diff --git a/pkg/fontconfig/common.zig b/pkg/fontconfig/common.zig
index 7a1dd6749..710f90f79 100644
--- a/pkg/fontconfig/common.zig
+++ b/pkg/fontconfig/common.zig
@@ -1,6 +1,110 @@
 const std = @import("std");
 const c = @import("c.zig");
 
+pub const Weight = enum(c_uint) {
+    thin = c.FC_WEIGHT_THIN,
+    extralight = c.FC_WEIGHT_EXTRALIGHT,
+    light = c.FC_WEIGHT_LIGHT,
+    demilight = c.FC_WEIGHT_DEMILIGHT,
+    book = c.FC_WEIGHT_BOOK,
+    regular = c.FC_WEIGHT_REGULAR,
+    medium = c.FC_WEIGHT_MEDIUM,
+    demibold = c.FC_WEIGHT_DEMIBOLD,
+    bold = c.FC_WEIGHT_BOLD,
+    extrabold = c.FC_WEIGHT_EXTRABOLD,
+    black = c.FC_WEIGHT_BLACK,
+    extrablack = c.FC_WEIGHT_EXTRABLACK,
+};
+
+pub const Slant = enum(c_uint) {
+    roman = c.FC_SLANT_ROMAN,
+    italic = c.FC_SLANT_ITALIC,
+    oblique = c.FC_SLANT_OBLIQUE,
+};
+
+pub const Property = enum {
+    family,
+    style,
+    slant,
+    weight,
+    size,
+    aspect,
+    pixel_size,
+    spacing,
+    foundry,
+    antialias,
+    hinting,
+    hint_style,
+    vertical_layout,
+    autohint,
+    global_advance,
+    width,
+    file,
+    index,
+    ft_face,
+    rasterizer,
+    outline,
+    scalable,
+    color,
+    variable,
+    scale,
+    symbol,
+    dpi,
+    rgba,
+    minspace,
+    source,
+    charset,
+    lang,
+    fontversion,
+    fullname,
+    familylang,
+    stylelang,
+    fullnamelang,
+    capability,
+    embolden,
+    embedded_bitmap,
+    decorative,
+    lcd_filter,
+    font_features,
+    font_variations,
+    namelang,
+    prgname,
+    hash,
+    postscript_name,
+    font_has_hint,
+    order,
+
+    pub fn cval(self: Property) [:0]const u8 {
+        @setEvalBranchQuota(10_000);
+        inline for (@typeInfo(Property).Enum.fields) |field| {
+            if (self == @field(Property, field.name)) {
+                // Build our string in a comptime context so it is a binary
+                // constant and not stack allocated.
+                return comptime name: {
+                    // Replace _ with ""
+                    var buf: [field.name.len]u8 = undefined;
+                    const count = std.mem.replace(u8, field.name, "_", "", &buf);
+                    const replaced = buf[0 .. field.name.len - count];
+
+                    // Build our string
+                    var name: [replaced.len:0]u8 = undefined;
+                    std.mem.copy(u8, &name, replaced);
+                    name[replaced.len] = 0;
+                    break :name &name;
+                };
+            }
+        }
+
+        unreachable;
+    }
+
+    test "cval" {
+        const testing = std.testing;
+        try testing.expectEqualStrings("family", Property.family.cval());
+        try testing.expectEqualStrings("pixelsize", Property.pixel_size.cval());
+    }
+};
+
 pub const Result = enum(c_uint) {
     match = c.FcResultMatch,
     no_match = c.FcResultNoMatch,
diff --git a/pkg/fontconfig/object_set.zig b/pkg/fontconfig/object_set.zig
index 57db92bc9..778bd5c6e 100644
--- a/pkg/fontconfig/object_set.zig
+++ b/pkg/fontconfig/object_set.zig
@@ -1,5 +1,6 @@
 const std = @import("std");
 const c = @import("c.zig");
+const Property = @import("main.zig").Property;
 
 pub const ObjectSet = opaque {
     pub fn create() *ObjectSet {
@@ -22,89 +23,6 @@ pub const ObjectSet = opaque {
     }
 };
 
-pub const Property = enum {
-    family,
-    style,
-    slant,
-    weight,
-    size,
-    aspect,
-    pixel_size,
-    spacing,
-    foundry,
-    antialias,
-    hinting,
-    hint_style,
-    vertical_layout,
-    autohint,
-    global_advance,
-    width,
-    file,
-    index,
-    ft_face,
-    rasterizer,
-    outline,
-    scalable,
-    color,
-    variable,
-    scale,
-    symbol,
-    dpi,
-    rgba,
-    minspace,
-    source,
-    charset,
-    lang,
-    fontversion,
-    fullname,
-    familylang,
-    stylelang,
-    fullnamelang,
-    capability,
-    embolden,
-    embedded_bitmap,
-    decorative,
-    lcd_filter,
-    font_features,
-    font_variations,
-    namelang,
-    prgname,
-    hash,
-    postscript_name,
-    font_has_hint,
-    order,
-
-    pub fn cval(self: Property) [:0]const u8 {
-        @setEvalBranchQuota(10_000);
-        inline for (@typeInfo(Property).Enum.fields) |field| {
-            if (self == @field(Property, field.name)) {
-                // Build our string in a comptime context so it is a binary
-                // constant and not stack allocated.
-                return comptime name: {
-                    // Replace _ with ""
-                    var buf: [field.name.len]u8 = undefined;
-                    const count = std.mem.replace(u8, field.name, "_", "", &buf);
-                    const replaced = buf[0 .. field.name.len - count];
-
-                    // Build our string
-                    var name: [replaced.len:0]u8 = undefined;
-                    std.mem.copy(u8, &name, replaced);
-                    name[replaced.len] = 0;
-                    break :name &name;
-                };
-            }
-        }
-
-        unreachable;
-    }
-
-    test "cval" {
-        const testing = std.testing;
-        try testing.expectEqualStrings("family", Property.family.cval());
-        try testing.expectEqualStrings("pixelsize", Property.pixel_size.cval());
-    }
-};
-
 test "create" {
     const testing = std.testing;
 
diff --git a/pkg/fontconfig/pattern.zig b/pkg/fontconfig/pattern.zig
index 678e9be7c..ec60121ff 100644
--- a/pkg/fontconfig/pattern.zig
+++ b/pkg/fontconfig/pattern.zig
@@ -6,6 +6,7 @@ const Property = @import("main.zig").Property;
 const Result = @import("main.zig").Result;
 const Value = @import("main.zig").Value;
 const ValueBinding = @import("main.zig").ValueBinding;
+const Weight = @import("main.zig").Weight;
 
 pub const Pattern = opaque {
     pub fn create() *Pattern {
@@ -140,6 +141,7 @@ test "create" {
     defer pat.destroy();
 
     try testing.expect(pat.add(.family, .{ .string = "monospace" }, false));
+    try testing.expect(pat.add(.weight, .{ .integer = @enumToInt(Weight.bold) }, false));
 }
 
 test "name parse" {
diff --git a/pkg/fontconfig/value.zig b/pkg/fontconfig/value.zig
index fd5ae7444..fb1366f3f 100644
--- a/pkg/fontconfig/value.zig
+++ b/pkg/fontconfig/value.zig
@@ -23,7 +23,7 @@ pub const Type = enum(c_int) {
 pub const Value = union(Type) {
     unknown: void,
     @"void": void,
-    integer: u32,
+    integer: i32,
     double: f64,
     string: [:0]const u8,
     @"bool": bool,
@@ -38,7 +38,7 @@ pub const Value = union(Type) {
             .unknown => .{ .unknown = {} },
             .@"void" => .{ .@"void" = {} },
             .string => .{ .string = std.mem.sliceTo(cvalue.u.s, 0) },
-            .integer => .{ .integer = @intCast(u32, cvalue.u.i) },
+            .integer => .{ .integer = @intCast(i32, cvalue.u.i) },
             .double => .{ .double = cvalue.u.d },
             .@"bool" => .{ .@"bool" = cvalue.u.b == c.FcTrue },
             .matrix => .{ .matrix = @ptrCast(*const Matrix, cvalue.u.m) },