1 files changed, 94 insertions, 0 deletions
diff --git a/font/src/lib.rs b/font/src/lib.rs
new file mode 100644
index 00000000..ba632bee
--- /dev/null
+++ b/font/src/lib.rs
@@ -0,0 +1,94 @@
+//! Compatibility layer for different font engines
+//!
+//! This module is developed as part of Alacritty; Alacritty does not include Windows support
+//! as a goal at this time, and neither does this module.
+//!
+//! CoreText is used on Mac OS.
+//! FreeType is used on everything that's not Mac OS.
+
+#[cfg(not(target_os = "macos"))]
+extern crate fontconfig;
+#[cfg(not(target_os = "macos"))]
+extern crate freetype;
+#[cfg(not(target_os = "macos"))]
+extern crate libc;
+
+#[cfg(target_os = "macos")]
+extern crate core_text;
+#[cfg(target_os = "macos")]
+extern crate core_foundation;
+#[cfg(target_os = "macos")]
+extern crate core_foundation_sys;
+#[cfg(target_os = "macos")]
+extern crate core_graphics;
+
+extern crate euclid;
+
+use std::fmt;
+
+// If target isn't macos, reexport everything from ft
+#[cfg(not(target_os = "macos"))]
+mod ft;
+#[cfg(not(target_os = "macos"))]
+pub use ft::*;
+
+// If target is macos, reexport everything from darwin
+#[cfg(target_os = "macos")]
+mod darwin;
+#[cfg(target_os = "macos")]
+pub use darwin::*;
+
+#[derive(Clone, PartialEq, Eq, Hash)]
+pub struct FontDesc {
+    name: String,
+    style: String,
+}
+
+impl FontDesc {
+    pub fn new<S>(name: S, style: S) -> FontDesc
+        where S: Into<String>
+    {
+        FontDesc {
+            name: name.into(),
+            style: style.into()
+        }
+    }
+}
+
+pub struct RasterizedGlyph {
+    pub c: char,
+    pub width: i32,
+    pub height: i32,
+    pub top: i32,
+    pub left: i32,
+    pub buf: Vec<u8>,
+}
+
+struct BufDebugger<'a>(&'a [u8]);
+
+impl<'a> fmt::Debug for BufDebugger<'a> {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        f.debug_struct("GlyphBuffer")
+            .field("len", &self.0.len())
+            .field("bytes", &self.0)
+            .finish()
+    }
+}
+
+impl fmt::Debug for RasterizedGlyph {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        f.debug_struct("RasterizedGlyph")
+            .field("c", &self.c)
+            .field("width", &self.width)
+            .field("height", &self.height)
+            .field("top", &self.top)
+            .field("left", &self.left)
+            .field("buf", &BufDebugger(&self.buf[..]))
+            .finish()
+    }
+}
+
+pub struct Metrics {
+    pub average_advance: f64,
+    pub line_height: f64,
+}