140    png_ptr->transformations |= PNG_COMPOSE | PNG_STRIP_ALPHA;  in png_set_background_fixed()
378       if ((png_ptr->transformations & PNG_COMPOSE) != 0)  in png_set_alpha_mode_fixed()
382       png_ptr->transformations |= PNG_COMPOSE;  in png_set_alpha_mode_fixed()
1147          png_ptr->transformations &= ~(PNG_COMPOSE | PNG_BACKGROUND_EXPAND);  in png_init_palette_transformations()
1214          png_ptr->transformations &= ~(PNG_COMPOSE | PNG_BACKGROUND_EXPAND);  in png_init_rgb_transformations()
1381        (png_ptr->transformations & PNG_COMPOSE) == 0)  in png_init_read_transformations()
1448    else if ((png_ptr->transformations & PNG_COMPOSE) != 0)  in png_init_read_transformations()
1488        (png_ptr->transformations & PNG_COMPOSE) != 0 &&  in png_init_read_transformations()
1515        (png_ptr->transformations & PNG_COMPOSE) != 0 &&  in png_init_read_transformations()
1564         ((png_ptr->transformations & PNG_COMPOSE) != 0 &&  in png_init_read_transformations()
1577       if ((png_ptr->transformations & PNG_COMPOSE) != 0)  in png_init_read_transformations()
1712             png_ptr->transformations &= ~(PNG_COMPOSE | PNG_GAMMA);  in png_init_read_transformations()
1837    if ((png_ptr->transformations & PNG_COMPOSE) != 0 &&  in png_init_read_transformations()
1870       png_ptr->transformations &= ~PNG_COMPOSE;  in png_init_read_transformations()
1971    if ((png_ptr->transformations & PNG_COMPOSE) != 0)  in png_read_transform_info()
4761        (png_ptr->transformations & PNG_COMPOSE) == 0 &&  in png_do_read_transformations()
4831    if ((png_ptr->transformations & PNG_COMPOSE) != 0)  in png_do_read_transformations()
4846        !((png_ptr->transformations & PNG_COMPOSE) != 0 &&  in png_do_read_transformations()
4859        (png_ptr->transformations & PNG_COMPOSE) != 0 &&  in png_do_read_transformations()