141    png_ptr->transformations |= PNG_COMPOSE | PNG_STRIP_ALPHA;  in png_set_background_fixed()
379       if ((png_ptr->transformations & PNG_COMPOSE) != 0)  in png_set_alpha_mode_fixed()
383       png_ptr->transformations |= PNG_COMPOSE;  in png_set_alpha_mode_fixed()
1150          png_ptr->transformations &= ~(PNG_COMPOSE | PNG_BACKGROUND_EXPAND);  in png_init_palette_transformations()
1217          png_ptr->transformations &= ~(PNG_COMPOSE | PNG_BACKGROUND_EXPAND);  in png_init_rgb_transformations()
1384        (png_ptr->transformations & PNG_COMPOSE) == 0)  in png_init_read_transformations()
1451    else if ((png_ptr->transformations & PNG_COMPOSE) != 0)  in png_init_read_transformations()
1491        (png_ptr->transformations & PNG_COMPOSE) != 0 &&  in png_init_read_transformations()
1518        (png_ptr->transformations & PNG_COMPOSE) != 0 &&  in png_init_read_transformations()
1567         ((png_ptr->transformations & PNG_COMPOSE) != 0 &&  in png_init_read_transformations()
1580       if ((png_ptr->transformations & PNG_COMPOSE) != 0)  in png_init_read_transformations()
1715             png_ptr->transformations &= ~(PNG_COMPOSE | PNG_GAMMA);  in png_init_read_transformations()
1840    if ((png_ptr->transformations & PNG_COMPOSE) != 0 &&  in png_init_read_transformations()
1873       png_ptr->transformations &= ~PNG_COMPOSE;  in png_init_read_transformations()
1974    if ((png_ptr->transformations & PNG_COMPOSE) != 0)  in png_read_transform_info()
4771        (png_ptr->transformations & PNG_COMPOSE) == 0 &&  in png_do_read_transformations()
4841    if ((png_ptr->transformations & PNG_COMPOSE) != 0)  in png_do_read_transformations()
4856        !((png_ptr->transformations & PNG_COMPOSE) != 0 &&  in png_do_read_transformations()
4869        (png_ptr->transformations & PNG_COMPOSE) != 0 &&  in png_do_read_transformations()