mirror of
https://github.com/brl/mutter.git
synced 2024-11-23 16:40:41 -05:00
111 lines
3.5 KiB
C
111 lines
3.5 KiB
C
#include <stdlib.h>
|
|
#include <gdk-pixbuf/gdk-pixbuf.h>
|
|
#include <clutter/clutter.h>
|
|
|
|
static const struct {
|
|
ClutterContentGravity gravity;
|
|
const char *name;
|
|
} gravities[] = {
|
|
{ CLUTTER_CONTENT_GRAVITY_TOP_LEFT, "Top Left" },
|
|
{ CLUTTER_CONTENT_GRAVITY_TOP, "Top" },
|
|
{ CLUTTER_CONTENT_GRAVITY_TOP_RIGHT, "Top Right" },
|
|
|
|
{ CLUTTER_CONTENT_GRAVITY_LEFT, "Left" },
|
|
{ CLUTTER_CONTENT_GRAVITY_CENTER, "Center" },
|
|
{ CLUTTER_CONTENT_GRAVITY_RIGHT, "Right" },
|
|
|
|
{ CLUTTER_CONTENT_GRAVITY_BOTTOM_LEFT, "Bottom Left" },
|
|
{ CLUTTER_CONTENT_GRAVITY_BOTTOM, "Bottom" },
|
|
{ CLUTTER_CONTENT_GRAVITY_BOTTOM_RIGHT, "Bottom Right" },
|
|
|
|
{ CLUTTER_CONTENT_GRAVITY_RESIZE_FILL, "Resize Fill" },
|
|
{ CLUTTER_CONTENT_GRAVITY_RESIZE_ASPECT, "Resize Aspect" },
|
|
};
|
|
|
|
static int n_gravities = G_N_ELEMENTS (gravities);
|
|
static int cur_gravity = 0;
|
|
|
|
static void
|
|
on_tap (ClutterTapAction *action,
|
|
ClutterActor *actor,
|
|
ClutterText *label)
|
|
{
|
|
gchar *str;
|
|
|
|
clutter_actor_save_easing_state (actor);
|
|
clutter_actor_set_content_gravity (actor, gravities[cur_gravity].gravity);
|
|
clutter_actor_restore_easing_state (actor);
|
|
|
|
str = g_strconcat ("Content gravity: ", gravities[cur_gravity].name, NULL);
|
|
clutter_text_set_text (label, str);
|
|
g_free (str);
|
|
|
|
cur_gravity += 1;
|
|
|
|
if (cur_gravity >= n_gravities)
|
|
cur_gravity = 0;
|
|
}
|
|
|
|
int
|
|
main (int argc, char *argv[])
|
|
{
|
|
ClutterActor *stage, *text;
|
|
ClutterContent *image;
|
|
ClutterAction *action;
|
|
GdkPixbuf *pixbuf;
|
|
gchar *str;
|
|
|
|
if (clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
|
|
return EXIT_FAILURE;
|
|
|
|
stage = clutter_stage_new ();
|
|
clutter_actor_set_name (stage, "Stage");
|
|
clutter_stage_set_title (CLUTTER_STAGE (stage), "Content Box");
|
|
clutter_stage_set_user_resizable (CLUTTER_STAGE (stage), TRUE);
|
|
g_signal_connect (stage, "destroy", G_CALLBACK (clutter_main_quit), NULL);
|
|
clutter_actor_set_margin_top (stage, 12);
|
|
clutter_actor_set_margin_right (stage, 12);
|
|
clutter_actor_set_margin_bottom (stage, 12);
|
|
clutter_actor_set_margin_left (stage, 12);
|
|
clutter_actor_show (stage);
|
|
|
|
pixbuf = gdk_pixbuf_new_from_file ("redhand.png", NULL);
|
|
image = clutter_image_new ();
|
|
clutter_image_set_data (CLUTTER_IMAGE (image),
|
|
gdk_pixbuf_get_pixels (pixbuf),
|
|
gdk_pixbuf_get_has_alpha (pixbuf)
|
|
? COGL_PIXEL_FORMAT_RGBA_8888
|
|
: COGL_PIXEL_FORMAT_RGB_888,
|
|
gdk_pixbuf_get_width (pixbuf),
|
|
gdk_pixbuf_get_height (pixbuf),
|
|
gdk_pixbuf_get_rowstride (pixbuf),
|
|
NULL);
|
|
g_object_unref (pixbuf);
|
|
|
|
clutter_actor_set_content_scaling_filters (stage,
|
|
CLUTTER_SCALING_FILTER_TRILINEAR,
|
|
CLUTTER_SCALING_FILTER_LINEAR);
|
|
clutter_actor_set_content_gravity (stage, gravities[n_gravities - 1].gravity);
|
|
clutter_actor_set_content (stage, image);
|
|
g_object_unref (image);
|
|
|
|
str = g_strconcat ("Content gravity: ",
|
|
gravities[n_gravities - 1].name,
|
|
NULL);
|
|
|
|
text = clutter_text_new ();
|
|
clutter_text_set_text (CLUTTER_TEXT (text), str);
|
|
clutter_actor_add_constraint (text, clutter_align_constraint_new (stage, CLUTTER_ALIGN_BOTH, 0.5));
|
|
clutter_actor_add_child (stage, text);
|
|
|
|
g_free (str);
|
|
|
|
action = clutter_tap_action_new ();
|
|
g_signal_connect (action, "tap", G_CALLBACK (on_tap), text);
|
|
clutter_actor_add_action (stage, action);
|
|
|
|
clutter_main ();
|
|
|
|
return EXIT_SUCCESS;
|
|
}
|