/* Setup the video texture once its size is known */
void size_change (ClutterActor *texture, gint width, gint height, gpointer user_data) {
ClutterActor *stage;
gfloat new_x, new_y, new_width, new_height;
gfloat stage_width, stage_height;
ClutterAnimation *animation = NULL;
stage = clutter_actor_get_stage (texture);
if (stage == NULL)
return;
clutter_actor_get_size (stage, &stage_width, &stage_height);
/* Center video on window and calculate new size preserving aspect ratio */
new_height = (height * stage_width) / width;
if (new_height <= stage_height) {
new_width = stage_width;
new_x = 0;
new_y = (stage_height - new_height) / 2;
} else {
new_width = (width * stage_height) / height;
new_height = stage_height;
new_x = (stage_width - new_width) / 2;
new_y = 0;
}
clutter_actor_set_position (texture, new_x, new_y);
clutter_actor_set_size (texture, new_width, new_height);
clutter_actor_set_rotation (texture, CLUTTER_Y_AXIS, 0.0, stage_width / 2, 0, 0);
/* Animate it */
animation = clutter_actor_animate (texture, CLUTTER_LINEAR, 10000, "rotation-angle-y", 360.0, NULL);
clutter_animation_set_loop (animation, TRUE);
}
G_MODULE_EXPORT int
test_fbo_main (int argc, char *argv[])
{
ClutterColor blue = {0x33, 0x44, 0x55, 0xff};
ClutterActor *fbo;
ClutterActor *onscreen_source;
ClutterActor *stage;
ClutterAnimation *animation;
int x_pos = 200;
int y_pos = 100;
clutter_init (&argc, &argv);
if (clutter_feature_available (CLUTTER_FEATURE_OFFSCREEN) == FALSE)
g_error("This test requires CLUTTER_FEATURE_OFFSCREEN");
stage = clutter_stage_get_default ();
clutter_actor_set_size (stage, STAGE_WIDTH, STAGE_HEIGHT);
clutter_stage_set_color (CLUTTER_STAGE (stage), &blue);
/* Create the first source */
onscreen_source = make_source();
clutter_actor_show_all (onscreen_source);
clutter_group_add (stage, onscreen_source);
y_pos = (STAGE_HEIGHT/2.0) -
(clutter_actor_get_height (onscreen_source)/2.0);
clutter_actor_set_position (onscreen_source, x_pos, y_pos);
x_pos += clutter_actor_get_width (onscreen_source);
animation = clutter_actor_animate (onscreen_source,
CLUTTER_LINEAR,
5000, /* 1 second duration */
"rotation-angle-y", 360.0f,
NULL);
clutter_animation_set_loop (animation, TRUE);
/* Second hand = actor from onscreen_source */
if ((fbo = clutter_texture_new_from_actor (onscreen_source)) == NULL)
g_error("onscreen fbo creation failed");
clutter_actor_set_position (fbo, x_pos, y_pos);
x_pos += clutter_actor_get_width (fbo);
clutter_group_add (stage, fbo);
/* Third hand = actor from Second hand */
if ((fbo = clutter_texture_new_from_actor (fbo)) == NULL)
g_error("fbo from fbo creation failed");
clutter_actor_set_position (fbo, x_pos, y_pos);
x_pos += clutter_actor_get_width (fbo);
clutter_group_add (stage, fbo);
clutter_actor_show_all (stage);
clutter_main ();
return 0;
}
int
main (int argc, char **argv)
{
ClutterActor *stage = stage;
ClutterActor *side_box;
ClutterActor *button_box;
ClutterActor *box;
ClutterAnimation *anim;
MashLightSet *light_set;
MxStyle *style;
GError *error = NULL;
Data data;
int i;
if (clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
return 1;
style = mx_style_get_default ();
if (!mx_style_load_from_file (style, "lights.css",
&error))
{
g_warning ("Error setting style: %s", error->message);
g_clear_error (&error);
}
stage = clutter_stage_get_default ();
clutter_actor_set_size (stage, 800, 600);
side_box = mx_table_new ();
clutter_actor_set_name (side_box, "side-box");
clutter_container_add_actor (CLUTTER_CONTAINER (stage), side_box);
clutter_actor_set_size (side_box, 300,
clutter_actor_get_height (stage));
clutter_actor_set_x (side_box,
clutter_actor_get_width (stage)
- clutter_actor_get_width (side_box));
button_box = mx_table_new ();
mx_table_add_actor (MX_TABLE (side_box), button_box, 0, 0);
data.notebook = mx_notebook_new ();
mx_table_add_actor (MX_TABLE (side_box), data.notebook, 1, 0);
data.model = mash_model_new_from_file (MASH_DATA_NONE,
argc > 1
? argv[1]
: "suzanne.ply",
&error);
if (data.model == NULL)
{
g_warning ("Error loading model: %s", error->message);
g_clear_error (&error);
return 1;
}
light_set = mash_light_set_new ();
box = clutter_box_new (clutter_fixed_layout_new ());
clutter_actor_set_size (data.model, 400, 400);
clutter_actor_set_position (data.model, 50.0, 100.0);
clutter_container_add_actor (CLUTTER_CONTAINER (box), data.model);
clutter_container_add_actor (CLUTTER_CONTAINER (stage), box);
g_signal_connect_swapped (box, "paint",
G_CALLBACK (cogl_set_depth_test_enabled),
GINT_TO_POINTER (TRUE));
g_signal_connect_data (box, "paint",
G_CALLBACK (cogl_set_depth_test_enabled),
GINT_TO_POINTER (FALSE), NULL,
G_CONNECT_AFTER | G_CONNECT_SWAPPED);
data.light_marker_material = cogl_material_new ();
{
CoglColor color;
cogl_color_set_from_4ub (&color, 255, 0, 0, 255);
/* Use the layer state to ignore the vertex color from the shader so
that the light marker won't itself be lit */
cogl_material_set_layer_combine_constant (data.light_marker_material, 0,
&color);
cogl_material_set_layer_combine (data.light_marker_material, 0,
"RGBA = REPLACE(CONSTANT)",
NULL);
}
clutter_actor_set_rotation (data.model, CLUTTER_Y_AXIS,
0.0f,
clutter_actor_get_width (data.model) / 2.0f,
0.0f,
0.0f);
anim = clutter_actor_animate (data.model, CLUTTER_LINEAR, 3000,
"rotation-angle-y", 360.0f,
NULL);
clutter_animation_set_loop (anim, TRUE);
for (i = 0; i < N_LIGHTS; i++)
{
ClutterActor *table = mx_table_new ();
ClutterActor *button;
static ClutterActor *(* constructors[N_LIGHTS]) (void) =
{ mash_directional_light_new,
mash_point_light_new,
mash_spot_light_new };
static const ClutterColor black = { 0, 0, 0, 255 };
data.lights[i] = constructors[i] ();
button = mx_button_new_with_label (G_OBJECT_TYPE_NAME (data.lights[i]));
mx_table_add_actor (MX_TABLE (button_box), button, i, 0);
/* Default to disable all of the lights */
g_object_set (data.lights[i],
"ambient", &black,
"diffuse", &black,
"specular", &black,
NULL);
data.notebook_buttons[i] = button;
clutter_container_add_actor (CLUTTER_CONTAINER (box), data.lights[i]);
mash_light_set_add_light (light_set, MASH_LIGHT (data.lights[i]));
add_color_prop (table, "ambient light",
G_OBJECT (data.lights[i]), "ambient");
add_color_prop (table, "diffuse light",
G_OBJECT (data.lights[i]), "diffuse");
add_color_prop (table, "specular light",
G_OBJECT (data.lights[i]), "specular");
if (MASH_IS_POINT_LIGHT (data.lights[i]))
{
add_float_prop (table, "constant attenuation",
G_OBJECT (data.lights[i]), "constant-attenuation",
0.0f, 10.0f);
add_float_prop (table, "linear attenuation",
G_OBJECT (data.lights[i]), "linear-attenuation",
0.0f, 10.0f);
add_float_prop (table, "quadratic attenuation",
G_OBJECT (data.lights[i]), "quadratic-attenuation",
0.0f, 10.0f);
}
if (MASH_IS_SPOT_LIGHT (data.lights[i]))
{
clutter_actor_set_x (data.lights[i], 250);
add_float_prop (table, "spot cutoff",
G_OBJECT (data.lights[i]), "spot-cutoff",
0.0f, 90.0f);
add_float_prop (table, "spot exponent",
G_OBJECT (data.lights[i]), "spot-exponent",
0.0f, 128.0f);
}
clutter_container_add_actor (CLUTTER_CONTAINER (data.notebook), table);
data.notebook_pages[i] = table;
}
{
ClutterActor *button;
ClutterActor *table;
CoglHandle material;
float maximum_shininess;
material = mash_model_get_pipeline (MASH_MODEL (data.model));
/* Before version 1.3.10 on the 1.3 branch and 1.2.14 on the 1.2
branch Cogl would remap the shininess property to the range
[0,1]. After this it is just a value greater or equal to zero
(but GL imposes a limit of 128.0) */
if (clutter_check_version (1, 3, 9)
|| (clutter_major_version == 1
&& clutter_minor_version == 2
&& clutter_micro_version >= 13))
maximum_shininess = 128.0f;
else
maximum_shininess = 1.0f;
cogl_material_set_shininess (material, maximum_shininess);
button = mx_button_new_with_label ("Material");
data.notebook_buttons[i] = button;
mx_table_add_actor (MX_TABLE (button_box), button, i, 0);
table = mx_table_new ();
data.notebook_pages[i] = table;
clutter_container_add_actor (CLUTTER_CONTAINER (data.notebook), table);
add_material_color_prop (table, "emission", material,
cogl_material_set_emission,
cogl_material_get_emission);
add_material_color_prop (table, "diffuse", material,
cogl_material_set_diffuse,
cogl_material_get_diffuse);
add_material_color_prop (table, "ambient", material,
cogl_material_set_ambient,
cogl_material_get_ambient);
add_material_color_prop (table, "specular", material,
cogl_material_set_specular,
cogl_material_get_specular);
add_material_float_prop (table, "shininess", material,
0.0f, maximum_shininess,
cogl_material_set_shininess,
cogl_material_get_shininess);
}
mash_model_set_light_set (MASH_MODEL (data.model), light_set);
g_object_unref (light_set);
for (i = 0; i < N_PAGES; i++)
{
g_signal_connect (data.notebook_buttons[i], "notify::toggled",
G_CALLBACK (notebook_button_cb), &data);
mx_button_set_is_toggle (MX_BUTTON (data.notebook_buttons[i]), TRUE);
}
mx_button_set_toggled (MX_BUTTON (data.notebook_buttons[0]), TRUE);
g_signal_connect (stage, "motion-event",
G_CALLBACK (motion_event_cb),
&data);
clutter_actor_show (stage);
clutter_main ();
cogl_handle_unref (data.light_marker_material);
return 0;
}
