> On 2 Nov 2015, at 08:35, Manfred Pock <[email protected]> wrote: > > Hi, > > we render a image with the pdfbox-renderer: > > for example > renderImageWithDPI(Pi_pageIdx, 250, ImageType.RGB); > > 250dpi, is a good value beetween performance and rendering quality
That’s a pretty high DPI, I’d expect PDFBox to take a while to render that. Is there any way you can reduce the DPI? > and we show the bufferedimage in java (we also cache the image that we don't > need to rerender it always) PDFBox isn’t really fast enough for real-time rendering, such as a PDF viewer in AWT / Swing. — John > what i know is that the usual way in pdfbox, or will there be a better way? > > BR, Manfred > > Am 02.11.2015 um 17:27 schrieb Maruan Sahyoun: >> Hi, >> >>> Am 02.11.2015 um 17:20 schrieb Manfred Pock <[email protected]>: >>> >>> Windows 7 pro, jdk 8, intel core i5, 8Gb Ram. >>> >>> Java-Parameter: >>> -XX:MaxHeapFreeRatio=40 -XX:MinHeapFreeRatio=30 -XX:+UseParNewGC >>> -XX:+UseConcMarkSweepGC -Xmx512m -Xms192m >>> >>> Log-message, no there are no new log message. >> btw - how do you do the rendering? Would you have a code snippet? >> >> BR >> Maruan >> >> >>> BR, Manfred >>> >>> Am 02.11.2015 um 17:12 schrieb Maruan Sahyoun: >>>> Hello Manfred, >>>> >>>>> Am 02.11.2015 um 17:09 schrieb Manfred Pock <[email protected]>: >>>>> >>>>> Hello! >>>>> >>>>> Currently we you use a version from pdfbox to render pdf's from the trunk >>>>> at date 2015-03-09. Not really fast, but it will be ok. >>>>> >>>>> From time to time i try the current trunk version to check any >>>>> improvements on the performance side, but no enhancement, it seems the >>>>> rendering process is getting slower and slower. >>>>> >>>>> For example the pdf at http://cloud.directupload.net/N4t needs on the >>>>> may-version about 5 sec to render der first page, the current version >>>>> needs at least 10 sec. >>>> thanks for the pointer - do you get any (new) log messages while >>>> rendering? Which platform are you using? >>>> >>>> BR >>>> Maruan >>>> >>>>> I have tried it it with different memory settings, no really different. >>>>> It will be great if you can to some improvements on the rendering >>>>> performance before 2.0 final version will release. >>>>> >>>>> best regarts, Manfred >>>>> >>>>> --------------------------------------------------------------------- >>>>> To unsubscribe, e-mail: [email protected] >>>>> For additional commands, e-mail: [email protected] >>>>> >>>> --------------------------------------------------------------------- >>>> To unsubscribe, e-mail: [email protected] >>>> For additional commands, e-mail: [email protected] >>>> >>> >>> --------------------------------------------------------------------- >>> To unsubscribe, e-mail: [email protected] >>> For additional commands, e-mail: [email protected] >>> >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: [email protected] >> For additional commands, e-mail: [email protected] >> > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
