tdf#124377: enable anti-aliasing metafile during redaction

Change-Id: I6c8a0f6ceaad5d9ec47cce1b00b8ccdd77530aaf
Reviewed-on: https://gerrit.libreoffice.org/79266
Tested-by: Jenkins
Reviewed-by: Muhammet Kara <muhammet.kara@collabora.com>
diff --git a/filter/source/pdf/pdfexport.cxx b/filter/source/pdf/pdfexport.cxx
index 952a33a..9c02301 100644
--- a/filter/source/pdf/pdfexport.cxx
+++ b/filter/source/pdf/pdfexport.cxx
@@ -239,7 +239,8 @@
                            try
                            {
                                Graphic aGraph(aMtf);
                                BitmapEx bmp = aGraph.GetBitmapEx();
                                // use antialiasing to improve how graphic objects look
                                BitmapEx bmp = aGraph.GetBitmapEx(GraphicConversionParameters(Size(0, 0), false, true, false));
                                Graphic bgraph(bmp);
                                aMtf = bgraph.GetGDIMetaFile();
                            }