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On 3 December 2017 at 16:01, Robert Osfield <robert.osfi...@gmail.com> wrote: > Hi Anna, > > What about older versions of Windows? > > What is the harm of the #if (WINVER >= 0x8603) > > Thanks any clarification you can provide. > Robert. > > > On 1 December 2017 at 20:18, Anna Sokol <annaso...@gmail.com> wrote: >> Hi, >> >> There is no need to specify WINVER of 0x0603 in order to check for the >> SetProcessDPIAwareness function existence. >> If your current OS where the application is running is Windows 8.1 or above >> it the function will exist in the dll or if its below it wont. >> I checked the attached code with both a Windows 7 desktop (where the >> function doesn't exist) and a Windows 10 tablet (where it does and had my >> screen scaled to 150%) and in both cases the code worked as intended. >> >> Regards, >> Anna Sokol >> >> On Thu, Nov 30, 2017 at 9:17 AM, Robert Osfield <robert.osfi...@gmail.com> >> wrote: >>> >>> Thanks Bjorn, changes merged and submitted to master :-) >>> >>> On 30 November 2017 at 13:59, Björn Blissing <bjorn.bliss...@vti.se> >>> wrote: >>> > Hi, >>> > >>> > Since Windows Vista the operating system assumes all applications as >>> > DPI-unaware, unless stated otherwise. This means that if you have desktop >>> > scaling enabled (which is pretty much mandatory if you are running a high >>> > resolution screen) you will get incorrect scaling and blurry images. >>> > >>> > The solution is to declare the application as DPI-aware. This can either >>> > be done via the inclusion of a manifest file during compilation or by >>> > declaring it inside your application. By doing this you are making a >>> > promise >>> > to the operating system that you are handling the scaling instead of the >>> > OS. >>> > >>> > I have made a modification of the osgViewer::GraphicsWindowWin32 >>> > constructor to declare the application as DPI-aware per monitor. This >>> > guarantees that the operating system will never scale the application. >>> > >>> > Regretfully the required Windows library call requires Windows 8.1 or >>> > later. To be able to detect the correct windows version I had to add a >>> > CMake >>> > macro to detect and define the _WIN32_WINNT variable. >>> > >>> > During this development I also found a redundant definition inside the >>> > osgDB/FileUtils.cpp file, which I removed. >>> > >>> > The resulting commits are sent as the following pull request: >>> > https://github.com/openscenegraph/OpenSceneGraph/pull/396 >>> > >>> > Regards, >>> > Björn >>> > >>> > ------------------ >>> > Read this topic online here: >>> > http://forum.openscenegraph.org/viewtopic.php?p=72492#72492 >>> > >>> > >>> > >>> > >>> > >>> > _______________________________________________ >>> > osg-submissions mailing list >>> > osg-submissions@lists.openscenegraph.org >>> > >>> > http://lists.openscenegraph.org/listinfo.cgi/osg-submissions-openscenegraph.org >>> _______________________________________________ >>> osg-submissions mailing list >>> osg-submissions@lists.openscenegraph.org >>> >>> http://lists.openscenegraph.org/listinfo.cgi/osg-submissions-openscenegraph.org >> >> >> >> _______________________________________________ >> osg-submissions mailing list >> osg-submissions@lists.openscenegraph.org >> http://lists.openscenegraph.org/listinfo.cgi/osg-submissions-openscenegraph.org >> > _______________________________________________ > osg-submissions mailing list > osg-submissions@lists.openscenegraph.org > http://lists.openscenegraph.org/listinfo.cgi/osg-submissions-openscenegraph.org _______________________________________________ osg-submissions mailing list osg-submissions@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-submissions-openscenegraph.org