OBS/obs-studio
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libobs: Add API to hide/show scene items

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This commit is contained in:
jp9000 2015-03-22 20:28:27 -07:00
parent f109be3010
commit 0d8ae565f2
2 changed files with 37 additions and 4 deletions
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38
libobs/obs-scene.c
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@ -24,6 +24,7 @@ static const char *obs_scene_signals[] = {
"void item_add(ptr scene, ptr item)",
"void item_remove(ptr scene, ptr item)",
"void reorder(ptr scene)",
"void item_visible(ptr scene, ptr item, bool visible)",
"void item_select(ptr scene, ptr item)",
"void item_deselect(ptr scene, ptr item)",
"void item_transform(ptr scene, ptr item)",
@ -321,10 +322,12 @@ static void scene_video_render(void *data, gs_effect_t *effect)
if (source_size_changed(item))
update_item_transform(item);
gs_matrix_push();
gs_matrix_mul(&item->draw_transform);
obs_source_video_render(item->source);
gs_matrix_pop();
if (item->visible) {
gs_matrix_push();
gs_matrix_mul(&item->draw_transform);
obs_source_video_render(item->source);
gs_matrix_pop();
}
item = item->next;
}
@ -924,3 +927,30 @@ void obs_sceneitem_get_box_transform(const obs_sceneitem_t *item,
if (item)
matrix4_copy(transform, &item->box_transform);
}
bool obs_sceneitem_visible(const obs_sceneitem_t *item)
{
return item ? item->visible : false;
}
void obs_sceneitem_set_visible(obs_sceneitem_t *item, bool visible)
{
struct calldata cd = {0};
if (!item)
return;
item->visible = visible;
if (!item->parent)
return;
calldata_set_ptr(&cd, "scene", item->parent);
calldata_set_ptr(&cd, "item", item);
calldata_set_bool(&cd, "visible", visible);
signal_handler_signal(item->parent->source->context.signals,
"item_visible", &cd);
calldata_free(&cd);
}

3
libobs/obs.h
View file

@ -1043,6 +1043,9 @@ EXPORT void obs_sceneitem_get_draw_transform(const obs_sceneitem_t *item,
EXPORT void obs_sceneitem_get_box_transform(const obs_sceneitem_t *item,
struct matrix4 *transform);
EXPORT bool obs_sceneitem_visible(const obs_sceneitem_t *item);
EXPORT void obs_sceneitem_set_visible(obs_sceneitem_t *item, bool visible);
/* ------------------------------------------------------------------------- */
/* Outputs */