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mutter-performance-source/tests/interactive/test-texture-async.c

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#include <stdlib.h>
#include <gmodule.h>
#include <clutter/clutter.h>
enum
{
LOAD_SYNC,
LOAD_DATA_ASYNC,
LOAD_ASYNC
};
static ClutterActor *stage = NULL;
static void
on_load_finished (ClutterTexture *texture,
const GError *error,
gpointer user_data)
{
gint load_type = GPOINTER_TO_INT (user_data);
const gchar *load_str = NULL;
switch (load_type)
{
case LOAD_SYNC:
load_str = "synchronous loading";
break;
case LOAD_DATA_ASYNC:
load_str = "asynchronous data loading";
break;
case LOAD_ASYNC:
load_str = "asynchronous loading";
break;
}
if (error != NULL)
g_print ("%s failed: %s\n", load_str, error->message);
else
g_print ("%s successful\n", load_str);
}
static void
size_change_cb (ClutterTexture *texture,
gint width,
gint height,
gpointer user_data)
{
clutter_actor_set_size (user_data, width, height);
}
static
gboolean task (gpointer user_data)
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{
const gchar *path = user_data;
ClutterActor *image[3];
ClutterActor *clone[3];
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gint i;
image[0] = g_object_new (CLUTTER_TYPE_TEXTURE, NULL);
g_signal_connect (image[0], "load-finished",
G_CALLBACK (on_load_finished),
GINT_TO_POINTER (LOAD_SYNC));
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image[1] = g_object_new (CLUTTER_TYPE_TEXTURE,
"load-data-async", TRUE,
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NULL);
g_signal_connect (image[1], "load-finished",
G_CALLBACK (on_load_finished),
GINT_TO_POINTER (LOAD_DATA_ASYNC));
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image[2] = g_object_new (CLUTTER_TYPE_TEXTURE,
"load-async", TRUE,
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NULL);
g_signal_connect (image[2], "load-finished",
G_CALLBACK (on_load_finished),
GINT_TO_POINTER (LOAD_ASYNC));
for (i = 0; i < 3; i++)
{
GError *error = NULL;
clutter_texture_set_from_file (CLUTTER_TEXTURE (image[i]), path, &error);
if (error != NULL)
g_error ("Unable to load image at '%s': %s",
path != NULL ? path : "<unknown>",
error->message);
}
for (i = 0; i < 3; i++)
clutter_container_add_actor (CLUTTER_CONTAINER (stage), image[i]);
for (i = 0; i < 3; i++)
{
clutter_actor_set_position (image[i], 50 + i * 100, 0 + i * 50);
clutter_actor_set_depth (image[i], -2500);
clone[i] = clutter_clone_new (image[i]);
g_signal_connect (image[i], "size-change",
G_CALLBACK (size_change_cb), clone[i]);
clutter_container_add_actor (CLUTTER_CONTAINER (stage), clone[i]);
clutter_actor_set_position (clone[i], 50 + i * 100, 150 + i * 50 + 100);
}
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for (i = 0; i < 3; i++)
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{
clutter_actor_save_easing_state (image[i]);
clutter_actor_set_easing_duration (image[i], 5000);
clutter_actor_set_depth (image[i], 0);
clutter_actor_restore_easing_state (image[i]);
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}
return FALSE;
}
static void
cleanup_task (gpointer data)
{
}
G_MODULE_EXPORT gint
test_texture_async_main (int argc, char *argv[])
{
gchar *path;
if (clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
return 1;
stage = clutter_stage_new ();
clutter_stage_set_title (CLUTTER_STAGE (stage), "Asynchronous Texture Loading");
clutter_actor_set_background_color (stage, CLUTTER_COLOR_LightSkyBlue);
g_signal_connect (stage, "destroy", G_CALLBACK (clutter_main_quit), NULL);
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clutter_actor_show (stage);
path = (argc > 1)
? g_strdup (argv[1])
: g_build_filename (TESTS_DATADIR, "redhand.png", NULL);
clutter_threads_add_timeout_full (G_PRIORITY_DEFAULT, 500,
task, path,
cleanup_task);
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clutter_threads_enter ();
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clutter_main ();
clutter_threads_leave ();
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g_free (path);
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return EXIT_SUCCESS;
}
G_MODULE_EXPORT const char *
test_texture_async_describe (void)
{
return "Texture asynchronous loading using threads";
}