Beanz/pdf.js
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

In the struct tree a kid can be a reference to an MCID entry (issue #19694)

Browse Source
This commit is contained in:
Calixte Denizet 2025-03-21 12:49:56 +01:00
parent a8c77633a1
commit dee80cb082
1 changed files with 12 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
src/core/struct_tree.js
View File

@ -565,7 +565,10 @@ class StructElementNode {
const kids = this.dict.get("K"); const kids = this.dict.get("K");
if (Array.isArray(kids)) { if (Array.isArray(kids)) {
for (const kid of kids) { for (const kid of kids) {
const element = this.parseKid(pageObjId, kid); const element = this.parseKid(
pageObjId,
this.dict.xref.fetchIfRef(kid)
);
if (element) { if (element) {
this.kids.push(element); this.kids.push(element);
} }
@ -592,33 +595,26 @@ class StructElementNode {
}); });
} }
// Find the dictionary for the kid. if (!(kid instanceof Dict)) {
let kidDict = null;
if (kid instanceof Ref) {
kidDict = this.dict.xref.fetch(kid);
} else if (kid instanceof Dict) {
kidDict = kid;
}
if (!kidDict) {
return null; return null;
} }
const pageRef = kidDict.getRaw("Pg");
const pageRef = kid.getRaw("Pg");
if (pageRef instanceof Ref) { if (pageRef instanceof Ref) {
pageObjId = pageRef.toString(); pageObjId = pageRef.toString();
} }
const type = const type = kid.get("Type") instanceof Name ? kid.get("Type").name : null;
kidDict.get("Type") instanceof Name ? kidDict.get("Type").name : null;
if (type === "MCR") { if (type === "MCR") {
if (this.tree.pageDict.objId !== pageObjId) { if (this.tree.pageDict.objId !== pageObjId) {
return null; return null;
} }
const kidRef = kidDict.getRaw("Stm"); const kidRef = kid.getRaw("Stm");
return new StructElement({ return new StructElement({
type: StructElementType.STREAM_CONTENT, type: StructElementType.STREAM_CONTENT,
refObjId: kidRef instanceof Ref ? kidRef.toString() : null, refObjId: kidRef instanceof Ref ? kidRef.toString() : null,
pageObjId, pageObjId,
mcid: kidDict.get("MCID"), mcid: kid.get("MCID"),
}); });
} }
@ -626,7 +622,7 @@ class StructElementNode {
if (this.tree.pageDict.objId !== pageObjId) { if (this.tree.pageDict.objId !== pageObjId) {
return null; return null;
} }
const kidRef = kidDict.getRaw("Obj"); const kidRef = kid.getRaw("Obj");
return new StructElement({ return new StructElement({
type: StructElementType.OBJECT, type: StructElementType.OBJECT,
refObjId: kidRef instanceof Ref ? kidRef.toString() : null, refObjId: kidRef instanceof Ref ? kidRef.toString() : null,
@ -636,7 +632,7 @@ class StructElementNode {
return new StructElement({ return new StructElement({
type: StructElementType.ELEMENT, type: StructElementType.ELEMENT,
dict: kidDict, dict: kid,
}); });
} }
} }