X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?p=xscreensaver;a=blobdiff_plain;f=hacks%2Fglx%2Fstarwars.c;h=60f766a72514e576e63a11aa105901f098e0dc79;hp=a6d5745caccce1c48704d5acb95cd1bef773cb81;hb=ffd8c0873576a9e3065696a624dce6b766b77062;hpb=a445bdd3e3ba4abbee441844b6665b4c3c13d48c diff --git a/hacks/glx/starwars.c b/hacks/glx/starwars.c index a6d5745c..60f766a7 100644 --- a/hacks/glx/starwars.c +++ b/hacks/glx/starwars.c @@ -1,5 +1,5 @@ /* - * starwars, Copyright (c) 1998-2001 Jamie Zawinski and + * starwars, Copyright (c) 1998-2001, 2004 Jamie Zawinski and * Claudio Matsuoka * * Permission to use, copy, modify, distribute, and sell this software and its @@ -43,7 +43,7 @@ extern XtAppContext app; #define HACK_RESHAPE reshape_sws #define sws_opts xlockmore_opts -#define DEF_PROGRAM ZIPPY_PROGRAM +#define DEF_PROGRAM "(default)" #define DEF_LINES "125" #define DEF_STEPS "35" #define DEF_SPIN "0.03" @@ -87,11 +87,17 @@ extern XtAppContext app; #ifdef USE_GL /* whole file */ +#include #include +#include #include "glutstroke.h" #include "glut_roman.h" #define GLUT_FONT (&glutStrokeRoman) +#ifdef HAVE_UNAME +# include +#endif /* HAVE_UNAME */ + typedef struct { GLXContext *glx_context; @@ -135,38 +141,38 @@ static char *alignment_str; static int alignment; static XrmOptionDescRec opts[] = { - {"-program", ".starwars.program", XrmoptionSepArg, (caddr_t) 0 }, - {"-lines", ".starwars.lines", XrmoptionSepArg, (caddr_t) 0 }, - {"-steps", ".starwars.steps", XrmoptionSepArg, (caddr_t) 0 }, - {"-spin", ".starwars.spin", XrmoptionSepArg, (caddr_t) 0 }, - {"-size", ".starwars.fontSize", XrmoptionSepArg, (caddr_t) 0 }, - {"-columns", ".starwars.columns", XrmoptionSepArg, (caddr_t) 0 }, - {"-smooth", ".starwars.smooth", XrmoptionNoArg, (caddr_t) "True" }, - {"-no-smooth", ".starwars.smooth", XrmoptionNoArg, (caddr_t) "False" }, - {"-thick", ".starwars.thick", XrmoptionNoArg, (caddr_t) "True" }, - {"-no-thick", ".starwars.thick", XrmoptionNoArg, (caddr_t) "False" }, - {"-fade", ".starwars.fade", XrmoptionNoArg, (caddr_t) "True" }, - {"-no-fade", ".starwars.fade", XrmoptionNoArg, (caddr_t) "False" }, - {"-wrap", ".starwars.lineWrap", XrmoptionNoArg, (caddr_t) "True" }, - {"-no-wrap", ".starwars.lineWrap", XrmoptionNoArg, (caddr_t) "False" }, - {"-nowrap", ".starwars.lineWrap", XrmoptionNoArg, (caddr_t) "False" }, - {"-left", ".starwars.alignment",XrmoptionNoArg, (caddr_t) "Left" }, - {"-right", ".starwars.alignment",XrmoptionNoArg, (caddr_t) "Right" }, - {"-center", ".starwars.alignment",XrmoptionNoArg, (caddr_t) "Center" }, + {"-program", ".starwars.program", XrmoptionSepArg, 0 }, + {"-lines", ".starwars.lines", XrmoptionSepArg, 0 }, + {"-steps", ".starwars.steps", XrmoptionSepArg, 0 }, + {"-spin", ".starwars.spin", XrmoptionSepArg, 0 }, + {"-size", ".starwars.fontSize", XrmoptionSepArg, 0 }, + {"-columns", ".starwars.columns", XrmoptionSepArg, 0 }, + {"-smooth", ".starwars.smooth", XrmoptionNoArg, "True" }, + {"-no-smooth", ".starwars.smooth", XrmoptionNoArg, "False" }, + {"-thick", ".starwars.thick", XrmoptionNoArg, "True" }, + {"-no-thick", ".starwars.thick", XrmoptionNoArg, "False" }, + {"-fade", ".starwars.fade", XrmoptionNoArg, "True" }, + {"-no-fade", ".starwars.fade", XrmoptionNoArg, "False" }, + {"-wrap", ".starwars.lineWrap", XrmoptionNoArg, "True" }, + {"-no-wrap", ".starwars.lineWrap", XrmoptionNoArg, "False" }, + {"-nowrap", ".starwars.lineWrap", XrmoptionNoArg, "False" }, + {"-left", ".starwars.alignment",XrmoptionNoArg, "Left" }, + {"-right", ".starwars.alignment",XrmoptionNoArg, "Right" }, + {"-center", ".starwars.alignment",XrmoptionNoArg, "Center" }, }; static argtype vars[] = { - {(caddr_t *) &program, "program", "Program", DEF_PROGRAM, t_String}, - {(caddr_t *) &max_lines, "lines", "Integer", DEF_LINES, t_Int}, - {(caddr_t *) &scroll_steps, "steps", "Integer", DEF_STEPS, t_Int}, - {(caddr_t *) &star_spin, "spin", "Float", DEF_SPIN, t_Float}, - {(caddr_t *) &font_size, "fontSize","Float", DEF_STEPS, t_Float}, - {(caddr_t *) &target_columns, "columns", "Integer", DEF_COLUMNS, t_Int}, - {(caddr_t *) &wrap_p, "lineWrap","Boolean", DEF_COLUMNS, t_Bool}, - {(caddr_t *) &alignment_str, "alignment","Alignment",DEF_ALIGN, t_String}, - {(caddr_t *) &smooth_p, "smooth", "Boolean", DEF_SMOOTH, t_Bool}, - {(caddr_t *) &thick_p, "thick", "Boolean", DEF_THICK, t_Bool}, - {(caddr_t *) &fade_p, "fade", "Boolean", DEF_FADE, t_Bool}, + {&program, "program", "Program", DEF_PROGRAM, t_String}, + {&max_lines, "lines", "Integer", DEF_LINES, t_Int}, + {&scroll_steps, "steps", "Integer", DEF_STEPS, t_Int}, + {&star_spin, "spin", "Float", DEF_SPIN, t_Float}, + {&font_size, "fontSize", "Float", DEF_STEPS, t_Float}, + {&target_columns, "columns", "Integer", DEF_COLUMNS, t_Int}, + {&wrap_p, "lineWrap", "Boolean", DEF_COLUMNS, t_Bool}, + {&alignment_str, "alignment", "Alignment", DEF_ALIGN, t_String}, + {&smooth_p, "smooth", "Boolean", DEF_SMOOTH, t_Bool}, + {&thick_p, "thick", "Boolean", DEF_THICK, t_Bool}, + {&fade_p, "fade", "Boolean", DEF_FADE, t_Bool}, }; ModeSpecOpt sws_opts = {countof(opts), opts, countof(vars), vars, NULL}; @@ -234,6 +240,31 @@ strip (char *s, Bool leading, Bool trailing) } +/* The GLUT font only has ASCII characters in them, so do what we can to + convert Latin1 characters to the nearest ASCII equivalent... + */ +static void +latin1_to_ascii (char *s) +{ + unsigned char *us = (unsigned char *) s; + const unsigned char ascii[95] = { + '!', 'C', '#', '#', 'Y', '|', 'S', '_', 'C', '?', '<', '=', '-', 'R', '_', + '?', '?', '2', '3', '\'','u', 'P', '.', ',', '1', 'o', '>', '?', '?', '?', + '?', 'A', 'A', 'A', 'A', 'A', 'A', 'E', 'C', 'E', 'E', 'E', 'E', 'I', 'I', + 'I', 'I', 'D', 'N', 'O', 'O', 'O', 'O', 'O', 'x', '0', 'U', 'U', 'U', 'U', + 'Y', 'p', 'S', 'a', 'a', 'a', 'a', 'a', 'a', 'e', 'c', 'e', 'e', 'e', 'e', + 'i', 'i', 'i', 'i', 'o', 'n', 'o', 'o', 'o', 'o', 'o', '/', 'o', 'u', 'u', + 'u', 'u', 'y', 'p', 'y' }; + while (*us) + { + if (*us >= 161) + *us = ascii[*us - 161]; + else if (*us > 127) + *us = '?'; + us++; + } +} + /* Subprocess. (This bit mostly cribbed from phosphor.c) @@ -253,8 +284,59 @@ static void launch_text_generator (sws_configuration *sc) { char *oprogram = get_string_resource ("program", "Program"); - char *program = (char *) malloc (strlen (oprogram) + 10); + char *program; + + if (!strcasecmp(oprogram, "(default)")) + { + oprogram = FORTUNE_PROGRAM; + +#if defined(__linux__) && defined(HAVE_UNAME) + { + static int done_once = 0; + if (!done_once) + { + struct utsname uts; + struct stat st; + done_once = 1; + if (uname (&uts) == 0) + { + static char cmd[200]; + char *s; + /* strip version at the first non-digit-dash-dot, to + lose any "SMP" crap at the end. */ + for (s = uts.release; *s; s++) + if (!isdigit(*s) && *s != '.' && *s != '-') + *s = 0; + sprintf (cmd, "cat /usr/src/linux-%s/README", uts.release); + if (!stat (cmd+4, &st)) + oprogram = cmd; + else + { + /* kernel source not installed? try X... */ + strcpy (cmd, "cat /usr/X11R6/lib/X11/doc/README"); + if (!stat (cmd+4, &st)) + oprogram = cmd; + } + } + } + } +#endif /* __linux__ && HAVE_UNAME */ +#ifdef __APPLE__ /* MacOS X + XDarwin */ + { + static int done_once = 0; + if (!done_once) + { + struct stat st; + static char *cmd = "cat /usr/X11R6/README"; + if (!stat (cmd+4, &st)) + oprogram = cmd; + } + } +#endif /* __APPLE__ */ + } + + program = (char *) malloc (strlen (oprogram) + 10); strcpy (program, "( "); strcat (program, oprogram); strcat (program, " ) 2>&1"); @@ -342,12 +424,17 @@ get_more_lines (sws_configuration *sc) return; } - if (*s == '\n' || col > sc->columns) + if (*s == '\r' || *s == '\n' || col > sc->columns) { int L = s - sc->buf; - if (*s == '\n') - *s++ = 0; + if (*s == '\r' || *s == '\n') + { + if (*s == '\r' && s[1] == '\n') /* swallow CRLF too */ + *s++ = 0; + + *s++ = 0; + } else { /* We wrapped -- try to back up to the previous word boundary. */ @@ -366,6 +453,7 @@ get_more_lines (sws_configuration *sc) sc->lines[sc->total_lines] = (char *) malloc (L+1); memcpy (sc->lines[sc->total_lines], sc->buf, L); sc->lines[sc->total_lines][L] = 0; + latin1_to_ascii (sc->lines[sc->total_lines]); { char *t = sc->lines[sc->total_lines]; @@ -381,7 +469,7 @@ get_more_lines (sws_configuration *sc) if (sc->buf_tail > (s - sc->buf)) { int i = sc->buf_tail - (s - sc->buf); - memcpy (sc->buf, s, i); + memmove (sc->buf, s, i); sc->buf_tail = i; sc->buf[sc->buf_tail] = 0; } @@ -496,6 +584,41 @@ box (double width, double height, double depth) #endif /* DEBUG */ +/* Construct stars (number of stars is dependent on size of screen) */ +static void +init_stars (ModeInfo *mi, int width, int height) +{ + sws_configuration *sc = &scs[MI_SCREEN(mi)]; + int i, j; + int nstars = width * height / 320; + int max_size = 3; + GLfloat inc = 0.5; + int steps = max_size / inc; + + glDeleteLists (sc->star_list, 1); + sc->star_list = glGenLists (1); + glNewList (sc->star_list, GL_COMPILE); + + glEnable(GL_POINT_SMOOTH); + + for (j = 1; j <= steps; j++) + { + glPointSize(inc * j); + glBegin (GL_POINTS); + for (i = 0; i < nstars / steps; i++) + { + glColor3f (0.6 + frand(0.3), + 0.6 + frand(0.3), + 0.6 + frand(0.3)); + glVertex2f (2 * width * (0.5 - frand(1.0)), + 2 * height * (0.5 - frand(1.0))); + } + glEnd (); + } + glEndList (); +} + + /* Window management, etc */ void @@ -536,27 +659,6 @@ reshape_sws (ModeInfo *mi, int width, int height) } - /* Construct stars (number of stars is dependent on size of screen) */ - { - int i; - int nstars = width * height / 320; - glDeleteLists (sc->star_list, 1); - sc->star_list = glGenLists (1); - glNewList (sc->star_list, GL_COMPILE); - glBegin (GL_POINTS); - for (i = 0; i < nstars; i++) - { - GLfloat c = 0.6 + 0.3 * random() / RAND_MAX; - glColor3f (c, c, c); - glVertex3f (2 * width * (0.5 - 1.0 * random() / RAND_MAX), - 2 * height * (0.5 - 1.0 * random() / RAND_MAX), - 0.0); - } - glEnd (); - glEndList (); - } - - /* Compute the height in pixels of the line at the bottom of the screen. */ { GLdouble mm[17], pm[17]; @@ -640,10 +742,10 @@ init_sws (ModeInfo *mi) if ((sc->glx_context = init_GL(mi)) != NULL) { gl_init(mi); reshape_sws (mi, MI_WIDTH(mi), MI_HEIGHT(mi)); + init_stars (mi, MI_WIDTH(mi), MI_HEIGHT(mi)); } - font_height = GLUT_FONT->top - GLUT_FONT->bottom; sc->font_scale = 1.0 / glutStrokeWidth (GLUT_FONT, 'z'); /* 'n' seems too wide */ @@ -666,7 +768,6 @@ init_sws (ModeInfo *mi) sc->subproc_relaunch_delay = 2 * 1000; sc->total_lines = max_lines-1; - launch_text_generator (sc); if (random() & 1) star_spin = -star_spin; @@ -686,6 +787,11 @@ init_sws (ModeInfo *mi) progname, alignment_str); exit (1); } + + launch_text_generator (sc); + + /* one more reshape, after line_height has been computed */ + reshape_sws (mi, MI_WIDTH(mi), MI_HEIGHT(mi)); } @@ -825,7 +931,9 @@ draw_sws (ModeInfo *mi) } if (alignment >= 0) - xoff = 1.0 - (glutStrokeLength(GLUT_FONT, line) * sc->font_scale); + xoff = 1.0 - (glutStrokeLength(GLUT_FONT, + (unsigned char *) line) + * sc->font_scale); if (alignment == 0) xoff /= 2;