F.Y.I. picture operators were updated in v14 http://doc.4d.com/4Dv15/4D/15.4/Picture-Operators.300-3274678.en.html
> (*) The functioning of the exclusive superimposition (&) and inclusive > superimposition (|) operators is modified starting with 4Dv14 following the > update of the display management libraries used by the program. > Pict3 := Pict1 & Pict2 produces the same result as: > COMBINE PICTURES(pict3;pict1;Superimposition;pict2) but your problem might be related to the specification > The picture operators return vectorial pictures if the two source pictures > are vectorial. Remember, however, that pictures printed by the display format > On Background are printed bitmapped. alternatively you could explicitly replace the "white" pixels with "transparent". http://doc.4d.com/4Dv15/4D/15.4/TRANSFORM-PICTURE.301-3274515.en.html > 2017/10/19 22:56、Ronnie Teo via 4D_Tech <4d_tech@lists.4d.com> のメール: > > The problem is that now the white background of Picture2 also covers part of > Picture1 instead of being a clean transparent overlay. > Can anyone advise how it’s possible to deal with the background issue when > combining 2 pictures with the new picture commands? ********************************************************************** 4D Internet Users Group (4D iNUG) FAQ: http://lists.4d.com/faqnug.html Archive: http://lists.4d.com/archives.html Options: http://lists.4d.com/mailman/options/4d_tech Unsub: mailto:4d_tech-unsubscr...@lists.4d.com **********************************************************************