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Don't replace Acroform dictionary if nothing has changed when saving (bug 1844572)

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This commit is contained in:
Calixte Denizet 2023-07-20 17:05:52 +02:00
parent 1a69b6ad64
commit 33fdec1392
5 changed files with 38 additions and 3 deletions
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8
src/core/xref.js
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@ -33,6 +33,8 @@ import { BaseStream } from "./base_stream.js";
import { CipherTransformFactory } from "./crypto.js";
class XRef {
#firstXRefStmPos = null;
constructor(stream, pdfManager) {
this.stream = stream;
this.pdfManager = pdfManager;
@ -705,6 +707,7 @@ class XRef {
// (possible infinite recursion)
this._xrefStms.add(obj);
this.startXRefQueue.push(obj);
this.#firstXRefStmPos ??= obj;
}
} else if (Number.isInteger(obj)) {
// Parse in-stream XRef
@ -754,7 +757,10 @@ class XRef {
}
get lastXRefStreamPos() {
return this._xrefStms.size > 0 ? Math.max(...this._xrefStms) : null;
return (
this.#firstXRefStmPos ??
(this._xrefStms.size > 0 ? Math.max(...this._xrefStms) : null)
);
}
getEntry(i) {