Scaling SVG in Inkscapes is known to be problematic. Are you sure that this applies to Qt SVG scaling too?
giovanni 2012/7/31 Robert Szczepanek <rob...@szczepanek.pl> > Hi Andreas, > > I made fast SVG downscaling test. Rendered with Inkscape. > Second column is shifted vertically by 0,5px. > As you can see main problem is "travelling blur" effect. Perhaps there are > some smart renderers to overcome this. > > I would also like to have just one SVG file... > Robert > > > On 31.07.2012 10:30, Andreas Neumann wrote: > >> Hi Robert, >> >> Thanks for the reply. >> >> Do you have a side-by-side comparison of SVG vs. png and the rendering >> quality somewhere? I wonder if this is still an issue and if it is - how >> much of a problem it really is. >> >> Having just one icon size instead of n different sizes also has a lot of >> advantages. Think about all the new high-dpi devices. These would >> benefit a lot from SVG instead of PNG. >> >> Andreas >> >> On Tue, 31 Jul 2012 00:53:40 +0200, Robert Szczepanek wrote: >> >>> Hi Andreas, >>> >>> On 29.07.2012 12:22, Andreas Neumann wrote: >>> >>>> Regarding the discussion around the icons? >>>> >>>> How about using SVG icons instead of fixed size png icons? That way one >>>> could easily scale the icon sizes on different devices to the preferred >>>> scale and taste of the user. >>>> >>> >>> From my test and literature I found that simple vector scaling for >>> small size icons (16x16 - 24-24) is not recommended. For higher images >>> blur effect is not so visible and important. >>> >>> Are there any technical reasons for using PNGs instead of SVGs? I >>>> believe the source of the icons is SVG anyway? >>>> >>>> For my own in house python plugins I always use the SVG icons. >>>> >>> >>> The main technical reason was image quality. We decided to use >>> already rendered images in "native resolution". I know it sounds >>> stupid in Scalable Vector ... context, but that's the reality. >>> Whole version 0.1 of GIS icons was designed in just one SVG file. In >>> version 0.2 I save them in separate files. So most of the icons is at >>> the moment available as one file per icon. >>> >>> regards, >>> Robert >>> >>> Andreas >>>> ______________________________**_________________ >>>> Qgis-developer mailing list >>>> Qgis-developer@lists.osgeo.org >>>> http://lists.osgeo.org/**mailman/listinfo/qgis-**developer<http://lists.osgeo.org/mailman/listinfo/qgis-developer> >>>> >>>> >> > > _______________________________________________ > Qgis-developer mailing list > Qgis-developer@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/qgis-developer > >
_______________________________________________ Qgis-developer mailing list Qgis-developer@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-developer
