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Fix #1028

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This commit is contained in:
m-holger 2023-09-05 13:34:03 +01:00
parent 8fac58cd3b
commit fb504ce913
3 changed files with 811 additions and 12 deletions
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22
libqpdf/QPDF.cc
View File

@ -2058,27 +2058,27 @@ QPDF::reserveObjects(QPDFObjectHandle foreign, ObjCopier& obj_copier, bool top)
if (foreign.isIndirect()) { if (foreign.isIndirect()) {
QPDFObjGen foreign_og(foreign.getObjGen()); QPDFObjGen foreign_og(foreign.getObjGen());
if (!obj_copier.visiting.add(foreign_og)) {
QTC::TC("qpdf", "QPDF loop reserving objects");
return;
}
if (obj_copier.object_map.count(foreign_og) > 0) { if (obj_copier.object_map.count(foreign_og) > 0) {
QTC::TC("qpdf", "QPDF already reserved object"); QTC::TC("qpdf", "QPDF already reserved object");
if (obj_copier.visiting.count(foreign_og)) { if (!(top && foreign.isPageObject() && obj_copier.object_map[foreign_og].isNull())) {
QTC::TC("qpdf", "QPDF loop reserving objects"); obj_copier.visiting.erase(foreign);
return;
} }
return; } else {
} QTC::TC("qpdf", "QPDF copy indirect");
if (!obj_copier.visiting.add(foreign_og)) {
return;
}
QTC::TC("qpdf", "QPDF copy indirect");
if (obj_copier.object_map.count(foreign_og) == 0) {
obj_copier.object_map[foreign_og] = obj_copier.object_map[foreign_og] =
foreign.isStream() ? newStream() : newIndirectNull(); foreign.isStream() ? newStream() : newIndirectNull();
if ((!top) && foreign.isPageObject()) { if ((!top) && foreign.isPageObject()) {
QTC::TC("qpdf", "QPDF not crossing page boundary"); QTC::TC("qpdf", "QPDF not crossing page boundary");
obj_copier.visiting.erase(foreign); obj_copier.visiting.erase(foreign_og);
return; return;
} }
obj_copier.to_copy.push_back(foreign);
} }
obj_copier.to_copy.push_back(foreign);
} }
if (foreign_tc == ::ot_array) { if (foreign_tc == ::ot_array) {

11
qpdf/qtest/copy-annotations.test
View File

@ -14,7 +14,7 @@ cleanup();
my $td = new TestDriver('copy-annotations'); my $td = new TestDriver('copy-annotations');
my $n_tests = 43; my $n_tests = 45;
$td->runtest("complex copy annotations", $td->runtest("complex copy annotations",
{$td->COMMAND => {$td->COMMAND =>
@ -206,5 +206,14 @@ $td->runtest("check output",
{$td->FILE => "split-out-1.pdf"}, {$td->FILE => "split-out-1.pdf"},
{$td->FILE => "direct-dr-out.pdf"}); {$td->FILE => "direct-dr-out.pdf"});
$td->runtest("Foreign link annotations",
{$td->COMMAND =>
"qpdf --empty --pages link-annots.pdf -- --qdf --static-id --no-original-object-ids a.pdf"},
{$td->STRING => "", $td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("check output",
{$td->FILE => "link-annots.pdf"},
{$td->FILE => "a.pdf"});
cleanup(); cleanup();
$td->report($n_tests); $td->report($n_tests);

790
qpdf/qtest/qpdf/link-annots.pdf Normal file
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