Please let us know when the demo-next version is available so we try it out as you suggested. Thanks Maxim!
Dan On Tue, Feb 26, 2019 at 7:44 AM Maxim Solodovnik <solomax...@gmail.com> wrote: > @All, > > we need to agree on proper solution for this issue :) > > On Mon, 25 Feb 2019 at 21:05, Maxim Solodovnik <solomax...@gmail.com> > wrote: > >> Hello All, >> >> Here are some details >> >> by default Tomcat has limitation of 2Mb for post data [1] (maxPostSize) >> You can change this in OM 4.0.x by changing conf/jee-container.xml >> You need to add >> <property name="connectorProperties"> >> <map> >> <entry key="maxPostSize" >> value="40000000"/> >> </map> >> </property> >> to '<bean name="httpConnector" .........>' >> >> This should fix Huge PDF download >> >> >> According to PNG download: it can be done "by click" BUT >> It will only 100% work if it will be dobe "via server" i.e. >> 1) image will be prepared in client's browser >> 2) uploaded to server >> 3) then immediately downloaded >> This "server round trip" might be very expensive >> >> You can see how proposed pop-up dialog will look like [2] >> I can update demo-next with working prototype so you can try it :) >> >> >> [1] https://tomcat.apache.org/tomcat-9.0-doc/config/http.html >> [2] https://www.dropbox.com/s/r3pbftfvbp1fdj7/DownloadAsPng.png?dl=0 >> >> >> On Fri, 22 Feb 2019 at 01:46, Daniel Ascher <aplusad...@aplustutoring.com> >> wrote: >> >>> Okay. Thanks for letting me know. Dan >>> >>> On Thu, Feb 21, 2019 at 11:12 AM Maxim Solodovnik <solomax...@gmail.com> >>> wrote: >>> >>>> The quality will not suffer >>>> The image might be huge, but will be displayed as preview to consume >>>> reasonable area on the screen >>>> >>>> The reason to display this dialog is: somehow "just save" is silently >>>> fail in browser ..... >>>> >>>> On Thu, Feb 21, 2019, 22:58 Daniel Ascher <aplusad...@aplustutoring.com> >>>> wrote: >>>> >>>>> I think this means that the PNG will be a relatively lower quality >>>>> image than the PDF version. Is that correct? >>>>> >>>>> Also, is it possible to have a "Save" or "Download" button on the >>>>> preview box, rather than telling the user to right-click? >>>>> >>>>> Thanks. Dan >>>>> >>>>> On Thu, Feb 21, 2019 at 9:07 AM Maxim Solodovnik <solomax...@gmail.com> >>>>> wrote: >>>>> >>>>>> Thanks :)) >>>>>> >>>>>> Prepared image will have constant size something like 320x240, sort >>>>>> of preview :) >>>>>> >>>>>> On Thu, Feb 21, 2019, 20:00 Peter Dähn <da...@vcrp.de> wrote: >>>>>> >>>>>>> ok.. now I got it... sorry for that... >>>>>>> >>>>>>> The prepared scaled image has the dimension of the current client >>>>>>> view or the wb area? >>>>>>> >>>>>>> PS: much fun on your trip... >>>>>>> >>>>>>> Am 21.02.19 um 13:12 schrieb Maxim Solodovnik: >>>>>>> >>>>>>> Hello All, >>>>>>> >>>>>>> Am currently ooo (doing mountain skiing :) >>>>>>> Will try to answer in one email >>>>>>> >>>>>>> 1 save as pdf works, but for huge pdfs it requires jee*.xml tuning >>>>>>> >>>>>>> 2 right-click "save as" will not work on white-board. >>>>>>> As i wrote in initial email: >>>>>>> >>>>>>> when "Download as PNG" is clicked >>>>>>> 1) image is being prepared on the client >>>>>>> 2) small dialog with scaled image and text 'Please right click the >>>>>>> image and choose "Save as"' is displayed to the user >>>>>>> >>>>>>> >>>>>>> This is not yet implemented :) >>>>>>> >>>>>>> On Thu, Feb 21, 2019, 18:48 Peter Dähn <da...@vcrp.de> wrote: >>>>>>> >>>>>>>> "Save as" of smaller pics on wb also ends up with those empty pics. >>>>>>>> But right after draw on it, wb with pic will be saved (doesn't help >>>>>>>> with >>>>>>>> large pics). >>>>>>>> >>>>>>>> The download in the Files-tab works so far. >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> But both JPG and original saves a .jpg-file!? >>>>>>>> >>>>>>>> Greetings Peter >>>>>>>> >>>>>>>> Am 21.02.19 um 09:19 schrieb Peter Dähn: >>>>>>>> >>>>>>>> and save as ends up in an empty png... this doesn't work as fix... >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> Am 21.02.19 um 08:35 schrieb Peter Dähn: >>>>>>>> >>>>>>>> Hi there, >>>>>>>> >>>>>>>> Download as pdf doesn't work either... >>>>>>>> >>>>>>>> This one causes an error... >>>>>>>> >>>>>>>> ERROR 02-21 08:28:08.199 o.a.o.w.r.w.AbstractWbPanel:70 >>>>>>>> [0.0-5443-exec-8] - Unexpected error while processing wbAction >>>>>>>> java.lang.NullPointerException: Name is null >>>>>>>> at java.base/java.lang.Enum.valueOf(Enum.java:238) >>>>>>>> at >>>>>>>> org.apache.openmeetings.web.room.wb.WbAction.valueOf(WbAction.java:21) >>>>>>>> at >>>>>>>> org.apache.openmeetings.web.room.wb.AbstractWbPanel$1.respond(AbstractWbPanel.java:65) >>>>>>>> at >>>>>>>> org.apache.wicket.ajax.AbstractDefaultAjaxBehavior.onRequest(AbstractDefaultAjaxBehavior.java:598) >>>>>>>> at >>>>>>>> org.apache.wicket.core.request.handler.ListenerRequestHandler.internalInvoke(ListenerRequestHandler.java:306) >>>>>>>> at >>>>>>>> org.apache.wicket.core.request.handler.ListenerRequestHandler.invoke(ListenerRequestHandler.java:280) >>>>>>>> at >>>>>>>> org.apache.wicket.core.request.handler.ListenerRequestHandler.invokeListener(ListenerRequestHandler.java:222) >>>>>>>> at >>>>>>>> org.apache.wicket.core.request.handler.ListenerRequestHandler.respond(ListenerRequestHandler.java:208) >>>>>>>> at >>>>>>>> org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:914) >>>>>>>> at >>>>>>>> org.apache.wicket.request.RequestHandlerExecutor.execute(RequestHandlerExecutor.java:65) >>>>>>>> at >>>>>>>> org.apache.wicket.request.cycle.RequestCycle.execute(RequestCycle.java:282) >>>>>>>> at >>>>>>>> org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:253) >>>>>>>> at >>>>>>>> org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:221) >>>>>>>> at >>>>>>>> org.apache.wicket.protocol.ws.AbstractUpgradeFilter.processRequestCycle(AbstractUpgradeFilter.java:70) >>>>>>>> at >>>>>>>> org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:206) >>>>>>>> at >>>>>>>> org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:299) >>>>>>>> at >>>>>>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) >>>>>>>> at >>>>>>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) >>>>>>>> at >>>>>>>> org.red5.logging.LoggerContextFilter.doFilter(LoggerContextFilter.java:84) >>>>>>>> at >>>>>>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) >>>>>>>> at >>>>>>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) >>>>>>>> at >>>>>>>> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:200) >>>>>>>> at >>>>>>>> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) >>>>>>>> at >>>>>>>> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:607) >>>>>>>> at >>>>>>>> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139) >>>>>>>> at >>>>>>>> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) >>>>>>>> at >>>>>>>> org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:668) >>>>>>>> at >>>>>>>> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74) >>>>>>>> at >>>>>>>> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343) >>>>>>>> at >>>>>>>> org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408) >>>>>>>> at >>>>>>>> org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) >>>>>>>> at >>>>>>>> org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:834) >>>>>>>> at >>>>>>>> org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1415) >>>>>>>> at >>>>>>>> org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) >>>>>>>> at >>>>>>>> java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) >>>>>>>> at >>>>>>>> java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) >>>>>>>> at >>>>>>>> org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) >>>>>>>> at java.base/java.lang.Thread.run(Thread.java:834) >>>>>>>> >>>>>>>> >>>>>>>> In general I think simply point to the "Save as" dialog isn't very >>>>>>>> handy. >>>>>>>> >>>>>>>> Greetings Peter >>>>>>>> >>>>>>>> Am 21.02.19 um 06:24 schrieb Stefan Kühl: >>>>>>>> >>>>>>>> Morning ;-) >>>>>>>> >>>>>>>> Great, that should work fine. >>>>>>>> >>>>>>>> Greetz >>>>>>>> >>>>>>>> Stefan >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> Am 21.02.2019 05:31, schrieb Maxim Solodovnik: >>>>>>>> >>>>>>>> Hello All, >>>>>>>> >>>>>>>> Recently Daniel Asher find out download whiteboard as png is not >>>>>>>> working for huge white board >>>>>>>> (10MB is huge :)) [1 >>>>>>>> <https://issues.apache.org/jira/browse/OPENMEETINGS-2018>] >>>>>>>> >>>>>>>> This seems to be sort of browser limitation, there is no error or >>>>>>>> whatever, download just silently fail for big white boards >>>>>>>> >>>>>>>> What I propose is to change the behavior of 'Download as PNG' as >>>>>>>> follows: >>>>>>>> when "Download as PNG" is clicked >>>>>>>> 1) image is being prepared on the client >>>>>>>> 2) small dialog with scaled image and text 'Please right click the >>>>>>>> image and choose "Save as"' is displayed to the user >>>>>>>> >>>>>>>> WDYT? >>>>>>>> >>>>>>>> [1] https://issues.apache.org/jira/browse/OPENMEETINGS-2018 >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>> >>>>> >>>>> -- >>>>> Daniel Ascher, M.Ed. >>>>> President >>>>> A+ Test Prep and Tutoring >>>>> "Creating Bright Futures" >>>>> >>>>> 505 York Road, Suite 6 >>>>> Jenkintown, PA 19046 >>>>> Office: 215.886.9188 >>>>> Direct: 267.242.9640 >>>>> Click here to schedule a phone call with me. >>>>> <https://www.aplustutoring.com/meetings/aplusadmin/phone-call> >>>>> Sign Up for A+ News and Test Prep Tips! >>>>> <https://www.aplustutoring.com/educational-blog-articles-subscription> >>>>> <http://aplustutoring.com> >>>>> >>>> >>> >>> -- >>> Daniel Ascher, M.Ed. >>> President >>> A+ Test Prep and Tutoring >>> "Creating Bright Futures" >>> >>> 505 York Road, Suite 6 >>> Jenkintown, PA 19046 >>> Office: 215.886.9188 >>> Direct: 267.242.9640 >>> Click here to schedule a phone call with me. >>> <https://www.aplustutoring.com/meetings/aplusadmin/phone-call> >>> Sign Up for A+ News and Test Prep Tips! >>> <https://www.aplustutoring.com/educational-blog-articles-subscription> >>> <http://aplustutoring.com> >>> >> >> >> -- >> WBR >> Maxim aka solomax >> > > > -- > WBR > Maxim aka solomax > -- Daniel Ascher, M.Ed. President A+ Test Prep and Tutoring "Creating Bright Futures" 505 York Road, Suite 6 Jenkintown, PA 19046 Office: 215.886.9188 Direct: 267.242.9640 Click here to schedule a phone call with me. <https://www.aplustutoring.com/meetings/aplusadmin/phone-call> Sign Up for A+ News and Test Prep Tips! <https://www.aplustutoring.com/educational-blog-articles-subscription> <http://aplustutoring.com>
