[racket] Problem with hline in

That could probably be added to record-dc% (which the repl uses).

Robby

On Sat, May 26, 2012 at 2:58 PM, Neil Toronto <neil.toronto at gmail.com> wrote:
> On 05/26/2012 08:17 AM, Robby Findler wrote:
>>
>> On Sat, May 26, 2012 at 10:09 AM, Jens Axel Søgaard
>> <jensaxel at soegaard.net>  wrote:
>>>
>>> 2012/5/26 Robby Findler<robby at eecs.northwestern.edu>:
>>>>
>>>> As for cropping, the DrRacket REPL is the thing that does the cropping
>>>>
>>>> (and, in some cases, it may not be cropping, actually, but two
>>>> different parts of the window are fighting with each other for the
>>>> pixels when something draws outside of its bounding box, as a scaled
>>>> hline does).
>>>
>>>
>>> Okay, I thought there was a guarantee that the drawing happened
>>> inside the bounding box.
>>
>>
>> That is not a guarantee and importantly not one (for picts, generally
>> speaking, that is). refocus is a common way that guarantee fails to
>> hold, for example.
>
>
> It really should be guaranteed by the REPL, though. This is awful:
>
> #lang racket
>
> (require slideshow)
>
> (dc (λ (dc x y)
>      (send dc set-background "magenta")
>      (send dc clear))
>    100 100)
>
> Shouldn't snips generally not be allowed to draw outside their bounding
> boxes?
>
> Neil ⊥
>
> ____________________
>  Racket Users list:
>  http://lists.racket-lang.org/users