On Friday, 27 September 2019 at 22:55:22 UTC, Murilo wrote:

Ahhh, that clears everything up. I will then leave the program without the transparency and wait until you get around to implement the fixes to it, I am not a developer, I am a scientist, I only use libraries, I don't know how to make them properly.

You might consider using SDL and SDL_image:


D bindings for both are available here:


You don't actually *need* SDL_image, as core SDL can load images in the BITMAP format, and you can then use the API to create transparency from a specific color. But if you want to load PNG files with alpha, you'll want SDL_image.

There are numerous tutorials online for SDL, though if you're searching, make sure to look for SDL 2 tutorials and ignore anything for SDL 1.x.

The tutorials will all be in either C or C++, but the SDL API using the D bindings is the same. The Lazy Foo tutorials are often recommended:


But again, these are C++, so you have to consider the differences in D and C++ when porting the code over. For example, he uses class destructors to free resources. Do that in D and you'll run into trouble. So just ignore how he structures his programs and focus on the main concepts of using SDL: how to acquire/release resources, how to render, etc. You can adapt that to any architecture you want. There's no need for classes at all, for example.

Some tutorials out there will show you how to use SDL with OpenGL. Please ignore those. SDL's 2D Rendering API is what you want when you're learning, so focus on tutorials tat show you how to use it.

The SDL Wiki has API documentation:


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