does this PNG have transparency?

[Phil Davis]

I like it! Nice job.

Phil


On 1/27/20 8:21 AM, Bob Sneidar via use-livecode wrote:
> Voila!
>
> function pngIsTransparent pImageFile
>     if not (there is a file pImageFile) then return "ERROR: Invalid file path!"
>     set the filename of the templateImage to pImageFile
>     put numtochar(0) into tZero
>     return (tZero is in the alphaData of the templateImage) OR (tZero is in the maskData of the templateImage)
> end pngIsTransparent
>
> Another one for the masterLibrary
>
> Bob S
>
>
>> On Jan 27, 2020, at 08:16 , Paul Dupuis via use-livecode <use-livecode at lists.runrev.com> wrote:
>>
>> You should be able to use 'the templateImage' (see dictionary), and numToChar probably should be numToByte
>>
>> As in:
>>
>> on mouseUp
>>     answer file "Pick an image:"
>>     if it is empty then exit to top
>>     set the filename of the templateImage to it
>>
>>     put numToByte(0) into tZero
>>     put (tZero is in the alphaData of the templateImage) OR (tZero is in the maskData of the templateImage)
>> end mouseUp
>
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-- 
Phil Davis
503-307-4363