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/**************************************************************************** * Copyright (c) 1999-2009,2010 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. * ****************************************************************************/ /* * Author: Thomas E. Dickey <dickey@clark.net> 1999 * * $Id: dots.c,v 1.23 2011/04/23 19:15:04 tom Exp $ * * A simple demo of the terminfo interface. */ #define USE_TINFO #include <test.priv.h> #if HAVE_SETUPTERM #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 TPUTS_PROTO(outc, c) { int rc = c; if (interrupted) { char tmp = (char) c; if (write(STDOUT_FILENO, &tmp, 1) == -1) rc = EOF; } else { rc = putc(c, stdout); } TPUTS_RETURN(rc); } static bool outs(char *s) { if (valid(s)) { tputs(s, 1, outc); return TRUE; } return FALSE; } static void cleanup(void) { outs(exit_attribute_mode); if (!outs(orig_colors)) outs(orig_pair); outs(clear_screen); outs(cursor_normal); 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.); } int main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED) { int x, y, z, p; double r; double c; CATCHALL(onsig); srand((unsigned) time(0)); setupterm((char *) 0, 1, (int *) 0); outs(clear_screen); outs(cursor_invisible); if (max_colors > 1) { if (!valid(set_a_foreground) || !valid(set_a_background) || (!valid(orig_colors) && !valid(orig_pair))) max_colors = -1; } r = (double) (lines - 4); c = (double) (columns - 4); started = time((time_t *) 0); while (!interrupted) { x = (int) (c * ranf()) + 2; y = (int) (r * ranf()) + 2; p = (ranf() > 0.9) ? '*' : ' '; tputs(tparm3(cursor_address, y, x), 1, outc); if (max_colors > 0) { z = (int) (ranf() * max_colors); if (ranf() > 0.01) { tputs(tparm2(set_a_foreground, z), 1, outc); } else { tputs(tparm2(set_a_background, z), 1, outc); napms(1); } } else if (valid(exit_attribute_mode) && valid(enter_reverse_mode)) { if (ranf() <= 0.01) { outs((ranf() > 0.6) ? enter_reverse_mode : exit_attribute_mode); napms(1); } } outc(p); fflush(stdout); ++total_chars; } cleanup(); ExitProgram(EXIT_SUCCESS); } #else int main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED) { fprintf(stderr, "This program requires terminfo\n"); exit(EXIT_FAILURE); } #endif
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