D19432: [text thumbnailer] Use KSyntaxHighlighting for text rendering

[Friedrich W. H. Kossebau]

kossebau added inline comments.

INLINE COMMENTS

> cfeck wrote in textcreator.cpp:169
> KSyntaxHighlighting::Theme also provides a background color. Can that be used instead of the hardcoded 245? I cannot remember reason why I disabled (or never enabled) the QPalette code; I suggest to remove it.

Good idea. Hm, `highlightingTheme.backgroundColor(KSyntaxHighlighting::Theme::Normal)` returns black for me, and there is a comment for `Theme::backgroundColor(TextStyle) const` saying
"0 is returned for styles that do not specify a background color, use the default background color in that case. "
No clue yet what is meant by "default background color". Not sure I want to use the `Theme::editorColor(EditorColorRole role) const` with `BackgroundColor`?

REPOSITORY
  R320 KIO Extras

REVISION DETAIL
  https://phabricator.kde.org/D19432

To: kossebau, broulik
Cc: cfeck, kde-frameworks-devel, kfm-devel, alexde, feverfew, michaelh, spoorun, navarromorales, firef, ngraham, andrebarros, bruns, emmanuelp, mikesomov
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