109    png_ptr->transformations |= PNG_COMPOSE | PNG_STRIP_ALPHA;  in png_set_background_fixed()
340       if (png_ptr->transformations & PNG_COMPOSE)  in png_set_alpha_mode_fixed()
344       png_ptr->transformations |= PNG_COMPOSE;  in png_set_alpha_mode_fixed()
1115          png_ptr->transformations &= ~(PNG_COMPOSE | PNG_BACKGROUND_EXPAND);  in png_init_palette_transformations()
1182          png_ptr->transformations &= ~(PNG_COMPOSE | PNG_BACKGROUND_EXPAND);  in png_init_rgb_transformations()
1346       !(png_ptr->transformations & PNG_COMPOSE))  in png_init_read_transformations()
1406    else if (png_ptr->transformations & PNG_COMPOSE)  in png_init_read_transformations()
1445       (png_ptr->transformations & PNG_COMPOSE) &&  in png_init_read_transformations()
1472       (png_ptr->transformations & PNG_COMPOSE) &&  in png_init_read_transformations()
1521       || ((png_ptr->transformations & PNG_COMPOSE)  in png_init_read_transformations()
1535       if (png_ptr->transformations & PNG_COMPOSE)  in png_init_read_transformations()
1670             png_ptr->transformations &= ~(PNG_COMPOSE | PNG_GAMMA);  in png_init_read_transformations()
1794    if ((png_ptr->transformations & PNG_COMPOSE) &&  in png_init_read_transformations()
1827       png_ptr->transformations &= ~PNG_COMPOSE;  in png_init_read_transformations()
1922    if (png_ptr->transformations & PNG_COMPOSE)  in png_read_transform_info()
2133       !(png_ptr->transformations & PNG_COMPOSE) &&  in png_do_read_transformations()
2203    if (png_ptr->transformations & PNG_COMPOSE)  in png_do_read_transformations()
2218        !((png_ptr->transformations & PNG_COMPOSE) &&  in png_do_read_transformations()
2231       (png_ptr->transformations & PNG_COMPOSE) &&  in png_do_read_transformations()