New in version 4.6.
A blur effect blurs the source. This effect is useful for reducing details, such as when the source loses focus and you want to draw attention to other elements. The level of detail can be modified using the
setBlurHints()to choose the blur hints.
By default, the blur radius is 5 pixels. The blur radius is specified in device coordinates.
- param parent
This enum describes the possible hints that can be used to control how blur effects are applied. The hints might not have an effect in all the paint engines.
Indicates that rendering performance is the most important factor, at the potential cost of lower quality.
Indicates that rendering quality is the most important factor, at the potential cost of lower performance.
Indicates that the blur radius is going to be animated, hinting that the implementation can keep a cache of blurred verisons of the source. Do not use this hint if the source is going to be dynamically changing.
© 2020 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners.