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#include <gtk/gtk.h>
static gboolean benchmark = FALSE;
static gboolean dump_variant = FALSE;
static gboolean fallback = FALSE;
static GOptionEntry options[] = {
{ "benchmark", 'b', 0, G_OPTION_ARG_NONE, &benchmark, "Time operations", NULL },
{ "dump-variant", 'd', 0, G_OPTION_ARG_NONE, &dump_variant, "Dump GVariant structure", NULL },
{ "fallback", '\0', 0, G_OPTION_ARG_NONE, &fallback, "Draw node without a renderer", NULL },
{ NULL }
};
int
main(int argc, char **argv)
{
cairo_surface_t *surface;
GskRenderNode *node;
GError *error = NULL;
GBytes *bytes;
gint64 start, end;
char *contents;
gsize len;
if (!gtk_init_with_args (&argc, &argv, "NODE-FILE PNG-FILE",
options, NULL, &error))
{
g_printerr ("Option parsing failed: %s\n", error->message);
return 1;
}
if (argc != 3 && (argc != 2 && dump_variant))
{
g_printerr ("Usage: %s [OPTIONS] NODE-FILE PNG-FILE\n", argv[0]);
return 1;
}
if (!g_file_get_contents (argv[1], &contents, &len, &error))
{
g_printerr ("Could not open node file: %s\n", error->message);
return 1;
}
bytes = g_bytes_new_take (contents, len);
if (dump_variant)
{
GVariant *variant = g_variant_new_from_bytes (G_VARIANT_TYPE ("(suuv)"), bytes, FALSE);
g_variant_print (variant, FALSE);
g_variant_unref (variant);
}
start = g_get_monotonic_time ();
node = gsk_render_node_deserialize (bytes);
end = g_get_monotonic_time ();
if (benchmark)
{
char *bytes_string = g_format_size (g_bytes_get_size (bytes));
g_print ("Loaded %s in %.4gs\n", bytes_string, (double) (end - start) / G_USEC_PER_SEC);
g_free (bytes_string);
}
g_bytes_unref (bytes);
if (node == NULL)
{
g_printerr ("Invalid node file.\n");
return 1;
}
if (argc > 2)
{
if (fallback)
{
graphene_rect_t bounds;
cairo_t *cr;
gsk_render_node_get_bounds (node, &bounds);
surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, ceil (bounds.size.width), ceil (bounds.size.height));
cr = cairo_create (surface);
cairo_translate (cr, - bounds.origin.x, - bounds.origin.y);
gsk_render_node_draw (node, cr);
cairo_destroy (cr);
}
else
{
GskRenderer *renderer;
GdkWindow *window;
GskTexture *texture;
window = gdk_window_new_toplevel (gdk_display_get_default(), 0, 10 , 10);
renderer = gsk_renderer_new_for_window (window);
start = g_get_monotonic_time ();
texture = gsk_renderer_render_texture (renderer, node, NULL);
end = g_get_monotonic_time ();
if (benchmark)
g_print ("Rendered using %s in %.4gs\n", G_OBJECT_TYPE_NAME (renderer), (double) (end - start) / G_USEC_PER_SEC);
surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
gsk_texture_get_width (texture),
gsk_texture_get_height (texture));
gsk_texture_download (texture,
cairo_image_surface_get_data (surface),
cairo_image_surface_get_stride (surface));
cairo_surface_mark_dirty (surface);
gsk_texture_unref (texture);
g_object_unref (window);
g_object_unref (renderer);
}
gsk_render_node_unref (node);
if (cairo_surface_write_to_png (surface, argv[2]))
{
cairo_surface_destroy (surface);
g_print ("Failed to save PNG file.\n");
return 1;
}
cairo_surface_destroy (surface);
}
return 0;
}
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