Hacking the GUI

Thomas McGrath III mcgrath3 at mac.com
Wed Oct 9 08:47:00 EDT 2013


Jim, Are you saying that you got smooth rotating of large images on iOS?


Thanks Tom

-- Tom McGrath III
http://lazyriver.on-rev.com
mcgrath3 at mac.com

On Oct 9, 2013, at 1:45 AM, Jim sims <sims at ezpzapps.com> wrote:

> I just spent a few hours on an iOS app where i was using Grab to move a
> large, 2-4mb, photo around.
> 
> Was jerky, until i realized that the scroller was accounting for the
> jerkiness.
> 
> Found a way to do preopenstack before and after that moving process
> (killing reviving) the scroller.
> 
> Can grab photo and spin it around now.
> 
> Is there a scroller? Are you on iOS?
> 
> sims
> 
> On Wednesday, October 9, 2013, Earthednet-wp wrote:
> 
>> Folks,
>> Thanks for the comments. What I'm doing is dragging an image that is
>> larger than the viewing area. I set the loc of the image (according to the
>> mouseloc) inside a repeat loop. The general idea is below.
>> 
>> On drag
>>  repeat while the mouseStillDown
>>       --set the loc of the image according to the mouseloc
>>  end repeat
>> end drag
>> 
>> The motion of the image is pretty jerky. It's a pretty large image. The
>> reason I wanted to add and subtract points is to calculate the new loc for
>> the image. I do this now by separating out x and y and operating on them
>> individually. I suspect that most of the time is spent moving that large
>> image, though, instead of doing the calculations.
>> 
>> The image is a map, and I intend on plotting symbols on it. To speed this
>> up, I'm plotting on a snapshot of the visible part of the image (which sits
>> on top of the visible part). The plot will need to be updated each time the
>> map is dragged or is magnification changed.
>> 
>> If there is a faster way to move a large image around, I'd like to hear of
>> it.
>> 
>> Thanks again,
>> Bill
>> 
>> William Prothero
>> http://es.earthednet.org
>> 
>> On Oct 8, 2013, at 7:33 PM, "J. Landman Gay" <jacque at hyperactivesw.com<javascript:;>>
>> wrote:
>> 
>>> On 10/8/13 9:29 PM, Monte Goulding wrote:
>>>> 
>>>> On 09/10/2013, at 1:25 PM, J. Landman Gay wrote:
>>>> 
>>>>> I think my answer was condescending, I apologize.
>>>> 
>>>> Maybe I read a different answer ;-)
>>>>> 
>>>>> The dictionary in 6.1.1 doesn't have an example of addition in the
>> points entry. Is that in a different version's dictionary?
>>>> 
>>>> It's the point entry not the points entry.
>>> 
>>> Aha. Thanks, found it.
>>> 
>>> --
>>> Jacqueline Landman Gay         |     jacque at hyperactivesw.com<javascript:;>
>>> HyperActive Software           |     http://www.hyperactivesw.com
>>> 
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