Merge branch 'test-font-tweaks' into 'main'

tests: Change the way custom fonts are handled

See merge request GNOME/gtk!6734

testsuite/gsk/compare-render.c

@@ -1,9 +1,15 @@
+#include "config.h"
 #include <string.h>
 #include <glib/gstdio.h>
 #include <gtk/gtk.h>
 #include <stdlib.h>
 #include "../reftests/reftest-compare.h"
 
+#ifdef HAVE_PANGOFT
+#include <pango/pangofc-fontmap.h>
+#endif
+
+
 static char *arg_output_dir = NULL;
 static gboolean flip = FALSE;
 static gboolean rotate = FALSE;
@@ -232,6 +238,22 @@ apply_mask_to_pixbuf (GdkPixbuf *pixbuf)
   return copy;
 }
 
+static void
+maybe_add_test_fonts (void)
+{
+#ifdef HAVE_PANGOFT
+  const char *dir;
+
+  dir = g_getenv ("TEST_FONT_DIR");
+
+  if (dir && g_file_test (dir, G_FILE_TEST_EXISTS))
+    {
+      FcConfig *config = FcConfigGetCurrent ();
+      FcConfigAppFontAddDir (config, (const FcChar8 *) dir);
+    }
+#endif
+}
+
 /*
  * Non-option arguments:
  *   1) .node file to compare
@@ -252,6 +274,8 @@ main (int argc, char **argv)
   GOptionContext *context;
   GdkTexture *diff_texture;
 
+  maybe_add_test_fonts ();
+
   (g_test_init) (&argc, &argv, NULL);
 
   context = g_option_context_new ("NODE REF - run GSK node tests");

testsuite/gsk/fonts/fonts.conf

@@ -1,7 +0,0 @@
-<?xml version="1.0"?>
-<!DOCTYPE fontconfig SYSTEM "urn:fontconfig:fonts.dtd">
-<fontconfig>
-  <cachedir>/tmp/cache</cachedir>
-  <dir prefix="relative">.</dir>
-  <include>/etc/fonts/fonts.conf</include>
-</fontconfig>

testsuite/gsk/meson.build

@@ -204,7 +204,7 @@ foreach renderer : renderers
       'GTK_A11Y=test',
       'G_TEST_SRCDIR=@0@'.format(meson.current_source_dir()),
       'G_TEST_BUILDDIR=@0@'.format(meson.current_build_dir()),
-      'FONTCONFIG_FILE=@0@/fonts/fonts.conf'.format(meson.current_source_dir())
+      'TEST_FONT_DIR=@0@/fonts'.format(meson.current_source_dir())
     ]
 
     if ((not testname.contains(exclude_term)) and