use full word "display" for variable in all places

[ozzloy@gmail.com/oble] / oble.h

//use the camera to aid the decision to sleep.
//Copyright 2009 Daniel Watson
/*
    use a camera to prevent screensaver
    Copyright (C) 2009  daniel watson, ozzloy@gmail.com

    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/>.
*/
/*
	 This file is part of oble.

	 oble 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.

	 oble 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 oble.  If not, see <http://www.gnu.org/licenses/>.

*/

static time_t t_current = time(NULL);

// argument for cvFlip(src, dest, FLIP_TYPE)
#define MIRROR 1

CvHaarClassifierCascade* load_object_detector(const char* cascade_path);

void detect_and_draw_objects(IplImage* image,
		CvHaarClassifierCascade* cascade,
		int do_pyramids);

void screensave(time_t t_current);

int parse_opts(int argc, char **argv);

int do_capture();

int get_one_frame(CvCapture* capture, IplImage* &frame);

int get_frames(CvCapture* capture, CvHaarClassifierCascade* cascade);

void update_idle(int faces_total);