Lines Matching defs:sig_bit
3923 png_byte shift, sig_bit;
3927 sig_bit = png_ptr->sig_bit.red;
3929 if (png_ptr->sig_bit.green > sig_bit)
3930 sig_bit = png_ptr->sig_bit.green;
3932 if (png_ptr->sig_bit.blue > sig_bit)
3933 sig_bit = png_ptr->sig_bit.blue;
3936 sig_bit = png_ptr->sig_bit.gray;
3956 if (sig_bit > 0 && sig_bit < 16U)
3957 shift = (png_byte)(16U - sig_bit); /* shift == insignificant bits */