Delphi-PRAXiS - User interface features: render with mask (new TCastleMask component), better slider

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User interface features: render with mask (new TCastleMask component), better slider

New component allows to define a mask (using an arbitrary UI control) and use this mask to limit rendering the children. The mask may be any UI control (or a composition of it). The colors do not matter, only which pixels are drawn by the mask. E.g. you can define a mask using An image …
<a href="https://castle-engine.io/wp/2023/03/05/user-interface-features-render-with-mask-new-tcastlemask-component-better-slider-default-look-new-option-protectedsidesscaling/" class="more-link">C