https://felgo.com/doc/qt/qml-qtquick-shapes-radialgradient/
RadialGradient QML Type | Qt Quick | Qt Documentation (Pro)
qt quickradialgradientqmltypedocumentation
https://www.fmwconcepts.com/imagemagick/radialgradient/index.php
Fred's ImageMagick Scripts: RADIALGRADIENT
Fred's ImageMagick Scripts - radialgradient - create a radial gradient image.
fredimagemagickscriptsradialgradient
https://swdevnotes.com/swift/2023/radialgradient-in-swiftui/
RadialGradient in SwiftUI | Software Development Notes
How to use RadialGradient in SwiftUI
software developmentradialgradientswiftuinotes
https://api.flutter.dev/flutter/painting/RadialGradient-class.html
RadialGradient class - painting library - Dart API
API docs for the RadialGradient class from the painting library, for the Dart programming language.
radialgradientclasspaintinglibrarydart
https://www.leaferjs.com/ui/reference/UI/paint/radial.html
RadialGradient 对象 | LeaferJS
radialgradientleaferjs