PNG with No Alpha Channel?

Josh Mellicker josh at dvcreators.net
Mon Jun 9 14:58:03 CDT 2008


How are you determining whether the exported image has an alpha channel?

On Jun 9, 2008, at 12:38 PM, Klaus Major wrote:

> Hi Trevor,
>
>> On Jun 9, 2008, at 2:17 PM, Klaus Major wrote:
>>> Sorry, was a bit too fast!
>>> Just had a look in Photoshop at the resulting files and both do  
>>> have an alpha channel.
>>> Maybe you could export the snapshot to a variable as JPEG first  
>>> and then to fiel as PNG?
>> I need to export to PNG as I need a lossless image.  I just tried  
>> exporting to paint as a variable and assigning the variable to the  
>> text property of an image but the image displayed nothing. I then  
>> exporting to paint as a file and assigned the file to the filename  
>> property of the image and the image data displayed properly. Alas,  
>> exporting the image as PNG to a file resulted in an image with an  
>> alpha channel.
>
> Maybe you were right and all exports to PNG format DO have an alpha  
> channel, be it necessary or not.
>
>> -- 
>> Trevor DeVore
>> Blue Mango Learning Systems
>> ScreenSteps: http://www.screensteps.com
>> Developer Resources: http://revolution.bluemangolearning.com
>
> Best
>
> Klaus Major
> klaus at major-k.de
> http://www.major-k.de
>
>
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