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Embed SVG assets and rasterise with resvg
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The packaged binary panicked on startup ("svg load: Unrecognized image file
format"): asset SVGs were referenced by their build-time CARGO_MANIFEST_DIR
path (absent on an installed system, so read_to_string returned empty bytes),
and gdk::Texture::from_bytes can no longer decode SVG since librsvg dropped its
gdk-pixbuf loader.

- include_str! the SVGs into the binary (no runtime asset files)
- rasterise via resvg/tiny-skia into a gdk::MemoryTexture (no system loader)
This commit is contained in:
Breadway 2026-06-14 19:36:38 +08:00
parent ec24ed6371
commit b098178058
4 changed files with 317 additions and 28 deletions
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27
src/bar/stats.rs
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@ -15,22 +15,25 @@ static BT_CONN: AsyncOnce<zbus::Connection> = AsyncOnce::const_new();
static BT_CACHE: LazyLock<Mutex<&'static str>> = LazyLock::new(|| Mutex::new(BT_OFF));
static BT_TICK: AtomicU8 = AtomicU8::new(0);
pub const WIFI_STRONG: &str = concat!(env!("CARGO_MANIFEST_DIR"), "/assets/WiFi Strong.svg");
pub const WIFI_MEDIUM: &str = concat!(env!("CARGO_MANIFEST_DIR"), "/assets/WiFi Medium.svg");
pub const WIFI_WEAK: &str = concat!(env!("CARGO_MANIFEST_DIR"), "/assets/WiFi Weak.svg");
pub const WIFI_OFF: &str = concat!(env!("CARGO_MANIFEST_DIR"), "/assets/WiFi Disconnect.svg");
// Embedded SVG contents (not paths). These &str constants double as stable
// HashMap keys via their .as_ptr(); include_str! keeps each one a single
// 'static literal, so pointer identity still holds.
pub const WIFI_STRONG: &str = include_str!(concat!(env!("CARGO_MANIFEST_DIR"), "/assets/WiFi Strong.svg"));
pub const WIFI_MEDIUM: &str = include_str!(concat!(env!("CARGO_MANIFEST_DIR"), "/assets/WiFi Medium.svg"));
pub const WIFI_WEAK: &str = include_str!(concat!(env!("CARGO_MANIFEST_DIR"), "/assets/WiFi Weak.svg"));
pub const WIFI_OFF: &str = include_str!(concat!(env!("CARGO_MANIFEST_DIR"), "/assets/WiFi Disconnect.svg"));
pub const BAT_HIGH: &str = concat!(env!("CARGO_MANIFEST_DIR"), "/assets/Battery 3 Bars.svg");
pub const BAT_MID: &str = concat!(env!("CARGO_MANIFEST_DIR"), "/assets/Battery 2 Bars.svg");
pub const BAT_LOW: &str = concat!(env!("CARGO_MANIFEST_DIR"), "/assets/Battery 1 Bar.svg");
pub const AC_POWER: &str = concat!(env!("CARGO_MANIFEST_DIR"), "/assets/AC Power.svg");
pub const BAT_HIGH: &str = include_str!(concat!(env!("CARGO_MANIFEST_DIR"), "/assets/Battery 3 Bars.svg"));
pub const BAT_MID: &str = include_str!(concat!(env!("CARGO_MANIFEST_DIR"), "/assets/Battery 2 Bars.svg"));
pub const BAT_LOW: &str = include_str!(concat!(env!("CARGO_MANIFEST_DIR"), "/assets/Battery 1 Bar.svg"));
pub const AC_POWER: &str = include_str!(concat!(env!("CARGO_MANIFEST_DIR"), "/assets/AC Power.svg"));
pub const BT_OFF: &str = concat!(env!("CARGO_MANIFEST_DIR"), "/assets/Bluetooth Off.svg");
pub const BT_ON: &str = concat!(env!("CARGO_MANIFEST_DIR"), "/assets/Bluetooth.svg");
pub const BT_CONNECTED: &str = concat!(
pub const BT_OFF: &str = include_str!(concat!(env!("CARGO_MANIFEST_DIR"), "/assets/Bluetooth Off.svg"));
pub const BT_ON: &str = include_str!(concat!(env!("CARGO_MANIFEST_DIR"), "/assets/Bluetooth.svg"));
pub const BT_CONNECTED: &str = include_str!(concat!(
env!("CARGO_MANIFEST_DIR"),
"/assets/Bluetooth Connected.svg"
);
));
#[derive(Debug)]
pub struct Stats {