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ofz: detect failure earlier

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Change-Id: I28be740fb15b3b9ed88d2575c94073c24d53579c
This commit is contained in:
Caolán McNamara 2017-02-28 13:09:07 +00:00
parent c5b956b9ab
commit 73051d46a6
1 changed files with 30 additions and 20 deletions
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50
filter/source/graphicfilter/ipsd/ipsd.cxx
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@ -344,7 +344,7 @@ bool PSDReader::ImplReadBody()
case 1 :
{
signed char nBitCount = -1;
while ( nY < mpFileHeader->nRows )
while (nY < mpFileHeader->nRows && m_rPSD.good())
{
if ( nBitCount == -1 )
{
@ -357,7 +357,8 @@ bool PSDReader::ImplReadBody()
}
if ( nRunCount & 0x80 ) // a run length packet
{
for ( sal_uInt16 i = 0; i < ( -nRunCount + 1 ); i++ )
const sal_uInt16 nCount = -nRunCount + 1;
for (sal_uInt16 i = 0; i < nCount && m_rPSD.good(); ++i)
{
if ( nBitCount == -1 ) // bits left in nDat?
{
@ -378,7 +379,8 @@ bool PSDReader::ImplReadBody()
}
else // a raw packet
{
for ( sal_uInt16 i = 0; i < ( ( nRunCount & 0x7f ) + 1 ); i++ )
const sal_uInt16 nCount = (nRunCount & 0x7f) + 1;
for (sal_uInt16 i = 0; i < nCount && m_rPSD.good(); ++i)
{
if ( nBitCount == -1 ) // bits left in nDat ?
{
@ -403,7 +405,7 @@ bool PSDReader::ImplReadBody()
case 8 :
{
while ( nY < mpFileHeader->nRows )
while (nY < mpFileHeader->nRows && m_rPSD.good())
{
if ( mbCompression ) // else nRunCount = 0 -> so we use only single raw packets
{
@ -417,7 +419,8 @@ bool PSDReader::ImplReadBody()
m_rPSD.ReadUChar( nDat );
if ( mpFileHeader->nDepth == 16 ) // 16 bit depth is to be skipped
m_rPSD.ReadUChar( nDummy );
for ( sal_uInt16 i = 0; i < ( -nRunCount + 1 ); i++ )
const sal_uInt16 nCount = -nRunCount + 1;
for (sal_uInt16 i = 0; i < nCount && m_rPSD.good(); ++i)
{
mpWriteAcc->SetPixelIndex( nY, nX, nDat );
if ( ++nX == mpFileHeader->nColumns )
@ -431,7 +434,8 @@ bool PSDReader::ImplReadBody()
}
else // a raw packet
{
for ( sal_uInt16 i = 0; i < ( ( nRunCount & 0x7f ) + 1 ); i++ )
const sal_uInt16 nCount = (nRunCount & 0x7f) + 1;
for (sal_uInt16 i = 0; i < nCount && m_rPSD.good(); ++i)
{
m_rPSD.ReadUChar( nDat );
if ( mpFileHeader->nDepth == 16 ) // 16 bit depth is to be skipped
@ -456,7 +460,7 @@ bool PSDReader::ImplReadBody()
// the psd format is in plain order (RRRR GGGG BBBB) so we have to set each pixel three times
// maybe the format is CCCC MMMM YYYY KKKK
while ( nY < mpFileHeader->nRows )
while (nY < mpFileHeader->nRows && m_rPSD.good())
{
if ( mbCompression ) // else nRunCount = 0 -> so we use only single raw packets
{
@ -465,13 +469,13 @@ bool PSDReader::ImplReadBody()
nRunCount = nTmp;
}
if ( nRunCount & 0x80 ) // a run length packet
{
m_rPSD.ReadUChar( nRed );
if ( mpFileHeader->nDepth == 16 ) // 16 bit depth is to be skipped
m_rPSD.ReadUChar( nDummy );
for ( sal_uInt16 i = 0; i < ( -nRunCount + 1 ); i++ )
const sal_uInt16 nCount = -nRunCount + 1;
for (sal_uInt16 i = 0; i < nCount && m_rPSD.good(); ++i)
{
mpWriteAcc->SetPixel( nY, nX, BitmapColor( nRed, (sal_uInt8)0, (sal_uInt8)0 ) );
if ( ++nX == mpFileHeader->nColumns )
@ -485,7 +489,8 @@ bool PSDReader::ImplReadBody()
}
else // a raw packet
{
for ( sal_uInt16 i = 0; i < ( ( nRunCount & 0x7f ) + 1 ); i++ )
const sal_uInt16 nCount = (nRunCount & 0x7f) + 1;
for (sal_uInt16 i = 0; i < nCount && m_rPSD.good(); ++i)
{
m_rPSD.ReadUChar( nRed );
if ( mpFileHeader->nDepth == 16 ) // 16 bit depth is to be skipped
@ -502,7 +507,7 @@ bool PSDReader::ImplReadBody()
}
}
nY = 0;
while ( nY < mpFileHeader->nRows )
while (nY < mpFileHeader->nRows && m_rPSD.good())
{
if ( mbCompression )
{
@ -516,7 +521,8 @@ bool PSDReader::ImplReadBody()
m_rPSD.ReadUChar( nGreen );
if ( mpFileHeader->nDepth == 16 ) // 16 bit depth is to be skipped
m_rPSD.ReadUChar( nDummy );
for ( sal_uInt16 i = 0; i < ( -nRunCount + 1 ); i++ )
const sal_uInt16 nCount = -nRunCount + 1;
for (sal_uInt16 i = 0; i < nCount && m_rPSD.good(); ++i)
{
aBitmapColor = mpReadAcc->GetPixel( nY, nX );
mpWriteAcc->SetPixel( nY, nX, BitmapColor( aBitmapColor.GetRed(), nGreen, aBitmapColor.GetBlue() ) );
@ -531,7 +537,8 @@ bool PSDReader::ImplReadBody()
}
else // a raw packet
{
for ( sal_uInt16 i = 0; i < ( ( nRunCount & 0x7f ) + 1 ); i++ )
const sal_uInt16 nCount = (nRunCount & 0x7f) + 1;
for (sal_uInt16 i = 0; i < nCount && m_rPSD.good(); ++i)
{
m_rPSD.ReadUChar( nGreen );
if ( mpFileHeader->nDepth == 16 ) // 16 bit depth is to be skipped
@ -549,7 +556,7 @@ bool PSDReader::ImplReadBody()
}
}
nY = 0;
while ( nY < mpFileHeader->nRows )
while (nY < mpFileHeader->nRows && m_rPSD.good())
{
if ( mbCompression )
{
@ -563,7 +570,8 @@ bool PSDReader::ImplReadBody()
m_rPSD.ReadUChar( nBlue );
if ( mpFileHeader->nDepth == 16 ) // 16 bit depth is to be skipped
m_rPSD.ReadUChar( nDummy );
for ( sal_uInt16 i = 0; i < ( -nRunCount + 1 ); i++ )
const sal_uInt16 nCount = -nRunCount + 1;
for (sal_uInt16 i = 0; i < nCount && m_rPSD.good(); ++i)
{
aBitmapColor = mpReadAcc->GetPixel( nY, nX );
mpWriteAcc->SetPixel( nY, nX, BitmapColor( aBitmapColor.GetRed(), aBitmapColor.GetGreen(), nBlue ) );
@ -578,7 +586,8 @@ bool PSDReader::ImplReadBody()
}
else // a raw packet
{
for ( sal_uInt16 i = 0; i < ( ( nRunCount & 0x7f ) + 1 ); i++ )
const sal_uInt16 nCount = (nRunCount & 0x7f) + 1;
for (sal_uInt16 i = 0; i < nCount && m_rPSD.good(); ++i)
{
m_rPSD.ReadUChar( nBlue );
if ( mpFileHeader->nDepth == 16 ) // 16 bit depth is to be skipped
@ -595,12 +604,12 @@ bool PSDReader::ImplReadBody()
}
}
}
if ( mpFileHeader->nMode == PSD_CMYK )
if (mpFileHeader->nMode == PSD_CMYK && m_rPSD.good())
{
sal_uInt32 nBlack, nBlackMax = 0;
std::unique_ptr<sal_uInt8[]> pBlack(new sal_uInt8[ mpFileHeader->nRows * mpFileHeader->nColumns ]);
nY = 0;
while ( nY < mpFileHeader->nRows )
while (nY < mpFileHeader->nRows && m_rPSD.good())
{
if ( mbCompression ) // else nRunCount = 0 -> so we use only single raw packets
{
@ -684,7 +693,7 @@ bool PSDReader::ImplReadBody()
break;
}
if ( mbTransparent )
if (mbTransparent && m_rPSD.good())
{
// the psd is 24 or 8 bit grafix + alphachannel
@ -742,7 +751,8 @@ bool PSDReader::ImplReadBody()
}
}
}
return true;
return m_rPSD.good();
}
//================== GraphicImport - the exported function ================