1123          if (png_ptr->trans_alpha[i] == 255)  in png_init_palette_transformations()
1125          else if (png_ptr->trans_alpha[i] == 0)  in png_init_palette_transformations()
1181                  png_ptr->trans_alpha[i] = (png_byte)(255 -  in png_init_palette_transformations()
1182                     png_ptr->trans_alpha[i]);  in png_init_palette_transformations()
1675                    png_ptr->trans_alpha[i] != 0xff)  in png_init_read_transformations()
1677                   if (png_ptr->trans_alpha[i] == 0)  in png_init_read_transformations()
1686                      png_composite(w, v, png_ptr->trans_alpha[i], back_1.red);  in png_init_read_transformations()
1690                      png_composite(w, v, png_ptr->trans_alpha[i], back_1.green);  in png_init_read_transformations()
1694                      png_composite(w, v, png_ptr->trans_alpha[i], back_1.blue);  in png_init_read_transformations()
1851          if (png_ptr->trans_alpha[i] == 0)  in png_init_read_transformations()
1856          else if (png_ptr->trans_alpha[i] != 0xff)  in png_init_read_transformations()
1860                 png_ptr->trans_alpha[i], back.red);  in png_init_read_transformations()
1863                 png_ptr->trans_alpha[i], back.green);  in png_init_read_transformations()
1866                 png_ptr->trans_alpha[i], back.blue);  in png_init_read_transformations()
4198    png_const_colorp palette, png_const_bytep trans_alpha, int num_trans)  in png_do_expand_palette()  argument
4308                      *dp-- = trans_alpha[*sp];  in png_do_expand_palette()
4742              png_ptr->palette, png_ptr->trans_alpha, png_ptr->num_trans);  in png_do_read_transformations()