• Dmitry Kazakov's avatar
    Limit Gaussian Blur filter radius to 100px when used as a mask · 0d6b2a86
    Dmitry Kazakov authored
    When used as a mask, Krita should recalculate additional
    need/changeRect of the processed area of size:
    actualSize + 4 * radius, which is too much of work.
    
    In older version of Krita the test file loaded fine, because
    colorize mask did update itself on loading and didn't provoke
    full mask update. If you provoke full gaussian mask update
    manually, you'll get the same 12-minutes recalculation process
    (and it cannot run in threads, because access rects intersect
    heavily).
    
    The patch does the following:
    
    1) When loading filter masks and filter layers: forcefully
       (and silently) limit gaussian blur size to 100 px.
    
    2) When creating filter masks and filter layers, limit radius
       slider to 100 px.
    
    3) When changing properties of Gaussian Blur mask, limit the
       radius slider to 100 px.
    
    4) When applying Gaussian Blur filter directly, allow the user
       to select radius in full range: 0...1000 px
    
    BUG:407062
    0d6b2a86
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