C++ (Cpp) TiffIFD::getEntryRecursive Examples

Example #1

File: X3fDecoder.cpp Project: ChunHungLiu/PhotoFlow

// readName will read the make and model of the image.
//
// If the name is read, it will return true, and the make/model
// will be available in camera_make/camera_model members.
boolean X3fDecoder::readName() {
  if (camera_make.length() != 0 && camera_model.length() != 0) {
    return ((boolean)TRUE);
  }

  // Read from properties
  if (hasProp("CAMMANUF") && hasProp("CAMMODEL")) {
    camera_make = getProp("CAMMANUF");
    camera_model = getProp("CAMMODEL");
    return ((boolean)TRUE);
  }

  // See if we can find EXIF info and grab the name from there.
  // This is needed for Sigma DP2 Quattro and possibly later cameras.
  vector<X3fImage>::iterator img = mImages.begin();
  for (; img !=  mImages.end(); img++) {
    X3fImage cimg = *img;
    if (cimg.type == 2 && cimg.format == 0x12 && cimg.dataSize > 100) {
      if (!mFile->isValid(cimg.dataOffset + cimg.dataSize - 1)) {
        return ((boolean)FALSE);
      }
      ByteStream i(mFile->getDataWrt(cimg.dataOffset), cimg.dataSize);
      // Skip jpeg header
      i.skipBytes(6);
      if (i.getInt() == 0x66697845) { // Match text 'Exif'
        TiffParser t(new FileMap(mFile->getDataWrt(cimg.dataOffset+12), i.getRemainSize()));
        try {
          t.parseData();
        } catch (...) {
          return ((boolean)FALSE);
        }
        TiffIFD *root = t.RootIFD();
        try {
          if (root->hasEntryRecursive(MAKE) && root->hasEntryRecursive(MODEL)) {
            camera_model = root->getEntryRecursive(MODEL)->getString();
            camera_make = root->getEntryRecursive(MAKE)->getString();
            mProperties.props["CAMMANUF"] = root->getEntryRecursive(MAKE)->getString();
            mProperties.props["CAMMODEL"] = root->getEntryRecursive(MODEL)->getString();
            return ((boolean)TRUE);
          }
        } catch (...) {}
        return ((boolean)FALSE);
      }
    }
  }
  return ((boolean)FALSE);
}

Example #2

File: KdcDecoder.cpp Project: AdamMajer/darktable

void KdcDecoder::decodeMetaDataInternal(CameraMetaData *meta) {
  vector<TiffIFD*> data = mRootIFD->getIFDsWithTag(MODEL);

  if (data.empty())
    ThrowRDE("KDC Decoder: Model name found");
  if (!data[0]->hasEntry(MAKE))
    ThrowRDE("KDC Decoder: Make name not found");

  string make = data[0]->getEntry(MAKE)->getString();
  string model = data[0]->getEntry(MODEL)->getString();
  setMetaData(meta, make, model, "", 0);

  // Try the kodak hidden IFD for WB
  if (mRootIFD->hasEntryRecursive(KODAK_IFD2)) {
    TiffEntry *ifdoffset = mRootIFD->getEntryRecursive(KODAK_IFD2);
    TiffIFD *kodakifd = NULL;
    try {
      if (mRootIFD->endian == getHostEndianness())
        kodakifd = new TiffIFD(mFile, ifdoffset->getInt());
      else
        kodakifd = new TiffIFDBE(mFile, ifdoffset->getInt());

     if (kodakifd && kodakifd->hasEntryRecursive(KODAK_KDC_WB)) {
        TiffEntry *wb = kodakifd->getEntryRecursive(KODAK_KDC_WB);
        if (wb->count == 3) {
          const uint32 *tmp = wb->getIntArray();
          mRaw->metadata.wbCoeffs[0] = (float)tmp[0];
          mRaw->metadata.wbCoeffs[1] = (float)tmp[1];
          mRaw->metadata.wbCoeffs[2] = (float)tmp[2];
        }
      }
    } catch(TiffParserException e) {
      mRaw->setError(e.what());
    }
    if (kodakifd)
      delete kodakifd;
  }

  // Use the normal WB if available
  if (mRootIFD->hasEntryRecursive(KODAKWB)) {
    TiffEntry *wb = mRootIFD->getEntryRecursive(KODAKWB);
    if (wb->count == 734 || wb->count == 1502) {
      const uchar8 *tmp = wb->getData();
      mRaw->metadata.wbCoeffs[0] = (float)((((ushort16) tmp[148])<<8)|tmp[149])/256.0f;
      mRaw->metadata.wbCoeffs[1] = 1.0f;
      mRaw->metadata.wbCoeffs[2] = (float)((((ushort16) tmp[150])<<8)|tmp[151])/256.0f;
    }
  }
}