]> git.kianting.info Git - clo/blobdiff - src/libclo/index.js
optimize the speed
[clo] / src / libclo / index.js
index 17b36b41752e06493d9c785c3002b787ab2be69d..9d9e8a8ccad312a1d0ac40bbc6c07e02c4e83970 100644 (file)
@@ -36,8 +36,7 @@ exports.Clo = exports.calculateTextWidthHeightAux = exports.calculateTextWidthHe
 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 PDFDocument = require('pdfkit');
 const fs = __importStar(require("fs"));
 /**
  * TYPES
@@ -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 +302,14 @@ function calculateTextWidthHeightAux(element, style) {
                 };
                 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();
             }
@@ -303,14 +317,14 @@ function calculateTextWidthHeightAux(element, style) {
                 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];
         }
     });
 }
@@ -360,52 +374,154 @@ class Clo {
                 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);
             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 = breakLineAlgorithms.segmentedNodes(a, this.attrs.defaultFrameStyle.width);
+            let segmentedNodesToBox = this.segmentedNodesToFrameBox(segmentedNodes, this.attrs.defaultFrameStyle);
+            let boxesFixed = this.fixenBoxesPosition(segmentedNodesToBox);
             // 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(i.toString(), { x: 50, y: j });
+            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;
                 }
-                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,
-                });
-            }
-            for (var i = 0; i < 1000; i += 5) {
-                if (i % 50 == 0) {
-                    page.drawText(i.toString(), { x: i, y: 50 });
+                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));
                 }
-                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];
         });
     }
+    ;
+    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,
-            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 +531,7 @@ 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) {
@@ -468,7 +584,7 @@ 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 +594,7 @@ class Clo {
                     y: null,
                     textStyle: null,
                     direction: frame.directionInsideLine,
+                    //width : 0, // ragged
                     width: ele.stretchFactor / sumStretchFactor * offset,
                     height: 0,
                     content: "",