export snapshot on iOS results in black image file

[Thomas McGrath III]

Nope, no black regions and I did try the objet version as well as a bunch of other varieties I also tried (0,0,200,200) as well. No luck.

-- Tom McGrath III
http://lazyriver.on-rev.com
3mcgrath at comcast.net

On Jul 15, 2012, at 10:35 PM, Scott Rossi wrote:

> Do you have any black regions displayed on your screen?  Because I'm pretty
> sure that, with your current script, you're capturing global screen
> coordinates, even though you've specified an object's rect.  You either need
> to use the snapshot form that references a specific object, or convert your
> rect to local (stack) coordinates.
> 
> Regards,
> 
> Scott Rossi
> Creative Director
> Tactile Media, UX Design
> 
> 
> 
> Recently, Thomas McGrath III wrote:
> 
>> Has anyone run into an issue where exporting a snapshot on iOS results in a
>> black image file?
>> 
>> Here is the very simple code I am using:
>>   put specialFolderPath("documents") into tFolder
>>   put the rect of image "image" into tRect
>>   export snapshot from rect tRect to file (tFolder&"/test.jpg") as JPEG
>> 
>> With document sharing on I get a black image test.jpg in iTunes and also if I
>> try to email it etc. it is still just a black image.
>> 
>> Thanks
>> 
>> 
>> -- Tom McGrath III
>> http://lazyriver.on-rev.com
>> 3mcgrath at comcast.net
>> 
>> 
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