61 lines
1.5 KiB
Rust
61 lines
1.5 KiB
Rust
//! One of the goals of the bot is to never save user-images to disk (for
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//! performance and safety reasons), opting to perform operations in-memory
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//! instead.
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//!
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//! While great in practice, this makes debugging much harder. This module
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//! allows for a convenient way to throw images into a `logs` directory with
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//! a simple env var.
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use std::{env, ops::Deref, path::PathBuf, sync::OnceLock, time::Instant};
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use image::{DynamicImage, EncodableLayout, ImageBuffer, PixelWithColorType};
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use crate::context::paths::get_env_dir_path;
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#[inline]
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fn should_save_debug_images() -> bool {
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env::var("SHIMMERING_DEBUG_IMGS")
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.map(|s| s == "1")
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.unwrap_or(false)
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}
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#[inline]
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fn get_log_dir() -> PathBuf {
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get_env_dir_path("SHIMMERING_LOG_DIR", Some("LOGS_DIRECTORY")).unwrap()
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}
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#[inline]
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fn get_startup_time() -> Instant {
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static CELL: OnceLock<Instant> = OnceLock::new();
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*CELL.get_or_init(|| Instant::now())
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}
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#[inline]
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pub fn debug_image_log(image: &DynamicImage) {
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if should_save_debug_images() {
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image
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.save(get_log_dir().join(format!(
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"{:0>15}.png",
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get_startup_time().elapsed().as_nanos()
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)))
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.unwrap();
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}
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}
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#[inline]
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pub fn debug_image_buffer_log<P, C>(image: &ImageBuffer<P, C>)
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where
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P: PixelWithColorType,
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[P::Subpixel]: EncodableLayout,
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C: Deref<Target = [P::Subpixel]>,
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{
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if should_save_debug_images() {
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image
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.save(get_log_dir().join(format!(
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"{:0>15}.png",
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get_startup_time().elapsed().as_nanos()
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)))
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.unwrap();
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}
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}
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