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, 5 insertions, 19 deletions

diff --git a/include/vcl/bitmap.hxx b/include/vcl/bitmap.hxx
index 6ba6dd43378c..aa330fde9877 100644
--- a/include/vcl/bitmap.hxx
+++ b/include/vcl/bitmap.hxx
@@ -177,28 +177,14 @@ public:
      */
     bool                    Convert( BmpConversion eConversion );
 
-
-    /** Convert to 2 color bitmap.
-
-        Converts to a 2 color indexed bitmap - note that we don't change to black and white
-        monochrome, but we pick the closest color to black and white in the bitmap.
-
-        @param cThreshold
-        Luminance value that determines whether the colour should be black (or closest
-        color to black) or white (or closest color to white).
-
-        @return true conversion to monochrome bitmap was successful
-    */
-    bool                    MakeMonochrome(sal_uInt8 cThreshold);
-
     /** Apply a dither algorithm to the bitmap
 
-        This method dithers the bitmap inplace, i.e. a true color
-        bitmap is converted to a paletted bitmap, reducing the color
-        deviation by error diffusion.
+     This method dithers the bitmap inplace, i.e. a true color
+     bitmap is converted to a paletted bitmap, reducing the color
+     deviation by error diffusion.
 
-        @param nDitherFlags
-        The algorithm to be used for dithering
+     @param nDitherFlags
+     The algorithm to be used for dithering
      */
     bool                    Dither( BmpDitherFlags nDitherFlags );