brl/mutter
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

cookbook: Renamed front/back to top/bottom in cross-fade example

Browse Source 
Front/back seems like the wrong terminology when discussing
actors arranged in layers. Top/bottom fits better with Clutter
API function names and other recipes, so renamed variables.
This commit is contained in:
Elliot Smith
2010-08-17 11:51:33 +01:00
parent 1e4578d1dd
commit 8c0c2924ae
2 changed files with 41 additions and 41 deletions
Download Patch File Download Diff File Expand all files Collapse all files

38
doc/cookbook/examples/textures-crossfade.c
View File

@ -70,7 +70,7 @@ main (int argc, char *argv[])
ClutterActor *stage;
ClutterLayoutManager *layout;
ClutterActor *box;
ClutterActor *front, *back;
ClutterActor *top, *bottom;
ClutterState *transitions;
clutter_init (&argc, &argv);
@ -87,36 +87,36 @@ main (int argc, char *argv[])
box = clutter_box_new (layout);
clutter_actor_set_size (box, 600, 600);
back = clutter_texture_new ();
front = clutter_texture_new ();
bottom = clutter_texture_new ();
top = clutter_texture_new ();
clutter_container_add_actor (CLUTTER_CONTAINER (box), back);
clutter_container_add_actor (CLUTTER_CONTAINER (box), front);
clutter_container_add_actor (CLUTTER_CONTAINER (box), bottom);
clutter_container_add_actor (CLUTTER_CONTAINER (box), top);
clutter_container_add_actor (CLUTTER_CONTAINER (stage), box);
/* load the first image into the back */
load_image (CLUTTER_TEXTURE (back), source);
/* load the first image into the bottom */
load_image (CLUTTER_TEXTURE (bottom), source);
/* load the second image into the front */
load_image (CLUTTER_TEXTURE (front), target);
/* load the second image into the top */
load_image (CLUTTER_TEXTURE (top), target);
/* animations */
transitions = clutter_state_new ();
clutter_state_set (transitions, NULL, "show-back",
front, "opacity", CLUTTER_LINEAR, 0,
back, "opacity", CLUTTER_LINEAR, 255,
clutter_state_set (transitions, NULL, "show-bottom",
top, "opacity", CLUTTER_LINEAR, 0,
bottom, "opacity", CLUTTER_LINEAR, 255,
NULL);
clutter_state_set (transitions, NULL, "show-front",
front, "opacity", CLUTTER_EASE_IN_CUBIC, 255,
back, "opacity", CLUTTER_EASE_IN_CUBIC, 0,
clutter_state_set (transitions, NULL, "show-top",
top, "opacity", CLUTTER_EASE_IN_CUBIC, 255,
bottom, "opacity", CLUTTER_EASE_IN_CUBIC, 0,
NULL);
clutter_state_set_duration (transitions, NULL, NULL, duration);
/* make the back opaque and front transparent */
clutter_state_warp_to_state (transitions, "show-back");
/* make the bottom opaque and top transparent */
clutter_state_warp_to_state (transitions, "show-bottom");
/* fade in the front texture and fade out the back texture */
clutter_state_set_state (transitions, "show-front");
/* fade in the top texture and fade out the bottom texture */
clutter_state_set_state (transitions, "show-top");
clutter_actor_show (stage);