D27694: Don't recreate ImageDataItem texture unless needed

[David Llewellyn-Jones]

davidllewellynjones created this revision.
davidllewellynjones added reviewers: Calligra: 3.0, leinir, danders.
davidllewellynjones added a project: Calligra: 3.0.
Herald added a subscriber: Calligra-Devel-list.
davidllewellynjones requested review of this revision.

REVISION SUMMARY
  Submitting on behalf of Joona Petrell.
  
  This change improves performance by only updating the image texture if the image data changes.

REPOSITORY
  R8 Calligra

REVISION DETAIL
  https://phabricator.kde.org/D27694

AFFECTED FILES
  components/ImageDataItem.cpp

To: davidllewellynjones, #calligra:_3.0, leinir, danders
Cc: Calligra-Devel-list, davidllewellynjones, dcaliste, ognarb, cochise, vandenoever
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