That could be a bug, or maybe a side effect of the design. Would you mind
opening an issue on github for us to look into later?
Thanks,
John.
> On Nov 29, 2015, at 6:10 AM, Sankaranarayanan Viswanathan
> <rationalrev...@gmail.com> wrote:
>
>> On 11/29/15 7:22 PM, Jon Harper wrote:
>> There's an image-gadget implementation from images.viewer, maybe you
>> should start from that and expand to get all the functionnality you
>> need ?
>>
>> IN: scratchpad
>> "resource:./misc/icons/factor_48...@2x.png" <image-gadget> gadget.
>> "resource:./misc/icons/factor_48...@2x.png" <image-gadget> "image"
>> open-window
>>
>> Jon
>>
>>
>> On Sun, Nov 29, 2015 at 1:37 PM, Sankaranarayanan Viswanathan
>> <rationalrev...@gmail.com> wrote:
>>> Hi,
>>>
>>> Hi, i'm facing a problem drawing textures in a new window. when I
>>> create the gadget and add it to the listener using gadget. the image
>>> shows corretly, when I create the gadget and use open-window, the
>>> image does not show up on the new window.
>>>
>>> Sample code below:
>>>
>>> TUPLE: i-gadget < gadget
>>> image texture ;
>>>
>>> : <i-gadget> ( path -- gadget )
>>> [ i-gadget new ] dip load-image >>image ;
>>>
>>> M: i-gadget pref-dim*
>>> image>> dim>> [ 20 + ] map ;
>>>
>>> M: i-gadget graft*
>>> dup find-gl-context
>>> dup image>> { 0 0 } <texture> >>texture drop ;
>>>
>>> M: i-gadget ungraft*
>>> dup find-gl-context
>>> dup texture>> dispose
>>> f >>texture drop ;
>>>
>>> M: i-gadget draw-gadget*
>>> [ { 10 10 } ] dip texture>> [ draw-texture ]
>>> curry with-translation ;
>>>
>>> ! In the listener
>>>
>>> "vocab:images/sprites/game_drop.png" <i-gadget> gadget.
>>>
>>> ! the above works and shows the image in the listener
>>>
>>> "vocab:images/sprites/game_drop.png" <i-gadget> "i-gadget" open-window
>>>
>>> ! the above opens a new window but the image does not show
>>>
>>> What could I be missing?
>>>
>>> Thanks,
>>> Sankar
>>>
>>>
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>>> https://lists.sourceforge.net/lists/listinfo/factor-talk
>>
>> ------------------------------------------------------------------------------
>
> I see that moving the texture creation code from graft* to draw-gadget*
> solves the issue. I'm wondering if this is a bug, since the
> documentation for graft* mentions that resources can be allocated on
> this method (and to use find-gl-context to ensure the correct GL context
> is setup before allocating the resources).
>
> The modified the code shown below works correctly:
>
> M: i-gadget graft*
> drop ;
>
> M: i-gadget draw-gadget*
> [ { 10 10 } ] dip
> dup texture>> [ ]
> [ dup image>> { 0 0 } <texture> >>texture texture>> ] ?if
> [ draw-texture ] curry with-translation ;
>
> image-gadget seems to have been implemented in the same way though (i.e.
> setting up textures is done on the 1st call into draw-gadget*).
>
> Thanks,
> Sankar
>
>
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