99 lines
3.0 KiB
C
99 lines
3.0 KiB
C
|
#include <stdlib.h>
|
||
|
|
#include <clutter/clutter.h>
|
||
|
|
|
||
|
|
/* each time the timeline animating the label completes, swap the direction */
|
||
|
|
static void
|
||
|
|
timeline_completed (ClutterTimeline *timeline,
|
||
|
|
gpointer user_data)
|
||
|
|
{
|
||
|
|
clutter_timeline_set_direction (timeline,
|
||
|
|
!clutter_timeline_get_direction (timeline));
|
||
|
|
clutter_timeline_start (timeline);
|
||
|
|
}
|
||
|
|
|
||
|
|
static gboolean
|
||
|
|
change_filter (gpointer actor)
|
||
|
|
{
|
||
|
|
ClutterTextureQuality old_quality;
|
||
|
|
|
||
|
|
old_quality = clutter_texture_get_filter_quality (actor);
|
||
|
|
switch (old_quality)
|
||
|
|
{
|
||
|
|
case CLUTTER_TEXTURE_QUALITY_LOW:
|
||
|
|
clutter_texture_set_filter_quality (actor,
|
||
|
|
CLUTTER_TEXTURE_QUALITY_MEDIUM);
|
||
|
|
g_print ("Setting texture rendering quality to medium\n");
|
||
|
|
break;
|
||
|
|
case CLUTTER_TEXTURE_QUALITY_MEDIUM:
|
||
|
|
clutter_texture_set_filter_quality (actor,
|
||
|
|
CLUTTER_TEXTURE_QUALITY_HIGH);
|
||
|
|
g_print ("Setting texture rendering quality to high\n");
|
||
|
|
break;
|
||
|
|
case CLUTTER_TEXTURE_QUALITY_HIGH:
|
||
|
|
clutter_texture_set_filter_quality (actor,
|
||
|
|
CLUTTER_TEXTURE_QUALITY_LOW);
|
||
|
|
g_print ("Setting texture rendering quality to low\n");
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
gint
|
||
|
|
main (int argc, char *argv[])
|
||
|
|
{
|
||
|
|
ClutterTimeline *timeline;
|
||
|
|
ClutterBehaviour *depth_behavior;
|
||
|
|
ClutterActor *stage;
|
||
|
|
ClutterActor *image;
|
||
|
|
ClutterColor stage_color = { 0x12, 0x34, 0x56, 0xff };
|
||
|
|
GError *error;
|
||
|
|
|
||
|
|
clutter_init (&argc, &argv);
|
||
|
|
|
||
|
|
stage = clutter_stage_get_default ();
|
||
|
|
clutter_stage_set_color (CLUTTER_STAGE (stage), &stage_color);
|
||
|
|
clutter_stage_set_use_fog (CLUTTER_STAGE (stage), TRUE);
|
||
|
|
clutter_stage_set_fog (CLUTTER_STAGE (stage), 1.0, 10, -50);
|
||
|
|
|
||
|
|
g_signal_connect (stage,
|
||
|
|
"button-press-event", G_CALLBACK (clutter_main_quit),
|
||
|
|
NULL);
|
||
|
|
|
||
|
|
error = NULL;
|
||
|
|
image = clutter_texture_new_from_file (argv[1]?argv[1]:"redhand.png", &error);
|
||
|
|
if (error)
|
||
|
|
g_error ("Unable to load image.", error->message);
|
||
|
|
|
||
|
|
if (!argv[1])
|
||
|
|
g_print ("Hint: the redhand.png isn't a good test image for this, this test can take any clutter loadable image as an argument\n");
|
||
|
|
|
||
|
|
/* center the image */
|
||
|
|
clutter_actor_set_position (image,
|
||
|
|
(clutter_actor_get_width (stage) - clutter_actor_get_width (image))/2,
|
||
|
|
(clutter_actor_get_height (stage) - clutter_actor_get_height (image))/2);
|
||
|
|
clutter_container_add (CLUTTER_CONTAINER (stage), image, NULL);
|
||
|
|
|
||
|
|
timeline = clutter_timeline_new (60*5, 60);
|
||
|
|
g_signal_connect (timeline,
|
||
|
|
"completed", G_CALLBACK (timeline_completed),
|
||
|
|
NULL);
|
||
|
|
|
||
|
|
depth_behavior = clutter_behaviour_depth_new (
|
||
|
|
clutter_alpha_new_full (timeline, CLUTTER_ALPHA_RAMP_INC, NULL, NULL),
|
||
|
|
-2500, 400);
|
||
|
|
|
||
|
|
clutter_behaviour_apply (depth_behavior, image);
|
||
|
|
|
||
|
|
clutter_actor_show (stage);
|
||
|
|
clutter_timeline_start (timeline);
|
||
|
|
|
||
|
|
g_timeout_add (10000, change_filter, image);
|
||
|
|
|
||
|
|
clutter_main ();
|
||
|
|
|
||
|
|
g_object_unref (depth_behavior);
|
||
|
|
g_object_unref (timeline);
|
||
|
|
|
||
|
|
return EXIT_SUCCESS;
|
||
|
|
}
|