bitmapsource.c

static void bitmap_source_release_content(ALLEGRO_GC_BITMAPSOURCE *bitmap_source)
{
    if ( bitmap_source->type == BS_NORMAL )
    {
        if ( bitmap_source->name_to_bitmap )
        {
            /* free string key */
            AL_AATREE_ITERATOR* iterator = al_aa_begin(bitmap_source->name_to_bitmap);
            while (iterator && al_aa_next(iterator)) 
            {
                al_free((void*)(iterator->current_node.key));
                al_destroy_bitmap((ALLEGRO_BITMAP*)iterator->current_node.value);
            }
            al_aa_end(iterator);
            
            al_aa_free(bitmap_source->name_to_bitmap);
            bitmap_source->name_to_bitmap = NULL;
        }
    }
    else 
    {
        if ( bitmap_source->keyframes )
        {
            size_t i;
            for(i = 0; i < al_vector_size(bitmap_source->keyframes); ++i )
            {
                KEYFRAME** pp_keyframe = (KEYFRAME**)al_vector_ref(bitmap_source->keyframes, i);
                KEYFRAME* keyframe = *pp_keyframe;
                al_destroy_bitmap(keyframe->bitmap);
                al_free(keyframe);
            }
            
            al_vector_free(bitmap_source->keyframes);
            bitmap_source->keyframes = NULL;
        }
    }
    
    bitmap_source->time_scale = 1.0f;
    bitmap_source->elapsed_time = 0;
    bitmap_source->loop = false;
    bitmap_source->current_index = 0;
}