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/**************************************************************************** * Copyright (c) 2006-2010,2012 Free Software Foundation, Inc. * * * * Permission is hereby granted, free of charge, to any person obtaining a * * copy of this software and associated documentation files (the * * "Software"), to deal in the Software without restriction, including * * without limitation the rights to use, copy, modify, merge, publish, * * distribute, distribute with modifications, sublicense, and/or sell * * copies of the Software, and to permit persons to whom the Software is * * furnished to do so, subject to the following conditions: * * * * The above copyright notice and this permission notice shall be included * * in all copies or substantial portions of the Software. * * * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * * * * Except as contained in this notice, the name(s) of the above copyright * * holders shall not be used in advertising or otherwise to promote the * * sale, use or other dealings in this Software without prior written * * authorization. * ****************************************************************************/ /* * $Id: echochar.c,v 1.9 2012/06/09 20:30:32 tom Exp $ * * Demonstrate the echochar function (compare to dots.c). * Thomas Dickey - 2006/11/4 */ #include <test.priv.h> #include <time.h> #define valid(s) ((s != 0) && s != (char *)-1) static bool interrupted = FALSE; static long total_chars = 0; static time_t started; static void cleanup(void) { endwin(); printf("\n\n%ld total chars, rate %.2f/sec\n", total_chars, ((double) (total_chars) / (double) (time((time_t *) 0) - started))); } static void onsig(int n GCC_UNUSED) { interrupted = TRUE; } static double ranf(void) { long r = (rand() & 077777); return ((double) r / 32768.); } static void set_color(char *my_pairs, int fg, int bg) { int pair = (fg * COLORS) + bg; if (!my_pairs[pair]) { init_pair((short) pair, (short) fg, (short) bg); } attron((attr_t) COLOR_PAIR(pair)); } int main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED) { int ch, x, y, z, p; double r; double c; bool use_colors; bool opt_r = FALSE; char *my_pairs = 0; int last_fg = 0; int last_bg = 0; while ((ch = getopt(argc, argv, "r")) != -1) { switch (ch) { case 'r': opt_r = TRUE; break; default: fprintf(stderr, "usage: echochar [-r]\n"); ExitProgram(EXIT_FAILURE); } } CATCHALL(onsig); initscr(); use_colors = has_colors(); if (use_colors) { start_color(); if (COLOR_PAIRS > 0) { my_pairs = typeCalloc(char, (size_t) COLOR_PAIRS); } use_colors = (my_pairs != 0); } srand((unsigned) time(0)); curs_set(0); r = (double) (LINES - 4); c = (double) (COLS - 4); started = time((time_t *) 0); while (!interrupted) { x = (int) (c * ranf()) + 2; y = (int) (r * ranf()) + 2; p = (ranf() > 0.9) ? '*' : ' '; move(y, x); if (use_colors > 0) { z = (int) (ranf() * COLORS); if (ranf() > 0.01) { set_color(my_pairs, z, last_bg); last_fg = z; } else { set_color(my_pairs, last_fg, z); last_bg = z; napms(1); } } else { if (ranf() <= 0.01) { if (ranf() > 0.6) attron(A_REVERSE); else attroff(A_REVERSE); napms(1); } } if (opt_r) { addch(UChar(p)); refresh(); } else { echochar(UChar(p)); } ++total_chars; } cleanup(); ExitProgram(EXIT_SUCCESS); }
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