6.09HEADmaster

1 files changed, 0 insertions, 557 deletions

diff --git a/hacks/glx/voronoi.c b/hacks/glx/voronoi.c
deleted file mode 100644
index d2c3bb7..0000000
--- a/hacks/glx/voronoi.c
+++ /dev/null
@@ -1,557 +0,0 @@
-/* voronoi, Copyright (c) 2007-2018 Jamie Zawinski <jwz@jwz.org>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation.  No representations are made about the suitability of this
- * software for any purpose.  It is provided "as is" without express or 
- * implied warranty.
- */
-
-#define DEFAULTS        "*delay:        20000              \n" \
-                        "*showFPS:      False              \n" \
-			"*suppressRotationAnimation: True\n" \
-
-# define release_voronoi 0
-
-#define BELLRAND(n) ((frand((n)) + frand((n)) + frand((n))) / 3)
-
-
-#include "xlockmore.h"
-#include <ctype.h>
-
-#ifdef USE_GL /* whole file */
-
-#define DEF_POINTS      "25"
-#define DEF_POINT_SIZE  "9"
-#define DEF_POINT_SPEED "1.0"
-#define DEF_POINT_DELAY "0.05"
-#define DEF_ZOOM_SPEED  "1.0"
-#define DEF_ZOOM_DELAY  "15"
-
-typedef struct node {
-  GLfloat x, y;
-  GLfloat dx, dy;
-  GLfloat ddx, ddy;
-  struct node *next;
-  GLfloat color[4], color2[4];
-  int rot;
-} node;
-
-typedef struct {
-  GLXContext *glx_context;
-  node *nodes;
-  int nnodes;
-  node *dragging;
-  int ncolors;
-  XColor *colors;
-  int point_size;
-
-  enum { MODE_WAITING, MODE_ADDING, MODE_ZOOMING } mode;
-  int adding;
-  double last_time;
-
-  GLfloat zooming;         /* 1.0 starting zoom, 0.0 no longer zooming. */
-  GLfloat zoom_toward[2];
-
-} voronoi_configuration;
-
-static voronoi_configuration *vps = NULL;
-
-/* command line arguments */
-static int npoints;
-static GLfloat point_size, point_speed, point_delay;
-static GLfloat zoom_speed, zoom_delay;
-
-static XrmOptionDescRec opts[] = {
-  { "-points",       ".points",      XrmoptionSepArg, 0 },
-  { "-point-size",   ".pointSize",   XrmoptionSepArg, 0 },
-  { "-point-speed",  ".pointSpeed",  XrmoptionSepArg, 0 },
-  { "-point-delay",  ".pointDelay",  XrmoptionSepArg, 0 },
-  { "-zoom-speed",   ".zoomSpeed",   XrmoptionSepArg, 0 },
-  { "-zoom-delay",   ".zoomDelay",   XrmoptionSepArg, 0 },
-};
-
-static argtype vars[] = {
-  {&npoints,      "points",      "Points",      DEF_POINTS,       t_Int},
-  {&point_size,   "pointSize",   "PointSize",   DEF_POINT_SIZE,   t_Float},
-  {&point_speed,  "pointSpeed",  "PointSpeed",  DEF_POINT_SPEED,  t_Float},
-  {&point_delay,  "pointDelay",  "PointDelay",  DEF_POINT_DELAY,  t_Float},
-  {&zoom_speed,   "zoomSpeed",   "ZoomSpeed",   DEF_ZOOM_SPEED,   t_Float},
-  {&zoom_delay,   "zoomDelay",   "ZoomDelay",   DEF_ZOOM_DELAY,   t_Float},
-};
-
-ENTRYPOINT ModeSpecOpt voronoi_opts =
-  {countof(opts), opts, countof(vars), vars, NULL};
-
-
-/* Returns the current time in seconds as a double.
- */
-static double
-double_time (void)
-{
-  struct timeval now;
-# ifdef GETTIMEOFDAY_TWO_ARGS
-  struct timezone tzp;
-  gettimeofday(&now, &tzp);
-# else
-  gettimeofday(&now);
-# endif
-
-  return (now.tv_sec + ((double) now.tv_usec * 0.000001));
-}
-
-
-static node *
-add_node (voronoi_configuration *vp, GLfloat x, GLfloat y)
-{
-  node *nn = (node *) calloc (1, sizeof (*nn));
-  int i;
-  nn->x = x;
-  nn->y = y;
-
-  i = random() % vp->ncolors;
-  nn->color[0] = vp->colors[i].red   / 65536.0;
-  nn->color[1] = vp->colors[i].green / 65536.0;
-  nn->color[2] = vp->colors[i].blue  / 65536.0;
-  nn->color[3] = 1.0;
-
-  nn->color2[0] = nn->color[0] * 0.7;
-  nn->color2[1] = nn->color[1] * 0.7;
-  nn->color2[2] = nn->color[2] * 0.7;
-  nn->color2[3] = 1.0;
-
-  nn->ddx = frand (0.000001 * point_speed) * (random() & 1 ? 1 : -1);
-  nn->ddy = frand (0.000001 * point_speed) * (random() & 1 ? 1 : -1);
-
-  nn->rot = (random() % 360) * (random() & 1 ? 1 : -1);
-
-  nn->next = vp->nodes;
-  vp->nodes = nn;
-  vp->nnodes++;
-  return nn;
-}
-
-
-static int
-cone (void)
-{
-  int i;
-  int faces = 64;
-  GLfloat step = M_PI * 2 / faces;
-  GLfloat th = 0;
-  GLfloat x = 1;
-  GLfloat y = 0;
-
-  glBegin(GL_TRIANGLE_FAN);
-  glVertex3f (0, 0, 1);
-  for (i = 0; i < faces; i++)
-    {
-      glVertex3f (x, y, 0);
-      th += step;
-      x = cos (th);
-      y = sin (th);
-    }
-  glVertex3f (1, 0, 0);
-  glEnd();
-  return faces;
-}
-
-
-static void
-move_points (voronoi_configuration *vp)
-{
-  node *nn;
-  for (nn = vp->nodes; nn; nn = nn->next)
-    {
-      if (nn == vp->dragging) continue;
-      nn->x  += nn->dx;
-      nn->y  += nn->dy;
-
-      if (vp->mode == MODE_WAITING)
-        {
-          nn->dx += nn->ddx;
-          nn->dy += nn->ddy;
-        }
-    }
-}
-
-
-static void
-prune_points (voronoi_configuration *vp)
-{
-  node *nn;
-  node *prev = 0;
-  int lim = 5;
-
-  for (nn = vp->nodes; nn; prev = nn, nn = (nn ? nn->next : 0))
-    if (nn->x < -lim || nn->x > lim ||
-        nn->y < -lim || nn->y > lim)
-      {
-        if (prev)
-          prev->next = nn->next;
-        else
-          vp->nodes = nn->next;
-        free (nn);
-        vp->nnodes--;
-        nn = prev;
-     }
-}
-
-
-static void
-zoom_points (voronoi_configuration *vp)
-{
-  node *nn;
-
-  GLfloat tick = sin (vp->zooming * M_PI);
-  GLfloat scale = 1 + (tick * 0.02 * zoom_speed);
-
-  vp->zooming -= (0.01 * zoom_speed);
-  if (vp->zooming < 0) vp->zooming = 0;
-
-  if (vp->zooming <= 0) return;
-
-  if (scale < 1) scale = 1;
-
-  for (nn = vp->nodes; nn; nn = nn->next)
-    {
-      GLfloat x = nn->x - vp->zoom_toward[0];
-      GLfloat y = nn->y - vp->zoom_toward[1];
-      x *= scale;
-      y *= scale;
-      nn->x = x + vp->zoom_toward[0];
-      nn->y = y + vp->zoom_toward[1];
-    }
-}
-
-
-
-static void
-draw_cells (ModeInfo *mi)
-{
-  voronoi_configuration *vp = &vps[MI_SCREEN(mi)];
-  node *nn;
-  int lim = 5;
-
-  for (nn = vp->nodes; nn; nn = nn->next)
-    {
-      if (nn->x < -lim || nn->x > lim ||
-          nn->y < -lim || nn->y > lim)
-        continue;
-
-      glPushMatrix();
-      glTranslatef (nn->x, nn->y, 0);
-      glScalef (lim*2, lim*2, 1);
-      glColor4fv (nn->color);
-      mi->polygon_count += cone ();
-      glPopMatrix();
-    }
-
-  glClear (GL_DEPTH_BUFFER_BIT);
-
-  if (vp->point_size <= 0)
-    ;
-  else if (vp->point_size < 3)
-    {
-      glPointSize (vp->point_size);
-      for (nn = vp->nodes; nn; nn = nn->next)
-        {
-          glBegin (GL_POINTS);
-          glColor4fv (nn->color2);
-          glVertex2f (nn->x, nn->y);
-          glEnd();
-          mi->polygon_count++;
-        }
-    }
-  else
-    {
-      for (nn = vp->nodes; nn; nn = nn->next)
-        {
-          int w = MI_WIDTH (mi);
-          int h = MI_HEIGHT (mi);
-          int s = vp->point_size;
-          int i;
-
-          glColor4fv (nn->color2);
-          glPushMatrix();
-          glTranslatef (nn->x, nn->y, 0);
-          glScalef (1.0 / w * s, 1.0 / h * s, 1);
-
-          glLineWidth (vp->point_size / 10);
-          nn->rot += (nn->rot < 0 ? -1 : 1);
-          glRotatef (nn->rot, 0, 0, 1);
-
-          glRotatef (180, 0, 0, 1);
-          for (i = 0; i < 5; i++)
-            {
-              glBegin (GL_TRIANGLES);
-              glVertex2f (0, 1);
-              glVertex2f (-0.2, 0);
-              glVertex2f ( 0.2, 0);
-              glEnd ();
-              glRotatef (360.0/5, 0, 0, 1);
-              mi->polygon_count++;
-            }
-          glPopMatrix();
-        }
-    }
-
-#if 0
-  glPushMatrix();
-  glColor3f(1,1,1);
-  glBegin(GL_LINE_LOOP);
-  glVertex3f(0,0,0);
-  glVertex3f(1,0,0);
-  glVertex3f(1,1,0);
-  glVertex3f(0,1,0);
-  glEnd();
-  glScalef(0.25, 0.25, 1);
-  glBegin(GL_LINE_LOOP);
-  glVertex3f(0,0,0);
-  glVertex3f(1,0,0);
-  glVertex3f(1,1,0);
-  glVertex3f(0,1,0);
-  glEnd();
-  glPopMatrix();
-#endif
-}
-
-
-/* Window management, etc
- */
-ENTRYPOINT void
-reshape_voronoi (ModeInfo *mi, int width, int height)
-{
-/*  voronoi_configuration *vp = &vps[MI_SCREEN(mi)];*/
-
-  glViewport (0, 0, (GLint) width, (GLint) height);
-
-  glMatrixMode(GL_PROJECTION);
-  glLoadIdentity();
-  glOrtho (0, 1, 1, 0, -1, 1);
-
-# ifdef HAVE_MOBILE	/* So much WTF */
-  {
-    int rot = current_device_rotation();
-
-    glTranslatef (0.5, 0.5, 0);
-    /* glScalef(0.19, 0.19, 0.19); */
-
-    if (rot == 180 || rot == -180) {
-      glTranslatef (1, 1, 0);
-    } else if (rot == 90 || rot == -270) {
-      glRotatef (180, 0, 0, 1);
-      glTranslatef (0, 1, 0);
-    } else if (rot == -90 || rot == 270) {
-      glRotatef (180, 0, 0, 1);
-      glTranslatef (1, 0, 0);
-    }
-
-    glTranslatef(-0.5, -0.5, 0);
-  }
-# endif
-
-  glMatrixMode(GL_MODELVIEW);
-  glLoadIdentity();
-
-  glClear(GL_COLOR_BUFFER_BIT);
-}
-
-
-static node *
-find_node (ModeInfo *mi, GLfloat x, GLfloat y)
-{
-  voronoi_configuration *vp = &vps[MI_SCREEN(mi)];
-  int ps = (vp->point_size < 5 ? 5 : vp->point_size);
-  GLfloat hysteresis = (1.0 / MI_WIDTH (mi)) * ps;
-  node *nn;
-  for (nn = vp->nodes; nn; nn = nn->next)
-    if (nn->x > x - hysteresis && nn->x < x + hysteresis &&
-        nn->y > y - hysteresis && nn->y < y + hysteresis)
-      return nn;
-  return 0;
-}
-
-
-ENTRYPOINT Bool
-voronoi_handle_event (ModeInfo *mi, XEvent *event)
-{
-  voronoi_configuration *vp = &vps[MI_SCREEN(mi)];
-
-  if (event->xany.type == ButtonPress)
-    {
-      GLfloat x = (GLfloat) event->xbutton.x / MI_WIDTH (mi);
-      GLfloat y = (GLfloat) event->xbutton.y / MI_HEIGHT (mi);
-      node *nn = find_node (mi, x, y);
-      if (!nn)
-        nn = add_node (vp, x, y);
-      vp->dragging = nn;
-
-      return True;
-    }
-  else if (event->xany.type == ButtonRelease && vp->dragging)
-    {
-      vp->dragging = 0;
-      return True;
-    }
-  else if (event->xany.type == MotionNotify && vp->dragging)
-    {
-      vp->dragging->x = (GLfloat) event->xmotion.x / MI_WIDTH (mi);
-      vp->dragging->y = (GLfloat) event->xmotion.y / MI_HEIGHT (mi);
-      return True;
-    }
-
-  return False;
-}
-
-static void
-state_change (ModeInfo *mi)
-{
-  voronoi_configuration *vp = &vps[MI_SCREEN(mi)];
-  double now = double_time();
-
-  if (vp->dragging)
-    {
-      vp->last_time = now;
-      vp->adding = 0;
-      vp->zooming = 0;
-      return;
-    }
-
-  switch (vp->mode)
-    {
-    case MODE_WAITING:
-      if (vp->last_time + zoom_delay <= now)
-        {
-          node *tn = vp->nodes;
-          vp->zoom_toward[0] = (tn ? tn->x : 0.5);
-          vp->zoom_toward[1] = (tn ? tn->y : 0.5);
-
-          vp->mode = MODE_ZOOMING;
-          vp->zooming = 1;
-
-          vp->last_time = now;
-        }
-      break;
-
-    case MODE_ADDING:
-      if (vp->last_time + point_delay <= now)
-        {
-          add_node (vp, 
-                    BELLRAND(0.5) + 0.25, 
-                    BELLRAND(0.5) + 0.25);
-          vp->last_time = now;
-          vp->adding--;
-          if (vp->adding <= 0)
-            {
-              vp->adding = 0;
-              vp->mode = MODE_WAITING;
-              vp->last_time = now;
-            }
-        }
-      break;
-
-    case MODE_ZOOMING:
-      {
-        zoom_points (vp);
-        if (vp->zooming <= 0)
-          {
-            vp->mode = MODE_ADDING;
-            vp->adding = npoints;
-            vp->last_time = now;
-          }
-      }
-      break;
-
-    default:
-      abort();
-    }
-}
-
-
-ENTRYPOINT void 
-init_voronoi (ModeInfo *mi)
-{
-  voronoi_configuration *vp;
-
-  MI_INIT (mi, vps);
-
-  vp = &vps[MI_SCREEN(mi)];
-
-  vp->glx_context = init_GL(mi);
-
-  vp->point_size = point_size;
-  if (vp->point_size < 0) vp->point_size = 10;
-
-  if (MI_WIDTH(mi) > 2560) vp->point_size *= 2;  /* Retina displays */
-
-  vp->ncolors = 128;
-  vp->colors = (XColor *) calloc (vp->ncolors, sizeof(XColor));
-  make_smooth_colormap (0, 0, 0,
-                        vp->colors, &vp->ncolors,
-                        False, False, False);
-
-  reshape_voronoi (mi, MI_WIDTH(mi), MI_HEIGHT(mi));
-
-  vp->mode = MODE_ADDING;
-  vp->adding = npoints * 2;
-  vp->last_time = 0;
-}
-
-
-ENTRYPOINT void
-draw_voronoi (ModeInfo *mi)
-{
-  voronoi_configuration *vp = &vps[MI_SCREEN(mi)];
-  Display *dpy = MI_DISPLAY(mi);
-  Window window = MI_WINDOW(mi);
-
-  if (!vp->glx_context)
-    return;
-
-  glXMakeCurrent(MI_DISPLAY(mi), MI_WINDOW(mi), *vp->glx_context);
-
-  glShadeModel(GL_FLAT);
-  glEnable(GL_POINT_SMOOTH);
-/*  glEnable(GL_LINE_SMOOTH);*/
-/*  glEnable(GL_POLYGON_SMOOTH);*/
-
-  glEnable (GL_DEPTH_TEST);
-  glDepthFunc (GL_LEQUAL);
-
-  glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
-  mi->polygon_count = 0;
-  draw_cells (mi);
-  move_points (vp);
-  prune_points (vp);
-  state_change (mi);
-
-  if (mi->fps_p) do_fps (mi);
-  glFinish();
-
-  glXSwapBuffers(dpy, window);
-}
-
-
-ENTRYPOINT void
-free_voronoi (ModeInfo *mi)
-{
-  voronoi_configuration *vp = &vps[MI_SCREEN(mi)];
-  node *n;
-  if (!vp->glx_context) return;
-  glXMakeCurrent(MI_DISPLAY(mi), MI_WINDOW(mi), *vp->glx_context);
-  if (vp->colors) free (vp->colors);
-  n = vp->nodes;
-  while (n) {
-    node *n2 = n->next;
-    free (n);
-    n = n2;
-  }
-}
-
-XSCREENSAVER_MODULE ("Voronoi", voronoi)
-
-#endif /* USE_GL */