On 03/09/12 16:11, Felipe Monteiro de Carvalho wrote:
The code works as expected. Translucency is not supported, only full transparent or full opaque.
I want "full transparent" or "100% see-thru". Like I said... there seems to be a 101 definitions of "transparent" in this mailing list. I got the same confusing answers back in 2009.
If you set a region that includes the entire control, by definition nothing will change. You need to include in your region what you want to include. In this case the text+button.
OK, so as a sample, I included a 5x5 region to be opaque, and by your definition, everything else should be "full transparent/see-thru".
So I did this..
r := TRegion.Create;
FMyContainer := TTransparentContainer.Create(self);
FMyContainer.Parent := self;
with FMyContainer do
begin
Left := 50;
Top := 50;
Width := 300;
Height := 200;
r.AddRectangle(0, 0, 10, 10);
SetShape(r);
end;
Now as you can see the container is much larger than 10x10, so I should
see a grey 10x10 block, and the rest should be the background logo of
the main form.
Yet, nothing changed. The output at runtime looks exactly like the image I attached in my previous message. The whole container is painted grey, even though I this time defined a smaller region.
It seems my initial assumption is still correct. Transparency in LCL-GTK2 at least is not supported. I say LCL-GTK2, because that is currently the only widgetset I have tested.
If you still disagree with my assumption, could you possibly take my test code (attached) and see if you can get a working fully 100% transparent (looking like clear glass) see-thru container? Something where the main forms tiled background will show through. Ignoring the Label and Button for now. I would very much appreciate your help with this. I simply can't get it to work.
Regards, - Graeme -
tile_background.tar.gz
Description: GNU Zip compressed data
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