[squeak-dev] Modern way to load a picture from the web?

Marcel Taeumel marcel.taeumel at hpi.de
Fri Mar 22 07:24:46 UTC 2019


Huh? WebResponse >> #contentStream has been there since 2012.

Best,
Marcel
Am 21.03.2019 20:37:40 schrieb H. Hirzel <hannes.hirzel at gmail.com>:
It works if I replace

#contentStream

with

content asByteArray readStream

Form fromBinaryStream: (WebClient httpGet:
'https://upload.wikimedia.org/wikipedia/commons/thumb/1/11/Squeak-x11.png/617px-Squeak-x11.png')
content asByteArray readStream.

On 3/21/19, H. Hirzel wrote:
> Thanks for answering, Marcel
>
> On 3/21/19, Marcel Taeumel wrote:
>> What about ...
>>
>> Form fromBinaryStream: (WebClient httpGet:
>> 'https://upload.wikimedia.org/wikipedia/commons/thumb/1/11/Squeak-x11.png/617px-Squeak-x11.png')
>> contentStream.
>
> Unfortunately a debugger window comes up [1]
>
>
>> ... I think we should add a #fromUrl: besides Form class >>
>> #fromFileNamed:
>> and there distinguish between file paths and HTTP urls etc:
>>
>> Form fromUrl:
>> 'https://upload.wikimedia.org/wikipedia/commons/thumb/1/11/Squeak-x11.png/617px-Squeak-x11.png'.
>
> Yes, that would be fine to create a new convenience method
>
> Form fromUrl:
>
> after we have figured out the solution.
>
> -- Hannes
>
> [1]
> SecureSocketStream(Object)>>doesNotUnderstand: #reset
> Receiver: SecureSocketStream[inbuf:4kb/outbuf:4kb]
> Arguments and temporary variables:
> aMessage: reset
> exception: MessageNotUnderstood: SecureSocketStream>>reset
> resumeValue: nil
> Receiver's instance variables:
> recentlyRead: 0
> socket: a Socket[destroyed]
> inBuffer: #[0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
> 0 0 0 0 0 0...etc...
> outBuffer: #[71 69 84 32 47 119 105 107 105 112 101 100 105 97 47
> 99 111 109 10...etc...
> inNextToWrite: 1
> outNextToWrite: 1
> lastRead: 0
> timeout: 45
> autoFlush: true
> bufferSize: 4096
> binary: true
> shouldSignal: true
> ssl: nil
> sendBuf: #[23 3 3 0 232 61 247 6 24 144 238 146 249 51 100 82 127
> 29 104 195 17...etc...
> readBuf: #[203 4 102 97 151 46 237 173 196 165 168 136 21 56 21 225
> 6 113 183 1...etc...
> decoded: a ReadStream
> certIssues: 0
>
> [] in ImageReadWriter class>>formFromStream:
> Receiver: ImageReadWriter
> Arguments and temporary variables:
>
> Receiver's instance variables:
> superclass: Object
> methodDict: a MethodDictionary(#atEnd->(ImageReadWriter>>#atEnd "a
> CompiledMethod...etc...
> format: 65537
> instanceVariables: #('stream')
> organization: ('accessing' nextImage nextPutImage:)
> ('stream access' atEnd close...etc...
> subclasses: {PCXReadWriter . XBMReadWriter . JPEGReadWriter .
> JPEGReadWriter2 ....etc...
> name: #ImageReadWriter
> classPool: a Dictionary(#ImageNotStoredSignal->nil
> #MagicNumberErrorSignal->nil...etc...
> sharedPools: nil
> environment: nil
> category: #'Graphics-Files'
>

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.squeakfoundation.org/pipermail/squeak-dev/attachments/20190322/27620ffb/attachment.html>


More information about the Squeak-dev mailing list