mutter/clutter/tests/interactive/test-cogl-tex-tile.c
2019-01-22 18:31:19 +01:00

224 lines
5.4 KiB
C

#include <glib.h>
#include <gmodule.h>
#include <stdlib.h>
#include <math.h>
#include <clutter/clutter.h>
#include <cogl/cogl.h>
/* Coglbox declaration
*--------------------------------------------------*/
G_BEGIN_DECLS
#define TEST_TYPE_COGLBOX test_coglbox_get_type()
#define TEST_COGLBOX(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), \
TEST_TYPE_COGLBOX, TestCoglboxClass))
#define TEST_COGLBOX_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST ((klass), \
TEST_TYPE_COGLBOX, TestCoglboxClass))
#define TEST_IS_COGLBOX(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), \
TEST_TYPE_COGLBOX))
#define TEST_IS_COGLBOX_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE ((klass), \
TEST_TYPE_COGLBOX))
#define TEST_COGLBOX_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS ((obj), \
TEST_TYPE_COGLBOX, TestCoglboxClass))
typedef struct _TestCoglbox TestCoglbox;
typedef struct _TestCoglboxClass TestCoglboxClass;
typedef struct _TestCoglboxPrivate TestCoglboxPrivate;
struct _TestCoglbox
{
ClutterActor parent;
/*< private >*/
TestCoglboxPrivate *priv;
};
struct _TestCoglboxClass
{
ClutterActorClass parent_class;
/* padding for future expansion */
void (*_test_coglbox1) (void);
void (*_test_coglbox2) (void);
void (*_test_coglbox3) (void);
void (*_test_coglbox4) (void);
};
static GType test_coglbox_get_type (void) G_GNUC_CONST;
int
test_cogl_tex_tile_main (int argc, char *argv[]);
const char *
test_cogl_tex_tile_describe (void);
G_END_DECLS
/* Coglbox private declaration
*--------------------------------------------------*/
struct _TestCoglboxPrivate
{
CoglHandle cogl_tex_id;
gdouble animation_progress;
};
G_DEFINE_TYPE_WITH_PRIVATE (TestCoglbox, test_coglbox, CLUTTER_TYPE_ACTOR);
#define TEST_COGLBOX_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE ((obj), TEST_TYPE_COGLBOX, TestCoglboxPrivate))
/* Coglbox implementation
*--------------------------------------------------*/
static void
test_coglbox_paint (ClutterActor *self)
{
TestCoglboxPrivate *priv = TEST_COGLBOX_GET_PRIVATE (self);
gfloat texcoords[4] = { 0.0f, 0.0f, 1.0f, 1.0f };
gfloat angle;
gfloat frac;
gint t;
angle = priv->animation_progress * 2 * G_PI;
frac = ((priv->animation_progress <= 0.5f
? priv->animation_progress
: 1.0f - priv->animation_progress) + 0.5f) * 2.0f;
for (t=0; t<4; t+=2)
{
texcoords[t] += cos (angle);
texcoords[t+1] += sin (angle);
texcoords[t] *= frac;
texcoords[t+1] *= frac;
}
priv = TEST_COGLBOX_GET_PRIVATE (self);
cogl_push_matrix ();
cogl_set_source_color4ub (0x66, 0x66, 0xdd, 0xff);
cogl_rectangle (0, 0, 400, 400);
cogl_translate (100, 100, 0);
cogl_set_source_texture (priv->cogl_tex_id);
cogl_rectangle_with_texture_coords (0, 0, 200, 213,
texcoords[0], texcoords[1],
texcoords[2], texcoords[3]);
cogl_pop_matrix();
}
static void
test_coglbox_finalize (GObject *object)
{
G_OBJECT_CLASS (test_coglbox_parent_class)->finalize (object);
}
static void
test_coglbox_dispose (GObject *object)
{
TestCoglboxPrivate *priv;
priv = TEST_COGLBOX_GET_PRIVATE (object);
cogl_handle_unref (priv->cogl_tex_id);
G_OBJECT_CLASS (test_coglbox_parent_class)->dispose (object);
}
static void
test_coglbox_init (TestCoglbox *self)
{
TestCoglboxPrivate *priv;
gchar *file;
self->priv = priv = TEST_COGLBOX_GET_PRIVATE(self);
file = g_build_filename (TESTS_DATADIR, "redhand.png", NULL);
priv->cogl_tex_id = cogl_texture_new_from_file (file,
COGL_TEXTURE_NONE,
COGL_PIXEL_FORMAT_ANY,
NULL);
g_free (file);
}
static void
test_coglbox_class_init (TestCoglboxClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
ClutterActorClass *actor_class = CLUTTER_ACTOR_CLASS (klass);
gobject_class->finalize = test_coglbox_finalize;
gobject_class->dispose = test_coglbox_dispose;
actor_class->paint = test_coglbox_paint;
}
static ClutterActor*
test_coglbox_new (void)
{
return g_object_new (TEST_TYPE_COGLBOX, NULL);
}
static void
frame_cb (ClutterTimeline *timeline,
gint msecs,
gpointer data)
{
TestCoglboxPrivate *priv = TEST_COGLBOX_GET_PRIVATE (data);
priv->animation_progress = clutter_timeline_get_progress (timeline);
clutter_actor_queue_redraw (CLUTTER_ACTOR (data));
}
G_MODULE_EXPORT int
test_cogl_tex_tile_main (int argc, char *argv[])
{
ClutterActor *stage;
ClutterActor *coglbox;
ClutterTimeline *timeline;
if (clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
return 1;
/* Stage */
stage = clutter_stage_new ();
clutter_actor_set_size (stage, 400, 400);
clutter_stage_set_title (CLUTTER_STAGE (stage), "Cogl Texture Tiling");
g_signal_connect (stage, "destroy", G_CALLBACK (clutter_main_quit), NULL);
/* Cogl Box */
coglbox = test_coglbox_new ();
clutter_container_add_actor (CLUTTER_CONTAINER (stage), coglbox);
/* Timeline for animation */
timeline = clutter_timeline_new (6000); /* 6 second duration */
clutter_timeline_set_loop (timeline, TRUE);
g_signal_connect (timeline, "new-frame", G_CALLBACK (frame_cb), coglbox);
clutter_timeline_start (timeline);
clutter_actor_show_all (stage);
clutter_main ();
return 0;
}
G_MODULE_EXPORT const char *
test_cogl_tex_tile_describe (void)
{
return "Texture tiling.";
}