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  1. Qt
  2. QTBUG-42853

QtQuick Text item implementation is inefficient

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Details

    • Bug
    • Resolution: Done
    • P3: Somewhat important
    • None
    • 5.4.0 Beta, 5.5.0
    • Quick: Other
    • None

    Description

      Each update of the text in a Text item triggers the replacement of scene graph nodes, which in turn can trigger the batching algorithm to examine a large number of nodes in the next frame. At least for simple changes, like incrementing a number, this should not be necessary.

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          relates to

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-37365 After BusyIndicator property running is set to true, there is long delay before it can be seen.

          • P3: Somewhat important - Should be fixed, but doesn't affect the release in any way.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-43012 Update to Text elements causes slow down in QtQuick UI

          • P3: Somewhat important - Should be fixed, but doesn't affect the release in any way.
          • Closed
          For Gerrit Dashboard: QTBUG-42853
          # Subject Branch Project Status CR V
          106856,3 Allow QDistanceField to be directly constructed from a QPainterPath. 5.5 qt/qtbase Status: MERGED +2 0
          106857,4 Optimize distance field construction. 5.5 qt/qtdeclarative Status: MERGED +2 0

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              sletta Gunnar Sletta
              ulherman Ulf Hermann
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              27 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved:

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