From 061f7f6a302174cfd4ebc89a3b55d2a446fdd501 Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <mitchell.hashimoto@gmail.com>
Date: Sat, 8 Oct 2022 17:29:50 -0700
Subject: [PATCH] pkg/macos: text framesetter

---
 pkg/macos/foundation/attributed_string.zig |  2 ++
 pkg/macos/text.zig                         |  1 +
 pkg/macos/text/framesetter.zig             | 35 ++++++++++++++++++++++
 3 files changed, 38 insertions(+)
 create mode 100644 pkg/macos/text/framesetter.zig

diff --git a/pkg/macos/foundation/attributed_string.zig b/pkg/macos/foundation/attributed_string.zig
index 1194924af..fbe972acf 100644
--- a/pkg/macos/foundation/attributed_string.zig
+++ b/pkg/macos/foundation/attributed_string.zig
@@ -5,6 +5,8 @@ const foundation = @import("../foundation.zig");
 const text = @import("../text.zig");
 const c = @import("c.zig");
 
+pub const AttributedString = opaque {};
+
 pub const MutableAttributedString = opaque {
     pub fn create(cap: usize) Allocator.Error!*MutableAttributedString {
         return @intToPtr(
diff --git a/pkg/macos/text.zig b/pkg/macos/text.zig
index efdcf1568..5875441ec 100644
--- a/pkg/macos/text.zig
+++ b/pkg/macos/text.zig
@@ -2,6 +2,7 @@ pub usingnamespace @import("text/font.zig");
 pub usingnamespace @import("text/font_collection.zig");
 pub usingnamespace @import("text/font_descriptor.zig");
 pub usingnamespace @import("text/font_manager.zig");
+pub usingnamespace @import("text/framesetter.zig");
 
 test {
     @import("std").testing.refAllDecls(@This());
diff --git a/pkg/macos/text/framesetter.zig b/pkg/macos/text/framesetter.zig
new file mode 100644
index 000000000..e62ff125b
--- /dev/null
+++ b/pkg/macos/text/framesetter.zig
@@ -0,0 +1,35 @@
+const std = @import("std");
+const assert = std.debug.assert;
+const Allocator = std.mem.Allocator;
+const foundation = @import("../foundation.zig");
+const graphics = @import("../graphics.zig");
+const text = @import("../text.zig");
+const c = @import("c.zig");
+
+pub const Framesetter = opaque {
+    pub fn createWithAttributedString(str: *foundation.AttributedString) Allocator.Error!*Framesetter {
+        return @intToPtr(
+            ?*Framesetter,
+            @ptrToInt(c.CTFramesetterCreateWithAttributedString(
+                @ptrCast(c.CFAttributedStringRef, str),
+            )),
+        ) orelse Allocator.Error.OutOfMemory;
+    }
+
+    pub fn release(self: *Framesetter) void {
+        foundation.CFRelease(self);
+    }
+};
+
+test {
+    const str = try foundation.MutableAttributedString.create(0);
+    defer str.release();
+    {
+        const rep = try foundation.String.createWithBytes("hello", .utf8, false);
+        defer rep.release();
+        str.replaceString(foundation.Range.init(0, 0), rep);
+    }
+
+    const fs = try Framesetter.createWithAttributedString(@ptrCast(*foundation.AttributedString, str));
+    defer fs.release();
+}