--- /dev/null
+/* Hello, Emacs, this is -*-C-*-
+ * $Id: gnugraph.trm,v 1.24 2006/07/21 02:35:46 sfeam Exp $
+ */
+
+/* GNUPLOT -- gnugraph.trm */
+
+/*[
+ * Copyright 1993, 1998, 2004
+ *
+ * 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 complete modified source code. Modifications are to
+ * be distributed as patches to the released version. Permission to
+ * distribute binaries produced by compiling modified sources is granted,
+ * provided you
+ * 1. distribute the corresponding source modifications from the
+ * released version in the form of a patch file along with the binaries,
+ * 2. add special version identification to distinguish your version
+ * in addition to the base release version number,
+ * 3. provide your name and address as the primary contact for the
+ * support of your modified version, and
+ * 4. retain our contact information in regard to use of the base
+ * software.
+ * Permission to distribute the released version of the source code along
+ * with corresponding source modifications in the form of a patch file is
+ * granted with same provisions 2 through 4 for binary distributions.
+ *
+ * This software is provided "as is" without express or implied warranty
+ * to the extent permitted by applicable law.
+]*/
+
+/*
+ * This file is included by ../term.c.
+ *
+ * This terminal driver supports:
+ * GNU plot(5) graphics language
+ *
+ * AUTHORS
+ * Tony Richardson from the unixplot.trm by Colin Kelley, Thomas Williams,
+ * and Russell Lang and from post.trm by Russell Lang.
+ *
+ * send your comments or suggestions to (info-gnuplot@ames.arc.nasa.gov).
+ */
+
+/*
+ * adapted to the new terminal layout by Stefan Bodewig (Dec. 1995)
+ */
+
+/*
+ * Name changed from "unixplot" to "gnugraph" to distinguish the two different
+ * drivers. Also avoids duplications in the complete gnuplot documentation.
+ * (March 2003)
+ */
+
+/*
+ * This version of the 'unixplot' driver produces device independent
+ * output. I've chosen parameter values so that the PostScript output
+ * produced by plot2ps is 5" x 3". You can use the 'set size' command
+ * to get output up to 8.25" x 8.25", i.e. size values larger than
+ * 1 are okay.
+ */
+
+/*
+Unixplot library writes to stdout. A fix was put in place by
+..!arizona!naucse!jdc to let set term and set output redirect
+stdout. All other terminals write to gpoutfile.
+*/
+
+/* This is a device independent format, so the output should look
+ * look "reasonable" on any output device. I set things up there so
+ * that the output of plot2ps is 5" x 3" (standard GNUPLOT size).
+ * You can use GNUPLOT's size command to obtain plots to almost the
+ * 8.25" x 8.25" limit.
+ */
+
+#include "driver.h"
+
+#ifdef TERM_REGISTER
+register_term(gnugraph)
+#endif
+
+#ifdef TERM_PROTO
+TERM_PUBLIC void UP_options __PROTO((void));
+TERM_PUBLIC void UP_init __PROTO((void));
+TERM_PUBLIC void UP_graphics __PROTO((void));
+TERM_PUBLIC void UP_text __PROTO((void));
+TERM_PUBLIC void UP_linetype __PROTO((int linetype));
+TERM_PUBLIC void UP_move __PROTO((unsigned int x, unsigned int y));
+TERM_PUBLIC void UP_vector __PROTO((unsigned int x, unsigned int y));
+TERM_PUBLIC void UP_put_text __PROTO((unsigned int x, unsigned int y, const char str[]));
+TERM_PUBLIC int UP_text_angle __PROTO((int ang));
+TERM_PUBLIC int UP_justify_text __PROTO((enum JUSTIFY mode));
+TERM_PUBLIC void UP_reset __PROTO((void));
+#define UP_XMAX 19859
+#define UP_YMAX 11565
+/* UP_VCHAR = ((UP_FONTSIZE*UP_YMAX)/(UP_YINCHES*72))
+ = UP_FONTSIZE*UP_VFONTSC
+ UP_HCHAR = ((UP_FONTSIZE/2)*UP_XMAX)/(UP_XINCHES*72))
+ = UP_FONTSIZE*UP_HFONTSC
+*/
+
+#define UP_VFONTSC 53.5
+#define UP_VCHAR 535 /* 10 * VFONTSC */
+#define UP_HFONTSC 27.6
+#define UP_HCHAR 276 /* 10 * HFONTSC */
+
+#define UP_VTIC (UP_YMAX/80)
+#define UP_HTIC (UP_XMAX/80)
+#endif /* TERM_PROTO */
+
+#ifndef TERM_PROTO_ONLY
+#ifdef TERM_BODY
+
+#define DEFAULT_GNUGRAPHFONT "Courier"
+
+/* Name of font */
+char up_font[MAX_ID_LEN+1] = DEFAULT_GNUGRAPHFONT;
+int up_fontsize = 10;
+
+/* plot2ps produces a 8.25" x 8.25" square. */
+#define UP_SCREENX 32768
+#define UP_SCREENY 32768
+#define UP_SCRXINC 8.25
+#define UP_SCRYINC 8.25
+
+/* We want a 5" x 3" graph by default. */
+#define UP_XINCHES 5
+#define UP_YINCHES 3
+/* UP_XMAX = (UP_SCREENX*UP_XINCHES)/UP_SCRXINC
+ UP_YMAX (UP_SCREENY*UP_YINCHES)/UP_SCRYINC */
+
+#define UP_XLAST (UP_XMAX - 1)
+#define UP_YLAST (UP_YMAX - 1)
+
+/* These offsets center plot2ps output in the middle of the page. The
+ * amount of resizing that can be done is limited. */
+/*
+ * #define UP_XOFF 6454
+ * #define UP_YOFF 10601
+ */
+
+/* These offsets give a 1" offset from the lower left corner. This
+ * gives a greater range of permissible values in GNUPLOT's size
+ * command. */
+#define UP_XOFF 3972
+#define UP_YOFF 3972
+
+enum JUSTIFY up_justify = LEFT;
+
+#define ROTATE(angle) pl_textangle(90*angle)
+
+static int handle_global; /* T.Walter 1999-05-23 */
+
+/* We don't include plot.h from plotutils because of
+ * the name clash with ../plot.h.
+ */
+extern int pl_openpl __PROTO((void));
+extern int pl_space __PROTO((int, int, int, int));
+extern int pl_fontname __PROTO((const char *));
+extern int pl_fontsize __PROTO((int));
+extern int pl_erase __PROTO((void));
+extern int pl_linemod __PROTO((const char *));
+extern int pl_move __PROTO((int, int));
+extern int pl_cont __PROTO((int, int));
+extern int pl_alabel __PROTO((int, int, const char *));
+extern int pl_textangle __PROTO((int));
+extern int pl_closepl __PROTO((void));
+/* T.Walter added: */
+extern int pl_parampl __PROTO((const char *parameter, void *value));
+extern int pl_newpl __PROTO((const char *type, FILE *infile, FILE *outfile, FILE *errfile));
+extern int pl_selectpl __PROTO((int handle));
+extern int pl_deletepl __PROTO((int handle));
+extern double pl_ffontsize __PROTO((double size));
+
+/* Formats supported by GNU plotutils */
+enum PL_types {
+ PL_X, PL_PNM, PL_GIF, PL_AI, PL_PS, PL_CGM, PL_FIG, PL_PCL5,
+ PL_HPGL, PL_TEK, PL_META, PL_INVALID
+};
+
+struct gen_table term_up_pt_tbl[] =
+{
+ { "X", PL_X },
+ { "pnm", PL_PNM },
+ { "gif", PL_GIF },
+ { "ai", PL_AI },
+ { "ps", PL_PS },
+ { "cgm", PL_CGM },
+ { "fig", PL_FIG },
+ { "pcl5", PL_PCL5 },
+ { "hpgl", PL_HPGL },
+ { "tek", PL_TEK },
+ { "meta", PL_META },
+ { NULL, PL_INVALID }
+};
+
+/* Plot type, default */
+static int pl_plottype = PL_META;
+
+/* Plot size, default */
+static char pl_pagesize[MAX_ID_LEN+1] = "a4";
+
+enum UP_id { UP_DEFAULT, UP_PAGESIZE, UP_PLOTTYPE, UP_OTHER };
+
+static struct gen_table UP_opts[] =
+{
+ { "d$efault", UP_DEFAULT },
+ { "s$ize", UP_PAGESIZE },
+ { "t$ype", UP_PLOTTYPE },
+ { NULL, UP_OTHER }
+};
+
+TERM_PUBLIC void
+UP_options()
+{
+ struct value a;
+
+ while (!END_OF_COMMAND) {
+ switch(lookup_table(&UP_opts[0],c_token)) {
+ case UP_DEFAULT:
+ strcpy(up_font, DEFAULT_GNUGRAPHFONT);
+ up_fontsize = 10;
+ term->v_char = (unsigned int) (up_fontsize * UP_VFONTSC);
+ term->h_char = (unsigned int) (up_fontsize * UP_HFONTSC);
+ c_token++;
+ break;
+ case UP_PAGESIZE:
+ c_token++;
+ /* user is responsible for valid page size specification, e.g.
+ * "a4", "letter", "b5", "a4,xoffset=-5mm,yoffset=2.0cm".
+ * See GNU plotutils documentation for details. */
+ quote_str(pl_pagesize, c_token, MAX_ID_LEN);
+ /* else use default quietly */
+ c_token++;
+ break;
+ case UP_PLOTTYPE:
+ c_token++;
+ pl_plottype = lookup_table(&term_up_pt_tbl[0],c_token);
+ if (pl_plottype == PL_INVALID)
+ pl_plottype = PL_META;
+ c_token++;
+ break;
+ case UP_OTHER:
+ default:
+ if (isstring(c_token)) {
+ quote_str(up_font, c_token, MAX_ID_LEN);
+ c_token++;
+ }
+ if (!END_OF_COMMAND) {
+ /* We have font size specified */
+ up_fontsize = (int) real(const_express(&a));
+ term->v_char = (unsigned int) (up_fontsize * UP_VFONTSC);
+ term->h_char = (unsigned int) (up_fontsize * UP_HFONTSC);
+ }
+ }
+ }
+
+ sprintf(term_options, "\"%s\" %d size \"%s\" type %s",
+ up_font,
+ up_fontsize,
+ pl_pagesize,
+ term_up_pt_tbl[pl_plottype].key);
+}
+
+TERM_PUBLIC void
+UP_init()
+{
+#if 1
+ pl_parampl ("PAGESIZE", pl_pagesize);
+
+ if ((handle_global = pl_newpl (term_up_pt_tbl[pl_plottype].key,
+ NULL, gpoutfile, stderr)) < 0) {
+ int_error(NO_CARET, "GNU plotutils (gnugraph) failed to create \"%s\" plotter.",
+ term_up_pt_tbl[pl_plottype].key);
+ }
+
+ pl_selectpl (handle_global); /* select the Plotter for use */
+
+ pl_openpl ();
+ pl_space (0, 0, UP_SCREENX - 1, UP_SCREENY - 1);
+ pl_fontname (up_font);
+
+ /* T.Walter: Try to find the correct font size */
+# if 0
+ pl_fontsize (up_fontsize); too small
+ pl_fontsize (up_fontsize*10); too small
+ pl_fontsize (up_fontsize*100); too large
+ pl_fontsize (up_fontsize*0.0525*GPMIN((UP_XMAX), (UP_YMAX))); too large
+ pl_fontsize (up_fontsize/72.0*GPMIN((UP_XMAX), (UP_YMAX))); too large
+ pl_fontsize (up_fontsize/72.0*0.0525*GPMIN((UP_XMAX), (UP_YMAX))); too small
+ pl_fontsize (up_fontsize/72.0*0.0525*GPMIN((UP_SCREENX), (UP_SCREENY))); too small
+ pl_fontsize (up_fontsize/72.0*GPMIN((UP_SCREENX), (UP_SCREENY))); too large
+ pl_fontsize (up_fontsize/72.0*8*0.0525*GPMIN((UP_XMAX), (UP_YMAX))); just about too large
+# endif /* 0 */
+ pl_fontsize (up_fontsize/72.0*0.0525*GPMIN((UP_SCREENX), (UP_SCREENY)));
+
+#else /* Old code */
+ pl_openpl();
+ pl_space (0, 0, UP_SCREENX - 1, UP_SCREENY - 1);
+ pl_fontname (up_font);
+#endif
+ pl_fontsize(up_fontsize);
+}
+
+
+TERM_PUBLIC void
+UP_graphics()
+{
+ pl_erase();
+}
+
+
+TERM_PUBLIC void
+UP_text()
+{
+ /* Flush here so that output will be complete. */
+ fflush(stdout);
+}
+
+
+TERM_PUBLIC void
+UP_linetype(int linetype)
+{
+ /* T.Walter, 1999-05-23 */
+ static char *lt[2+5] = { "solid", "longdashed", "solid", "dotted",
+ "shortdashed", "dotdashed", "longdashed"};
+
+ if (linetype < -2)
+ linetype = LT_BLACK;
+
+ if (linetype >= 5)
+ linetype %= 5;
+
+ pl_linemod(lt[linetype + 2]);
+}
+
+
+TERM_PUBLIC void
+UP_move(unsigned int x, unsigned int y)
+{
+ pl_move(x + UP_XOFF, y + UP_YOFF);
+}
+
+
+TERM_PUBLIC void
+UP_vector(unsigned int x, unsigned int y)
+{
+ pl_cont(x + UP_XOFF, y + UP_YOFF);
+}
+
+
+TERM_PUBLIC void
+UP_put_text(unsigned int x, unsigned int y, const char str[])
+{
+ UP_move(x, y); /* Don't adjust x and y! It's done in UP_move. */
+ switch (up_justify) {
+ case LEFT:
+ pl_alabel('l', 'c', str);
+ break;
+ case CENTRE:
+ pl_alabel('c', 'c', str);
+ break;
+ case RIGHT:
+ pl_alabel('r', 'c', str);
+ break;
+ }
+
+}
+
+TERM_PUBLIC int
+UP_text_angle(int ang)
+{
+ ROTATE(ang ? 1 : 0);
+ return TRUE;
+}
+
+TERM_PUBLIC int
+UP_justify_text(enum JUSTIFY mode)
+{
+ up_justify = mode;
+ return TRUE;
+}
+
+TERM_PUBLIC void
+UP_reset()
+{
+ pl_closepl();
+
+ /* T.Walter, 1999-05-23 */
+
+ pl_selectpl (0); /* default plotter */
+
+ if (pl_deletepl (handle_global) < 0) /* delete plotter we used above */
+ fprintf (stderr, "GNU Plotutils (gnugraph) is not able to delete Plotter\n");
+
+}
+
+#endif /* TERM_BODY */
+
+#ifdef TERM_TABLE
+
+TERM_TABLE_START(gnugraph_driver)
+ "gnugraph", "GNU plot(1) format [\042fontname\042 font_size]",
+ UP_XMAX, UP_YMAX, UP_VCHAR, UP_HCHAR,
+ UP_VTIC, UP_HTIC, UP_options, UP_init, UP_reset,
+ UP_text, null_scale, UP_graphics, UP_move, UP_vector,
+ UP_linetype, UP_put_text, UP_text_angle,
+ UP_justify_text, line_and_point, do_arrow, set_font_null
+TERM_TABLE_END(gnugraph_driver)
+
+#undef LAST_TERM
+#define LAST_TERM gnugraph_driver
+
+#endif /* TERM_TABLE */
+#endif /* TERM_PROTO_ONLY */
+
+#define TERM_HELP_GNUGRAPH
+#ifdef TERM_HELP
+START_HELP(gnugraph)
+"1 Gnugraph(GNU plotutils)",
+"?commands set terminal gnugraph",
+"?set terminal gnugraph",
+"?set term gnugraph",
+"?terminal gnugraph",
+"?term gnugraph",
+"?gnugraph",
+" The `gnugraph` driver produces device-independent output in the GNU plot",
+" graphics language. The default size of the PostScript results generated by",
+" \"plot2ps\" is 5 x 3 inches; this can be increased up to about 8.25 x 8.25 by",
+" `set size`.",
+"",
+" Syntax:",
+" set terminal gnugraph {\"<fontname>\"} {<fontsize>}",
+" {type <pt>} {size \"<size>\"}",
+"",
+" which defaults to 10-point \"Courier\".",
+"",
+" For `type`, the following options are accepted: `X`, `pnm`, `gif`, `ai`,",
+" `ps`, `cgm`, `fig`, `pcl5`, `hpgl`, `tek`, and `meta` (default). The",
+" `size` option (default is a4) is passed straight through to plotutils, it's",
+" the user's responsibility to provide correct values. Details can be found",
+" in the plotutils documentation.",
+"",
+" Examples:",
+" set terminal gnugraph type hpgl size \"a4\"",
+" set terminal gnugraph size \"a4,xoffset=-5mm,yoffset=2.0cm\" type pnm",
+"",
+" There is a non-GNU version of the `gnugraph` driver which cannot be compiled",
+" unless this version is left out."
+END_HELP(gnugraph)
+#endif
projects / gnuplot / blobdiff