From bdeb7f77f16b1e482904866ff21e43f8bfc01bb0 Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Sat, 31 May 2014 07:32:09 +0200 Subject: move files around MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- src/edid.c | 79 -------------------------------------------------------------- 1 file changed, 79 deletions(-) delete mode 100644 src/edid.c (limited to 'src/edid.c') diff --git a/src/edid.c b/src/edid.c deleted file mode 100644 index 76867c7..0000000 --- a/src/edid.c +++ /dev/null @@ -1,79 +0,0 @@ -/** - * libgamma — Display server abstraction layer for gamma ramp adjustments - * Copyright © 2014 Mattias Andrée (maandree@member.fsf.org) - * - * This library is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this library. If not, see . - */ -#include "edid.h" - -#include "libgamma-method.h" -#include "libgamma-error.h" - -#include - - -/** - * Parse the EDID of a monitor. - * - * @param this Instance of a data structure to fill with the information about the EDID. - * It must contain the EDID and its length. - * @param feilds OR:ed identifiers for the information about the EDID that should be parsed. - * Fields that do not have to do with EDID are ignored. - * @return Non-zero on error. - */ -int libgamma_parse_edid(libgamma_crtc_information_t* restrict this, int32_t fields) -{ -#define __test_version(edid, major, minor) (((edid)[18] == major) && ((edid)[19] == minor)) - - int error = 0; - int checksum = 0; - size_t i; - - if (this->edid_length != 128) - error = LIBGAMMA_EDID_LENGTH_UNSUPPORTED; - else if ((this->edid[0] != 0x00) || (this->edid[1] != 0xFF) || (this->edid[2] != 0xFF) || (this->edid[3] != 0xFF) || - (this->edid[4] != 0xFF) || (this->edid[5] != 0xFF) || (this->edid[6] != 0xFF) || (this->edid[7] != 0x00)) - error = LIBGAMMA_EDID_WRONG_MAGIC_NUMBER; - else if (__test_version(this->edid, 1, 3) == 0) - error = LIBGAMMA_EDID_REVISION_UNSUPPORTED; - - this->width_mm_edid_error = this->height_mm_edid_error = this->gamma_error = error; - - this->width_mm_edid = (size_t)(this->edid[21]) * 10; - this->height_mm_edid = (size_t)(this->edid[22]) * 10; - - if ((fields & LIBGAMMA_CRTC_INFO_GAMMA) && (error == 0)) - { - if (this->edid[23] == 0xFF) - this->gamma_error = LIBGAMMA_GAMMA_NOT_SPECIFIED; - else - this->gamma_red = this->gamma_green = this->gamma_blue = (float)((int)(this->edid[23]) + 100) / 100.f; - } - - if (error == 0) - for (i = 0; i < this->edid_length; i++) - checksum += (int)(this->edid[i]); - if ((checksum & 255)) - { - error = LIBGAMMA_EDID_CHECKSUM_ERROR; - this->edid_error = this->width_mm_edid_error = this->height_mm_edid_error = error; - this->gamma_error = this->gamma_error == LIBGAMMA_GAMMA_NOT_SPECIFIED - ? LIBGAMMA_GAMMA_NOT_SPECIFIED_AND_EDID_CHECKSUM_ERROR : 0; - } - - return error | this->gamma_error; - -#undef __test_version -} - -- cgit v1.2.3-70-g09d2