cstester - a tool for testing loading and painting of documents

[Thorsten Zachmann]

On Wednesday, January 19, 2011 14:27:07 Inge Wallin wrote:
> On Wednesday, January 19, 2011 05:46:04 Thorsten Zachmann wrote:
> > On Tuesday, January 18, 2011 14:24:38 Inge Wallin wrote:
> > > For Words, how about adding a dump of the text layout and compare
> > > that?  That  should be easier (and faster!) than generating and
> > > comparing bitmaps. The bitmaps themselves would also not give much
> > > added information, especially if the goal is to find faulty layouts
> > > which seems to be the biggest problem right now except for crashes.
> > 
> > You see that as an additional feature or as replacement for the image
> > based one.
> > I relay like to keep the imaged based one as it also tests the code
> > called during painting and that is quite different from the internal
> > representation.
> 
> My original reason for suggesting this is because I think that the image
> based test is to fragile.  If one single pixel is moved or changed just a
> little bit, the test is failing.  It can also sometimes be difficult to
> see small differences in pictures.

True but that should not happen.

> Since the dump of the layout will be text based, it will be much simpler to
> spot differences.

but it will not make sure the stuff is painted correctly.

> I guess I see it as an addition rather than a replacement. The picture
> approach is probably easier to create but more difficult to evaluate. Or
> not. I'm not sure.
> 
> Btw, are you going to produce a picture per page or one huge picture per
> document?

Per page.

Thorsten