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TIFF loader: Allocate large enough buffer when (bpp * ncn) > 8.

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Conflicts:
	modules/highgui/src/grfmt_tiff.cpp

floodfill return value removed
This commit is contained in:
Andreas Stührk
2014-10-19 01:22:04 +02:00
committed by Dikay900
parent 653810e4df
commit 3ec0e0943c
2 changed files with 6 additions and 6 deletions
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11
modules/imgcodecs/src/grfmt_tiff.cpp
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@@ -247,7 +247,8 @@ bool TiffDecoder::readData( Mat& img )
(!is_tiled && tile_height0 == std::numeric_limits<uint32>::max()) )
tile_height0 = m_height;
AutoBuffer<uchar> _buffer( size_t(8) * tile_height0*tile_width0);
const size_t buffer_size = bpp * ncn * tile_height0 * tile_width0;
AutoBuffer<uchar> _buffer( buffer_size );
uchar* buffer = _buffer;
ushort* buffer16 = (ushort*)buffer;
float* buffer32 = (float*)buffer;
@@ -313,9 +314,9 @@ bool TiffDecoder::readData( Mat& img )
case 16:
{
if( !is_tiled )
ok = (int)TIFFReadEncodedStrip( tif, tileidx, (uint32*)buffer, (tsize_t)-1 ) >= 0;
ok = (int)TIFFReadEncodedStrip( tif, tileidx, (uint32*)buffer, buffer_size ) >= 0;
else
ok = (int)TIFFReadEncodedTile( tif, tileidx, (uint32*)buffer, (tsize_t)-1 ) >= 0;
ok = (int)TIFFReadEncodedTile( tif, tileidx, (uint32*)buffer, buffer_size ) >= 0;
if( !ok )
{
@@ -384,9 +385,9 @@ bool TiffDecoder::readData( Mat& img )
case 64:
{
if( !is_tiled )
ok = (int)TIFFReadEncodedStrip( tif, tileidx, buffer, (tsize_t)-1 ) >= 0;
ok = (int)TIFFReadEncodedStrip( tif, tileidx, buffer, buffer_size ) >= 0;
else
ok = (int)TIFFReadEncodedTile( tif, tileidx, buffer, (tsize_t)-1 ) >= 0;
ok = (int)TIFFReadEncodedTile( tif, tileidx, buffer, buffer_size ) >= 0;
if( !ok || ncn != 1 )
{