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Italic angle is defined clockwise in CSS when it's counterclockwise in PDF

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Calixte Denizet 2021-05-28 11:06:11 +02:00
parent f587d5998e
commit 1b0006093d
1 changed files with 5 additions and 1 deletions
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6
src/core/document.js
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@ -901,7 +901,11 @@ class PDFDocument {
}
const fontFamily = descriptor.get("FontFamily");
const fontWeight = descriptor.get("FontWeight");
const italicAngle = descriptor.get("ItalicAngle");
// Angle is expressed in degrees counterclockwise in PDF
// when it's clockwise in CSS
// (see https://drafts.csswg.org/css-fonts-4/#valdef-font-style-oblique-angle)
const italicAngle = -descriptor.get("ItalicAngle");
const cssFontInfo = { fontFamily, fontWeight, italicAngle };
if (!validateCSSFont(cssFontInfo)) {