diff options
| -rw-r--r-- | vcl/source/gdi/bitmap4.cxx | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/vcl/source/gdi/bitmap4.cxx b/vcl/source/gdi/bitmap4.cxx index dbda9e68d4e8..04ca76da5ba9 100644 --- a/vcl/source/gdi/bitmap4.cxx +++ b/vcl/source/gdi/bitmap4.cxx @@ -1192,10 +1192,11 @@ bool Bitmap::ImplDuotoneFilter( const sal_uLong nColorOne, const sal_uLong nColo for( int y = 0; y < nHeight; y++ ) { BitmapColor aColor = pReadAcc->GetColor( y, x ); + sal_uInt8 luminance = aColor.GetLuminance(); BitmapColor aResultColor( - lcl_getDuotoneColorComponent( aColor.GetRed(), aColorOne.GetRed(), aColorTwo.GetRed() ) , - lcl_getDuotoneColorComponent( aColor.GetGreen(), aColorOne.GetGreen(), aColorTwo.GetGreen() ) , - lcl_getDuotoneColorComponent( aColor.GetBlue(), aColorOne.GetBlue(), aColorTwo.GetBlue() ) ); + lcl_getDuotoneColorComponent( luminance, aColorOne.GetRed(), aColorTwo.GetRed() ) , + lcl_getDuotoneColorComponent( luminance, aColorOne.GetGreen(), aColorTwo.GetGreen() ) , + lcl_getDuotoneColorComponent( luminance, aColorOne.GetBlue(), aColorTwo.GetBlue() ) ); pWriteAcc->SetPixel( y, x, aResultColor ); } } |