allow disabling of embedded fonts

Cargo.toml

@@ -7,8 +7,9 @@ build = "build.rs"
 description = "A simple GUI for Neovim."
 
 [features]
-default = ["sdl2-static-link"]
+default = ["sdl2-static-link", "embed-fonts"]
 sdl2-static-link = ["skulpin/sdl2-static-link"]
+embed-fonts = []
 
 [dependencies]
 euclid = "0.20.7"

src/renderer/caching_shaper.rs

@@ -2,7 +2,7 @@ use std::collections::HashMap;
 
 use lru::LruCache;
 use skulpin::skia_safe::{TextBlob, Font as SkiaFont, Typeface, TextBlobBuilder, Data};
-use font_kit::{source::SystemSource, metrics::Metrics, properties::{Properties, Weight, Style, Stretch}, family_name::FamilyName, font::Font, };
+use font_kit::{source::SystemSource, metrics::Metrics, properties::{Properties, Weight, Style, Stretch}, family_name::FamilyName, font::Font };
 use skribo::{LayoutSession, FontRef as SkriboFont, FontFamily, FontCollection, TextStyle};
 
 use log::{trace, info, warn};
@@ -34,7 +34,7 @@ const SYSTEM_EMOJI_FONT: &str = "Apple Color Emoji";
 #[cfg(target_os = "linux")]
 const SYSTEM_EMOJI_FONT: &str = "Noto Color Emoji";
 
-
+#[cfg(feature = "embed-fonts")]
 #[derive(RustEmbed)]
 #[folder = "assets/fonts/"]
 struct Asset;
@@ -61,6 +61,7 @@ pub fn add_font_to_collection_by_name(name: &str, source: &SystemSource, collect
         .map(|font| collection.add_family(FontFamily::new_from_font(font)))
 }
 
+#[cfg(feature = "embed-fonts")]
 pub fn add_asset_font_to_collection(name: &str, collection: &mut FontCollection) -> Option<()> {
     Asset::get(name)
         .and_then(|font_data| Font::from_bytes(font_data.to_vec().into(), 0).ok())
@@ -95,6 +96,8 @@ pub fn build_collection_by_font_name(font_name: Option<&str>, bold: bool, italic
         }
     }
 
+    #[cfg(feature = "embed-fonts")]
+    {
         let monospace_style = if bold {
             MONOSPACE_BOLD_FONT
         } else {
@@ -103,19 +106,25 @@ pub fn build_collection_by_font_name(font_name: Option<&str>, bold: bool, italic
 
         add_asset_font_to_collection(monospace_style, &mut collection)
             .unwrap_or_else(|| warn!("Could not load embedded monospace font"));
+    }
 
     if add_font_to_collection_by_name(SYSTEM_EMOJI_FONT, &source, &mut collection).is_none() {
+        #[cfg(feature = "embed-fonts")]
+        {
             if cfg!(not(target_os = "macos")) && add_asset_font_to_collection(EMOJI_FONT, &mut collection).is_some() {
                 info!("Fell back to embedded emoji font");
             } else {
                 warn!("Could not load emoji font");
             }
         }
+    }
 
     add_font_to_collection_by_name(SYSTEM_SYMBOL_FONT, &source, &mut collection)
         .unwrap_or_else(|| warn!("Could not load system symbol font"));
 
 
+    #[cfg(feature = "embed-fonts")]
+    {
         let wide_style = if bold {
             WIDE_BOLD_FONT
         } else {
@@ -127,6 +136,7 @@ pub fn build_collection_by_font_name(font_name: Option<&str>, bold: bool, italic
 
         add_asset_font_to_collection(SYMBOL_FONT, &mut collection)
             .unwrap_or_else(|| warn!("Could not load embedded symbol font"));
+    }
 
     collection
 }