vcl: move Bitmap::MakeMonochrome() to BitmapMonochromeFilter

Change-Id: Iefe5be4349475a4aa0138534cf6bfe87ff7df245
Reviewed-on: https://gerrit.libreoffice.org/53280
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Tomaž Vajngerl <quikee@gmail.com>

1 files changed, 0 insertions, 76 deletions

diff --git a/vcl/source/bitmap/bitmap.cxx b/vcl/source/bitmap/bitmap.cxx
index b273bbfca983..23477b6e60ab 100644
--- a/vcl/source/bitmap/bitmap.cxx
+++ b/vcl/source/bitmap/bitmap.cxx
@@ -850,82 +850,6 @@ Bitmap Bitmap::CreateDisplayBitmap( OutputDevice* pDisplay )
     return aDispBmp;
 }
 
-bool Bitmap::MakeMonochrome(sal_uInt8 cThreshold)
-{
-    ScopedReadAccess pReadAcc(*this);
-    bool bRet = false;
-
-    if( pReadAcc )
-    {
-        Bitmap aNewBmp( GetSizePixel(), 1 );
-        BitmapScopedWriteAccess pWriteAcc(aNewBmp);
-
-        if( pWriteAcc )
-        {
-            const BitmapColor aBlack( pWriteAcc->GetBestMatchingColor( COL_BLACK ) );
-            const BitmapColor aWhite( pWriteAcc->GetBestMatchingColor( COL_WHITE ) );
-            const long nWidth = pWriteAcc->Width();
-            const long nHeight = pWriteAcc->Height();
-
-            if( pReadAcc->HasPalette() )
-            {
-                for( long nY = 0; nY < nHeight; nY++ )
-                {
-                    Scanline pScanline = pWriteAcc->GetScanline(nY);
-                    Scanline pScanlineRead = pReadAcc->GetScanline(nY);
-                    for( long nX = 0; nX < nWidth; nX++ )
-                    {
-                        const sal_uInt8 cIndex = pReadAcc->GetIndexFromData( pScanlineRead, nX );
-                        if( pReadAcc->GetPaletteColor( cIndex ).GetLuminance() >=
-                            cThreshold )
-                        {
-                            pWriteAcc->SetPixelOnData( pScanline, nX, aWhite );
-                        }
-                        else
-                            pWriteAcc->SetPixelOnData( pScanline, nX, aBlack );
-                    }
-                }
-            }
-            else
-            {
-                for( long nY = 0; nY < nHeight; nY++ )
-                {
-                    Scanline pScanline = pWriteAcc->GetScanline(nY);
-                    Scanline pScanlineRead = pReadAcc->GetScanline(nY);
-                    for( long nX = 0; nX < nWidth; nX++ )
-                    {
-                        if( pReadAcc->GetPixelFromData( pScanlineRead, nX ).GetLuminance() >=
-                            cThreshold )
-                        {
-                            pWriteAcc->SetPixelOnData( pScanline, nX, aWhite );
-                        }
-                        else
-                            pWriteAcc->SetPixelOnData( pScanline, nX, aBlack );
-                    }
-                }
-            }
-
-            pWriteAcc.reset();
-            bRet = true;
-        }
-
-        pReadAcc.reset();
-
-        if( bRet )
-        {
-            const MapMode aMap( maPrefMapMode );
-            const Size aSize( maPrefSize );
-
-            *this = aNewBmp;
-
-            maPrefMapMode = aMap;
-            maPrefSize = aSize;
-        }
-    }
-
-    return bRet;
-}
-
 bool Bitmap::GetSystemData( BitmapSystemData& rData ) const
 {
     bool bRet = false;