/** * 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 <http://www.gnu.org/licenses/>. */ #ifndef BLUESHIFT_W32GDI_C_H #define BLUESHIFT_W32GDI_C_H #include <stdio.h> #include <stdlib.h> #ifndef WINVER # define WINVER 0x0500 #endif #ifdef FAKE_W32GDI # include "fake_w32gdi.h" #else # include <windows.h> # include <wingdi.h> #endif /** * The size of gamma ramps */ #define GAMMA_RAMP_SIZE 256 /** * Start stage of colour curve control * * @return Zero on success */ int blueshift_w32gdi_open(void); /** * Get the number of CRTC:s on the system * * @return The number of CRTC:s on the system */ int blueshift_w32gdi_crtc_count(void); /** * Gets the current colour curves * * @param use_crtc The CRTC to use * @return {the size of the each curve, *the red curve, * *the green curve, *the blue curve}, * needs to be free:d. `NULL` on error. */ uint16_t* blueshift_w32gdi_read(int use_crtc); /** * Apply stage of colour curve control * * @param use_crtc The CRTC to use, -1 for all * @param rgb_curve The concatenation of the red, the green and the blue colour curves * @return Zero on success */ int blueshift_w32gdi_apply(int use_crtc, uint16_t* rgb_curves); /** * Resource freeing stage of colour curve control */ void blueshift_w32gdi_close(void); #endif