[gtk] Add an image comparison utility
- From: Matthias Clasen <matthiasc src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gtk] Add an image comparison utility
- Date: Tue, 30 Jul 2019 18:03:12 +0000 (UTC)
commit e3ee1df456926240caf407ca7b6b7fab3cb5f08b
Author: Matthias Clasen <mclasen redhat com>
Date: Tue Jul 30 14:01:11 2019 -0400
Add an image comparison utility
This comes in handy sometimes, and we
already have the image diff code.
testsuite/reftests/image-compare.c | 63 ++++++++++++++++++++++++++++++++++++++
testsuite/reftests/meson.build | 3 ++
2 files changed, 66 insertions(+)
---
diff --git a/testsuite/reftests/image-compare.c b/testsuite/reftests/image-compare.c
new file mode 100644
index 0000000000..a69bdeac3f
--- /dev/null
+++ b/testsuite/reftests/image-compare.c
@@ -0,0 +1,63 @@
+#include "config.h"
+
+#include "reftest-compare.h"
+
+static char *opt_filename;
+static gboolean opt_quiet;
+
+int
+main (int argc, char **argv)
+{
+ cairo_surface_t *image1;
+ cairo_surface_t *image2;
+ cairo_surface_t *diff;
+ GOptionEntry entries[] = {
+ {"output", 'o', 0, G_OPTION_ARG_FILENAME, &opt_filename, "Output location", "FILE" },
+ {"quiet", 'q', 0, G_OPTION_ARG_NONE, &opt_quiet, "Don't talk", NULL },
+ { NULL, }
+ };
+ GOptionContext *context;
+ GError *error = NULL;
+
+ context = g_option_context_new ("FILE1 FILE2");
+ g_option_context_add_main_entries (context, entries, NULL);
+ if (!g_option_context_parse (context, &argc, &argv, &error))
+ {
+ if (error != NULL)
+ g_printerr ("%s\n", error->message);
+ else
+ g_printerr ("Option parse error\n");
+ exit (1);
+ }
+
+ if (argc < 3)
+ {
+ g_printerr ("Must specify two files\n");
+ exit (1);
+ }
+
+ image1 = cairo_image_surface_create_from_png (argv[1]);
+ image2 = cairo_image_surface_create_from_png (argv[2]);
+
+ diff = reftest_compare_surfaces (image1, image2);
+
+ if (opt_filename && diff)
+ cairo_surface_write_to_png (diff, opt_filename);
+
+ if (!opt_quiet)
+ {
+ if (diff)
+ {
+ if (opt_filename)
+ g_print ("Differences witten to %s.\n", opt_filename);
+ else
+ g_print ("The images are different.\n");
+ }
+ else
+ g_print ("No differences.\n");
+ }
+
+ if (!opt_quiet)
+
+ return diff != NULL ? 1 : 0;
+}
diff --git a/testsuite/reftests/meson.build b/testsuite/reftests/meson.build
index 20c45566b6..6cba6cd451 100644
--- a/testsuite/reftests/meson.build
+++ b/testsuite/reftests/meson.build
@@ -30,6 +30,9 @@ gtk_reftest = executable('gtk-reftest', 'gtk-reftest.c',
link_with : [libgtkreftestprivate, libreftest],
dependencies : libgtk_dep)
+image_compare = executable('image-compare', 'image-compare.c',
+ link_with : [libgtkreftestprivate, libreftest],
+ dependencies : libgtk_dep)
# Installed data (TODO)
testdata = [
[
Date Prev][
Date Next] [
Thread Prev][
Thread Next]
[
Thread Index]
[
Date Index]
[
Author Index]