From 0ab50d5887cb94138239bb1991b86adcabe3c3d2 Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Tue, 1 Apr 2014 12:37:14 +0200 Subject: enable more warnings and add .h files MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- src/blueshift_randr_c.h | 99 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 99 insertions(+) create mode 100644 src/blueshift_randr_c.h (limited to 'src/blueshift_randr_c.h') diff --git a/src/blueshift_randr_c.h b/src/blueshift_randr_c.h new file mode 100644 index 0000000..5bae1de --- /dev/null +++ b/src/blueshift_randr_c.h @@ -0,0 +1,99 @@ +/** + * Copyright © 2014 Mattias Andrée (maandree@member.fsf.org) + * + * This program 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 program 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 program. If not, see . + */ +#ifndef BLUESHIFT_RANDR_C_H +#define BLUESHIFT_RANDR_C_H + + +#include +#include +#include + +#include +#include + + + +/** + * The major version of RandR the program expects + */ +#define RANDR_VERSION_MAJOR 1U + +/** + * The minor version of RandR the program expects + */ +#define RANDR_VERSION_MINOR 3U + + + +/** + * Data structure for CRTC caches + */ +typedef struct blueshift_randr_crtc +{ + /** + * Size of colour curves on the X-axis + */ + unsigned int curve_size; + + /** + * CRT controller + */ + xcb_randr_crtc_t* crtc; + +} blueshift_randr_crtc_t; + + + +/** + * Start stage of colour curve control + * + * @param use_screen The screen to use + * @return Zero on success + */ +int blueshift_randr_open(int use_screen); + +/** + * Gets the current colour curves + * + * @param use_crtc The CRTC to use + * @return {the size of the red curve, *the red curve, + * the size of the green curve, *the green curve, + * the size of the blue curve, *the blue curve}, + * needs to be free:d. `NULL` on error. + */ +uint16_t* blueshift_randr_read(int use_crtc); + +/** + * Apply stage of colour curve control + * + * @param use_crtcs Mask of CRTC:s to use + * @param r_curve The red colour curve + * @param g_curve The green colour curve + * @param b_curve The blue colour curve + * @return Zero on success + */ +int blueshift_randr_apply(uint64_t use_crtcs, uint16_t* r_curve, uint16_t* g_curve, uint16_t* b_curve); + +/** + * Resource freeing stage of colour curve control + */ +void blueshift_randr_close(void); + + + +#endif + -- cgit v1.2.3-70-g09d2