static void
add_text(CrItem *group)
{
double x, y;
gboolean scaleable;
const char *text;
CrItem *item;
x = g_random_double_range(0, 380);
y = g_random_double_range(0, 380);
scaleable = g_random_boolean();
if (scaleable)
text = "This text will <b>scale</b>.";
else
text = "This text will <b>not</b>.";
item = cr_text_new(group, x, y, text,
"scaleable", scaleable,
"font", "Sans 12",
"anchor", GTK_ANCHOR_NW,
"use-markup", TRUE,
"fill_color_rgba", 0x000000ffL, NULL);
g_signal_connect(item, "event", (GCallback) item_event, NULL);
}
static void
add_ellipse(CrItem *group)
{
double x, y, width, height, orientation, tmp1, tmp2;
GArray *array;
CrItem *item;
guint color;
x = g_random_double_range(0, 360);
y = g_random_double_range(0, 360);
tmp1 = g_random_double_range(10, 200);
tmp2 = g_random_double_range(10, 200);
width = MAX(tmp1, tmp2);
height = MIN(tmp1, tmp2);
orientation = g_random_double_range(0, G_PI);
color = g_random_int_range(0,255) << 24 |
g_random_int_range(0,255) << 16 |
g_random_int_range(0,255) << 8 |
0xff;
item = cr_ellipse_new(group, x, y, width, height, orientation,
"outline_color_rgba", 0x000000ff,
"line_scaleable", FALSE,
"line_width", 2.0,
"fill_color_rgba", color,
NULL);
g_signal_connect(item, "event", (GCallback) item_event, NULL);
}
static void
add_vector(CrItem *group)
{
double x, y, x2, y2;
GArray *array;
CrItem *item;
guint color;
x = g_random_double_range(0, 360);
y = g_random_double_range(0, 360);
x2 = g_random_double_range(10, 100);
y2 = g_random_double_range(10, 100);
item = cr_vector_new(group, x, y, x2, y2,
"outline_color_rgba", 0x000000ff,
"end_scaleable", FALSE,
"line_scaleable", FALSE,
"line_width", 2.0,
NULL);
cr_arrow_new(item, -1, NULL);
cr_arrow_new(item, 0, NULL);
g_signal_connect(item, "event", (GCallback) item_event, NULL);
}
static void
add_arrow(CrItem *group)
{
double x, y, depth;
gboolean scaleable;
const char *color;
int i;
CrItem *item;
GArray *array;
array = g_array_new(FALSE, FALSE, sizeof(double));
x = g_random_double_range(0, 380);
y = g_random_double_range(0, 380);
for (i = 0; i < 4; i++) {
g_array_append_val(array, x);
g_array_append_val(array, y);
x += g_random_double_range(5, 50);
y += g_random_double_range(5, 50);
}
item = cr_line_new(group, "array", array,
"outline_color", "darkgreen", "close", FALSE, NULL);
cr_arrow_new(item, 0, NULL);
cr_arrow_new(item, 1, NULL);
cr_arrow_new(item, -2, NULL);
cr_arrow_new(item, -1, NULL);
g_signal_connect(item, "event", (GCallback) item_event, NULL);
}
static void
add_pixbuf(CrItem *group)
{
double x, y;
CrItem *item;
GdkPixbuf *pixbuf;
GError *error;
x = g_random_double_range(0, 380);
y = g_random_double_range(0, 380);
error = NULL;
pixbuf = gdk_pixbuf_new_from_file("bug.png", &error);
g_return_if_fail(pixbuf);
item = cr_pixbuf_new(group, x, y,
"pixbuf", pixbuf,
"scaleable", FALSE,
"anchor", GTK_ANCHOR_CENTER, NULL);
g_object_unref(pixbuf);
g_signal_connect(item, "event", (GCallback) item_event, NULL);
}
static void
add_rectangle(CrItem *group)
{
double x, y, w, h;
CrItem *item;
guint color;
x = g_random_double_range(0, 360);
y = g_random_double_range(0, 360);
w = g_random_double_range(10, 100);
h = g_random_double_range(10, 100);
color = g_random_int_range(0,255) << 24 |
g_random_int_range(0,255) << 16 |
g_random_int_range(0,255) << 8 |
0xff;
item = cr_rectangle_new(group, x, y, w, h,
"outline_color_rgba", 0x000000ff,
"line_scaleable", TRUE,
"line_width", 2.0,
"fill_color_rgba", color,
NULL);
g_signal_connect(item, "event", (GCallback) item_event, NULL);
}
static void
setup (void)
{
GstTagSetter *setter;
gchar *desc_str;
GstCaps *filter_caps;
GstBus *bus;
gint i;
GST_INFO ("init");
main_loop = g_main_loop_new (NULL, TRUE);
camera = gst_check_setup_element ("camerabin");
setup_camerabin_elements (camera);
g_signal_connect (camera, "image-done", G_CALLBACK (capture_done), main_loop);
bus = gst_pipeline_get_bus (GST_PIPELINE (camera));
gst_bus_add_watch (bus, (GstBusFunc) capture_bus_cb, main_loop);
gst_bus_set_sync_handler (bus, bus_sync_callback, main_loop);
gst_object_unref (bus);
filter_caps = gst_caps_from_string ("video/x-raw-yuv,format=(fourcc)I420");
g_object_set (G_OBJECT (camera), "filter-caps", filter_caps, NULL);
gst_caps_unref (filter_caps);
/* force a low framerate here to not timeout the tests because of the
* encoders */
g_signal_emit_by_name (camera, "set-video-resolution-fps", 320, 240, 5, 1,
NULL);
/* Set some default tags */
setter = GST_TAG_SETTER (camera);
desc_str = g_strdup_printf ("Created by %s", g_get_real_name ());
gst_tag_setter_add_tags (setter, GST_TAG_MERGE_REPLACE,
GST_TAG_DESCRIPTION, desc_str, NULL);
g_free (desc_str);
if (gst_element_set_state (GST_ELEMENT (camera), GST_STATE_PLAYING) ==
GST_STATE_CHANGE_FAILURE) {
GST_WARNING ("setting camerabin to PLAYING failed");
gst_element_set_state (GST_ELEMENT (camera), GST_STATE_NULL);
gst_object_unref (camera);
camera = NULL;
}
/* create the taglists */
for (i = 0; i < TAGLISTS_COUNT; i++) {
taglists[i] = gst_tag_list_new_full (GST_TAG_ARTIST, "test-artist",
GST_TAG_GEO_LOCATION_LONGITUDE, g_random_double_range (-180, 180),
GST_TAG_GEO_LOCATION_LATITUDE, g_random_double_range (-90, 90),
GST_TAG_GEO_LOCATION_ELEVATION, g_random_double_range (0, 3000), NULL);
}
GST_INFO ("init finished");
}
static void
add_line(CrItem *group)
{
int i, total;
double angle, dist, cx, cy, x, y;
GArray *array;
CrItem *line;
guint color;
cairo_pattern_t *pattern;
array = g_array_new(FALSE, FALSE, sizeof(double));
total = g_random_int_range(3, 30);
cx = g_random_double_range(40, 360);
cy = g_random_double_range(40, 360);
for (i = 0, angle = 0; i < total; angle += 2. * M_PI/total, i++) {
dist = g_random_double_range(10, 40);
x = cx + dist * sin(angle);
y = cy + dist * cos(angle);
g_array_append_val(array, x);
g_array_append_val(array, y);
}
line = cr_line_new(group, "array", array,
"outline_color_rgba", 0x000000ff,
"line_scaleable", TRUE,
"line_width", 3.0,
NULL);
if (g_random_boolean()) {
color = g_random_int_range(0,255) << 24 |
g_random_int_range(0,255) << 16 |
g_random_int_range(0,255) << 8 |
0xff;
g_object_set(line, "fill_color_rgba", color, NULL);
}
else {
pattern = cairo_pattern_create_linear(0, 0,
g_random_double_range(5, 20),
g_random_double_range(5, 20));
cairo_pattern_add_color_stop_rgb(pattern, 0, g_random_double(),
g_random_double(), g_random_double());
cairo_pattern_add_color_stop_rgb(pattern, 10, g_random_double(),
g_random_double(), g_random_double());
cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REPEAT);
g_object_set(line, "pattern", pattern, NULL);
cairo_pattern_destroy(pattern);
}
g_signal_connect(line, "event", (GCallback) item_event, NULL);
}
gdouble
gimp_paint_options_get_dynamic_size (GimpPaintOptions *paint_options,
const GimpCoords *coords,
gboolean use_dynamics)
{
gdouble scale = 1.0;
if (use_dynamics)
{
gdouble pressure = -1.0;
gdouble velocity = -1.0;
gdouble random = -1.0;
if (paint_options->pressure_options->size)
{
pressure = coords->pressure;
}
else if (paint_options->pressure_options->inverse_size)
{
pressure = 1.0 - 0.9 * coords->pressure;
}
if (paint_options->velocity_options->size)
{
velocity = 1.0 - sqrt (coords->velocity);
}
else if (paint_options->velocity_options->inverse_size)
{
velocity = sqrt (coords->velocity);
}
if (paint_options->random_options->size)
{
random = 1.0 - g_random_double_range (0.0, 1.0);
}
else if (paint_options->random_options->inverse_size)
{
random = g_random_double_range (0.0, 1.0);
}
scale = gimp_paint_options_get_dynamics_mix (pressure,
paint_options->pressure_options->prescale,
velocity,
paint_options->velocity_options->prescale,
random,
paint_options->random_options->prescale);
if (scale < 1 / 64.0)
scale = 1 / 8.0;
else
scale = sqrt (scale);
}
scale *= paint_options->brush_scale;
return scale;
}
/* --- adsr --- */
static double *
noise_filterer_synth (BbInstrument *instrument,
BbRenderInfo *render_info,
GValue *params,
guint *n_samples_out)
{
double repeat_count = g_value_get_double (params + 1);
BbFilter1 *filter = g_value_dup_boxed (params + 2);
double prepasses = g_value_get_double (params + 3);
double falloff = g_value_get_double (params + 4);
guint n = render_info->note_duration_samples;
guint delay_line_len_unclamped = n / MAX (1, repeat_count);
guint delay_line_len = MAX (delay_line_len_unclamped, 10);
BbDelayLine *delay_line = bb_delay_line_new (delay_line_len);
double *rv = g_new (double, n);
double last = 0;
guint i, j;
if (repeat_count < 1.0) g_message ("repeat-count is too low (%.6f)", repeat_count);
//g_message ("overall falloff: %.6f", falloff);
falloff = pow (falloff, 1.0 / (1.0 + repeat_count));
//g_message ("per-instance falloff: %.6f", falloff);
for (i = 0; i < delay_line_len; i++)
delay_line->buffer[i] = g_random_double_range (-1, 1);
for (j = 0; j < prepasses; j++)
for (i = 0; i < delay_line_len; i++)
last = bb_delay_line_add (delay_line, bb_filter1_run (filter, last));
for (i = 0; i < n; i++)
{
rv[i] = last = bb_delay_line_add (delay_line, bb_filter1_run (filter, last));
last *= falloff;
}
*n_samples_out = n;
bb_filter1_free (filter);
return rv;
}
/**
* uber_heat_map_render_fast:
* @graph: A #UberGraph.
*
* XXX
*
* Returns: None.
* Side effects: None.
*/
static void
uber_heat_map_render_fast (UberGraph *graph, /* IN */
cairo_t *cr, /* IN */
GdkRectangle *area, /* IN */
guint epoch, /* IN */
gfloat each) /* IN */
{
UberGraphPrivate *priv;
gfloat height;
gint i;
g_return_if_fail(UBER_IS_HEAT_MAP(graph));
priv = graph->priv;
/*
* XXX: Temporarily draw nice little squares.
*/
#define COUNT 10
height = area->height / (gfloat)COUNT;
for (i = 0; i < COUNT; i++) {
cairo_rectangle(cr,
area->x + area->width - each,
area->y + (i * height),
each,
height);
cairo_set_source_rgba(cr, .1, .1, .8,
g_random_double_range(0., 1.));
cairo_set_antialias(cr, CAIRO_ANTIALIAS_NONE);
cairo_fill(cr);
}
}
static void _random_distribution (PointAccum **points,
AranSolver3d *solver)
{
guint i, cptr = 0;
gdouble tol = 1.e-2;
aran_solver3d_set_tolerance (solver, tol);
for (i=0; i<np; i++)
{
PointAccum *point = g_malloc0 (sizeof (PointAccum));
PointAccum *found;
point->vector.x = g_random_double_range (-R,R);
point->vector.y = g_random_double_range (-R,R);
point->vector.z = g_random_double_range (-R,R);
point->density = g_random_double_range (0., 2./np);
point->field = VSG_V3D_ZERO;
/* point->accum = 0.; */
point->id = cptr;
if (direct)
{
points[cptr] = point;
cptr ++;
}
else
{
found = aran_solver3d_find_point (solver, point);
if (found != NULL)
{
found->density += point->density;
g_free (point);
}
else
{
points[cptr] = point;
aran_solver3d_insert_point (solver, point);
cptr ++;
}
}
}
np = cptr;
}
static void
move_progress(GtkWidget *entry, gpointer progress)
{
gdouble step;
g_return_if_fail(GTK_IS_PROGRESS_BAR(progress));
step = g_random_double_range(0.03, 0.1);
gtk_progress_bar_set_pulse_step(GTK_PROGRESS_BAR(progress), step);
gtk_progress_bar_pulse(GTK_PROGRESS_BAR(progress));
}
static void _random_distribution (PointAccum **points,
AranSolver2d *solver)
{
guint i;
for (i=0; i<np; i++)
{
PointAccum *point = g_malloc0 (sizeof (PointAccum));
point->vector.x = g_random_double_range (-R,R);
point->vector.y = g_random_double_range (-R,R);
point->density = 1.;
point->accum = 0.;
point->id = i;
points[i] = point;
aran_solver2d_insert_point (solver, point);
}
}
int
main()
{
g_type_init();
if (!g_thread_supported ()) g_thread_init (NULL);
g_printf("Testing spectrum_unfold()");
HosSpectrum *S1 = HOS_SPECTRUM(spectrum_test_cube_new());
HosSpectrum *S2 = spectrum_flakify(S1, 1.0 - 2e-4);
HosSpectrum *S3 = spectrum_unfold(S2, 1, 2, 1, FALSE);
HosSpectrum *S4 = spectrum_transpose(S2, 1);
HosSpectrum *S5 = spectrum_transpose(S3, 1);
gdouble y1 = g_random_double_range(spectrum_giro_ppm(S4, 0), spectrum_orig_ppm(S4, 0));
gdouble yn = g_random_double_range(spectrum_giro_ppm(S4, 0), spectrum_orig_ppm(S4, 0));
HosSpectrum *S6 = spectrum_extract_ppm(S4, y1, yn);
HosSpectrum *S7 = spectrum_extract_ppm(S5, y1, yn);
monitor_interval /= 10;
spectrum_monitor(S7);
gint i;
for (i = 0; i < 50; ++i)
{
gint x = g_random_int_range(0, spectrum_np(S6, 0));
gint y = g_random_int_range(0, spectrum_np(S6, 1));
gint z = g_random_int_range(0, spectrum_np(S6, 2));
gdouble s6 = grok_point(S6, x, y, z);
gdouble s7 = grok_point(S7, x, y, z);
g_assert(fabs(s6 - s7) < 0.01);
}
g_print("OK\n");
return 0;
}
static void
add_grab(CrItem *group)
{
double x, y, w, h;
GArray *array;
CrItem *outlined_thing;
/* This demonstrates how to use a rectangle (or any other path)
* to grab something that is normally hard to grab
*/
x = g_random_double_range(0, 360);
y = g_random_double_range(0, 360);
w = g_random_double_range(20, 100);
h = g_random_double_range(20, 100);
/* normally you could grab this only by the outline which in this case
* is specified to be one pixel wide. */
outlined_thing = cr_rectangle_new(group, x, y, w, h,
"outline_color_rgba", 0x000000ff,
"line_scaleable", FALSE,
"line_width", 1.0,
NULL);
/* An invisible grabbable path is added as a child of the item that is
* difficult to grab. It is important to remember the x,y positions
* of child items are referenced against their parent, so 0, 0 is
* used here.*/
cr_rectangle_new(outlined_thing, 0, 0, w, h,
/* don't set fill or outline color and the item
* will not paint, but will have bounds. */
"test-fill", TRUE,
NULL);
/* The event of the child item is pushed up to the parent since it is
* not handled by the child item.*/
g_signal_connect(outlined_thing, "event", (GCallback) item_event, NULL);
}
static Path *
screen_saver_floater_create_path_to_random_point (ScreenSaver *screen_saver,
ScreenSaverFloater *floater,
gdouble duration)
{
Point start_position, end_position, start_control_point, end_control_point;
start_position = floater->position;
end_position.x = start_position.x +
(g_random_double_range (-.5, .5) * 4 * FLOATER_MAX_SIZE);
end_position.y = start_position.y +
(g_random_double_range (-.5, .5) * 4 * FLOATER_MAX_SIZE);
start_control_point.x = start_position.x + .95 * (end_position.x - start_position.x);
start_control_point.y = start_position.y + .95 * (end_position.y - start_position.y);
end_control_point.x = start_position.x + 1.0 * (end_position.x - start_position.x);
end_control_point.y = start_position.y + 1.0 * (end_position.y - start_position.y);
return path_new (&start_position, &start_control_point, &end_control_point,
&end_position, duration);
}
static gboolean
dummy_scatter_func (UberScatter *scatter, /* IN */
GArray **array, /* OUT */
gpointer user_data) /* IN */
{
gdouble val;
gint i;
*array = g_array_new(FALSE, FALSE, sizeof(gdouble));
for (i = 0; i < 4; i++) {
val = g_random_double_range(0., 100.);
g_array_append_val(*array, val);
}
return TRUE;
}
static void
screen_saver_create_floaters (ScreenSaver *screen_saver)
{
gint i;
for (i = 0; i < screen_saver->max_floater_count; i++)
{
ScreenSaverFloater *floater;
Point position;
gdouble scale;
position.x = g_random_double_range (screen_saver->canvas_rectangle.top_left_point.x,
screen_saver->canvas_rectangle.bottom_right_point.x);
position.y = g_random_double_range (screen_saver->canvas_rectangle.top_left_point.y,
screen_saver->canvas_rectangle.bottom_right_point.y);
scale = g_random_double ();
floater = screen_saver_floater_new (screen_saver, &position, scale);
screen_saver->floaters = g_list_prepend (screen_saver->floaters,
floater);
}
}
void
gameinfo_serve_set(GameInfo *gi, TEAM win)
{
if (win == BLUE) {
ball_init(gi->ball, BLUE);
} else {
ball_init(gi->ball, RED);
}
slime_init(gi->slime_blue);
slime_init(gi->slime_red);
gi->penalty_y = g_random_double_range(120, WIN_HEIGHT - 40); // XXX
gi->ball_count = 1;
gi->wait_count = 0;
gi->state = GS_PLAY;
}
/**
* rtp_stats_add_rtcp_jitter:
* @stats: an #RTPSessionStats struct
* @interval: an RTCP interval
*
* Apply a random jitter to the @interval. @interval is typically obtained with
* rtp_stats_calculate_rtcp_interval().
*
* Returns: the new RTCP interval.
*/
GstClockTime
rtp_stats_add_rtcp_jitter (RTPSessionStats * stats, GstClockTime interval)
{
gdouble temp;
/* see RFC 3550 p 30
* To compensate for "unconditional reconsideration" converging to a
* value below the intended average.
*/
#define COMPENSATION (2.71828 - 1.5);
temp = (interval * g_random_double_range (0.5, 1.5)) / COMPENSATION;
return (GstClockTime) temp;
}
static Path *
screen_saver_floater_create_path_to_on_screen (ScreenSaver *screen_saver,
ScreenSaverFloater *floater,
gdouble duration)
{
Point start_position, end_position, start_control_point, end_control_point;
start_position = floater->position;
end_position.x = g_random_double_range (.25, .75) *
(screen_saver->canvas_rectangle.top_left_point.x +
screen_saver->canvas_rectangle.bottom_right_point.x);
end_position.y = g_random_double_range (.25, .75) *
(screen_saver->canvas_rectangle.top_left_point.y +
screen_saver->canvas_rectangle.bottom_right_point.y);
start_control_point.x = start_position.x + .9 * (end_position.x - start_position.x);
start_control_point.y = start_position.y + .9 * (end_position.y - start_position.y);
end_control_point.x = start_position.x + 1.0 * (end_position.x - start_position.x);
end_control_point.y = start_position.y + 1.0 * (end_position.y - start_position.y);
return path_new (&start_position, &start_control_point, &end_control_point,
&end_position, duration);
}
static gboolean
on_button_press_event (GtkWidget *widget, GdkEventButton *event, gpointer user_data)
{
OsmGpsMapPoint coord;
float lat, lon;
OsmGpsMap *map = OSM_GPS_MAP(widget);
OsmGpsMapTrack *othertrack = OSM_GPS_MAP_TRACK(user_data);
if (event->type == GDK_3BUTTON_PRESS) {
if (event->button == 1) {
if (g_last_image)
osm_gps_map_image_remove (map, g_last_image);
}
if (event->button == 3) {
osm_gps_map_track_remove(map, othertrack);
}
}
if (event->type == GDK_2BUTTON_PRESS) {
osm_gps_map_convert_screen_to_geographic(map, event->x, event->y, &coord);
osm_gps_map_point_get_degrees(&coord, &lat, &lon);
if (event->button == 1) {
osm_gps_map_gps_add (map,
lat,
lon,
g_random_double_range(0,360));
}
if (event->button == 3) {
osm_gps_map_track_add_point(othertrack, &coord);
}
}
if (event->type == GDK_BUTTON_PRESS) {
if (event->button == 2) {
osm_gps_map_convert_screen_to_geographic(map, event->x, event->y, &coord);
osm_gps_map_point_get_degrees(&coord, &lat, &lon);
g_last_image = osm_gps_map_image_add (
map,
lat,
lon,
g_star_image);
}
}
return FALSE;
}
static gboolean
screen_saver_floater_should_come_on_screen (ScreenSaver *screen_saver,
ScreenSaverFloater *floater,
gdouble performance_ratio,
gdouble *duration)
{
if (!screen_saver_floater_is_off_canvas (screen_saver, floater))
return FALSE;
if ((abs (performance_ratio - .5) >= G_MINDOUBLE) &&
(g_random_double () > .5))
{
if (duration)
*duration = g_random_double_range (3.0, 7.0);
return TRUE;
}
return FALSE;
}
static void
add_actor (ClutterContainer *container)
{
ClutterActor *rect;
ClutterColor color = { 0xff, 0xff, 0xff, 255 };
static gboolean expand = TRUE;
clutter_color_from_hls (&color,
g_random_double_range (0.0, 360.0), 0.5, 0.5);
rect = clutter_rectangle_new_with_color (&color);
clutter_actor_set_size (rect, 32, 64);
clutter_container_add_actor (container, rect);
clutter_actor_set_reactive (rect, TRUE);
g_signal_connect (rect, "enter-event", G_CALLBACK (enter_event), NULL);
g_signal_connect (rect, "leave-event", G_CALLBACK (leave_event), NULL);
g_signal_connect (rect, "button-release-event",
G_CALLBACK (button_release_event), container);
clutter_container_child_set (container, rect, "expand", expand, NULL);
expand = !expand;
}
static Path *
screen_saver_floater_create_path (ScreenSaver *screen_saver,
ScreenSaverFloater *floater)
{
gdouble performance_ratio;
gdouble duration;
performance_ratio =
screen_saver_get_frames_per_second (screen_saver) / OPTIMAL_FRAME_RATE;
if (abs (performance_ratio) <= G_MINDOUBLE)
performance_ratio = 1.0;
if (screen_saver_floater_should_bubble_up (screen_saver, floater, performance_ratio, &duration))
return screen_saver_floater_create_path_to_bubble_up (screen_saver, floater, duration);
if (screen_saver_floater_should_come_on_screen (screen_saver, floater, performance_ratio, &duration))
return screen_saver_floater_create_path_to_on_screen (screen_saver, floater, duration);
return screen_saver_floater_create_path_to_random_point (screen_saver, floater,
g_random_double_range (3.0, 7.0));
}
static gboolean
on_button_press_event (GtkWidget *widget, GdkEventButton *event, gpointer user_data)
{
OsmGpsMapPoint coord;
float lat, lon;
OsmGpsMap *map = OSM_GPS_MAP(widget);
double dist;
double lat1,lon1;
if (event->type == GDK_2BUTTON_PRESS) {
osm_gps_map_convert_screen_to_geographic(map, event->x, event->y, &coord);
osm_gps_map_point_get_degrees(&coord, &lat, &lon);
fprintf(stderr, "lat %f lon %f\n",lat,lon);
lat1=(double)lat;
lon1=(double)lon;
//send the function using last latitude,longitude and present latitude and longitude
if(k==0)
{
k=1;
dist=distance(0,0);
fprintf(stderr, "distance betwwn two points %f", dist);
lastlat=lat1;
lastlon=lon1;
}
else
{
dist=distance(lat1,lon1);
fprintf(stderr, "distance betwwn two points %f", dist);
//i=i+1;
}
if (event->button == 1) {
osm_gps_map_gps_add (map,lat,lon,g_random_double_range(0,360));
}
}
return FALSE;
}
gdouble
gimp_paint_options_get_dynamic_hardness (GimpPaintOptions *paint_options,
const GimpCoords *coords)
{
gdouble hardness = 1.0;
g_return_val_if_fail (GIMP_IS_PAINT_OPTIONS (paint_options), 1.0);
g_return_val_if_fail (coords != NULL, 1.0);
if (paint_options->pressure_options->hardness ||
paint_options->velocity_options->hardness ||
paint_options->random_options->hardness)
{
gdouble pressure = -1.0;
gdouble velocity = -1.0;
gdouble random = -1.0;
if (paint_options->pressure_options->hardness)
pressure = GIMP_PAINT_PRESSURE_SCALE * coords->pressure;
if (paint_options->velocity_options->hardness)
velocity = GIMP_PAINT_VELOCITY_SCALE * (1 - coords->velocity);
if (paint_options->random_options->hardness)
random = g_random_double_range (0.0, 1.0);
hardness = gimp_paint_options_get_dynamics_mix (pressure,
paint_options->pressure_options->prescale,
velocity,
paint_options->velocity_options->prescale,
random,
paint_options->random_options->prescale);
}
return hardness;
}
static inline gdouble
drand (void)
{
return g_random_double_range (-1, 1);
}
int
main (int argc, char **argv)
{
const ClutterColor transp = { 0x00, 0x00, 0x00, 0x00 };
const ClutterColor bg_color = { 0xe0, 0xf2, 0xfc, 0xff };
ClutterTimeline *timeline;
ClutterActor *stage;
gint i;
if (clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
return 1;
stage = clutter_stage_new ();
clutter_stage_set_title (CLUTTER_STAGE (stage), "Circles");
clutter_stage_set_color (CLUTTER_STAGE (stage), &bg_color);
clutter_actor_set_size (stage, SCREEN_W, SCREEN_H);
g_signal_connect (stage, "destroy", G_CALLBACK (clutter_main_quit), NULL);
timeline = clutter_timeline_new (5000);
clutter_timeline_set_loop (timeline, TRUE);
for (i = 0; i < N_CIRCLES; i++)
{
gint size;
gdouble *angle;
ClutterActor *actor;
ClutterAlpha *alpha;
ClutterBehaviour *behaviour;
actor = clutter_rectangle_new_with_color (&transp);
size = (i + 1) * (CIRCLE_W + CIRCLE_G) * 2;
clutter_actor_set_size (actor, size, size);
clutter_actor_set_position (actor,
SCREEN_W - size / 2.0,
SCREEN_H - size / 2.0);
clutter_container_add_actor (CLUTTER_CONTAINER (stage), actor);
angle = g_slice_new (gdouble);
*angle = g_random_double_range (0.0, 90.0);
g_object_set_data (G_OBJECT (actor), "angle", angle);
g_signal_connect (actor, "paint", G_CALLBACK (circle_paint_cb), NULL);
/* Animate */
alpha = clutter_alpha_new_full (timeline, CLUTTER_LINEAR);
behaviour = clutter_behaviour_rotate_new (alpha, CLUTTER_Z_AXIS,
(i % 2) ? CLUTTER_ROTATE_CW
: CLUTTER_ROTATE_CCW,
0.0, 0.0);
clutter_behaviour_rotate_set_center (CLUTTER_BEHAVIOUR_ROTATE (behaviour),
size / 2,
size / 2,
0);
clutter_behaviour_apply (behaviour, actor);
}
ClutterActor *actor2 = clutter_group_new();
clutter_container_add_actor (CLUTTER_CONTAINER (stage), actor2);
clutter_actor_set_position(actor2, 10, 10);
ClutterEffect *effect2 = nineslice_effect_new_from_source(source);
clutter_actor_add_effect(actor2, effect2);
ClutterActor *actor = clutter_group_new();
clutter_container_add_actor (CLUTTER_CONTAINER (actor2), actor);
ClutterEffect *effect = nineslice_effect_new_from_source(source);
clutter_actor_add_effect(actor, effect);
ClutterActor *text = clutter_text_new_with_text("Sans 40px","Example Text");
clutter_actor_set_position(text, 0, 0);
clutter_container_add_actor (CLUTTER_CONTAINER (actor), text);
ClutterActor *rect = clutter_rectangle_new();
clutter_actor_set_position(rect, 10, 100);
clutter_actor_set_size(rect, 50, 50);
clutter_container_add_actor (CLUTTER_CONTAINER (actor), rect);
clutter_actor_set_position(actor, 200, 100);
//clutter_actor_set_rotation(actor, CLUTTER_Z_AXIS, 30.0, 130, 50, 0);
/*
GValue cvalue = G_VALUE_INIT;
g_value_init(&cvalue, CLUTTER_TYPE_ACTOR_BOX);
g_value_set_boxed(&cvalue, clutter_actor_box_new(0.0, 0.0, 0.0, 0.0));
GValue ovalue = G_VALUE_INIT;
g_value_init(&ovalue, CLUTTER_TYPE_ACTOR_BOX);
g_value_set_boxed(&ovalue, clutter_actor_box_new(50.0, 50.0, 50.0, 50.0));
ClutterState *transition = clutter_state_new();
clutter_state_set_duration(transition, NULL, NULL, 5000);
clutter_state_set_key (transition, NULL, "close", G_OBJECT(effect), "padding", CLUTTER_LINEAR, &cvalue, 0.0, 0.0);
clutter_state_set_key (transition, NULL, "open", G_OBJECT(effect), "padding", CLUTTER_LINEAR, &ovalue, 0.0, 0.0);
//clutter_state_set(transition, NULL, "close", effect, "padding_right", CLUTTER_LINEAR, 0.0, NULL);
//clutter_state_set(transition, NULL, "open", effect, "padding_right", CLUTTER_LINEAR, 50.0, NULL);
clutter_state_warp_to_state(transition, "close");
clutter_state_set_state(transition, "open");
*/
clutter_actor_animate(rect, CLUTTER_LINEAR, 5000, "height", 200.0, NULL);
clutter_actor_show_all (stage);
clutter_timeline_start (timeline);
clutter_main ();
return 0;
}
