Clippers need to use the same SVGImageBufferTools logic, to avoid pixelation.
Created attachment 64935 [details] Patch
Created attachment 64936 [details] Patch v2
Created attachment 64937 [details] Patch v3 New patch, after IRC discussion with Dirk.
Comment on attachment 64937 [details] Patch v3 LGTM. r=me.
Landed in r65729.