1761    const int output_encoding = (image->format & PNG_FORMAT_FLAG_LINEAR) != 0 ?  in png_create_colormap_entry()  local
1791       if (convert_to_Y != 0 || output_encoding == P_LINEAR)  in png_create_colormap_entry()
1819        (convert_to_Y  != 0 || output_encoding == P_LINEAR))  in png_create_colormap_entry()
1840          if (output_encoding == P_LINEAR)  in png_create_colormap_entry()
1856       else if (output_encoding == P_sRGB)  in png_create_colormap_entry()
1866    if (encoding != output_encoding)  in png_create_colormap_entry()
1883       if (output_encoding == P_LINEAR)  in png_create_colormap_entry()
2092    const int output_encoding = (output_format & PNG_FORMAT_FLAG_LINEAR) != 0 ?  in png_image_read_colormap()  local
2117       if (output_encoding == P_LINEAR) /* compose on black */  in png_image_read_colormap()
2141    else if (output_encoding == P_LINEAR)  in png_image_read_colormap()
2199                   back_alpha = output_encoding == P_LINEAR ? 65535 : 255;  in png_image_read_colormap()
2229                       back_alpha, output_encoding);  in png_image_read_colormap()
2286                      if (output_encoding == P_LINEAR)  in png_image_read_colormap()
2320                   back_alpha = output_encoding == P_LINEAR ? 65535 : 255;  in png_image_read_colormap()
2339                    back_alpha, output_encoding);  in png_image_read_colormap()
2401                if (output_encoding == P_LINEAR)  in png_image_read_colormap()
2451                     output_encoding == P_LINEAR ? 65535U : 255U,  in png_image_read_colormap()
2453                     output_encoding);  in png_image_read_colormap()
2463                if (output_encoding == P_sRGB) /* else already linear */  in png_image_read_colormap()
2591                      if (output_encoding == P_sRGB)  in png_image_read_colormap()
2601                          back_g, 0/*unused*/, output_encoding);  in png_image_read_colormap()
2604                   else if (output_encoding == P_LINEAR)  in png_image_read_colormap()
2709                       back_g, back_b, 0/*unused*/, output_encoding);  in png_image_read_colormap()
2711                   if (output_encoding == P_LINEAR)  in png_image_read_colormap()
2752                                       back_r, output_encoding),  in png_image_read_colormap()
2754                                       back_g, output_encoding),  in png_image_read_colormap()
2756                                       back_b, output_encoding),  in png_image_read_colormap()
2757                                   0/*unused*/, output_encoding);  in png_image_read_colormap()
2828                          back_b, 0, output_encoding);  in png_image_read_colormap()
2837                              P_FILE, trans[i], back_r, output_encoding),  in png_image_read_colormap()
2839                              P_FILE, trans[i], back_g, output_encoding),  in png_image_read_colormap()
2841                              P_FILE, trans[i], back_b, output_encoding),  in png_image_read_colormap()
2842                          output_encoding == P_LINEAR ? trans[i] * 257U :  in png_image_read_colormap()
2844                          output_encoding);  in png_image_read_colormap()