From 488251423400568882b81c5ced051f7dcb1b8d2e Mon Sep 17 00:00:00 2001
From: Matthias Clasen <mclasen@redhat.com>
Date: Wed, 10 Jan 2024 21:08:33 -0500
Subject: [PATCH] node-editor: Make test fonts available

Add the directory containing test fonts for gsk tests to the
font configuration, so that node files from the testsuite using
these fonts just work.
---
 demos/node-editor/node-editor-application.c | 42 ++++++++++++++++++++-
 1 file changed, 41 insertions(+), 1 deletion(-)

diff --git a/demos/node-editor/node-editor-application.c b/demos/node-editor/node-editor-application.c
index 10086e4937..d136e406e0 100644
--- a/demos/node-editor/node-editor-application.c
+++ b/demos/node-editor/node-editor-application.c
@@ -19,6 +19,10 @@
 
 #include "config.h"
 
+#ifdef HAVE_PANGOFT
+#include <pango/pangofc-fontmap.h>
+#endif
+
 #include "node-editor-application.h"
 
 #include "node-editor-window.h"
@@ -45,11 +49,47 @@ struct _NodeEditorApplicationClass
   GtkApplicationClass parent_class;
 };
 
-G_DEFINE_TYPE(NodeEditorApplication, node_editor_application, GTK_TYPE_APPLICATION);
+G_DEFINE_TYPE (NodeEditorApplication, node_editor_application, GTK_TYPE_APPLICATION);
+
+static void
+maybe_add_test_fonts (void)
+{
+#ifdef HAVE_PANGOFT
+  const char *subdir = "testsuite/gsk/fonts";
+  const char *source_dir;
+  char *dir;
+
+  source_dir = g_getenv ("GTK_SOURCE_DIR");
+
+  if (source_dir)
+    {
+      char *abs_source_dir = g_canonicalize_filename (source_dir, NULL);
+      dir = g_canonicalize_filename (subdir, abs_source_dir);
+      g_free (abs_source_dir);
+    }
+  else
+    {
+      char *current_dir = g_get_current_dir ();
+      dir = g_canonicalize_filename (subdir, current_dir);
+      g_free (current_dir);
+    }
+
+  if (g_file_test (dir, G_FILE_TEST_EXISTS))
+    {
+      FcConfig *config;
+
+      config = FcConfigGetCurrent ();
+      FcConfigAppFontAddDir (config, (const FcChar8 *) dir);
+    }
+
+  g_free (dir);
+#endif
+}
 
 static void
 node_editor_application_init (NodeEditorApplication *app)
 {
+  maybe_add_test_fonts ();
 }
 
 static void