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#include <stdlib.h>
#include <gmodule.h>
#include <clutter/clutter.h>
#include "tests/clutter-test-utils.h"
#define PATH_DESCRIPTION \
"M 0, 0 " \
"L 0, 300 " \
"L 300, 300 " \
"L 300, 0 " \
"L 0, 0"
static gboolean toggled = FALSE;
int
test_path_constraint_main (int argc,
char *argv[]);
static gboolean
on_button_press (ClutterActor *actor,
const ClutterEvent *event,
gpointer dummy G_GNUC_UNUSED)
{
if (!toggled)
clutter_actor_animate (actor, CLUTTER_EASE_OUT_CUBIC, 500,
"@constraints.path.offset", 1.0,
NULL);
else
clutter_actor_animate (actor, CLUTTER_EASE_OUT_CUBIC, 500,
"@constraints.path.offset", 0.0,
NULL);
toggled = !toggled;
return TRUE;
}
static gchar *
node_to_string (const ClutterPathNode *node)
{
GString *buffer = g_string_sized_new (256);
gsize len = 0, i;
switch (node->type)
{
case CLUTTER_PATH_MOVE_TO:
g_string_append (buffer, "move-to ");
len = 1;
break;
case CLUTTER_PATH_LINE_TO:
g_string_append (buffer, "line-to ");
len = 1;
break;
case CLUTTER_PATH_CURVE_TO:
g_string_append (buffer, "curve-to ");
len = 3;
break;
case CLUTTER_PATH_CLOSE:
g_string_append (buffer, "close");
len = 0;
break;
default:
break;
}
for (i = 0; i < len; i++)
{
if (i == 0)
g_string_append (buffer, "[ ");
g_string_append_printf (buffer, "[ %d, %d ]",
node->points[i].x,
node->points[i].y);
if (i == len - 1)
g_string_append (buffer, " ]");
}
return g_string_free (buffer, FALSE);
}
static void
on_node_reached (ClutterPathConstraint *constraint,
ClutterActor *actor,
guint index_)
{
ClutterPath *path = clutter_path_constraint_get_path (constraint);
ClutterPathNode node;
gchar *str;
clutter_path_get_node (path, index_, &node);
str = node_to_string (&node);
g_print ("Node %d reached: %s\n", index_, str);
g_free (str);
}
G_MODULE_EXPORT int
test_path_constraint_main (int argc,
char *argv[])
{
ClutterActor *stage, *rect;
ClutterPath *path;
ClutterColor rect_color = { 0xcc, 0x00, 0x00, 0xff };
clutter_test_init (&argc, &argv);
stage = clutter_test_get_stage ();
clutter_stage_set_title (CLUTTER_STAGE (stage), "Path Constraint");
g_signal_connect (stage, "destroy", G_CALLBACK (clutter_test_quit), NULL);
path = clutter_path_new ();
clutter_path_set_description (path, PATH_DESCRIPTION);
rect = clutter_actor_new ();
clutter_actor_set_background_color (rect, &rect_color);
clutter_actor_set_size (rect, 128, 128);
clutter_actor_set_reactive (rect, TRUE);
clutter_actor_add_constraint_with_name (rect, "path", clutter_path_constraint_new (path, 0.0));
clutter_container_add_actor (CLUTTER_CONTAINER (stage), rect);
g_signal_connect (rect, "button-press-event", G_CALLBACK (on_button_press), NULL);
g_signal_connect (clutter_actor_get_constraint (rect, "path"),
"node-reached",
G_CALLBACK (on_node_reached),
NULL);
clutter_actor_show (stage);
clutter_test_main ();
return EXIT_SUCCESS;
}
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