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> >
