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getTextDimensions should automatically infer numberOfLines if maxTextWidth is provided #2824

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merged 7 commits into from Aug 10, 2020
Merged

getTextDimensions should automatically infer numberOfLines if maxTextWidth is provided #2824

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6a6c4ce
Now maxTextWidth can be specified and the number of lines can automat…
Nnoerregaard Jul 26, 2020
0ef7aa2
Change the name of maxTextWidth to maxWidth so that it is consistent …
Nnoerregaard Jul 27, 2020
cb495b9
Changed to using splitTextToSize and updated the test to fit the actu…
Nnoerregaard Jul 30, 2020
facb6ef
Changed to using splitTextToSize for arrays as well to stay consistent
Nnoerregaard Jul 30, 2020
dbe4354
Update tests and change cell.js according to PR feedback
Jul 31, 2020
37e474a
Now it should work exactly the same as the text method
Aug 2, 2020
ee42ba8
Merge branch 'master' into handleMultilineText
HackbrettXXX Aug 10, 2020
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21 changes: 17 additions & 4 deletions src/modules/cell.js
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Expand Up @@ -193,15 +193,28 @@ import { jsPDF } from "../jspdf.js";
);
}

text = Array.isArray(text) ? text : [text];

const maxWidth = options.maxWidth
if (maxWidth > 0){
if (typeof text === 'string'){
text = this.splitTextToSize(text, maxWidth)
} else if (Object.prototype.toString.call(text) === "[object Array]") {
text = this.splitTextToSize(text.join(" "), maxWidth)
}
} else {
// Without the else clause, it will not work if you do not pass along maxWidth
text = Array.isArray(text) ? text : [text];
}

for (var i = 0; i < text.length; i++) {
tempWidth = this.getStringUnitWidth(text[i], { font: font }) * fontSize;
if (width < tempWidth) {
width = tempWidth;
}
if (width !== 0) {
amountOfLines = text.length;
}
}

if (width !== 0) {
amountOfLines = text.length;
}

width = width / scaleFactor;
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12 changes: 6 additions & 6 deletions test/specs/cell.spec.js
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Expand Up @@ -10,16 +10,16 @@ describe("Module: Cell", () => {
expect(
doc.getTextDimensions(doc.splitTextToSize("Octocat loves jsPDF", 50)).h
).toEqual(71.19999999999999);
expect(doc.getTextDimensions("Octocat loves jsPDF").w).toEqual(144.48000000000002);
expect(doc.getTextDimensions("Octocat loves jsPDF").h).toEqual(16);
expect(
doc.getTextDimensions(doc.splitTextToSize("Octocat loves jsPDF", 150)).w
doc.getTextDimensions("Octocat loves jsPDF", { maxWidth: 150}).w
).toEqual(144.48000000000002);
expect(
doc.getTextDimensions(doc.splitTextToSize("Octocat loves jsPDF", 150)).h
doc.getTextDimensions("Octocat loves jsPDF", { maxWidth: 150 }).h
).toEqual(16);
expect(doc.getTextDimensions("Octocat loves jsPDF").w).toEqual(
144.48000000000002
);
expect(doc.getTextDimensions("Octocat loves jsPDF").h).toEqual(16);
expect(doc.getTextDimensions("Octocat loves jsPDF", {maxWidth: 100 }).h).toEqual(34.4);
expect(doc.getTextDimensions("Octocat loves jsPDF", {maxWidth: 100 }).w).toEqual(96.64000000000001);
expect(doc.getTextDimensions("").w).toEqual(0);
expect(doc.getTextDimensions("").h).toEqual(0);
expect(doc.getTextDimensions([""]).w).toEqual(0);
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