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C++ TiffEntry::getData方法代码示例

本文整理汇总了C++中TiffEntry::getData方法的典型用法代码示例。如果您正苦于以下问题：C++ TiffEntry::getData方法的具体用法？C++ TiffEntry::getData怎么用？C++ TiffEntry::getData使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类TiffEntry的用法示例。


在下文中一共展示了TiffEntry::getData方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: decodeMetaDataInternal

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;
    }
  }
}
开发者ID:AdamMajer，项目名称:darktable，代码行数:49，代码来源:KdcDecoder.cpp

示例2: decodeMetaDataInternal

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);

  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;
    }
  }
}
开发者ID:SenorNaddy，项目名称:darktable，代码行数:22，代码来源:KdcDecoder.cpp

示例3: decodeRawInternal

RawImage NefDecoder::decodeRawInternal() {
  vector<TiffIFD*> data = mRootIFD->getIFDsWithTag(CFAPATTERN);

  if (data.empty())
    ThrowRDE("NEF Decoder: No image data found");

  TiffIFD* raw = data[0];
  int compression = raw->getEntry(COMPRESSION)->getInt();

  data = mRootIFD->getIFDsWithTag(MODEL);

  if (data.empty())
    ThrowRDE("NEF Decoder: No model data found");

  TiffEntry *offsets = raw->getEntry(STRIPOFFSETS);
  TiffEntry *counts = raw->getEntry(STRIPBYTECOUNTS);

  if (!data[0]->getEntry(MODEL)->getString().compare("NIKON D100 ")) {  /**Sigh**/
    if (!mFile->isValid(offsets->getInt()))
      ThrowRDE("NEF Decoder: Image data outside of file.");
    if (!D100IsCompressed(offsets->getInt())) {
      DecodeD100Uncompressed();
      return mRaw;
    }
  }

  if (compression == 1 || (hints.find(string("force_uncompressed")) != hints.end()) ||
      NEFIsUncompressed(raw)) {
    DecodeUncompressed();
    return mRaw;
  }

  if (NEFIsUncompressedRGB(raw)) {
    DecodeSNefUncompressed();
    return mRaw;
  }

  if (offsets->count != 1) {
    ThrowRDE("NEF Decoder: Multiple Strips found: %u", offsets->count);
  }
  if (counts->count != offsets->count) {
    ThrowRDE("NEF Decoder: Byte count number does not match strip size: count:%u, strips:%u ", counts->count, offsets->count);
  }
  if (!mFile->isValid(offsets->getInt(), counts->getInt()))
    ThrowRDE("NEF Decoder: Invalid strip byte count. File probably truncated.");


  if (34713 != compression)
    ThrowRDE("NEF Decoder: Unsupported compression");

  uint32 width = raw->getEntry(IMAGEWIDTH)->getInt();
  uint32 height = raw->getEntry(IMAGELENGTH)->getInt();
  uint32 bitPerPixel = raw->getEntry(BITSPERSAMPLE)->getInt();

  mRaw->dim = iPoint2D(width, height);
  mRaw->createData();

  data = mRootIFD->getIFDsWithTag((TiffTag)0x8c);

  if (data.empty())
    ThrowRDE("NEF Decoder: Decompression info tag not found");

  TiffEntry *meta;
  if (data[0]->hasEntry((TiffTag)0x96)) {
    meta = data[0]->getEntry((TiffTag)0x96);
  } else {
    meta = data[0]->getEntry((TiffTag)0x8c);  // Fall back
  }

  try {
    NikonDecompressor decompressor(mFile, mRaw);
    decompressor.uncorrectedRawValues = uncorrectedRawValues;
    ByteStream* metastream;
    if (getHostEndianness() == data[0]->endian)
      metastream = new ByteStream(meta->getData(), meta->count);
    else
      metastream = new ByteStreamSwap(meta->getData(), meta->count);

    decompressor.DecompressNikon(metastream, width, height, bitPerPixel, offsets->getInt(), counts->getInt());

    delete metastream;
  } catch (IOException &e) {
    mRaw->setError(e.what());
    // Let's ignore it, it may have delivered somewhat useful data.
  }

  return mRaw;
}
开发者ID:AdamMajer，项目名称:darktable，代码行数:88，代码来源:NefDecoder.cpp

示例4: decodeRawInternal

RawImage NefDecoder::decodeRawInternal() {
  vector<TiffIFD*> data = mRootIFD->getIFDsWithTag(CFAPATTERN);

  if (data.empty())
    ThrowRDE("NEF Decoder: No image data found");

  TiffIFD* raw = data[0];
  int compression = raw->getEntry(COMPRESSION)->getInt();

  data = mRootIFD->getIFDsWithTag(MODEL);

  if (data.empty())
    ThrowRDE("NEF Decoder: No model data found");

  TiffEntry *offsets = raw->getEntry(STRIPOFFSETS);
  TiffEntry *counts = raw->getEntry(STRIPBYTECOUNTS);

  if (!data[0]->getEntry(MODEL)->getString().compare("NIKON D100 ")) {  /**Sigh**/
    if (!mFile->isValid(offsets->getInt()))
      ThrowRDE("NEF Decoder: Image data outside of file.");
    if (!D100IsCompressed(offsets->getInt())) {
      DecodeD100Uncompressed();
      return mRaw;
    }
  }

  if (compression == 1) {
    DecodeUncompressed();
    return mRaw;
  }

  if (offsets->count != 1) {
    ThrowRDE("NEF Decoder: Multiple Strips found: %u", offsets->count);
  }
  if (counts->count != offsets->count) {
    ThrowRDE("NEF Decoder: Byte count number does not match strip size: count:%u, strips:%u ", counts->count, offsets->count);
  }
  if (!mFile->isValid(offsets->getInt() + counts->getInt()))
    ThrowRDE("NEF Decoder: Invalid strip byte count. File probably truncated.");


  if (34713 != compression)
    ThrowRDE("NEF Decoder: Unsupported compression");

  uint32 width = raw->getEntry(IMAGEWIDTH)->getInt();
  uint32 height = raw->getEntry(IMAGELENGTH)->getInt();
  uint32 bitPerPixel = raw->getEntry(BITSPERSAMPLE)->getInt();

  mRaw->dim = iPoint2D(width, height);
  mRaw->createData();

  data = mRootIFD->getIFDsWithTag(MAKERNOTE);
  if (data.empty())
    ThrowRDE("NEF Decoder: No EXIF data found");

  TiffIFD* exif = data[0];
  TiffEntry *makernoteEntry = exif->getEntry(MAKERNOTE);
  const uchar8* makernote = makernoteEntry->getData();
  FileMap makermap((uchar8*)&makernote[10], mFile->getSize() - makernoteEntry->getDataOffset() - 10);
  TiffParser makertiff(&makermap);
  makertiff.parseData();

  data = makertiff.RootIFD()->getIFDsWithTag((TiffTag)0x8c);

  if (data.empty())
    ThrowRDE("NEF Decoder: Decompression info tag not found");

  TiffEntry *meta;
  try {
    meta = data[0]->getEntry((TiffTag)0x96);
  } catch (TiffParserException) {
    meta = data[0]->getEntry((TiffTag)0x8c);  // Fall back
  }

  try {
    NikonDecompressor decompressor(mFile, mRaw);

    ByteStream* metastream;
    if (getHostEndianness() == data[0]->endian)
      metastream = new ByteStream(meta->getData(), meta->count);
    else
      metastream = new ByteStreamSwap(meta->getData(), meta->count);

    decompressor.DecompressNikon(metastream, width, height, bitPerPixel, offsets->getInt(), counts->getInt());

    delete metastream;
  } catch (IOException &e) {
    mRaw->setError(e.what());
    // Let's ignore it, it may have delivered somewhat useful data.
  }

  return mRaw;
}
开发者ID:michalfabik，项目名称:darktable，代码行数:93，代码来源:NefDecoder.cpp


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