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windowscodecs: Handle TIFF's with RowsPerStrip greater than Height.

This commit is contained in:
Vincent Povirk 2010-05-29 11:47:49 -05:00 committed by Alexandre Julliard
parent 4cedec5975
commit c37f6fb196
1 changed files with 2 additions and 0 deletions
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2
dlls/windowscodecs/tiffformat.c
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@ -361,6 +361,8 @@ static HRESULT tiff_get_decode_info(TIFF *tiff, tiff_decode_info *decode_info)
ret = pTIFFGetField(tiff, TIFFTAG_ROWSPERSTRIP, &decode_info->tile_height);
if (ret)
{
if (decode_info->tile_height > decode_info->height)
decode_info->tile_height = decode_info->height;
decode_info->tile_width = decode_info->width;
decode_info->tile_stride = ((decode_info->bpp * decode_info->tile_width + 7)/8);
decode_info->tile_size = decode_info->tile_height * decode_info->tile_stride;