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- /* GNUPLOT - grass.trm */
- /*-
- * Copyright (C) 1992,1993. James Darrell McCauley
- *
- * Permission to use, copy, and distribute this software and its
- * documentation for any purpose with or without fee is hereby granted,
- * provided that the above copyright notice appear in all copies and
- * that both that copyright notice and this permission notice appear
- * in supporting documentation.
- *
- * Permission to modify the software is granted, but not the right to
- * distribute the modified code. Modifications are to be distributed
- * as patches to released version.
- *
- * This software is provided "as is" without express or implied warranty.
- *
- * This file is included by ../term.c.
- *
- * This terminal driver supports:
- * GRASS graphics driver
- *
- * AUTHOR
- * James Darrell McCauley
- *
- * send your comments or suggestions to (grassp-list@moon.cecer.army.mil).
- *
- */
- #include <stdio.h>
- /* #include "gis.h" */ /* this causes conflicts with things in term.c */
-
- #define GRASS_XMAX 1000
- #define GRASS_YMAX 1000
- #define GRASS_VCHAR 5
- #define GRASS_HCHAR 5
- #define GRASS_VTIC 3
- #define GRASS_HTIC 3
-
- #define PNT_SIZE 3
- #define TYPE_DOT -1
- #define TYPE_X 0
- #define TYPE_PLUS 1
- #define TYPE_BOX 2
- #define TYPE_DIAMOND 3 /* need type 4 and 5 */
- #define TYPE_TRIANGLE 4
- #define TYPE_OCTO 5
- #define TYPE_ITRIANGLE 6
- #define TYPE_FBOX 7
- #define TYPE_FTRIANGLE 8
- #define TYPE_FITRIANGLE 9
- #define TYPE_FOCTO 10
-
- int R__curx, R__cury;
-
- int yoffset;
- int xoffset;
- int y_max;
- int points_buf_x[PNT_SIZE*PNT_SIZE]; /* for filled point types */
- int points_buf_y[PNT_SIZE*PNT_SIZE];
-
- GRASS_move (x, y)
- int x, y;
- {
- /* R_move_abs (xoffset+x, yoffset-y + y_max); */
- R_move_abs (xoffset+x, yoffset-y);
- }
-
- cont_abs (x, y)
- int x, y;
- {
- /* R_cont_abs (xoffset+x, xoffset-y + y_max); */
- R_cont_abs (xoffset+x, yoffset-y);
- }
-
- GRASS_options ()
- {
- options_null (); /* no options to begin with */
- }
-
- GRASS_init ()
- {
- char buff[128];
- char window_name[64];
- float size = 3.0;
- int backcolor;
- int dots_per_line;
- int top, b, l, r;
- int textcolor;
- struct termentry *t = &term_tbl[term];
-
- G_gisinit ("g.gnuplot");
-
- R_open_driver ();
-
- D_setup (0);
-
- if (D_get_cur_wind (window_name))
- G_fatal_error ("No current window");
-
- if (D_set_cur_wind (window_name))
- G_fatal_error ("Current window not available");
-
- /* Set up the screen, conversions, and graphics */
- D_get_screen_window (&top, &b, &l, &r);
- /*
- if (D_cell_draw_setup (top, b, l, r))
- {
- sprintf (buff, "Cannot use current window");
- G_fatal_error (buff);
- }
- */
- /* D_set_overlay_mode (1); */
-
- /* Figure out where to put text */
-
- R_set_window (top, b, l, r);
- t->xmax = r-l;
- t->ymax = b-top;
- xoffset=l;
- yoffset=b;
-
- dots_per_line = (int) (size / 100.0 * (float) (t->ymax));
- t->v_char = t->h_char = (int) (.8 * (float) dots_per_line);
- R_text_size (t->h_char, t->v_char);
-
- t->v_tic = t->h_tic = 4;
-
- y_max = t->ymax; /* kludge? */
-
- R__curx = R_screen_top ();
- R__cury = R_screen_bot () + yoffset;
-
- D_erase_window();
- /*
- fprintf(stderr,"**********************************************\n");
- fprintf(stderr,"DIAGNOSTIC TERMINAL SETUP\n");
- fprintf(stderr,"top = %d\tb = %d\tl = %d\tr = %d\n", top,b,l,r);
- fprintf(stderr,"name = %s\n", t->name);
- fprintf(stderr,"description = %s\n", t->description);
- fprintf(stderr,"xmax = %d\t", (int)t->xmax);
- fprintf(stderr,"ymax = %d\n", (int)t->ymax);
- fprintf(stderr,"v_char = %d\t", (int)t->v_char);
- fprintf(stderr,"h_char = %d\n", (int)t->h_char);
- fprintf(stderr,"v_tic = %d\t", (int)t->v_tic);
- fprintf(stderr,"h_tic = %d\n", (int)t->h_tic);
- fprintf(stderr,"**********************************************\n\n");
- */
- }
-
- GRASS_reset ()
- {
- R_standard_color (D_translate_color ("black"));
- /* D_erase_window(); /* don't clear after g.gnuplot is finished */
- R_flush ();
- R_stabilize ();
- R_close_driver ();
- }
-
- GRASS_graphics ()
- {
- R_flush ();
- R_stabilize ();
- R_standard_color (D_translate_color ("black"));
- D_erase_window();
- return;
- }
-
- GRASS_text ()
- {
- R_flush ();
- R_stabilize ();
- return; /* device can't be used as a terminal */
- }
-
- GRASS_vector (x, y)
- int x, y;
- {
- cont_abs (x, y);
- R_flush ();
- R_stabilize ();
- }
-
- GRASS_linetype (lt)
- int lt;
- {
-
- while (lt > 10) lt-=10;
-
- if (lt <= -2)
- R_standard_color (D_translate_color ("gray"));
- else if (lt == -1)
- R_standard_color (D_translate_color ("white"));
- else if (lt == 0)
- R_standard_color (D_translate_color ("red"));
- else if (lt == 1)
- R_standard_color (D_translate_color ("green"));
- else if (lt == 2)
- R_standard_color (D_translate_color ("magenta"));
- else if (lt == 3)
- R_standard_color (D_translate_color ("brown"));
- else if (lt == 4)
- R_standard_color (D_translate_color ("orange"));
- else if (lt == 5)
- R_standard_color (D_translate_color ("yellow"));
- else if (lt == 6)
- R_standard_color (D_translate_color ("blue"));
- else if (lt == 7)
- R_standard_color (D_translate_color ("violet"));
- else if (lt == 8)
- R_standard_color (D_translate_color ("indigo"));
- else if (lt == 9)
- R_standard_color (D_translate_color ("gray"));
- else /* if (lt == 10) */
- R_standard_color (D_translate_color ("white"));
- R_flush ();
- R_stabilize ();
- return;
- }
-
- /* originally /usr/grass4/src/display/d.label/cmd/label.c */
-
- GRASS_put_text (x, y, str)
- int x, y;
- char *str;
- {
-
- if (strlen (str) == 0)
- return;
-
- GRASS_move (x, y);
- /* R_standard_color (D_translate_color ("white")); */
- R_text (str);
- R_flush ();
- R_stabilize ();
- }
-
- int GRASS_text_angle (ang)
- {
- return FALSE; /* GRASS cannot rotate text */
- }
-
- int GRASS_justify_text (mode)
- int mode;
- {
- return (FALSE); /* don't mess with this now */
- }
-
-
- GRASS_point (x, y, point)
- {
- switch (point)
- {
- case TYPE_DOT:
- draw_points_dot (x, y);
- break;
- case TYPE_X:
- draw_points_x (x, y);
- break;
- case TYPE_PLUS:
- draw_points_plus (x, y);
- break;
- case TYPE_BOX:
- draw_points_box (x, y);
- break;
- case TYPE_DIAMOND:
- draw_points_diamond (x, y);
- break;
- case TYPE_TRIANGLE:
- draw_points_triangle (x, y);
- break;
- case TYPE_OCTO:
- draw_points_octo (x, y);
- break;
- case TYPE_ITRIANGLE:
- draw_points_itriangle (x, y);
- break;
- case TYPE_FBOX:
- draw_points_fbox (x, y);
- break;
- case TYPE_FTRIANGLE:
- draw_points_ftriangle (x, y);
- break;
- case TYPE_FITRIANGLE:
- draw_points_fitriangle (x, y);
- break;
- case TYPE_FOCTO:
- draw_points_focto (x, y);
- break;
- }
- }
-
- /* modified from /usr/grass4/src/display/d.points/cmd/main.c */
-
- draw_points_dot (x, y)
- int x, y;
- {
- GRASS_move (x, y);
- cont_abs (x, y);
- }
-
- draw_points_diamond (x, y)
- int x, y;
- {
- GRASS_move (x, y + PNT_SIZE);
- GRASS_vector (x + PNT_SIZE, y);
- GRASS_vector (x, y - PNT_SIZE);
- GRASS_vector (x - PNT_SIZE, y);
- GRASS_vector (x, y + PNT_SIZE);
- }
-
- draw_points_box (x, y)
- int x, y;
- {
- GRASS_move (x - PNT_SIZE, y - PNT_SIZE);
- GRASS_vector (x - PNT_SIZE, y + PNT_SIZE);
- GRASS_vector (x + PNT_SIZE, y + PNT_SIZE);
- GRASS_vector (x + PNT_SIZE, y - PNT_SIZE);
- GRASS_vector (x - PNT_SIZE, y - PNT_SIZE);
- }
-
- draw_points_fbox (x, y)
- int x, y;
- {
- points_buf_x[0] = xoffset + x - PNT_SIZE;
- points_buf_y[0]= yoffset - (y + PNT_SIZE);
- points_buf_x[1] = xoffset + x + PNT_SIZE;
- points_buf_y[1]= yoffset - (y + PNT_SIZE);
- points_buf_x[2] = xoffset + x + PNT_SIZE;
- points_buf_y[2]= yoffset - (y - PNT_SIZE);
- points_buf_x[3] = xoffset + x - PNT_SIZE;
- points_buf_y[3]= yoffset - (y - PNT_SIZE);
- R_polygon_abs(points_buf_x, points_buf_y, 4 );
- }
-
- draw_points_itriangle (x, y)
- int x, y;
- {
- GRASS_move (x - PNT_SIZE, y + PNT_SIZE);
- GRASS_vector (x + PNT_SIZE, y + PNT_SIZE);
- GRASS_vector (x , y - PNT_SIZE);
- GRASS_vector (x - PNT_SIZE, y + PNT_SIZE);
- }
-
- draw_points_fitriangle (x, y)
- int x, y;
- {
- points_buf_x[0] = xoffset + x + PNT_SIZE;
- points_buf_y[0] = yoffset - (y + PNT_SIZE);
- points_buf_x[1] = xoffset + x ;
- points_buf_y[1] = yoffset - (y - PNT_SIZE);
- points_buf_x[2] = xoffset + x - PNT_SIZE;
- points_buf_y[2] = yoffset - (y + PNT_SIZE);
- R_polygon_abs(points_buf_x, points_buf_y, 3 );
- }
-
- draw_points_triangle (x, y)
- int x, y;
- {
- GRASS_move (x - PNT_SIZE, y - PNT_SIZE);
- GRASS_vector (x , y + PNT_SIZE);
- GRASS_vector (x + PNT_SIZE, y - PNT_SIZE);
- GRASS_vector (x - PNT_SIZE, y - PNT_SIZE);
- }
-
- draw_points_ftriangle (x, y)
- int x, y;
- {
- points_buf_x[0] = xoffset + x;
- points_buf_y[0]= yoffset - (y + PNT_SIZE);
- points_buf_x[1] = xoffset + x + PNT_SIZE;
- points_buf_y[1]= yoffset - (y - PNT_SIZE);
- points_buf_x[2] = xoffset + x - PNT_SIZE;
- points_buf_y[2]= yoffset - (y - PNT_SIZE);
- R_polygon_abs(points_buf_x, points_buf_y, 3 );
- }
-
- draw_points_plus (x, y)
- int x, y;
- {
- GRASS_move (x - PNT_SIZE, y);
- GRASS_vector (x + PNT_SIZE, y);
- GRASS_move (x, y - PNT_SIZE);
- GRASS_vector (x, y + PNT_SIZE);
- }
-
- /* depends on PNT_SIZE */
- draw_points_octo (x, y)
- int x, y;
- {
- /* CCW */
- GRASS_move (x - (int) (PNT_SIZE/3), y - PNT_SIZE); /* 1 */
- GRASS_vector (x + (int) (PNT_SIZE/3), y - PNT_SIZE); /* 2 */
- GRASS_vector (x + PNT_SIZE, y - (int) (PNT_SIZE/3)); /* 3 */
- GRASS_vector (x + PNT_SIZE, y + (int) (PNT_SIZE/3)); /* 4 */
- GRASS_vector (x + (int) (PNT_SIZE/3), y + PNT_SIZE); /* 5 */
- GRASS_vector (x - (int) (PNT_SIZE/3), y + PNT_SIZE); /* 6 */
- GRASS_vector (x - PNT_SIZE, y + (int) (PNT_SIZE/3)); /* 7 */
- GRASS_vector (x - PNT_SIZE, y - (int) (PNT_SIZE/3)); /* 8 */
- GRASS_vector (x - (int) (PNT_SIZE/3), y - PNT_SIZE); /* 1 */
- }
-
- /* depends on PNT_SIZE */
- draw_points_focto (x, y)
- int x, y;
- {
- /* CCW */
- points_buf_x[0] = xoffset + x + (int) (PNT_SIZE/3);
- points_buf_y[0] = yoffset - (y - PNT_SIZE);
- points_buf_x[1] = xoffset + x + PNT_SIZE;
- points_buf_y[1] = yoffset - (y - (int) (PNT_SIZE/3));
- points_buf_x[2] = xoffset + x + PNT_SIZE;
- points_buf_y[2] = yoffset - (y + (int) (PNT_SIZE/3));
- points_buf_x[3] = xoffset + x + (int) (PNT_SIZE/3);
- points_buf_y[3] = yoffset - (y + PNT_SIZE);
- points_buf_x[4] = xoffset + x - (int) (PNT_SIZE/3);
- points_buf_y[4] = yoffset - (y + PNT_SIZE);
- points_buf_x[5] = xoffset + x - PNT_SIZE;
- points_buf_y[5] = yoffset - (y + (int) (PNT_SIZE/3));
- points_buf_x[6] = xoffset + x - PNT_SIZE;
- points_buf_y[6] = yoffset - (y - (int) (PNT_SIZE/3));
- points_buf_x[7] = xoffset + x - (int) (PNT_SIZE/3);
- points_buf_y[7] = yoffset - (y - PNT_SIZE);
- R_polygon_abs(points_buf_x, points_buf_y, 8 );
- }
-
- draw_points_x (x, y)
- {
- GRASS_move (x - PNT_SIZE, y - PNT_SIZE);
- GRASS_vector (x + PNT_SIZE, y + PNT_SIZE);
- GRASS_move (x + PNT_SIZE, y - PNT_SIZE);
- GRASS_vector (x - PNT_SIZE, y + PNT_SIZE);
- }
-
-
- /* need to fix */
- GRASS_arrow (sx, sy, ex, ey, head)
- int sx, sy, ex, ey, head;
- {
- do_arrow (sx, sy, ex, ey, 1);
- return;
- }
-
-
-