/* Copyright (c) 1991 - 1994 Heinz W. Werntges. Parts Copyright (c) 1995 Emmanuel Bigler, (c)2002 Michael Rooke, (c) 1999,2001,2002,2003 Martin Kroeker. All rights reserved. Distributed by Free Software Foundation, Inc. This file is part of HP2xx. HP2xx is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY. No author or distributor accepts responsibility to anyone for the consequences of using it or for whether it serves any particular purpose or works at all, unless he says so in writing. Refer to the GNU General Public License, Version 2 or later, for full details. Everyone is granted permission to copy, modify and redistribute HP2xx, but only under the conditions described in the GNU General Public License. A copy of this license is supposed to have been given to you along with HP2xx so you can know your rights and responsibilities. It should be in a file named COPYING. Among other things, the copyright notice and this notice must be preserved on all copies. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ /** to_tvec.c: Converter to misc. TeX-oriented vector formats: ** Metafont, several TeX formats, simple HP-GL ** ** 91/01/19 V 1.00 HWW Derived from HPtoGF.c ** 91/02/10 V 1.01 HWW "zaehler" removed ** 91/02/15 V 1.02 HWW stdlib.h supported ** 91/02/18 V 1.03 HWW some int's changed to float's ** 91/06/09 V 1.04 HWW New options added; some simplifications done ** 91/10/15 V 1.05 HWW ANSI_C ** 91/11/20 V 1.06 HWW Many changes for "SPn;" support ** 92/01/13 V 1.06a HWW debugged ** 92/02/27 V 1.07b HWW TeX modes added (epic, emTeX specials) ** 92/05/17 V 1.07c HWW Output to stdout if outfile == '-' ** 92/05/19 V 1.07d HWW Warning if color mode ** 92/12/10 V 1.08a HWW CAD (TeXcad) mode added ** 92/12/12 V 1.08b HWW Info line now interprets outfile=='-' as "stdout" ** 93/04/12 V 1.08c HWW Fix for J. Post's report re: \emline ** 93/09/01 V 1.09a HWW Mode 5 (Simple HP-GL) added ** 93/12/30 V 1.09b HWW Mode 5: Pen number preserved ** 94/02/14 V 1.10a HWW Adapted to changes in hp2xx.h ** 95/03/23 V 1.11 E.B. new mode 6 gnuplot ascii format ** 02/.. V 1.12 MK new modes 7, DXF, and 8, Scalable Vector Graphics ** 02/12/20 V 1.13 MJR new mode 9 to generic CNC G Code ** 03/02/26 MK Simple HPGL now writes %f instead of %g - ** HPGL does not tolerate exponent notation ** 03/02/24 GV Added figure limits and pen/color mapping to DXF **/ #include #include #include /* needed for floor */ #ifdef ATARI #include #include #endif #include "bresnham.h" #include "pendef.h" #include "lindef.h" #include "hp2xx.h" int to_mftex(const GEN_PAR * pg, const OUT_PAR * po, int mode) { PlotCmd cmd; HPGL_Pt pt1; float xcoord2mm, ycoord2mm; FILE *md = NULL; PEN_W pensize; int pencolor, pen_no, chars_out = 0, max_chars_out = 210; int mapped_pen_no; PEN_W mapped_pen_size; /* for DXF */ int toolz = 0; int np = 1, err = 0; char *ftype = "", *scale_cmd = "", *pen_cmd = "", *poly_start = "", *poly_next = "", *poly_last = "", *poly_end = "", *draw_dot = "", *exit_cmd = ""; #ifdef ATARI int i; FILE *csfile; char *csname, *pos1, *pos2, *special_cmd, *tempch; HPGL_Pt old_pt; #endif switch (mode) { case 0: /* Metafont mode */ ftype = "METAFONT"; scale_cmd = "mode_setup;\nbeginchar(\"Z\",%4.3fmm#,%4.3fmm#,0);\n"; pen_cmd = "pickup pencircle scaled %2.1fmm;\n"; poly_start = "draw(%4.3fmm,%4.3fmm)"; poly_next = "--(%4.3fmm,%4.3fmm)"; poly_last = "--(%4.3fmm,%4.3fmm);\n"; poly_end = ";\n"; draw_dot = "drawdot(%4.3fmm,%4.3fmm);\n"; exit_cmd = "endchar;\nend;\n"; break; case 1: /* TeX (em-Specials) mode */ ftype = "emTeX-specials"; scale_cmd = "\\unitlength1mm\n\\begin{picture}(%4.3f,%4.3f)\n"; pen_cmd = "\\special{em:linewidth %2.1fmm}\n"; poly_start = "\\put(%4.3f,%4.3f){\\special{em:moveto}}\n"; poly_next = "\\put(%4.3f,%4.3f){\\special{em:lineto}}\n"; poly_last = poly_next; poly_end = ""; draw_dot = "\\put(%4.3f,%4.3f){\\makebox(0,0)[cc]{.}}\n"; exit_cmd = "\\end{picture}\n"; break; case 2: /* TeX (epic) mode */ ftype = "TeX (epic)"; scale_cmd = "\\unitlength1mm\n\\begin{picture}(%4.3f,%4.3f)\n"; pen_cmd = "\\linethickness{%2.1fmm}\n"; poly_start = "\\drawline(%4.3f,%4.3f)"; poly_next = "(%4.3f,%4.3f)"; poly_last = "(%4.3f,%4.3f)\n"; poly_end = "\n"; draw_dot = "\\put(%4.3f,%4.3f){\\picsquare}\n"; exit_cmd = "\\end{picture}\n"; break; case 3: /* TeXcad (\emline-Macros) mode */ ftype = "TeXcad compatible"; scale_cmd = "\\unitlength=1mm\n\\begin{picture}(%4.3f,%4.3f)\n"; pen_cmd = "\\special{em:linewidth %2.1fmm}\n\\linethickness{ %2.1fmm}\n"; poly_start = "\\emline{%4.3f}{%4.3f}{%d}"; poly_next = "{%4.3f}{%4.3f}{%d}%%\n"; /* %% = Fix for John Post's bug report */ poly_last = poly_next; poly_end = ""; draw_dot = "\\put(%4.3f,%4.3f){\\makebox(0,0)[cc]{.}}\n"; exit_cmd = "\\end{picture}\n"; break; #ifdef ATARI case 4: /* CS-Graphics specials for ATARI TeX */ ftype = "CS-TeX specials"; scale_cmd = "\\unitlength1mm\n\\begin{draw}{%4.3f}{%4.3f}{%s}\n"; special_cmd = "\\put(0,0){\\special{CS!i %s}}\n"; pen_cmd = "w %2.1fmm\n"; poly_start = "%4.3f %4.3f l "; poly_next = "%4.3f %4.3f\n"; poly_last = poly_next; poly_end = ""; draw_dot = "\\put(%4.3f,%4.3f){\\makebox(0,0)[cc]{.}}\n"; exit_cmd = "\\end{draw}\n"; break; #endif case 5: /* HP-GL mode */ ftype = "Simple HP-GL"; scale_cmd = ""; pen_cmd = "SP%1d;"; poly_start = "PA;PU%f,%f;"; poly_next = "PD%f,%f;"; poly_last = poly_next; poly_end = ""; draw_dot = "PU%f,%f;PD%f,%f;PU;"; exit_cmd = ""; break; case 6: /* gnuplot ascii input from HP-GL mode */ ftype = "gnuplot ASCII"; scale_cmd = ""; pen_cmd = "#SP1\n"; /* Not fully implemented!! */ poly_start = "#PA\n\n#PU\n%g %g\n"; poly_next = "#PD\n%g %g\n"; poly_last = poly_next; poly_end = ""; draw_dot = "\n#PU\n%g %g\n#PD\n%g %g\n\n#PU\n\n"; exit_cmd = ""; break; case 7: /* DXF */ ftype = "DXF"; scale_cmd = " 0\nSECTION\n 2\nHEADER\n 999\nGenerated by hp2xx\n 9\n$ACADVER\n 1\nAC1009\n 9\n$EXTMIN\n 10\n%g\n 20 \n%g\n 9\n$EXTMAX\n 10\n%g\n 20\n%g\n 0\nENDSEC\n 0\nSECTION\n 2\nBLOCKS\n 0\nENDSEC\n 0\nSECTION\n 2\nENTITIES\n 0\n"; pen_cmd = ""; /* linecolor attribute (group 62) does this */ poly_start = "LINE\n 8\n0\n 62\n%d\n 39\n%g\n 10\n%g\n 20\n%g\n 30\n0.0\n"; poly_next = " 11\n%g\n 21\n%g\n 31\n0.0\n 0\n"; poly_last = poly_next; poly_end = ""; draw_dot = ""; /*FIXME*/ exit_cmd = "ENDSEC\n 0\nEOF\n"; break; case 8: /* SVG */ ftype = "SVG"; scale_cmd = "\n\n"; pen_cmd = "\n"; poly_start = "\n"; poly_end = "\" />\n"; draw_dot = "\n"; exit_cmd = "\n\n"; break; case 9: /* MJR- Test G Code */ ftype = "Test G-Code"; scale_cmd = ""; pen_cmd = "M06 T%2d\n"; /* pen is tool number ? */ poly_start = "; Tool Up\nG01 Z%g\nG00 X %g Y %g\n"; poly_next = "G01 X %g Y %g\n"; /* Note tool handling (Z) is done in the writer */ poly_last = poly_next; poly_end = ";\n"; /* not sure what to do with this ? */ draw_dot = "\nG81 X%g Y%G Z%g R%g ; Drill Hole\nG81\n"; exit_cmd = "\nM02\n"; break; } #ifdef ATARI if (mode == 4) { csname = (char *) calloc(strlen(p->outfile) + 5, sizeof(char)); tempch = (char *) calloc(strlen(p->outfile) + 5, sizeof(char)); strcpy(csname, p->outfile); for (i = 0; i < strlen(csname); i++) csname[i] = (isupper(csname[i]) ? tolower(csname[i]) : csname[i]); strcpy(tempch, csname); } #endif if (*po->outfile != '-') { #ifdef ATARI if (mode == 4) { pos1 = strrchr(csname, 46); pos2 = strrchr(csname, 92); if (pos1 != NULL && pos1 > pos2) pos1[0] = 0; strcat(csname, ".tex\0"); if (!strcmp(csname, tempch)) { pos1 = strrchr(tempch, 46); *pos1 = 0; strcat(tempch, ".csg\0"); } if ((csfile = fopen(csname, "a")) == NULL || (md = fopen(tempch, "w")) == NULL) { free(csname); free(tempch); PError("hp2xx mf/tex"); err = ERROR; goto MF_exit; } } else { csfile = stdout; #endif if ((md = fopen(po->outfile, "w")) == NULL) { PError("hp2xx (mf/tex)"); err = ERROR; goto MF_exit; } #ifdef ATARI } #endif } else { md = stdout; #ifdef ATARI csfile = stdout; #endif } #ifdef ATARI if (!pg->quiet) if (mode == 4) Eprintf("\n\n- Writing %s code to \"%s\"\n", ftype, *po->outfile == '-' ? "stdout" : tempch); else Eprintf("\n\n- Writing %s code to \"%s\"\n", ftype, *po->outfile == '-' ? "stdout" : po->outfile); #else if (!pg->quiet) { Eprintf("\n\n- Writing %s code to \"%s\"\n", ftype, *po->outfile == '-' ? "stdout" : po->outfile); if (mode == 9) Eprintf (" using engage depth %f, retract depth %f\n", po->zengage, po->zretract); } #endif if (pg->is_color && mode < 5) Eprintf("\nWARNING: MF/TeX modes ignore colors!\n"); #ifdef ATARI if (mode == 4) { if (!pg->quiet) Eprintf("- TEX-Input file is \"%s\"\n", csname); pos1 = strchr(tempch, 92); while (pos1 != NULL) { *pos1 = 47; pos1 = strchr(tempch, 92); } fprintf(csfile, "%% %s code in %s, created by hp2xx\n", ftype, tempch); fprintf(csfile, scale_cmd, po->width, po->height, tempch); fprintf(csfile, special_cmd, tempch); fprintf(md, "CS-Graphics V 1\nr\nu 1mm\n"); free(csname); free(tempch); } else { #endif if (mode < 5) { fprintf(md, "%% %s code in %s, created by hp2xx\n", ftype, po->outfile); fprintf(md, scale_cmd, po->width, po->height); } if (mode == 7) fprintf(md, scale_cmd, po->xoff, po->yoff, po->width + po->xoff, po->height + po->yoff); if (mode == 8) fprintf(md, scale_cmd, po->width * 2.834646, po->height * 2.834646); #ifdef ATARI } #endif pen_no = DEFAULT_PEN_NO; pensize = pt.width[pen_no]; if (pensize != 0) switch (mode) { case 3: fprintf(md, pen_cmd, pensize, pensize); break; case 5: fprintf(md, pen_cmd, pen_no); break; case 7: break; case 8: fprintf(md, pen_cmd, 0, 0, 0, 10 * pensize); break; case 9: Eprintf("\nWARNING: Pensize Ignored!\n"); break; default: fprintf(md, pen_cmd, pensize); break; } if (mode == 5) { /* xcoord2mm = 1.0; ycoord2mm = 1.0;*/ xcoord2mm = po->width / (po->xmax - po->xmin) * 40.; ycoord2mm = po->height / (po->ymax - po->ymin) * 40.; } else { /* Factor transforming the coordinate values into millimeters: */ xcoord2mm = po->width / (po->xmax - po->xmin); ycoord2mm = po->height / (po->ymax - po->ymin); } if (mode == 8) { xcoord2mm *= 2.834646; ycoord2mm *= 2.834646; } while ((cmd = PlotCmd_from_tmpfile()) != CMD_EOF) switch (cmd) { case NOP: break; case SET_PEN: if ((pen_no = fgetc(pg->td)) == EOF) { PError("Unexpected end of temp. file: "); err = ERROR; goto MF_exit; } pensize = pt.width[pen_no]; if (pensize != 0.) { if (chars_out) { /* Finish up old polygon */ fprintf(md, poly_end); chars_out = 0; } switch (mode) { case 3: fprintf(md, pen_cmd, pensize, pensize); break; case 5: fprintf(md, pen_cmd, pen_no); break; case 8: pencolor = (int) pt.color[pen_no]; fprintf(md, pen_cmd, pt.clut[pencolor][0], pt.clut[pencolor][1], pt.clut[pencolor][2], pensize); break; case 9: fprintf(md, pen_cmd, pen_no); /* Tool No */ break; default: fprintf(md, pen_cmd, pensize); break; } } break; case DEF_PW: if (load_pen_width_table(pg->td) < 0) { PError("Unexpected end of temp. file"); err = ERROR; goto MF_exit; } pensize = pt.width[pen_no]; if (pensize != 0) switch (mode) { case 3: fprintf(md, pen_cmd, pensize, pensize); break; case 5: fprintf(md, pen_cmd, pen_no); break; case 8: break; case 9: break; default: fprintf(md, pen_cmd, pensize); break; } break; case MOVE_TO: HPGL_Pt_from_tmpfile(&pt1); if (pensize == 0 || mode == 3 || mode == 4 || mode == 7) break; if (chars_out) /* Finish up old polygon */ fprintf(md, poly_end); if (mode == 8) pt1.y = po->ymax - pt1.y; if (mode == 9) { /* Special handling for tool depth */ chars_out = fprintf(md, poly_start, po->zretract, (pt1.x - po->xmin) * xcoord2mm, (pt1.y - po->ymin) * ycoord2mm); toolz = 0; /* Up */ break; } chars_out = fprintf(md, poly_start, (pt1.x - po->xmin) * xcoord2mm, (pt1.y - po->ymin) * ycoord2mm); break; case DRAW_TO: if (mode == 3) { /* Needs special treatment: no polygons! */ chars_out = fprintf(md, poly_start, (pt1.x - po->xmin) * xcoord2mm, (pt1.y - po->ymin) * ycoord2mm, np++); HPGL_Pt_from_tmpfile(&pt1); chars_out += fprintf(md, poly_next, (pt1.x - po->xmin) * xcoord2mm, (pt1.y - po->ymin) * ycoord2mm, np++); break; } else if (mode == 7) { /* DXF, mapping pen no. or width to color */ switch (po->specials) { case 1: /* pen number is color number */ mapped_pen_no = pen_no; mapped_pen_size = pensize; break; case 2: /* pen width translates to color number */ mapped_pen_no = (int) floor(pensize * 10.); mapped_pen_size = pensize; if (mapped_pen_no < 1) mapped_pen_no = 1; break; case 3: /* as above, upper limit at 0.4 == 4 */ mapped_pen_no = (int) floor(pensize * 10.); if (mapped_pen_no < 1) mapped_pen_no = 1; if (mapped_pen_no > 1) mapped_pen_no = 4; mapped_pen_size = pensize; break; default: /* old behaviour - no mapping */ mapped_pen_no = 1; mapped_pen_size = .1; } chars_out = fprintf(md, poly_start, mapped_pen_no, mapped_pen_size, (pt1.x - po->xmin) * xcoord2mm, (pt1.y - po->ymin) * ycoord2mm, np++); HPGL_Pt_from_tmpfile(&pt1); chars_out += fprintf(md, poly_next, (pt1.x - po->xmin) * xcoord2mm, (pt1.y - po->ymin) * ycoord2mm, np++); break; } else if (mode == 9 && toolz == 0) { /* Tool still up! */ chars_out = fprintf(md, "; Tool Down\nG01 Z%g\nG01 X %g Y %g\n", po->zengage, (pt1.x - po->xmin) * xcoord2mm, (pt1.y - po->ymin) * ycoord2mm); np++; HPGL_Pt_from_tmpfile(&pt1); chars_out += fprintf(md, poly_next, (pt1.x - po->xmin) * xcoord2mm, (pt1.y - po->ymin) * ycoord2mm, np++); toolz = 1; /* Down */ break; } else if (mode == 9 && toolz == 1) { /* Tool already down skip the lower */ HPGL_Pt_from_tmpfile(&pt1); chars_out = fprintf(md, poly_next, (pt1.x - po->xmin) * xcoord2mm, (pt1.y - po->ymin) * ycoord2mm, np++); break; } #ifdef ATARI else if (mode == 4) { old_pt = pt1; chars_out = fprintf(md, poly_start, (old_pt.x - po->xmin) * xcoord2mm, (old_pt.y - po->ymin) * ycoord2mm, np++); HPGL_Pt_from_tmpfile(&pt1); chars_out += fprintf(md, poly_next, (pt1.x - old_pt.x) * xcoord2mm, (pt1.y - old_pt.y) * ycoord2mm, np++); old_pt = pt1; break; } #endif HPGL_Pt_from_tmpfile(&pt1); if (mode == 8) pt1.y = po->ymax - pt1.y; if (pensize == 0.) break; if (chars_out > max_chars_out) /* prevent overlong lines */ { fprintf(md, poly_last, (pt1.x - po->xmin) * xcoord2mm, (pt1.y - po->ymin) * ycoord2mm); chars_out = fprintf(md, poly_start, (pt1.x - po->xmin) * xcoord2mm, (pt1.y - po->ymin) * ycoord2mm); } else chars_out += fprintf(md, poly_next, (pt1.x - po->xmin) * xcoord2mm, (pt1.y - po->ymin) * ycoord2mm); break; case PLOT_AT: HPGL_Pt_from_tmpfile(&pt1); if (chars_out) { /* Finish up old polygon */ fprintf(md, poly_end); chars_out = 0; } if (pensize == 0) break; #ifdef ATARI if (mode == 4) fprintf(csfile, draw_dot, (pt1.x - po->xmin) * xcoord2mm, (pt1.y - po->ymin) * ycoord2mm); else #endif if (mode == 5 || mode == 8) fprintf(md, draw_dot, (pt1.x - po->xmin) * xcoord2mm, (pt1.y - po->ymin) * ycoord2mm, (pt1.x + 1.0 - po->xmin) * xcoord2mm, (pt1.y - po->ymin) * ycoord2mm); else fprintf(md, draw_dot, (pt1.x - po->xmin) * xcoord2mm, (pt1.y - po->ymin) * ycoord2mm); break; case DEF_PC: if (load_pen_color_table(pg->td) < 0) { PError("Unexpected end of temp. file"); err = ERROR; goto MF_exit; } Eprintf("Warning, no PC support in vector modes!"); break; case DEF_LA: if (load_line_attr(pg->td) < 0) { PError("Unexpected end of temp. file"); err = ERROR; goto MF_exit; } break; default: Eprintf("Illegal cmd in temp. file!"); err = ERROR; goto MF_exit; } if (chars_out) { /* Finish up old polygon */ fprintf(md, poly_end); chars_out = 0; } #ifdef ATARI if (mode == 4) fprintf(csfile, exit_cmd); else #endif fprintf(md, exit_cmd); /* Add file trailer */ MF_exit: if (md != stdout && md != NULL) fclose(md); #ifdef ATARI if (csfile != stdout && csfile != NULL) fclose(csfile); #endif if (!pg->quiet) Eprintf("\n"); return err; }