1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
|
#include <glib.h>
#include <gmodule.h>
#include <stdlib.h>
#include <math.h>
#include <clutter/clutter.h>
#include <cogl/cogl.h>
#include "tests/clutter-test-utils.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, TestCoglbox))
#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) \
(test_coglbox_get_instance_private (TEST_COGLBOX ((obj))))
/* Coglbox implementation
*--------------------------------------------------*/
static void
test_coglbox_paint (ClutterActor *self,
ClutterPaintContext *paint_context)
{
TestCoglboxPrivate *priv = TEST_COGLBOX_GET_PRIVATE (self);
CoglFramebuffer *framebuffer =
clutter_paint_context_get_framebuffer (paint_context);
CoglContext *ctx = cogl_framebuffer_get_context (framebuffer);
CoglPipeline *pipeline;
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_framebuffer_push_matrix (framebuffer);
pipeline = cogl_pipeline_new (ctx);
cogl_pipeline_set_color4ub (pipeline, 0x66, 0x66, 0xdd, 0xff);
cogl_framebuffer_draw_rectangle (framebuffer, pipeline, 0, 0, 400, 400);
cogl_object_unref (pipeline);
cogl_framebuffer_translate (framebuffer, 100, 100, 0);
pipeline = cogl_pipeline_new (ctx);
cogl_pipeline_set_layer_texture (pipeline, 0, priv->cogl_tex_id);
cogl_framebuffer_draw_textured_rectangle (framebuffer, pipeline,
0, 0, 200, 213,
texcoords[0], texcoords[1],
texcoords[2], texcoords[3]);
cogl_object_unref (pipeline);
cogl_framebuffer_pop_matrix (framebuffer);
}
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_object_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;
clutter_test_init (&argc, &argv);
/* Stage */
stage = clutter_test_get_stage ();
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_test_quit), NULL);
/* Cogl Box */
coglbox = test_coglbox_new ();
clutter_container_add_actor (CLUTTER_CONTAINER (stage), coglbox);
/* Timeline for animation */
timeline = clutter_timeline_new_for_actor (stage, 6000); /* 6 second duration */
clutter_timeline_set_repeat_count (timeline, -1);
g_signal_connect (timeline, "new-frame", G_CALLBACK (frame_cb), coglbox);
clutter_timeline_start (timeline);
clutter_actor_show (stage);
clutter_test_main ();
return 0;
}
G_MODULE_EXPORT const char *
test_cogl_tex_tile_describe (void)
{
return "Texture tiling.";
}
|
