Detailed Description

Strictly speaking, it's not an actual gaussian blur but a faster implementation of it.

GaussianBlur calculates best downscale parameter applicable for passed radius.

Downscale factor allows to produce approximately same visual result at drastically lower cost. You can use GaussianBlurCustom directly to specify your downscale factor.

Examples: examples/ui/backdrop/src/main.cpp, and examples/ui/views/src/ExampleWindow.cpp.

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