Hi Didier, It is PNG. You can change any other PNG images to test.
GAE can NOT handle transparent when convert PNG to JPEG. Regards, On Jul 18, 6:34 pm, Didier Durand <durand.did...@gmail.com> wrote: > Hi, > > did you check oldImage.getFormat() to make sure that the initial PNG > format is properly detected ? > > regards > > didier > > On Jul 18, 7:39 am, Zhenyu Wang <wingzer...@gmail.com> wrote: > > > > > > > > > String iUrl = > > "http://upload.wikimedia.org/wikipedia/commons/5/5c/Torchlight_help.png";; > > URLFetchService fetchService = URLFetchServiceFactory.getURLFetchService(); > > HTTPResponse fetchResponse = fetchService.fetch(new URL(iUrl)); > > > byte[] oldImageData = fetchResponse.getContent(); > > Image oldImage = ImagesServiceFactory.makeImage(oldImageData); > > > ImagesService imagesService = ImagesServiceFactory.getImagesService(); > > Transform resize = ImagesServiceFactory.makeRotate(0); > > OutputSettings os = new OutputSettings(ImagesService.OutputEncoding.JPEG); > > Image newImage = imagesService.applyTransform(resize, oldImage, os); > > byte[] newImageData = newImage.getImageData(); > > > res.setContentType("image/jpeg"); > > res.getOutputStream().write(newImageData); -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to google-appengine-java@googlegroups.com. To unsubscribe from this group, send email to google-appengine-java+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
![http://upload.wikimedia.org/wikipedia/commons/5/5c/Torchlight_help.png"](http://upload.wikimedia.org/wikipedia/commons/5/5c/Torchlight_help.png"){kind=link}