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Merge pull request #8529 from radarhere/tiff_tags

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Hugo van Kemenade 2024-12-27 21:35:02 +02:00 committed by GitHub
commit 99ee337e07
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2 changed files with 9 additions and 3 deletions
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4
src/PIL/TiffImagePlugin.py
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@ -1914,7 +1914,9 @@ def _save(im: Image.Image, fp: IO[bytes], filename: str | bytes) -> None:
if not getattr(Image.core, "libtiff_support_custom_tags", False):
continue
if tag in ifd.tagtype:
if tag in TiffTags.TAGS_V2_GROUPS:
types[tag] = TiffTags.LONG8
elif tag in ifd.tagtype:
types[tag] = ifd.tagtype[tag]
elif not (isinstance(value, (int, float, str, bytes))):
continue

8
src/encode.c
View File

@ -736,7 +736,7 @@ PyImaging_LibTiffEncoderNew(PyObject *self, PyObject *args) {
}
if (tag_type) {
int type_int = PyLong_AsLong(tag_type);
if (type_int >= TIFF_BYTE && type_int <= TIFF_DOUBLE) {
if (type_int >= TIFF_BYTE && type_int <= TIFF_LONG8) {
type = (TIFFDataType)type_int;
}
}
@ -929,7 +929,7 @@ PyImaging_LibTiffEncoderNew(PyObject *self, PyObject *args) {
);
} else if (type == TIFF_LONG) {
status = ImagingLibTiffSetField(
&encoder->state, (ttag_t)key_int, PyLong_AsLongLong(value)
&encoder->state, (ttag_t)key_int, (UINT32)PyLong_AsLong(value)
);
} else if (type == TIFF_SSHORT) {
status = ImagingLibTiffSetField(
@ -959,6 +959,10 @@ PyImaging_LibTiffEncoderNew(PyObject *self, PyObject *args) {
status = ImagingLibTiffSetField(
&encoder->state, (ttag_t)key_int, (FLOAT64)PyFloat_AsDouble(value)
);
} else if (type == TIFF_LONG8) {
status = ImagingLibTiffSetField(
&encoder->state, (ttag_t)key_int, (uint64_t)PyLong_AsLongLong(value)
);
} else {
TRACE(
("Unhandled type for key %d : %s \n",