mutter/tests/test-texture-quality.c

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#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;
}