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mutter-performance-source/clutter/tests/conform/texture.c

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#define CLUTTER_DISABLE_DEPRECATION_WARNINGS
#include <clutter/clutter.h>
#include <string.h>
static CoglHandle
make_texture (void)
{
guint32 *data = g_malloc (100 * 100 * 4);
int x;
int y;
for (y = 0; y < 100; y ++)
for (x = 0; x < 100; x++)
{
if (x < 50 && y < 50)
data[y * 100 + x] = 0xff00ff00;
else
data[y * 100 + x] = 0xff00ffff;
}
return cogl_texture_new_from_data (100,
100,
COGL_TEXTURE_NONE,
COGL_PIXEL_FORMAT_ARGB_8888,
COGL_PIXEL_FORMAT_ARGB_8888,
400,
(guchar *)data);
}
static void
texture_pick_with_alpha (void)
{
ClutterTexture *tex = CLUTTER_TEXTURE (clutter_texture_new ());
ClutterStage *stage = CLUTTER_STAGE (clutter_test_get_stage ());
ClutterActor *actor;
clutter_texture_set_cogl_texture (tex, make_texture ());
clutter_actor_add_child (CLUTTER_ACTOR (stage), CLUTTER_ACTOR (tex));
clutter_actor_show (CLUTTER_ACTOR (stage));
if (g_test_verbose ())
{
g_print ("\nstage = %p\n", stage);
g_print ("texture = %p\n\n", tex);
}
clutter_texture_set_pick_with_alpha (tex, TRUE);
if (g_test_verbose ())
g_print ("Testing with pick-with-alpha enabled:\n");
/* This should fall through and hit the stage: */
actor = clutter_stage_get_actor_at_pos (stage, CLUTTER_PICK_ALL, 10, 10);
if (g_test_verbose ())
g_print ("actor @ (10, 10) = %p\n", actor);
g_assert (actor == CLUTTER_ACTOR (stage));
/* The rest should hit the texture */
actor = clutter_stage_get_actor_at_pos (stage, CLUTTER_PICK_ALL, 90, 10);
if (g_test_verbose ())
g_print ("actor @ (90, 10) = %p\n", actor);
g_assert (actor == CLUTTER_ACTOR (tex));
actor = clutter_stage_get_actor_at_pos (stage, CLUTTER_PICK_ALL, 90, 90);
if (g_test_verbose ())
g_print ("actor @ (90, 90) = %p\n", actor);
g_assert (actor == CLUTTER_ACTOR (tex));
actor = clutter_stage_get_actor_at_pos (stage, CLUTTER_PICK_ALL, 10, 90);
if (g_test_verbose ())
g_print ("actor @ (10, 90) = %p\n", actor);
g_assert (actor == CLUTTER_ACTOR (tex));
clutter_texture_set_pick_with_alpha (tex, FALSE);
if (g_test_verbose ())
g_print ("Testing with pick-with-alpha disabled:\n");
actor = clutter_stage_get_actor_at_pos (stage, CLUTTER_PICK_ALL, 10, 10);
if (g_test_verbose ())
g_print ("actor @ (10, 10) = %p\n", actor);
g_assert (actor == CLUTTER_ACTOR (tex));
}
CLUTTER_TEST_SUITE (
CLUTTER_TEST_UNIT ("/texture/pick-with-alpha", texture_pick_with_alpha)
)