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Initialize rows_per_strip when RowsPerStrip tag is missing

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Christoph Gohlke 2019-08-20 16:07:07 -07:00 committed by GitHub
parent aec17ed75f
commit b37f12a5f8
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1 changed files with 5 additions and 1 deletions
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6
src/libImaging/TiffDecode.c
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@ -405,8 +405,12 @@ int ImagingLibTiffDecode(Imaging im, ImagingCodecState state, UINT8* buffer, Py_
UINT32 strip_row, row_byte_size;
UINT8 *new_data;
UINT32 rows_per_strip;
int ret;
TIFFGetField(tiff, TIFFTAG_ROWSPERSTRIP, &rows_per_strip);
ret = TIFFGetField(tiff, TIFFTAG_ROWSPERSTRIP, &rows_per_strip);
if (ret != 1) {
rows_per_strip = state->ysize;
}
TRACE(("RowsPerStrip: %u \n", rows_per_strip));
// We could use TIFFStripSize, but for YCbCr data it returns subsampled data size