From 8bc69b4b247f45cdfca18e942bf5a5995265479a Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Sun, 1 Oct 2023 19:13:29 -0600 Subject: expo: Make calculation of an object bounding box generic We want to support this for any object, not just menus. Move the code around to allow this. Signed-off-by: Simon Glass --- boot/scene.c | 45 +++++++++++++++++++++++++++++++++++++++++++++ boot/scene_internal.h | 39 +++++++++++++++++++++++++++++++++++++++ boot/scene_menu.c | 39 +++------------------------------------ 3 files changed, 87 insertions(+), 36 deletions(-) (limited to 'boot') diff --git a/boot/scene.c b/boot/scene.c index 4d7cabd..e98676b 100644 --- a/boot/scene.c +++ b/boot/scene.c @@ -608,6 +608,25 @@ int scene_send_key(struct scene *scn, int key, struct expo_action *event) return 0; } +int scene_obj_calc_bbox(struct scene_obj *obj, struct vidconsole_bbox *bbox, + struct vidconsole_bbox *label_bbox) +{ + switch (obj->type) { + case SCENEOBJT_NONE: + case SCENEOBJT_IMAGE: + case SCENEOBJT_TEXT: + return -ENOSYS; + case SCENEOBJT_MENU: { + struct scene_obj_menu *menu = (struct scene_obj_menu *)obj; + + scene_menu_calc_bbox(menu, bbox, label_bbox); + break; + } + } + + return 0; +} + int scene_calc_dims(struct scene *scn, bool do_menus) { struct scene_obj *obj; @@ -719,3 +738,29 @@ int scene_iter_objs(struct scene *scn, expo_scene_obj_iterator iter, return 0; } + +int scene_bbox_union(struct scene *scn, uint id, int inset, + struct vidconsole_bbox *bbox) +{ + struct scene_obj *obj; + + if (!id) + return 0; + obj = scene_obj_find(scn, id, SCENEOBJT_NONE); + if (!obj) + return log_msg_ret("obj", -ENOENT); + if (bbox->valid) { + bbox->x0 = min(bbox->x0, obj->dim.x - inset); + bbox->y0 = min(bbox->y0, obj->dim.y); + bbox->x1 = max(bbox->x1, obj->dim.x + obj->dim.w + inset); + bbox->y1 = max(bbox->y1, obj->dim.y + obj->dim.h); + } else { + bbox->x0 = obj->dim.x - inset; + bbox->y0 = obj->dim.y; + bbox->x1 = obj->dim.x + obj->dim.w + inset; + bbox->y1 = obj->dim.y + obj->dim.h; + bbox->valid = true; + } + + return 0; +} diff --git a/boot/scene_internal.h b/boot/scene_internal.h index 42efcee..3265088 100644 --- a/boot/scene_internal.h +++ b/boot/scene_internal.h @@ -9,6 +9,8 @@ #ifndef __SCENE_INTERNAL_H #define __SCENE_INTERNAL_H +struct vidconsole_bbox; + typedef int (*expo_scene_obj_iterator)(struct scene_obj *obj, void *priv); /** @@ -246,4 +248,41 @@ struct scene_menitem *scene_menuitem_find(const struct scene_obj_menu *menu, struct scene_menitem *scene_menuitem_find_seq(const struct scene_obj_menu *menu, uint seq); +/** + * scene_bbox_union() - update bouding box with the demensions of an object + * + * Updates @bbox so that it encompasses the bounding box of object @id + * + * @snd: Scene containing object + * @id: Object id + * @inset: Amount of inset to use for width + * @bbox: Bounding box to update + * Return: 0 if OK, -ve on error + */ +int scene_bbox_union(struct scene *scn, uint id, int inset, + struct vidconsole_bbox *bbox); + +/** + * scene_menu_calc_bbox() - Calculate bounding boxes for the menu + * + * @menu: Menu to process + * @bbox: Returns bounding box of menu including prompts + * @label_bbox: Returns bounding box of labels + * Return: 0 if OK, -ve on error + */ +void scene_menu_calc_bbox(struct scene_obj_menu *menu, + struct vidconsole_bbox *bbox, + struct vidconsole_bbox *label_bbox); + +/** + * scene_obj_calc_bbox() - Calculate bounding boxes for an object + * + * @obj: Object to process + * @bbox: Returns bounding box of object including prompts + * @label_bbox: Returns bounding box of labels (active area) + * Return: 0 if OK, -ve on error + */ +int scene_obj_calc_bbox(struct scene_obj *obj, struct vidconsole_bbox *bbox, + struct vidconsole_bbox *label_bbox); + #endif /* __SCENE_INTERNAL_H */ diff --git a/boot/scene_menu.c b/boot/scene_menu.c index e0dcd0a..95c283a 100644 --- a/boot/scene_menu.c +++ b/boot/scene_menu.c @@ -114,42 +114,9 @@ static void menu_point_to_item(struct scene_obj_menu *menu, uint item_id) update_pointers(menu, item_id, true); } -static int scene_bbox_union(struct scene *scn, uint id, int inset, - struct vidconsole_bbox *bbox) -{ - struct scene_obj *obj; - - if (!id) - return 0; - obj = scene_obj_find(scn, id, SCENEOBJT_NONE); - if (!obj) - return log_msg_ret("obj", -ENOENT); - if (bbox->valid) { - bbox->x0 = min(bbox->x0, obj->dim.x - inset); - bbox->y0 = min(bbox->y0, obj->dim.y); - bbox->x1 = max(bbox->x1, obj->dim.x + obj->dim.w + inset); - bbox->y1 = max(bbox->y1, obj->dim.y + obj->dim.h); - } else { - bbox->x0 = obj->dim.x - inset; - bbox->y0 = obj->dim.y; - bbox->x1 = obj->dim.x + obj->dim.w + inset; - bbox->y1 = obj->dim.y + obj->dim.h; - bbox->valid = true; - } - - return 0; -} - -/** - * scene_menu_calc_bbox() - Calculate bounding boxes for the menu - * - * @menu: Menu to process - * @bbox: Returns bounding box of menu including prompts - * @label_bbox: Returns bounding box of labels - */ -static void scene_menu_calc_bbox(struct scene_obj_menu *menu, - struct vidconsole_bbox *bbox, - struct vidconsole_bbox *label_bbox) +void scene_menu_calc_bbox(struct scene_obj_menu *menu, + struct vidconsole_bbox *bbox, + struct vidconsole_bbox *label_bbox) { const struct expo_theme *theme = &menu->obj.scene->expo->theme; const struct scene_menitem *item; -- cgit v1.1