Got it!
Thank you very much, I was trying something similar, but without success:
First convert the string to bytes and then use
MemoryInputStream.from_bytes ()
Your solution is perfect: I owe you a place in the acknowledgments of my
application.
Thank you!
El 08/03/17 a las 12:49, Al Thomas escribió:
>> ----- Original Message -----
>> From: "webie...@gmail.com" <webie...@gmail.com>
>> Sent: Wednesday, 8 March 2017, 10:59
>> Subject: [Vala] Genie + Gtk: Image Base64
>> I would like to know if in Genie (with Gtk +) I can visualize an image
>> that I have as a string in base64 format?
>> I tried to use Base64.decode like this:
>> Decoded: string = (string) Base64.decode ("iVBORw0KGgoAAAAN ...")
>> But I do not know if this can be translated somehow to Gdk.Pixbuf?
>
> Base64.decode returns an array of unsigned char (uchar[]). This is the
> same as uint8[], also known as a buffer. Instead of casting to string
> assign the data to a buffer and then use MemoryInputStream:
>
> [indent=4]
> uses Gdk
>
> init
> data:array of uint8 = Base64.decode ("iVBORw0KGgoAAAAN ...")
> var stream = new MemoryInputStream.from_data( data )
> try
> var image = new Pixbuf.from_stream( stream )
> except err:Error
> print( err.message )
>
> You dummy data gives me:
> Premature end-of-file encountered
>
> So it kind of works, hopefully it will with a real image.
>
> Al
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