#include #include #include #include #include "reftest-compare.h" char * file_replace_extension (const char *old_file, const char *old_ext, const char *new_ext) { GString *file = g_string_new (NULL); if (g_str_has_suffix (old_file, old_ext)) g_string_append_len (file, old_file, strlen (old_file) - strlen (old_ext)); else g_string_append (file, old_file); g_string_append (file, new_ext); return g_string_free (file, FALSE); } static char * get_output_file (const char *file, const char *orig_ext, const char *new_ext) { const char *dir; char *result, *base; char *name; dir = g_get_tmp_dir (); base = g_path_get_basename (file); name = file_replace_extension (base, orig_ext, new_ext); result = g_strconcat (dir, G_DIR_SEPARATOR_S, name, NULL); g_free (base); g_free (name); return result; } static void save_image (cairo_surface_t *surface, const char *test_name, const char *extension) { char *filename = get_output_file (test_name, ".node", extension); g_test_message ("Storing test result image at %s", filename); g_assert (cairo_surface_write_to_png (surface, filename) == CAIRO_STATUS_SUCCESS); g_free (filename); } /* * Arguments: * 1) .node file to compare * 2) .png file to compare the rendered .node file to */ int main (int argc, char **argv) { cairo_surface_t *reference_surface = NULL; cairo_surface_t *rendered_surface = NULL; cairo_surface_t *diff_surface = NULL; GdkTexture *texture; GskRenderer *renderer; GdkSurface *window; GskRenderNode *node; const char *node_file; const char *png_file; g_assert (argc == 3); gtk_init (); node_file = argv[1]; png_file = argv[2]; window = gdk_surface_new_toplevel (gdk_display_get_default(), 10 , 10); renderer = gsk_renderer_new_for_surface (window); g_test_message ("Node file: '%s'\n", node_file); g_test_message ("PNG file: '%s'\n", png_file); /* Load the render node from the given .node file */ { GBytes *bytes; GError *error = NULL; gsize len; char *contents; if (!g_file_get_contents (node_file, &contents, &len, &error)) { g_test_message ("Could not open node file: %s\n", error->message); g_clear_error (&error); g_test_fail (); return -1; } bytes = g_bytes_new_take (contents, len); node = gsk_render_node_deserialize (bytes, &error); g_bytes_unref (bytes); g_assert_no_error (error); g_assert (node != NULL); } /* Render the .node file and download to cairo surface */ texture = gsk_renderer_render_texture (renderer, node, NULL); g_assert (texture != NULL); rendered_surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, gdk_texture_get_width (texture), gdk_texture_get_height (texture)); gdk_texture_download (texture, cairo_image_surface_get_data (rendered_surface), cairo_image_surface_get_stride (rendered_surface)); cairo_surface_mark_dirty (rendered_surface); /* Load the given reference png file */ reference_surface = cairo_image_surface_create_from_png (png_file); g_assert (reference_surface != NULL); /* Now compare the two */ diff_surface = reftest_compare_surfaces (rendered_surface, reference_surface); save_image (rendered_surface, node_file, ".out.png"); if (diff_surface) save_image (diff_surface, node_file, ".diff.png"); g_assert (diff_surface == NULL); return 0; }