Method parseCFA

src/librawspeed/decoders/OrfDecoder.cpp:175–211

}

void OrfDecoder::parseCFA() {
  if (!mRootIFD->hasEntryRecursive(EXIFCFAPATTERN))
    ThrowRDE("No EXIFCFAPATTERN entry found!");

  TiffEntry* CFA = mRootIFD->getEntryRecursive(EXIFCFAPATTERN);
  if (CFA->type != TiffDataType::TIFF_UNDEFINED || CFA->count != 8) {
    ThrowRDE("Bad EXIFCFAPATTERN entry (type %u, count %u).", CFA->type,
             CFA->count);
  }

  iPoint2D cfaSize(CFA->getU16(0), CFA->getU16(1));
  if (cfaSize != iPoint2D{2, 2})
    ThrowRDE("Bad CFA size: (%i, %i)", cfaSize.x, cfaSize.y);

  mRaw->cfa.setSize(cfaSize);

  auto int2enum = [](uint8_t i) -> CFAColor {
    switch (i) {
    case 0:
      return CFA_RED;
    case 1:
      return CFA_GREEN;
    case 2:
      return CFA_BLUE;
    default:
      ThrowRDE("Unexpected CFA color: %u", i);
    }
  };

  for (int y = 0; y < cfaSize.y; y++) {
    for (int x = 0; x < cfaSize.x; x++) {
      uint8_t c1 = CFA->getByte(4 + x + y * cfaSize.x);
      CFAColor c2 = int2enum(c1);
      mRaw->cfa.setColorAt(iPoint2D(x, y), c2);
    }
  }
}

void OrfDecoder::decodeMetaDataInternal(const CameraMetaData* meta) {
  int iso = 0;