/* xlockmore.h --- xscreensaver compatibility layer for xlockmore modules. * xscreensaver, Copyright (c) 1997-2003 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 * 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. * * The definitions in this file make it possible to compile an xlockmore * module into a standalone program, and thus use it with xscreensaver. * By Jamie Zawinski on 10-May-97; based on the ideas * in the older xlock.h by Charles Hannum . (I had * to redo it, since xlockmore has diverged so far from xlock...) */ #if !defined(PROGCLASS) || !defined(HACK_INIT) || !defined(HACK_DRAW) ERROR! Define PROGCLASS, HACK_INIT, and HACK_DRAW before including xlockmore.h #endif #include "config.h" #ifndef __STDC__ ERROR! Sorry, xlockmore.h requires ANSI C (gcc, for example.) /* (The ansi dependency is that we use string concatenation, and cpp-based stringification of tokens.) */ #endif #include #include #include "xlockmoreI.h" #ifdef USE_GL # include extern GLXContext *init_GL (ModeInfo *); extern void clear_gl_error (void); extern void check_gl_error (const char *type); extern void do_fps (ModeInfo *); extern GLfloat fps_1 (ModeInfo *); extern void fps_2 (ModeInfo *); # define FreeAllGL(dpy) /* */ #endif /* !USE_GL */ /* Accessor macros for the ModeInfo structure */ #define MI_DISPLAY(MI) ((MI)->dpy) #define MI_WINDOW(MI) ((MI)->window) #define MI_NUM_SCREENS(MI) (1) /* Only manage one screen at a time; */ #define MI_SCREEN(MI) (0) /* this might be fragile... */ #define MI_WIN_WHITE_PIXEL(MI) ((MI)->white) #define MI_WIN_BLACK_PIXEL(MI) ((MI)->black) #define MI_NPIXELS(MI) ((MI)->npixels) #define MI_PIXEL(MI,N) ((MI)->pixels[(N)]) #define MI_WIN_WIDTH(MI) ((MI)->xgwa.width) #define MI_WIN_HEIGHT(MI) ((MI)->xgwa.height) #define MI_WIN_DEPTH(MI) ((MI)->xgwa.depth) #define MI_WIN_COLORMAP(MI) ((MI)->xgwa.colormap) #define MI_VISUAL(MI) ((MI)->xgwa.visual) #define MI_GC(MI) ((MI)->gc) #define MI_PAUSE(MI) ((MI)->pause) #define MI_WIN_IS_FULLRANDOM(MI)((MI)->fullrandom) #define MI_WIN_IS_VERBOSE(MI) (False) #define MI_WIN_IS_INSTALL(MI) (True) #define MI_WIN_IS_MONO(MI) (mono_p) #define MI_WIN_IS_INROOT(MI) ((MI)->root_p) #define MI_WIN_IS_INWINDOW(MI) (!(MI)->root_p) #define MI_WIN_IS_ICONIC(MI) (False) #define MI_WIN_IS_WIREFRAME(MI) ((MI)->wireframe_p) #define MI_WIN_IS_USE3D(MI) ((MI)->threed) #define MI_LEFT_COLOR(MI) ((MI)->threed_left_color) #define MI_RIGHT_COLOR(MI) ((MI)->threed_right_color) #define MI_BOTH_COLOR(MI) ((MI)->threed_both_color) #define MI_NONE_COLOR(MI) ((MI)->threed_none_color) #define MI_DELTA3D(MI) ((MI)->threed_delta) #define MI_CYCLES(MI) ((MI)->cycles) #define MI_BATCHCOUNT(MI) ((MI)->batchcount) #define MI_SIZE(MI) ((MI)->size) #define MI_IS_DRAWN(MI) ((MI)->is_drawn) #define MI_IS_FPS(MI) ((MI)->fps_p) #define MI_NCOLORS(MI) ((MI)->npixels) #define MI_NAME(MI) (progname) #define MI_COLORMAP(MI) (MI_WIN_COLORMAP((MI))) #define MI_WIDTH(MI) (MI_WIN_WIDTH((MI))) #define MI_HEIGHT(MI) (MI_WIN_HEIGHT((MI))) #define MI_IS_ICONIC(MI) (MI_WIN_IS_ICONIC((MI))) #define MI_IS_WIREFRAME(MI) (MI_WIN_IS_WIREFRAME((MI))) #define MI_IS_MONO(MI) (MI_WIN_IS_MONO((MI))) #define MI_COUNT(MI) (MI_BATCHCOUNT((MI))) #define MI_BLACK_PIXEL(MI) (MI_WIN_BLACK_PIXEL(MI)) #define MI_WHITE_PIXEL(MI) (MI_WIN_WHITE_PIXEL(MI)) #define MI_IS_FULLRANDOM(MI) (MI_WIN_IS_FULLRANDOM(MI)) #define MI_IS_VERBOSE(MI) (MI_WIN_IS_VERBOSE(MI)) #define MI_IS_INSTALL(MI) (MI_WIN_IS_INSTALL(MI)) #define MI_IS_DEBUG(MI) (False) #define MI_IS_MOUSE(MI) (False) #define MI_CLEARWINDOW(mi) XClearWindow(MI_DISPLAY(mi), MI_WINDOW(mi)) /* Some other utility macros. */ #define SINF(n) ((float)sin((double)(n))) #define COSF(n) ((float)cos((double)(n))) #define FABSF(n) ((float)fabs((double)(n))) #undef MAX #undef MIN #undef ABS #define MAX(a,b)((a)>(b)?(a):(b)) #define MIN(a,b)((a)<(b)?(a):(b)) #define ABS(a)((a)<0 ? -(a) : (a)) /* Maximum possible number of colors (*not* default number of colors.) */ #define NUMCOLORS 256 /* The globals that screenhack.c expects (initialized by xlockmore.c). */ char *defaults[100]; XrmOptionDescRec options[100]; /* Prototypes for the actual drawing routines... */ extern void HACK_INIT(ModeInfo *); extern void HACK_DRAW(ModeInfo *); #ifdef HACK_FREE extern void HACK_FREE(ModeInfo *); #else # define HACK_FREE 0 #endif #ifdef HACK_RESHAPE extern void HACK_RESHAPE(ModeInfo *, int width, int height); #else # define HACK_RESHAPE 0 #endif #ifdef HACK_HANDLE_EVENT extern Bool HACK_HANDLE_EVENT(ModeInfo *, XEvent *e); #else # define HACK_HANDLE_EVENT 0 #endif /* Emit code for the entrypoint used by screenhack.c, and pass control down into xlockmore.c with the appropriate parameters. */ char *progclass = PROGCLASS; void screenhack (Display *dpy, Window window) { xlockmore_screenhack (dpy, window, #ifdef WRITABLE_COLORS True, #else False, #endif #ifdef UNIFORM_COLORS True, #else False, #endif #ifdef SMOOTH_COLORS True, #else False, #endif #ifdef BRIGHT_COLORS True, #else False, #endif #ifdef EVENT_MASK EVENT_MASK, #else 0, #endif HACK_INIT, HACK_DRAW, HACK_RESHAPE, HACK_HANDLE_EVENT, HACK_FREE); } const char *app_defaults = DEFAULTS ;