Review Request 122673: Make Svg, FrameSvg work qith QT_DEVICE_PIXELRATIO

[Marco Martin]

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https://git.reviewboard.kde.org/r/122673/
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Review request for Plasma.


Repository: plasma-framework


Description
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(still in progress but here for feedback)
when QT_DEVICE_PIXELRATIO is something different from 1, the pixmaps generated by Svg will be scaled up to give a proper texture.

This is complementary but not replacing our current approach:
the pixelratio that can be accessed by units is now in relation to the qt pixel ratio, spacings are also adjusted accordingly (therefore, spaces and sizes won't need an integer value like pixelratio)

svg introduces also a scaleFactor property (that is pretty much like its old pixelRatio)
basically, scalefactor, will scale both the textures *and* all the reported sizes, (old method) pixelratio just scales textures without altering measures (like qt pixelratio likes)
they are now both used and combined, so a) we can have this working before supporting officially qt pixelratio when will be good enough but b) keeping the old mwthod working for the time being c) by using both at the sae time we can at least scale sizes of values != from integers, for screens that are too dense for 1 and not enough for 2


Diffs
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  src/declarativeimports/core/framesvgitem.cpp dae8a4f 
  src/declarativeimports/core/svgitem.cpp 570c1c3 
  src/declarativeimports/core/units.h 6c038ba 
  src/declarativeimports/core/units.cpp a740145 
  src/plasma/private/svg_p.h a31d0ac 
  src/plasma/svg.h 0bcbd7a 
  src/plasma/svg.cpp 0a0db5e 

Diff: https://git.reviewboard.kde.org/r/122673/diff/


Testing
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Thanks,

Marco Martin

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