From c0b70a81b1a14c280c85e4bc9837bc4046bcae12 Mon Sep 17 00:00:00 2001
From: Luna <git@l4.pm>
Date: Mon, 22 Jul 2019 22:48:37 -0300
Subject: [PATCH] magick: reopen the file instead of just setting curpath

---
 src/image.zig  | 17 ++++++++++++-----
 src/magick.zig |  2 +-
 2 files changed, 13 insertions(+), 6 deletions(-)

diff --git a/src/image.zig b/src/image.zig
index 1a4946f..1155501 100644
--- a/src/image.zig
+++ b/src/image.zig
@@ -221,6 +221,16 @@ pub const Image = struct {
         return seek_pos;
     }
 
+    pub fn reopen(self: *Image, path: []const u8) !void {
+        var in_fmt = mkSfInfo();
+
+        self.sndfile = try sopen(self.allocator, path, c.SFM_READ, &in_fmt);
+        self.curpath = path;
+        self.frames = @intCast(usize, in_fmt.frames);
+
+        std.debug.warn("\timage: reopened on '{}'\n", self.curpath);
+    }
+
     /// Run a plugin over the image.
     /// This setups a new lilv world/plugin among other things.
     /// The internal SNDFILE pointer is modified to point to the output of the
@@ -334,9 +344,7 @@ pub const Image = struct {
         _ = c.sf_close(out_file);
         _ = c.sf_close(self.sndfile);
 
-        // reopen the file as SFM_READ so we can run plugin chains etc
-        self.sndfile = try sopen(self.allocator, tmpnam, c.SFM_READ, &out_fmt);
-        self.curpath = tmpnam;
+        try self.reopen(tmpnam);
     }
 
     pub fn saveTo(self: *Image, out_path: []const u8) !void {
@@ -414,7 +422,6 @@ pub const Image = struct {
         _ = c.sf_close(self.sndfile);
 
         // reopen the file as SFM_READ so we can run plugin chains etc
-        self.sndfile = try sopen(self.allocator, tmpnam, c.SFM_READ, &out_fmt);
-        self.curpath = tmpnam;
+        try self.reopen(tmpnam);
     }
 };
diff --git a/src/magick.zig b/src/magick.zig
index 7effc94..bd88986 100644
--- a/src/magick.zig
+++ b/src/magick.zig
@@ -57,7 +57,7 @@ fn magickSave(image: *Image, wand: *mc.MagickWand) !void {
     if (mc.MagickWriteImage(wand, c_tmpnam.ptr) != 1)
         return error.MagickWriteFail;
 
-    image.curpath = tmpnam;
+    try image.reopen(tmpnam);
     std.debug.warn("OK\n");
 }