Offray, I tried it myself and found that the code works on some jpg pics and does not work on some other pics. For my case, using PluginBasedJPEGReadWriter instead of JPEGReadWriter solved the problem.
Best Regards, --- tomo 2020年8月5日(水) 2:43 Offray Vladimir Luna Cárdenas <offray.l...@mutabit.com>: > > Thanks Tomo, > > I tried your proposal, but now I get: "Error: marker C2 cannot be > handled" and still the exportation is not working. > > Cheers, > > Offray > > On 4/08/20 2:04 a. m., Tomohiro Oda wrote: > > Offray, > > > > Apparently, readStreamDo: should be binaryReadStreamDo: and > > writeStreamDo: should be binaryWriteStreamDo: . > > --- > > tomo > > > > 2020年8月4日(火) 15:42 Stéphane Ducasse <stephane.duca...@inria.fr>: > >> Thanks for the report I confirm that I can reproduce the problem. > >> I do not know yet the answer. Now I think strange that we use a > >> characterStream for reading jpeg. > >> S. > >> > >> > >> On 3 Aug 2020, at 20:41, Offray Vladimir Luna Cárdenas > >> <offray.l...@mutabit.com> wrote: > >> > >> Hi, > >> > >> Today I was an introduction to Pharo. As usual, I asked the learner to > >> taste the environment and syntax by running the examples in excellent > >> Sven's Elegant Code[1] (BTW, can I translate snips of it to Spanish?). > >> When she was adapting the example 6 about converting JPGs to PNGs, we > >> get the error reported in this mail's subject. I tried running her > >> example in my machine with her images and with my own and still I got > >> the same error. What are we missing? > >> > >> [1] https://medium.com/concerning-pharo/elegant-pharo-code-bb590f0856d0 > >> > >> We are using Pharo 8.x on Manjaro Gnu/Linux 64 bits. > >> > >> Thanks, > >> > >> Offray > >> > >> > >> > >> > >> -------------------------------------------- > >> Stéphane Ducasse > >> http://stephane.ducasse.free.fr / http://www.pharo.org > >> 03 59 35 87 52 > >> Assistant: Aurore Dalle > >> FAX 03 59 57 78 50 > >> TEL 03 59 35 86 16 > >> S. Ducasse - Inria > >> 40, avenue Halley, > >> Parc Scientifique de la Haute Borne, Bât.A, Park Plaza > >> Villeneuve d'Ascq 59650 > >> France > >> >
