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expo: Support setting the size and bounds of an object

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Add a function to allow the size of an object to be set independently
of its position.

Also add a function to permit the object's bounding box to be set
independently of its dimensions.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2025-05-02 08:46:35 -06:00
parent baaf090734
commit e3c3f83cb6
3 changed files with 64 additions and 0 deletions
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29
boot/scene.c
View File

@ -235,6 +235,35 @@ int scene_obj_set_size(struct scene *scn, uint id, int w, int h)
return 0;
}
int scene_obj_set_width(struct scene *scn, uint id, int w)
{
struct scene_obj *obj;
obj = scene_obj_find(scn, id, SCENEOBJT_NONE);
if (!obj)
return log_msg_ret("find", -ENOENT);
obj->bbox.x1 = obj->bbox.x0 + w;
return 0;
}
int scene_obj_set_bbox(struct scene *scn, uint id, int x0, int y0, int x1,
int y1)
{
struct scene_obj *obj;
obj = scene_obj_find(scn, id, SCENEOBJT_NONE);
if (!obj)
return log_msg_ret("find", -ENOENT);
obj->bbox.x0 = x0;
obj->bbox.y0 = y0;
obj->bbox.x1 = x1;
obj->bbox.y1 = y1;
obj->flags |= SCENEOF_SIZE_VALID;
return 0;
}
int scene_obj_set_hide(struct scene *scn, uint id, bool hide)
{
int ret;

24
include/expo.h
View File

@ -673,6 +673,30 @@ int scene_obj_set_pos(struct scene *scn, uint id, int x, int y);
*/
int scene_obj_set_size(struct scene *scn, uint id, int w, int h);
/**
* scene_obj_set_width() - Set the width of an object
*
* @scn: Scene to update
* @id: ID of object to update
* @w: width in pixels
* Returns: 0 if OK, -ENOENT if @id is invalid
*/
int scene_obj_set_width(struct scene *scn, uint id, int w);
/**
* scene_obj_set_bbox() - Set the bounding box of an object
*
* @scn: Scene to update
* @id: ID of object to update
* @x0: x position, in pixels from left side
* @y0: y position, in pixels from top
* @x1: ending x position (right side)
* @y1: ending y position (botton side)
* Returns: 0 if OK, -ENOENT if @id is invalid
*/
int scene_obj_set_bbox(struct scene *scn, uint id, int x0, int y0, int x1,
int y1);
/**
* scene_obj_set_hide() - Set whether an object is hidden
*

11
test/boot/expo.c
View File

@ -584,6 +584,17 @@ static int expo_render_image(struct unit_test_state *uts)
ut_asserteq(50 + 160, obj->bbox.x1);
ut_asserteq(400 + 160, obj->bbox.y1);
scene_obj_set_width(scn, OBJ_MENU, 170);
ut_asserteq(50 + 170, obj->bbox.x1);
scene_obj_set_bbox(scn, OBJ_MENU, 60, 410, 50 + 160, 400 + 160);
ut_asserteq(60, obj->bbox.x0);
ut_asserteq(410, obj->bbox.y0);
ut_asserteq(50 + 160, obj->bbox.x1);
ut_asserteq(400 + 160, obj->bbox.y1);
/* reset back to normal */
scene_obj_set_bbox(scn, OBJ_MENU, 50, 400, 50 + 160, 400 + 160);
/* render it */
expo_set_scene_id(exp, SCENE1);
ut_assertok(expo_render(exp));