+ let ele = boxitemline[i];
+ if (breakLineAlgorithms.isBreakPoint(ele)) {
+ if (i == boxitemline.length - 1) {
+ res.push(ele.newLined);
+ }
+ else {
+ res.push(ele.original);
+ }
+ }
+ else {
+ res.push(ele);
+ }
+ }
+ return res;
+ }
}
exports.Clo = Clo;
/*
projects / clo / blobdiff