PyObject*
PyImaging_LibTiffDecoderNew(PyObject* self, PyObject* args)
{
ImagingDecoderObject* decoder;
char* mode;
char* rawmode;
char* compname;
int fp;
if (! PyArg_ParseTuple(args, "sssi", &mode, &rawmode, &compname, &fp))
return NULL;
TRACE(("new tiff decoder %s\n", compname));
decoder = PyImaging_DecoderNew(sizeof(TIFFSTATE));
if (decoder == NULL)
return NULL;
if (get_unpacker(decoder, mode, rawmode) < 0)
return NULL;
if (! ImagingLibTiffInit(&decoder->state, fp)) {
Py_DECREF(decoder);
PyErr_SetString(PyExc_RuntimeError, "tiff codec initialization failed");
return NULL;
}
decoder->decode = ImagingLibTiffDecode;
return (PyObject*) decoder;
}
PyObject*
PyImaging_LibTiffDecoderNew(PyObject* self, PyObject* args)
{
ImagingDecoderObject* decoder;
char* mode;
char* rawmode;
char* compname;
int compression;
int fp;
if (! PyArg_ParseTuple(args, "sssi", &mode, &rawmode, &compname, &fp))
return NULL;
TRACE(("new tiff decoder %s\n", compname));
/* UNDONE -- we can probably do almost any arbitrary compression here,
* since we're effective passing in the whole file in one shot and
* getting back the data row by row. V2 maybe
*/
if (strcasecmp(compname, "tiff_ccitt") == 0) {
compression = COMPRESSION_CCITTRLE;
} else if (strcasecmp(compname, "group3") == 0) {
compression = COMPRESSION_CCITTFAX3;
} else if (strcasecmp(compname, "group4") == 0) {
compression = COMPRESSION_CCITTFAX4;
} else if (strcasecmp(compname, "tiff_raw_16") == 0) {
compression = COMPRESSION_CCITTRLEW;
} else {
PyErr_SetString(PyExc_ValueError, "unknown compession");
return NULL;
}
decoder = PyImaging_DecoderNew(sizeof(TIFFSTATE));
if (decoder == NULL)
return NULL;
if (get_unpacker(decoder, mode, rawmode) < 0)
return NULL;
if (! ImagingLibTiffInit(&decoder->state, compression, fp)) {
Py_DECREF(decoder);
PyErr_SetString(PyExc_RuntimeError, "tiff codec initialization failed");
return NULL;
}
decoder->decode = ImagingLibTiffDecode;
return (PyObject*) decoder;
}
