dng_basic_tag_set * dng_image_preview::AddTagSet (dng_tiff_directory &directory) const
{
fIFD.fNewSubFileType = fInfo.fIsPrimary ? sfPreviewImage
: sfAltPreviewImage;
fIFD.fImageWidth = fImage->Width ();
fIFD.fImageLength = fImage->Height ();
fIFD.fSamplesPerPixel = fImage->Planes ();
fIFD.fPhotometricInterpretation = fIFD.fSamplesPerPixel == 1 ? piBlackIsZero
: piRGB;
fIFD.fBitsPerSample [0] = TagTypeSize (fImage->PixelType ()) * 8;
for (uint32 j = 1; j < fIFD.fSamplesPerPixel; j++)
{
fIFD.fBitsPerSample [j] = fIFD.fBitsPerSample [0];
}
fIFD.SetSingleStrip ();
return new dng_preview_tag_set (directory, *this, fIFD);
}
void dng_filter_task::Start (uint32 threadCount,
const dng_point &tileSize,
dng_memory_allocator *allocator,
dng_abort_sniffer * /* sniffer */)
{
dng_point srcTileSize = SrcTileSize (tileSize);
uint32 srcPixelSize = TagTypeSize (fSrcPixelType);
uint32 srcBufferSize = srcTileSize.v *
RoundUpForPixelSize (srcTileSize.h, srcPixelSize) *
srcPixelSize *
fSrcPlanes;
uint32 dstPixelSize = TagTypeSize (fDstPixelType);
uint32 dstBufferSize = tileSize.v *
RoundUpForPixelSize (tileSize.h, dstPixelSize) *
dstPixelSize *
fDstPlanes;
for (uint32 threadIndex = 0; threadIndex < threadCount; threadIndex++)
{
fSrcBuffer [threadIndex] . Reset (allocator->Allocate (srcBufferSize));
fDstBuffer [threadIndex] . Reset (allocator->Allocate (dstBufferSize));
// Zero buffers so add pad bytes have defined values.
DoZeroBytes (fSrcBuffer [threadIndex]->Buffer (),
fSrcBuffer [threadIndex]->LogicalSize ());
DoZeroBytes (fDstBuffer [threadIndex]->Buffer (),
fDstBuffer [threadIndex]->LogicalSize ());
}
}
dng_basic_tag_set * dng_raw_preview::AddTagSet (dng_tiff_directory &directory) const
{
fIFD.fNewSubFileType = sfPreviewImage;
fIFD.fImageWidth = fImage->Width ();
fIFD.fImageLength = fImage->Height ();
fIFD.fSamplesPerPixel = fImage->Planes ();
fIFD.fPhotometricInterpretation = piLinearRaw;
if (fImage->PixelType () == ttFloat)
{
fIFD.fCompression = ccDeflate;
fIFD.fCompressionQuality = fCompressionQuality;
fIFD.fPredictor = cpFloatingPoint;
for (uint32 j = 0; j < fIFD.fSamplesPerPixel; j++)
{
fIFD.fBitsPerSample [j] = 16;
fIFD.fSampleFormat [j] = sfFloatingPoint;
}
fIFD.FindTileSize (512 * 1024);
}
else
{
fIFD.fCompression = ccLossyJPEG;
fIFD.fCompressionQuality = fCompressionQuality;
fIFD.fBitsPerSample [0] = TagTypeSize (fImage->PixelType ()) * 8;
for (uint32 j = 1; j < fIFD.fSamplesPerPixel; j++)
{
fIFD.fBitsPerSample [j] = fIFD.fBitsPerSample [0];
}
fIFD.FindTileSize (512 * 512 * fIFD.fSamplesPerPixel);
}
return new dng_raw_preview_tag_set (directory, *this, fIFD);
}
void dng_image::SetPixelType (uint32 pixelType)
{
if (TagTypeSize (pixelType) != PixelSize ())
{
ThrowProgramError ("Cannot change pixel size for existing image");
}
fPixelType = pixelType;
}
dng_simple_image::dng_simple_image (const dng_rect &bounds,
uint32 planes,
uint32 pixelType,
uint32 pixelRange,
dng_memory_allocator &allocator)
: dng_image (bounds,
planes,
pixelType,
pixelRange)
, fMemory ()
, fBuffer ()
{
uint32 pixelSize = TagTypeSize (pixelType);
uint32 bytes = bounds.H () * bounds.W () * planes * pixelSize;
fMemory.Reset (allocator.Allocate (bytes));
fBuffer.fArea = bounds;
fBuffer.fPlane = 0;
fBuffer.fPlanes = planes;
fBuffer.fRowStep = planes * bounds.W ();
fBuffer.fColStep = planes;
fBuffer.fPlaneStep = 1;
fBuffer.fPixelType = pixelType;
fBuffer.fPixelSize = pixelSize;
fBuffer.fPixelRange = pixelRange;
fBuffer.fData = fMemory->Buffer ();
}
uint32 ComputeBufferSize(uint32 pixelType, const dng_point &tileSize,
uint32 numPlanes, PaddingType paddingType)
{
// Convert tile size to uint32.
if (tileSize.h < 0 || tileSize.v < 0)
{
ThrowMemoryFull("Negative tile size");
}
const uint32 tileSizeH = static_cast<uint32>(tileSize.h);
const uint32 tileSizeV = static_cast<uint32>(tileSize.v);
const uint32 pixelSize = TagTypeSize(pixelType);
// Add padding to width if necessary.
uint32 paddedWidth = tileSizeH;
if (paddingType == pad16Bytes)
{
if (!RoundUpForPixelSize(paddedWidth, pixelSize, &paddedWidth))
{
ThrowMemoryFull("Arithmetic overflow computing buffer size");
}
}
// Compute buffer size.
uint32 bufferSize;
if (!SafeUint32Mult(paddedWidth, tileSizeV, &bufferSize) ||
!SafeUint32Mult(bufferSize, pixelSize, &bufferSize) ||
!SafeUint32Mult(bufferSize, numPlanes, &bufferSize))
{
ThrowMemoryFull("Arithmetic overflow computing buffer size");
}
return bufferSize;
}
dng_basic_tag_set * dng_mask_preview::AddTagSet (dng_tiff_directory &directory) const
{
fIFD.fNewSubFileType = sfPreviewMask;
fIFD.fImageWidth = fImage->Width ();
fIFD.fImageLength = fImage->Height ();
fIFD.fSamplesPerPixel = 1;
fIFD.fPhotometricInterpretation = piTransparencyMask;
fIFD.fCompression = ccDeflate;
fIFD.fPredictor = cpHorizontalDifference;
fIFD.fCompressionQuality = fCompressionQuality;
fIFD.fBitsPerSample [0] = TagTypeSize (fImage->PixelType ()) * 8;
fIFD.FindTileSize (512 * 512 * fIFD.fSamplesPerPixel);
return new dng_basic_tag_set (directory, fIFD);
}
uint32 dng_image::PixelSize () const
{
return TagTypeSize (PixelType ());
}
bool dng_info::ParseMakerNoteIFD (dng_host &host,
dng_stream &stream,
uint64 ifdSize,
uint64 ifdOffset,
int64 offsetDelta,
uint64 minOffset,
uint64 maxOffset,
uint32 parentCode)
{
uint32 tagIndex;
uint32 tagCode;
uint32 tagType;
uint32 tagCount;
// Assume there is no next IFD pointer.
fMakerNoteNextIFD = 0;
// If size is too small to hold a single entry IFD, abort.
if (ifdSize < 14)
{
return false;
}
// Get entry count.
stream.SetReadPosition (ifdOffset);
uint32 ifdEntries = stream.Get_uint16 ();
// Make the entry count if reasonable for the MakerNote size.
if (ifdEntries < 1 || 2 + ifdEntries * 12 > ifdSize)
{
return false;
}
// Scan IFD to verify all the tag types are all valid.
for (tagIndex = 0; tagIndex < ifdEntries; tagIndex++)
{
stream.SetReadPosition (ifdOffset + 2 + tagIndex * 12 + 2);
tagType = stream.Get_uint16 ();
// Kludge: Some Canon MakerNotes contain tagType = 0 tags, so we
// need to ignore them. This was a "firmware 1.0.4" Canon 40D raw file.
if (parentCode == tcCanonMakerNote && tagType == 0)
{
continue;
}
if (TagTypeSize (tagType) == 0)
{
return false;
}
}
// OK, the IFD looks reasonable enough to parse.
#if qDNGValidate
if (gVerbose)
{
printf ("%s: Offset = %u, Entries = %u\n\n",
LookupParentCode (parentCode),
(unsigned) ifdOffset,
(unsigned) ifdEntries);
}
#endif
for (tagIndex = 0; tagIndex < ifdEntries; tagIndex++)
{
stream.SetReadPosition (ifdOffset + 2 + tagIndex * 12);
tagCode = stream.Get_uint16 ();
tagType = stream.Get_uint16 ();
tagCount = stream.Get_uint32 ();
if (tagType == 0)
{
continue;
}
uint32 tagSize = tagCount * TagTypeSize (tagType);
uint64 tagOffset = ifdOffset + 2 + tagIndex * 12 + 8;
if (tagSize > 4)
{
tagOffset = stream.Get_uint32 () + offsetDelta;
if (tagOffset < minOffset ||
tagOffset + tagSize > maxOffset)
{
// Tag data is outside the valid offset range,
// so ignore this tag.
continue;
}
stream.SetReadPosition (tagOffset);
}
// Olympus switched to using IFDs in version 3 makernotes.
if (parentCode == tcOlympusMakerNote &&
tagType == ttIFD &&
tagCount == 1)
{
uint32 olympusMakerParent = 0;
switch (tagCode)
{
case 8208:
olympusMakerParent = tcOlympusMakerNote8208;
break;
case 8224:
olympusMakerParent = tcOlympusMakerNote8224;
break;
case 8240:
olympusMakerParent = tcOlympusMakerNote8240;
break;
case 8256:
olympusMakerParent = tcOlympusMakerNote8256;
break;
case 8272:
olympusMakerParent = tcOlympusMakerNote8272;
break;
case 12288:
olympusMakerParent = tcOlympusMakerNote12288;
break;
default:
break;
}
if (olympusMakerParent)
{
stream.SetReadPosition (tagOffset);
uint64 subMakerNoteOffset = stream.Get_uint32 () + offsetDelta;
if (subMakerNoteOffset >= minOffset &&
subMakerNoteOffset < maxOffset)
{
if (ParseMakerNoteIFD (host,
stream,
maxOffset - subMakerNoteOffset,
subMakerNoteOffset,
offsetDelta,
minOffset,
maxOffset,
olympusMakerParent))
{
continue;
}
}
}
stream.SetReadPosition (tagOffset);
}
ParseTag (host,
stream,
fExif.Get (),
fShared.Get (),
NULL,
parentCode,
tagCode,
tagType,
tagCount,
tagOffset,
offsetDelta);
}
// Grab next IFD pointer, for possible use.
if (ifdSize >= 2 + ifdEntries * 12 + 4)
{
stream.SetReadPosition (ifdOffset + 2 + ifdEntries * 12);
fMakerNoteNextIFD = stream.Get_uint32 ();
}
#if qDNGValidate
if (gVerbose)
{
printf ("\n");
}
#endif
return true;
}
void dng_info::ParseIFD (dng_host &host,
dng_stream &stream,
dng_exif *exif,
dng_shared *shared,
dng_ifd *ifd,
uint64 ifdOffset,
int64 offsetDelta,
uint32 parentCode)
{
#if qDNGValidate
bool isMakerNote = (parentCode >= tcFirstMakerNoteIFD &&
parentCode <= tcLastMakerNoteIFD);
#endif
stream.SetReadPosition (ifdOffset);
if (ifd)
{
ifd->fThisIFD = ifdOffset;
}
uint32 ifdEntries = stream.Get_uint16 ();
#if qDNGValidate
if (gVerbose)
{
printf ("%s: Offset = %u, Entries = %u\n\n",
LookupParentCode (parentCode),
(unsigned) ifdOffset,
(unsigned) ifdEntries);
}
if ((ifdOffset & 1) && !isMakerNote)
{
char message [256];
sprintf (message,
"%s has odd offset (%u)",
LookupParentCode (parentCode),
(unsigned) ifdOffset);
ReportWarning (message);
}
#endif
uint32 prev_tag_code = 0;
for (uint32 tag_index = 0; tag_index < ifdEntries; tag_index++)
{
stream.SetReadPosition (ifdOffset + 2 + tag_index * 12);
uint32 tagCode = stream.Get_uint16 ();
uint32 tagType = stream.Get_uint16 ();
// Minolta 7D files have a bug in the EXIF block where the count
// is wrong, and we run off into next IFD link. So if abort parsing
// if we get a zero code/type combinations.
if (tagCode == 0 && tagType == 0)
{
#if qDNGValidate
char message [256];
sprintf (message,
"%s had zero/zero tag code/type entry",
LookupParentCode (parentCode));
ReportWarning (message);
#endif
return;
}
uint32 tagCount = stream.Get_uint32 ();
#if qDNGValidate
{
if (tag_index > 0 && tagCode <= prev_tag_code && !isMakerNote)
{
char message [256];
sprintf (message,
"%s tags are not sorted in ascending numerical order",
LookupParentCode (parentCode));
ReportWarning (message);
}
}
#endif
prev_tag_code = tagCode;
uint32 tag_type_size = TagTypeSize (tagType);
if (tag_type_size == 0)
{
#if qDNGValidate
{
char message [256];
sprintf (message,
"%s %s has unknown type (%u)",
LookupParentCode (parentCode),
LookupTagCode (parentCode, tagCode),
(unsigned) tagType);
ReportWarning (message);
}
#endif
continue;
}
uint64 tagOffset = ifdOffset + 2 + tag_index * 12 + 8;
if (tagCount * tag_type_size > 4)
{
tagOffset = stream.Get_uint32 ();
#if qDNGValidate
{
if (!(ifdOffset & 1) &&
(tagOffset & 1) &&
!isMakerNote &&
parentCode != tcKodakDCRPrivateIFD &&
parentCode != tcKodakKDCPrivateIFD)
{
char message [256];
sprintf (message,
"%s %s has odd data offset (%u)",
LookupParentCode (parentCode),
LookupTagCode (parentCode, tagCode),
(unsigned) tagOffset);
ReportWarning (message);
}
}
#endif
tagOffset += offsetDelta;
stream.SetReadPosition (tagOffset);
}
ParseTag (host,
stream,
exif,
shared,
ifd,
parentCode,
tagCode,
tagType,
tagCount,
tagOffset,
offsetDelta);
}
stream.SetReadPosition (ifdOffset + 2 + ifdEntries * 12);
uint32 nextIFD = stream.Get_uint32 ();
#if qDNGValidate
if (gVerbose)
{
printf ("NextIFD = %u\n", (unsigned) nextIFD);
}
#endif
if (ifd)
{
ifd->fNextIFD = nextIFD;
}
#if qDNGValidate
if (nextIFD)
{
if (parentCode != 0 &&
(parentCode < tcFirstChainedIFD ||
parentCode > tcLastChainedIFD ))
{
char message [256];
sprintf (message,
"%s has an unexpected non-zero NextIFD (%u)",
LookupParentCode (parentCode),
(unsigned) nextIFD);
ReportWarning (message);
}
}
if (gVerbose)
{
printf ("\n");
}
#endif
}
bool dng_info::ValidateIFD (dng_stream &stream,
uint64 ifdOffset,
int64 offsetDelta)
{
// Make sure we have a count.
if (ifdOffset + 2 > stream.Length ())
{
return false;
}
// Get entry count.
stream.SetReadPosition (ifdOffset);
uint32 ifdEntries = stream.Get_uint16 ();
if (ifdEntries < 1)
{
return false;
}
// Make sure we have room for all entries and next IFD link.
if (ifdOffset + 2 + ifdEntries * 12 + 4 > stream.Length ())
{
return false;
}
// Check each entry.
for (uint32 tag_index = 0; tag_index < ifdEntries; tag_index++)
{
stream.SetReadPosition (ifdOffset + 2 + tag_index * 12);
stream.Skip (2); // Ignore tag code.
uint32 tagType = stream.Get_uint16 ();
uint32 tagCount = stream.Get_uint32 ();
uint32 tag_type_size = TagTypeSize (tagType);
if (tag_type_size == 0)
{
return false;
}
uint32 tag_data_size = tagCount * tag_type_size;
if (tag_data_size > 4)
{
uint64 tagOffset = stream.Get_uint32 ();
tagOffset += offsetDelta;
if (tagOffset + tag_data_size > stream.Length ())
{
return false;
}
}
}
return true;
}
void dng_info::ParseDNGPrivateData (dng_host &host,
dng_stream &stream)
{
if (fShared->fDNGPrivateDataCount < 2)
{
return;
}
// DNG private data should always start with a null-terminated
// company name, to define the format of the private data.
dng_string privateName;
{
char buffer [64];
stream.SetReadPosition (fShared->fDNGPrivateDataOffset);
uint32 readLength = Min_uint32 (fShared->fDNGPrivateDataCount,
sizeof (buffer) - 1);
stream.Get (buffer, readLength);
buffer [readLength] = 0;
privateName.Set (buffer);
}
// Pentax is storing their MakerNote in the DNGPrivateData data.
if (privateName.StartsWith ("PENTAX" ) ||
privateName.StartsWith ("SAMSUNG"))
{
#if qDNGValidate
if (gVerbose)
{
printf ("Parsing Pentax/Samsung DNGPrivateData\n\n");
}
#endif
stream.SetReadPosition (fShared->fDNGPrivateDataOffset + 8);
bool bigEndian = stream.BigEndian ();
uint16 endianMark = stream.Get_uint16 ();
if (endianMark == byteOrderMM)
{
bigEndian = true;
}
else if (endianMark == byteOrderII)
{
bigEndian = false;
}
TempBigEndian temp_endian (stream, bigEndian);
ParseMakerNoteIFD (host,
stream,
fShared->fDNGPrivateDataCount - 10,
fShared->fDNGPrivateDataOffset + 10,
fShared->fDNGPrivateDataOffset,
fShared->fDNGPrivateDataOffset,
fShared->fDNGPrivateDataOffset + fShared->fDNGPrivateDataCount,
tcPentaxMakerNote);
return;
}
// Stop parsing if this is not an Adobe format block.
if (!privateName.Matches ("Adobe"))
{
return;
}
TempBigEndian temp_order (stream);
uint32 section_offset = 6;
while (section_offset + 8 < fShared->fDNGPrivateDataCount)
{
stream.SetReadPosition (fShared->fDNGPrivateDataOffset + section_offset);
uint32 section_key = stream.Get_uint32 ();
uint32 section_count = stream.Get_uint32 ();
if (section_key == DNG_CHAR4 ('M','a','k','N') && section_count > 6)
{
#if qDNGValidate
if (gVerbose)
{
printf ("Found MakerNote inside DNGPrivateData\n\n");
}
#endif
uint16 order_mark = stream.Get_uint16 ();
uint64 old_offset = stream.Get_uint32 ();
uint32 tempSize = section_count - 6;
AutoPtr<dng_memory_block> tempBlock (host.Allocate (tempSize));
uint64 positionInOriginalFile = stream.PositionInOriginalFile();
stream.Get (tempBlock->Buffer (), tempSize);
dng_stream tempStream (tempBlock->Buffer (),
tempSize,
positionInOriginalFile);
tempStream.SetBigEndian (order_mark == byteOrderMM);
ParseMakerNote (host,
tempStream,
tempSize,
0,
0 - old_offset,
0,
tempSize);
}
else if (section_key == DNG_CHAR4 ('S','R','2',' ') && section_count > 6)
{
#if qDNGValidate
if (gVerbose)
{
printf ("Found Sony private data inside DNGPrivateData\n\n");
}
#endif
uint16 order_mark = stream.Get_uint16 ();
uint64 old_offset = stream.Get_uint32 ();
uint64 new_offset = fShared->fDNGPrivateDataOffset + section_offset + 14;
TempBigEndian sr2_order (stream, order_mark == byteOrderMM);
ParseSonyPrivateData (host,
stream,
section_count - 6,
old_offset,
new_offset);
}
else if (section_key == DNG_CHAR4 ('R','A','F',' ') && section_count > 4)
{
#if qDNGValidate
if (gVerbose)
{
printf ("Found Fuji RAF tags inside DNGPrivateData\n\n");
}
#endif
uint16 order_mark = stream.Get_uint16 ();
uint32 tagCount = stream.Get_uint32 ();
uint64 tagOffset = stream.Position ();
if (tagCount)
{
TempBigEndian raf_order (stream, order_mark == byteOrderMM);
ParseTag (host,
stream,
fExif.Get (),
fShared.Get (),
NULL,
tcFujiRAF,
tcFujiHeader,
ttUndefined,
tagCount,
tagOffset,
0);
stream.SetReadPosition (tagOffset + tagCount);
}
tagCount = stream.Get_uint32 ();
tagOffset = stream.Position ();
if (tagCount)
{
TempBigEndian raf_order (stream, order_mark == byteOrderMM);
ParseTag (host,
stream,
fExif.Get (),
fShared.Get (),
NULL,
tcFujiRAF,
tcFujiRawInfo1,
ttUndefined,
tagCount,
tagOffset,
0);
stream.SetReadPosition (tagOffset + tagCount);
}
tagCount = stream.Get_uint32 ();
tagOffset = stream.Position ();
if (tagCount)
{
TempBigEndian raf_order (stream, order_mark == byteOrderMM);
ParseTag (host,
stream,
fExif.Get (),
fShared.Get (),
NULL,
tcFujiRAF,
tcFujiRawInfo2,
ttUndefined,
tagCount,
tagOffset,
0);
stream.SetReadPosition (tagOffset + tagCount);
}
}
else if (section_key == DNG_CHAR4 ('C','n','t','x') && section_count > 4)
{
#if qDNGValidate
if (gVerbose)
{
printf ("Found Contax Raw header inside DNGPrivateData\n\n");
}
#endif
uint16 order_mark = stream.Get_uint16 ();
uint32 tagCount = stream.Get_uint32 ();
uint64 tagOffset = stream.Position ();
if (tagCount)
{
TempBigEndian contax_order (stream, order_mark == byteOrderMM);
ParseTag (host,
stream,
fExif.Get (),
fShared.Get (),
NULL,
tcContaxRAW,
tcContaxHeader,
ttUndefined,
tagCount,
tagOffset,
0);
}
}
else if (section_key == DNG_CHAR4 ('C','R','W',' ') && section_count > 4)
{
#if qDNGValidate
if (gVerbose)
{
printf ("Found Canon CRW tags inside DNGPrivateData\n\n");
}
#endif
uint16 order_mark = stream.Get_uint16 ();
uint32 entries = stream.Get_uint16 ();
uint64 crwTagStart = stream.Position ();
for (uint32 parsePass = 1; parsePass <= 2; parsePass++)
{
stream.SetReadPosition (crwTagStart);
for (uint32 index = 0; index < entries; index++)
{
uint32 tagCode = stream.Get_uint16 ();
uint32 tagCount = stream.Get_uint32 ();
uint64 tagOffset = stream.Position ();
// We need to grab the model id tag first, and then all the
// other tags.
if ((parsePass == 1) == (tagCode == 0x5834))
{
TempBigEndian tag_order (stream, order_mark == byteOrderMM);
ParseTag (host,
stream,
fExif.Get (),
fShared.Get (),
NULL,
tcCanonCRW,
tagCode,
ttUndefined,
tagCount,
tagOffset,
0);
}
stream.SetReadPosition (tagOffset + tagCount);
}
}
}
else if (section_count > 4)
{
uint32 parentCode = 0;
bool code32 = false;
bool hasType = true;
switch (section_key)
{
case DNG_CHAR4 ('M','R','W',' '):
{
parentCode = tcMinoltaMRW;
code32 = true;
hasType = false;
break;
}
case DNG_CHAR4 ('P','a','n','o'):
{
parentCode = tcPanasonicRAW;
break;
}
case DNG_CHAR4 ('L','e','a','f'):
{
parentCode = tcLeafMOS;
break;
}
case DNG_CHAR4 ('K','o','d','a'):
{
parentCode = tcKodakDCRPrivateIFD;
break;
}
case DNG_CHAR4 ('K','D','C',' '):
{
parentCode = tcKodakKDCPrivateIFD;
break;
}
default:
break;
}
if (parentCode)
{
#if qDNGValidate
if (gVerbose)
{
printf ("Found %s tags inside DNGPrivateData\n\n",
LookupParentCode (parentCode));
}
#endif
uint16 order_mark = stream.Get_uint16 ();
uint32 entries = stream.Get_uint16 ();
for (uint32 index = 0; index < entries; index++)
{
uint32 tagCode = code32 ? stream.Get_uint32 ()
: stream.Get_uint16 ();
uint32 tagType = hasType ? stream.Get_uint16 ()
: ttUndefined;
uint32 tagCount = stream.Get_uint32 ();
uint32 tagSize = tagCount * TagTypeSize (tagType);
uint64 tagOffset = stream.Position ();
TempBigEndian tag_order (stream, order_mark == byteOrderMM);
ParseTag (host,
stream,
fExif.Get (),
fShared.Get (),
NULL,
parentCode,
tagCode,
tagType,
tagCount,
tagOffset,
0);
stream.SetReadPosition (tagOffset + tagSize);
}
}
}
section_offset += 8 + section_count;
if (section_offset & 1)
{
section_offset++;
}
}
}
void dng_filter_task::Process (uint32 threadIndex,
const dng_rect &area,
dng_abort_sniffer * /* sniffer */)
{
// Find source area for this destination area.
dng_rect srcArea = SrcArea (area);
// Setup srcBuffer.
dng_pixel_buffer srcBuffer;
srcBuffer.fArea = srcArea;
srcBuffer.fPlane = fSrcPlane;
srcBuffer.fPlanes = fSrcPlanes;
srcBuffer.fPixelType = fSrcPixelType;
srcBuffer.fPixelSize = TagTypeSize (fSrcPixelType);
srcBuffer.fPlaneStep = RoundUpForPixelSize (srcArea.W (),
srcBuffer.fPixelSize);
srcBuffer.fRowStep = srcBuffer.fPlaneStep *
srcBuffer.fPlanes;
if (fSrcPixelType == fSrcImage.PixelType ())
{
srcBuffer.fPixelRange = fSrcImage.PixelRange ();
}
else switch (fSrcPixelType)
{
case ttByte:
case ttSByte:
{
srcBuffer.fPixelRange = 0x0FF;
break;
}
case ttShort:
case ttSShort:
{
srcBuffer.fPixelRange = 0x0FFFF;
break;
}
case ttLong:
case ttSLong:
{
srcBuffer.fPixelRange = 0xFFFFFFFF;
break;
}
case ttFloat:
break;
default:
ThrowProgramError ();
}
srcBuffer.fData = fSrcBuffer [threadIndex]->Buffer ();
// Setup dstBuffer.
dng_pixel_buffer dstBuffer;
dstBuffer.fArea = area;
dstBuffer.fPlane = fDstPlane;
dstBuffer.fPlanes = fDstPlanes;
dstBuffer.fPixelType = fDstPixelType;
dstBuffer.fPixelSize = TagTypeSize (fDstPixelType);
dstBuffer.fPlaneStep = RoundUpForPixelSize (area.W (),
dstBuffer.fPixelSize);
dstBuffer.fRowStep = dstBuffer.fPlaneStep *
dstBuffer.fPlanes;
if (fDstPixelType == fDstImage.PixelType ())
{
dstBuffer.fPixelRange = fDstImage.PixelRange ();
}
else switch (fDstPixelType)
{
case ttByte:
case ttSByte:
{
dstBuffer.fPixelRange = 0x0FF;
break;
}
case ttShort:
case ttSShort:
{
dstBuffer.fPixelRange = 0x0FFFF;
break;
}
case ttLong:
case ttSLong:
{
dstBuffer.fPixelRange = 0xFFFFFFFF;
break;
}
case ttFloat:
break;
default:
ThrowProgramError ();
}
dstBuffer.fData = fDstBuffer [threadIndex]->Buffer ();
// Get source pixels.
fSrcImage.Get (srcBuffer,
dng_image::edge_repeat,
fSrcRepeat.v,
fSrcRepeat.h);
// Process area.
ProcessArea (threadIndex,
srcBuffer,
dstBuffer);
// Save result pixels.
fDstImage.Put (dstBuffer);
}
void dng_filter_task::Process (uint32 threadIndex,
const dng_rect &area,
dng_abort_sniffer * /* sniffer */)
{
// Find source area for this destination area.
dng_rect srcArea = SrcArea (area);
// Setup srcBuffer.
dng_pixel_buffer srcBuffer;
srcBuffer.fArea = srcArea;
srcBuffer.fPlane = fSrcPlane;
srcBuffer.fPlanes = fSrcPlanes;
srcBuffer.fPixelType = fSrcPixelType;
srcBuffer.fPixelSize = TagTypeSize (fSrcPixelType);
srcBuffer.fPlaneStep = RoundUpForPixelSize (srcArea.W (),
srcBuffer.fPixelSize);
srcBuffer.fRowStep = srcBuffer.fPlaneStep *
srcBuffer.fPlanes;
srcBuffer.fData = fSrcBuffer [threadIndex]->Buffer ();
// Setup dstBuffer.
dng_pixel_buffer dstBuffer;
dstBuffer.fArea = area;
dstBuffer.fPlane = fDstPlane;
dstBuffer.fPlanes = fDstPlanes;
dstBuffer.fPixelType = fDstPixelType;
dstBuffer.fPixelSize = TagTypeSize (fDstPixelType);
dstBuffer.fPlaneStep = RoundUpForPixelSize (area.W (),
dstBuffer.fPixelSize);
dstBuffer.fRowStep = dstBuffer.fPlaneStep *
dstBuffer.fPlanes;
dstBuffer.fData = fDstBuffer [threadIndex]->Buffer ();
// Get source pixels.
fSrcImage.Get (srcBuffer,
dng_image::edge_repeat,
fSrcRepeat.v,
fSrcRepeat.h);
// Process area.
ProcessArea (threadIndex,
srcBuffer,
dstBuffer);
// Save result pixels.
fDstImage.Put (dstBuffer);
}
bool dng_camera_profile_info::ParseExtended (dng_stream &stream)
{
try
{
// Offsets are relative to the start of this structure, not the entire file.
uint64 startPosition = stream.Position ();
// Read header. Like a TIFF header, but with different magic number
// Plus all offsets are relative to the start of the IFD, not to the
// stream or file.
uint16 byteOrder = stream.Get_uint16 ();
if (byteOrder == byteOrderMM)
fBigEndian = true;
else if (byteOrder == byteOrderII)
fBigEndian = false;
else
return false;
TempBigEndian setEndianness (stream, fBigEndian);
uint16 magicNumber = stream.Get_uint16 ();
if (magicNumber != magicExtendedProfile)
{
return false;
}
uint32 offset = stream.Get_uint32 ();
stream.Skip (offset - 8);
// Start on IFD entries.
uint32 ifdEntries = stream.Get_uint16 ();
if (ifdEntries < 1)
{
return false;
}
for (uint32 tag_index = 0; tag_index < ifdEntries; tag_index++)
{
stream.SetReadPosition (startPosition + 8 + 2 + tag_index * 12);
uint16 tagCode = stream.Get_uint16 ();
uint32 tagType = stream.Get_uint16 ();
uint32 tagCount = stream.Get_uint32 ();
uint64 tagOffset = stream.Position ();
if (TagTypeSize (tagType) * tagCount > 4)
{
tagOffset = startPosition + stream.Get_uint32 ();
stream.SetReadPosition (tagOffset);
}
if (!ParseTag (stream,
0,
tagCode,
tagType,
tagCount,
tagOffset))
{
#if qDNGValidate
if (gVerbose)
{
stream.SetReadPosition (tagOffset);
printf ("*");
DumpTagValues (stream,
LookupTagType (tagType),
0,
tagCode,
tagType,
tagCount);
}
#endif
}
}
return true;
}
catch (...)
{
// Eat parsing errors.
}
return false;
}
bool dng_shared::Parse_ifd0 (dng_stream &stream,
dng_exif & /* exif */,
uint32 parentCode,
uint32 tagCode,
uint32 tagType,
uint32 tagCount,
uint64 tagOffset)
{
switch (tagCode)
{
case tcXMP:
{
CheckTagType (parentCode, tagCode, tagType, ttByte);
fXMPCount = tagCount;
fXMPOffset = fXMPCount ? tagOffset : 0;
#if qDNGValidate
if (gVerbose)
{
printf ("XMP: Count = %u, Offset = %u\n",
(unsigned) fXMPCount,
(unsigned) fXMPOffset);
if (fXMPCount)
{
DumpXMP (stream, fXMPCount);
}
}
#endif
break;
}
case tcIPTC_NAA:
{
CheckTagType (parentCode, tagCode, tagType, ttLong, ttAscii);
fIPTC_NAA_Count = tagCount * TagTypeSize (tagType);
fIPTC_NAA_Offset = fIPTC_NAA_Count ? tagOffset : 0;
#if qDNGValidate
if (gVerbose)
{
printf ("IPTC/NAA: Count = %u, Offset = %u\n",
(unsigned) fIPTC_NAA_Count,
(unsigned) fIPTC_NAA_Offset);
if (fIPTC_NAA_Count)
{
DumpHexAscii (stream, fIPTC_NAA_Count);
}
// Compute and output the digest.
dng_memory_data buffer (fIPTC_NAA_Count);
stream.SetReadPosition (fIPTC_NAA_Offset);
stream.Get (buffer.Buffer (), fIPTC_NAA_Count);
const uint8 *data = buffer.Buffer_uint8 ();
uint32 count = fIPTC_NAA_Count;
// Method 1: Counting all bytes (this is correct).
{
dng_md5_printer printer;
printer.Process (data, count);
printf ("IPTCDigest: ");
DumpFingerprint (printer.Result ());
printf ("\n");
}
// Method 2: Ignoring zero padding.
{
uint32 removed = 0;
while ((removed < 3) && (count > 0) && (data [count - 1] == 0))
{
removed++;
count--;
}
if (removed != 0)
{
dng_md5_printer printer;
printer.Process (data, count);
printf ("IPTCDigest (ignoring zero padding): ");
DumpFingerprint (printer.Result ());
printf ("\n");
}
}
}
#endif
break;
}
case tcExifIFD:
{
CheckTagType (parentCode, tagCode, tagType, ttLong, ttIFD);
CheckTagCount (parentCode, tagCode, tagCount, 1);
fExifIFD = stream.TagValue_uint32 (tagType);
#if qDNGValidate
if (gVerbose)
{
printf ("ExifIFD: %u\n", (unsigned) fExifIFD);
}
#endif
break;
}
case tcGPSInfo:
{
CheckTagType (parentCode, tagCode, tagType, ttLong, ttIFD);
CheckTagCount (parentCode, tagCode, tagCount, 1);
fGPSInfo = stream.TagValue_uint32 (tagType);
#if qDNGValidate
if (gVerbose)
{
printf ("GPSInfo: %u\n", (unsigned) fGPSInfo);
}
#endif
break;
}
case tcKodakDCRPrivateIFD:
{
CheckTagType (parentCode, tagCode, tagType, ttLong, ttIFD);
CheckTagCount (parentCode, tagCode, tagCount, 1);
fKodakDCRPrivateIFD = stream.TagValue_uint32 (tagType);
#if qDNGValidate
if (gVerbose)
{
printf ("KodakDCRPrivateIFD: %u\n", (unsigned) fKodakDCRPrivateIFD);
}
#endif
break;
}
case tcKodakKDCPrivateIFD:
{
CheckTagType (parentCode, tagCode, tagType, ttLong, ttIFD);
CheckTagCount (parentCode, tagCode, tagCount, 1);
fKodakKDCPrivateIFD = stream.TagValue_uint32 (tagType);
#if qDNGValidate
if (gVerbose)
{
printf ("KodakKDCPrivateIFD: %u\n", (unsigned) fKodakKDCPrivateIFD);
}
#endif
break;
}
case tcDNGVersion:
{
CheckTagType (parentCode, tagCode, tagType, ttByte);
CheckTagCount (parentCode, tagCode, tagCount, 4);
uint32 b0 = stream.Get_uint8 ();
uint32 b1 = stream.Get_uint8 ();
uint32 b2 = stream.Get_uint8 ();
uint32 b3 = stream.Get_uint8 ();
fDNGVersion = (b0 << 24) | (b1 << 16) | (b2 << 8) | b3;
#if qDNGValidate
if (gVerbose)
{
printf ("DNGVersion: %u.%u.%u.%u\n",
(unsigned) b0,
(unsigned) b1,
(unsigned) b2,
(unsigned) b3);
}
#endif
break;
}
case tcDNGBackwardVersion:
{
CheckTagType (parentCode, tagCode, tagType, ttByte);
CheckTagCount (parentCode, tagCode, tagCount, 4);
uint32 b0 = stream.Get_uint8 ();
uint32 b1 = stream.Get_uint8 ();
uint32 b2 = stream.Get_uint8 ();
uint32 b3 = stream.Get_uint8 ();
fDNGBackwardVersion = (b0 << 24) | (b1 << 16) | (b2 << 8) | b3;
#if qDNGValidate
if (gVerbose)
{
printf ("DNGBackwardVersion: %u.%u.%u.%u\n",
(unsigned) b0,
(unsigned) b1,
(unsigned) b2,
(unsigned) b3);
}
#endif
break;
}
case tcUniqueCameraModel:
{
CheckTagType (parentCode, tagCode, tagType, ttAscii);
ParseStringTag (stream,
parentCode,
tagCode,
tagCount,
fUniqueCameraModel,
false);
bool didTrim = fUniqueCameraModel.TrimTrailingBlanks ();
#if qDNGValidate
if (didTrim)
{
ReportWarning ("UniqueCameraModel string has trailing blanks");
}
if (gVerbose)
{
printf ("UniqueCameraModel: ");
DumpString (fUniqueCameraModel);
printf ("\n");
}
#else
(void) didTrim; // Unused
#endif
break;
}
case tcLocalizedCameraModel:
{
CheckTagType (parentCode, tagCode, tagType, ttAscii, ttByte);
ParseStringTag (stream,
parentCode,
tagCode,
tagCount,
fLocalizedCameraModel,
false,
false);
bool didTrim = fLocalizedCameraModel.TrimTrailingBlanks ();
#if qDNGValidate
if (didTrim)
{
ReportWarning ("LocalizedCameraModel string has trailing blanks");
}
if (gVerbose)
{
printf ("LocalizedCameraModel: ");
DumpString (fLocalizedCameraModel);
printf ("\n");
}
#else
(void) didTrim; // Unused
#endif
break;
}
case tcCameraCalibration1:
{
CheckTagType (parentCode, tagCode, tagType, ttSRational);
if (!CheckColorImage (parentCode, tagCode, fCameraProfile.fColorPlanes))
return false;
if (!ParseMatrixTag (stream,
parentCode,
tagCode,
tagType,
tagCount,
fCameraProfile.fColorPlanes,
fCameraProfile.fColorPlanes,
fCameraCalibration1))
return false;
#if qDNGValidate
if (gVerbose)
{
printf ("CameraCalibration1:\n");
DumpMatrix (fCameraCalibration1);
}
#endif
break;
}
case tcCameraCalibration2:
{
CheckTagType (parentCode, tagCode, tagType, ttSRational);
if (!CheckColorImage (parentCode, tagCode, fCameraProfile.fColorPlanes))
return false;
if (!ParseMatrixTag (stream,
parentCode,
tagCode,
tagType,
tagCount,
fCameraProfile.fColorPlanes,
fCameraProfile.fColorPlanes,
fCameraCalibration2))
return false;
#if qDNGValidate
if (gVerbose)
{
printf ("CameraCalibration2:\n");
DumpMatrix (fCameraCalibration2);
}
#endif
break;
}
case tcCameraCalibrationSignature:
{
CheckTagType (parentCode, tagCode, tagType, ttAscii, ttByte);
ParseStringTag (stream,
parentCode,
tagCode,
tagCount,
fCameraCalibrationSignature,
false,
false);
#if qDNGValidate
if (gVerbose)
{
printf ("CameraCalibrationSignature: ");
DumpString (fCameraCalibrationSignature);
printf ("\n");
}
#endif
break;
}
case tcAnalogBalance:
{
CheckTagType (parentCode, tagCode, tagType, ttRational);
if (!CheckColorImage (parentCode, tagCode, fCameraProfile.fColorPlanes))
return false;
if (!ParseVectorTag (stream,
parentCode,
tagCode,
tagType,
tagCount,
fCameraProfile.fColorPlanes,
fAnalogBalance))
return false;
#if qDNGValidate
if (gVerbose)
{
printf ("AnalogBalance:");
DumpVector (fAnalogBalance);
}
#endif
break;
}
case tcAsShotNeutral:
{
CheckTagType (parentCode, tagCode, tagType, ttRational);
if (!CheckColorImage (parentCode, tagCode, fCameraProfile.fColorPlanes))
return false;
if (!ParseVectorTag (stream,
parentCode,
tagCode,
tagType,
tagCount,
fCameraProfile.fColorPlanes,
fAsShotNeutral))
return false;
#if qDNGValidate
if (gVerbose)
{
printf ("AsShotNeutral:");
DumpVector (fAsShotNeutral);
}
#endif
break;
}
case tcAsShotWhiteXY:
{
CheckTagType (parentCode, tagCode, tagType, ttRational);
if (!CheckColorImage (parentCode, tagCode, fCameraProfile.fColorPlanes))
return false;
if (!CheckTagCount (parentCode, tagCode, tagCount, 2))
return false;
fAsShotWhiteXY.x = stream.TagValue_real64 (tagType);
fAsShotWhiteXY.y = stream.TagValue_real64 (tagType);
#if qDNGValidate
if (gVerbose)
{
printf ("AsShotWhiteXY: %0.4f %0.4f\n",
fAsShotWhiteXY.x,
fAsShotWhiteXY.y);
}
#endif
break;
}
case tcBaselineExposure:
{
CheckTagType (parentCode, tagCode, tagType, ttSRational);
CheckTagCount (parentCode, tagCode, tagCount, 1);
fBaselineExposure = stream.TagValue_srational (tagType);
#if qDNGValidate
if (gVerbose)
{
printf ("BaselineExposure: %+0.2f\n",
fBaselineExposure.As_real64 ());
}
#endif
break;
}
case tcBaselineNoise:
{
CheckTagType (parentCode, tagCode, tagType, ttRational);
CheckTagCount (parentCode, tagCode, tagCount, 1);
fBaselineNoise = stream.TagValue_urational (tagType);
#if qDNGValidate
if (gVerbose)
{
printf ("BaselineNoise: %0.2f\n",
fBaselineNoise.As_real64 ());
}
#endif
break;
}
case tcNoiseReductionApplied:
{
if (!CheckTagType (parentCode, tagCode, tagType, ttRational))
return false;
if (!CheckTagCount (parentCode, tagCode, tagCount, 1))
return false;
fNoiseReductionApplied = stream.TagValue_urational (tagType);
#if qDNGValidate
if (gVerbose)
{
printf ("NoiseReductionApplied: %u/%u\n",
(unsigned) fNoiseReductionApplied.n,
(unsigned) fNoiseReductionApplied.d);
}
#endif
break;
}
case tcNoiseProfile:
{
if (!CheckTagType (parentCode, tagCode, tagType, ttDouble))
return false;
// Must be an even, positive number of doubles in a noise profile.
if (!tagCount || (tagCount & 1))
return false;
// Determine number of planes (i.e., half the number of doubles).
const uint32 numPlanes = Pin_uint32 (0,
tagCount >> 1,
kMaxColorPlanes);
// Parse the noise function parameters.
std::vector<dng_noise_function> noiseFunctions;
for (uint32 i = 0; i < numPlanes; i++)
{
const real64 scale = stream.TagValue_real64 (tagType);
const real64 offset = stream.TagValue_real64 (tagType);
noiseFunctions.push_back (dng_noise_function (scale, offset));
}
// Store the noise profile.
fNoiseProfile = dng_noise_profile (noiseFunctions);
// Debug.
#if qDNGValidate
if (gVerbose)
{
printf ("NoiseProfile:\n");
printf (" Planes: %u\n", numPlanes);
for (uint32 plane = 0; plane < numPlanes; plane++)
{
printf (" Noise function for plane %u: scale = %.8lf, offset = %.8lf\n",
plane,
noiseFunctions [plane].Scale (),
noiseFunctions [plane].Offset ());
}
}
#endif
break;
}
case tcBaselineSharpness:
{
CheckTagType (parentCode, tagCode, tagType, ttRational);
CheckTagCount (parentCode, tagCode, tagCount, 1);
fBaselineSharpness = stream.TagValue_urational (tagType);
#if qDNGValidate
if (gVerbose)
{
printf ("BaselineSharpness: %0.2f\n",
fBaselineSharpness.As_real64 ());
}
#endif
break;
}
case tcLinearResponseLimit:
{
CheckTagType (parentCode, tagCode, tagType, ttRational);
CheckTagCount (parentCode, tagCode, tagCount, 1);
fLinearResponseLimit = stream.TagValue_urational (tagType);
#if qDNGValidate
if (gVerbose)
{
printf ("LinearResponseLimit: %0.2f\n",
fLinearResponseLimit.As_real64 ());
}
#endif
break;
}
case tcShadowScale:
{
CheckTagType (parentCode, tagCode, tagType, ttRational);
CheckTagCount (parentCode, tagCode, tagCount, 1);
fShadowScale = stream.TagValue_urational (tagType);
#if qDNGValidate
if (gVerbose)
{
printf ("ShadowScale: %0.4f\n",
fShadowScale.As_real64 ());
}
#endif
break;
}
case tcDNGPrivateData:
{
CheckTagType (parentCode, tagCode, tagType, ttByte);
fDNGPrivateDataCount = tagCount;
fDNGPrivateDataOffset = tagOffset;
#if qDNGValidate
if (gVerbose)
{
printf ("DNGPrivateData: Count = %u, Offset = %u\n",
(unsigned) fDNGPrivateDataCount,
(unsigned) fDNGPrivateDataOffset);
DumpHexAscii (stream, tagCount);
}
#endif
break;
}
case tcMakerNoteSafety:
{
CheckTagType (parentCode, tagCode, tagType, ttShort);
CheckTagCount (parentCode, tagCode, tagCount, 1);
fMakerNoteSafety = stream.TagValue_uint32 (tagType);
#if qDNGValidate
if (gVerbose)
{
printf ("MakerNoteSafety: %s\n",
LookupMakerNoteSafety (fMakerNoteSafety));
}
#endif
break;
}
case tcRawImageDigest:
{
if (!CheckTagType (parentCode, tagCode, tagType, ttByte))
return false;
if (!CheckTagCount (parentCode, tagCode, tagCount, 16))
return false;
stream.Get (fRawImageDigest.data, 16);
#if qDNGValidate
if (gVerbose)
{
printf ("RawImageDigest: ");
DumpFingerprint (fRawImageDigest);
printf ("\n");
}
#endif
break;
}
case tcRawDataUniqueID:
{
if (!CheckTagType (parentCode, tagCode, tagType, ttByte))
return false;
if (!CheckTagCount (parentCode, tagCode, tagCount, 16))
return false;
stream.Get (fRawDataUniqueID.data, 16);
#if qDNGValidate
if (gVerbose)
{
printf ("RawDataUniqueID: ");
DumpFingerprint (fRawDataUniqueID);
printf ("\n");
}
#endif
break;
}
case tcOriginalRawFileName:
{
CheckTagType (parentCode, tagCode, tagType, ttAscii, ttByte);
ParseStringTag (stream,
parentCode,
tagCode,
tagCount,
fOriginalRawFileName,
false,
false);
#if qDNGValidate
if (gVerbose)
{
printf ("OriginalRawFileName: ");
DumpString (fOriginalRawFileName);
printf ("\n");
}
#endif
break;
}
case tcOriginalRawFileData:
{
CheckTagType (parentCode, tagCode, tagType, ttUndefined);
fOriginalRawFileDataCount = tagCount;
fOriginalRawFileDataOffset = tagOffset;
#if qDNGValidate
if (gVerbose)
{
printf ("OriginalRawFileData: Count = %u, Offset = %u\n",
(unsigned) fOriginalRawFileDataCount,
(unsigned) fOriginalRawFileDataOffset);
DumpHexAscii (stream, tagCount);
}
#endif
break;
}
case tcOriginalRawFileDigest:
{
if (!CheckTagType (parentCode, tagCode, tagType, ttByte))
return false;
if (!CheckTagCount (parentCode, tagCode, tagCount, 16))
return false;
stream.Get (fOriginalRawFileDigest.data, 16);
#if qDNGValidate
if (gVerbose)
{
printf ("OriginalRawFileDigest: ");
DumpFingerprint (fOriginalRawFileDigest);
printf ("\n");
}
#endif
break;
}
case tcAsShotICCProfile:
{
CheckTagType (parentCode, tagCode, tagType, ttUndefined);
fAsShotICCProfileCount = tagCount;
fAsShotICCProfileOffset = tagOffset;
#if qDNGValidate
if (gVerbose)
{
printf ("AsShotICCProfile: Count = %u, Offset = %u\n",
(unsigned) fAsShotICCProfileCount,
(unsigned) fAsShotICCProfileOffset);
DumpHexAscii (stream, tagCount);
}
#endif
break;
}
case tcAsShotPreProfileMatrix:
{
CheckTagType (parentCode, tagCode, tagType, ttSRational);
if (!CheckColorImage (parentCode, tagCode, fCameraProfile.fColorPlanes))
return false;
uint32 rows = fCameraProfile.fColorPlanes;
if (tagCount == fCameraProfile.fColorPlanes * 3)
{
rows = 3;
}
if (!ParseMatrixTag (stream,
parentCode,
tagCode,
tagType,
tagCount,
rows,
fCameraProfile.fColorPlanes,
fAsShotPreProfileMatrix))
return false;
#if qDNGValidate
if (gVerbose)
{
printf ("AsShotPreProfileMatrix:\n");
DumpMatrix (fAsShotPreProfileMatrix);
}
#endif
break;
}
case tcCurrentICCProfile:
{
CheckTagType (parentCode, tagCode, tagType, ttUndefined);
fCurrentICCProfileCount = tagCount;
fCurrentICCProfileOffset = tagOffset;
#if qDNGValidate
if (gVerbose)
{
printf ("CurrentICCProfile: Count = %u, Offset = %u\n",
(unsigned) fCurrentICCProfileCount,
(unsigned) fCurrentICCProfileOffset);
DumpHexAscii (stream, tagCount);
}
#endif
break;
}
case tcCurrentPreProfileMatrix:
{
CheckTagType (parentCode, tagCode, tagType, ttSRational);
if (!CheckColorImage (parentCode, tagCode, fCameraProfile.fColorPlanes))
return false;
uint32 rows = fCameraProfile.fColorPlanes;
if (tagCount == fCameraProfile.fColorPlanes * 3)
{
rows = 3;
}
if (!ParseMatrixTag (stream,
parentCode,
tagCode,
tagType,
tagCount,
rows,
fCameraProfile.fColorPlanes,
fCurrentPreProfileMatrix))
return false;
#if qDNGValidate
if (gVerbose)
{
printf ("CurrentPreProfileMatrix:\n");
DumpMatrix (fCurrentPreProfileMatrix);
}
#endif
break;
}
case tcColorimetricReference:
{
CheckTagType (parentCode, tagCode, tagType, ttShort);
CheckTagCount (parentCode, tagCode, tagCount, 1);
fColorimetricReference = stream.TagValue_uint32 (tagType);
#if qDNGValidate
if (gVerbose)
{
printf ("ColorimetricReference: %s\n",
LookupColorimetricReference (fColorimetricReference));
}
#endif
break;
}
case tcExtraCameraProfiles:
{
CheckTagType (parentCode, tagCode, tagType, ttLong);
CheckTagCount (parentCode, tagCode, tagCount, 1, tagCount);
#if qDNGValidate
if (gVerbose)
{
printf ("ExtraCameraProfiles: %u\n", (unsigned) tagCount);
}
#endif
fExtraCameraProfiles.reserve (tagCount);
for (uint32 index = 0; index < tagCount; index++)
{
#if qDNGValidate
if (gVerbose)
{
printf ("\nExtraCameraProfile [%u]:\n\n", (unsigned) index);
}
#endif
stream.SetReadPosition (tagOffset + index * 4);
uint32 profileOffset = stream.TagValue_uint32 (tagType);
dng_camera_profile_info profileInfo;
stream.SetReadPosition (profileOffset);
if (profileInfo.ParseExtended (stream))
{
fExtraCameraProfiles.push_back (profileInfo);
}
else
{
#if qDNGValidate
ReportWarning ("Unable to parse extra camera profile");
#endif
}
}
#if qDNGValidate
if (gVerbose)
{
printf ("\nDone with ExtraCameraProfiles\n\n");
}
#endif
break;
}
case tcAsShotProfileName:
{
CheckTagType (parentCode, tagCode, tagType, ttAscii, ttByte);
ParseStringTag (stream,
parentCode,
tagCode,
tagCount,
fAsShotProfileName,
false,
false);
#if qDNGValidate
if (gVerbose)
{
printf ("AsShotProfileName: ");
DumpString (fAsShotProfileName);
printf ("\n");
}
#endif
break;
}
default:
{
// The main camera profile tags also appear in IFD 0
return fCameraProfile.ParseTag (stream,
parentCode,
tagCode,
tagType,
tagCount,
tagOffset);
}
}
return true;
}
