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Fix memory leak (as observed with CppunitTest_filter_pcx_test)

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Change-Id: Ic00653cad7f15f60a8f2613938def25820d7e9ae
This commit is contained in:
Stephan Bergmann 2014-05-27 11:12:37 +02:00
parent 76032655c3
commit c77c390568
1 changed files with 6 additions and 8 deletions
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14
filter/source/graphicfilter/ipcx/ipcx.cxx
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@ -32,7 +32,6 @@ private:
SvStream& m_rPCX; // the PCX file to read
Bitmap aBmp;
BitmapWriteAccess* pAcc;
sal_uInt8 nVersion; // PCX-Version
sal_uInt8 nEncoding; // compression type
sal_uLong nBitsPerPlanePix; // bits per plane per pixel
@ -48,7 +47,7 @@ private:
bool Callback( sal_uInt16 nPercent );
void ImplReadBody();
void ImplReadBody(BitmapWriteAccess * pAcc);
void ImplReadPalette( sal_uLong nCol );
void ImplReadHeader();
@ -63,7 +62,6 @@ public:
PCXReader::PCXReader(SvStream &rStream)
: m_rPCX(rStream)
, pAcc(NULL)
, nVersion(0)
, nEncoding(0)
, nBitsPerPlanePix(0)
@ -112,7 +110,8 @@ bool PCXReader::ReadPCX(Graphic & rGraphic)
if ( nStatus )
{
aBmp = Bitmap( Size( nWidth, nHeight ), nDestBitsPerPixel );
if ( ( pAcc = aBmp.AcquireWriteAccess() ) == 0 )
Bitmap::ScopedWriteAccess pAcc(aBmp);
if ( pAcc == 0 )
return false;
if ( nDestBitsPerPixel <= 8 )
@ -126,7 +125,7 @@ bool PCXReader::ReadPCX(Graphic & rGraphic)
}
}
// read bitmap data
ImplReadBody();
ImplReadBody(pAcc.get());
// If an extended color palette exists at the end of the file, then read it and
// and write again in palette:
@ -148,9 +147,8 @@ bool PCXReader::ReadPCX(Graphic & rGraphic)
rBitmap.SetPrefMapMode(aMapMode);
rBitmap.SetPrefSize(Size(nWidth,nHeight));
}
*/ if ( nStatus && pAcc )
*/ if ( nStatus )
{
aBmp.ReleaseAccess( pAcc ), pAcc = NULL;
rGraphic = aBmp;
return true;
}
@ -217,7 +215,7 @@ void PCXReader::ImplReadHeader()
}
}
void PCXReader::ImplReadBody()
void PCXReader::ImplReadBody(BitmapWriteAccess * pAcc)
{
sal_uInt8 *pPlane[ 4 ], * pDest, * pSource1, * pSource2, * pSource3, *pSource4;
sal_uLong i, nx, ny, np, nCount, nPercent;