RawImage CrwDecoder::decodeRawInternal() {
CiffEntry *sensorInfo = mRootIFD->getEntryRecursive(CIFF_SENSORINFO);
if (!sensorInfo || sensorInfo->count < 6 || sensorInfo->type != CIFF_SHORT)
ThrowRDE("CRW: Couldn't find image sensor info");
uint32 width = sensorInfo->getShort(1);
uint32 height = sensorInfo->getShort(2);
CiffEntry *decTable = mRootIFD->getEntryRecursive(CIFF_DECODERTABLE);
if (!decTable || decTable->type != CIFF_LONG)
ThrowRDE("CRW: Couldn't find decoder table");
uint32 dec_table = decTable->getInt();
if (dec_table > 2)
ThrowRDE("CRW: Unknown decoder table %d", dec_table);
mRaw->dim = iPoint2D(width, height);
mRaw->createData();
bool lowbits = hints.find("no_decompressed_lowbits") == hints.end();
decodeRaw(lowbits, dec_table, width, height);
return mRaw;
}
CiffEntry* CiffIFD::getEntryRecursiveWhere(CiffTag tag, uint32 isValue) {
if (mEntry.find(tag) != mEntry.end()) {
CiffEntry* entry = mEntry[tag];
if (entry->isInt() && entry->getInt() == isValue)
return entry;
}
for (vector<CiffIFD*>::iterator i = mSubIFD.begin(); i != mSubIFD.end(); ++i) {
CiffEntry* entry = (*i)->getEntryRecursive(tag);
if (entry)
return entry;
}
return NULL;
}
vector<CiffIFD*> CiffIFD::getIFDsWithTagWhere(CiffTag tag, uint32 isValue) {
vector<CiffIFD*> matchingIFDs;
if (mEntry.find(tag) != mEntry.end()) {
CiffEntry* entry = mEntry[tag];
if (entry->isInt() && entry->getInt() == isValue)
matchingIFDs.push_back(this);
}
for (vector<CiffIFD*>::iterator i = mSubIFD.begin(); i != mSubIFD.end(); ++i) {
vector<CiffIFD*> t = (*i)->getIFDsWithTag(tag);
for (uint32 j = 0; j < t.size(); j++) {
matchingIFDs.push_back(t[j]);
}
}
return matchingIFDs;
}