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-rw-r--r--vcl/source/gdi/bitmap3.cxx813
1 files changed, 4 insertions, 809 deletions
diff --git a/vcl/source/gdi/bitmap3.cxx b/vcl/source/gdi/bitmap3.cxx
index 7ee6405a4a6d..9600f9bcbb25 100644
--- a/vcl/source/gdi/bitmap3.cxx
+++ b/vcl/source/gdi/bitmap3.cxx
@@ -23,6 +23,7 @@
#include <vcl/bmpacc.hxx>
#include <vcl/bitmapex.hxx>
#include <vcl/bitmap.hxx>
+#include <vcl/bitmapscalesuper.hxx>
#include <boost/scoped_array.hpp>
@@ -33,7 +34,6 @@
#define RGB15( _def_cR, _def_cG, _def_cB ) (((sal_uLong)(_def_cR)<<10UL)|((sal_uLong)(_def_cG)<<5UL)|(sal_uLong)(_def_cB))
#define GAMMA( _def_cVal, _def_InvGamma ) ((sal_uInt8)MinMax(FRound(pow( _def_cVal/255.0,_def_InvGamma)*255.0),0L,255L))
-#define MAP( cVal0, cVal1, nFrac ) ((sal_uInt8)((((long)(cVal0)<<7L)+nFrac*((long)(cVal1)-(cVal0)))>>7L))
#define CALC_ERRORS \
nTemp = p1T[nX++] >> 12; \
@@ -892,7 +892,7 @@ bool Bitmap::Scale( const double& rScaleX, const double& rScaleY, sal_uInt32 nSc
bRetval = ImplScaleInterpolate( rScaleX, rScaleY );
break;
}
- case BMP_SCALE_SUPER :
+ case BMP_SCALE_SUPER:
{
if(GetSizePixel().Width() < 2 || GetSizePixel().Height() < 2)
{
@@ -901,8 +901,8 @@ bool Bitmap::Scale( const double& rScaleX, const double& rScaleY, sal_uInt32 nSc
}
else
{
- // #i121233# use method from symphony
- bRetval = ImplScaleSuper( rScaleX, rScaleY );
+ BitmapScaleSuper aScaleSuper(rScaleX, rScaleY);
+ bRetval = aScaleSuper.filter(*this);
}
break;
}
@@ -1268,811 +1268,6 @@ bool Bitmap::ImplScaleInterpolate( const double& rScaleX, const double& rScaleY
return bRet;
}
-// #i121233# Added BMP_SCALE_SUPER from symphony code
-
-bool Bitmap::ImplScaleSuper(
- const double& rScaleX,
- const double& rScaleY )
-{
- const Size aSizePix( GetSizePixel() );
- bool bHMirr = ( rScaleX < 0 );
- bool bVMirr = ( rScaleY < 0 );
- double scaleX = bHMirr ? -rScaleX : rScaleX;
- double scaleY = bVMirr ? -rScaleY : rScaleY;
- const long nDstW = FRound( aSizePix.Width() * scaleX );
- const long nDstH = FRound( aSizePix.Height() * scaleY );
- const double fScaleThresh = 0.6;
- bool bRet = false;
-
- if( ( nDstW > 1L ) && ( nDstH > 1L ) )
- {
- Bitmap::ScopedReadAccess pAcc(*this);
- Bitmap aOutBmp( Size( nDstW, nDstH ), 24 );
- Bitmap::ScopedWriteAccess pWAcc(aOutBmp);
- boost::scoped_array<long> pMapIX(new long[ nDstW ]);
- boost::scoped_array<long> pMapIY(new long[ nDstH ]);
- boost::scoped_array<long> pMapFX(new long[ nDstW ]);
- boost::scoped_array<long> pMapFY(new long[ nDstH ]);
- const long nStartX = 0, nStartY = 0;
- const long nEndX = nDstW - 1L;
- const long nEndY = nDstH - 1L;
- const long nMax = 1 << 7L;
-
- if( pAcc && pWAcc )
- {
- const long nW = pAcc->Width() ;
- const long nH = pAcc->Height() ;
- const double fRevScaleX = ( nDstW > 1L ) ? ( (double) ( nW - 1 ) / ( nDstW - 1 ) ) : 0.0;
- const double fRevScaleY = ( nDstH > 1L ) ? ( (double) ( nH - 1 ) / ( nDstH - 1 ) ) : 0.0;
-
- // create horizontal mapping table
- for( long nX = 0L, nTempX = nW - 1L, nTemp = nW - 2L; nX < nDstW; nX++ )
- {
- double fTemp = nX * fRevScaleX;
-
- if( bHMirr )
- fTemp = nTempX - fTemp;
- pMapIX[ nX ] = MinMax( (long) fTemp, 0, nTemp );
- pMapFX[ nX ] = (long) ( ( fTemp - pMapIX[nX] ) * 128. );
- }
-
- // create vertical mapping table
- for( long nY = 0L, nTempY = nH - 1L, nTemp = nH - 2L; nY < nDstH; nY++ )
- {
- double fTemp = nY * fRevScaleY;
-
- if( bVMirr )
- fTemp = nTempY - fTemp;
- pMapIY[ nY ] = MinMax( (long) fTemp, 0, nTemp );
- pMapFY[ nY ] = (long) ( ( fTemp - pMapIY[nY] ) * 128. );
- }
-
- if( pAcc->HasPalette() )
- {
- if( pAcc->GetScanlineFormat() == BMP_FORMAT_8BIT_PAL )
- {
- if( scaleX >= fScaleThresh && scaleY >= fScaleThresh )
- {
- for( long nY = nStartY, nYDst = 0L; nY <= nEndY; nY++, nYDst++ )
- {
- long nTempY = pMapIY[ nY ];
- long nTempFY = pMapFY[ nY ];
- Scanline pLine0 = pAcc->GetScanline( nTempY );
- Scanline pLine1 = pAcc->GetScanline( ++nTempY );
-
- for(long nX = nStartX, nXDst = 0L; nX <= nEndX; nX++ )
- {
- long nTempX = pMapIX[ nX ];
- long nTempFX = pMapFX[ nX ];
-
- const BitmapColor& rCol0 = pAcc->GetPaletteColor( pLine0[ nTempX ] );
- const BitmapColor& rCol2 = pAcc->GetPaletteColor( pLine1[ nTempX ] );
- const BitmapColor& rCol1 = pAcc->GetPaletteColor( pLine0[ ++nTempX ] );
- const BitmapColor& rCol3 = pAcc->GetPaletteColor( pLine1[ nTempX ] );
-
- sal_uInt8 cR0 = MAP( rCol0.GetRed(), rCol1.GetRed(), nTempFX );
- sal_uInt8 cG0 = MAP( rCol0.GetGreen(), rCol1.GetGreen(), nTempFX );
- sal_uInt8 cB0 = MAP( rCol0.GetBlue(), rCol1.GetBlue(), nTempFX );
-
- sal_uInt8 cR1 = MAP( rCol2.GetRed(), rCol3.GetRed(), nTempFX );
- sal_uInt8 cG1 = MAP( rCol2.GetGreen(), rCol3.GetGreen(), nTempFX );
- sal_uInt8 cB1 = MAP( rCol2.GetBlue(), rCol3.GetBlue(), nTempFX );
-
- BitmapColor aColRes( MAP( cR0, cR1, nTempFY ),
- MAP( cG0, cG1, nTempFY ),
- MAP( cB0, cB1, nTempFY ) );
- pWAcc->SetPixel( nYDst, nXDst++, aColRes );
- }
- }
- }
- else
- {
- for( long nY = nStartY , nYDst = 0L; nY <= nEndY; nY++, nYDst++ )
- {
- long nTop = bVMirr ? ( nY + 1 ) : nY;
- long nBottom = bVMirr ? nY : ( nY + 1 ) ;
-
- long nLineStart, nLineRange;
- if( nY == nEndY )
- {
- nLineStart = pMapIY[ nY ];
- nLineRange = 0;
- }
- else
- {
- nLineStart = pMapIY[ nTop ] ;
- nLineRange = ( pMapIY[ nBottom ] == pMapIY[ nTop ] ) ? 1 :( pMapIY[ nBottom ] - pMapIY[ nTop ] );
- }
-
- for( long nX = nStartX , nXDst = 0L; nX <= nEndX; nX++ )
- {
- long nLeft = bHMirr ? ( nX + 1 ) : nX;
- long nRight = bHMirr ? nX : ( nX + 1 ) ;
-
- long nRowStart;
- long nRowRange;
- if( nX == nEndX )
- {
- nRowStart = pMapIX[ nX ];
- nRowRange = 0;
- }
- else
- {
- nRowStart = pMapIX[ nLeft ];
- nRowRange = ( pMapIX[ nRight ] == pMapIX[ nLeft ] )? 1 : ( pMapIX[ nRight ] - pMapIX[ nLeft ] );
- }
-
- long nSumR = 0;
- long nSumG = 0;
- long nSumB = 0;
- long nTotalWeightY = 0;
-
- for(int i = 0; i<= nLineRange; i++)
- {
- Scanline pTmpY = pAcc->GetScanline( nLineStart + i );
- long nSumRowR = 0;
- long nSumRowG = 0;
- long nSumRowB = 0;
- long nTotalWeightX = 0;
-
- for(int j = 0; j <= nRowRange; j++)
- {
- const BitmapColor& rCol = pAcc->GetPaletteColor( pTmpY[ nRowStart + j ] );
-
- if(nX == nEndX )
- {
- nSumRowB += rCol.GetBlue() << 7L;
- nSumRowG += rCol.GetGreen() << 7L;
- nSumRowR += rCol.GetRed() << 7L;
- nTotalWeightX += 1 << 7L;
- }
- else if( j == 0 )
- {
- long nWeightX = (nMax- pMapFX[ nLeft ]) ;
- nSumRowB += ( nWeightX *rCol.GetBlue()) ;
- nSumRowG += ( nWeightX *rCol.GetGreen()) ;
- nSumRowR += ( nWeightX *rCol.GetRed()) ;
- nTotalWeightX += nWeightX;
- }
- else if ( nRowRange == j )
- {
- long nWeightX = pMapFX[ nRight ] ;
- nSumRowB += ( nWeightX *rCol.GetBlue() );
- nSumRowG += ( nWeightX *rCol.GetGreen() );
- nSumRowR += ( nWeightX *rCol.GetRed() );
- nTotalWeightX += nWeightX;
- }
- else
- {
- nSumRowB += rCol.GetBlue() << 7L;
- nSumRowG += rCol.GetGreen() << 7L;
- nSumRowR += rCol.GetRed() << 7L;
- nTotalWeightX += 1 << 7L;
- }
- }
-
- long nWeightY = nMax;
- if( nY == nEndY )
- nWeightY = nMax;
- else if( i == 0 )
- nWeightY = nMax - pMapFY[ nTop ];
- else if( nLineRange == 1 )
- nWeightY = pMapFY[ nTop ];
- else if ( nLineRange == i )
- nWeightY = pMapFY[ nBottom ];
-
- nSumB += nWeightY * ( nSumRowB / nTotalWeightX );
- nSumG += nWeightY * ( nSumRowG / nTotalWeightX );
- nSumR += nWeightY * ( nSumRowR / nTotalWeightX );
- nTotalWeightY += nWeightY;
- }
-
- BitmapColor aColRes ( ( sal_uInt8 ) (( nSumR / nTotalWeightY ) ),
- ( sal_uInt8 ) (( nSumG / nTotalWeightY) ),
- ( sal_uInt8 ) (( nSumB / nTotalWeightY) ) );
- pWAcc->SetPixel( nYDst, nXDst++, aColRes );
- }
- }
- }
- }
- else
- {
- if( scaleX >= fScaleThresh && scaleY >= fScaleThresh )
- {
- for( long nY = nStartY, nYDst = 0L; nY <= nEndY; nY++, nYDst++ )
- {
- long nTempY = pMapIY[ nY ];
- long nTempFY = pMapFY[ nY ];
-
- for( long nX = nStartX, nXDst = 0L; nX <= nEndX; nX++ )
- {
- long nTempX = pMapIX[ nX ];
- long nTempFX = pMapFX[ nX ];
-
- BitmapColor aCol0 = pAcc->GetPaletteColor( pAcc->GetPixelIndex( nTempY, nTempX ) );
- BitmapColor aCol1 = pAcc->GetPaletteColor( pAcc->GetPixelIndex( nTempY, ++nTempX ) );
- sal_uInt8 cR0 = MAP( aCol0.GetRed(), aCol1.GetRed(), nTempFX );
- sal_uInt8 cG0 = MAP( aCol0.GetGreen(), aCol1.GetGreen(), nTempFX );
- sal_uInt8 cB0 = MAP( aCol0.GetBlue(), aCol1.GetBlue(), nTempFX );
-
- aCol1 = pAcc->GetPaletteColor( pAcc->GetPixelIndex( ++nTempY, nTempX ) );
- aCol0 = pAcc->GetPaletteColor( pAcc->GetPixelIndex( nTempY--, --nTempX ) );
- sal_uInt8 cR1 = MAP( aCol0.GetRed(), aCol1.GetRed(), nTempFX );
- sal_uInt8 cG1 = MAP( aCol0.GetGreen(), aCol1.GetGreen(), nTempFX );
- sal_uInt8 cB1 = MAP( aCol0.GetBlue(), aCol1.GetBlue(), nTempFX );
-
- BitmapColor aColRes( MAP( cR0, cR1, nTempFY ),
- MAP( cG0, cG1, nTempFY ),
- MAP( cB0, cB1, nTempFY ) );
- pWAcc->SetPixel( nYDst, nXDst++, aColRes );
- }
- }
-
- }
- else
- {
- for( long nY = nStartY , nYDst = 0L; nY <= nEndY; nY++, nYDst++ )
- {
- long nTop = bVMirr ? ( nY + 1 ) : nY;
- long nBottom = bVMirr ? nY : ( nY + 1 ) ;
-
- long nLineStart, nLineRange;
- if( nY ==nEndY )
- {
- nLineStart = pMapIY[ nY ];
- nLineRange = 0;
- }
- else
- {
- nLineStart = pMapIY[ nTop ] ;
- nLineRange = ( pMapIY[ nBottom ] == pMapIY[ nTop ] ) ? 1 :( pMapIY[ nBottom ] - pMapIY[ nTop ] );
- }
-
- for( long nX = nStartX , nXDst = 0L; nX <= nEndX; nX++ )
- {
- long nLeft = bHMirr ? ( nX + 1 ) : nX;
- long nRight = bHMirr ? nX : ( nX + 1 ) ;
-
- long nRowStart, nRowRange;
- if( nX == nEndX )
- {
- nRowStart = pMapIX[ nX ];
- nRowRange = 0;
- }
- else
- {
- nRowStart = pMapIX[ nLeft ];
- nRowRange = ( pMapIX[ nRight ] == pMapIX[ nLeft ] )? 1 : ( pMapIX[ nRight ] - pMapIX[ nLeft ] );
- }
-
- long nSumR = 0;
- long nSumG = 0;
- long nSumB = 0;
- long nTotalWeightY = 0;
-
- for(int i = 0; i<= nLineRange; i++)
- {
- long nSumRowR = 0;
- long nSumRowG = 0;
- long nSumRowB = 0;
- long nTotalWeightX = 0;
-
- for(int j = 0; j <= nRowRange; j++)
- {
- BitmapColor aCol0 = pAcc->GetPaletteColor ( pAcc->GetPixelIndex( nLineStart + i, nRowStart + j ) );
-
- if(nX == nEndX )
- {
-
- nSumRowB += aCol0.GetBlue() << 7L;
- nSumRowG += aCol0.GetGreen() << 7L;
- nSumRowR += aCol0.GetRed() << 7L;
- nTotalWeightX += 1 << 7L;
- }
- else if( j == 0 )
- {
-
- long nWeightX = (nMax- pMapFX[ nLeft ]) ;
- nSumRowB += ( nWeightX *aCol0.GetBlue()) ;
- nSumRowG += ( nWeightX *aCol0.GetGreen()) ;
- nSumRowR += ( nWeightX *aCol0.GetRed()) ;
- nTotalWeightX += nWeightX;
- }
- else if ( nRowRange == j )
- {
-
- long nWeightX = pMapFX[ nRight ] ;
- nSumRowB += ( nWeightX *aCol0.GetBlue() );
- nSumRowG += ( nWeightX *aCol0.GetGreen() );
- nSumRowR += ( nWeightX *aCol0.GetRed() );
- nTotalWeightX += nWeightX;
- }
- else
- {
-
- nSumRowB += aCol0.GetBlue() << 7L;
- nSumRowG += aCol0.GetGreen() << 7L;
- nSumRowR += aCol0.GetRed() << 7L;
- nTotalWeightX += 1 << 7L;
- }
- }
-
- long nWeightY = nMax;
- if( nY == nEndY )
- nWeightY = nMax;
- else if( i == 0 )
- nWeightY = nMax - pMapFY[ nTop ];
- else if( nLineRange == 1 )
- nWeightY = pMapFY[ nTop ];
- else if ( nLineRange == i )
- nWeightY = pMapFY[ nBottom ];
-
- nSumB += nWeightY * ( nSumRowB / nTotalWeightX );
- nSumG += nWeightY * ( nSumRowG / nTotalWeightX );
- nSumR += nWeightY * ( nSumRowR / nTotalWeightX );
- nTotalWeightY += nWeightY;
- }
-
- BitmapColor aColRes( ( sal_uInt8 ) (( nSumR / nTotalWeightY ) ),
- ( sal_uInt8 ) (( nSumG / nTotalWeightY) ),
- ( sal_uInt8 ) (( nSumB / nTotalWeightY) ));
- pWAcc->SetPixel( nYDst, nXDst++, aColRes );
- }
- }
- }
- }
- }
- else
- {
- if( pAcc->GetScanlineFormat() == BMP_FORMAT_24BIT_TC_BGR )
- {
- if( scaleX >= fScaleThresh && scaleY >= fScaleThresh )
- {
- for( long nY = nStartY, nYDst = 0L; nY <= nEndY; nY++, nYDst++ )
- {
- long nTempY = pMapIY[ nY ];
- long nTempFY = pMapFY[ nY ];
- Scanline pLine0 = pAcc->GetScanline( nTempY );
- Scanline pLine1 = pAcc->GetScanline( ++nTempY );
-
- for( long nX = nStartX, nXDst = 0L; nX <= nEndX; nX++ )
- {
- long nOff = 3L * pMapIX[ nX ];
- long nTempFX = pMapFX[ nX ];
-
- Scanline pTmp0 = pLine0 + nOff ;
- Scanline pTmp1 = pTmp0 + 3L;
- sal_uInt8 cB0 = MAP( *pTmp0, *pTmp1, nTempFX ); pTmp0++; pTmp1++;
- sal_uInt8 cG0 = MAP( *pTmp0, *pTmp1, nTempFX ); pTmp0++; pTmp1++;
- sal_uInt8 cR0 = MAP( *pTmp0, *pTmp1, nTempFX );
-
- pTmp1 = ( pTmp0 = pLine1 + nOff ) + 3L;
- sal_uInt8 cB1 = MAP( *pTmp0, *pTmp1, nTempFX ); pTmp0++; pTmp1++;
- sal_uInt8 cG1 = MAP( *pTmp0, *pTmp1, nTempFX ); pTmp0++; pTmp1++;
- sal_uInt8 cR1 = MAP( *pTmp0, *pTmp1, nTempFX );
-
- BitmapColor aColRes( MAP( cR0, cR1, nTempFY ),
- MAP( cG0, cG1, nTempFY ),
- MAP( cB0, cB1, nTempFY ) );
- pWAcc->SetPixel( nYDst, nXDst++, aColRes );
- }
- }
- }
- else
- {
- for( long nY = nStartY , nYDst = 0L; nY <= nEndY; nY++, nYDst++ )
- {
- long nTop = bVMirr ? ( nY + 1 ) : nY;
- long nBottom = bVMirr ? nY : ( nY + 1 ) ;
-
- long nLineStart;
- long nLineRange;
- if( nY ==nEndY )
- {
- nLineStart = pMapIY[ nY ];
- nLineRange = 0;
- }
- else
- {
- nLineStart = pMapIY[ nTop ] ;
- nLineRange = ( pMapIY[ nBottom ] == pMapIY[ nTop ] ) ? 1 :( pMapIY[ nBottom ] - pMapIY[ nTop ] );
- }
-
- for( long nX = nStartX , nXDst = 0L; nX <= nEndX; nX++ )
- {
- long nLeft = bHMirr ? ( nX + 1 ) : nX;
- long nRight = bHMirr ? nX : ( nX + 1 ) ;
-
- long nRowStart;
- long nRowRange;
- if( nX == nEndX )
- {
- nRowStart = pMapIX[ nX ];
- nRowRange = 0;
- }
- else
- {
- nRowStart = pMapIX[ nLeft ];
- nRowRange = ( pMapIX[ nRight ] == pMapIX[ nLeft ] )? 1 : ( pMapIX[ nRight ] - pMapIX[ nLeft ] );
- }
-
- long nSumR = 0;
- long nSumG = 0;
- long nSumB = 0;
- long nTotalWeightY = 0;
-
- for(int i = 0; i<= nLineRange; i++)
- {
- Scanline pTmpY = pAcc->GetScanline( nLineStart + i );
- Scanline pTmpX = pTmpY + 3L * nRowStart;
- long nSumRowR = 0;
- long nSumRowG = 0;
- long nSumRowB = 0;
- long nTotalWeightX = 0;
-
- for(int j = 0; j <= nRowRange; j++)
- {
- if(nX == nEndX )
- {
- nSumRowB += ( *pTmpX ) << 7L;pTmpX++;
- nSumRowG += ( *pTmpX ) << 7L;pTmpX++;
- nSumRowR += ( *pTmpX ) << 7L;pTmpX++;
- nTotalWeightX += 1 << 7L;
- }
- else if( j == 0 )
- {
- long nWeightX = (nMax- pMapFX[ nLeft ]) ;
- nSumRowB += ( nWeightX *( *pTmpX )) ;pTmpX++;
- nSumRowG += ( nWeightX *( *pTmpX )) ;pTmpX++;
- nSumRowR += ( nWeightX *( *pTmpX )) ;pTmpX++;
- nTotalWeightX += nWeightX;
- }
- else if ( nRowRange == j )
- {
- long nWeightX = pMapFX[ nRight ] ;
- nSumRowB += ( nWeightX *( *pTmpX ) );pTmpX++;
- nSumRowG += ( nWeightX *( *pTmpX ) );pTmpX++;
- nSumRowR += ( nWeightX *( *pTmpX ) );pTmpX++;
- nTotalWeightX += nWeightX;
- }
- else
- {
- nSumRowB += ( *pTmpX ) << 7L;pTmpX++;
- nSumRowG += ( *pTmpX ) << 7L;pTmpX++;
- nSumRowR += ( *pTmpX ) << 7L;pTmpX++;
- nTotalWeightX += 1 << 7L;
- }
- }
-
- long nWeightY = nMax;
- if( nY == nEndY )
- nWeightY = nMax;
- else if( i == 0 )
- nWeightY = nMax - pMapFY[ nTop ];
- else if( nLineRange == 1 )
- nWeightY = pMapFY[ nTop ];
- else if ( nLineRange == i )
- nWeightY = pMapFY[ nBottom ];
-
- nSumB += nWeightY * ( nSumRowB / nTotalWeightX );
- nSumG += nWeightY * ( nSumRowG / nTotalWeightX );
- nSumR += nWeightY * ( nSumRowR / nTotalWeightX );
- nTotalWeightY += nWeightY;
- }
-
- BitmapColor aColRes( ( sal_uInt8 ) (( nSumR / nTotalWeightY ) ),
- ( sal_uInt8 ) (( nSumG / nTotalWeightY) ),
- ( sal_uInt8 ) (( nSumB / nTotalWeightY) ));
- pWAcc->SetPixel( nYDst, nXDst++, aColRes );
- }
- }
- }
- }
- else if( pAcc->GetScanlineFormat() == BMP_FORMAT_24BIT_TC_RGB )
- {
- if( scaleX >= fScaleThresh && scaleY >= fScaleThresh )
- {
- for( long nY = nStartY, nYDst = 0L; nY <= nEndY; nY++, nYDst++ )
- {
- long nTempY = pMapIY[ nY ];
- long nTempFY = pMapFY[ nY ];
- Scanline pLine0 = pAcc->GetScanline( nTempY );
- Scanline pLine1 = pAcc->GetScanline( ++nTempY );
-
- for( long nX = nStartX, nXDst = 0L; nX <= nEndX; nX++ )
- {
- long nOff = 3L * pMapIX[ nX ];
- long nTempFX = pMapFX[ nX ];
-
- Scanline pTmp0 = pLine0 + nOff;
- Scanline pTmp1 = pTmp0 + 3L;
- sal_uInt8 cR0 = MAP( *pTmp0, *pTmp1, nTempFX ); pTmp0++; pTmp1++;
- sal_uInt8 cG0 = MAP( *pTmp0, *pTmp1, nTempFX ); pTmp0++; pTmp1++;
- sal_uInt8 cB0 = MAP( *pTmp0, *pTmp1, nTempFX );
-
- pTmp1 = ( pTmp0 = pLine1 + nOff ) + 3L;
- sal_uInt8 cR1 = MAP( *pTmp0, *pTmp1, nTempFX ); pTmp0++; pTmp1++;
- sal_uInt8 cG1 = MAP( *pTmp0, *pTmp1, nTempFX ); pTmp0++; pTmp1++;
- sal_uInt8 cB1 = MAP( *pTmp0, *pTmp1, nTempFX );
-
- BitmapColor aColRes( MAP( cR0, cR1, nTempFY ),
- MAP( cG0, cG1, nTempFY ),
- MAP( cB0, cB1, nTempFY ) );
- pWAcc->SetPixel( nYDst, nXDst++, aColRes );
- }
- }
- }
- else
- {
- for( long nY = nStartY , nYDst = 0L; nY <= nEndY; nY++, nYDst++ )
- {
- long nTop = bVMirr ? ( nY + 1 ) : nY;
- long nBottom = bVMirr ? nY : ( nY + 1 ) ;
-
- long nLineStart, nLineRange;
- if( nY ==nEndY )
- {
- nLineStart = pMapIY[ nY ];
- nLineRange = 0;
- }
- else
- {
- nLineStart = pMapIY[ nTop ] ;
- nLineRange = ( pMapIY[ nBottom ] == pMapIY[ nTop ] ) ? 1 :( pMapIY[ nBottom ] - pMapIY[ nTop ] );
- }
-
- for( long nX = nStartX , nXDst = 0L; nX <= nEndX; nX++ )
- {
- long nLeft = bHMirr ? ( nX + 1 ) : nX;
- long nRight = bHMirr ? nX : ( nX + 1 ) ;
-
- long nRowStart, nRowRange;
- if( nX == nEndX )
- {
- nRowStart = pMapIX[ nX ];
- nRowRange = 0;
- }
- else
- {
- nRowStart = pMapIX[ nLeft ];
- nRowRange = ( pMapIX[ nRight ] == pMapIX[ nLeft ] )? 1 : ( pMapIX[ nRight ] - pMapIX[ nLeft ] );
- }
-
- long nSumR = 0;
- long nSumG = 0;
- long nSumB = 0;
- long nTotalWeightY = 0;
-
- for(int i = 0; i<= nLineRange; i++)
- {
- Scanline pTmpY = pAcc->GetScanline( nLineStart + i );
- Scanline pTmpX = pTmpY + 3L * nRowStart;
- long nSumRowR = 0;
- long nSumRowG = 0;
- long nSumRowB = 0;
- long nTotalWeightX = 0;
-
- for(int j = 0; j <= nRowRange; j++)
- {
- if(nX == nEndX )
- {
- nSumRowR += ( *pTmpX ) << 7L;pTmpX++;
- nSumRowG += ( *pTmpX ) << 7L;pTmpX++;
- nSumRowB += ( *pTmpX ) << 7L;pTmpX++;
- nTotalWeightX += 1 << 7L;
- }
- else if( j == 0 )
- {
- long nWeightX = (nMax- pMapFX[ nLeft ]) ;
- nSumRowR += ( nWeightX *( *pTmpX )) ;pTmpX++;
- nSumRowG += ( nWeightX *( *pTmpX )) ;pTmpX++;
- nSumRowB += ( nWeightX *( *pTmpX )) ;pTmpX++;
- nTotalWeightX += nWeightX;
- }
- else if ( nRowRange == j )
- {
- long nWeightX = pMapFX[ nRight ] ;
- nSumRowR += ( nWeightX *( *pTmpX ) );pTmpX++;
- nSumRowG += ( nWeightX *( *pTmpX ) );pTmpX++;
- nSumRowB += ( nWeightX *( *pTmpX ) );pTmpX++;
- nTotalWeightX += nWeightX;
- }
- else
- {
- nSumRowR += ( *pTmpX ) << 7L;pTmpX++;
- nSumRowG += ( *pTmpX ) << 7L;pTmpX++;
- nSumRowB += ( *pTmpX ) << 7L;pTmpX++;
- nTotalWeightX += 1 << 7L;
- }
- }
-
- long nWeightY = nMax;
- if( nY == nEndY )
- nWeightY = nMax;
- else if( i == 0 )
- nWeightY = nMax - pMapFY[ nTop ];
- else if( nLineRange == 1 )
- nWeightY = pMapFY[ nTop ];
- else if ( nLineRange == i )
- nWeightY = pMapFY[ nBottom ];
-
- nSumB += nWeightY * ( nSumRowB / nTotalWeightX );
- nSumG += nWeightY * ( nSumRowG / nTotalWeightX );
- nSumR += nWeightY * ( nSumRowR / nTotalWeightX );
- nTotalWeightY += nWeightY;
- }
-
- BitmapColor aColRes( ( sal_uInt8 ) (( nSumR / nTotalWeightY ) ),
- ( sal_uInt8 ) (( nSumG / nTotalWeightY) ),
- ( sal_uInt8 ) (( nSumB / nTotalWeightY) ));
- pWAcc->SetPixel( nYDst, nXDst++, aColRes );
- }
- }
- }
- }
- else
- {
- if( scaleX >= fScaleThresh && scaleY >= fScaleThresh )
- {
- for( long nY = nStartY, nYDst = 0L; nY <= nEndY; nY++, nYDst++ )
- {
- long nTempY = pMapIY[ nY ];
- long nTempFY = pMapFY[ nY ];
-
- for( long nX = nStartX, nXDst = 0L; nX <= nEndX; nX++ )
- {
- long nTempX = pMapIX[ nX ];
- long nTempFX = pMapFX[ nX ];
-
- BitmapColor aCol0 = pAcc->GetPixel( nTempY, nTempX );
- BitmapColor aCol1 = pAcc->GetPixel( nTempY, ++nTempX );
- sal_uInt8 cR0 = MAP( aCol0.GetRed(), aCol1.GetRed(), nTempFX );
- sal_uInt8 cG0 = MAP( aCol0.GetGreen(), aCol1.GetGreen(), nTempFX );
- sal_uInt8 cB0 = MAP( aCol0.GetBlue(), aCol1.GetBlue(), nTempFX );
-
- aCol1 = pAcc->GetPixel( ++nTempY, nTempX );
- aCol0 = pAcc->GetPixel( nTempY--, --nTempX );
- sal_uInt8 cR1 = MAP( aCol0.GetRed(), aCol1.GetRed(), nTempFX );
- sal_uInt8 cG1 = MAP( aCol0.GetGreen(), aCol1.GetGreen(), nTempFX );
- sal_uInt8 cB1 = MAP( aCol0.GetBlue(), aCol1.GetBlue(), nTempFX );
-
- BitmapColor aColRes( MAP( cR0, cR1, nTempFY ),
- MAP( cG0, cG1, nTempFY ),
- MAP( cB0, cB1, nTempFY ) );
- pWAcc->SetPixel( nYDst, nXDst++, aColRes );
- }
- }
- }
- else
- {
- for( long nY = nStartY , nYDst = 0L; nY <= nEndY; nY++, nYDst++ )
- {
- long nTop = bVMirr ? ( nY + 1 ) : nY;
- long nBottom = bVMirr ? nY : ( nY + 1 ) ;
-
- long nLineStart, nLineRange;
- if( nY ==nEndY )
- {
- nLineStart = pMapIY[ nY ];
- nLineRange = 0;
- }
- else
- {
- nLineStart = pMapIY[ nTop ] ;
- nLineRange = ( pMapIY[ nBottom ] == pMapIY[ nTop ] ) ? 1 :( pMapIY[ nBottom ] - pMapIY[ nTop ] );
- }
-
- for( long nX = nStartX , nXDst = 0L; nX <= nEndX; nX++ )
- {
- long nLeft = bHMirr ? ( nX + 1 ) : nX;
- long nRight = bHMirr ? nX : ( nX + 1 ) ;
-
- long nRowStart, nRowRange;
- if( nX == nEndX )
- {
- nRowStart = pMapIX[ nX ];
- nRowRange = 0;
- }
- else
- {
- nRowStart = pMapIX[ nLeft ];
- nRowRange = ( pMapIX[ nRight ] == pMapIX[ nLeft ] )? 1 : ( pMapIX[ nRight ] - pMapIX[ nLeft ] );
- }
-
- long nSumR = 0;
- long nSumG = 0;
- long nSumB = 0;
- long nTotalWeightY = 0;
-
- for(int i = 0; i<= nLineRange; i++)
- {
- long nSumRowR = 0;
- long nSumRowG = 0;
- long nSumRowB = 0;
- long nTotalWeightX = 0;
-
- for(int j = 0; j <= nRowRange; j++)
- {
- BitmapColor aCol0 = pAcc->GetPixel( nLineStart + i, nRowStart + j );
-
- if(nX == nEndX )
- {
-
- nSumRowB += aCol0.GetBlue() << 7L;
- nSumRowG += aCol0.GetGreen() << 7L;
- nSumRowR += aCol0.GetRed() << 7L;
- nTotalWeightX += 1 << 7L;
- }
- else if( j == 0 )
- {
-
- long nWeightX = (nMax- pMapFX[ nLeft ]) ;
- nSumRowB += ( nWeightX *aCol0.GetBlue()) ;
- nSumRowG += ( nWeightX *aCol0.GetGreen()) ;
- nSumRowR += ( nWeightX *aCol0.GetRed()) ;
- nTotalWeightX += nWeightX;
- }
- else if ( nRowRange == j )
- {
-
- long nWeightX = pMapFX[ nRight ] ;
- nSumRowB += ( nWeightX *aCol0.GetBlue() );
- nSumRowG += ( nWeightX *aCol0.GetGreen() );
- nSumRowR += ( nWeightX *aCol0.GetRed() );
- nTotalWeightX += nWeightX;
- }
- else
- {
- nSumRowB += aCol0.GetBlue() << 7L;
- nSumRowG += aCol0.GetGreen() << 7L;
- nSumRowR += aCol0.GetRed() << 7L;
- nTotalWeightX += 1 << 7L;
- }
- }
-
- long nWeightY = nMax;
- if( nY == nEndY )
- nWeightY = nMax;
- else if( i == 0 )
- nWeightY = nMax - pMapFY[ nTop ];
- else if( nLineRange == 1 )
- nWeightY = pMapFY[ nTop ];
- else if ( nLineRange == i )
- nWeightY = pMapFY[ nBottom ];
-
- nSumB += nWeightY * ( nSumRowB / nTotalWeightX );
- nSumG += nWeightY * ( nSumRowG / nTotalWeightX );
- nSumR += nWeightY * ( nSumRowR / nTotalWeightX );
- nTotalWeightY += nWeightY;
- }
-
- BitmapColor aColRes( ( sal_uInt8 ) (( nSumR / nTotalWeightY) ),
- ( sal_uInt8 ) (( nSumG / nTotalWeightY) ),
- ( sal_uInt8 ) (( nSumB / nTotalWeightY) ));
- pWAcc->SetPixel( nYDst, nXDst++, aColRes );
-
- }
- }
- }
- }
- }
-
- bRet = true;
- }
-
- if( bRet )
- {
- ImplAdaptBitCount(aOutBmp);
- ImplAssignWithSize(aOutBmp);
- }
-
- if( !bRet )
- bRet = ImplScaleFast( scaleX, scaleY );
- }
-
- return bRet;
-}
-
namespace
{
void ImplCalculateContributions(
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-27 20:24:17 +0000