Use the prefix 'gamma' for gamma adjustment source files.

1 files changed, 0 insertions, 367 deletions

diff --git a/src/randr.c b/src/randr.c
deleted file mode 100644
index 4ee1756..0000000
--- a/src/randr.c
+++ /dev/null
@@ -1,367 +0,0 @@
-/* randr.c -- X RandR gamma adjustment source
-   This file is part of Redshift.
-
-   Redshift 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.
-
-   Redshift 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 Redshift.  If not, see <http://www.gnu.org/licenses/>.
-
-   Copyright (c) 2010  Jon Lund Steffensen <jonlst@gmail.com>
-*/
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdint.h>
-#include <string.h>
-
-#ifdef ENABLE_NLS
-# include <libintl.h>
-# define _(s) gettext(s)
-#else
-# define _(s) s
-#endif
-
-#include <xcb/xcb.h>
-#include <xcb/randr.h>
-
-#include "randr.h"
-#include "colorramp.h"
-
-
-#define RANDR_VERSION_MAJOR  1
-#define RANDR_VERSION_MINOR  3
-
-
-int
-randr_init(randr_state_t *state, char *args)
-{
-	int screen_num = -1;
-	int crtc_num = -1;
-
-	/* Parse arguments. */
-	while (args != NULL) {
-		char *next_arg = strchr(args, ':');
-		if (next_arg != NULL) *(next_arg++) = '\0';
-
-		char *value = strchr(args, '=');
-		if (value != NULL) *(value++) = '\0';
-
-		if (strcasecmp(args, "screen") == 0) {
-			if (value == NULL) {
-				fprintf(stderr, _("Missing value for"
-						  " parameter: `%s'.\n"),
-					args);
-				return -1;
-			}
-			screen_num = atoi(value);
-		} else if (strcasecmp(args, "crtc") == 0) {
-			if (value == NULL) {
-				fprintf(stderr, _("Missing value for"
-						  " parameter: `%s'.\n"),
-					args);
-				return -1;
-			}
-			crtc_num = atoi(value);
-		} else {
-			fprintf(stderr, _("Unknown method parameter: `%s'.\n"),
-				args);
-			return -1;
-		}
-
-		args = next_arg;
-	}
-
-	xcb_generic_error_t *error;
-
-	/* Open X server connection */
-	int preferred_screen;
-	state->conn = xcb_connect(NULL, &preferred_screen);
-
-	if (screen_num < 0) screen_num = preferred_screen;
-
-	/* Query RandR version */
-	xcb_randr_query_version_cookie_t ver_cookie =
-		xcb_randr_query_version(state->conn, RANDR_VERSION_MAJOR,
-					RANDR_VERSION_MINOR);
-	xcb_randr_query_version_reply_t *ver_reply =
-		xcb_randr_query_version_reply(state->conn, ver_cookie, &error);
-
-	if (error) {
-		fprintf(stderr, _("`%s' returned error %d\n"),
-			"RANDR Query Version", error->error_code);
-		xcb_disconnect(state->conn);
-		return -1;
-	}
-
-	if (ver_reply->major_version < RANDR_VERSION_MAJOR ||
-	    ver_reply->minor_version < RANDR_VERSION_MINOR) {
-		fprintf(stderr, _("Unsupported RANDR version (%u.%u)\n"),
-			ver_reply->major_version, ver_reply->minor_version);
-		free(ver_reply);
-		xcb_disconnect(state->conn);
-		return -1;
-	}
-
-	free(ver_reply);
-
-	/* Get screen */
-	const xcb_setup_t *setup = xcb_get_setup(state->conn);
-	xcb_screen_iterator_t iter = xcb_setup_roots_iterator(setup);
-	state->screen = NULL;
-
-	for (int i = 0; iter.rem > 0; i++) {
-		if (i == screen_num) {
-			state->screen = iter.data;
-			break;
-		}
-		xcb_screen_next(&iter);
-	}
-
-	if (state->screen == NULL) {
-		fprintf(stderr, _("Screen %i could not be found.\n"),
-			screen_num);
-		xcb_disconnect(state->conn);
-		return -1;
-	}
-
-	/* Get list of CRTCs for the screen */
-	xcb_randr_get_screen_resources_current_cookie_t res_cookie =
-		xcb_randr_get_screen_resources_current(state->conn,
-						       state->screen->root);
-	xcb_randr_get_screen_resources_current_reply_t *res_reply =
-		xcb_randr_get_screen_resources_current_reply(state->conn,
-							     res_cookie,
-							     &error);
-
-	if (error) {
-		fprintf(stderr, _("`%s' returned error %d\n"),
-			"RANDR Get Screen Resources Current",
-			error->error_code);
-		xcb_disconnect(state->conn);
-		return -1;
-	}
-
-	state->crtc_num = crtc_num;
-	state->crtc_count = res_reply->num_crtcs;
-	state->crtcs = malloc(state->crtc_count * sizeof(randr_crtc_state_t));
-	if (state->crtcs == NULL) {
-		perror("malloc");
-		xcb_disconnect(state->conn);
-		return -1;
-	}
-
-	xcb_randr_crtc_t *crtcs =
-		xcb_randr_get_screen_resources_current_crtcs(res_reply);
-
-	/* Save CRTC identifier in state */
-	for (int i = 0; i < state->crtc_count; i++) {
-		state->crtcs[i].crtc = crtcs[i];
-	}
-
-	free(res_reply);
-
-	/* Save size and gamma ramps of all CRTCs.
-	   Current gamma ramps are saved so we can restore them
-	   at program exit. */
-	for (int i = 0; i < state->crtc_count; i++) {
-		xcb_randr_crtc_t crtc = state->crtcs[i].crtc;
-
-		/* Request size of gamma ramps */
-		xcb_randr_get_crtc_gamma_size_cookie_t gamma_size_cookie =
-			xcb_randr_get_crtc_gamma_size(state->conn, crtc);
-		xcb_randr_get_crtc_gamma_size_reply_t *gamma_size_reply =
-			xcb_randr_get_crtc_gamma_size_reply(state->conn,
-							    gamma_size_cookie,
-							    &error);
-
-		if (error) {
-			fprintf(stderr, _("`%s' returned error %d\n"),
-				"RANDR Get CRTC Gamma Size",
-				error->error_code);
-			xcb_disconnect(state->conn);
-			return -1;
-		}
-
-		unsigned int ramp_size = gamma_size_reply->size;
-		state->crtcs[i].ramp_size = ramp_size;
-
-		free(gamma_size_reply);
-
-		if (ramp_size == 0) {
-			fprintf(stderr, _("Gamma ramp size too small: %i\n"),
-				ramp_size);
-			xcb_disconnect(state->conn);
-			return -1;
-		}
-
-		/* Request current gamma ramps */
-		xcb_randr_get_crtc_gamma_cookie_t gamma_get_cookie =
-			xcb_randr_get_crtc_gamma(state->conn, crtc);
-		xcb_randr_get_crtc_gamma_reply_t *gamma_get_reply =
-			xcb_randr_get_crtc_gamma_reply(state->conn,
-						       gamma_get_cookie,
-						       &error);
-
-		if (error) {
-			fprintf(stderr, _("`%s' returned error %d\n"),
-				"RANDR Get CRTC Gamma", error->error_code);
-			xcb_disconnect(state->conn);
-			return -1;
-		}
-
-		uint16_t *gamma_r =
-			xcb_randr_get_crtc_gamma_red(gamma_get_reply);
-		uint16_t *gamma_g =
-			xcb_randr_get_crtc_gamma_green(gamma_get_reply);
-		uint16_t *gamma_b =
-			xcb_randr_get_crtc_gamma_blue(gamma_get_reply);
-
-		/* Allocate space for saved gamma ramps */
-		state->crtcs[i].saved_ramps =
-			malloc(3*ramp_size*sizeof(uint16_t));
-		if (state->crtcs[i].saved_ramps == NULL) {
-			perror("malloc");
-			free(gamma_get_reply);
-			xcb_disconnect(state->conn);
-			return -1;
-		}
-
-		/* Copy gamma ramps into CRTC state */
-		memcpy(&state->crtcs[i].saved_ramps[0*ramp_size], gamma_r,
-		       ramp_size*sizeof(uint16_t));
-		memcpy(&state->crtcs[i].saved_ramps[1*ramp_size], gamma_g,
-		       ramp_size*sizeof(uint16_t));
-		memcpy(&state->crtcs[i].saved_ramps[2*ramp_size], gamma_b,
-		       ramp_size*sizeof(uint16_t));
-
-		free(gamma_get_reply);
-	}
-
-	return 0;
-}
-
-void
-randr_restore(randr_state_t *state)
-{
-	xcb_generic_error_t *error;
-
-	/* Restore CRTC gamma ramps */
-	for (int i = 0; i < state->crtc_count; i++) {
-		xcb_randr_crtc_t crtc = state->crtcs[i].crtc;
-
-		unsigned int ramp_size = state->crtcs[i].ramp_size;
-		uint16_t *gamma_r = &state->crtcs[i].saved_ramps[0*ramp_size];
-		uint16_t *gamma_g = &state->crtcs[i].saved_ramps[1*ramp_size];
-		uint16_t *gamma_b = &state->crtcs[i].saved_ramps[2*ramp_size];
-
-		/* Set gamma ramps */
-		xcb_void_cookie_t gamma_set_cookie =
-			xcb_randr_set_crtc_gamma_checked(state->conn, crtc,
-							 ramp_size, gamma_r,
-							 gamma_g, gamma_b);
-		error = xcb_request_check(state->conn, gamma_set_cookie);
-
-		if (error) {
-			fprintf(stderr, _("`%s' returned error %d\n"),
-				"RANDR Set CRTC Gamma", error->error_code);
-			fprintf(stderr, _("Unable to restore CRTC %i\n"), i);
-		}
-	}
-}
-
-void
-randr_free(randr_state_t *state)
-{
-	/* Free CRTC state */
-	for (int i = 0; i < state->crtc_count; i++) {
-		free(state->crtcs[i].saved_ramps);
-	}
-	free(state->crtcs);
-
-	/* Close connection */
-	xcb_disconnect(state->conn);
-}
-
-static int
-randr_set_temperature_for_crtc(randr_state_t *state, int crtc_num, int temp,
-			       float gamma[3])
-{
-	xcb_generic_error_t *error;
-	
-	if (crtc_num >= state->crtc_count || crtc_num < 0) {
-		fprintf(stderr, _("CRTC %d does not exist. "),
-			state->crtc_num);
-		if (state->crtc_count > 1) {
-			fprintf(stderr, _("Valid CRTCs are [0-%d].\n"),
-				state->crtc_count-1);
-		} else {
-			fprintf(stderr, _("Only CRTC 0 exists.\n"));
-		}
-
-		return -1;
-	}
-
-	xcb_randr_crtc_t crtc = state->crtcs[crtc_num].crtc;
-	unsigned int ramp_size = state->crtcs[crtc_num].ramp_size;
-
-	/* Create new gamma ramps */
-	uint16_t *gamma_ramps = malloc(3*ramp_size*sizeof(uint16_t));
-	if (gamma_ramps == NULL) {
-		perror("malloc");
-		return -1;
-	}
-
-	uint16_t *gamma_r = &gamma_ramps[0*ramp_size];
-	uint16_t *gamma_g = &gamma_ramps[1*ramp_size];
-	uint16_t *gamma_b = &gamma_ramps[2*ramp_size];
-
-	colorramp_fill(gamma_r, gamma_g, gamma_b, ramp_size,
-		       temp, gamma);
-
-	/* Set new gamma ramps */
-	xcb_void_cookie_t gamma_set_cookie =
-		xcb_randr_set_crtc_gamma_checked(state->conn, crtc,
-						 ramp_size, gamma_r,
-						 gamma_g, gamma_b);
-	error = xcb_request_check(state->conn, gamma_set_cookie);
-
-	if (error) {
-		fprintf(stderr, _("`%s' returned error %d\n"),
-			"RANDR Set CRTC Gamma", error->error_code);
-		free(gamma_ramps);
-		return -1;
-	}
-
-	free(gamma_ramps);
-
-	return 0;
-}
-
-int
-randr_set_temperature(randr_state_t *state, int temp, float gamma[3])
-{
-	int r;
-
-	/* If no CRTC number has been specified,
-	   set temperature on all CRTCs. */
-	if (state->crtc_num < 0) {
-		for (int i = 0; i < state->crtc_count; i++) {
-			r = randr_set_temperature_for_crtc(state, i,
-							   temp, gamma);
-			if (r < 0) return -1;
-		}
-	} else {
-		return randr_set_temperature_for_crtc(state, state->crtc_num,
-						      temp, gamma);
-	}
-
-	return 0;
-}