/*
- * starwars, Copyright (c) 1998-2005 Jamie Zawinski <jwz@jwz.org> and
+ * starwars, Copyright (c) 1998-2007 Jamie Zawinski <jwz@jwz.org> and
* Claudio Matsuoka <claudio@helllabs.org>
*
* Permission to use, copy, modify, distribute, and sell this software and its
* starwars -program 'cat starwars.txt' -columns 25 -no-wrap -texture
*/
-#include <X11/Intrinsic.h>
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif /* HAVE_CONFIG_H */
-extern XtAppContext app;
+#include <ctype.h>
+#include <sys/stat.h>
+
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+
+#ifdef HAVE_UNAME
+# include <sys/utsname.h>
+#endif /* HAVE_UNAME */
+
+#ifndef HAVE_COCOA
+# include <X11/Intrinsic.h>
+#endif
+
+
+#define DEFAULTS "*delay: 40000 \n" \
+ "*showFPS: False \n" \
+ "*fpsTop: True \n" \
+ "*font: " DEF_FONT "\n"
+
+# define refresh_sws 0
+# define sws_handle_event 0
+#undef countof
+#define countof(x) (sizeof((x))/sizeof((*x)))
+
+#include "xlockmore.h"
+
+#ifdef USE_GL /* whole file */
-#define PROGCLASS "StarWars"
-#define HACK_INIT init_sws
-#define HACK_DRAW draw_sws
-#define HACK_RESHAPE reshape_sws
-#define sws_opts xlockmore_opts
+/* Should be in <GL/glext.h> */
+# ifndef GL_TEXTURE_MAX_ANISOTROPY_EXT
+# define GL_TEXTURE_MAX_ANISOTROPY_EXT 0x84FE
+# endif
+# ifndef GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT
+# define GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT 0x84FF
+# endif
-#define DEF_PROGRAM "(default)"
+
+#define DEF_PROGRAM "xscreensaver-text --cols 0" /* don't wrap */
#define DEF_LINES "125"
#define DEF_STEPS "35"
#define DEF_SPIN "0.03"
#define DEF_TEXTURES "True"
#define DEF_DEBUG "False"
-/* Utopia 480 needs a 2048x2048 texture.
- Utopia 400 needs a 1024x1024 texture.
- Utopia 180 needs a 512x512 texture.
- Times 240 needs a 512x512 texture.
+/* Utopia 800 needs 64 512x512 textures (4096x4096 bitmap).
+ Utopia 720 needs 16 512x512 textures (2048x2048 bitmap).
+ Utopia 480 needs 16 512x512 textures (2048x2048 bitmap).
+ Utopia 400 needs 4 512x512 textures (1024x1024 bitmap).
+ Utopia 180 needs 1 512x512 texture.
+ Times 240 needs 1 512x512 texture.
*/
-#define DEF_FONT "-*-utopia-bold-r-normal-*-*-400-*-*-*-*-iso8859-1"
+#define DEF_FONT "-*-utopia-bold-r-normal-*-*-720-*-*-*-*-iso8859-1"
#define TAB_WIDTH 8
#define FONT_WEIGHT 14
#define KEEP_ASPECT
-#define DEFAULTS "*delay: 40000 \n" \
- "*showFPS: False \n" \
- "*fpsTop: True \n" \
- "*program: " DEF_PROGRAM "\n" \
- "*lines: " DEF_LINES "\n" \
- "*spin: " DEF_SPIN "\n" \
- "*steps: " DEF_STEPS "\n" \
- "*smooth: " DEF_SMOOTH "\n" \
- "*thick: " DEF_THICK "\n" \
- "*fade: " DEF_FADE "\n" \
- "*textures: " DEF_TEXTURES "\n" \
- "*fontSize: " DEF_FONT_SIZE "\n" \
- "*columns: " DEF_COLUMNS "\n" \
- "*lineWrap: " DEF_WRAP "\n" \
- "*alignment: " DEF_ALIGN "\n" \
- "*font: " DEF_FONT "\n" \
- "*debug: " DEF_DEBUG "\n" \
-
-#undef countof
-#define countof(x) (sizeof((x))/sizeof((*x)))
-
-#include "xlockmore.h"
-
-#ifdef USE_GL /* whole file */
-
-#include <ctype.h>
-#include <GL/glu.h>
-#include <sys/stat.h>
#include "texfont.h"
#include "glutstroke.h"
#include "glut_roman.h"
#define GLUT_FONT (&glutStrokeRoman)
-#ifdef HAVE_UNAME
-# include <sys/utsname.h>
-#endif /* HAVE_UNAME */
-
-
typedef struct {
+ Display *dpy;
GLXContext *glx_context;
GLuint text_list, star_list;
FILE *pipe;
XtInputId pipe_id;
+ XtIntervalId pipe_timer;
Time subproc_relaunch_delay;
- char buf [1024];
+ char *buf;
+ int buf_size;
int buf_tail;
+
char **lines;
int total_lines;
{"-spin", ".spin", XrmoptionSepArg, 0 },
{"-size", ".fontSize", XrmoptionSepArg, 0 },
{"-columns", ".columns", XrmoptionSepArg, 0 },
- {"-font", ".font", XrmoptionSepArg, 0 },
+/*{"-font", ".font", XrmoptionSepArg, 0 },*/
{"-fade", ".fade", XrmoptionNoArg, "True" },
{"-no-fade", ".fade", XrmoptionNoArg, "False" },
{"-textures", ".textures", XrmoptionNoArg, "True" },
{"-wrap", ".lineWrap", XrmoptionNoArg, "True" },
{"-no-wrap", ".lineWrap", XrmoptionNoArg, "False" },
{"-nowrap", ".lineWrap", XrmoptionNoArg, "False" },
+ {"-alignment", ".alignment", XrmoptionSepArg, 0 },
{"-left", ".alignment", XrmoptionNoArg, "Left" },
{"-right", ".alignment", XrmoptionNoArg, "Right" },
{"-center", ".alignment", XrmoptionNoArg, "Center" },
{&debug_p, "debug", "Boolean", DEF_DEBUG, t_Bool},
};
-ModeSpecOpt sws_opts = {countof(opts), opts, countof(vars), vars, NULL};
+ENTRYPOINT ModeSpecOpt sws_opts = {countof(opts), opts, countof(vars), vars, NULL};
static void
launch_text_generator (sws_configuration *sc)
{
- char *oprogram = get_string_resource ("program", "Program");
- 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);
+ XtAppContext app = XtDisplayToApplicationContext (sc->dpy);
+ char *oprogram = get_string_resource (sc->dpy, "program", "Program");
+ char *program = (char *) malloc (strlen (oprogram) + 10);
strcpy (program, "( ");
strcat (program, oprogram);
strcat (program, " ) 2>&1");
relaunch_generator_timer (XtPointer closure, XtIntervalId *id)
{
sws_configuration *sc = (sws_configuration *) closure;
+ if (!sc->pipe_timer) abort();
+ sc->pipe_timer = 0;
launch_text_generator (sc);
}
static void
drain_input (sws_configuration *sc)
{
- if (sc->buf_tail < sizeof(sc->buf) - 2)
+ XtAppContext app = XtDisplayToApplicationContext (sc->dpy);
+ if (sc->buf_tail < sc->buf_size - 2)
{
- int target = sizeof(sc->buf) - sc->buf_tail - 2;
- int n = read (fileno (sc->pipe),
- (void *) (sc->buf + sc->buf_tail),
- target);
+ int target = sc->buf_size - sc->buf_tail - 2;
+ int n = (sc->pipe
+ ? read (fileno (sc->pipe),
+ (void *) (sc->buf + sc->buf_tail),
+ target)
+ : 0);
if (n > 0)
{
sc->buf_tail += n;
}
else
{
- XtRemoveInput (sc->pipe_id);
- sc->pipe_id = 0;
- pclose (sc->pipe);
- sc->pipe = 0;
+ if (sc->pipe)
+ {
+ XtRemoveInput (sc->pipe_id);
+ sc->pipe_id = 0;
+ pclose (sc->pipe);
+ sc->pipe = 0;
+ }
/* If the process didn't print a terminating newline, add one. */
if (sc->buf_tail > 1 &&
sc->buf[sc->buf_tail] = 0;
/* Set up a timer to re-launch the subproc in a bit. */
- XtAppAddTimeOut (app, sc->subproc_relaunch_delay,
- relaunch_generator_timer,
- (XtPointer) sc);
+ sc->pipe_timer = XtAppAddTimeOut (app, sc->subproc_relaunch_delay,
+ relaunch_generator_timer,
+ (XtPointer) sc);
}
}
}
int cw;
if (s >= sc->buf + sc->buf_tail)
- {
- /* Reached end of buffer before end of line. Bail. */
- return;
- }
+ /* Reached end of buffer before end of line. Bail. */
+ return;
cw = char_width (sc, *s);
glVertex3f( width/2, height/2, -depth/2);
glEnd();
- glEnd();
glBegin(GL_LINES);
glVertex3f(-width/2, height/2, depth/2);
glVertex3f(-width/2, -height/2, -depth/2);
/* Window management, etc
*/
-void
+ENTRYPOINT void
reshape_sws (ModeInfo *mi, int width, int height)
{
sws_configuration *sc = &scs[MI_SCREEN(mi)];
{
sws_configuration *sc = &scs[MI_SCREEN(mi)];
- program = get_string_resource ("program", "Program");
+ program = get_string_resource (mi->dpy, "program", "Program");
glDisable (GL_LIGHTING);
glDisable (GL_DEPTH_TEST);
}
-void
+ENTRYPOINT void
init_sws (ModeInfo *mi)
{
double font_height;
- sws_configuration *sc;
+ sws_configuration *sc = 0;
if (!scs) {
scs = (sws_configuration *)
fprintf(stderr, "%s: out of memory\n", progname);
exit(1);
}
-
- sc = &scs[MI_SCREEN(mi)];
- sc->lines = (char **) calloc (max_lines+1, sizeof(char *));
}
sc = &scs[MI_SCREEN(mi)];
+ sc->dpy = MI_DISPLAY(mi);
+ sc = &scs[MI_SCREEN(mi)];
+ sc->lines = (char **) calloc (max_lines+1, sizeof(char *));
+
if ((sc->glx_context = init_GL(mi)) != NULL) {
gl_init(mi);
reshape_sws (mi, MI_WIDTH(mi), MI_HEIGHT(mi));
font_height = lh;
glEnable(GL_ALPHA_TEST);
glEnable (GL_TEXTURE_2D);
+
+ check_gl_error ("loading font");
+
+ /* "Anistropic filtering helps for quadrilateral-angled textures.
+ A sharper image is accomplished by interpolating and filtering
+ multiple samples from one or more mipmaps to better approximate
+ very distorted textures. This is the next level of filtering
+ after trilinear filtering." */
+ if (smooth_p &&
+ strstr ((char *) glGetString(GL_EXTENSIONS),
+ "GL_EXT_texture_filter_anisotropic"))
+ {
+ GLfloat anisotropic = 0.0;
+ glGetFloatv (GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &anisotropic);
+ if (anisotropic >= 1.0)
+ glTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT,
+ anisotropic);
+ }
}
else
{
sc->line_height = font_height * sc->font_scale;
- sc->subproc_relaunch_delay = 2 * 1000;
+ /* Buffer only two lines of text.
+ If the buffer is too big, there's a significant delay between
+ when the program launches and when the text appears, which can be
+ irritating for time-sensitive output (clock, current music, etc.)
+ */
+ sc->buf_size = target_columns * 2;
+ if (sc->buf_size < 80) sc->buf_size = 80;
+ sc->buf = (char *) calloc (1, sc->buf_size);
+
+ sc->subproc_relaunch_delay = 2 * 1000; /* 2 seconds */
sc->total_lines = max_lines-1;
if (random() & 1)
glPopMatrix ();
}
-void
+ENTRYPOINT void
draw_sws (ModeInfo *mi)
{
sws_configuration *sc = &scs[MI_SCREEN(mi)];
+/* XtAppContext app = XtDisplayToApplicationContext (sc->dpy);*/
Display *dpy = MI_DISPLAY(mi);
Window window = MI_WINDOW(mi);
int i;
if (!sc->glx_context)
return;
+#if 0
if (XtAppPending (app) & (XtIMTimer|XtIMAlternateInput))
XtAppProcessEvent (app, XtIMTimer|XtIMAlternateInput);
+#endif
glDrawBuffer (GL_BACK);
glXMakeCurrent (dpy, window, *(sc->glx_context));
for (i = 0; i < sc->total_lines; i++)
{
double fade = (fade_p ? 1.0 * i / sc->total_lines : 1.0);
- int offscreen_lines = 3;
+ int offscreen_lines = 2;
double x = -0.5;
double y = ((sc->total_lines - (i + offscreen_lines) - 1)
sc->star_theta += star_spin;
}
+ENTRYPOINT void
+release_sws (ModeInfo *mi)
+{
+ if (scs) {
+ int screen;
+ for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++) {
+ sws_configuration *sc = &scs[screen];
+ if (sc->pipe_id)
+ XtRemoveInput (sc->pipe_id);
+ if (sc->pipe)
+ pclose (sc->pipe);
+ if (sc->pipe_timer)
+ XtRemoveTimeOut (sc->pipe_timer);
+
+ /* #### there's more to free here */
+ }
+ free (scs);
+ scs = 0;
+ }
+ FreeAllGL(mi);
+}
+
+
+XSCREENSAVER_MODULE_2 ("StarWars", starwars, sws)
+
#endif /* USE_GL */
projects / xscreensaver / blobdiff