Hello, I’m struggling to load and image (png) in my program I wonder if I have to tweak my build.zig or everything should be okay out from Main.zig… I declared two variables:
var background_image: rl.Image = undefined;
var background_texture: rl.Texture2D = undefined;
then I load the image and the texture from it (it’s my understanding of the process:
I also test the Texture: std.debug.print("c = {any}\n", .{rl.IsTextureReady(background_texture)}); which gives me a “false”…
my png file is in my src folder along side main.zig, what’s funny if I made an error in the name of the file :“background_image= rl.LoadImage(“backkground-1_0.jpg”);” the compiler didn’t scream it’s like this line of code does nothing and is totalley neutral. I’ve read somewhere that you can load ressources through build.zig https://ziggit.dev/t/how-can-i-package-some-images-into-an-executable-program/3504/4 the using @EmbedFile but this look overcomplicated… and may be it doesn’t apply here? (but I’m working without specific zig bindings to the raylib library)
Thank for any hints
This would only work, if you run you run your program from your src folder, such that the current working directory of the executable would be the src folder, which is most likely not the case.
If you are using build.zig, I think the usual solution would be to install your image to the output directory alongside with your executable, or in a separate assets folder for example.
Also depending on your build.zig, the current working directory of zig build run is either some directory in the .zig-cache, or in zig-out. Have a look at the description that is in build.zig, when you initialize with zig init.
To restate, your string literal has to correspond to a path, that is reachable from the current working directory of either the Run step, when using zig build run or, if you launch your executable manually, it has to be reachable from the directory, where you launch your executable from.
Yes, the compiler does not check if your string literal corresponds to a file on disk, I don’t think this is surprising behavior.
Edit:
Oh, one more thing, you mentioned, that you want to load a png file, but your file extension is jpg, also make sure, that you got the correct file, just in case.
that works, thank you very much, I manage to have an image when I run the executable (indeed in zig-out) from a powershell prompt (I’m on Windows) for example but what surprise me it doesn’t load when run with zig build run in VS CODE terminal… this complicates things as I cannot see the result in VS CODE (I need to read a little bit more about zig builds it seems to be a programing languages in itself:-) )
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Yes, the compiler does not check if your string literal corresponds to a file on disk, I don’t think this is surprising behavior.
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sorry for the compiler stuff I mean at runtime no check.