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_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_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)
{
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);
}
}