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-rw-r--r--source/dng_preview.cpp1418
1 files changed, 709 insertions, 709 deletions
diff --git a/source/dng_preview.cpp b/source/dng_preview.cpp
index 1a65cb0..6fbeb20 100644
--- a/source/dng_preview.cpp
+++ b/source/dng_preview.cpp
@@ -1,709 +1,709 @@
-/*****************************************************************************/
-// Copyright 2007-2011 Adobe Systems Incorporated
-// All Rights Reserved.
-//
-// NOTICE: Adobe permits you to use, modify, and distribute this file in
-// accordance with the terms of the Adobe license agreement accompanying it.
-/*****************************************************************************/
-
-/* $Id: //mondo/dng_sdk_1_4/dng_sdk/source/dng_preview.cpp#1 $ */
-/* $DateTime: 2012/05/30 13:28:51 $ */
-/* $Change: 832332 $ */
-/* $Author: tknoll $ */
-
-/*****************************************************************************/
-
-#include "dng_preview.h"
-
-#include "dng_assertions.h"
-#include "dng_image.h"
-#include "dng_image_writer.h"
-#include "dng_memory.h"
-#include "dng_stream.h"
-#include "dng_tag_codes.h"
-#include "dng_tag_values.h"
-
-/*****************************************************************************/
-
-class dng_preview_tag_set: public dng_basic_tag_set
- {
-
- private:
-
- tag_string fApplicationNameTag;
-
- tag_string fApplicationVersionTag;
-
- tag_string fSettingsNameTag;
-
- dng_fingerprint fSettingsDigest;
-
- tag_uint8_ptr fSettingsDigestTag;
-
- tag_uint32 fColorSpaceTag;
-
- tag_string fDateTimeTag;
-
- tag_real64 fRawToPreviewGainTag;
-
- tag_uint32 fCacheVersionTag;
-
- public:
-
- dng_preview_tag_set (dng_tiff_directory &directory,
- const dng_preview &preview,
- const dng_ifd &ifd);
-
- virtual ~dng_preview_tag_set ();
-
- };
-
-/*****************************************************************************/
-
-dng_preview_tag_set::dng_preview_tag_set (dng_tiff_directory &directory,
- const dng_preview &preview,
- const dng_ifd &ifd)
-
- : dng_basic_tag_set (directory, ifd)
-
- , fApplicationNameTag (tcPreviewApplicationName,
- preview.fInfo.fApplicationName,
- false)
-
- , fApplicationVersionTag (tcPreviewApplicationVersion,
- preview.fInfo.fApplicationVersion,
- false)
-
- , fSettingsNameTag (tcPreviewSettingsName,
- preview.fInfo.fSettingsName,
- false)
-
- , fSettingsDigest (preview.fInfo.fSettingsDigest)
-
- , fSettingsDigestTag (tcPreviewSettingsDigest,
- fSettingsDigest.data,
- 16)
-
- , fColorSpaceTag (tcPreviewColorSpace,
- preview.fInfo.fColorSpace)
-
- , fDateTimeTag (tcPreviewDateTime,
- preview.fInfo.fDateTime,
- true)
-
- , fRawToPreviewGainTag (tcRawToPreviewGain,
- preview.fInfo.fRawToPreviewGain)
-
- , fCacheVersionTag (tcCacheVersion,
- preview.fInfo.fCacheVersion)
-
- {
-
- if (preview.fInfo.fApplicationName.NotEmpty ())
- {
-
- directory.Add (&fApplicationNameTag);
-
- }
-
- if (preview.fInfo.fApplicationVersion.NotEmpty ())
- {
-
- directory.Add (&fApplicationVersionTag);
-
- }
-
- if (preview.fInfo.fSettingsName.NotEmpty ())
- {
-
- directory.Add (&fSettingsNameTag);
-
- }
-
- if (preview.fInfo.fSettingsDigest.IsValid ())
- {
-
- directory.Add (&fSettingsDigestTag);
-
- }
-
- if (preview.fInfo.fColorSpace != previewColorSpace_MaxEnum)
- {
-
- directory.Add (&fColorSpaceTag);
-
- }
-
- if (preview.fInfo.fDateTime.NotEmpty ())
- {
-
- directory.Add (&fDateTimeTag);
-
- }
-
- if (preview.fInfo.fRawToPreviewGain != 1.0)
- {
-
- directory.Add (&fRawToPreviewGainTag);
-
- }
-
- if (preview.fInfo.fCacheVersion != 0)
- {
-
- directory.Add (&fCacheVersionTag);
-
- }
-
- }
-
-/*****************************************************************************/
-
-dng_preview_tag_set::~dng_preview_tag_set ()
- {
-
- }
-
-/*****************************************************************************/
-
-dng_preview::dng_preview ()
-
- : fInfo ()
-
- {
-
- }
-
-/*****************************************************************************/
-
-dng_preview::~dng_preview ()
- {
-
- }
-
-/*****************************************************************************/
-
-dng_image_preview::dng_image_preview ()
-
- : fImage ()
- , fIFD ()
-
- {
-
- }
-
-/*****************************************************************************/
-
-dng_image_preview::~dng_image_preview ()
- {
-
- }
-
-/*****************************************************************************/
-
-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_image_preview::WriteData (dng_host &host,
- dng_image_writer &writer,
- dng_basic_tag_set &basic,
- dng_stream &stream) const
- {
-
- writer.WriteImage (host,
- fIFD,
- basic,
- stream,
- *fImage.Get ());
-
- }
-
-/*****************************************************************************/
-
-class dng_jpeg_preview_tag_set: public dng_preview_tag_set
- {
-
- private:
-
- dng_urational fCoefficientsData [3];
-
- tag_urational_ptr fCoefficientsTag;
-
- uint16 fSubSamplingData [2];
-
- tag_uint16_ptr fSubSamplingTag;
-
- tag_uint16 fPositioningTag;
-
- dng_urational fReferenceData [6];
-
- tag_urational_ptr fReferenceTag;
-
- public:
-
- dng_jpeg_preview_tag_set (dng_tiff_directory &directory,
- const dng_jpeg_preview &preview,
- const dng_ifd &ifd);
-
- virtual ~dng_jpeg_preview_tag_set ();
-
- };
-
-/******************************************************************************/
-
-dng_jpeg_preview_tag_set::dng_jpeg_preview_tag_set (dng_tiff_directory &directory,
- const dng_jpeg_preview &preview,
- const dng_ifd &ifd)
-
- : dng_preview_tag_set (directory, preview, ifd)
-
- , fCoefficientsTag (tcYCbCrCoefficients, fCoefficientsData, 3)
-
- , fSubSamplingTag (tcYCbCrSubSampling, fSubSamplingData, 2)
-
- , fPositioningTag (tcYCbCrPositioning, preview.fYCbCrPositioning)
-
- , fReferenceTag (tcReferenceBlackWhite, fReferenceData, 6)
-
- {
-
- if (preview.fPhotometricInterpretation == piYCbCr)
- {
-
- fCoefficientsData [0] = dng_urational (299, 1000);
- fCoefficientsData [1] = dng_urational (587, 1000);
- fCoefficientsData [2] = dng_urational (114, 1000);
-
- directory.Add (&fCoefficientsTag);
-
- fSubSamplingData [0] = (uint16) preview.fYCbCrSubSampling.h;
- fSubSamplingData [1] = (uint16) preview.fYCbCrSubSampling.v;
-
- directory.Add (&fSubSamplingTag);
-
- directory.Add (&fPositioningTag);
-
- fReferenceData [0] = dng_urational ( 0, 1);
- fReferenceData [1] = dng_urational (255, 1);
- fReferenceData [2] = dng_urational (128, 1);
- fReferenceData [3] = dng_urational (255, 1);
- fReferenceData [4] = dng_urational (128, 1);
- fReferenceData [5] = dng_urational (255, 1);
-
- directory.Add (&fReferenceTag);
-
- }
-
- }
-
-/*****************************************************************************/
-
-dng_jpeg_preview_tag_set::~dng_jpeg_preview_tag_set ()
- {
-
- }
-
-/*****************************************************************************/
-
-dng_jpeg_preview::dng_jpeg_preview ()
-
- : fPreviewSize ()
- , fPhotometricInterpretation (piYCbCr)
- , fYCbCrSubSampling (1, 1)
- , fYCbCrPositioning (2)
- , fCompressedData ()
-
- {
-
- }
-
-/*****************************************************************************/
-
-dng_jpeg_preview::~dng_jpeg_preview ()
- {
-
- }
-
-/*****************************************************************************/
-
-dng_basic_tag_set * dng_jpeg_preview::AddTagSet (dng_tiff_directory &directory) const
- {
-
- dng_ifd ifd;
-
- ifd.fNewSubFileType = fInfo.fIsPrimary ? sfPreviewImage
- : sfAltPreviewImage;
-
- ifd.fImageWidth = fPreviewSize.h;
- ifd.fImageLength = fPreviewSize.v;
-
- ifd.fPhotometricInterpretation = fPhotometricInterpretation;
-
- ifd.fBitsPerSample [0] = 8;
- ifd.fBitsPerSample [1] = 8;
- ifd.fBitsPerSample [2] = 8;
-
- ifd.fSamplesPerPixel = (fPhotometricInterpretation == piBlackIsZero ? 1 : 3);
-
- ifd.fCompression = ccJPEG;
- ifd.fPredictor = cpNullPredictor;
-
- ifd.SetSingleStrip ();
-
- return new dng_jpeg_preview_tag_set (directory, *this, ifd);
-
- }
-
-/*****************************************************************************/
-
-void dng_jpeg_preview::WriteData (dng_host & /* host */,
- dng_image_writer & /* writer */,
- dng_basic_tag_set &basic,
- dng_stream &stream) const
- {
-
- basic.SetTileOffset (0, (uint32) stream.Position ());
-
- basic.SetTileByteCount (0, fCompressedData->LogicalSize ());
-
- stream.Put (fCompressedData->Buffer (),
- fCompressedData->LogicalSize ());
-
- if (fCompressedData->LogicalSize () & 1)
- {
- stream.Put_uint8 (0);
- }
-
- }
-
-/*****************************************************************************/
-
-void dng_jpeg_preview::SpoolAdobeThumbnail (dng_stream &stream) const
- {
-
- DNG_ASSERT (fCompressedData.Get (),
- "SpoolAdobeThumbnail: no data");
-
- DNG_ASSERT (fPhotometricInterpretation == piYCbCr,
- "SpoolAdobeThumbnail: Non-YCbCr");
-
- uint32 compressedSize = fCompressedData->LogicalSize ();
-
- stream.Put_uint32 (DNG_CHAR4 ('8','B','I','M'));
- stream.Put_uint16 (1036);
- stream.Put_uint16 (0);
-
- stream.Put_uint32 (compressedSize + 28);
-
- uint32 widthBytes = (fPreviewSize.h * 24 + 31) / 32 * 4;
-
- stream.Put_uint32 (1);
- stream.Put_uint32 (fPreviewSize.h);
- stream.Put_uint32 (fPreviewSize.v);
- stream.Put_uint32 (widthBytes);
- stream.Put_uint32 (widthBytes * fPreviewSize.v);
- stream.Put_uint32 (compressedSize);
- stream.Put_uint16 (24);
- stream.Put_uint16 (1);
-
- stream.Put (fCompressedData->Buffer (),
- compressedSize);
-
- if (compressedSize & 1)
- {
- stream.Put_uint8 (0);
- }
-
- }
-
-/*****************************************************************************/
-
-class dng_raw_preview_tag_set: public dng_preview_tag_set
- {
-
- private:
-
- tag_data_ptr fOpcodeList2Tag;
-
- tag_uint32_ptr fWhiteLevelTag;
-
- uint32 fWhiteLevelData [kMaxColorPlanes];
-
- public:
-
- dng_raw_preview_tag_set (dng_tiff_directory &directory,
- const dng_raw_preview &preview,
- const dng_ifd &ifd);
-
- virtual ~dng_raw_preview_tag_set ();
-
- };
-
-/*****************************************************************************/
-
-dng_raw_preview_tag_set::dng_raw_preview_tag_set (dng_tiff_directory &directory,
- const dng_raw_preview &preview,
- const dng_ifd &ifd)
-
- : dng_preview_tag_set (directory, preview, ifd)
-
- , fOpcodeList2Tag (tcOpcodeList2,
- ttUndefined,
- 0,
- NULL)
-
- , fWhiteLevelTag (tcWhiteLevel,
- fWhiteLevelData,
- preview.fImage->Planes ())
-
- {
-
- if (preview.fOpcodeList2Data.Get ())
- {
-
- fOpcodeList2Tag.SetData (preview.fOpcodeList2Data->Buffer ());
- fOpcodeList2Tag.SetCount (preview.fOpcodeList2Data->LogicalSize ());
-
- directory.Add (&fOpcodeList2Tag);
-
- }
-
- if (preview.fImage->PixelType () == ttFloat)
- {
-
- for (uint32 j = 0; j < kMaxColorPlanes; j++)
- {
- fWhiteLevelData [j] = 32768;
- }
-
- directory.Add (&fWhiteLevelTag);
-
- }
-
- }
-
-/*****************************************************************************/
-
-dng_raw_preview_tag_set::~dng_raw_preview_tag_set ()
- {
-
- }
-
-/*****************************************************************************/
-
-dng_raw_preview::dng_raw_preview ()
-
- : fImage ()
- , fOpcodeList2Data ()
- , fCompressionQuality (-1)
- , fIFD ()
-
- {
-
- }
-
-/*****************************************************************************/
-
-dng_raw_preview::~dng_raw_preview ()
- {
-
- }
-
-/*****************************************************************************/
-
-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_raw_preview::WriteData (dng_host &host,
- dng_image_writer &writer,
- dng_basic_tag_set &basic,
- dng_stream &stream) const
- {
-
- writer.WriteImage (host,
- fIFD,
- basic,
- stream,
- *fImage.Get ());
-
- }
-
-/*****************************************************************************/
-
-dng_mask_preview::dng_mask_preview ()
-
- : fImage ()
- , fCompressionQuality (-1)
- , fIFD ()
-
- {
-
- }
-
-/*****************************************************************************/
-
-dng_mask_preview::~dng_mask_preview ()
- {
-
- }
-
-/*****************************************************************************/
-
-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);
-
- }
-
-/*****************************************************************************/
-
-void dng_mask_preview::WriteData (dng_host &host,
- dng_image_writer &writer,
- dng_basic_tag_set &basic,
- dng_stream &stream) const
- {
-
- writer.WriteImage (host,
- fIFD,
- basic,
- stream,
- *fImage.Get ());
-
- }
-
-/*****************************************************************************/
-
-dng_preview_list::dng_preview_list ()
-
- : fCount (0)
-
- {
-
- }
-
-/*****************************************************************************/
-
-dng_preview_list::~dng_preview_list ()
- {
-
- }
-
-/*****************************************************************************/
-
-void dng_preview_list::Append (AutoPtr<dng_preview> &preview)
- {
-
- if (preview.Get ())
- {
-
- DNG_ASSERT (fCount < kMaxDNGPreviews, "DNG preview list overflow");
-
- if (fCount < kMaxDNGPreviews)
- {
-
- fPreview [fCount++] . Reset (preview.Release ());
-
- }
-
- }
-
- }
-
-/*****************************************************************************/
+/*****************************************************************************/
+// Copyright 2007-2011 Adobe Systems Incorporated
+// All Rights Reserved.
+//
+// NOTICE: Adobe permits you to use, modify, and distribute this file in
+// accordance with the terms of the Adobe license agreement accompanying it.
+/*****************************************************************************/
+
+/* $Id: //mondo/dng_sdk_1_4/dng_sdk/source/dng_preview.cpp#1 $ */
+/* $DateTime: 2012/05/30 13:28:51 $ */
+/* $Change: 832332 $ */
+/* $Author: tknoll $ */
+
+/*****************************************************************************/
+
+#include "dng_preview.h"
+
+#include "dng_assertions.h"
+#include "dng_image.h"
+#include "dng_image_writer.h"
+#include "dng_memory.h"
+#include "dng_stream.h"
+#include "dng_tag_codes.h"
+#include "dng_tag_values.h"
+
+/*****************************************************************************/
+
+class dng_preview_tag_set: public dng_basic_tag_set
+ {
+
+ private:
+
+ tag_string fApplicationNameTag;
+
+ tag_string fApplicationVersionTag;
+
+ tag_string fSettingsNameTag;
+
+ dng_fingerprint fSettingsDigest;
+
+ tag_uint8_ptr fSettingsDigestTag;
+
+ tag_uint32 fColorSpaceTag;
+
+ tag_string fDateTimeTag;
+
+ tag_real64 fRawToPreviewGainTag;
+
+ tag_uint32 fCacheVersionTag;
+
+ public:
+
+ dng_preview_tag_set (dng_tiff_directory &directory,
+ const dng_preview &preview,
+ const dng_ifd &ifd);
+
+ virtual ~dng_preview_tag_set ();
+
+ };
+
+/*****************************************************************************/
+
+dng_preview_tag_set::dng_preview_tag_set (dng_tiff_directory &directory,
+ const dng_preview &preview,
+ const dng_ifd &ifd)
+
+ : dng_basic_tag_set (directory, ifd)
+
+ , fApplicationNameTag (tcPreviewApplicationName,
+ preview.fInfo.fApplicationName,
+ false)
+
+ , fApplicationVersionTag (tcPreviewApplicationVersion,
+ preview.fInfo.fApplicationVersion,
+ false)
+
+ , fSettingsNameTag (tcPreviewSettingsName,
+ preview.fInfo.fSettingsName,
+ false)
+
+ , fSettingsDigest (preview.fInfo.fSettingsDigest)
+
+ , fSettingsDigestTag (tcPreviewSettingsDigest,
+ fSettingsDigest.data,
+ 16)
+
+ , fColorSpaceTag (tcPreviewColorSpace,
+ preview.fInfo.fColorSpace)
+
+ , fDateTimeTag (tcPreviewDateTime,
+ preview.fInfo.fDateTime,
+ true)
+
+ , fRawToPreviewGainTag (tcRawToPreviewGain,
+ preview.fInfo.fRawToPreviewGain)
+
+ , fCacheVersionTag (tcCacheVersion,
+ preview.fInfo.fCacheVersion)
+
+ {
+
+ if (preview.fInfo.fApplicationName.NotEmpty ())
+ {
+
+ directory.Add (&fApplicationNameTag);
+
+ }
+
+ if (preview.fInfo.fApplicationVersion.NotEmpty ())
+ {
+
+ directory.Add (&fApplicationVersionTag);
+
+ }
+
+ if (preview.fInfo.fSettingsName.NotEmpty ())
+ {
+
+ directory.Add (&fSettingsNameTag);
+
+ }
+
+ if (preview.fInfo.fSettingsDigest.IsValid ())
+ {
+
+ directory.Add (&fSettingsDigestTag);
+
+ }
+
+ if (preview.fInfo.fColorSpace != previewColorSpace_MaxEnum)
+ {
+
+ directory.Add (&fColorSpaceTag);
+
+ }
+
+ if (preview.fInfo.fDateTime.NotEmpty ())
+ {
+
+ directory.Add (&fDateTimeTag);
+
+ }
+
+ if (preview.fInfo.fRawToPreviewGain != 1.0)
+ {
+
+ directory.Add (&fRawToPreviewGainTag);
+
+ }
+
+ if (preview.fInfo.fCacheVersion != 0)
+ {
+
+ directory.Add (&fCacheVersionTag);
+
+ }
+
+ }
+
+/*****************************************************************************/
+
+dng_preview_tag_set::~dng_preview_tag_set ()
+ {
+
+ }
+
+/*****************************************************************************/
+
+dng_preview::dng_preview ()
+
+ : fInfo ()
+
+ {
+
+ }
+
+/*****************************************************************************/
+
+dng_preview::~dng_preview ()
+ {
+
+ }
+
+/*****************************************************************************/
+
+dng_image_preview::dng_image_preview ()
+
+ : fImage ()
+ , fIFD ()
+
+ {
+
+ }
+
+/*****************************************************************************/
+
+dng_image_preview::~dng_image_preview ()
+ {
+
+ }
+
+/*****************************************************************************/
+
+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_image_preview::WriteData (dng_host &host,
+ dng_image_writer &writer,
+ dng_basic_tag_set &basic,
+ dng_stream &stream) const
+ {
+
+ writer.WriteImage (host,
+ fIFD,
+ basic,
+ stream,
+ *fImage.Get ());
+
+ }
+
+/*****************************************************************************/
+
+class dng_jpeg_preview_tag_set: public dng_preview_tag_set
+ {
+
+ private:
+
+ dng_urational fCoefficientsData [3];
+
+ tag_urational_ptr fCoefficientsTag;
+
+ uint16 fSubSamplingData [2];
+
+ tag_uint16_ptr fSubSamplingTag;
+
+ tag_uint16 fPositioningTag;
+
+ dng_urational fReferenceData [6];
+
+ tag_urational_ptr fReferenceTag;
+
+ public:
+
+ dng_jpeg_preview_tag_set (dng_tiff_directory &directory,
+ const dng_jpeg_preview &preview,
+ const dng_ifd &ifd);
+
+ virtual ~dng_jpeg_preview_tag_set ();
+
+ };
+
+/******************************************************************************/
+
+dng_jpeg_preview_tag_set::dng_jpeg_preview_tag_set (dng_tiff_directory &directory,
+ const dng_jpeg_preview &preview,
+ const dng_ifd &ifd)
+
+ : dng_preview_tag_set (directory, preview, ifd)
+
+ , fCoefficientsTag (tcYCbCrCoefficients, fCoefficientsData, 3)
+
+ , fSubSamplingTag (tcYCbCrSubSampling, fSubSamplingData, 2)
+
+ , fPositioningTag (tcYCbCrPositioning, preview.fYCbCrPositioning)
+
+ , fReferenceTag (tcReferenceBlackWhite, fReferenceData, 6)
+
+ {
+
+ if (preview.fPhotometricInterpretation == piYCbCr)
+ {
+
+ fCoefficientsData [0] = dng_urational (299, 1000);
+ fCoefficientsData [1] = dng_urational (587, 1000);
+ fCoefficientsData [2] = dng_urational (114, 1000);
+
+ directory.Add (&fCoefficientsTag);
+
+ fSubSamplingData [0] = (uint16) preview.fYCbCrSubSampling.h;
+ fSubSamplingData [1] = (uint16) preview.fYCbCrSubSampling.v;
+
+ directory.Add (&fSubSamplingTag);
+
+ directory.Add (&fPositioningTag);
+
+ fReferenceData [0] = dng_urational ( 0, 1);
+ fReferenceData [1] = dng_urational (255, 1);
+ fReferenceData [2] = dng_urational (128, 1);
+ fReferenceData [3] = dng_urational (255, 1);
+ fReferenceData [4] = dng_urational (128, 1);
+ fReferenceData [5] = dng_urational (255, 1);
+
+ directory.Add (&fReferenceTag);
+
+ }
+
+ }
+
+/*****************************************************************************/
+
+dng_jpeg_preview_tag_set::~dng_jpeg_preview_tag_set ()
+ {
+
+ }
+
+/*****************************************************************************/
+
+dng_jpeg_preview::dng_jpeg_preview ()
+
+ : fPreviewSize ()
+ , fPhotometricInterpretation (piYCbCr)
+ , fYCbCrSubSampling (1, 1)
+ , fYCbCrPositioning (2)
+ , fCompressedData ()
+
+ {
+
+ }
+
+/*****************************************************************************/
+
+dng_jpeg_preview::~dng_jpeg_preview ()
+ {
+
+ }
+
+/*****************************************************************************/
+
+dng_basic_tag_set * dng_jpeg_preview::AddTagSet (dng_tiff_directory &directory) const
+ {
+
+ dng_ifd ifd;
+
+ ifd.fNewSubFileType = fInfo.fIsPrimary ? sfPreviewImage
+ : sfAltPreviewImage;
+
+ ifd.fImageWidth = fPreviewSize.h;
+ ifd.fImageLength = fPreviewSize.v;
+
+ ifd.fPhotometricInterpretation = fPhotometricInterpretation;
+
+ ifd.fBitsPerSample [0] = 8;
+ ifd.fBitsPerSample [1] = 8;
+ ifd.fBitsPerSample [2] = 8;
+
+ ifd.fSamplesPerPixel = (fPhotometricInterpretation == piBlackIsZero ? 1 : 3);
+
+ ifd.fCompression = ccJPEG;
+ ifd.fPredictor = cpNullPredictor;
+
+ ifd.SetSingleStrip ();
+
+ return new dng_jpeg_preview_tag_set (directory, *this, ifd);
+
+ }
+
+/*****************************************************************************/
+
+void dng_jpeg_preview::WriteData (dng_host & /* host */,
+ dng_image_writer & /* writer */,
+ dng_basic_tag_set &basic,
+ dng_stream &stream) const
+ {
+
+ basic.SetTileOffset (0, (uint32) stream.Position ());
+
+ basic.SetTileByteCount (0, fCompressedData->LogicalSize ());
+
+ stream.Put (fCompressedData->Buffer (),
+ fCompressedData->LogicalSize ());
+
+ if (fCompressedData->LogicalSize () & 1)
+ {
+ stream.Put_uint8 (0);
+ }
+
+ }
+
+/*****************************************************************************/
+
+void dng_jpeg_preview::SpoolAdobeThumbnail (dng_stream &stream) const
+ {
+
+ DNG_ASSERT (fCompressedData.Get (),
+ "SpoolAdobeThumbnail: no data");
+
+ DNG_ASSERT (fPhotometricInterpretation == piYCbCr,
+ "SpoolAdobeThumbnail: Non-YCbCr");
+
+ uint32 compressedSize = fCompressedData->LogicalSize ();
+
+ stream.Put_uint32 (DNG_CHAR4 ('8','B','I','M'));
+ stream.Put_uint16 (1036);
+ stream.Put_uint16 (0);
+
+ stream.Put_uint32 (compressedSize + 28);
+
+ uint32 widthBytes = (fPreviewSize.h * 24 + 31) / 32 * 4;
+
+ stream.Put_uint32 (1);
+ stream.Put_uint32 (fPreviewSize.h);
+ stream.Put_uint32 (fPreviewSize.v);
+ stream.Put_uint32 (widthBytes);
+ stream.Put_uint32 (widthBytes * fPreviewSize.v);
+ stream.Put_uint32 (compressedSize);
+ stream.Put_uint16 (24);
+ stream.Put_uint16 (1);
+
+ stream.Put (fCompressedData->Buffer (),
+ compressedSize);
+
+ if (compressedSize & 1)
+ {
+ stream.Put_uint8 (0);
+ }
+
+ }
+
+/*****************************************************************************/
+
+class dng_raw_preview_tag_set: public dng_preview_tag_set
+ {
+
+ private:
+
+ tag_data_ptr fOpcodeList2Tag;
+
+ tag_uint32_ptr fWhiteLevelTag;
+
+ uint32 fWhiteLevelData [kMaxColorPlanes];
+
+ public:
+
+ dng_raw_preview_tag_set (dng_tiff_directory &directory,
+ const dng_raw_preview &preview,
+ const dng_ifd &ifd);
+
+ virtual ~dng_raw_preview_tag_set ();
+
+ };
+
+/*****************************************************************************/
+
+dng_raw_preview_tag_set::dng_raw_preview_tag_set (dng_tiff_directory &directory,
+ const dng_raw_preview &preview,
+ const dng_ifd &ifd)
+
+ : dng_preview_tag_set (directory, preview, ifd)
+
+ , fOpcodeList2Tag (tcOpcodeList2,
+ ttUndefined,
+ 0,
+ NULL)
+
+ , fWhiteLevelTag (tcWhiteLevel,
+ fWhiteLevelData,
+ preview.fImage->Planes ())
+
+ {
+
+ if (preview.fOpcodeList2Data.Get ())
+ {
+
+ fOpcodeList2Tag.SetData (preview.fOpcodeList2Data->Buffer ());
+ fOpcodeList2Tag.SetCount (preview.fOpcodeList2Data->LogicalSize ());
+
+ directory.Add (&fOpcodeList2Tag);
+
+ }
+
+ if (preview.fImage->PixelType () == ttFloat)
+ {
+
+ for (uint32 j = 0; j < kMaxColorPlanes; j++)
+ {
+ fWhiteLevelData [j] = 32768;
+ }
+
+ directory.Add (&fWhiteLevelTag);
+
+ }
+
+ }
+
+/*****************************************************************************/
+
+dng_raw_preview_tag_set::~dng_raw_preview_tag_set ()
+ {
+
+ }
+
+/*****************************************************************************/
+
+dng_raw_preview::dng_raw_preview ()
+
+ : fImage ()
+ , fOpcodeList2Data ()
+ , fCompressionQuality (-1)
+ , fIFD ()
+
+ {
+
+ }
+
+/*****************************************************************************/
+
+dng_raw_preview::~dng_raw_preview ()
+ {
+
+ }
+
+/*****************************************************************************/
+
+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_raw_preview::WriteData (dng_host &host,
+ dng_image_writer &writer,
+ dng_basic_tag_set &basic,
+ dng_stream &stream) const
+ {
+
+ writer.WriteImage (host,
+ fIFD,
+ basic,
+ stream,
+ *fImage.Get ());
+
+ }
+
+/*****************************************************************************/
+
+dng_mask_preview::dng_mask_preview ()
+
+ : fImage ()
+ , fCompressionQuality (-1)
+ , fIFD ()
+
+ {
+
+ }
+
+/*****************************************************************************/
+
+dng_mask_preview::~dng_mask_preview ()
+ {
+
+ }
+
+/*****************************************************************************/
+
+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);
+
+ }
+
+/*****************************************************************************/
+
+void dng_mask_preview::WriteData (dng_host &host,
+ dng_image_writer &writer,
+ dng_basic_tag_set &basic,
+ dng_stream &stream) const
+ {
+
+ writer.WriteImage (host,
+ fIFD,
+ basic,
+ stream,
+ *fImage.Get ());
+
+ }
+
+/*****************************************************************************/
+
+dng_preview_list::dng_preview_list ()
+
+ : fCount (0)
+
+ {
+
+ }
+
+/*****************************************************************************/
+
+dng_preview_list::~dng_preview_list ()
+ {
+
+ }
+
+/*****************************************************************************/
+
+void dng_preview_list::Append (AutoPtr<dng_preview> &preview)
+ {
+
+ if (preview.Get ())
+ {
+
+ DNG_ASSERT (fCount < kMaxDNGPreviews, "DNG preview list overflow");
+
+ if (fCount < kMaxDNGPreviews)
+ {
+
+ fPreview [fCount++] . Reset (preview.Release ());
+
+ }
+
+ }
+
+ }
+
+/*****************************************************************************/
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-08 18:20:05 +0000