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/* Hello, Emacs, this is -*-C-*- */

/* GNUPLOT - hpgl.trm */

/*[

* 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.h.

* This terminal driver supports:

* hpgl, hp7550, hp7580b, HP Laserjet III

* hp7550 has been replaced by "hpgl 8 eject"

* hp7580b has been replaced by "hpgl 4"

* pcl5e/c compatible printers

* AUTHORS

* Colin Kelley, Thomas Williams, Russell Lang

* send your comments or suggestions to (gnuplot-info@lists.sourceforge.net).

* Modified for expanded HPGL/2 and PCL utilites

* Tom Swiler (tom@silica.mse.ufl.edu)

* Modified June 1995 Ian MacPhedran to support newterm format

* Modified October 1995 Ian MacPhedran to simplify HPGL terminals

* Modified January 96 by David Denholm and Emmanuel Bigler for cp850

* and iso international character sets

* Modified February 99 by Jeremy Brenes to give PCL5 terminal optional

* multi-pen support (6 pen default), a default 34" plotting width for

* use with large color plotters such as the HP Designjet 750C,

* various alternative plot sizes, and variable fontsizes;

* Also decreased the HPGL terminal's fixed fontsize to make it more

* reasonable when plots get scaled to 34"

* Modified July 99 by Jeremy Brenes to make extended plot area smaller;

* added solid/dashed lines option, additional font types, mixed fonts

* Modified November 99 by Jeremy Brenes to add a postscript pointtypes

* option, special purpose negative pointtypes, and a pointsize function

* Modified March 18 by Bastian Maerkisch: enhancements to the pcl5 driver:

* option parser more in line with current standards:

* terminal options in arbitrary order; common canvas size and font options

* remove monochrome/solid/dashed option

* change option defaults to 8 pens (PCL5c spec), letter size, and pspoints;

* filled polygons and filled boxes; palette and RGB colors;

* explicit vertical center alignment of text instead of relying on font

* metric guess; rotate text by arbitrary angles; request font "symbol set"

* according to current encoding; bold/italic font support; UTF-8 encoding;

* ignore case/spaces/underscores in font names; more (typical) fonts;

* permit some alternative font alias from non-HP vendors; enhanced text;

* variable line width; optional rounded line ends and joins;

* version 5 dashed lines, including custom dash types; optimized point

* symbols; linewidth/pointsize/fontscale options;

* make use of TBOOLEAN type; separate help texts for hpgl and pcl5;

#define HPGL

#define PCL

#include "driver.h"

#ifdef TERM_REGISTER

register_term(hpgl)

register_term(pcl5)

#endif /* TERM_REGISTER */

#ifdef TERM_PROTO

TERM_PUBLIC void HPGL_options(void);

TERM_PUBLIC void PCL_options(void);

TERM_PUBLIC void HPGL_init(void);

/* TERM_PUBLIC void HPGL2_init(void); */

TERM_PUBLIC void PCL_init(void);

TERM_PUBLIC void HPGL_graphics(void);

TERM_PUBLIC void HPGL2_graphics(void);

TERM_PUBLIC void PCL_graphics(void);

TERM_PUBLIC void HPGL_text(void);

/* TERM_PUBLIC void HPGL2_text(void); */

TERM_PUBLIC void PCL_text(void);

TERM_PUBLIC void HPGL_linetype(int linetype);

TERM_PUBLIC void HPGL2_linetype(int linetype);

TERM_PUBLIC void HPGL_put_text(unsigned int x, unsigned int y, const char *str);

TERM_PUBLIC void HPGL2_put_text(unsigned int x, unsigned int y, const char *str);

TERM_PUBLIC void HPGL_move(unsigned int x, unsigned int y);

TERM_PUBLIC void HPGL_vector(unsigned int x, unsigned int y);

TERM_PUBLIC void HPGL2_move(unsigned int x, unsigned int y);

TERM_PUBLIC void HPGL2_vector(unsigned int x, unsigned int y);

TERM_PUBLIC void HPGL2_encode(int d);

TERM_PUBLIC int HPGL_text_angle(float ang);

TERM_PUBLIC int HPGL2_text_angle(float ang);

TERM_PUBLIC void HPGL_reset(void);

/* TERM_PUBLIC void HPGL2_reset(void); */

TERM_PUBLIC void PCL_reset(void);

TERM_PUBLIC int HPGL2_justify_text(enum JUSTIFY just);

TERM_PUBLIC int HPGL2_set_font(const char *font);

TERM_PUBLIC void HPGL2_point(unsigned int x, unsigned int y, int number);

TERM_PUBLIC void HPGL2_neg_point(unsigned int x, unsigned int y, int number);

TERM_PUBLIC void HPGL2_pointsize(double size);

TERM_PUBLIC void HPGL2_linewidth(double linewidth);

TERM_PUBLIC void HPGL2_fillbox(int style, unsigned int x1, unsigned int y1, unsigned int width, unsigned int height);

TERM_PUBLIC void HPGL2_filled_polygon(int points, gpiPoint *corners);

TERM_PUBLIC void HPGL2_set_color(t_colorspec *colorspec);

TERM_PUBLIC int HPGL2_make_palette(t_sm_palette *palette);

TERM_PUBLIC void HPGL2_enh_put_text(unsigned int x, unsigned int y, const char str[]);

TERM_PUBLIC void HPGL2_enh_open(char * fontname, double fontsize,

double base, TBOOLEAN widthflag, TBOOLEAN showflag,

int overprint);

TERM_PUBLIC void HPGL2_enh_flush(void);

#define GOT_HPGL_PROTO

#endif /* TERM_PROTO */

#ifndef TERM_PROTO_ONLY

#ifdef TERM_BODY

#ifndef M_SQRT2

#define M_SQRT2 1.41

#endif

* The maximum plot size, in plotter units.

* Note that the actual size of larger plots may be limited by

* available printer memory.

#define HPGL_PUPI 1016 /* Plotter units per inch */

/* Letter */

#define HPGL_XMAX_A 10000

#define HPGL_YMAX_A 7500

/* Legal */

#define HPGL_XMAX_B 13000

#define HPGL_YMAX_B 7500

/* Noextended */

#define HPGL_XMAX_C 45333

#define HPGL_YMAX_C 34000

/* Extended */

#define HPGL_XMAX_D 52000

#define HPGL_YMAX_D 34000

/* A4 */

#define HPGL_XMAX_E 10000

#define HPGL_YMAX_E 7900

#define HPGL_XMAX HPGL_XMAX_A

#define HPGL_YMAX HPGL_YMAX_A

#define PCL_XMAX HPGL_XMAX_A

#define PCL_YMAX (HPGL_YMAX_A-60)

* Tic sizes

#define HPGL_VTIC (HPGL_YMAX/70)

#define HPGL_HTIC (HPGL_YMAX/70)

#define PCL_VTIC ((HPGL_YMAX_C-60)/320)

#define PCL_HTIC ((HPGL_YMAX_C-60)/320)

* Font size for HPGL

#define HPGL_VCHAR (HPGL_YMAX/100*8/10) /* 0.8% */

#define HPGL_HCHAR (HPGL_XMAX/100*3/10) /* 0.3% */

* Font size for HPGL/2

#define HPGL2_DEF_POINT 12 /* Height of font */

#define HPGL2_DEF_PITCH (3 * 72 / (HPGL2_DEF_POINT * 2))

#define HPGL2_VCHAR ((int) HPGL_PUPI * HPGL2_DEF_POINT / 72)

#define HPGL2_HCHAR (HPGL2_VCHAR * 2 / 3)

* Number of available point types for HPGL/2

#define HPGL2_NUM_NOPSPOINTS 6; /* for nopspoints option */

#define HPGL2_NUM_PSPOINTS 75; /* for pspoints option */

* Control constants

#define DOWN 0 /* Pen is down */

#define UP 1 /* Pen is up */

#define UNKNOWN -10 /* Unknown status for lots of things */

* For Polyline Encoded, either use base 64 or base 32.

* Save space with base 64, but get 8-bit characters.

#define HPGL2_BASE64 1

#if HPGL2_BASE64

#define HPGL2_BITS 6

#define HPGL2_LOW_OFFS 63

#define HPGL2_HIGH_OFFS 191

#define HPGL2_MASK 63

#else

#define HPGL2_BITS 5

#define HPGL2_LOW_OFFS 63

#define HPGL2_HIGH_OFFS 95

#define HPGL2_MASK 31

#endif

* Local Prototypes

static void HPGL2_put_text_here(const char *str, TBOOLEAN centeralign);

static int HPGL2_set_font_size(const char *font, double size);

static int HPGL2_map_encoding(void);

static void HPGL2_end_poly(void);

static void HPGL2_dot(int x, int y);

static void HPGL2_diamond(int x, int y, int htic, int vtic);

static void HPGL2_filled_diamond(int x, int y, int htic, int vtic);

static void HPGL2_pentagon(int x, int y, int htic, int vtic);

* Data structures for options

struct HPGL2_font_str {

const char *compare, *alt, *name;

int symbol_set, spacing;

double pitch, height;

int posture, stroke_weight, italic, bold;

int typeface;

};

struct PCL_mode_str {

const char *name, *command;

unsigned int xmax, ymax;

};

* The default font goes first.

static struct HPGL2_font_str HPGL2_font_table[] = {

{ "Un$ivers", "Swiss 742$ SWC", "univers", 277, 1, 0.0, HPGL2_DEF_POINT, 0, 0, 1, 3, 4148 },

{ "St$ick", NULL, "stick", 277, 0, HPGL2_DEF_PITCH, 0.0, 0, 0, 1, 3, 48 },

{ "Al$bertus", "Flare$serif 821", "albertus", 277, 1, 0.0, HPGL2_DEF_POINT, 0, 1, 0, 4, 4362 },

{ "An$tique_Olive", "Inci$sed 901", "antique_olive", 277, 1, 0.0, HPGL2_DEF_POINT, 0, 0, 1, 3, 4168 },

{ "Ar$ial", "Swiss 721", "arial", 277, 1, 0.0, HPGL2_DEF_POINT, 0, 0, 1, 3, 16602 },

{ "Av$ant Garde Gothic", "Geom$etric 711", "avant_garde_gothic", 277, 1, 0.0, HPGL2_DEF_POINT, 0, 0, 1, 2, 24607 },

{ "Bo$okman", "Bookman SWA", "bookman", 277, 1, 0.0, HPGL2_DEF_POINT, 0, -3, 1, 2, 24623 },

{ "Zapf Ch$ancery", "Chan$cery 801", "zapf_chancery", 277, 1, 0.0, HPGL2_DEF_POINT, 1, 0, 1, 0, 45099 },

{ "Cl$arendon Condensed", "Clarendon 701", "clarendon", 277, 1, 0.0, HPGL2_DEF_POINT, 4, 3, 4, 3, 4140 },

{ "Cor$onet", "Ribbon$ 131", "coronet", 277, 1, 0.0, HPGL2_DEF_POINT, 1, 0, 1, 0, 4116 },

{ "Cou$rier", "FixedPitch 810", "courier", 277, 0, HPGL2_DEF_PITCH, 0.0, 0, 0, 1, 3, 4099 },

{ "CourierPS", "Courier SWA", "courier", 277, 0, HPGL2_DEF_PITCH, 0.0, 0, 0, 1, 3, 24579 },

{ "CG Ti$mes", "Dutch 801$ SWA", "cg_times", 277, 1, 0.0, HPGL2_DEF_POINT, 0, 0, 1, 3, 4101 },

{ "Ga$ramond Antiqua", "Aldine 430", "garamond_antigua", 277, 1, 0.0, HPGL2_DEF_POINT, 0, 0, 1, 3, 4197 },

{ "Helv$etica", "Swiss$ SWA", "helvetica", 277, 1, 0.0, HPGL2_DEF_POINT, 0, 0, 1, 3, 24580 },

{ "Helvetica N$arrow", "SwissNarrow$ SWA", "helvetica_narrow", 277, 1, 0.0, HPGL2_DEF_POINT, 4, 0, 5, 3, 24580 },

{ "Le$tter Gothic", "FixedPitch 850", "letter_gothic", 277, 0, HPGL2_DEF_PITCH, 0.0, 0, 0, 1, 3, 4102 },

{ "Ma$rigold", "Calli$graphic 401", "marigold", 277, 1, 0.0, HPGL2_DEF_POINT, 0, 0, 0, 0, 4297 },

{ "New Cen$tury Schlbk", "Cent$urySchbk", "new_century_schlbk", 277, 1, 0.0, HPGL2_DEF_POINT, 0, 0, 1, 3, 24703 },

{ "CG O$mega", "Zapf Humanist$ 601", "cg_omega", 277, 1, 0.0, HPGL2_DEF_POINT, 0, 0, 1, 3, 4113 },

{ "Pa$latino", "Zapf Callig$raphic 801", "palatino", 277, 1, 0.0, HPGL2_DEF_POINT, 0, 0, 1, 3, 24591 },

{ "Ti$mes_New_Roman", "Dutch 801$ SWM", "times_new_roman", 277, 1, 0.0, HPGL2_DEF_POINT, 0, 0, 1, 3, 16901 },

{ "Times Ro$man", "Dutch SWA", "times_roman", 277, 1, 0.0, HPGL2_DEF_POINT, 0, 0, 1, 3, 25093 },

{ "Zapf Di$ngbats", "Ding$ Dings", "zapf_dingbats", 460, 1, 0.0, HPGL2_DEF_POINT, 0, 0, 0, 0, 45101 },

{ "Symbol$ Set", NULL, "symbol", 621, 1, 0.0, HPGL2_DEF_POINT, 0, 0, 0, 0, 4142 },

{ "Symbol PS", "Symbol Set SWA", "symbol_ps", 621, 1, 0.0, HPGL2_DEF_POINT, 0, 0, 0, 0, 45358 },

{ "Tr$uetype_Symbols", NULL, "truetype_symbols", 621, 1, 0.0, HPGL2_DEF_POINT, 0, 0, 0, 0, 16686 },

{ "Wi$ngdings", "More WingBats$ SWC", "wingdings", 18540, 1, 0.0, HPGL2_DEF_POINT, 1, 0, 1, 0, 31402 }

};

#define HPGL2_FONTS (sizeof(HPGL2_font_table) / sizeof (struct HPGL2_font_str))

static struct HPGL2_font_str *HPGL2_font = &HPGL2_font_table[0];

* The default mode goes first. Landscape style plots are probably the

* most compatible with other HPGL devices.

static struct PCL_mode_str PCL_mode_table[] = {

{ "landscape", "\033&l1O" },

{ "portrait", "\033&l0O" }

};

#define PCL_MODES (sizeof(PCL_mode_table) / sizeof (struct PCL_mode_str))

static struct PCL_mode_str PCL_mode = { NULL, NULL, PCL_XMAX, PCL_YMAX };

/* encoding vector for cp850 , characters 128 (0200) -> 255 (0377) */

static char hpgl_cp_850[128][4] = {

/* 0200 */ "\0164\017",

/* 0201 */ "\016O\017",

/* 0202 */ "\016E\017",

/* 0203 */ "\016@\017",

/* 0204 */ "\016L\017",

/* 0205 */ "\016H\017",

/* 0206 */ "\016T\017",

/* 0207 */ "\0165\017",

/* 0210 */ "\016A\017",

/* 0211 */ "\016M\017",

/* 0212 */ "\016I\017",

/* 0213 */ "\016]\017",

/* 0214 */ "\016Q\017",

/* 0215 */ "\016Y\017",

/* 0216 */ "\016X\017",

/* 0217 */ "\016P\017",

/* 0220 */ "\016\134\017",

/* 0221 */ "\016W\017",

/* 0222 */ "\016S\017",

/* 0223 */ "\016B\017",

/* 0224 */ "\016N\017",

/* 0225 */ "\016J\017",

/* 0226 */ "\016C\017",

/* 0227 */ "\016K\017",

/* 0230 */ "\016o\017",

/* 0231 */ "\016Z\017",

/* 0232 */ "\016[\017",

/* 0233 */ "\016V\017",

/* 0234 */ "\016;\017",

/* 0235 */ "\016R\017",

/* 0236 */ "",

/* 0237 */ "\016>\017",

/* 0240 */ "\016D\017",

/* 0241 */ "\016U\017",

/* 0242 */ "\016F\017",

/* 0243 */ "\016G\017",

/* 0244 */ "\0167\017",

/* 0245 */ "\0166\017",

/* 0246 */ "\016y\017",

/* 0247 */ "\016z\017",

/* 0250 */ "\0169\017",

/* 0251 */ "",

/* 0252 */ "",

/* 0253 */ "\016x\017",

/* 0254 */ "\016w\017",

/* 0255 */ "\0168\017",

/* 0256 */ "\016{\017",

/* 0257 */ "\016}\017",

/* 0260 */ "",

/* 0261 */ "",

/* 0262 */ "",

/* 0263 */ "",

/* 0264 */ "",

/* 0265 */ "\016`\017",

/* 0266 */ "\016\042\017",

/* 0267 */ "\016!\017",

/* 0270 */ "",

/* 0271 */ "",

/* 0272 */ "",

/* 0273 */ "",

/* 0274 */ "",

/* 0275 */ "\016?\017",

/* 0276 */ "\016<\017",

/* 0277 */ "",

/* 0300 */ "",

/* 0301 */ "",

/* 0302 */ "",

/* 0303 */ "",

/* 0304 */ "",

/* 0305 */ "",

/* 0306 */ "\016b\017",

/* 0307 */ "\016a\017",

/* 0310 */ "",

/* 0311 */ "",

/* 0312 */ "",

/* 0313 */ "",

/* 0314 */ "",

/* 0315 */ "",

/* 0316 */ "",

/* 0317 */ "\016:\017",

/* 0320 */ "\016d\017",

/* 0321 */ "\016c\017",

/* 0322 */ "\016$\017",

/* 0323 */ "\016%\017",

/* 0324 */ "\016#\017",

/* 0325 */ "",

/* 0326 */ "\016e\017",

/* 0327 */ "\016&\017",

/* 0330 */ "\016'\017",

/* 0331 */ "",

/* 0332 */ "",

/* 0333 */ "",

/* 0334 */ "",

/* 0335 */ "",

/* 0336 */ "\016f\017",

/* 0337 */ "",

/* 0340 */ "\016g\017",

/* 0341 */ "\016^\017",

/* 0342 */ "\016_\017",

/* 0343 */ "\016h\017",

/* 0344 */ "\016j\017",

/* 0345 */ "\016i\017",

/* 0346 */ "",

/* 0347 */ "\016q\017",

/* 0350 */ "\016p\017",

/* 0351 */ "\016m\017",

/* 0352 */ "\016.\017",

/* 0353 */ "\016-\017",

/* 0354 */ "",

/* 0355 */ "",

/* 0356 */ "\0160\017",

/* 0357 */ "\016(\017",

/* 0360 */ "\016v\017",

/* 0361 */ "\016~\017",

/* 0362 */ "",

/* 0363 */ "",

/* 0364 */ "",

/* 0365 */ "\016=\017",

/* 0366 */ "",

/* 0367 */ "",

/* 0370 */ "\016z\017",

/* 0371 */ "\016+\017",

/* 0372 */ "",

/* 0373 */ "",

/* 0374 */ "",

/* 0375 */ "",

/* 0376 */ "",

/* 0377 */ ""

};

/* encoding vector for iso-8859-1 , characters 128 (0200) -> 255 (0377) */

static char hpgl_iso_8859_1[128][4] = {

/* 0200 */ "",

/* 0201 */ "",

/* 0202 */ "",

/* 0203 */ "",

/* 0204 */ "",

/* 0205 */ "",

/* 0206 */ "",

/* 0207 */ "",

/* 0210 */ "",

/* 0211 */ "",

/* 0212 */ "",

/* 0213 */ "",

/* 0214 */ "",

/* 0215 */ "",

/* 0216 */ "",

/* 0217 */ "",

/* 0220 */ "",

/* 0221 */ "\016\017",

/* 0222 */ "\016\017",

/* 0223 */ "",

/* 0224 */ "",

/* 0225 */ "",

/* 0226 */ "",

/* 0227 */ "",

/* 0230 */ "",

/* 0231 */ "",

/* 0232 */ "",

/* 0233 */ "",

/* 0234 */ "",

/* 0235 */ "",

/* 0236 */ "",

/* 0237 */ "",

/* 0240 */ "",

/* 0241 */ "\0168\017",

/* 0242 */ "\0165\017",

/* 0243 */ "\016;\017",

/* 0244 */ "\016:\017",

/* 0245 */ "\016<\017",

/* 0246 */ "\017|\017",

/* 0247 */ "\016=\017",

/* 0250 */ "\016+\017",

/* 0251 */ "",

/* 0252 */ "\016y\017",

/* 0253 */ "\016{\017",

/* 0254 */ "",

/* 0255 */ "",

/* 0256 */ "",

/* 0257 */ "\0160\017",

/* 0260 */ "\016z\017",

/* 0261 */ "\016~\017",

/* 0262 */ "",

/* 0263 */ "",

/* 0264 */ "",

/* 0265 */ "",

/* 0266 */ "",

/* 0267 */ "",

/* 0270 */ "",

/* 0271 */ "",

/* 0272 */ "\016z\017",

/* 0273 */ "\016}\017",

/* 0274 */ "\016w\017",

/* 0275 */ "\016x\017",

/* 0276 */ "",

/* 0277 */ "\0169\017",

/* 0300 */ "\016!\017",

/* 0301 */ "\016`\017",

/* 0302 */ "\016\042\017",

/* 0303 */ "\016a\017",

/* 0304 */ "\016X\017",

/* 0305 */ "\016P\017",

/* 0306 */ "\016S\017",

/* 0307 */ "\0164\017",

/* 0310 */ "\016#\017",

/* 0311 */ "\016\134\017",

/* 0312 */ "\016$\017",

/* 0313 */ "\016%\017",

/* 0314 */ "\016f\017",

/* 0315 */ "\016e\017",

/* 0316 */ "\016\046\017",

/* 0317 */ "\016'\017",

/* 0320 */ "\016c\017",

/* 0321 */ "\0166\017",

/* 0322 */ "\016h\017",

/* 0323 */ "\016g\017",

/* 0324 */ "\016_\017",

/* 0325 */ "\016i\017",

/* 0326 */ "\016Z\017",

/* 0327 */ "",

/* 0330 */ "\016R\017",

/* 0331 */ "\016-\017",

/* 0332 */ "\016m\017",

/* 0333 */ "\016.\017",

/* 0334 */ "\016[\017",

/* 0335 */ "",

/* 0336 */ "\016p\017",

/* 0337 */ "\016^\017",

/* 0340 */ "\016H\017",

/* 0341 */ "\016D\017",

/* 0342 */ "\016@\017",

/* 0343 */ "\016b\017",

/* 0344 */ "\016L\017",

/* 0345 */ "\016T\017",

/* 0346 */ "\016W\017",

/* 0347 */ "\0165\017",

/* 0350 */ "\016I\017",

/* 0351 */ "\016E\017",

/* 0352 */ "\016A\017",

/* 0353 */ "\016M\017",

/* 0354 */ "\016Y\017",

/* 0355 */ "\016U\017",

/* 0356 */ "\016Q\017",

/* 0357 */ "\016]\017",

/* 0360 */ "\016d\017",

/* 0361 */ "\0167\017",

/* 0362 */ "\016J\017",

/* 0363 */ "\016F\017",

/* 0364 */ "\016B\017",

/* 0365 */ "\016j\017",

/* 0366 */ "\016N\017",

/* 0367 */ "",

/* 0370 */ "\016V\017",

/* 0371 */ "\016K\017",

/* 0372 */ "\016G\017",

/* 0373 */ "\016C\017",

/* 0374 */ "\016O\017",

/* 0375 */ "",

/* 0376 */ "\016q\017",

/* 0377 */ "\016o\017"

};

* Static variables to keep track of where we are, etc.

static int HPGL_ang = 0;

static int HPGL_x = UNKNOWN;

static int HPGL_y = UNKNOWN;

static int HPGL_penstate = UNKNOWN;

static int HPGL_pentype;

static double HPGL_fontscale = 1.0;

/* pen */

static int HPGL2_pentype = LT_UNDEFINED;

static int HPGL2_pen = 1;

/* (poly-) lines */

static double HPGL2_lw = 0;

static TBOOLEAN HPGL2_in_pe = FALSE;

static TBOOLEAN HPGL2_lost;

/* point symbols */

static double HPGL2_psize = 1.0; /* Default point size */

/* font/text */

static int HPGL2_font_num_current = 0; /* current font */

static double HPGL2_point_size_current = 0; /* current pointsize */

static double HPGL2_is_italic = FALSE;

static double HPGL2_is_bold = FALSE;

static enum JUSTIFY HPGL2_justification = LEFT;

/* enhanced text */

static double HPGL2_base; /* distance above initial baseline */

static double HPGL2_base_save; /* saved baseline for overprint=3/4 */

static TBOOLEAN HPGL2_sizeonly; /* first pass for right/center aligned text */

static TBOOLEAN HPGL2_opened_string;

static TBOOLEAN HPGL2_show;

static int HPGL2_overprint;

static TBOOLEAN HPGL2_widthflag;

static float HPGL2_enh_fontscale = 1;

* The subroutines, grouped by function for different versions.

static int HPGL_numpen;

static int HPGL_eject;

TERM_PUBLIC void

HPGL_options()

{

HPGL_numpen = 6; /* default to six pens */

HPGL_eject = 0; /* default to no eject */

HPGL_fontscale = 1.0;

while (!END_OF_COMMAND) {

if (almost_equals(c_token, "eje$ct"))

HPGL_eject = 1;

else if (almost_equals(c_token, "fonts$cale")) {

c_token++;

HPGL_fontscale = real_expression();

if (HPGL_fontscale <= 0)

HPGL_fontscale = 1.0;

} else if (isanumber(c_token)) {

HPGL_numpen = (int) real(&token[c_token].l_val);

if (HPGL_numpen <= 0) {

HPGL_numpen = 6;

int_error(c_token, "Number of pens must be positive");

}

} else

int_error(c_token, "expecting \"eject\" or number of pens");

c_token++;

}

sprintf(term_options, "%d pens %s", HPGL_numpen,

HPGL_eject ? "eject" : "noeject");

if (HPGL_fontscale != 1.0)

sprintf( &term_options[strlen(term_options)], " fontscale %.2f", HPGL_fontscale);

}

static int PCL_landscape = TRUE;

static int HPGL2_numpen = 8; /* default to 8 pen color */

static TBOOLEAN HPGL2_pspointset = TRUE; /* default to PS point types */

static int HPGL2_font_num = 0; /* font from options */

static double HPGL2_point_size = HPGL2_DEF_POINT; /* pointsize from options */

static char *PCL_dim = "letter"; /* default plotting dimensions */

static char PCL_dim_buf[256];

static float HPGL2_fontscale = 1.;

static float HPGL2_pointscale = 1.;

static float HPGL2_linewidth_scale = 1.;

static TBOOLEAN HPGL2_rounded = FALSE;

enum PCL_id {

HPGL2_COLOR,

HPGL2_FONT, HPGL2_SIZE,

HPGL2_ENHANCED, HPGL2_NOENHANCED,

HPGL2_NOPSPOINTS, HPGL2_PSPOINTS,

HPGL2_ROUNDED, HPGL2_NOROUNDED,

HPGL2_LINEWIDTH, HPGL2_POINTSIZE, HPGL2_FONTSCALE,

PCL_PORTRAIT, PCL_LANDSCAPE,

PCL_EXTENDED, PCL_NOEXTENDED, PCL_LEGAL, PCL_LETTER, PCL_A4,

PCL_INVALID

};

static struct gen_table PCL_opts[] =

{

{ "col$ors", HPGL2_COLOR },

{ "col$ours", HPGL2_COLOR },

{ "font", HPGL2_FONT },

{ "n$opspoints", HPGL2_NOPSPOINTS },

{ "psp$oints", HPGL2_PSPOINTS },

{ "butt", HPGL2_NOROUNDED },

{ "rou$nded", HPGL2_ROUNDED },

{ "lw", HPGL2_LINEWIDTH },

{ "linew$idth", HPGL2_LINEWIDTH },

{ "ps", HPGL2_POINTSIZE },

{ "points$ize", HPGL2_POINTSIZE },

{ "fs", HPGL2_FONTSCALE },

{ "fonts$cale", HPGL2_FONTSCALE },

{ "po$rtrait", PCL_PORTRAIT },

{ "la$ndscape", PCL_LANDSCAPE },

{ "size", HPGL2_SIZE },

{ "enh$anced", HPGL2_ENHANCED },

{ "noenh$anced", HPGL2_NOENHANCED },

{ NULL, PCL_INVALID }

};

static struct gen_table PCL_size_opts[] =

{

{ "ext$ended", PCL_EXTENDED },

{ "noext$ended", PCL_NOEXTENDED },

{ "leg$al", PCL_LEGAL },

{ "let$ter", PCL_LETTER },

{ "a4", PCL_A4 },

{ NULL, PCL_INVALID }

};

static TBOOLEAN

almost_equal_string(const char *test, const char *str)

{

int i, j;

int after = 0;

int start = 0;

int length = strlen(test);

if (test == NULL || str == NULL)

return FALSE;

for (i = 0, j = 0; i < length + after; i++, j++) {

/* ignore spaces and underscores */

while (str[i] == ' ' || str[i] == '_' || str[i] == '-') i++;

while (test[start + j] == ' ' || test[start + j] == '_' || test[start + j] == '-') j++;

if (toupper(str[i]) != toupper(test[start + j])) {

if (str[i] != '$') {

return FALSE;

} else {

after = 1;

start--; /* back up token ptr */

}

/* i now beyond end of test string */

return (after || str[i] == '$' || str[i] == NUL);

}

TERM_PUBLIC void

PCL_options()

{

int i;

if (PCL_mode.name == NULL)

PCL_mode.name = PCL_mode_table[0].name;

while (!END_OF_COMMAND) {

switch (lookup_table(PCL_opts, c_token)) {

case HPGL2_COLOR:

c_token++;

HPGL2_numpen = END_OF_COMMAND ? 8 : int_expression();

if (HPGL2_numpen < 2) {

HPGL2_numpen = 8;

int_error(c_token, "Number of pens must be larger than two.");

}

break;

case HPGL2_FONT: {

char *s;

c_token++;

if (isstringvalue(c_token) && (s = try_to_get_string())) {

double fontsize;

char *comma = strrchr(s, ',');

if ((comma != NULL) && (sscanf(comma + 1, "%lf", &fontsize) == 1)) {

HPGL2_point_size = fontsize;

*comma = '\0';

} else {

HPGL2_point_size = HPGL2_DEF_POINT;

}

HPGL2_point_size_current = HPGL2_point_size;

if (*s != NUL) {

for (i = 0; i < HPGL2_FONTS && !almost_equal_string(s, HPGL2_font_table[i].compare) && !almost_equal_string(s, HPGL2_font_table[i].alt); i++);

if (i < HPGL2_FONTS) {

HPGL2_font = &HPGL2_font_table[i];

HPGL2_font_num_current = HPGL2_font_num = i;

} else {

int_error(c_token,

"expecting font: stick, cg_times, univers, zapf_dingbats, antique_olive,\n\tarial, courier, garamond_antigua, letter_gothic, cg_omega, albertus,\ntimes_new_roman, clarendon, coronet, marigold, truetype_symbols, or wingdings");

}

if (HPGL2_font->spacing)

HPGL2_font->height = HPGL2_point_size;

else

HPGL2_font->pitch = 72 * 3 / (HPGL2_point_size * 2);

} else {

int_error(c_token, "expecting font string");

}

break;

}

case HPGL2_NOPSPOINTS:

c_token++;

HPGL2_pspointset = FALSE;

break;

case HPGL2_PSPOINTS:

c_token++;

HPGL2_pspointset = TRUE;

break;

case HPGL2_ROUNDED:

c_token++;

HPGL2_rounded = TRUE;

break;

case HPGL2_NOROUNDED:

c_token++;

HPGL2_rounded = FALSE;

break;

case HPGL2_LINEWIDTH:

c_token++;

HPGL2_linewidth_scale = real_expression();

if (HPGL2_linewidth_scale <= 0)

HPGL2_linewidth_scale = 1.;

break;

case HPGL2_POINTSIZE:

c_token++;

HPGL2_pointscale = real_expression();

if (HPGL2_pointscale <= 0)

HPGL2_pointscale = 1.;

break;

case HPGL2_FONTSCALE:

c_token++;

HPGL2_fontscale = real_expression();

if (HPGL2_fontscale <= 0)

HPGL2_fontscale = 1.;

break;

case HPGL2_ENHANCED:

c_token++;

term->flags |= TERM_ENHANCED_TEXT;

term->put_text = HPGL2_enh_put_text;

break;

case HPGL2_NOENHANCED:

c_token++;

term->flags &= ~TERM_ENHANCED_TEXT;

term->put_text = HPGL2_put_text;

break;

case PCL_LANDSCAPE:

c_token++;

PCL_landscape = TRUE;

PCL_mode.name = PCL_mode_table[0].name;

break;

case PCL_PORTRAIT:

c_token++;

PCL_landscape = FALSE;

PCL_mode.name = PCL_mode_table[1].name;

break;

case HPGL2_SIZE:

c_token++;

if (END_OF_COMMAND) {

int_error(c_token, "size argument expected");

} else switch (lookup_table(PCL_size_opts, c_token)) {

case PCL_EXTENDED:

PCL_mode.xmax = (HPGL_XMAX_D);

PCL_mode.ymax = (HPGL_YMAX_D - 60);

PCL_dim = "extended";

c_token++;

break;

case PCL_NOEXTENDED:

PCL_mode.xmax = (HPGL_XMAX_C);

PCL_mode.ymax = (HPGL_YMAX_C - 60);

PCL_dim = "noextended";

c_token++;

break;

case PCL_LEGAL:

PCL_mode.xmax = (HPGL_XMAX_B);

PCL_mode.ymax = (HPGL_YMAX_B - 60);

PCL_dim = "legal";

c_token++;

break;

case PCL_LETTER:

PCL_mode.xmax = (HPGL_XMAX_A);

PCL_mode.ymax = (HPGL_YMAX_A - 60);

PCL_dim = "letter";

c_token++;

break;

case PCL_A4:

PCL_mode.xmax = (HPGL_XMAX_E);

PCL_mode.ymax = (HPGL_YMAX_E - 60);

PCL_dim = "a4";

c_token++;

break;

default: {

/* no known abbreviation */

float xmax, ymax;

size_units explicit_units;

char * unit = "in";

float scale = 1;

explicit_units = parse_term_size(&xmax, &ymax, INCHES);

PCL_mode.xmax = xmax / gp_resolution * HPGL_PUPI;

PCL_mode.ymax = ymax / gp_resolution * HPGL_PUPI;

if (xmax <= 0)

PCL_mode.xmax = PCL_XMAX;

if (ymax <= 0)

PCL_mode.ymax = PCL_YMAX;

switch (explicit_units) {

case CM:

scale = 2.54f;

unit = "cm";

break;

case MM:

scale = 25.4f;

unit = "mm";

break;

case INCHES:

default:

break;

}

sprintf(PCL_dim_buf, "%.2f%s, %.2f%s",

PCL_mode.xmax / HPGL_PUPI / scale, unit,

PCL_mode.ymax / HPGL_PUPI / scale, unit);

PCL_dim = PCL_dim_buf;

}

break;

default:

int_error(c_token, "unrecognized terminal option");

break;

}

sprintf(term_options, "%senhanced %s size %s "

"%s %d "

"font \"%s, %.1f\" "

"%s %s "

"linewidth %.1f pointsize %.1f fontscale %.1f",

(term->flags & TERM_ENHANCED_TEXT) ? "" : "no",

PCL_mode.name, PCL_dim,

"color", HPGL2_numpen,

HPGL2_font->name,

HPGL2_point_size,

HPGL2_pspointset ? "pspoints" : "nopspoints",

HPGL2_rounded ? "rounded" : "butt",

HPGL2_linewidth_scale, HPGL2_pointscale, HPGL2_fontscale

);

}

TERM_PUBLIC void

HPGL_init()

{

}

/* void HPGL2_init ()

{

} */

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gnuplot/term/hpgl.trm at master · gnuplot/gnuplot · GitHub

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