X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?p=xscreensaver;a=blobdiff_plain;f=hacks%2Fglx%2Fglknots.c;h=15c67dee56c5acd471eb31ef14cb0e42e78bb3ac;hp=255bc36b488395a51f060ac0766998e942daf957;hb=4361b69d3178d7fc98d0388f9a223af6c2651aba;hpb=9c9d475ff889ed8be02e8ce8c17da28b93278fca diff --git a/hacks/glx/glknots.c b/hacks/glx/glknots.c index 255bc36b..15c67dee 100644 --- a/hacks/glx/glknots.c +++ b/hacks/glx/glknots.c @@ -1,4 +1,4 @@ -/* glknots, Copyright (c) 2003, 2004 Jamie Zawinski +/* glknots, Copyright (c) 2003-2014 Jamie Zawinski * * Permission to use, copy, modify, distribute, and sell this software and its * documentation for any purpose is hereby granted without fee, provided that @@ -13,35 +13,13 @@ * http://astronomy.swin.edu.au/~pbourke/curves/knot/ */ -#include - -extern XtAppContext app; - -#define PROGCLASS "GLKnots" -#define HACK_INIT init_knot -#define HACK_DRAW draw_knot -#define HACK_RESHAPE reshape_knot -#define HACK_HANDLE_EVENT knot_handle_event -#define EVENT_MASK PointerMotionMask -#define sws_opts xlockmore_opts - -#define DEF_SPIN "XYZ" -#define DEF_WANDER "True" -#define DEF_SPEED "1.0" -#define DEF_THICKNESS "0.3" -#define DEF_SEGMENTS "800" -#define DEF_DURATION "8" - #define DEFAULTS "*delay: 30000 \n" \ "*showFPS: False \n" \ "*wireframe: False \n" \ - "*speed: " DEF_SPEED " \n" \ - "*spin: " DEF_SPIN "\n" \ - "*wander: " DEF_WANDER "\n" \ - "*thickness: " DEF_THICKNESS "\n" \ - "*segments: " DEF_SEGMENTS "\n" \ - "*duration: " DEF_DURATION "\n" \ + "*suppressRotationAnimation: True\n" \ +# define refresh_knot 0 +# define release_knot 0 #undef countof #define countof(x) (sizeof((x))/sizeof((*x))) @@ -54,7 +32,12 @@ extern XtAppContext app; #ifdef USE_GL /* whole file */ -#include +#define DEF_SPIN "XYZ" +#define DEF_WANDER "True" +#define DEF_SPEED "1.0" +#define DEF_THICKNESS "0.3" +#define DEF_SEGMENTS "800" +#define DEF_DURATION "8" typedef struct { GLXContext *glx_context; @@ -72,6 +55,9 @@ typedef struct { int mode_tick; Bool clear_p; + time_t last_time; + int draw_tick; + } knot_configuration; static knot_configuration *bps = NULL; @@ -103,7 +89,7 @@ static argtype vars[] = { {&duration, "duration", "Duration", DEF_DURATION, t_Int}, }; -ModeSpecOpt sws_opts = {countof(opts), opts, countof(vars), vars, NULL}; +ENTRYPOINT ModeSpecOpt knot_opts = {countof(opts), opts, countof(vars), vars, NULL}; static void @@ -173,12 +159,10 @@ make_knot (ModeInfo *mi) di = (di * di * 3); } - tube (ox, oy, oz, - x, y, z, - di, dist/3, - faces, True, wire, wire); - - mi->polygon_count += faces; + mi->polygon_count += tube (ox, oy, oz, + x, y, z, + di, dist/3, + faces, True, wire, wire); } ox = x; @@ -190,7 +174,7 @@ make_knot (ModeInfo *mi) /* Window management, etc */ -void +ENTRYPOINT void reshape_knot (ModeInfo *mi, int width, int height) { GLfloat h = (GLfloat) height / (GLfloat) width; @@ -207,6 +191,14 @@ reshape_knot (ModeInfo *mi, int width, int height) 0.0, 0.0, 0.0, 0.0, 1.0, 0.0); +# ifdef HAVE_MOBILE /* Keep it the same relative size when rotated. */ + { + int o = (int) current_device_rotation(); + if (o != 0 && o != 180 && o != -180) + glScalef (1/h, 1/h, 1/h); + } +# endif + glClear(GL_COLOR_BUFFER_BIT); } @@ -239,32 +231,18 @@ new_knot (ModeInfo *mi) } -Bool +ENTRYPOINT Bool knot_handle_event (ModeInfo *mi, XEvent *event) { knot_configuration *bp = &bps[MI_SCREEN(mi)]; - if (event->xany.type == ButtonPress && - event->xbutton.button & Button1) - { - bp->button_down_p = True; - gltrackball_start (bp->trackball, - event->xbutton.x, event->xbutton.y, - MI_WIDTH (mi), MI_HEIGHT (mi)); - return True; - } - else if (event->xany.type == ButtonRelease && - event->xbutton.button & Button1) - { - bp->button_down_p = False; - return True; - } - else if (event->xany.type == MotionNotify && - bp->button_down_p) + if (gltrackball_event_handler (event, bp->trackball, + MI_WIDTH (mi), MI_HEIGHT (mi), + &bp->button_down_p)) + return True; + else if (screenhack_event_helper (MI_DISPLAY(mi), MI_WINDOW(mi), event)) { - gltrackball_track (bp->trackball, - event->xmotion.x, event->xmotion.y, - MI_WIDTH (mi), MI_HEIGHT (mi)); + bp->last_time = 1; return True; } @@ -273,22 +251,13 @@ knot_handle_event (ModeInfo *mi, XEvent *event) -void +ENTRYPOINT void init_knot (ModeInfo *mi) { knot_configuration *bp; int wire = MI_IS_WIREFRAME(mi); - if (!bps) { - bps = (knot_configuration *) - calloc (MI_NUM_SCREENS(mi), sizeof (knot_configuration)); - if (!bps) { - fprintf(stderr, "%s: out of memory\n", progname); - exit(1); - } - - bp = &bps[MI_SCREEN(mi)]; - } + MI_INIT (mi, bps, NULL); bp = &bps[MI_SCREEN(mi)]; @@ -331,6 +300,7 @@ init_knot (ModeInfo *mi) if (*s == 'x' || *s == 'X') spinx = True; else if (*s == 'y' || *s == 'Y') spiny = True; else if (*s == 'z' || *s == 'Z') spinz = True; + else if (*s == '0') ; else { fprintf (stderr, @@ -347,7 +317,7 @@ init_knot (ModeInfo *mi) spin_accel, do_wander ? wander_speed : 0, (spinx && spiny && spinz)); - bp->trackball = gltrackball_init (); + bp->trackball = gltrackball_init (True); } bp->knot_list = glGenLists (1); @@ -357,36 +327,35 @@ init_knot (ModeInfo *mi) } -void +ENTRYPOINT void draw_knot (ModeInfo *mi) { knot_configuration *bp = &bps[MI_SCREEN(mi)]; Display *dpy = MI_DISPLAY(mi); Window window = MI_WINDOW(mi); - static GLfloat bcolor[4] = {0.0, 0.0, 0.0, 1.0}; - static GLfloat bspec[4] = {1.0, 1.0, 1.0, 1.0}; - static GLfloat bshiny = 128.0; - - static time_t last_time = 0; + GLfloat bcolor[4] = {0.0, 0.0, 0.0, 1.0}; + GLfloat bspec[4] = {1.0, 1.0, 1.0, 1.0}; + GLfloat bshiny = 128.0; if (!bp->glx_context) return; + glXMakeCurrent(MI_DISPLAY(mi), MI_WINDOW(mi), *(bp->glx_context)); + if (bp->mode == 0) { - static int tick = 0; - if (tick++ > 10) + if (bp->draw_tick++ > 10) { time_t now = time((time_t *) 0); - if (last_time == 0) last_time = now; - tick = 0; + if (bp->last_time == 0) bp->last_time = now; + bp->draw_tick = 0; if (!bp->button_down_p && - now - last_time >= duration) + now - bp->last_time >= duration) { bp->mode = 1; /* go out */ - bp->mode_tick = 10 * speed; - last_time = now; + bp->mode_tick = 10 / speed; + bp->last_time = now; } } } @@ -395,7 +364,7 @@ draw_knot (ModeInfo *mi) if (--bp->mode_tick <= 0) { new_knot (mi); - bp->mode_tick = 10 * speed; + bp->mode_tick = 10 / speed; bp->mode = 2; /* go in */ } } @@ -449,8 +418,8 @@ draw_knot (ModeInfo *mi) if (bp->mode != 0) { GLfloat s = (bp->mode == 1 - ? bp->mode_tick / (10 * speed) - : ((10 * speed) - bp->mode_tick + 1) / (10 * speed)); + ? bp->mode_tick / (10 / speed) + : ((10 / speed) - bp->mode_tick + 1) / (10 / speed)); glScalef (s, s, s); } @@ -464,4 +433,6 @@ draw_knot (ModeInfo *mi) glXSwapBuffers(dpy, window); } +XSCREENSAVER_MODULE_2 ("GLKnots", glknots, knot) + #endif /* USE_GL */