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Merge pull request #15592 from calixteman/1794403

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[Annotation] Take the border into account when computing the font size (bug 1794403)
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calixteman 2022-10-19 12:33:11 +02:00 committed by GitHub
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1 changed files with 13 additions and 4 deletions
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17
src/display/annotation_layer.js
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@ -974,17 +974,26 @@ class WidgetAnnotationElement extends AnnotationElement {
// If the height is "big" then it could lead to a too big font size
// so in this case use the one we've in the pdf (hence the min).
let computedFontSize;
const BORDER_SIZE = 2;
const roundToOneDecimal = x => Math.round(10 * x) / 10;
if (this.data.multiLine) {
const height = Math.abs(this.data.rect[3] - this.data.rect[1]);
const height = Math.abs(
this.data.rect[3] - this.data.rect[1] - BORDER_SIZE
);
const numberOfLines = Math.round(height / (LINE_FACTOR * fontSize)) || 1;
const lineHeight = height / numberOfLines;
computedFontSize = Math.min(
fontSize,
Math.round(lineHeight / LINE_FACTOR)
roundToOneDecimal(lineHeight / LINE_FACTOR)
);
} else {
const height = Math.abs(this.data.rect[3] - this.data.rect[1]);
computedFontSize = Math.min(fontSize, Math.round(height / LINE_FACTOR));
const height = Math.abs(
this.data.rect[3] - this.data.rect[1] - BORDER_SIZE
);
computedFontSize = Math.min(
fontSize,
roundToOneDecimal(height / LINE_FACTOR)
);
}
style.fontSize = `calc(${computedFontSize}px * var(--scale-factor))`;