ghostty/pkg/harfbuzz/font.zig

const std = @import("std");
const c = @import("c.zig").c;
const Face = @import("face.zig").Face;
const Error = @import("errors.zig").Error;

pub const Font = struct {
    handle: *c.hb_font_t,

    /// Constructs a new font object from the specified face.
    pub fn create(face: Face) Error!Font {
        const handle = c.hb_font_create(face.handle) orelse return Error.HarfbuzzFailed;
        return Font{ .handle = handle };
    }

    /// Decreases the reference count on the given font object. When the
    /// reference count reaches zero, the font is destroyed, freeing all memory.
    pub fn destroy(self: *Font) void {
        c.hb_font_destroy(self.handle);
    }

    pub fn setScale(self: *Font, x: u32, y: u32) void {
        c.hb_font_set_scale(
            self.handle,
            @intCast(x),
            @intCast(y),
        );
    }
};