improve scoping and zero some things
Change-Id: I04402009ffd91e35a72026ca357e1e158a258035
diff --git a/filter/source/graphicfilter/ipict/ipict.cxx b/filter/source/graphicfilter/ipict/ipict.cxx
index a85e691..96fc7d8 100644
--- a/filter/source/graphicfilter/ipict/ipict.cxx
+++ b/filter/source/graphicfilter/ipict/ipict.cxx
@@ -716,16 +716,12 @@ namespace
sal_uLong PictReader::ReadPixMapEtc( Bitmap &rBitmap, bool bBaseAddr, bool bColorTable, Rectangle* pSrcRect,
Rectangle* pDestRect, bool bMode, bool bMaskRgn )
{
Bitmap aBitmap;
sal_uInt16 nColTabSize;
sal_uInt16 nRowBytes, nBndX, nBndY, nWidth, nHeight, nPackType,
nPixelSize, nCmpCount, nCmpSize;
sal_uInt32 nHRes, nVRes;
sal_uInt8 nDat, nRed, nGreen, nBlue, nDummy;
size_t i, nDataSize = 0;
Bitmap aBitmap;
sal_uInt16 nPackType(0), nPixelSize(0), nCmpCount(0), nCmpSize(0);
sal_uInt8 nDat(0), nRed(0), nGreen(0), nBlue(0);
// The calculation of nDataSize is considering the size of the whole data.
nDataSize = 0;
size_t nDataSize = 0;
// conditionally skip BaseAddr
if ( bBaseAddr )
@@ -735,7 +731,8 @@ sal_uLong PictReader::ReadPixMapEtc( Bitmap &rBitmap, bool bBaseAddr, bool bColo
}
// Read PixMap or Bitmap structure;
pPict->ReadUInt16( nRowBytes ).ReadUInt16( nBndY ).ReadUInt16( nBndX ).ReadUInt16( nHeight ).ReadUInt16( nWidth );
sal_uInt16 nRowBytes(0), nBndX(0), nBndY(0), nWidth(0), nHeight(0);
pPict->ReadUInt16(nRowBytes).ReadUInt16(nBndY).ReadUInt16(nBndX).ReadUInt16(nHeight).ReadUInt16(nWidth);
nHeight = nHeight - nBndY;
nWidth = nWidth - nBndX;
sal_uInt16 nDstBitCount = 1;
@@ -749,6 +746,7 @@ sal_uLong PictReader::ReadPixMapEtc( Bitmap &rBitmap, bool bBaseAddr, bool bColo
sal_uInt32 nPackSize;
sal_uInt16 nPixelType;
sal_uInt32 nPlaneBytes;
sal_uInt32 nHRes, nVRes;
pPict->ReadUInt16( nVersion ).ReadUInt16( nPackType ).ReadUInt32( nPackSize ).ReadUInt32( nHRes ).ReadUInt32( nVRes ).ReadUInt16( nPixelType ).ReadUInt16( nPixelSize ).ReadUInt16( nCmpCount ).ReadUInt16( nCmpSize ).ReadUInt32( nPlaneBytes );
pPict->SeekRel( 8 );
@@ -764,7 +762,8 @@ sal_uLong PictReader::ReadPixMapEtc( Bitmap &rBitmap, bool bBaseAddr, bool bColo
if ( bColorTable )
{
pPict->SeekRel( 6 );
pPict->ReadUInt16( nColTabSize );
sal_uInt16 nColTabSize(0);
pPict->ReadUInt16(nColTabSize);
if (nColTabSize > 255)
return 0xffffffff;
@@ -773,9 +772,10 @@ sal_uLong PictReader::ReadPixMapEtc( Bitmap &rBitmap, bool bBaseAddr, bool bColo
aPalette = BitmapPalette(nColTabSize);
for ( i = 0; i < nColTabSize; i++ )
for (size_t i = 0; i < nColTabSize; ++i)
{
pPict->SeekRel(2);
sal_uInt8 nDummy;
pPict->ReadUChar( nRed ).ReadUChar( nDummy ).ReadUChar( nGreen ).ReadUChar( nDummy ).ReadUChar( nBlue ).ReadUChar( nDummy );
aPalette[i] = BitmapColor(nRed, nGreen, nBlue);
}
@@ -786,8 +786,6 @@ sal_uLong PictReader::ReadPixMapEtc( Bitmap &rBitmap, bool bBaseAddr, bool bColo
else
{
nRowBytes &= 0x3fff;
nPackType = 0;
// nHRes = nVRes = 0;
nPixelSize = nCmpCount = nCmpSize = 1;
nDataSize += 10;
aBitmap = Bitmap(Size(nWidth, nHeight), nDstBitCount);
@@ -833,8 +831,6 @@ sal_uLong PictReader::ReadPixMapEtc( Bitmap &rBitmap, bool bBaseAddr, bool bColo
BitmapWriteAccess* pAcc = nullptr;
// aSMem << (nHRes/1665L) << (nVRes/1665L) << ((sal_uLong)0) << ((sal_uLong)0);
// read and write Bitmap bits:
if ( nPixelSize == 1 || nPixelSize == 2 || nPixelSize == 4 || nPixelSize == 8 )
{
@@ -869,7 +865,7 @@ sal_uLong PictReader::ReadPixMapEtc( Bitmap &rBitmap, bool bBaseAddr, bool bColo
sal_uInt16 nx = 0;
if ( nRowBytes < 8 || nPackType == 1 )
{
for ( i = 0; i < nRowBytes; i++ )
for (size_t i = 0; i < nRowBytes; ++i)
{
pPict->ReadUChar( nDat );
if ( nx < nWidth )
@@ -900,7 +896,7 @@ sal_uLong PictReader::ReadPixMapEtc( Bitmap &rBitmap, bool bBaseAddr, bool bColo
if ( ( nFlagCounterByte & 0x80 ) == 0 )
{
nCount = ( (sal_uInt16)nFlagCounterByte ) + 1;
for ( i = 0; i < nCount; i++ )
for (size_t i = 0; i < nCount; ++i)
{
pPict->ReadUChar( nDat );
if ( nx < nWidth )
@@ -912,7 +908,7 @@ sal_uLong PictReader::ReadPixMapEtc( Bitmap &rBitmap, bool bBaseAddr, bool bColo
{
nCount = static_cast<sal_uInt16>( 1 - sal_Int16( ( (sal_uInt16)nFlagCounterByte ) | 0xff00 ) );
pPict->ReadUChar( nDat );
for ( i = 0; i < nCount; i++ )
for (size_t i = 0; i < nCount; ++i)
{
if ( nx < nWidth )
SETBYTE;
@@ -952,7 +948,7 @@ sal_uLong PictReader::ReadPixMapEtc( Bitmap &rBitmap, bool bBaseAddr, bool bColo
sal_uInt16 nx = 0;
if ( nRowBytes < 8 || nPackType == 1 )
{
for ( i = 0; i < nWidth; i++ )
for (size_t i = 0; i < nWidth; ++i)
{
pPict->ReadUInt16( nD );
nRed = (sal_uInt8)( nD >> 7 );
@@ -991,7 +987,7 @@ sal_uLong PictReader::ReadPixMapEtc( Bitmap &rBitmap, bool bBaseAddr, bool bColo
this case. Have a look at 32bit, there I changed the
encoding, so that it is used a straight forward array
*/
for (i=0; i<nCount; i++)
for (size_t i = 0; i < nCount; ++i)
{
pPict->ReadUInt16( nD );
nRed = (sal_uInt8)( nD >> 7 );
@@ -1011,7 +1007,7 @@ sal_uLong PictReader::ReadPixMapEtc( Bitmap &rBitmap, bool bBaseAddr, bool bColo
nRed = (sal_uInt8)( nD >> 7 );
nGreen = (sal_uInt8)( nD >> 2 );
nBlue = (sal_uInt8)( nD << 3 );
for (i=0; i<nCount; i++)
for (size_t i = 0; i < nCount; ++i)
{
pAcc->SetPixel( ny, nx++, BitmapColor( nRed, nGreen, nBlue ) );
}
@@ -1048,6 +1044,7 @@ sal_uLong PictReader::ReadPixMapEtc( Bitmap &rBitmap, bool bBaseAddr, bool bColo
{
for (sal_uInt16 nx = 0; nx < nWidth; ++nx)
{
sal_uInt8 nDummy;
pPict->ReadUChar( nDummy ).ReadUChar( nRed ).ReadUChar( nGreen ).ReadUChar( nBlue );
pAcc->SetPixel( ny, nx, BitmapColor( nRed, nGreen, nBlue) );
}
@@ -1105,7 +1102,7 @@ sal_uLong PictReader::ReadPixMapEtc( Bitmap &rBitmap, bool bBaseAddr, bool bColo
nByteCount = (sal_uInt8)nByteCountAsByte;
nByteCount++;
}
i = 0;
size_t i = 0;
while( i < (sal_uInt32)( nWidth * nCmpCount ) )
{
pPict->ReadUChar( nFlagCounterByte );
