/* * National Center for Supercomputing Applications, University of Illinois * * This NCSA software product is public domain software. Permission * is hereby granted to do whatever you like with it. Should you wish * to make a contribution towards the production of this software, please * send us your comments about your experience with the software, why * you liked or disliked it, how you use it, and most importantly, how it * helps your work. We will receive your comments at softdev@ncsa.uiuc.edu. * * Please send bug reports to bugs@ncsa.uiuc.edu * * Author: Brian Calvert, NCSA * bcalvert@ncsa.uiuc.edu */ /* * File: pv.h * Contents: Constants, defines, global variables, and function * prototypes for PolyView. */ /* * Versions: * 1.00 90-07-02 * Initial release. No changes from beta version. * * 1.01 90-07-20 * Removed "beta notices" from code. * Updated PV_STR string to 1.01. * * 1.02 90-08-13 * Changed "render" to "draw" in view window menu. * Changed "labels" description in args table. * Added check for turning on polygons at start up. */ /* INCLUDE FILES */ #include #include #include #include #include "args.h" /* CONSTANTS */ #define FAILURE 1 #define SUCCESS 0 #define MIN_FLOAT -1e126 #define MAX_FLOAT 1e127 #define PI 3.1415926535897392384625433 #define X 0 #define Y 1 #define Z 2 #define DIMS 3 #define NCSA_STR "National Center for Supercomputing Applications" #define UIUC_STR "University of Illinois at Urbana-Champaign" #define PV_STR "PolyView 1.02" /* Maxima */ #define MAXLINELEN 1024 #define MAXPATHLEN 256 #define MAXNAMELEN 80 #define PALETTE_X 120 #define PALETTE_Y 300 #define NTSC_XSIZ 480 /* Typcally 640 */ #define NTSC_YSIZ 480 /* Typcally 480 */ #define NTSC_ASPECT NTSC_XSIZ / NTSC_YSIZ /* COLOR SUPPORT CONSTANTS AND MACROS */ #define SPEC_BASE 512 #define SPEC_SIZE 254 #define LOGO_BASE (SPEC_BASE+SPEC_SIZE+2) #define LOGO_SIZE 64 /* 75 */ #define BACKGROUND (SPEC_BASE) #define FOREGROUND (SPEC_BASE + SPEC_SIZE + 1) #define MAP_COLOR(min,v,max) (1 + (int) SPEC_BASE + (unsigned int) \ ( ((v-min)/(max-min))*(SPEC_SIZE-1) + 0.99) ) #define SPEC_BLUE 0 #define SPEC_GREEN ((SPEC_SIZE/2) - 1) #define SPEC_RED (SPEC_SIZE) #define SPEC_BLACK 0 #define SPEC_WHITE (SPEC_SIZE) #define RGB_INCREMENT ((float) 256) / (SPEC_SIZE / 2) #define GRAY_INCREMENT (((float) 256) / SPEC_SIZE) #define R 0 #define G 1 #define B 2 /* Colormap types */ #define LOAD_SPEC 0 #define RBOW_SPEC 1 #define RGB_SPEC 2 #define GRAY_SPEC 3 #define CNTR_SPEC 4 #define MAP_SPEC 5 /* MACROS */ #define MIN(a,b) (((a)<(b))?(a):(b)) #define ABS(a) (((a)>=0)?(a):(-(a))) #define MAX(a,b) (((a)>(b))?(a):(b)) #define SQR(a) ((a)*(a)) #define VALINC(v) (((v) == NULL) ? 0.0 : *((v)++)) #define VALOFF(v,o) (((v) == NULL) ? 0.0 : *(v+o)) /* DATA STRUCTURES */ /* Window information in-memory data structure */ typedef struct windat_s { int win_id; char * data; int (*redraw_fn)(); int (*event_fn)(); int redrawn; int animated; struct windat_s * next; } windat_t; /* Dataset in-memory structure */ typedef struct dataset_s { char fn[MAXPATHLEN]; char group[MAXNAMELEN]; char name[MAXNAMELEN]; int used; int type; float min; float max; long size; char * value; struct dataset_s * next; } dataset_t; /* Data descriptor structure */ typedef struct datadesc_s { char name[MAXNAMELEN]; dataset_t * ds; } datadesc_t; /* Image data structure */ typedef struct image_s { char fn[MAXPATHLEN]; char palette[MAXPATHLEN]; char ris8out[MAXPATHLEN]; char group[MAXNAMELEN]; datadesc_t p[DIMS]; datadesc_t connect; datadesc_t color; struct image_s * next; } image_t; /* Current state of the system */ typedef struct state_s { windat_t * window; int active_id; int menu_id; int at_point; int at_mode; int axes; int box; int constant; int depth; int fly_mode; int from_mode; int instrumentation; int labels; int lines; int ortho; int outlines; int points; int polygons; } state_t; /* Animation status */ typedef struct animation_s { int reverse; int time_last_redraw; int forward; int speed; } animation_t; typedef struct parse_s { char * word; int (*parse_fn) (); } parse_t; /* Global variables */ extern int quit_m; /* Menu ids for window menus */ extern int vrender_m; extern int vshade_m; extern int voverlay_m; extern int vproject_m; extern int vpalette_m; extern int vview_m; extern int vanimate_m; extern int view_m; extern int nvert; /* Number of vertices per polygon (default 4) */ extern int quit; /* Time to quit the program? */ extern float scaling; /* Used for orthogonal scaling */ extern float max_width; /* Maximum width of dataset */ extern float slope; /* Slope and ... */ extern float origin; /* origin of color mapping function used by */ /* "fiddling" feature in palette window */ extern short palette[256][3]; /* Active palette color values */ extern short master_palette[256][3]; /* Master palette color values */ extern Angle view_angle; /* Azimuthal angle in x-y plane from y axis */ extern Angle twist; /* Viewing twist angle */ extern float rho; /* Distance from origin */ extern float theta; /* Azimuthal angle in x-z plane from x axis */ extern float phi; /* Incident angle measured from y axis */ extern Coord x_off; extern Coord y_off; extern Coord z_off; extern float rotation[4][4]; extern float step; /* Step size used for flights */ extern image_t main_image; /* The only image in the program (for 0.3) */ extern state_t current; /* State of view (only one in 0.60) */ extern image_t * cur_image; /* Pointer to currently displayed image */ extern image_t * images; /* Pointer to images */ extern dataset_t * datasets; /* Pointer to list of common datasets */ extern windat_t * windows; /* Pointer to list of windows */ extern windat_t * title; /* Pointer to title window */ /* Start up parameters */ extern char flyfile[MAXPATHLEN]; /* Name of flyfile */ extern float from[3]; /* From point */ extern float orig_from[3]; /* From point */ extern float at[3]; /* At point */ /* Command line switch definitions */ extern args_t args[]; /* Command function definitions */ extern parse_t commands[]; /* Animation status */ extern animation_t animation; /* FUNCTION DECALARTIONS */ void initialize(int); void build_colormap(int); windat_t * get_windat(windat_t *, int); void handle_event(windat_t *); void build_images(args_t [], image_t **, dataset_t **); image_t * add_image(image_t **, char *); void open_windows(image_t *, windat_t **); void init_events(windat_t *); void handle_events(windat_t *); void add_set(dataset_t **, image_t *, datadesc_t *); void fill_set(dataset_t *, datadesc_t *); windat_t * create_window(char *, image_t *, windat_t **, int (*)(), int(*)()); int title_draw(windat_t *); int image_draw(windat_t *); int palette_draw(windat_t *); int instrumentation_draw(windat_t *); int do_event(windat_t *, long, short); int title_event(windat_t *, long, short); int image_event(windat_t *, long, short); int palette_event(windat_t *, long, short); void do_animation(windat_t *); float facos2(float, float); float fasin2(float, float); void cart_to_sphere(float, float, float, float *, float *, float *); void sphere_to_cart(float, float, float, float *, float *, float *); void gprintf(long, long, char *, float); int patmatch(char *, char *); void init_menus(); int from_c(char *); int at_c(char *); int do_fly(int); int ortho_mode(int); int persp_mode(int); int point_mode(int); int lines_mode(int); int polygon_mode(int); int depth_mode(int); int constant_mode(int); int gouraud_mode(int); int palette_pick(int); int at_point_tgl(int); int axes_tgl(int); int box_tgl(int); int labels_tgl(int); int outlines_tgl(int); int forward(int); int forward1(int); int stop(int); int reverse1(int); int reverse(int); int do_redraw(int); int do_pop(int); int do_reset(int); int write_hdf(int); int read_scr(long *, long *, unsigned char *);