I also needed this one. Thx for sharing ! 2011/9/18 AgitoM <[email protected]>
> Hi All, > > Thank you so much for the many replies. > Tried out the solution and library suggested by Xi just now, since his > solution was the easiest to verify. > It works. > > After having downloaded this library: > http://sourceforge.net/projects/migbase64/ > > I convert the byte string like this: > String base64String = "data:image/png;base64," + > Base64.encodeToString(image,false); > > Then simply use it at the client side like this: > Image image = new Image(base64String); > > The image now displays. I think the base64 library I initially used > was not browser safe as Jens and Thad suggested. > Would have build a servlet as Jens suggested if it had not worked. > > As for your question Alexandre, I don't know why the service developer > suggested I could not use base64. > Could have been inexperience on his behalf :-). Clearly base64 does > work. > > On Sep 17, 12:02 am, Xi <[email protected]> wrote: > > Hi, > > > > I've usedhttp://sourceforge.net/projects/migbase64/in my > > application, to convert the byte array to a base64 string, which works > > pretty well and efficient > > My code is like : String base64 = "data:image/png;base64," + > > Base64.encodeToString(bytes,false); > > And at the client side, you just set the value into an image > > element's "src" attribute. > > > > But be careful, IE CAN NOT take charge of an image that bigger > > than 32KB by using the "Base64" way. > > > > Hope this can help you. > > > > On 16 sep, 12:54, AgitoM <[email protected]> wrote: > > > > > Hi all, > > > > > From a web service I am receiving a byte array that represents a > > > image. > > > I need to somehow squeeze this byte array into a image widget or > > > similar widget on my client side. > > > > > First I tried to convert the byte array to a base64 string: > > > String base64 = Base64Utils.toBase64(image); > > > base64 = "data:image/png;base64,"+base64; > > > > > This didn't work. The developer of the web service informed me that I > > > should not convert the byte array to a base64 string, and just use it > > > directly. > > > > > To test if the byte array represented a correct image, I saved the > > > byte array to a physical image: > > > InputStream in = new ByteArrayInputStream(image); > > > BufferedImage bImage = ImageIO.read(in); > > > > > File outputfile = new File("saved.png"); > > > ImageIO.write(bImage, "png", outputfile); > > > > > This succesfully resulted in a physical image being created. > > > > > However I don't want to write the file and then send the URL to the > > > image widget on my client side. > > > > > Anybody have any suggestion about how I can get this byte array > > > squeezed into a image? > > > Or convert this byte array to a base64 string that does work? > > -- > You received this message because you are subscribed to the Google Groups > "Google Web Toolkit" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/google-web-toolkit?hl=en. > > -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
