--- /dev/null
+/* Hello, Emacs, this is -*-C-*-
+ * $Id: dxf.trm,v 1.16 2006/07/21 02:35:45 sfeam Exp $
+ *
+ */
+
+/* GNUPLOT - dxf.trm */
+
+/*[
+ * Copyright 1991 - 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:
+ * AutoCad (Release 10.x) dxf file format (import with AutoCad dxfin command)
+ *
+ *
+ * AUTHOR
+ * Florian Hiss (fhis1231@w204zrz.zrz.tu-berlin.de)
+ *
+ * send your comments or suggestions to (gnuplot-info@lists.sourceforge.net).
+*/
+
+/*
+ * adapted to the new terminal layout by Stefan Bodewig (Dec. 1995)
+ */
+
+#include "driver.h"
+
+#ifdef TERM_REGISTER
+register_term(dxf)
+#endif
+
+#ifdef TERM_PROTO
+TERM_PUBLIC void DXF_init __PROTO((void));
+TERM_PUBLIC void DXF_graphics __PROTO((void));
+TERM_PUBLIC void DXF_text __PROTO((void));
+TERM_PUBLIC void DXF_linetype __PROTO((int linetype));
+TERM_PUBLIC void DXF_move __PROTO((unsigned int x, unsigned int y));
+TERM_PUBLIC void DXF_vector __PROTO((unsigned int ux, unsigned int uy));
+TERM_PUBLIC void DXF_put_text __PROTO((unsigned int x, unsigned int y,
+ const char str[]));
+TERM_PUBLIC int DXF_text_angle __PROTO((int ang));
+TERM_PUBLIC int DXF_justify_text __PROTO((enum JUSTIFY mode));
+TERM_PUBLIC void DXF_reset __PROTO((void));
+
+#define DXF_XMAX (120.0 * DXF_UNIT)
+#define DXF_YMAX (80.0 * DXF_UNIT)
+#if 0 /* HBB 20030626: old version */
+#define DXF_HTIC (0.01 * DXF_XMAX) /* 1.0 percent */
+#define DXF_VTIC (0.01 * DXF_YMAX) /* 1.0 percent */
+#else
+/* HBB 20030626: make them have the same length in DXF_UNITs ! */
+# define DXF_HTIC (2.0 * DXF_UNIT)
+# define DXF_VTIC (2.0 * DXF_UNIT)
+#endif
+#define DXF_HCHAR (0.014 * DXF_XMAX) /* 1.4 percent */
+#define DXF_VCHAR (0.026 * DXF_YMAX) /* 2.6 percent */
+#endif /* TERM_PROTO */
+
+#ifndef TERM_PROTO_ONLY
+#ifdef TERM_BODY
+
+#define DXF_UNIT 60.0
+#define LINEWIDTH 0.0351 /* default line width is 1 pt */
+
+/* 120 (autocad units) wide by 80 (autocad units) high (default)
+ * use the GNUPLOT 'set size' command to change the defaults */
+/* actual text height */
+#define DXF_TEXTHEIGHT (0.7 * DXF_VCHAR)
+
+/* actual text width, only a guess, we don't know the width of
+ * a character of given height of the AutoCad STANDARD text font,
+ * so change it if you like */
+#define DXF_TEXTWIDTH (0.7 * DXF_HCHAR)
+
+/* number of line types we support. see below */
+#define DXF_LINE_TYPES 7
+
+/* number of layers used for the drawing. see below */
+#define MAX_LAYER 7
+
+/* line type scaling */
+#define LT_SCALE 1
+
+static unsigned int DXF_posx;
+static unsigned int DXF_posy;
+/* linetype is mapped to a layer. see below. */
+static unsigned int dxf_linetype;
+static enum JUSTIFY dxf_justify = LEFT;
+static float dxf_angle = 0.0; /* 0 is horizontal, 90.0 is vertical */
+
+/* text style used in the entire drawing */
+static const char *text_style = "STANDARD";
+
+/* text always resides on layer 0 */
+#define TEXT_LAYER 0
+
+/* each linetype resides on its own layer. each layer has its own color.
+ * this avoids difficulties that AutoCad has with proper scaling of
+ * the linetypes.
+ * change the colors according to your needs */
+static const char *layer_name[] ={ "0", "1", "2", "3", "4", "5", "6" };
+
+/* the colours are white, red, yellow, green, cyan, blue, magenta.
+ * change them according to your needs.
+ * when using a black and white plotting device the colours map to different
+ * line thicknesses. see description of AutoCad print / plot command */
+static const char *layer_colour[] = { "7", "1", "2", "3", "4", "5", "6" };
+
+/* support line types AutoCad has to offer by default. */
+static const char *layer_lines[] = {
+ "CONTINUOUS", "DASHED", "HIDDEN", "CENTER", "PHANTOM", "DOT", "DASHDOT"
+};
+
+static TBOOLEAN vector_was_last = FALSE;
+
+TERM_PUBLIC void
+DXF_init()
+{
+ DXF_posx = DXF_posy = 0;
+ dxf_linetype = 0;
+ dxf_angle = 0.0;
+ vector_was_last = FALSE;
+}
+
+TERM_PUBLIC void
+DXF_graphics()
+{
+ register struct termentry *t = term;
+ int i;
+ static char GPFAR dxfi1[] = "\
+999\n\
+%% GNUPLOT: dxf file for AutoCad\n\
+ 0\nSECTION\n 2\nHEADER\n\
+ 9\n$EXTMIN\n\
+ 10\n0.000\n 20\n0.000\n\
+ 9\n$EXTMAX\n\
+ 10\n%-6.3f\n 20\n%-6.3f\n\
+ 9\n$LIMMIN\n\
+ 10\n0.000\n 20\n0.000\n\
+ 9\n$LIMMAX\n\
+ 10\n%-6.3f\n 20\n%-6.3f\n\
+ 9\n$TEXTSTYLE\n 7\n%s\n\
+ 9\n$TEXTSIZE\n 40\n%-6.3f\n\
+ 9\n$PLINEWID\n 40\n%-6.4f\n\
+ 9\n$LTSCALE\n 40\n%-6.3f\n\
+ 9\n$COORDS\n 70\n 1\n\
+ 9\n$CELTYPE\n 6\nBYLAYER\n\
+ 9\n$CLAYER\n 8\n0\n\
+ 9\n$CECOLOR\n 62\n %s\n\
+ 9\n$MENU\n 1\nacad\n\
+ 0\nENDSEC\n\
+ 0\nSECTION\n 2\nTABLES\n";
+ static char GPFAR dxfi2[] = "\
+0\nTABLE\n 2\nLTYPE\n 70\n %d\n\
+0\nLTYPE\n 2\nCONTINUOUS\n 70\n 64\n\
+ 3\nSolid line\n 72\n 65\n 73\n 0\n 40\n0.0\n\
+ 0\nLTYPE\n 2\nDASHED\n 70\n 64\n\
+ 3\n__ __ __ __ __ __ __ __ __ __ __ __ __ __ __\n\
+ 72\n 65\n 73\n 2\n 40\n0.75\n 49\n0.5\n 49\n-0.25\n\
+ 0\nLTYPE\n 2\nHIDDEN\n 70\n 64\n\
+ 3\n_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _\n\
+ 72\n 65\n 73\n 2\n 40\n0.375\n 49\n0.25\n 49\n-0.125\n\
+ 0\nLTYPE\n 2\nCENTER\n 70\n 64\n\
+ 3\n____ _ ____ _ ____ _ ____ _ ____ _ ____ _ ____\n\
+ 72\n 65\n 73\n 4\n 40\n2.0\n 49\n1.25\n 49\n-0.25\n\
+ 49\n0.25\n 49\n-0.25\n\
+ 0\nLTYPE\n 2\nPHANTOM\n 70\n 64\n\
+ 3\n_____ _ _ _____ _ _ _____ _ _ _____ _ _ ____\n\
+ 72\n 65\n 73\n 6\n 40\n2.5\n 49\n1.25\n\
+ 49\n-0.25\n 49\n0.25\n 49\n-0.25\n 49\n0.25\n 49\n-0.25\n\
+ 0\nLTYPE\n 2\nDOT\n 70\n 64\n\
+ 3\n...............................................\n\
+ 72\n 65\n 73\n 2\n 40\n0.25\n 49\n0.0\n 49\n-0.25\n\
+ 0\nLTYPE\n 2\nDASHDOT\n 70\n 64\n\
+ 3\n__ . __ . __ . __ . __ . __ . __ . __ . __ . __\n\
+ 72\n 65\n 73\n 4\n 40\n1.0\n 49\n0.5\n 49\n-0.25\n\
+ 49\n0.0\n 49\n-0.25\n\
+ 0\nENDTAB\n";
+
+ fprintf(gpoutfile, dxfi1,
+ t->xmax / DXF_UNIT, t->ymax / DXF_UNIT,
+ t->xmax / DXF_UNIT, t->ymax / DXF_UNIT,
+ text_style,
+ DXF_TEXTHEIGHT / DXF_UNIT,
+ LINEWIDTH,
+ (double) LT_SCALE,
+ layer_colour[0]);
+ /* the linetype table */
+ fprintf(gpoutfile, dxfi2, DXF_LINE_TYPES);
+ /* the layer table */
+ fprintf(gpoutfile, " 0\nTABLE\n 2\nLAYER\n 70\n %-d\n", MAX_LAYER);
+ for (i = 1; i <= MAX_LAYER; i++)
+ fprintf(gpoutfile, " 0\nLAYER\n 2\n%s\n 70\n 64\n62\n %s\n 6\n%s\n", layer_name[i - 1], layer_colour[i - 1], layer_lines[i - 1]);
+
+ /* no blocks for insertion */
+ /* start the entity section */
+ fputs(" 0\nENDTAB\n0\nENDSEC\n\
+ 0\nSECTION\n 2\nBLOCKS\n 0\nENDSEC\n\
+ 0\nSECTION\n\
+ 2\nENTITIES\n",
+ gpoutfile);
+}
+
+TERM_PUBLIC void
+DXF_text()
+{
+ if (vector_was_last)
+ fputs(" 0\nSEQEND\n", gpoutfile);
+ fputs(" 0\nENDSEC\n 0\nEOF\n", gpoutfile);
+}
+
+TERM_PUBLIC void
+DXF_linetype(int linetype)
+{
+ linetype = ABS(linetype);
+ linetype = linetype % DXF_LINE_TYPES;
+ dxf_linetype = linetype;
+}
+
+TERM_PUBLIC void
+DXF_move(unsigned int x, unsigned int y)
+{
+ DXF_posx = x;
+ DXF_posy = y;
+ if (vector_was_last)
+ fputs(" 0\nSEQEND\n", gpoutfile);
+ vector_was_last = FALSE;
+ fprintf(gpoutfile, "\
+ 0\nPOLYLINE\n 8\n%s\n 66\n 1\n\
+ 6\n%s\n\
+ 0\nVERTEX\n 8\n%s\n\
+ 6\n%s\n\
+ 10\n%-6.3f\n 20\n%-6.3f\n 30\n0.000\n",
+ layer_name[dxf_linetype],
+ layer_lines[dxf_linetype],
+ layer_name[dxf_linetype],
+ layer_lines[dxf_linetype],
+ DXF_posx / DXF_UNIT, DXF_posy / DXF_UNIT);
+
+}
+
+TERM_PUBLIC void
+DXF_vector(unsigned int ux, unsigned int uy)
+{
+ DXF_posx = ux;
+ DXF_posy = uy;
+ vector_was_last = TRUE;
+
+ fprintf(gpoutfile, "\
+ 0\nVERTEX\n 8\n%s\n\
+ 6\n%s\n\
+ 10\n%-6.3f\n 20\n%-6.3f\n 30\n0.000\n",
+ layer_name[dxf_linetype],
+ layer_lines[dxf_linetype],
+ DXF_posx / DXF_UNIT, DXF_posy / DXF_UNIT);
+}
+
+TERM_PUBLIC void
+DXF_put_text(unsigned int x, unsigned int y, const char str[])
+{
+ int stl;
+ float xleftpos, yleftpos, xrightpos, yrightpos;
+
+ /* shut up gcc warnings - SB */
+ xleftpos = yleftpos = xrightpos = yrightpos = 1.0; /* dummy */
+ /* ignore empty strings */
+ if (str[0] == NUL)
+ return;
+
+ stl = 0;
+ while (str[stl] != NUL)
+ ++stl; /* get string length */
+
+ if (vector_was_last)
+ fputs(" 0\nSEQEND\n", gpoutfile);
+ vector_was_last = FALSE;
+ fprintf(gpoutfile, " 0\nTEXT\n 8\n%s\n", layer_name[TEXT_LAYER]);
+ if (dxf_angle != 90.0) {
+ switch (dxf_justify) {
+ case LEFT:
+ xleftpos = (float) x;
+ yleftpos = (float) (y - DXF_VCHAR / 4.0);
+ xrightpos = (float) (x + stl * DXF_TEXTWIDTH);
+ yrightpos = yleftpos;
+ break;
+ case RIGHT:
+ xleftpos = (float) (x - stl * DXF_TEXTWIDTH);
+ yleftpos = (float) (y - DXF_VCHAR / 4.0);
+ xrightpos = (float) x;
+ yrightpos = yleftpos;
+ break;
+ case CENTRE:
+ xleftpos = (float) (x - stl * DXF_TEXTWIDTH / 2.0);
+ yleftpos = (float) (y - DXF_VCHAR / 4.0);
+ xrightpos = (float) x; /* center point */
+ yrightpos = yleftpos;
+ break;
+ }
+ } else {
+ switch (dxf_justify) {
+ case LEFT:
+ xleftpos = (float) (x + DXF_VCHAR / 4.0);
+ yleftpos = (float) y;
+ xrightpos = xleftpos;
+ yrightpos = (float) (y + stl * DXF_TEXTWIDTH);
+ break;
+ case RIGHT:
+ xleftpos = (float) (x + DXF_VCHAR / 4.0);
+ yleftpos = (float) (y - stl * DXF_HCHAR);
+ xrightpos = xleftpos;
+ yrightpos = (float) y;
+ break;
+ case CENTRE:
+ xleftpos = (float) (x + DXF_VCHAR / 4.0);
+ yleftpos = (float) (y - stl * DXF_TEXTWIDTH / 2.0);
+ xrightpos = xleftpos;
+ yrightpos = (float) y; /* center point */
+ break;
+ }
+ }
+
+ fprintf(gpoutfile, "\
+ 10\n%-6.3f\n 20\n%-6.3f\n 30\n0.000\n\
+ 40\n%-6.3f\n 1\n%s\n 50\n%-6.3f\n\
+ 7\n%s\n",
+ xleftpos / DXF_UNIT, yleftpos / DXF_UNIT,
+ DXF_TEXTHEIGHT / DXF_UNIT, str, dxf_angle,
+ text_style);
+
+ if (dxf_justify != LEFT) {
+ fprintf(gpoutfile, " 72\n%d\n\
+ 11\n%-6.3f\n 21\n%-6.3f\n 31\n0.000\n",
+ dxf_justify,
+ xrightpos / DXF_UNIT, yrightpos / DXF_UNIT);
+ }
+}
+
+TERM_PUBLIC int
+DXF_text_angle(int ang)
+{
+ dxf_angle = (ang ? 90.0 : 0.0);
+ return (TRUE);
+}
+
+TERM_PUBLIC int
+DXF_justify_text(enum JUSTIFY mode)
+{
+ dxf_justify = mode;
+ return (TRUE);
+}
+
+TERM_PUBLIC void
+DXF_reset()
+{
+ DXF_posx = DXF_posy = 0;
+}
+
+#endif /* TERM_BODY */
+
+#ifdef TERM_TABLE
+TERM_TABLE_START(dxf_driver)
+ "dxf", "dxf-file for AutoCad (default size 120x80)",
+ DXF_XMAX, DXF_YMAX, DXF_VCHAR, DXF_HCHAR,
+ DXF_VTIC, DXF_HTIC, options_null, DXF_init, DXF_reset,
+ DXF_text, null_scale, DXF_graphics, DXF_move, DXF_vector,
+ DXF_linetype, DXF_put_text, DXF_text_angle,
+ DXF_justify_text, do_point, do_arrow, set_font_null
+TERM_TABLE_END(dxf_driver)
+
+#undef LAST_TERM
+#define LAST_TERM dxf_driver
+
+#endif /* TERM_TABLE */
+#endif /* TERM_PROTO_ONLY */
+
+#ifdef TERM_HELP
+START_HELP(dxf)
+"1 dxf",
+"?commands set terminal dxf",
+"?set terminal dxf",
+"?set term dxf",
+"?terminal dxf",
+"?term dxf",
+"?dxf",
+" The `dxf` terminal driver creates pictures that can be imported into AutoCad",
+" (Release 10.x). It has no options of its own, but some features of its plots",
+" may be modified by other means. The default size is 120x80 AutoCad units,",
+" which can be changed by `set size`. `dxf` uses seven colors (white, red,",
+" yellow, green, cyan, blue and magenta), which can be changed only by",
+" modifying the source file. If a black-and-white plotting device is used, the",
+" colors are mapped to differing line thicknesses. See the description of the",
+" AutoCad print/plot command."
+END_HELP(dxf)
+#endif /* TERM_HELP */
projects / gnuplot / blobdiff