2017-12-25 11:56:21 +00:00
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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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#include <stdlib.h>
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#include "reftest-compare.h"
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char *
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file_replace_extension (const char *old_file,
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const char *old_ext,
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const char *new_ext)
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{
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GString *file = g_string_new (NULL);
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if (g_str_has_suffix (old_file, old_ext))
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g_string_append_len (file, old_file, strlen (old_file) - strlen (old_ext));
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else
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g_string_append (file, old_file);
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g_string_append (file, new_ext);
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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_output_file (const char *file,
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const char *orig_ext,
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const char *new_ext)
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{
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const char *dir;
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char *result, *base;
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char *name;
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dir = g_get_tmp_dir ();
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base = g_path_get_basename (file);
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name = file_replace_extension (base, orig_ext, new_ext);
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result = g_strconcat (dir, G_DIR_SEPARATOR_S, name, NULL);
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g_free (base);
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g_free (name);
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return result;
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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, ".node", 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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/*
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* Arguments:
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* 1) .node file to compare
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* 2) .png file to compare the rendered .node file to
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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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cairo_surface_t *reference_surface = NULL;
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cairo_surface_t *rendered_surface = NULL;
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cairo_surface_t *diff_surface = NULL;
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GdkTexture *texture;
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GskRenderer *renderer;
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2018-03-20 10:40:08 +00:00
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GdkSurface *window;
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2017-12-25 11:56:21 +00:00
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GskRenderNode *node;
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const char *node_file;
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const char *png_file;
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g_assert (argc == 3);
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gtk_init ();
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node_file = argv[1];
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png_file = argv[2];
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2018-03-20 10:40:08 +00:00
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window = gdk_surface_new_toplevel (gdk_display_get_default(), 10 , 10);
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2018-03-20 11:05:26 +00:00
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renderer = gsk_renderer_new_for_surface (window);
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2017-12-25 11:56:21 +00:00
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g_test_message ("Node file: '%s'\n", node_file);
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g_test_message ("PNG file: '%s'\n", png_file);
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/* Load the render node from the given .node file */
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{
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GBytes *bytes;
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GError *error = NULL;
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gsize len;
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char *contents;
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if (!g_file_get_contents (node_file, &contents, &len, &error))
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{
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g_test_message ("Could not open node file: %s\n", error->message);
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g_clear_error (&error);
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g_test_fail ();
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return -1;
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}
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bytes = g_bytes_new_take (contents, len);
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node = gsk_render_node_deserialize (bytes, &error);
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g_bytes_unref (bytes);
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2019-02-23 06:57:12 +00:00
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g_assert_no_error (error);
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2017-12-25 11:56:21 +00:00
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g_assert (node != NULL);
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}
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/* Render the .node file and download to cairo surface */
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texture = gsk_renderer_render_texture (renderer, node, NULL);
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g_assert (texture != NULL);
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rendered_surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
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gdk_texture_get_width (texture),
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gdk_texture_get_height (texture));
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gdk_texture_download (texture,
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cairo_image_surface_get_data (rendered_surface),
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cairo_image_surface_get_stride (rendered_surface));
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cairo_surface_mark_dirty (rendered_surface);
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/* Load the given reference png file */
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reference_surface = cairo_image_surface_create_from_png (png_file);
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g_assert (reference_surface != NULL);
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/* Now compare the two */
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diff_surface = reftest_compare_surfaces (rendered_surface, reference_surface);
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save_image (rendered_surface, node_file, ".out.png");
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if (diff_surface)
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save_image (diff_surface, node_file, ".diff.png");
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g_assert (diff_surface == NULL);
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return 0;
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}
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