Canvas_ity: A tiny, single-header <canvas>-like 2D rasterizer for C++

5 comments

• nicoburns 3 hours ago
  The list of "recommended reading" from one of the issues looks great:

  https://github.com/a-e-k/canvas_ity/issues/11#issuecomment-2...
• msephton 1 hour ago
  The project is great. The HN comments are embarrassing. Isn’t it ironic to imply laziness by chiming in with “vibe coded” which in itself is such a lazy reaction.
• ddtaylor 1 hour ago
  Thank you for sharing. The only thing I don't understand why this is a header only implementation with a macro that goes in a C++ file.

      #define CANVAS_ITY_IMPLEMENTATION

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  • erwincoumans 26 minutes ago
    It is common for header-only libraries: you need to include this header in one c++ using the macro for linking (don't use that macro in other c++ files to avoid duplicate symbols). In C++, you can declare a function as many times as you want, but you can only define it (write the actual body) once in the entire project.
  • socalgal2 1 hour ago
    that's a common pattern in C++ land because there is no standard way to use libraries in C++

    https://github.com/p-ranav/awesome-hpp
• Lerc 2 hours ago
  It would be interesting to compile to WASM to compare side by side for performance and accuracy.
• ranger_danger 3 hours ago
  vibe-coded?
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  • nicoburns 3 hours ago
    Most likely not seeing as the commit containing the bulk of the implementation dropped in 2022.
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    • ranger_danger 3 hours ago
      maybe just the README then
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      • flowerbreeze 3 hours ago
        The README is older than ChatGPT too. It's very unlikely that it's vibe coded or vibe written.
  • peter-m80 2 hours ago
    Would that be an issue?
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    • Amlal 2 hours ago
      Yes, it's a canvas library, there's a lot of risks of including AI generated code that hasn't been checked in a rasterizing library.
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      • ivanjermakov 2 hours ago
        A lot of risks compared to what? I imagine bugs in kernel drivers or disk utilities be riskier.
      • JoeyJoJoJr 1 hour ago
        Such as?
    • 1bpp 2 hours ago
      Yes.