mutter/tests/test-cogl-tex-tile.c

227 lines
5.5 KiB
C

#include <config.h>
#include <glib.h>
#include <stdlib.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);
};
GType test_coglbox_get_type (void) G_GNUC_CONST;
G_END_DECLS
/* Coglbox private declaration
*--------------------------------------------------*/
G_DEFINE_TYPE (TestCoglbox, test_coglbox, CLUTTER_TYPE_ACTOR);
#define TEST_COGLBOX_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE ((obj), TEST_TYPE_COGLBOX, TestCoglboxPrivate))
struct _TestCoglboxPrivate
{
CoglHandle cogl_tex_id;
gint frame;
};
/* Coglbox implementation
*--------------------------------------------------*/
static void
test_coglbox_paint(ClutterActor *self)
{
TestCoglboxPrivate *priv = TEST_COGLBOX_GET_PRIVATE (self);
ClutterColor cback = {0x66, 0x66, 0xDD, 0xFF};
ClutterColor cwhite = {0xFF, 0xFF, 0xFF, 0xFF};
ClutterFixed texcoords[4] = {
CLUTTER_FLOAT_TO_FIXED (0.0f),
CLUTTER_FLOAT_TO_FIXED (0.0f),
CLUTTER_FLOAT_TO_FIXED (1.0f),
CLUTTER_FLOAT_TO_FIXED (1.0f)
};
gint pingpong_frame;
ClutterFixed sin_frame, cos_frame;
ClutterFixed frac_frame;
gint t;
sin_frame = clutter_sini (CLUTTER_ANGLE_FROM_DEG (priv->frame));
cos_frame = clutter_cosi (CLUTTER_ANGLE_FROM_DEG (priv->frame));
pingpong_frame = (priv->frame <= 180 ? priv->frame : 360 - priv->frame);
frac_frame = CFX_QDIV (CLUTTER_INT_TO_FIXED (pingpong_frame),
CLUTTER_INT_TO_FIXED (180));
frac_frame += (CFX_ONE >> 1);
frac_frame <<= 1;
for (t=0; t<4; t+=2)
{
texcoords[t] += cos_frame;
texcoords[t+1] += sin_frame;
texcoords[t] = CFX_QMUL (texcoords[t], frac_frame);
texcoords[t+1] = CFX_QMUL (texcoords[t+1], frac_frame);
}
priv = TEST_COGLBOX_GET_PRIVATE (self);
cogl_push_matrix ();
cogl_color (&cback);
cogl_fast_fill_rectangle (0,0,400,400);
cogl_color (&cwhite);
cogl_translate (100,100,0);
cogl_texture_rectangle (priv->cogl_tex_id,
0, 0,
CLUTTER_INT_TO_FIXED (200),
CLUTTER_INT_TO_FIXED (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_texture_unref (priv->cogl_tex_id);
G_OBJECT_CLASS (test_coglbox_parent_class)->dispose (object);
}
static void
test_coglbox_init (TestCoglbox *self)
{
TestCoglboxPrivate *priv;
self->priv = priv = TEST_COGLBOX_GET_PRIVATE(self);
priv->cogl_tex_id = cogl_texture_new_from_file ("redhand.png", 0,
COGL_PIXEL_FORMAT_ANY,
NULL);
cogl_texture_set_filters (priv->cogl_tex_id,
CGL_LINEAR, CGL_LINEAR);
}
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;
g_type_class_add_private (gobject_class, sizeof (TestCoglboxPrivate));
}
ClutterActor*
test_coglbox_new (void)
{
return g_object_new (TEST_TYPE_COGLBOX, NULL);
}
static void
frame_cb (ClutterTimeline *timeline,
gint frame_num,
gpointer data)
{
TestCoglboxPrivate *priv = TEST_COGLBOX_GET_PRIVATE (data);
priv->frame = frame_num;
clutter_actor_queue_redraw (CLUTTER_ACTOR (data));
}
int
main (int argc, char *argv[])
{
ClutterActor *stage;
ClutterActor *coglbox;
ClutterTimeline *timeline;
ClutterBehaviour *behave;
ClutterAlpha *alpha;
clutter_init(&argc, &argv);
/* Stage */
stage = clutter_stage_get_default ();
clutter_actor_set_size (stage, 400, 400);
clutter_stage_set_title (CLUTTER_STAGE (stage), "Cogl Test");
/* Cogl Box */
coglbox = test_coglbox_new ();
clutter_container_add_actor (CLUTTER_CONTAINER (stage), coglbox);
/* Timeline for animation */
timeline = clutter_timeline_new (360, 60); /* num frames, fps */
g_object_set (timeline, "loop", TRUE, NULL); /* have it loop */
g_signal_connect (timeline, "new-frame", G_CALLBACK (frame_cb), coglbox);
clutter_timeline_start (timeline);
clutter_actor_show_all (stage);
clutter_main ();
return 0;
}