147 static int RShift, GShift, BShift;  variable
524         RShift = 15 - rpng_x_msb(RMask);    /* these are right-shifts */  in rpng_x_create_window()
530         RShift = rpng_x_msb(RMask) - 7;     /* these are left-shifts */  in rpng_x_create_window()
534         RShift = 7 - rpng_x_msb(RMask);     /* these are right-shifts, too */  in rpng_x_create_window()
539     if (depth >= 15 && (RShift < 0 || GShift < 0 || BShift < 0)) {  in rpng_x_create_window()
621         bg_pixel = ((ulg)bg_red   << RShift) |  in rpng_x_create_window()
625         bg_pixel = ((((ulg)bg_red   << 8) >> RShift) & RMask) |  in rpng_x_create_window()
724                     pixel = (red   << RShift) |  in rpng_x_display_image()
734                     red   = (RShift < 0)? red   << (-RShift) : red   >> RShift;  in rpng_x_display_image()
767                     pixel = (red   << RShift) |  in rpng_x_display_image()
800                     pixel = ((red   >> RShift) & RMask) |  in rpng_x_display_image()
832                     pixel = ((red   >> RShift) & RMask) |  in rpng_x_display_image()