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Window Opacity

Discover how to use SDL2 functions for controlling and retrieving window transparency settings.

Ryan McCombe
Updated
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Questions & Answers

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Use Cases for Transparent Windows
What are some common use cases for transparent windows?
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Why Some Platforms Lack Opacity
Why do some platforms not support window opacity?
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Animating Window Opacity
Can I animate opacity changes to create fade effects?
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Checking Opacity Support
How do I check if a platform supports opacity before using SDL_SetWindowOpacity()?
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Partial Transparency in Windows
How do I make part of a window transparent but not the whole window?
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Why Use SDL_GetWindowFromID()?
Why should I use SDL_GetWindowFromID() instead of passing the SDL_Window*?
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Opacity and Fullscreen Windows
How does opacity interact with fullscreen windows?
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