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Complete DNG 1.4 spec support

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This commit is contained in:
Miloš Komarčević 2020-11-25 15:37:11 +01:00
parent a2f4082beb
commit b410eb3550
1 changed files with 70 additions and 13 deletions
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83
src/tags_int.cpp
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@ -397,8 +397,8 @@ namespace Exiv2 {
{ 8, N_("Color sequential linear") }
};
//! CFALayout, tag 0xc617
extern const TagDetails exifCfaLayout[] = {
//! CFALayout, DNG tag 0xc617
extern const TagDetails dngCfaLayout[] = {
{ 1, N_("Rectangular (or square) layout") },
{ 2, N_("Staggered layout A: even columns are offset down by 1/2 row") },
{ 3, N_("Staggered layout B: even columns are offset up by 1/2 row") },
@ -411,19 +411,19 @@ namespace Exiv2 {
};
//! MakerNoteSafety, DNG tag 0xc635
extern const TagDetails exifMakerNoteSafety[] = {
extern const TagDetails dngMakerNoteSafety[] = {
{ 0, N_("Unsafe") },
{ 1, N_("Safe") }
};
//! ColorimetricReference, DNG 1.2 tag 0xc6bf
extern const TagDetails exifColorimetricReference[] = {
extern const TagDetails dngColorimetricReference[] = {
{ 0, N_("XYZ values are scene-referred") },
{ 1, N_("XYZ values are output-referred") }
};
//! ProfileEmbedPolicy, DNG 1.2 tag 0xc6fd
extern const TagDetails exifProfileEmbedPolicy[] = {
extern const TagDetails dngProfileEmbedPolicy[] = {
{ 0, N_("Allow copying") },
{ 1, N_("Embed if used") },
{ 2, N_("Embed never") },
@ -431,7 +431,7 @@ namespace Exiv2 {
};
//! PreviewColorSpace, DNG 1.2 tag 0xc71a
extern const TagDetails exifPreviewColorSpace[] = {
extern const TagDetails dngPreviewColorSpace[] = {
{ 0, N_("Unknown") },
{ 1, N_("Gray Gamma 2.2") },
{ 2, N_("sRGB") },
@ -439,6 +439,18 @@ namespace Exiv2 {
{ 4, N_("ProPhoto RGB") }
};
//! ProfileEncoding, DNG 1.4 tags 0xc7a3, 0xc7a4
extern const TagDetails dngProfileEncoding[] = {
{ 0, N_("Linear") },
{ 1, N_("sRGB") }
};
//! DefaultBlackRender, DNG 1.4 tag 0xc7a6
extern const TagDetails dngDefaultBlackRender[] = {
{ 0, N_("Auto") },
{ 1, N_("None") }
};
//! Base IFD Tags (IFD0 and IFD1)
static const TagInfo ifdTagInfo[] = {
@ -952,7 +964,7 @@ namespace Exiv2 {
ifd0Id, dngTags, unsignedByte, -1, printValue), // DNG tag
TagInfo(0xc617, "CFALayout", N_("CFA Layout"),
N_("Describes the spatial layout of the CFA."),
ifd0Id, dngTags, unsignedShort, 1, EXV_PRINT_TAG(exifCfaLayout)), // DNG tag
ifd0Id, dngTags, unsignedShort, 1, EXV_PRINT_TAG(dngCfaLayout)), // DNG tag
TagInfo(0xc618, "LinearizationTable", N_("Linearization Table"),
N_("Describes a lookup table that maps stored values into linear values. "
"This tag is typically used to increase compression ratios by storing "
@ -1166,7 +1178,7 @@ namespace Exiv2 {
"with a preserved MakerNote should be aware that any thumbnail "
"image embedded in the MakerNote may be stale, and may not reflect "
"the current state of the full size image."),
ifd0Id, dngTags, unsignedShort, 1, EXV_PRINT_TAG(exifMakerNoteSafety)), // DNG tag
ifd0Id, dngTags, unsignedShort, 1, EXV_PRINT_TAG(dngMakerNoteSafety)), // DNG tag
TagInfo(0xc65a, "CalibrationIlluminant1", N_("Calibration Illuminant 1"),
N_("The illuminant used for the first set of color calibration tags "
"(ColorMatrix1, CameraCalibration1, ReductionMatrix1). The legal "
@ -1267,7 +1279,7 @@ namespace Exiv2 {
"are output-referred, using the ICC profile perceptual dynamic range. This "
"tag allows output-referred data to be stored in DNG files and still processed "
"correctly by DNG readers."),
ifd0Id, dngTags, unsignedShort, 0, EXV_PRINT_TAG(exifColorimetricReference)), // DNG tag
ifd0Id, dngTags, unsignedShort, 1, EXV_PRINT_TAG(dngColorimetricReference)), // DNG tag
TagInfo(0xc6f3, "CameraCalibrationSignature", N_("Camera Calibration Signature"),
N_("A UTF-8 encoded string associated with the CameraCalibration1 and "
"CameraCalibration2 tags. The CameraCalibration1 and CameraCalibration2 tags "
@ -1345,7 +1357,7 @@ namespace Exiv2 {
TagInfo(0xc6fd, "ProfileEmbedPolicy", N_("Profile Embed Policy"),
N_("This tag contains information about the usage rules for the associated "
"camera profile."),
ifd0Id, dngTags, unsignedLong, 1, EXV_PRINT_TAG(exifProfileEmbedPolicy)), // DNG tag
ifd0Id, dngTags, unsignedLong, 1, EXV_PRINT_TAG(dngProfileEmbedPolicy)), // DNG tag
TagInfo(0xc6fe, "ProfileCopyright", N_("Profile Copyright"),
N_("A UTF-8 encoded string containing the copyright information for the "
"camera profile. This string always should be preserved along with the other "
@ -1379,7 +1391,7 @@ namespace Exiv2 {
N_("This tag specifies the color space in which the rendered preview in this "
"IFD is stored. The default value for this tag is sRGB for color previews "
"and Gray Gamma 2.2 for monochrome previews."),
ifd0Id, dngTags, unsignedLong, 1, EXV_PRINT_TAG(exifPreviewColorSpace)), // DNG tag
ifd0Id, dngTags, unsignedLong, 1, EXV_PRINT_TAG(dngPreviewColorSpace)), // DNG tag
TagInfo(0xc71b, "PreviewDateTime", N_("Preview Date Time"),
N_("This tag is an ASCII string containing the name of the date/time at which "
"the preview stored in the IFD was rendered. The date/time is encoded using "
@ -1490,6 +1502,35 @@ namespace Exiv2 {
"for how the camera is used or assigned in this clip. "
"This tag is similar to CameraLabel in XMP."),
ifd0Id, dngTags, asciiString, -1, printValue), // DNG tag
TagInfo(0xc791, "OriginalDefaultFinalSize", N_("Original Default Final Size"),
N_("If this file is a proxy for a larger original DNG file, this tag specifics the "
"default final size of the larger original file from which this proxy was generated. "
"The default value for this tag is default final size of the current DNG file, which "
"is DefaultCropSize * DefaultScale."),
ifd0Id, dngTags, unsignedShort, 2, printValue), // DNG 1.4 tag
TagInfo(0xc792, "OriginalBestQualityFinalSize", N_("Original Best Quality Final Size"),
N_("If this file is a proxy for a larger original DNG file, this tag specifics the "
"best quality final size of the larger original file from which this proxy was "
"generated. The default value for this tag is the OriginalDefaultFinalSize, if "
"specified. Otherwise the default value for this tag is the best quality size of "
"the current DNG file, which is DefaultCropSize * DefaultScale * BestQualityScale."),
ifd0Id, dngTags, unsignedShort, 2, printValue), // DNG 1.4 tag
TagInfo(0xc793, "OriginalDefaultCropSize", N_("Original Default Crop Size"),
N_("If this file is a proxy for a larger original DNG file, this tag specifics the "
"DefaultCropSize of the larger original file from which this proxy was generated. "
"The default value for this tag is OriginalDefaultFinalSize, if specified. Otherwise, "
"the default value for this tag is the DefaultCropSize of the current DNG file."),
ifd0Id, dngTags, unsignedShort, 2, printValue), // DNG 1.4 tag
TagInfo(0xc7a3, "ProfileHueSatMapEncoding", N_("Profile Hue Sat Map Encoding"),
N_("Provides a way for color profiles to specify how indexing into a 3D HueSatMap is "
"performed during raw conversion. This tag is not applicable to 2.5D HueSatMap tables "
"(i.e., where the Value dimension is 1)."),
ifd0Id, dngTags, unsignedLong, 1, EXV_PRINT_TAG(dngProfileEncoding)), // DNG 1.4 tag
TagInfo(0xc7a4, "ProfileLookTableEncoding", N_("Profile Look Table Encoding"),
N_("Provides a way for color profiles to specify how indexing into a 3D LookTable is "
"performed during raw conversion. This tag is not applicable to a 2.5D LookTable "
"(i.e., where the Value dimension is 1)."),
ifd0Id, dngTags, unsignedLong, 1, EXV_PRINT_TAG(dngProfileEncoding)), // DNG 1.4 tag
TagInfo(0xc7a5, "BaselineExposureOffset", N_("Baseline Exposure Offset"),
N_("Provides a way for color profiles to increase or decrease exposure during raw conversion. "
"BaselineExposureOffset specifies the amount (in EV units) to add to the BaselineExposure tag "
@ -1497,13 +1538,29 @@ namespace Exiv2 {
"is +0.3, and the BaselineExposureOffset value for a given camera profile used to render an "
"image for that camera model is -0.7, then the actual default exposure value used during "
"rendering will be +0.3 - 0.7 = -0.4."),
ifd0Id, dngTags, signedRational, 1, printValue), // DNG tag
ifd0Id, dngTags, signedRational, 1, printFloat), // DNG 1.4 tag
TagInfo(0xc7a6, "DefaultBlackRender", N_("Default Black Render"),
N_("This optional tag in a color profile provides a hint to the raw converter "
"regarding how to handle the black point (e.g., flare subtraction) during rendering. "
"If set to Auto, the raw converter should perform black subtraction during "
"rendering. If set to None, the raw converter should not perform any black "
"subtraction during rendering."),
ifd0Id, dngTags, unsignedLong, 1, EXV_PRINT_TAG(dngDefaultBlackRender)), // DNG 1.4 tag
TagInfo(0xc7a7, "NewRawImageDigest", N_("New Raw Image Digest"),
N_("This tag is a modified MD5 digest of the raw image data. It has been updated "
"from the algorithm used to compute the RawImageDigest tag be more multi-processor "
"friendly, and to support lossy compression algorithms."),
ifd0Id, dngTags, unsignedByte, 16, printValue), // DNG 1.4 tag
TagInfo(0xc7a8, "RawToPreviewGain", N_("Raw To Preview Gain"),
N_("The gain (what number the sample values are multiplied by) between the main "
"raw IFD and the preview IFD containing this tag."),
ifd0Id, dngTags, tiffDouble, 1, printValue), // DNG 1.4 tag
TagInfo(0xc7b5, "DefaultUserCrop", N_("Default User Crop"),
N_("Specifies a default user crop rectangle in relative coordinates. "
"The values must satisfy: 0.0 <= top < bottom <= 1.0, 0.0 <= left < right <= 1.0."
"The default values of (top = 0, left = 0, bottom = 1, right = 1) correspond exactly to the default "
"crop rectangle (as specified by the DefaultCropOrigin and DefaultCropSize tags)."),
ifd0Id, dngTags, signedRational, 4, printValue), // DNG tag
ifd0Id, dngTags, unsignedRational, 4, printFloat), // DNG 1.4 tag
////////////////////////////////////////
// End of list marker