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Make something similar to Acrobat when Underline annotation has no appearance

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This commit is contained in:
Calixte Denizet 2023-05-06 20:25:01 +02:00
parent 4d3dfe254f
commit 6c0fdc6ec2
4 changed files with 13 additions and 3 deletions
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7
src/core/annotation.js
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@ -4230,15 +4230,16 @@ class UnderlineAnnotation extends MarkupAnnotation {
: [0, 0, 0];
const strokeAlpha = dict.get("CA");
// The values 0.571 and 1.3 below corresponds to what Acrobat is doing.
this._setDefaultAppearance({
xref,
extra: "[] 0 d 1 w",
extra: "[] 0 d 0.571 w",
strokeColor,
strokeAlpha,
pointsCallback: (buffer, points) => {
buffer.push(
`${points[2].x} ${points[2].y} m`,
`${points[3].x} ${points[3].y} l`,
`${points[2].x} ${points[2].y + 1.3} m`,
`${points[3].x} ${points[3].y + 1.3} l`,
"S"
);
return [points[0].x, points[1].x, points[3].y, points[1].y];