1552             png_color back, back_1;  in png_init_read_transformations()  local
1563                back_1.red = png_ptr->gamma_to_1[png_ptr->background.red];  in png_init_read_transformations()
1564                back_1.green = png_ptr->gamma_to_1[png_ptr->background.green];  in png_init_read_transformations()
1565                back_1.blue = png_ptr->gamma_to_1[png_ptr->background.blue];  in png_init_read_transformations()
1614                   back_1.red = png_gamma_8bit_correct(png_ptr->background.red,  in png_init_read_transformations()
1616                   back_1.green = png_gamma_8bit_correct(  in png_init_read_transformations()
1618                   back_1.blue = png_gamma_8bit_correct(png_ptr->background.blue,  in png_init_read_transformations()
1624                   back_1.red   = (png_byte)png_ptr->background.red;  in png_init_read_transformations()
1625                   back_1.green = (png_byte)png_ptr->background.green;  in png_init_read_transformations()
1626                   back_1.blue  = (png_byte)png_ptr->background.blue;  in png_init_read_transformations()
1644                      png_composite(w, v, png_ptr->trans_alpha[i], back_1.red);  in png_init_read_transformations()
1648                      png_composite(w, v, png_ptr->trans_alpha[i], back_1.green);  in png_init_read_transformations()
1652                      png_composite(w, v, png_ptr->trans_alpha[i], back_1.blue);  in png_init_read_transformations()