On 08/02/2016 04:27 PM, Robby Findler wrote:
> 2htdp/images can be 0xN or Nx0 just fine. If you wish to render them
> to a bitmap, does the file/convertible library not work for you?
For me? No, I needed a bitmap% object rather than a file.
Tony
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2htdp/images can be 0xN or Nx0 just fine. If you wish to render them
to a bitmap, does the file/convertible library not work for you?
Robby
On Tue, Aug 2, 2016 at 11:01 AM, Matthias Felleisen
wrote:
>
> A 0-sized bitmap in 2htdp is the neutral element for many operations.
>
> ;; [Listof Image] -
> On Aug 2, 2016, at 6:02 AM, Normal Loone wrote:
>
> Hello,
>
> I am writing a plugin that tracks the development of code. Currently I want
> to save the times the run button is pressed (i.e. the code is executed).
> How can I access when the run button is pressed?
>
> Additionally I'd like
A 0-sized bitmap in 2htdp is the neutral element for many operations.
;; [Listof Image] -> Image
(define (composite l-of-images)
(foldl beside empty-images l-of-images))
The inelegance of dealing with 1-element lists instead of all lists
is beyond the pale.
> On Aug 2, 2016, at 11:32 AM
On 07/29/2016 12:26 PM, George Neuner wrote:
> I don't see any obvious utility in being allowed to create a zero
> sized bitmap. Likewise a widget or a canvas.
It is useful when writing code that handles images generically. For
example, and this is a real example where the zero-size-bitmap error
Hello,
I am writing a plugin that tracks the development of code. Currently I want to
save the times the run button is pressed (i.e. the code is executed).
How can I access when the run button is pressed?
Additionally I'd like to mark when the code is saved under a new name (as a new
.rkt file
Just following this conversation.
On Fri, 29 Jul 2016 08:25:35 -0600, Matthew Flatt
wrote:
>It may be that a guard against a 0-sized drawing dimension is needed.
>The right place for the guard might be in the `get-cr` method of
>
> gui-lib/mred/private/wx/common/backing-dc.rkt
>
>after `get-bac
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