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Yet another error handling fix.

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This commit is contained in:
Martin Tůma 2017-04-15 11:47:30 +02:00
parent c2a30738cb
commit dfb69b2755
2 changed files with 8 additions and 11 deletions
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2
src/offlinemap.cpp
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@ -305,7 +305,7 @@ bool OfflineMap::getImageInfo(const QString &path)
} }
if (_imgPath.endsWith("ozf2")) { if (_imgPath.endsWith("ozf2")) {
if (_ozf.load(_imgPath)) _ozf.load(_imgPath);
_size = _ozf.size(); _size = _ozf.size();
} else { } else {
QImageReader img(_imgPath); QImageReader img(_imgPath);

15
src/ozf.cpp
View File

@ -26,17 +26,12 @@ bool OZF::readHeaders()
quint16 magic; quint16 magic;
quint32 separator; quint32 separator;
if (!readValue(magic) || magic != OZF2_MAGIC) { if (!readValue(magic) || magic != OZF2_MAGIC)
qWarning("%s: not a OZF2 file", qPrintable(_file.fileName()));
_file.close();
return false; return false;
}
if (!_file.seek(_file.pos() + 52)) if (!_file.seek(_file.pos() + 52))
return false; return false;
if (!readValue(separator)) if (!readValue(separator) || separator != OZF2_SEPARATOR)
return false;
if (separator != OZF2_SEPARATOR)
return false; return false;
return true; return true;
@ -81,9 +76,8 @@ bool OZF::readTileTable()
quint32 b = (bgr0 & 0x000000FF); quint32 b = (bgr0 & 0x000000FF);
quint32 g = (bgr0 & 0x0000FF00) >> 8; quint32 g = (bgr0 & 0x0000FF00) >> 8;
quint32 r = (bgr0 & 0x00FF0000) >> 16; quint32 r = (bgr0 & 0x00FF0000) >> 16;
quint32 argb = 0xFF000000 | r << 16 | g << 8 | b;
_palette[i] = argb; _palette[i] = 0xFF000000 | r << 16 | g << 8 | b;
} }
_tiles = QVector<quint32>(_dim.width() * _dim.height() + 1); _tiles = QVector<quint32>(_dim.width() * _dim.height() + 1);
@ -101,12 +95,15 @@ bool OZF::load(const QString &path)
return false; return false;
if (!readHeaders()) { if (!readHeaders()) {
qWarning("%s: not a OZF2 file", qPrintable(_file.fileName()));
_file.close(); _file.close();
return false; return false;
} }
if (!readTileTable()) { if (!readTileTable()) {
qWarning("%s: file format error", qPrintable(_file.fileName()));
_file.close(); _file.close();
_size = QSize();
return false; return false;
} }