What I did was re-assign the bitmap that was passed as the incoming function
paramter.
eg
function Tcamform.SizeFunc(BMap: Tbitmap): Tbitmap;
var
BMPtmp, BMPtmpB: TFastBMP;
wsize, hsize: word;
fval1, fval2: single;
begin
//other code here
BMPtmpB := TfastBMP.CreateFromhBmp(BMap.handle);
BMPtmp := TfastBMP.Create(wsize, hsize);
BMap.Width := wsize;
BMap.Height := hsize;
BMPtmpB.SmoothResize(BMPtmp);
BMPtmp.Draw(bmap.canvas.handle, 0, 0);
result :=bmap;
//Is that clean and tidy enuff?
That works, but from my days of C which I have forgotten the '*' operator
was 'the contents of' a pointer.
So in C (maybe Im wrong) this was probably OK:
result:=*BmpTEMP;
BmpTEMP.free;
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