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Various GPI symbol handling fixes

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This commit is contained in:
Martin Tůma 2021-10-18 23:10:09 +02:00
parent 5e36d564aa
commit 8e867851e9
1 changed files with 11 additions and 5 deletions
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16
src/data/gpiparser.cpp
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@ -537,7 +537,7 @@ static quint32 readPOI(DataStream &stream, QVector<Waypoint> &waypoints,
quint8 rs;
quint32 ds;
qint32 lat, lon;
quint16 s3, id;
quint16 s3, iconId = 0;
QList<TranslatedString> obj;
rs = stream.readRecordHeader(rh);
@ -553,8 +553,7 @@ static quint32 readPOI(DataStream &stream, QVector<Waypoint> &waypoints,
while (stream.status() == QDataStream::Ok && ds < rh.size) {
switch (stream.nextHeaderType()) {
case 4:
ds += readIconId(stream, id);
icons.append(QPair<int, quint16>(waypoints.size() - 1, id));
ds += readIconId(stream, iconId);
break;
case 10:
ds += readDescription(stream, waypoints.last());
@ -576,6 +575,8 @@ static quint32 readPOI(DataStream &stream, QVector<Waypoint> &waypoints,
}
}
icons.append(QPair<int, quint16>(waypoints.size() - 1, iconId));
if (ds != rh.size)
stream.setStatus(QDataStream::ReadCorruptData);
@ -659,11 +660,16 @@ static quint32 readSymbol(DataStream &stream, QPixmap &pixmap)
img.setColorTable(palette);
} else
img = QImage((uchar*)data.data(), width, height, lineSize,
QImage::Format_RGB32);
QImage::Format_RGBX8888).rgbSwapped();
pixmap = QPixmap::fromImage(img);
if (ds != rh.size)
/* There should be no more data left in the record, but broken GPI files
generated by pinns.co.uk tools exist in the wild so we read out
the record as a workaround for such files. */
if (ds > rh.size)
stream.setStatus(QDataStream::ReadCorruptData);
else if (ds < rh.size)
stream.skipRawData(rh.size - ds);
return rs + rh.size;
}