ftp://ftp.krokus.ru/pub/OpenBSD/distfiles/xscreensaver-4.22.tar.gz
[xscreensaver] / hacks / maze.c
index 9d22778fb87ac6d5c4d300bc186ad416ab5a8a79..ba80e835e399d43893942063531318d25123831e 100644 (file)
 #include "screenhack.h"
 #include "erase.h"
 
-#define XROGER
+#define XSCREENSAVER_LOGO
 
 static int solve_delay, pre_solve_delay, post_solve_delay;
 
 #include  <stdio.h>
 #include  <X11/Xlib.h>
 #include  <X11/Xutil.h>
-#ifndef VMS
-# include  <X11/bitmaps/gray1>
-#else  /* VMS */
-# include "sys$common:[decw$include.bitmaps]gray1.xbm"
-#endif /* VMS */
 
-#define MAX_MAZE_SIZE_X        500
-#define MAX_MAZE_SIZE_Y        500
+/* #include  <X11/bitmaps/gray1> */
+#define gray1_width  2
+#define gray1_height 2
+static char gray1_bits[] = { 0x01, 0x02 };
+
+
+#define MAX_MAZE_SIZE_X        1000
+#define MAX_MAZE_SIZE_Y        1000
 
 #define MOVE_LIST_SIZE  (MAX_MAZE_SIZE_X * MAX_MAZE_SIZE_Y)
 
@@ -133,9 +134,9 @@ static int solve_delay, pre_solve_delay, post_solve_delay;
 
 static int logo_x, logo_y;
 
-#ifdef XROGER
-# define logo_width  128
-# define logo_height 128
+#ifdef XSCREENSAVER_LOGO
+# define logo_width  54
+# define logo_height 54
 #else
 # include  <X11/bitmaps/xlogo64>
 # define logo_width xlogo64_width
@@ -146,8 +147,8 @@ static int logo_x, logo_y;
 static unsigned short maze[MAX_MAZE_SIZE_X][MAX_MAZE_SIZE_Y];
 
 static struct {
-  unsigned char x;
-  unsigned char y;
+  unsigned short x;
+  unsigned short y;
   unsigned char dir, ways;
 } move_list[MOVE_LIST_SIZE], save_path[MOVE_LIST_SIZE], path[MOVE_LIST_SIZE];
 
@@ -1128,11 +1129,32 @@ draw_maze_border (void)                         /* draw the maze outline */
       Window r;
       int x, y;
       unsigned int w, h, bw, d;
+
+      /* round up to grid size */
+      int ww = ((logo_width  / grid_width) + 1)  * grid_width;
+      int hh = ((logo_height / grid_height) + 1) * grid_height;
+
       XGetGeometry (dpy, logo_map, &r, &x, &y, &w, &h, &bw, &d);
-      XCopyPlane (dpy, logo_map, win, logo_gc,
-                 0, 0, w, h,
-                 border_x + 3 + grid_width * logo_x,
-                 border_y + 3 + grid_height * logo_y, 1);
+
+# ifdef XSCREENSAVER_LOGO
+      /* kludge: if the logo "hole" is around the same size as the logo,
+         don't center it (since the xscreensaver logo image is a little
+         off center...  But do center if if the hole/gridsize is large. */
+      if (ww < logo_width  + 5) ww = w; 
+      if (hh < logo_height + 5) hh = h; 
+# endif /* XSCREENSAVER_LOGO */
+
+      if (d == 1)
+        XCopyPlane (dpy, logo_map, win, logo_gc,
+                    0, 0, w, h,
+                    border_x + 3 + grid_width  * logo_x + ((ww - w) / 2),
+                    border_y + 3 + grid_height * logo_y + ((hh - h) / 2),
+                    1);
+      else
+        XCopyArea (dpy, logo_map, win, logo_gc,
+                   0, 0, w, h,
+                   border_x + 3 + grid_width  * logo_x + ((ww - w) / 2),
+                   border_y + 3 + grid_height * logo_y + ((hh - h) / 2));
     }
   draw_solid_square (start_x, start_y, WALL_TOP >> start_dir, tgc);
   draw_solid_square (end_x, end_y, WALL_TOP >> end_dir, tgc);
@@ -1252,27 +1274,27 @@ draw_solid_square(int i, int j,          /* draw a solid square in a square */
   switch (dir) {
   case WALL_TOP:
       XFillRectangle(dpy, win, gc,
-                    border_x + bw + grid_width * i, 
-                    border_y - bw + grid_height * j, 
-                    grid_width - (bw+bw), grid_height);
+                    border_x + bw+(bw==0?1:0) + grid_width * i, 
+                    border_y - bw-(bw==0?1:0) + grid_height * j, 
+                    grid_width - (bw+bw+(bw==0?1:0)), grid_height);
       break;
   case WALL_RIGHT:
       XFillRectangle(dpy, win, gc,
-                    border_x + bw + grid_width * i, 
-                    border_y + bw + grid_height * j, 
-                    grid_width, grid_height - (bw+bw));
+                    border_x + bw+(bw==0?1:0) + grid_width * i, 
+                    border_y + bw+(bw==0?1:0) + grid_height * j, 
+                    grid_width, grid_height - (bw+bw+(bw==0?1:0)));
       break;
   case WALL_BOTTOM:
       XFillRectangle(dpy, win, gc,
-                    border_x + bw + grid_width * i, 
-                    border_y + bw + grid_height * j, 
-                    grid_width - (bw+bw), grid_height);
+                    border_x + bw+(bw==0?1:0) + grid_width * i, 
+                    border_y + bw+(bw==0?1:0) + grid_height * j, 
+                    grid_width - (bw+bw+(bw==0?1:0)), grid_height);
       break;
   case WALL_LEFT:
       XFillRectangle(dpy, win, gc,
-                    border_x - bw + grid_width * i, 
-                    border_y + bw + grid_height * j, 
-                    grid_width, grid_height - (bw+bw));
+                    border_x - bw-(bw==0?1:0) + grid_width * i, 
+                    border_y + bw+(bw==0?1:0) + grid_height * j, 
+                    grid_width, grid_height - (bw+bw+(bw==0?1:0)));
       break;
   }
   XSync (dpy, False);
@@ -1355,7 +1377,9 @@ find_dead_regions(void)
          if((x < logo_x || x > logo_x + logo_width / grid_width) ||
             (y < logo_y || y > logo_y + logo_height / grid_height))
          {
-           if (!maze[x][y] & WALL_ANY)
+            /* if we are completely surrounded by walls, just draw the
+               inside part */
+            if ((maze[x][y] & WALL_ANY) == WALL_ANY)
              XFillRectangle(dpy, win, ugc,
                             border_x + bw + grid_width * x,
                             border_y + bw + grid_height * y,
@@ -1477,7 +1501,7 @@ solve_maze (void)                     /* solve it with graphical feedback */
            if(!dir)
              goto backtrack;
            
-         found:
+         found: ;
          }
        else
          {
@@ -1578,9 +1602,6 @@ char *defaults[] = {
   "*maxLength:  5",
   "*syncDraw:   False",
   "*bridge:     False",
-#ifdef XROGER
-  "*logoColor: red3",
-#endif
   0
 };
 
@@ -1591,6 +1612,8 @@ XrmOptionDescRec options[] = {
   { "-solve-delay",    ".solveDelay",  XrmoptionSepArg, 0 },
   { "-pre-delay",      ".preDelay",    XrmoptionSepArg, 0 },
   { "-post-delay",     ".postDelay",   XrmoptionSepArg, 0 },
+  { "-bg-color",       ".background",  XrmoptionSepArg, 0 },
+  { "-fg-color",       ".foreground",  XrmoptionSepArg, 0 },
   { "-live-color",     ".liveColor",   XrmoptionSepArg, 0 },
   { "-dead-color",     ".deadColor",   XrmoptionSepArg, 0 },
   { "-skip-color",     ".skipColor",   XrmoptionSepArg, 0 },
@@ -1602,17 +1625,13 @@ XrmOptionDescRec options[] = {
   { 0, 0, 0, 0 }
 };
 
-#ifdef XROGER
-extern void skull (Display *, Window, GC, GC, int, int, int, int);
-#endif
-
 void
 screenhack(Display *display, Window window)
 {
   Pixmap gray;
   int size, root, generator, this_gen;
   XWindowAttributes xgwa;
-  unsigned long bg, fg, pfg, pbg, lfg, sfg, ufg;
+  unsigned long bg, fg, pfg, pbg, sfg, ufg;
 
   size = get_integer_resource ("gridSize", "Dimension");
   root = get_boolean_resource("root", "Boolean");
@@ -1642,8 +1661,7 @@ screenhack(Display *display, Window window)
       XWindowAttributes xgwa;
       XGetWindowAttributes (dpy, window, &xgwa);
       XSelectInput (dpy, win,
-                    xgwa.your_event_mask | ExposureMask |
-                    ButtonPressMask |StructureNotifyMask);
+                    xgwa.your_event_mask | ExposureMask | ButtonPressMask);
     }
   
   gc  = XCreateGC(dpy, win, 0, 0);
@@ -1658,17 +1676,10 @@ screenhack(Display *display, Window window)
 
   bg  = get_pixel_resource ("background","Background", dpy, xgwa.colormap);
   fg  = get_pixel_resource ("foreground","Foreground", dpy, xgwa.colormap);
-  lfg = get_pixel_resource ("logoColor", "Foreground", dpy, xgwa.colormap);
   pfg = get_pixel_resource ("liveColor", "Foreground", dpy, xgwa.colormap);
   pbg = get_pixel_resource ("deadColor", "Foreground", dpy, xgwa.colormap);
   sfg = get_pixel_resource ("skipColor", "Foreground", dpy, xgwa.colormap);
   ufg = get_pixel_resource ("surroundColor", "Foreground", dpy, xgwa.colormap);
-  if (mono_p) lfg = pfg = fg;
-
-  if (lfg == bg)
-    lfg = ((bg == WhitePixel (dpy, DefaultScreen (dpy)))
-          ? BlackPixel (dpy, DefaultScreen (dpy))
-          : WhitePixel (dpy, DefaultScreen (dpy)));
 
   XSetForeground (dpy, gc, fg);
   XSetBackground (dpy, gc, bg);
@@ -1680,7 +1691,7 @@ screenhack(Display *display, Window window)
   XSetBackground (dpy, sgc, bg);
   XSetForeground (dpy, ugc, ufg);
   XSetBackground (dpy, ugc, bg);
-  XSetForeground (dpy, logo_gc, lfg);
+  XSetForeground (dpy, logo_gc, fg);
   XSetBackground (dpy, logo_gc, bg);
   XSetForeground (dpy, erase_gc, bg);
   XSetBackground (dpy, erase_gc, bg);
@@ -1692,23 +1703,14 @@ screenhack(Display *display, Window window)
   XSetStipple (dpy, ugc, gray);
   XSetFillStyle (dpy, ugc, FillOpaqueStippled);
   
-#ifdef XROGER
+#ifdef XSCREENSAVER_LOGO
   {
-    int w, h;
-    XGCValues gcv;
-    GC draw_gc, erase_gc;
-    /* round up to grid size */
-    w = ((logo_width  / grid_width) + 1)  * grid_width;
-    h = ((logo_height / grid_height) + 1) * grid_height;
-    logo_map = XCreatePixmap (dpy, win, w, h, 1);
-    gcv.foreground = 1L;
-    draw_gc = XCreateGC (dpy, logo_map, GCForeground, &gcv);
-    gcv.foreground = 0L;
-    erase_gc= XCreateGC (dpy, logo_map, GCForeground, &gcv);
-    XFillRectangle (dpy, logo_map, erase_gc, 0, 0, w, h);
-    skull (dpy, logo_map, draw_gc, erase_gc, 5, 0, w-10, h-10);
-    XFreeGC (dpy, draw_gc);
-    XFreeGC (dpy, erase_gc);
+    unsigned long *pixels; /* ignored - unfreed */
+    int npixels;
+    logo_map = xscreensaver_logo (xgwa.screen, xgwa.visual, win,
+                                  xgwa.colormap, bg,
+                                  &pixels, &npixels, 0,
+                                  logo_width > 150);
   }
 #else
   if  (!(logo_map = XCreateBitmapFromData (dpy, win, logo_bits,