identify broken images

[Ken Ray]

On 12/27/04 6:03 AM, "Thierry Arbellot" <thierry.arbellot at wanadoo.fr> wrote:

> Hi,
> 
> Have you tried the size property on the image ?
> if the size of image "im_1" =  0 then ...
> 
> Thierry
> 
> On Monday, Dec 27, 2004, at 00:11 Europe/Paris, Claus Dreischer wrote:
> 
>> Hi,
>> 
>> i have a small problem i don't see a simple solution for.
>> Maybe someone here has one.
>> 
>> I want to display JPGs from file, so i make a
>> 
>> put URL ("binfile:" & my_file) into image "im_1"
>> 
>> This is working OK.
>> But when the JPG in the filepath my_file is faulty (broken download or
>> something)
>> The above line displays an empty image "im_1".
>> 
>> I now want to identify these faulty images.
>> I tried the following with no result:
>> 
>> if the imagedata of image "im_1" is not empty then ...
>> 
>> if image "im_1" is not empty then ...
>> 
>> if the length of image "im_1" > 0 then ...
>> 
>> 
>> Has anyone an idea how to identify an "empty" image?
>> (its not realy empty but nothing is displayed)

Can't you just say:
 
 if there is a file (the fileName of image "im_1") then
    answer "it's cool"
 else
    answer "it's missing"
 end if


Or am I missing something?

Ken Ray
Sons of Thunder Software
Web site: http://www.sonsothunder.com/
Email: kray at sonsothunder.com