[shotwell/wip/cleanup-facedetect: 6/15] Simplify faceToVec

[Jens Georg <jensgeorg src gnome org>]

commit 9e558e959380130f6582fa350a521bcb3847f195
Author: Jens Georg <mail jensge org>
Date:   Sat Aug 13 18:55:31 2022 +0200

    Simplify faceToVec

 .../shotwell-facedetect/shotwell-facedetect.cpp    | 22 +++++++---------------
 1 file changed, 7 insertions(+), 15 deletions(-)
---
diff --git a/subprojects/shotwell-facedetect/shotwell-facedetect.cpp 
b/subprojects/shotwell-facedetect/shotwell-facedetect.cpp
index fe79de33..3e278437 100644
--- a/subprojects/shotwell-facedetect/shotwell-facedetect.cpp
+++ b/subprojects/shotwell-facedetect/shotwell-facedetect.cpp
@@ -54,21 +54,13 @@ static gboolean on_handle_load_net(ShotwellFaces1 *object,
     return TRUE;
 }
 
-static gboolean on_handle_face_to_vec(ShotwellFaces1 *object,
-                                      GDBusMethodInvocation *invocation,
-                                      const gchar *arg_image) {
-    GVariantBuilder *builder;
-    GVariant *ret;
-    std::vector<double> vec = faceToVec(arg_image);
-    builder = g_variant_builder_new(G_VARIANT_TYPE ("ad"));
-    for (std::vector<double>::const_iterator r = vec.begin(); r != vec.end(); r++) {
-        GVariant *v = g_variant_new("d", *r);
-        g_variant_builder_add(builder, "d", v);
-    }
-    ret = g_variant_new("ad", builder);
-    g_variant_builder_unref(builder);
-    shotwell_faces1_complete_face_to_vec(object, invocation,
-                                         ret);
+static gboolean on_handle_face_to_vec(ShotwellFaces1 *object, GDBusMethodInvocation *invocation, const gchar 
*arg_image)
+{
+    auto vec = faceToVec(arg_image);
+
+    shotwell_faces1_complete_face_to_vec(
+        object, invocation, g_variant_new_fixed_array(G_VARIANT_TYPE_DOUBLE, vec.data(), vec.size(), 
sizeof(double)));
+
     return TRUE;
 }