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-// -*- C++ -*-
-/* Copyright (C) 1994 Free Software Foundation, Inc.
- Written by Francisco Andrés Verdú <pandres@dragonet.es> with many ideas
- taken from the other groff drivers.
-
-
-This file is part of groff.
-
-groff is free software; you can redistribute it and/or modify it under
-the terms of the GNU General Public License as published by the Free
-Software Foundation; either version 2, or (at your option) any later
-version.
-
-groff is distributed in the hope that it will be useful, but WITHOUT ANY
-WARRANTY; without even the implied warranty of MERCHANTABILITY or
-FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
-for more details.
-
-You should have received a copy of the GNU General Public License along
-with groff; see the file COPYING. If not, write to the Free Software
-Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-
-/*
-TODO
-
- - Add X command to include bitmaps
-*/
-#define _GNU_SOURCE
-
-#include "driver.h"
-#include "lbp.h"
-#include "charset.h"
-
-#include "nonposix.h"
-
-#ifdef HAVE_STRNCASECMP
-#ifdef NEED_DECLARATION_STRNCASECMP
-extern "C" {
- // SunOS's string.h fails to declare this.
- int strncasecmp(const char *, const char *, int);
-}
-#endif /* NEED_DECLARATION_STRNCASECMP */
-#endif /* HAVE_STRNCASECMP */
-
-static short int papersize = -1, // papersize
- orientation = -1 , // orientation
- paperlength = 0, // Custom Paper size
- paperwidth = 0,
- ncopies = 1; // Number of copies
-
-class lbp_font : public font {
-public:
- ~lbp_font();
- void handle_unknown_font_command(const char *command, const char *arg,
- const char *filename, int lineno);
- static lbp_font *load_lbp_font(const char *);
- char *lbpname;
- char is_scalable;
-private:
- lbp_font(const char *);
-};
-
-class lbp_printer : public printer {
-public:
- lbp_printer();
- ~lbp_printer();
- void set_char(int, font *, const environment *, int, const char *name);
- void draw(int code, int *p, int np, const environment *env);
- void begin_page(int);
- void end_page(int page_length);
- font *make_font(const char *);
- void end_of_line();
-private:
- void set_line_thickness(int size, int dot = 0);
- void vdmstart();
- void vdmflush(); // the name vdmend was already used in lbp.h
- void setfillmode(int mode);
- void polygon( int hpos,int vpos,int np,int *p);
- char *font_name(const lbp_font *f, const int siz);
-
- int fill_pattern;
- int fill_mode;
- int cur_hpos;
- int cur_vpos;
- lbp_font *cur_font;
- int cur_size;
- unsigned short cur_symbol_set;
- int line_thickness;
-};
-
-// Compatibility section.
-//
-// Here we define some functions not present in some of the targets
-// platforms
-#ifndef HAVE_STRSEP
-// Solaris 8 doesn't have the strsep function
-static char *strsep(char **pcadena, const char *delim)
-{
- char *p;
-
- p = strtok(*pcadena,delim);
- *pcadena = strtok(NULL,delim);
- return p;
-
-};
-#endif
-
-#ifndef HAVE_STRDUP
-// Ditto with OS/390 and strdup
-static char *strdup(const char *s)
-{
- char *result;
-
- result = (char *)malloc(strlen(s)+1);
- if (result != NULL) strcpy(result,s);
- return result;
-
-}; // strdup
-
-#endif
-lbp_font::lbp_font(const char *nm)
-: font(nm)
-{
-}
-
-lbp_font::~lbp_font()
-{
-}
-
-lbp_font *lbp_font::load_lbp_font(const char *s)
-{
- lbp_font *f = new lbp_font(s);
- f->lbpname = NULL;
- f->is_scalable = 1; // Default is that fonts are scalable
- if (!f->load()) {
- delete f;
- return 0;
- }
- return f;
-}
-
-
-void lbp_font::handle_unknown_font_command(const char *command,
- const char *arg,
- const char *filename, int lineno)
-{
- if (strcmp(command, "lbpname") == 0) {
- if (arg == 0)
- fatal_with_file_and_line(filename, lineno,
- "`%1' command requires an argument",
- command);
- this->lbpname = new char[strlen(arg)+1];
- strcpy(this->lbpname,arg);
- // We Recongnize bitmaped fonts by the first character of it's name
- if (arg[0] == 'N') this->is_scalable = 0;
- // fprintf(stderr,"Loading font \"%s\" \n",arg);
- }; // if (strcmp(command, "lbpname")
- // fprintf(stderr,"Loading font %s \"%s\" in %s at %d\n",command,arg,filename,lineno);
-};
-
-static void wp54charset()
-{
- int i;
-
- lbpputs("\033[714;100;29;0;32;120.}");
- for (i = 0; i < sizeof(symset) ; i++) lbpputc(symset[i]);
- lbpputs("\033[100;0 D");
- return ;
-};
-
-lbp_printer::lbp_printer()
-: fill_pattern(1),
- fill_mode(0),
- cur_hpos(-1),
- cur_font(0),
- cur_size(0),
- cur_symbol_set(0),
- line_thickness(-1)
-{
-#ifdef SET_BINARY
- SET_BINARY(fileno(stdout));
-#endif
- lbpinit(stdout);
- lbpputs("\033c\033;\033[2&z\033[7 I\033[?32h\033[?33h\033[11h");
- wp54charset(); // Define the new symbol set
- lbpputs("\033[7 I\033[?32h\033[?33h\033[11h");
- // Paper size handling
- if (orientation < 0) orientation = 0;// Default orientation is portrait
- if (papersize < 0) papersize = 14; // Default paper size is A4
- if (papersize < 80) // standard paper
- lbpprintf("\033[%dp",(papersize | orientation));
- else // Custom paper
- lbpprintf("\033[%d;%d;%dp",(papersize | orientation),\
- paperlength,paperwidth);
-
- // Number of copies
- lbpprintf("\033[%dv\n",ncopies);
-
- lbpputs("\033[0u\033[1u\033P1y Grolbp\033\\");
- lbpmoveabs(0,0);
- lbpputs("\033[0t\033[2t");
- lbpputs("\033('$2\033)' 1"); // Primary symbol set IBML
- // Secondary symbol set IBMR1
- cur_symbol_set = 0;
-};
-
-lbp_printer::~lbp_printer()
-{
- lbpputs("\033P1y\033\\");
- lbpputs("\033c\033<");
-}
-
-void lbp_printer::begin_page(int)
-{
-}
-
-void lbp_printer::end_page(int)
-{
- if (vdminited()) vdmflush();
- lbpputc('\f');
- cur_hpos = -1;
-}
-
-void lbp_printer::end_of_line()
-{
- cur_hpos = -1; // force absolute motion
-}
-
-char *lbp_printer::font_name(const lbp_font *f, const int siz)
-{
- static char bfont_name[255] ; // The resulting font name
- char type, // Italic, Roman, Bold
- ori, // Normal or Rotated
- *nam; // The font name without other data.
-// nam[strlen(f->lbpname)-2]; // The font name without other data.
- int cpi; // The font size in characters per inch
- // (Bitmaped fonts are monospaced).
-
-
- /* Bitmap font selection is ugly in this printer, so don't expect
- this function to be elegant. */
-
- bfont_name[0] = 0x00;
- if (orientation) // Landscape
- ori = 'R';
- else // Portrait
- ori = 'N';
- type = f->lbpname[strlen(f->lbpname)-1];
- nam = new char[strlen(f->lbpname)-2];
- strncpy(nam,&(f->lbpname[1]),strlen(f->lbpname)-2);
- nam[strlen(f->lbpname)-2] = 0x00;
- // fprintf(stderr,"Bitmap font '%s' %d %c %c \n",nam,siz,type,ori);
- /* Since these fonts are avaiable only at certain sizes,
- 10 and 17 cpi for courier, 12 and 17 cpi for elite,
- we adjust the resulting size. */
- cpi = 17;
- // Fortunately there were only two bitmaped fonts shiped with the printer.
- if (!strcasecmp(nam,"courier"))
- { // Courier font
- if (siz >= 12) cpi = 10;
- else cpi = 17;
- };
- if (!strcasecmp(nam,"elite"))
- { // Elite font
- if (siz >= 10) cpi = 12;
- else cpi = 17;
- };
-
- // Now that we have all the data, let's generate the font name.
- if ((type != 'B') && (type != 'I')) // Roman font
- sprintf(bfont_name,"%c%s%d",ori,nam,cpi);
- else
- sprintf(bfont_name,"%c%s%d%c",ori,nam,cpi,type);
-
- return bfont_name;
-
-}; // lbp_printer::font_name
-
-void lbp_printer::set_char(int index, font *f, const environment *env, int w, const char *name)
-{
- int code = f->get_code(index);
-
- unsigned char ch = code & 0xff;
- unsigned short symbol_set = code >> 8;
- if (f != cur_font) {
- lbp_font *psf = (lbp_font *)f;
- // fprintf(stderr,"Loading font %s \"%d\" \n",psf->lbpname,env->size);
- if (psf->is_scalable)
- { // Scalable font selection is different from bitmaped
- lbpprintf("\033Pz%s.IBML\033\\\033[%d C",psf->lbpname,\
- (int)((env->size*300)/72));
- } else
- { // Bitmaped font
- lbpprintf("\033Pz%s.IBML\033\\\n",font_name(psf,env->size));
- };
- lbpputs("\033)' 1"); // Select IBML and IBMR1 symbol set
- cur_size = env->size;
- cur_font = psf;
- cur_symbol_set = 0;
- }
- if (symbol_set != cur_symbol_set) {
- if ( cur_symbol_set == 3 ) {
- // if current symbol set is Symbol we must restore the font
- lbpprintf("\033Pz%s.IBML\033\\\033[%d C",cur_font->lbpname,\
- (int)((env->size*300)/72));
- }; // if ( cur_symbol_set == 3 )
- switch (symbol_set) {
- case 0: lbpputs("\033('$2\033)' 1"); // Select IBML and IBMR1 symbol sets
- break;
- case 1: lbpputs("\033(d\033)' 1"); // Select wp54 symbol set
- break;
- case 2: lbpputs("\033('$2\033)'!0"); // Select IBMP symbol set
- break;
- case 3: lbpprintf("\033PzSymbol.SYML\033\\\033[%d C",\
- (int)((env->size*300)/72));
- lbpputs("\033(\"!!0\033)\"!!1"); // Select symbol font
- break;
- case 4: lbpputs("\033)\"! 1\033(\"!$2"); // Select PS symbol set
- break;
- }; // switch (symbol_set)
-
-// if (symbol_set == 1) lbpputs("\033(d"); // Select wp54 symbol set
-// else lbpputs("\033('$2\033)' 1"); // Select IBML and IBMR1 symbol sets
- cur_symbol_set = symbol_set;
- }
- if (env->size != cur_size) {
-
- if (!cur_font->is_scalable)
- lbpprintf("\033Pz%s.IBML\033\\\n",font_name(cur_font,env->size));
- else
- lbpprintf("\033[%d C",(int)((env->size*300)/72));
- cur_size = env->size;
- }
- if ((env->hpos != cur_hpos) || (env->vpos != cur_vpos))
- {
- // lbpmoveabs(env->hpos - ((5*300)/16),env->vpos );
- lbpmoveabs(env->hpos - 64,env->vpos - 64 );
- cur_vpos = env->vpos;
- cur_hpos = env->hpos;
- };
- if ((ch & 0x7F) < 32) lbpputs("\033[1.v");
- lbpputc(ch);
- cur_hpos += w;
-};
-
-void
-lbp_printer::vdmstart()
-{
- FILE *f;
- static int changed_origin = 0;
-
- errno = 0;
- f = tmpfile();
- // f = fopen("/tmp/gtmp","w+");
- if (f == NULL) perror("Openinig temp file");
- vdminit(f);
- if (!changed_origin) { // we should change the origin only one time
- changed_origin = 1;
- vdmorigin(-63,0);
- };
- vdmlinewidth(line_thickness);
-
-};
-
-void
-lbp_printer::vdmflush()
-{
- char buffer[1024];
- int bytes_read = 1;
-
- vdmend();
- fflush(lbpoutput);
- /* lets copy the vdm code to the output */
- rewind(vdmoutput);
- do
- {
- bytes_read = fread(buffer,1,sizeof(buffer),vdmoutput);
- bytes_read = fwrite(buffer,1,bytes_read,lbpoutput);
- } while ( bytes_read == sizeof(buffer));
-
- fclose(vdmoutput); // This will also delete the file,
- // since it is created by tmpfile()
- vdmoutput = NULL;
-
-}; // lbp_printer::vdmflush
-
-inline void
-lbp_printer::setfillmode(int mode)
-{
- if (mode != fill_mode) {
- if (mode != 1) vdmsetfillmode(mode,1,0);
- else vdmsetfillmode(mode,1,1); // To get black we must use white
- // inverted
- fill_mode = mode;
- };
-}; // setfillmode
-
-inline void
-lbp_printer::polygon( int hpos,int vpos,int np,int *p)
-{
- //int points[np+2],i;
- int *points,i;
-
- points = new int[np+2];
- points[0] = hpos;
- points[1] = vpos;
-/* fprintf(stderr,"Poligon (%d,%d) ", points[0],points[1]);*/
- for (i = 0; i < np; i++) points[i+2] = p[i];
-/* for (i = 0; i < np; i++) fprintf(stderr," %d ",p[i]);
- fprintf(stderr,"\n"); */
- vdmpolygon((np /2) + 1,points);
-};
-
-void lbp_printer::draw(int code, int *p, int np, const environment *env)
-{
- switch (code) {
- case 't':
- if (np == 0) line_thickness = 1;
- else { // troff gratuitously adds an extra 0
- if (np != 1 && np != 2) {
- error("0 or 1 argument required for thickness");
- break;
- } // if (np != ...
- if (p[0] == 0) line_thickness = 1;
- if (p[0] < 0) // Default = 1 point
- line_thickness = (int)(env->size*30/72);
- line_thickness = (int)((abs(p[0])*env->size)/10);
- if ((line_thickness > 16 ) && (!vdminited()))
- { /* for greater thickness we must use VDM */
- vdmstart();
- /* vdmlinewidth(line_thickness); already done in
- * vdmstart() */
- };
- if (vdminited()) vdmlinewidth(line_thickness);
- // fprintf(stderr,"\nthickness: %d == %d, size %d\n",
- // p[0],line_thickness,env->size );
- } // else
- break;
-
- case 'l': // Line
- if (np != 2) {
- error("2 arguments required for line");
- break;
- };
- if (!vdminited()) vdmstart();
- vdmline(env->hpos,env->vpos,p[0],p[1]);
- /*fprintf(stderr,"\nline: %d,%d - %d,%d thickness %d == %d\n",\
- env->hpos - 64,env->vpos -64, env->hpos - 64 + p[0],\
- env->vpos -64 + p[1],env->size, line_thickness);*/
- break;
- case 'R': // Rule
- if (np != 2) {
- error("2 arguments required for Rule");
- break;
- }
- if (vdminited()) {
- setfillmode(fill_pattern); // Solid Rule
- vdmrectangle(env->hpos,env->vpos,p[0],p[1]);
- }
- else {
- lbpruleabs(env->hpos - 64,env->vpos -64 , p[0], p[1]);
- cur_vpos = p[1];
- cur_hpos = p[0];
- };
- fprintf(stderr,"\nrule: thickness %d == %d\n", env->size, line_thickness);
- break;
- case 'P': // Filled Polygon
- if (!vdminited()) vdmstart();
- setfillmode(fill_pattern);
- polygon(env->hpos,env->vpos,np,p);
- break;
- case 'p': // Empty Polygon
- if (!vdminited()) vdmstart();
- setfillmode(0);
- polygon(env->hpos,env->vpos,np,p);
- break;
- case 'C': // Filled Circle
- if (!vdminited()) vdmstart();
- // fprintf(stderr,"Circle (%d,%d) Fill %d\n",env->hpos,env->vpos,fill_pattern);
- setfillmode(fill_pattern);
- vdmcircle(env->hpos + (p[0]/2),env->vpos,p[0]/2);
- break;
- case 'c': // Empty Circle
- if (!vdminited()) vdmstart();
- setfillmode(0);
- vdmcircle(env->hpos + (p[0]/2),env->vpos,p[0]/2);
- break;
- case 'E': // Filled Ellipse
- if (!vdminited()) vdmstart();
- setfillmode(fill_pattern);
- vdmellipse(env->hpos + (p[0]/2),env->vpos,p[0]/2,p[1]/2,0);
- break;
- case 'e': // Empty Ellipse
- if (!vdminited()) vdmstart();
- setfillmode(0);
- vdmellipse(env->hpos + (p[0]/2),env->vpos,p[0]/2,p[1]/2,0);
- break;
- case 'a': // Arc
- if (!vdminited()) vdmstart();
- setfillmode(0);
- // VDM draws arcs clockwise and pic counterclockwise
- // We must compensate for that, exchanging the starting and
- // ending points
- vdmvarc(env->hpos + p[0],env->vpos+p[1],\
- int(sqrt( double((p[0]*p[0])+(p[1]*p[1])))),\
- p[2],p[3],\
- (-p[0]),(-p[1]),1,2);
- break;
- case '~': // Spline
- if (!vdminited()) vdmstart();
- setfillmode(0);
- vdmspline(np/2,env->hpos,env->vpos,p);
- break;
- case 'f':
- if (np != 1 && np != 2) {
- error("1 argument required for fill");
- break;
- };
- // fprintf(stderr,"Fill %d\n",p[0]);
- if ((p[0] == 1) || (p[0] >= 1000)) { // Black
- fill_pattern = 1;
- break;
- }; // if (p[0] == 1)
- if (p[0] == 0) { // White
- fill_pattern = 0;
- break;
- };
- if ((p[0] > 1) && (p[0] < 1000))
- {
- if (p[0] >= 990) fill_pattern = -23;
- else if (p[0] >= 700) fill_pattern = -28;
- else if (p[0] >= 500) fill_pattern = -27;
- else if (p[0] >= 400) fill_pattern = -26;
- else if (p[0] >= 300) fill_pattern = -25;
- else if (p[0] >= 200) fill_pattern = -22;
- else if (p[0] >= 100) fill_pattern = -24;
- else fill_pattern = -21;
- }; // if (p[0] >= 0 && p[0] <= 1000)
- break;
- default:
- error("unrecognised drawing command `%1'", char(code));
- break;
- }; // switch (code)
- return ;
-};
-
-font *lbp_printer::make_font(const char *nm)
-{
- return lbp_font::load_lbp_font(nm);
-}
-
-
-
-printer *make_printer()
-{
- return new lbp_printer;
-}
-
-static struct
-{
- const char *name;
- int code;
-} papersizes[] =
-{{ "A4", 14 },
-{ "letter", 30 },
-{ "legal", 32 },
-{ "executive", 40 },
-};
-
-
-static int set_papersize(const char *papersize)
-{
- int i;
-
- // First test for a standard (i.e. supported directly by the printer)
- // papersize
- for (i = 0 ; i < sizeof(papersizes)/sizeof(papersizes[0]); i++)
- {
- if (strcasecmp(papersizes[i].name,papersize) == 0)
- return papersizes[i].code;
- };
-
- // Now test for a custom papersize
- if (strncasecmp("cust",papersize,4) == 0)
- {
- char *p ,
- *p1,
- *papsize;
-
- p = papsize = strdup(&papersize[4]);
- if (papsize == NULL) return -1;
- p1 = strsep(&p,"x");
- if (p == NULL)
- { // let's test for an uppercase x
- p = papsize ;
- p1 = strsep(&p,"X");
- if (p == NULL) { free(papsize); return -1;};
- }; // if (p1 == NULL)
- paperlength = atoi(p1);
- if (paperlength == 0) { free(papsize); return -1;};
- paperwidth = atoi(p);
- if (paperwidth == 0) { free(papsize); return -1;};
- free(papsize);
- return 82;
- }; // if (strcnasecmp("cust",papersize,4) == 0)
-
- return -1;
-};
-
-static int handle_papersize_command(const char *arg)
-{
- int n = set_papersize(arg);
-
- if (n < 0)
- { // If is not a standard nor custom paper size
- // let's see if it's a file (i.e /etc/papersize )
- FILE *f = fopen(arg,"r");
- if (f != NULL)
- { // the file exists and is readable
- char psize[255],*p;
- fgets(psize,254,f);
- fclose(f);
- // set_papersize doesn't like the trailing \n
- p = psize; while (*p) p++;
- if (*(--p) == '\n') *p = 0x00;
-
- n = set_papersize(psize);
- }; // if (f != NULL)
- }; // if (n < 0)
-
- return n;
-}; // handle_papersize_command
-
-
-static void handle_unknown_desc_command(const char *command, const char *arg,
- const char *filename, int lineno)
-{
- // papersize command
- if (strcasecmp(command, "papersize") == 0) {
- // We give priority to command line options
- if (papersize > 0) return;
- if (arg == 0)
- error_with_file_and_line(filename, lineno,
- "`papersize' command requires an argument");
- else
- {
- int n = handle_papersize_command(arg);
- if (n < 0)
- error_with_file_and_line(filename, lineno,
- "unknown paper size `%1'", arg);
- else
- papersize = n;
-
- }; // if (arg == 0) ... else ...
- }; // if (strcasecmp(command, "papersize")
-
- // orientation command
- if (strcasecmp(command, "orientation") == 0) {
- // We give priority to command line options
- if (orientation > 0) return;
- if (arg == 0)
- error_with_file_and_line(filename, lineno,
- "`papersize' command requires an argument");
- else {
- if (strcasecmp(arg,"portrait") == 0) orientation = 0;
- else { if (strcasecmp(arg,"landscape") == 0) orientation = 1;
- else error_with_file_and_line(filename, lineno,
- "`orientation' command requires an argument");
- };
- }; // if (arg == 0) ... else ...
- }; // if (strcasecmp(command, "orientation") == 0)
-};
-
-static struct option long_options[] = {
- {"orientation",1,NULL,'o'},
- {"version",0,NULL,'v'},
- {"copies",1,NULL,'c'},
- {"landscape",0,NULL,'l'},
- {"papersize",1,NULL,'p'},
- {"fontdir",1,NULL,'F'},
- {"help",0,NULL,'h'},
- {0, 0, 0, 0}
- };
-
-static void usage()
-{
- fprintf(stderr,
- "usage: %s [-lvh] [-c n] [-p paper_size] [-F dir] [-o or] "\
- " [files ...]\n"\
- " -o --orientation=[portrait|landscape]\n"\
- " -v --version\n"\
- " -c --copies=numcopies\n"\
- " -l --landscape\n"\
- " -p --papersize=paper_size\n"\
- " -F --fontdir=dir\n"\
- " -h --help\n",
- program_name);
- exit(1);
-}; // usage
-
-int main(int argc, char **argv)
-{
- if (program_name == NULL) program_name = strdup(argv[0]);
-
- font::set_unknown_desc_command_handler(handle_unknown_desc_command);
- // command line parsing
- int c = 0;
- int option_index = 0;
-
- while (c >= 0 )
- {
- c = getopt_long (argc, argv, "F:p:lvo:c:h",\
- long_options, &option_index);
- switch (c) {
- case 'F' : font::command_line_font_dir(optarg);
- break;
- case 'p' : {
- int n = handle_papersize_command(optarg);
- if (n < 0)
- error("unknown paper size `%1'", optarg);
- else
- papersize = n;
- break;
- };
- case 'l' : orientation = 1;
- break;
- case 'v' : {
- extern const char *version_string;
- fprintf(stderr, "grolbp version %s\n",\
- version_string);
- fflush(stderr);
- break;
- };
- case 'o' : {
- if (strcasecmp(optarg,"portrait") == 0)
- orientation = 0;
- else {
- if (strcasecmp(optarg,"landscape") == 0)
- orientation = 1;
- else
- error("unknown orientation '%1'", optarg);
- };
- break;
- };
- case 'c' : {
- char *ptr;
- long n = strtol(optarg, &ptr, 10);
- if ((n <= 0) && (ptr == optarg))
- error("argument for -c must be a positive integer");
- else if (n <= 0 || n > 32767)
- error("out of range argument for -c");
- else
- ncopies = unsigned(n);
- break;
- }
- case 'h' : usage();
- break;
-
-
- }; // switch (c)
- }; // while (c > 0 )
-
- if (optind >= argc)
- do_file("-");
-
- while (optind < argc) {
- do_file(argv[optind++]);
- };
-
- lbpputs("\033c\033<");
- return 0;
-};
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-16 09:39:39 +0000