Testing if an image is empty (blank)?

[Klaus Major]

Hi Trevor,

> On Aug 16, 2005, at 11:26 AM, david bovill wrote:
>> Thanks of the tip - works great for image object.
>> On 16 Aug 2005, at 17:44, Derek Bump wrote:
>>
>>> if (the imagePixMapID of img "testImage") is empty then
>>>   answer "Unable to open the selected image." with "OK"
>>> end if
>> Now for the player object? Do you have any scripts / appleScripts  
>> for figuring out whether the fileType of a file is supported by  
>> QuickTime? I am getting rather pleasant / unpleasant surprises  
>> here - what is being displayed for pdf's and text files?
>> Work in progress....
> For images and player objects you can check the result() after  
> setting the fileName of the object.  If it isn't empty then there  
> was an error.

is this a "new" feature?

I remember that with earlier versions the result was always empty,  
even if you selected
a text (TXT) file.

> -- 
> Trevor DeVore
> Blue Mango Multimedia
> trevor at mangomultimedia.com

Regards

Klaus Major
klaus at major-k.de
http://www.major-k.de