459 lines
11 KiB
C
459 lines
11 KiB
C
/*
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* Copyright (C) 2011 Red Hat Inc.
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*
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* Author:
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* Benjamin Otte <otte@gnome.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include "reftest-compare.h"
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#include "reftest-module.h"
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#include "reftest-snapshot.h"
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#include <string.h>
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#include <glib/gstdio.h>
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#include <gtk/gtk.h>
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#ifdef G_OS_WIN32
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# include <direct.h>
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#endif
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typedef enum {
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SNAPSHOT_WINDOW,
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SNAPSHOT_DRAW
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} SnapshotMode;
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/* This is exactly the style information you've been looking for */
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#define GTK_STYLE_PROVIDER_PRIORITY_FORCE G_MAXUINT
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static char *arg_output_dir = NULL;
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static char *arg_base_dir = NULL;
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static char *arg_direction = NULL;
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static char *arg_compare_dir = NULL;
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static const GOptionEntry test_args[] = {
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{ "output", 'o', 0, G_OPTION_ARG_FILENAME, &arg_output_dir,
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"Directory to save image files to", "DIR" },
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{ "directory", 'd', 0, G_OPTION_ARG_FILENAME, &arg_base_dir,
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"Directory to run tests from", "DIR" },
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{ "direction", 0, 0, G_OPTION_ARG_STRING, &arg_direction,
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"Set text direction", "ltr|rtl" },
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{ "compare-with", 0, 0, G_OPTION_ARG_FILENAME, &arg_compare_dir,
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"Directory to compare with", "DIR" },
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{ NULL }
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};
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static gboolean
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parse_command_line (int *argc, char ***argv)
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{
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GError *error = NULL;
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GOptionContext *context;
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char *schema_dir;
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context = g_option_context_new ("- run GTK reftests");
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g_option_context_add_main_entries (context, test_args, NULL);
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g_option_context_set_ignore_unknown_options (context, TRUE);
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if (!g_option_context_parse (context, argc, argv, &error))
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{
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g_print ("option parsing failed: %s\n", error->message);
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return FALSE;
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}
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gtk_test_init (argc, argv);
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/* g_test_build_filename must be called after gtk_test_init */
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schema_dir = g_test_build_filename (G_TEST_BUILT, "", NULL);
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if (g_getenv ("GTK_TEST_MESON") == NULL)
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g_setenv ("GSETTINGS_SCHEMA_DIR", schema_dir, TRUE);
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g_free (schema_dir);
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if (g_strcmp0 (arg_direction, "rtl") == 0)
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gtk_widget_set_default_direction (GTK_TEXT_DIR_RTL);
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else if (g_strcmp0 (arg_direction, "ltr") == 0)
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gtk_widget_set_default_direction (GTK_TEXT_DIR_LTR);
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else if (arg_direction != NULL)
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g_printerr ("Invalid argument passed to --direction argument. Valid arguments are 'ltr' and 'rtl'\n");
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g_type_ensure (G_TYPE_THEMED_ICON);
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return TRUE;
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}
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static const char *
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get_output_dir (void)
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{
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static const char *output_dir = NULL;
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GError *error = NULL;
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if (output_dir)
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return output_dir;
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if (arg_output_dir)
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{
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GFile *file = g_file_new_for_commandline_arg (arg_output_dir);
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output_dir = g_file_get_path (file);
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g_object_unref (file);
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}
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else
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{
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output_dir = g_get_tmp_dir ();
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}
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if (!g_file_test (output_dir, G_FILE_TEST_EXISTS))
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{
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GFile *file;
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file = g_file_new_for_path (output_dir);
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g_assert (g_file_make_directory_with_parents (file, NULL, &error));
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g_assert_no_error (error);
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g_object_unref (file);
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}
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return output_dir;
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}
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static void
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get_components_of_test_file (const char *test_file,
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char **directory,
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char **basename)
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{
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if (directory)
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{
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*directory = g_path_get_dirname (test_file);
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}
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if (basename)
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{
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char *base = g_path_get_basename (test_file);
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if (g_str_has_suffix (base, ".ui"))
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base[strlen (base) - strlen (".ui")] = '\0';
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*basename = base;
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}
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}
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static char *
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get_output_file (const char *test_file,
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const char *extension)
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{
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const char *output_dir = get_output_dir ();
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char *result, *base;
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get_components_of_test_file (test_file, NULL, &base);
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result = g_strconcat (output_dir, G_DIR_SEPARATOR_S, base, extension, NULL);
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g_free (base);
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return result;
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}
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static char *
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get_test_file (const char *test_file,
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const char *extension,
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gboolean must_exist)
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{
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GString *file = g_string_new (NULL);
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char *dir, *base;
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get_components_of_test_file (test_file, &dir, &base);
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file = g_string_new (dir);
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g_string_append (file, G_DIR_SEPARATOR_S);
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g_string_append (file, base);
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g_string_append (file, extension);
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g_free (dir);
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g_free (base);
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if (must_exist &&
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!g_file_test (file->str, G_FILE_TEST_EXISTS))
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{
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g_string_free (file, TRUE);
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return NULL;
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}
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return g_string_free (file, FALSE);
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}
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static char *
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get_reference_image (const char *ui_file)
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{
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char *base;
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char *reference_image;
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if (!arg_compare_dir)
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return NULL;
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get_components_of_test_file (ui_file, NULL, &base);
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reference_image = g_strconcat (arg_compare_dir, G_DIR_SEPARATOR_S, base, ".out.png", NULL);
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g_free (base);
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if (!g_file_test (reference_image, G_FILE_TEST_EXISTS))
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{
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g_free (reference_image);
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return NULL;
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}
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return reference_image;
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}
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static GtkStyleProvider *
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add_extra_css (const char *testname,
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const char *extension)
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{
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GtkStyleProvider *provider = NULL;
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char *css_file;
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css_file = get_test_file (testname, extension, TRUE);
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if (css_file == NULL)
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return NULL;
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provider = GTK_STYLE_PROVIDER (gtk_css_provider_new ());
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gtk_css_provider_load_from_path (GTK_CSS_PROVIDER (provider),
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css_file,
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NULL);
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gtk_style_context_add_provider_for_screen (gdk_screen_get_default (),
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provider,
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GTK_STYLE_PROVIDER_PRIORITY_FORCE);
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g_free (css_file);
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return provider;
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}
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static void
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remove_extra_css (GtkStyleProvider *provider)
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{
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if (provider == NULL)
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return;
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gtk_style_context_remove_provider_for_screen (gdk_screen_get_default (),
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provider);
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}
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static void
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save_image (cairo_surface_t *surface,
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const char *test_name,
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const char *extension)
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{
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char *filename = get_output_file (test_name, extension);
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g_test_message ("Storing test result image at %s", filename);
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g_assert (cairo_surface_write_to_png (surface, filename) == CAIRO_STATUS_SUCCESS);
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g_free (filename);
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}
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static void
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test_ui_file (GFile *file)
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{
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char *ui_file, *reference_file;
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cairo_surface_t *ui_image, *reference_image, *diff_image;
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GtkStyleProvider *provider;
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ui_file = g_file_get_path (file);
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provider = add_extra_css (ui_file, ".css");
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ui_image = reftest_snapshot_ui_file (ui_file);
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if ((reference_file = get_reference_image (ui_file)) != NULL)
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reference_image = cairo_image_surface_create_from_png (reference_file);
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else if ((reference_file = get_test_file (ui_file, ".ref.ui", TRUE)) != NULL)
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reference_image = reftest_snapshot_ui_file (reference_file);
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else
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{
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reference_image = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 1, 1);
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g_test_message ("No reference image.");
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g_test_fail ();
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}
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g_free (reference_file);
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diff_image = reftest_compare_surfaces (ui_image, reference_image);
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save_image (ui_image, ui_file, ".out.png");
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save_image (reference_image, ui_file, ".ref.png");
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if (diff_image)
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{
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save_image (diff_image, ui_file, ".diff.png");
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g_test_fail ();
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}
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remove_extra_css (provider);
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}
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static int
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compare_files (gconstpointer a, gconstpointer b)
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{
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GFile *file1 = G_FILE (a);
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GFile *file2 = G_FILE (b);
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char *path1, *path2;
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int result;
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path1 = g_file_get_path (file1);
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path2 = g_file_get_path (file2);
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result = strcmp (path1, path2);
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g_free (path1);
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g_free (path2);
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return result;
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}
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static void
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add_test_for_file (GFile *file)
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{
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GFileEnumerator *enumerator;
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GFileInfo *info;
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GList *files;
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GError *error = NULL;
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if (g_file_query_file_type (file, 0, NULL) != G_FILE_TYPE_DIRECTORY)
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{
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g_test_add_vtable (g_file_get_path (file),
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0,
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g_object_ref (file),
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NULL,
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(GTestFixtureFunc) test_ui_file,
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(GTestFixtureFunc) g_object_unref);
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return;
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}
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enumerator = g_file_enumerate_children (file, G_FILE_ATTRIBUTE_STANDARD_NAME, 0, NULL, &error);
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g_assert_no_error (error);
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files = NULL;
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while ((info = g_file_enumerator_next_file (enumerator, NULL, &error)))
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{
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const char *filename;
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filename = g_file_info_get_name (info);
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if (!g_str_has_suffix (filename, ".ui") ||
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g_str_has_suffix (filename, ".ref.ui"))
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{
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g_object_unref (info);
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continue;
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}
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files = g_list_prepend (files, g_file_get_child (file, filename));
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g_object_unref (info);
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}
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g_assert_no_error (error);
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g_object_unref (enumerator);
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files = g_list_sort (files, compare_files);
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g_list_foreach (files, (GFunc) add_test_for_file, NULL);
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g_list_free_full (files, g_object_unref);
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}
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static void
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enforce_default_settings (void)
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{
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GtkSettings *settings;
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GTypeClass *klass;
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GParamSpec **pspecs;
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guint n_pspecs;
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int i;
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settings = gtk_settings_get_default ();
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klass = g_type_class_ref (G_OBJECT_TYPE (settings));
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pspecs = g_object_class_list_properties (G_OBJECT_CLASS (klass), &n_pspecs);
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for (i = 0; i < n_pspecs; i++)
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{
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GParamSpec *pspec = pspecs[i];
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const GValue *value;
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if ((pspec->flags & G_PARAM_WRITABLE) == 0)
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continue;
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if (pspec->value_type == G_TYPE_HASH_TABLE)
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continue;
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value = g_param_spec_get_default_value (pspec);
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g_object_set_property (G_OBJECT (settings), pspec->name, value);
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}
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g_free (pspecs);
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g_type_class_unref (klass);
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}
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int
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main (int argc, char **argv)
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{
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const char *basedir;
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/* I don't want to fight fuzzy scaling algorithms in GPUs,
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* so unless you explicitly set it to something else, we
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* will use Cairo's image surface.
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*/
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g_setenv ("GDK_RENDERING", "image", FALSE);
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if (!parse_command_line (&argc, &argv))
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return 1;
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enforce_default_settings ();
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if (arg_base_dir)
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basedir = arg_base_dir;
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else
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basedir = g_test_get_dir (G_TEST_DIST);
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if (argc < 2)
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{
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GFile *dir;
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dir = g_file_new_for_path (basedir);
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add_test_for_file (dir);
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g_object_unref (dir);
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}
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else
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{
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guint i;
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for (i = 1; i < argc; i++)
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{
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GFile *file = g_file_new_for_commandline_arg (argv[i]);
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add_test_for_file (file);
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g_object_unref (file);
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}
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}
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/* We need to ensure the process' current working directory
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* is the same as the reftest data, because we're using the
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* "file" property of GtkImage as a relative path in builder files.
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*/
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chdir (basedir);
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return g_test_run ();
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}
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