File dvgt-3.51L3.dif of Package dvgt
--- README.SuSE
+++ README.SuSE 2005-10-21 15:05:34.000000000 +0200
@@ -0,0 +1,23 @@
+
+ Dvgt for TeXLive with kpathsea
+ ==============================
+
+This is an adjusted version of dvgt. Therefore
+all obsolate options have been removed and
+other options are changed to work with the
+kpathsea library comming with TeXLive.
+
+ Your SuSE-Team
+
+-------------------------------------------------------------
+
+ Dvgt fuer TeXLive mit kpathsea
+ ==============================
+
+Es handelt sich hier um eine veraenderte version von
+dvgt. Darum sind alle veralteten Optionen entfernt
+worden bzw. die ueberigen Optionen wurden an die
+Kpathsea-Bibliotheken, die in TeXLive enthalten sind,
+angepasst.
+
+ Ihr SuSE-Team
--- doc/tripvdu.tex
+++ doc/tripvdu.tex 2005-10-21 15:05:34.000000000 +0200
@@ -198,7 +198,7 @@ This is \TeX\ page [-11].
\font\Fs=cmr5 scaled 3000
\font\Ft=cmr10 scaled 200
\font\Fu=cmr10 scaled 5000
-\font\Fv=cmsl10 scaled 49
+\font\Fv=cmsl10 scaled 100
\font\Fw=cmsl10 scaled 10000
\leftline{\Fr CMR5 at mag 500 does not exist.}
@@ -207,7 +207,7 @@ This is \TeX\ page [-11].
\leftline{\Ft CMR10 at mag 200 does not exist.}
\leftline{\tenrm These characters are from CMR10 at mag 1000.}
\leftline{\Fu CMR10 at mag 5000 does not exist.}
-\leftline{\Fv CMSL10 at mag 49 does not exist.}
+\leftline{\Fv CMSL10 at mag 100 does not exist.}
\leftline{\Fj These characters are from CMSL10 at mag 1000.}
\leftline{\Fw CMSL10 at mag 10000 does not exist.}
\vfil\eject
--- doc/userguide.tex
+++ doc/userguide.tex 2005-10-21 15:05:34.000000000 +0200
@@ -119,31 +119,31 @@ Option& Program& Environment& Defau
\noalign{\medskip}
|-e|& |dummy_tfm|& |DV_DUMMY_TFM|& |DEF_DUMMY_TFM|& Dummy TFM, used when\cr
&&&& correct TFM's absent.\cr
-\noalign{\medskip}
-|-f|& |pkdir|& |TEXPKS|& |DEF_PK_DIR|& PK fonts' directory.\cr
-&& else&&\cr
-&& |PKFONTS|&&\cr
-&& else&&\cr
-&& |TEXFONTS|&&\cr
-\noalign{\medskip}
-|-h|& |cmd_help|& |DV_HELP|& |DEF_CMD_HELP|& Command help file read\cr
-&&&& by `?' command.\cr
-\noalign{\medskip}
-|-i|& |immed_help|& |DV_IMMED_HELP|& |DEF_IMMED_HELP|& Help file displayed\cr
-&&&& at startup.\cr
+%\noalign{\medskip}
+%|-f|& |pkdir|& |TEXPKS|& |DEF_PK_DIR|& PK fonts' directory.\cr
+%&& else&&\cr
+%&& |PKFONTS|&&\cr
+%&& else&&\cr
+%&& |TEXFONTS|&&\cr
+%\noalign{\medskip}
+%|-h|& |cmd_help|& |DV_HELP|& |DEF_CMD_HELP|& Command help file read\cr
+%&&&& by `?' command.\cr
+%\noalign{\medskip}
+%|-i|& |immed_help|& |DV_IMMED_HELP|& |DEF_IMMED_HELP|& Help file displayed\cr
+%&&&& at startup.\cr
\noalign{\medskip}
|-l|& |landscape|& ---& (portrait)& Landscape page\cr
&&&& (swaps |-x| and |-y|).\cr
\noalign{\medskip}
|-m|& mag& ---& (DVI mag)& Magnification.\cr
-\noalign{\medskip}
-|-p|& |psprefix|& |DV_PSPREFIX|& |DEF_PS_PREFIX|& PS font name prefix.\cr
+%\noalign{\medskip}
+%|-p|& |psprefix|& |DV_PSPREFIX|& |DEF_PS_PREFIX|& PS font name prefix.\cr
\noalign{\medskip}
|-r|& |xres|,& |DV_RES|& |DEF_XRES|,& X and Y resolutions,\cr
& |yres|&& |DEF_YRES|& in dots per inch (dpi).\cr
\noalign{\medskip}
-|-t|& |tfmdir|& |TEXFONTS|& |DEF_TFM_DIR|& TFM files' directory.\cr
-\noalign{\medskip}
+%|-t|& |tfmdir|& |TEXFONTS|& |DEF_TFM_DIR|& TFM files' directory.\cr
+%\noalign{\medskip}
|-v|& |vdu|& |DV_TERM|& ---& Type of VDU.\cr
&& else&&\cr
&& |TERM|&&\cr
@@ -156,7 +156,8 @@ Option& Program& Environment& Defau
\noalign{\medskip}
\enddisplay
-Options -d -e -f -h -i -p -r -t are really for system wizards;
+%Options -d -e -f -h -i -p -r -t are really for system wizards;
+Options -d -e -r are really for system wizards;
their default values have been set up so that most users need never worry
about changing them.
% SYSDEP: take note system wizards!
@@ -169,13 +170,13 @@ about changing them.
\bigskip
\noindent Default values in the supplied `defaults.h'.
-The default TFM and PK directories are:
-\begindisplay
-|.:/usr/local/lib/tex/fonts|\cr
-|.:/usr/local/lib/tex/fonts/tmp|\cr
-\enddisplay
-These cause {\dvgt} to look first in the current directory, then in the
-directories that are standard for Karl Berry's TeX distribution.
+%The default TFM and PK directories are:
+%\begindisplay
+%|.:/usr/local/lib/tex/fonts|\cr
+%|.:/usr/local/lib/tex/fonts/tmp|\cr
+%\enddisplay
+%These cause {\dvgt} to look first in the current directory, then in the
+%directories that are standard for Karl Berry's TeX distribution.
The default dummy TFM metric and PK font files are:
\begindisplay
@@ -188,20 +189,20 @@ printers at present.
Consequently, the default resolution is 300,300 (dots per inch).
-In Karl Berry's font naming convention, PostScript fonts' TFM files
-are prefixed with the letter `p'. By default, {\dvgt} follows this
-convention.
-Several PS font prefixes can be separated by the `:' character,
-as with the PK and TFM directories. The `:' character was chosen
-because it seems easy to remember.
-If no PS font prefixes are specified, as when the list of prefixes is
-an empty string, `', then {\it no\/} fonts are considered PS fonts.
-
-The command and immediate help files default to:
-\begindisplay
-|/usr/local/lib/tex/dvgt/cmd.hlp|\cr
-|/usr/local/lib/tex/dvgt/immed.hlp|\cr
-\enddisplay
+%In Karl Berry's font naming convention, PostScript fonts' TFM files
+%are prefixed with the letter `p'. By default, {\dvgt} follows this
+%convention.
+%Several PS font prefixes can be separated by the `:' character,
+%as with the PK and TFM directories. The `:' character was chosen
+%because it seems easy to remember.
+%If no PS font prefixes are specified, as when the list of prefixes is
+%an empty string, `', then {\it no\/} fonts are considered PS fonts.
+
+%The command and immediate help files default to:
+%\begindisplay
+%|/usr/local/lib/tex/dvgt/cmd.hlp|\cr
+%|/usr/local/lib/tex/dvgt/immed.hlp|\cr
+%\enddisplay
Since most of the industrial world uses metric paper, the default
paper size is A4 (approximately 210 mm wide by 297 mm high).
@@ -251,44 +252,44 @@ for Bounding Boxes.
If a TFM file is missing, then a dummy TFM is sought in the TFM paths.
The dummy TFM filename may be set using the |-e| option.
-\bigskip
-\noindent |-f| {\it dir\/}
-
-{\dvgt} gets all its bit-mapped font information from PK files stored
-in the specified directory (which can, but need not, end with |/|).
-
-\TeX\ gets all its font information from TFM files. A particular TFM file
-usually has a number of corresponding bit-mapped font files, each one
-corresponding to the same set of ideal character shapes, but at a
-different size.
-Although \TeX\ allows you to scale a font to virtually any size,
-it is obviously impossible to provide an infinite number of bit-mapped fonts.
-That is why it is best to stick to the pre-defined |\magstep| values when
-scaling such fonts---you're much more likely to stay within the range of
-existing PK files.
-
-The above warning does not apply to TFM files for resident
-PostScript or other scalable fonts. Such fonts can be used at any
-desired size.
-However, since no bit-map information is available, \dvgt\ cannot
-show characters from such fonts in a Full display.
-Instead, it shows those characters as outline rectangles, using the
-TFM files to determine their bounding boxes, just as in Box mode.
-
-\bigskip
-\noindent |-h| {\it file\/}
-
-The |?| command reads the help file specified by this option.
-The default help file contains a brief summary of all the commands.
-If no help file can be found, then a pre-compiled help text is shown.
-
-\bigskip
-\noindent |-i|
-
-This `option' only displays the current immediate help file's pathname
-and the name of the corresponding environment variable (|DV_IMMED_HELP|).
-The immediate help file is displayed when {\tt dvgt} is typed alone
-on the command line.
+%\bigskip
+%\noindent |-f| {\it dir\/}
+%
+%{\dvgt} gets all its bit-mapped font information from PK files stored
+%in the specified directory (which can, but need not, end with |/|).
+%
+%\TeX\ gets all its font information from TFM files. A particular TFM file
+%usually has a number of corresponding bit-mapped font files, each one
+%corresponding to the same set of ideal character shapes, but at a
+%different size.
+%Although \TeX\ allows you to scale a font to virtually any size,
+%it is obviously impossible to provide an infinite number of bit-mapped fonts.
+%That is why it is best to stick to the pre-defined |\magstep| values when
+%scaling such fonts---you're much more likely to stay within the range of
+%existing PK files.
+%
+%The above warning does not apply to TFM files for resident
+%PostScript or other scalable fonts. Such fonts can be used at any
+%desired size.
+%However, since no bit-map information is available, \dvgt\ cannot
+%show characters from such fonts in a Full display.
+%Instead, it shows those characters as outline rectangles, using the
+%TFM files to determine their bounding boxes, just as in Box mode.
+%
+%\bigskip
+%\noindent |-h| {\it file\/}
+%
+%The |?| command reads the help file specified by this option.
+%The default help file contains a brief summary of all the commands.
+%If no help file can be found, then a pre-compiled help text is shown.
+%
+%\bigskip
+%\noindent |-i|
+%
+%This `option' only displays the current immediate help file's pathname
+%and the name of the corresponding environment variable (|DV_IMMED_HELP|).
+%The immediate help file is displayed when {\tt dvgt} is typed alone
+%on the command line.
\bigskip
\noindent |-m| {\it i\/}
@@ -321,12 +322,12 @@ that will be used to print your document
The Apple LaserWriter, for instance, has a resolution of 300 dots per
inch, so {\tt dvgt -r 300} suits it.
-\bigskip
-\noindent |-t| {\it dir\/}
-
-If a font name does not include an explicit directory, and requires
-a TFM file, then \dvgt\ will use the |-t| value to locate the file.
-The given value can, but need not, end with |/|.
+%\bigskip
+%\noindent |-t| {\it dir\/}
+%
+%If a font name does not include an explicit directory, and requires
+%a TFM file, then \dvgt\ will use the |-t| value to locate the file.
+%The given value can, but need not, end with |/|.
\bigskip
\noindent |-v| {\it string\/}
@@ -346,6 +347,7 @@ values in upper or lower case:
\begindisplay
|aed512|& (AED 512 with 512 by 512 screen)\cr
|kermit|& (MS-Kermit, in Tek4010 emulation: same as ncsatel below)\cr
+|linux|& (Linux SVGA driver)\cr
|ncsatel|& (NCSA Telnet, in Tek4010 emulation)\cr
|regis|& (any ReGIS compatible VDU;
synonyms = |gigi|, |vk100|, |vt125|, |vt240|)\cr
@@ -444,7 +446,7 @@ and display
|Window at (|$h$|,|$v$|) |$wwd$| by |$wht
$| Page at (|$minh$|,|$minv$|) |$pwd$| by |$pht$| IN|\cr
|This is dvgt 3.51 (DVItoVDU, v. 3.0, gt mod 5 rev. 1) - Wed 25 Aug 93|\cr
-|Command: |\cr
+|Command: (? for help) |\cr
\enddisplay
These lines represent the ``dialog region''; the rest of the screen is
called the ``window region'' and should be blank at this stage.
--- src/Makefile.linux
+++ src/Makefile.linux 2005-10-21 15:05:34.000000000 +0200
@@ -8,6 +8,16 @@
SHELL = /bin/sh
.SUFFIXES: .h
+VGA = $(shell test -s /usr/include/vga.h && echo -DVGA)
+L64 = $(shell test -d /usr/lib64 && echo -L/usr/lib64)
+
+ifeq ($(VGA),-DVGA)
+linuxobj = linuxvdu.o
+linuxsrc = linuxvdu.c
+else
+linuxobj =
+linuxsrc =
+endif
# INC = -I/usr/local/include # Where stdlib.h lives?
# INC = -I/usr/local/lib/gcc-include # Where gcc's stdlib.h lives?
@@ -21,13 +31,17 @@ SHELL = /bin/sh
# NOGL set on.
CC = gcc
-CFLAGS = -ansi -DNOLOG #-DNOGL
-DEBUG = #-g
+CFLAGS = -DNOLOG -DNOGL $(VGA)
+DEBUG = -g
DEFN =
INC =
-LDFLAGS = -s
-LIB = -lm -lvgagl -lvga
-OPT = -O2 -ffast-math -finline-functions -fomit-frame-pointer
+LDFLAGS =
+ifeq ($(VGA),-DVGA)
+LIB = -lm -lvgagl -lvga -lkpathsea
+else
+LIB = -lm -lkpathsea
+endif
+OPT = $(RPM_OPT_FLAGS)
USUALS = config.h globals.h
@@ -47,7 +61,7 @@ objs = dvireader.o dvitovdu.o fontreade
termobjs = \
aed512vdu.o \
- linuxvdu.o \
+ $(linuxobj) \
ncsatelvdu.o \
regisvdu.o \
tek4010emu.o \
@@ -69,7 +83,7 @@ srcs = dvireader.c dvitovdu.c fontreade
termsrcs = \
aed512vdu.c \
- linuxvdu.c \
+ $(linuxsrc) \
ncsatelvdu.c \
regisvdu.c \
tek4010emu.c \
@@ -109,7 +123,7 @@ depend: $(CSRCS)
dvgt: $(objects)
- $(CC) $(LDFLAGS) $(DEBUG) $(objects) $(LIB) -o dvgt
+ $(CC) $(LDFLAGS) $(DEBUG) $(objects) $(L64) $(LIB) -o dvgt
# Only strip when not DEBUG-ging.
# strip dvgt
--- src/config.h
+++ src/config.h 2008-03-13 12:46:24.051230964 +0100
@@ -5,6 +5,7 @@
#ifdef __linux__
#define _POSIX_SOURCE 1
+#define _BSD_SOURCE 1
#define USE_WAITPID
#endif
@@ -12,6 +13,14 @@
#include <math.h>
#include <stdio.h>
+#include <kpathsea/c-auto.h>
+
+#include <kpathsea/debug.h> /* debug */
+#include <kpathsea/progname.h> /* program_invocation_name */
+#include <kpathsea/c-pathch.h> /* DIR_SEP_STRING */
+#include <kpathsea/types.h> /* boolean */
+#include <kpathsea/lib.h> /* FATAL */
+
/* Word must be 32 bits. Word is used in the PK bitmap operations. */
/* For an Architecture with 32-bit ints, Word can be int. */
@@ -30,8 +39,9 @@ typedef int Word; /* SYSDEP: ASSUMES
LITTLE_ENDIAN prevails.
*/
-#define LITTLE_ENDIAN /* As God intended */
+/* #define LITTLE_ENDIAN */ /* As God intended */
/* #define BIG_ENDIAN */ /* Otherwise*/
+#include <endian.h>
/* MakeTeXPK support */
#define MAKETEXPK "MakeTeXPK" /* command to call MakeTeXPK */
@@ -67,12 +77,14 @@ typedef int Word; /* SYSDEP: ASSUMES
# define __(X) ()
#endif /* __STDC__ */
+#include <unistd.h> /* defines intptr_t */
+
#ifdef __STDC__
# define Void void /* Void f() = procedure */
# define VOID void /* f (VOID) */
#else /* not __STDC__ */
-# define void int
-# define Void int
+# define void intptr_t
+# define Void intptr_t
# define VOID
#endif /* __STDC__ */
@@ -132,12 +144,6 @@ typedef int Word; /* SYSDEP: ASSUMES
typedef Void (*VFP) (VOID);
typedef Void *Anyptr;
-typedef unsigned char boolean;
-
-#ifndef true
-# define true 1
-# define false 0
-#endif /* not defined true */
/* GT - Has Extern any advantage over extern ? */
#ifndef Extern
@@ -145,7 +151,7 @@ typedef unsigned char boolean;
#endif /* not defined Extern */
Extern int P_argc;
-Extern char **P_argv;
+Extern Char **P_argv;
/* Memory allocation */
extern int OutMem(VOID);
@@ -158,7 +164,12 @@ extern int OutMem(VOID);
#endif
#ifdef GNUC_LIB
-# define Malloc(n) (malloc(n) ?: (Anyptr)OutMem())
+inline static void * Malloc(size_t n)
+{
+ void *ret = malloc(n);
+ if (!ret) (void)OutMem();
+ return ret;
+}
#else /* not GNUC_LIB */
Extern Anyptr __MallocTemp__;
# ifdef ORIGINAL
--- src/defaults.h
+++ src/defaults.h 2005-10-21 15:05:34.000000000 +0200
@@ -5,27 +5,23 @@
/* Initial default values for various DVItoVDU quantities */
+#define DEF_MFMODE "cx"
+
#define DEF_XRES 300.0 /* Horizontal resolution in dpi */
#define DEF_YRES 300.0 /* Vertical resolution in dpi */
+#if 0
#define DEF_PAPERWD "8.5in" /* American letter-size paper width */
#define DEF_PAPERHT "11in" /* American letter-size paper height */
-
-#if 0
+#else
#define DEF_PAPERWD "210mm" /* A4 paper width */
#define DEF_PAPERHT "297mm" /* A4 paper height */
#endif
-#define DEF_PK_DIR ".:/usr/TeX/lib/tex/fonts"
-#define DEF_TFM_DIR ".:/usr/TeX/lib/tex/fonts"
/* PK and TFM of last resort; assumed in resp. usual font directory: */
#define DEF_DUMMY_PK "cmr10.300pk"
#define DEF_DUMMY_TFM "cmr10.tfm"
- /* PS font prefix, by Karl Berry's convention. */
-#define DEF_PS_PREFIX "p"
-
-#define DEF_CMD_HELP "/usr/TeX/bin/cmd.hlp"
-#define DEF_IMMED_HELP "/usr/TeX/bin/immed.hlp"
+#define DEF_DUMMY "cmr10"
#endif /* DEFAULTS_H */
--- src/dvgt.1
+++ src/dvgt.1 2005-10-21 15:05:34.000000000 +0200
@@ -12,21 +12,12 @@ dvgt \- interactive TeX page previewer
.IR dummy_pk \|]
.RB [\| \-e
.IR dummy_tfm \|]
-.RB [\| \-f
-.IR pk_directory \|]
-.RB [\| \-h
-.IR helpfile \|]
-.RB [\| \-i \|]
.RB [\| \-l \|]
.RB [\| \-m
.IR magnification \|]
-.RB [\| \-p
-.IR postscript_font_prefix \|]
.RB [\| \-r
.IR xres
.IR yres \|]
-.RB [\| \-t
-.IR tfm_directory \|]
.RB [\| \-v
.IR vdu \|]
.RB [\| \-x
@@ -75,24 +66,6 @@ Default TFM file, similar to
option. (default is system dependent; environment: DV_DUMMY_TFM)
.TP
-.I \-f file
-.B dvgt
-gets all its font information from PK files. These files are kept within the
-directory specified by this option. (default is system dependent;
-environment: PKFONTS or TEXFONTS)
-
-.TP
-.I \-h file
-The ? command reads the help text file specified by this option. (default is
-system dependent; environment: DV_HELP)
-
-.TP
-.I \-i
-Display the path name of the immediate help file. Typing "dvgt" by itself
-displays the immediate help file. (default is system dependent; environment:
-DV_IMMED_HELP)
-
-.TP
.I \-l
Set landscape mode: exchange x and y dimensions. (This does NOT rotate the
page, sorry.) The default is portrait mode.
@@ -110,17 +83,6 @@ you are doing you should avoid using
especially if your TeX source file uses \magnification AND true
dimensions. (default = DVI magnification)
-.TP
-.I \-p postscript_font_prefix
-.B dvgt
-will search the TFM search paths for TFM metric files with this prefix.
-.B dvgt
-cannot interpret PostScript, but TFM files for PS fonts will allow
-.B dvgt
-to leave sufficient space for PS font characters, which will then be displayed
-as filled (Full mode) or outline (Box mode) blocks of that size. (default is
-system dependent; environment: DV_PSPREFIX)
-
.TP
.I \-r x,y, \-r x
.B dvgt
@@ -137,11 +99,6 @@ used as the resolution both horizontally
system dependent)
.TP
-.I \-t tfm_directory
-This sets the directory where dvgt will look for TFM (TeX Font Metric) files,
-such as "cmr10.tfm". (default is system dependent; environment: TEXFONTS)
-
-.TP
.I \-v string
This option is used to tell
.B dvgt
--- src/dvireader.c
+++ src/dvireader.c 2008-03-13 12:55:37.386098252 +0100
@@ -24,6 +24,7 @@ fontinfo * fontlist, * currfont;
specialinfo * speciallist;
boolean pageempty;
int minhp, minvp, maxhp, maxvp;
+double alpha = 0.0;
/*******************************************************************************
@@ -371,7 +372,7 @@ Static Void ProcessFontDefs (VOID)
int f, c, s, d, a, l; /* hold fntdef parameters */
int i;
Char ch; /* for getting farea and fname */
- string farea, fname; /* a and l bytes long respectively */
+ String farea, fname; /* a and l bytes long respectively */
totalfonts = 0; /* number of nodes in font list */
fontlist = (fontinfo *) NULL;
@@ -383,6 +384,7 @@ Static Void ProcessFontDefs (VOID)
switch (DVIcommand - fntdef1)
{
case 0:
+ default:
f = GetDVIByte();
break;
@@ -457,8 +459,8 @@ Static Void ProcessFontDefs (VOID)
if (DVIcommand != postpost)
{
/* gt - hope outstring has room enough - it should have. */
- string outstring;
- sprintf (outstring,
+ String outstring;
+ snprintf (outstring, maxstring,
"Unexpected DVI command in postamble = %d", DVIcommand);
MesgString (outstring);
MesgLine();
@@ -522,7 +524,7 @@ Void OpenDVIFile (name)
{
int i;
- if (logfile != NULL)
+ if (logfile)
fprintf (logfile, "Opened DVI file `%s'\n", DVIname);
/* get offset of last DVI byte */
@@ -548,8 +550,10 @@ Void OpenDVIFile (name)
writeln ('total bytes = ', DVIoffset:1);
GUBED */
- fprintf (logfile, "Total DVI bytes = %d\n", DVIoffset);
- fflush (logfile);
+ if (logfile) {
+ fprintf (logfile, "Total DVI bytes = %d\n", DVIoffset);
+ fflush (logfile);
+ }
DVIoffset--;
@@ -594,8 +598,8 @@ Void OpenDVIFile (name)
/* gt - I suppose this is correct for length */
int length = strlen (name);
/* gt - hope outstr has sufficient room */
- string outstr;
- sprintf (outstr, "Couldn't open DVI file: `%.*s'\n", length, name);
+ String outstr;
+ snprintf (outstr, maxstring, "Couldn't open DVI file: `%.*s'\n", length, name);
MesgString (outstr);
MesgLine();
@@ -621,6 +625,7 @@ Static Void SkipFntdef (which)
switch (which) /* which = DVIcommand - fntdef1 */
{
case 0:
+ default:
dummy = GetDVIByte();
break;
@@ -928,7 +933,7 @@ boolean MoveToTeXPage (newTeXpage)
boolean Result;
- int savecurrbop, savecurrDVIpage, nextbop, i;
+ int savecurrbop = currbop, savecurrDVIpage, nextbop, i;
boolean atleastone;
/* save away current page and DVI position */
@@ -1000,8 +1005,9 @@ Void SetConversionFactors (xres, yres, m
/* GT - The "254000.0" corresponds to ten thousand units per mm. */
/* Refer to TUG's DVI Driver standard. */
- xconv = ( num / 254000.0 * xres / den * magnification );
- yconv = ( num / 254000.0 * yres / den * magnification );
+ xconv = ( (double)num / 254000.0 * xres / (double)den * magnification );
+ yconv = ( (double)num / 254000.0 * yres / (double)den * magnification );
+ alpha = (((double)den / 7227.0) / 0x100000) * (25400000.0 / (double)num);
}
/* SetConversionFactors */
@@ -1167,6 +1173,8 @@ Inline int YPixelRound (DVIunits)
/******************************************************************************/
+Static Void DoPutChar (int ch);
+
#ifdef __STDC__
Static Void DoSetChar (int ch)
#else
@@ -1180,8 +1188,8 @@ Static Void DoSetChar (ch)
if (ch > maxTeXchar)
{ /* ignore ch */
- string codestr;
- sprintf (codestr, "%d", ch);
+ String codestr;
+ snprintf (codestr, maxstring, "%d", ch);
MesgString ("Unknown character (code ");
MesgString (codestr);
MesgString (") from ");
@@ -1209,8 +1217,25 @@ Static Void DoSetChar (ch)
char_tab = &char_info->chartable[char_info->charcount];
char_tab->hp = hh;
char_tab->vp = vv;
+ switch(ch) {
+ /* DC -> ISO latin 8859-1 */
+ case 255: ch = 223; break; /* LATIN SMALL LETTER SHARP S */
+ case 184: ch = 255; break; /* LATIN SMALL LETTER Y WITH DIAERESI */
+ case 190: ch = 191; break; /* INVERTED QUESTION MARK */
+ case 189: ch = 161; break; /* INVERTED EXCLAMATION MARK */
+ case 191: ch = 163; break; /* POUND SIGN */
+ case 159: ch = 167; break; /* SECTION SIGN */
+ /* DC Ligatures */
+ case 223: DoPutChar('S'); ch = 'S'; break; /* UPPER LETTER SHARP S */
+ case 247: DoPutChar('o'); ch = 'e'; break; /* Dane/Norw oe */
+ case 215: DoPutChar('O'); ch = 'E'; break; /* Dane/Norw OE */
+ case 188: DoPutChar('i'); ch = 'j'; break; /* Ligature ij */
+ case 156: DoPutChar('I'); ch = 'J'; break; /* Ligature IJ */
+ /* DC -> ISO latin 8859-2 */
+ /* Sorry, skipped */
+ default : break;
+ }
char_tab->code = ch;
-
pix_tab = &currfont->pixelptr[ch];
/* do page edges increase? */
@@ -1276,8 +1301,8 @@ Static Void DoPutChar (ch)
if (ch > maxTeXchar)
{ /* ignore ch */
- string codestr;
- sprintf (codestr, "%d", ch);
+ String codestr;
+ snprintf (codestr, maxstring, "%d", ch);
MesgString ("Unknown character (code ");
MesgString (codestr);
MesgString (") from ");
@@ -1304,6 +1329,24 @@ Static Void DoPutChar (ch)
char_tab = &char_info->chartable[char_info->charcount];
char_tab->hp = hh;
char_tab->vp = vv;
+ switch(ch) {
+ /* DC -> ISO latin 8859-1 */
+ case 255: ch = 223; break; /* LATIN SMALL LETTER SHARP S */
+ case 184: ch = 255; break; /* LATIN SMALL LETTER Y WITH DIAERESI */
+ case 190: ch = 191; break; /* INVERTED QUESTION MARK */
+ case 189: ch = 161; break; /* INVERTED EXCLAMATION MARK */
+ case 191: ch = 163; break; /* POUND SIGN */
+ case 159: ch = 167; break; /* SECTION SIGN */
+ /* DC Ligatures */
+ case 223: DoPutChar('S'); ch = 'S'; break; /* UPPER LETTER SHARP S */
+ case 247: DoPutChar('o'); ch = 'e'; break; /* Dane/Norw oe */
+ case 215: DoPutChar('O'); ch = 'E'; break; /* Dane/Norw OE */
+ case 188: DoPutChar('i'); ch = 'j'; break; /* Ligature ij */
+ case 156: DoPutChar('I'); ch = 'J'; break; /* Ligature IJ */
+ /* DC -> ISO latin 8859-2 */
+ /* Sorry, skipped */
+ default : break;
+ }
char_tab->code = ch;
pix_tab = &currfont->pixelptr[ch];
@@ -1961,6 +2004,7 @@ Void InterpretPage (VOID)
switch (DVIcommand - put1)
{
case 0:
+ default:
DoPutChar (GetDVIByte());
break;
@@ -1983,6 +2027,7 @@ Void InterpretPage (VOID)
switch (DVIcommand - set1)
{
case 0:
+ default:
DoSetChar (GetDVIByte());
break;
@@ -2005,6 +2050,7 @@ Void InterpretPage (VOID)
switch (DVIcommand - fnt1)
{
case 0:
+ default:
DoFont (GetDVIByte());
break;
@@ -2027,6 +2073,7 @@ Void InterpretPage (VOID)
switch (DVIcommand - xxx1)
{
case 0:
+ default:
param = GetDVIByte();
break;
--- src/dvireader.h
+++ src/dvireader.h 2005-10-21 15:05:34.000000000 +0200
@@ -91,11 +91,11 @@ typedef struct fontinfo
int fontnum; /* DVI font number: -2^31 .. 2^30 - 1 */
int scaledsize; /* scaled font size in DVI units */
int designsize; /* design size in DVI units */
- string fontarea; /* explicit font directory */
+ String fontarea; /* explicit font directory */
int fontarealen; /* length of fontarea */
- string fontname; /* font name; e.g., "cmr10" */
+ String fontname; /* font name; e.g., "cmr10" */
int fontnamelen; /* length of font name */
- string fontspec; /* complete font file pathname */
+ String fontspec; /* complete font file pathname */
int fontspeclen; /* length of fontspec */
boolean fontexists; /* can fontspec be opened? */
boolean honest; /* true (and not substitute) font */
@@ -106,6 +106,17 @@ typedef struct fontinfo
struct fontinfo * nextfont; /* next node in font list */
} fontinfo; /* a node in list of fonts */
+/* For reading VF files */
+typedef unsigned char bytes;
+#define one(fp) ((bytes) getc(fp))
+#define four(fp) (rbytes (fp, 4))
+inline static unsigned long int rbytes(FILE *fp, int size)
+{
+ unsigned long int x = 0;
+ while (size--) x = (x << 8) | one(fp);
+ return x;
+}
+
/* For the parameter in MoveToTeXPage: */
typedef int TeXcounters[10];
@@ -120,7 +131,7 @@ typedef struct TeXpageinfo
typedef struct specialinfo
{
- string special;
+ String special;
int hp, vp;
struct specialinfo *nextspecial;
} specialinfo;
@@ -148,6 +159,7 @@ Extern int minhp; /* minimum horizonta
Extern int minvp; /* minimum vertical pixel coordinate */
Extern int maxhp; /* maximum horizontal pixel coordinate */
Extern int maxvp; /* maximum vertical pixel coordinate */
+Extern double alpha; /* conversion ratio, DVI unit per TFM unit */
extern Void InitDVIReader (VOID);
extern Void OpenDVIFile __((Char *name));
--- src/dvitovdu.c
+++ src/dvitovdu.c 2008-03-13 13:01:16.085586824 +0100
@@ -3,6 +3,7 @@
/* From input file "dvitovdu.p" */
#include <signal.h>
+#include <values.h>
#ifdef __STDC__
# include <time.h>
@@ -14,6 +15,10 @@
#include "config.h"
+#include <kpathsea/c-ctype.h>
+#include <kpathsea/proginit.h>
+#include <kpathsea/tex-file.h>
+
#include "defaults.h"
#include "globals.h"
#include "help.h"
@@ -33,7 +38,7 @@
/* Variables Exported, via config.h */
int P_argc = 0;
-char ** P_argv = (char **) NULL;
+Char ** P_argv = (Char **) NULL;
Anyptr __MallocTemp__ = (Anyptr) NULL;
@@ -47,6 +52,7 @@ FILE * logfile = (FILE *) NULL;
int DVIstatusl, windowstatusl, messagel, commandl, bottoml;
int windowh, windowv, windowwd, windowht;
+extern boolean xterm;
Static Void DisplayPage (VOID);
Static Void NextCommandLine (VOID);
@@ -123,10 +129,10 @@ static FILE * def_log = (FILE *) NULL;
#define Quit "Q"
/* have a guess */
-#define commprompt "Command: "
+#define commprompt "Command (? for help): "
-Static string commstring; /* holds user responses */
+Static String commstring; /* holds user responses */
Static int commpos; /* current position in commstring */
Static int commlen; /* length of commstring */
Static Char command; /* starting character of command */
@@ -251,7 +257,7 @@ Static char * TimeString (VOID)
Void PadMesg (VOID)
{
/* Pad current text line with spaces. */
- string padding;
+ String padding;
int i;
for (i=0; i < maxstring; i++)
padding[i] = ' ';
@@ -325,8 +331,10 @@ Static Void ClearMessageLine (VOID)
immediately after calling this routine.
*/
- fprintf (logfile, "\n");
- fflush (logfile);
+ if (logfile) {
+ fprintf (logfile, "\n");
+ fflush (logfile);
+ }
ClearTextLine (messagel);
MoveToTextLine (messagel);
@@ -366,8 +374,10 @@ Static Void UpdateDVIStatusLine ()
int i, lastnonzero;
- fprintf (logfile, "\n");
- fflush (logfile);
+ if (logfile) {
+ fprintf (logfile, "\n");
+ fflush (logfile);
+ }
ClearTextLine (DVIstatusl);
MoveToTextLine (DVIstatusl);
@@ -426,9 +436,9 @@ Static Void UpdateDVIStatusLine ()
MesgString (" ");
{
- string msgstring;
+ String msgstring;
/* gt - this is surely safe from overflow of msgstring - yes? */
- sprintf (msgstring, " Zoom=%.2f", zoomfactor);
+ snprintf (msgstring, maxstring, " Zoom=%.2f", zoomfactor);
MesgString (msgstring);
}
@@ -448,7 +458,7 @@ Static Void WriteDimension (precision, r
{
/* Show the given pixel dimension in terms of currentunits. */
- double realdim;
+ double realdim = 0.0;
int fracpart;
switch (currentunits)
@@ -635,13 +645,13 @@ Static boolean GetInteger (str_in, slen,
Note that a + or - by itself is valid and sets n to 0.
*/
- string str;
+ String str;
int absval, last, sign;
boolean inttoobig;
boolean intfound = false;
- (void) memcpy (str, str_in, sizeof (string));
+ (void) memcpy (str, str_in, sizeof (String));
while (*pos < slen && str[*pos] == ' ') /* skip any leading spaces */
{
@@ -720,12 +730,12 @@ Static boolean GetReal (str_in, slen, po
*/
boolean Result;
- string str;
+ String str;
int sign, intpart, fracpart, divisor;
double absreal;
- (void) memcpy (str, str_in, sizeof (string));
+ (void) memcpy (str, str_in, sizeof (String));
/* GetInteger does not remember a sign by itself, so we need to check
for -ve dimensions like -.5 first.
@@ -819,13 +829,13 @@ Static boolean GetDimension (res, str_in
*/
boolean Result;
- string str;
+ String str;
int sign, intdim, fracpart, divisor;
double absrealdim;
boolean intpresent, dimtoobig;
- (void) memcpy (str, str_in, sizeof (string));
+ (void) memcpy (str, str_in, sizeof (String));
/* GetInteger does not remember a sign by itself, so we need to check
for -ve dimensions like -.5 first.
@@ -989,8 +999,10 @@ Static Void BadCommandMessage (VOID)
badcommand = true;
- fprintf (logfile, "\n");
- fflush (logfile);
+ if (logfile) {
+ fprintf (logfile, "\n");
+ fflush (logfile);
+ }
ClearTextLine (commandl);
MoveToTextLine (commandl);
@@ -1467,7 +1479,7 @@ Static Void ZoomWindow (VOID)
(and should be I or O).
*/
- string zs; /* Zoom command string */
+ String zs; /* Zoom command string */
char zch2, zch3; /* Zoom command characters 2 and 3 */
double zoomf; /* Zoom Factor */
boolean zin = true; /* flag for Zoom direction; default = Zoom in */
@@ -1478,6 +1490,7 @@ Static Void ZoomWindow (VOID)
zs[1] = '\0'; /* properly terminate zs */
/* read second command character, which should be 'I' or 'O'. */
+ zch2 = 0;
if (commpos < commlen)
{
zch2 = Cap (commstring[commpos++]);
@@ -1496,6 +1509,7 @@ Static Void ZoomWindow (VOID)
zin = false;
break;
case 'C':
+ zch3 = 0;
if (commpos < commlen)
{
zch3 = Cap (commstring[commpos++]);
@@ -1524,9 +1538,9 @@ Static Void ZoomWindow (VOID)
if (!zok)
{ /* invalid Z* command */
- string got;
+ String got;
ClearMessageLine();
- sprintf (got, "Read `%s', ", zs);
+ snprintf (got, maxstring, "Read `%s', ", zs);
MesgString (got);
MesgString ("ZI, ZO, ZCI or ZCO expected!");
BadCommandMessage();
@@ -1562,10 +1576,10 @@ Static Void ZoomWindow (VOID)
zoomfactor = zoomf;
else /* Zooms of unity or less are rejected */
{ /* this covers zero, and avoids ZI/ZO confusion for user */
- string msgstring;
+ String msgstring;
/* !! GT - dangerous, as msgstring may overflow - unlikely, though */
- sprintf (msgstring,
+ snprintf (msgstring, maxstring,
"zoom factor must > 1, so keeping old factor of %.2f\n",
zoomfactor);
@@ -1580,10 +1594,10 @@ Static Void ZoomWindow (VOID)
#ifdef DEBUG
else /* no number; use the previous Zoom Factor */
{
- string msgstring;
+ String msgstring;
/* !! GT - dangerous, as msgstring may overflow - unlikely, though */
- sprintf (msgstring,
+ snprintf (msgstring, maxstring,
"no zoom argument, so retaining old factor of %.2f", zoomfactor);
ClearMessageLine();
@@ -1829,7 +1843,7 @@ Static Void ProcessPage (VOID)
data structures imported from DVIReader. This routine will also: set the
window size and location to useful values (if autoviewing), update
pageoffpaper (after checking to see if it was TRUE for the previous page
- processed as part of a multiple command string), set screenjustcleared,
+ processed as part of a multiple command String), set screenjustcleared,
paintwindow and paintWindowStatus to TRUE, set paintDVIStatus to
FALSE. */
@@ -1931,7 +1945,7 @@ Static Void ChangeUnits (VOID)
*/
Char nextch1, nextch2;
- string cstr;
+ String cstr;
/* skip any spaces between 'C' command and following unit */
@@ -1951,7 +1965,7 @@ Static Void ChangeUnits (VOID)
else
nextch2 = ' ';
- sprintf (cstr, "%c%c", nextch1, nextch2);
+ snprintf (cstr, maxstring, "%c%c", nextch1, nextch2);
if (!strcmp (cstr, "IN"))
currentunits = ic;
@@ -2189,18 +2203,18 @@ Static Void ShowStatistics (VOID)
goto _L999;
{ /* beginblock */
- string realstring;
+ String realstring;
MesgString ("X Resolution (dpi) = ");
/* xres is unlikely to overflow realstring */
- sprintf (realstring, "%f", xres);
+ snprintf (realstring, maxstring, "%f", xres);
MesgString (realstring);
if (UserHitsReturn (&linecount))
goto _L999;
MesgString ("Y Resolution (dpi) = ");
/* yres is unlikely to overflow realstring */
- sprintf (realstring, "%f", yres);
+ snprintf (realstring, maxstring, "%f", yres);
MesgString (realstring);
if (UserHitsReturn (&linecount))
goto _L999;
@@ -2222,20 +2236,6 @@ Static Void ShowStatistics (VOID)
if (UserHitsReturn (&linecount))
goto _L999;
- MesgString ("PK Font directory = ");
- MesgString (LeftStr);
- MesgString (pkdir);
- MesgString (RightStr);
- if (UserHitsReturn (&linecount))
- goto _L999;
-
- MesgString ("TFM directory = ");
- MesgString (LeftStr);
- MesgString (tfmdir);
- MesgString (RightStr);
- if (UserHitsReturn (&linecount))
- goto _L999;
-
MesgString ("Dummy PK font = ");
MesgString (LeftStr);
MesgString (dummy_pk);
@@ -2250,20 +2250,6 @@ Static Void ShowStatistics (VOID)
if (UserHitsReturn (&linecount))
goto _L999;
- MesgString ("PS font prefix = ");
- MesgString (LeftStr);
- MesgString (psprefix);
- MesgString (RightStr);
- if (UserHitsReturn (&linecount))
- goto _L999;
-
- MesgString ("Command Help file = ");
- MesgString (LeftStr);
- MesgString (cmd_help);
- MesgString (RightStr);
- if (UserHitsReturn (&linecount))
- goto _L999;
-
MesgString ("Horizontal offset = ");
WriteXDim (precision, hoffset);
WriteUnits();
@@ -2320,7 +2306,7 @@ Static Void ShowStatistics (VOID)
thisfontinfo != (fontinfo *) NULL;
thisfontinfo = thisfontinfo->nextfont)
{
- string msgstr; /* output string for messages */
+ String msgstr; /* output string for messages */
int len; /* length of a displayed message */
int maxptroom = 7; /* room for point size message */
int i;
@@ -2332,7 +2318,7 @@ Static Void ShowStatistics (VOID)
}
/* most font names have at most 8 characters, for ms-dos! */
- sprintf (msgstr, "%-8s", thisfontinfo->fontname);
+ snprintf (msgstr, maxstring, "%-8s", thisfontinfo->fontname);
MesgString (msgstr);
MesgString (" ");
@@ -2454,7 +2440,7 @@ _L999: ;
/******************************************************************************/
#define maxline 80
- /* SYSDEP: cmd_help should have <= maxline chars/line */
+ /* SYSDEP: cmd_help_strings should have <= maxline chars/line */
/******************************************************************************/
@@ -2474,7 +2460,7 @@ Static boolean PrintText (text)
else
{
/* Print each text string */
- for (; *text != (char *) NULL; text++)
+ for (; *text != (Char *) NULL; text++)
{
printf ("%s", *text);
/* If there's no newline in *text, print one. */
@@ -2566,8 +2552,10 @@ Static boolean ShowFile (filename)
if ((ch = getc (filep)) == EOF) /* SYSDEP: end of file */
{
- fprintf (logfile, "\n");
- fflush (logfile);
+ if (logfile) {
+ fprintf (logfile, "\n");
+ fflush (logfile);
+ }
ClearTextLine (bottoml);
MoveToTextLine (bottoml);
@@ -2584,8 +2572,10 @@ Static boolean ShowFile (filename)
{
/* blank line before prompt */
- fprintf (logfile, "\n");
- fflush (logfile);
+ if (logfile) {
+ fprintf (logfile, "\n");
+ fflush (logfile);
+ }
ClearTextLine (bottoml);
MoveToTextLine (bottoml);
@@ -2671,8 +2661,10 @@ Static boolean ShowText (text)
{
if (text[lines] == (Char *) NULL) /* end of text */
{
- fprintf (logfile, "\n");
- fflush (logfile);
+ if (logfile) {
+ fprintf (logfile, "\n");
+ fflush (logfile);
+ }
ClearTextLine (bottoml);
MoveToTextLine (bottoml);
@@ -2689,8 +2681,10 @@ Static boolean ShowText (text)
{
/* blank line before prompt */
- fprintf (logfile, "\n");
- fflush (logfile);
+ if (logfile) {
+ fprintf (logfile, "\n");
+ fflush (logfile);
+ }
ClearTextLine (bottoml);
MoveToTextLine (bottoml);
@@ -2736,7 +2730,7 @@ Static boolean ShowCmdHelp (VOID)
maxline characters wide.
*/
- return (ShowFile (cmd_help) || ShowText (cmd_help_strings));
+ return ShowText (cmd_help_strings);
}
/* ShowCmdHelp */
@@ -3238,10 +3232,7 @@ Static boolean FullChar (VOID)
if (!OpenFontFile (thisfontinfo->fontspec))
NotFound (thisfontinfo->fontspec);
} else {
- string dummyspec;
- BuildFileSpec (pkdir, dummy_pk, dummyspec);
- if (!OpenFontFile (dummyspec))
- NotFound (dummyspec);
+ NotFound (dummy_pk);
}
fontopen = true; /* only open font once */
}
@@ -3296,6 +3287,7 @@ Static boolean FullChar (VOID)
wordpos = 0;
/* only consider visible bits; thisbit := left to right */
+ scaledh = 0;
thisbit = left;
while (true) /* bit loop */
{
@@ -3644,8 +3636,10 @@ Static Void DisplayPage (VOID)
}
}
- fprintf (logfile, "\n");
- fprintf (logfile, "Displayed Page.\n");
+ if (logfile) {
+ fprintf (logfile, "\n");
+ fprintf (logfile, "Displayed Page.\n");
+ }
MesgFlush();
}
/* DisplayPage */
@@ -3654,10 +3648,10 @@ Static Void DisplayPage (VOID)
/******************************************************************************/
#ifdef __STDC__
-Void ProcessCommandLine (string commstring)
+Void ProcessCommandLine (String commstring)
#else
Void ProcessCommandLine (commstring)
- string commstring;
+ String commstring;
#endif
{
/* Parse commstring, and call the appropriate command handler
@@ -3918,8 +3912,10 @@ Static Void Finish (VOID)
ResetVDU();
RestoreTerminal();
- fprintf (logfile, "Closed DVI file, reset VDU, and restored terminal.\n");
- fflush (logfile);
+ if (logfile) {
+ fprintf (logfile, "Closed DVI file, reset VDU, and restored terminal.\n");
+ fflush (logfile);
+ }
}
/* Finish */
@@ -4030,6 +4026,11 @@ Void TrapInterrupts (VOID)
/******************************************************************************/
+#ifdef __linux__
+uid_t saveuid;
+gid_t savegid;
+#endif
+
#ifdef __STDC__
int main (int argc, Char *argv[])
#else
@@ -4037,14 +4038,19 @@ int main (argc, argv)
int argc; Char * argv[];
#endif
{
- P_argv = argv;
- P_argc = argc;
-
#ifdef __linux__
- setreuid(geteuid(),getuid()); /* Temporarily give up privs */
- setregid(getegid(),getgid());
+ saveuid=geteuid();
+ savegid=getegid();
+ seteuid(getuid());
+ setegid(getgid());
#endif
+ kpse_set_program_name (argv[0], "dvgt");
+ kpse_set_program_enabled (kpse_pk_format, true, kpse_src_compile);
+
+ P_argv = argv;
+ P_argc = argc;
+
save_init_tty(); /* save initial terminal settings, early */
textlinewidth = 80; /* for the initial screen type */
@@ -4053,21 +4059,15 @@ int main (argc, argv)
if (argc <= 1) /* No commandline arguments: assume user is new */
{
- char * env;
- stringcopy (immed_help, (!(env = getenv ("DV_IMMED_HELP")) ?
- DEF_IMMED_HELP : env));
- /* If this file cannot be printed, print the precompiled information */
- if (!PrintFile (immed_help))
- PrintText (immed_help_strings);
+ PrintText (immed_help_strings);
}
else
{
-
#ifndef NOLOG
DefaultLog(); /* until a DVI-file-specific log's established */
#endif /* NOLOG */
InitOptions(); /* initialise DVIname and command options */
- if (DVIname == (char *) NULL || strlen (DVIname) == 0
+ if (DVIname == (Char *) NULL || strlen (DVIname) == 0
|| DVIname[0] == ' ')
{
/* gt - Eventually, I want to load DVI files interactively. */
@@ -4128,6 +4128,14 @@ int main (argc, argv)
if (mag == 0) /* use DVImag */
mag = DVImag;
SetConversionFactors (xres, yres, mag/1000.0); /* for DVIReader */
+ if (xterm) {
+ WriteChar(ESC);
+ WriteChar('[');
+ WriteChar('?');
+ WriteChar('3');
+ WriteChar('8');
+ WriteChar('h');
+ }
InitVDU(); /* init windowwd/ht etc. */
InitWinVars();
StartText();
@@ -4143,6 +4151,10 @@ int main (argc, argv)
NextCommandLine(); /* parse and execute command(s) */
} while (strcmp ((sprintf (STR1, "%c", command), STR1), Quit));
Finish();
+ if (xterm) {
+ WriteChar(ESC);
+ WriteChar('\003');
+ }
} /* if */
} /* if */
return 0; /* OK */
--- src/fontreader.c
+++ src/fontreader.c 2008-03-13 13:05:17.352948854 +0100
@@ -1,8 +1,15 @@
-/* fontreader.c - 19:53 GMT +10:00 Thu 29 July 1993 - modifier Geoffrey Tobin */
-
-/* From input file "../include/globals.p" */
+/* fontreader.c - functions for reading PK fonts
+ $Id: fontreader.c,v 0.2 1997/03/28 03:16:59 tjchol01 Exp $
+ Authors: Andrew Trevorrow, Ian Dall, Geoffrey Tobin, Tomasz J. Cholewo
+ */
#include "config.h"
+
+#include <kpathsea/config.h>
+#include <kpathsea/tex-file.h>
+#include <kpathsea/tex-glyph.h>
+#include <kpathsea/tex-make.h>
+
#include "globals.h"
#include "files.h"
#include "screenio.h"
@@ -10,1025 +17,334 @@
#include "options.h"
#include "dvireader.h"
#include "fontreader.h"
-#include "defaults.h"
-
-#include "new.h"
-#include "lstring.h"
-
-#ifdef USE_WAITPID
- /* ashtray, 13/10/1993 */
-# include <sys/wait.h>
-# include <unistd.h>
-#endif
-
typedef struct _REC_TFMinfo
-{
- int wdindex, htindex, dpindex;
-} _REC_TFMinfo;
+ {
+ int wdindex, htindex, dpindex;
+ }
+_REC_TFMinfo;
typedef struct _REC_charmetrics
-{
- int width[4], height[4], depth[4];
-} _REC_charmetrics;
+ {
+ int width[4], height[4], depth[4];
+ }
+_REC_charmetrics;
-Static int PTfile; /* PK/TFM file descriptor */
-Static int PToffset; /* current byte offset in PTfile */
-Static int currPTbuff; /* starting byte offset in buffer */
-Static buffer PTbuffer; /* input buffer */
-Static int gpower[33]; /* 0,1,11,111,1111,... */
-Static boolean turnon; /* is current run black? */
-Static int dynf; /* dynamic packing variable */
-Static int repeatcount; /* times to repeat the next row */
-Static int bitweight; /* for bits or nybbles from inputbyte */
-Static int inputbyte; /* the current input byte */
-Static int lf, lh, bc, ec, nw, nh; /* TFM file data; lf unused */
-Static _REC_TFMinfo TFMinfo[maxTeXchar+1];
-Static _REC_charmetrics charmetrics[maxTeXchar+1];
-
-
-/******************************************************************************/
-
-#ifdef __STDC__
-boolean CheckFontPtr (fontinfo * fontptr)
-#else
-boolean CheckFontPtr (fontptr)
- fontinfo * fontptr;
-#endif
+static int PTfile; /* PK/TFM file descriptor */
+static int PToffset; /* current byte offset in PTfile */
+static int currPTbuff; /* starting byte offset in buffer */
+static buffer PTbuffer; /* input buffer */
+static int gpower[33]; /* 0,1,11,111,1111,... */
+static boolean turnon; /* is current run black? */
+static int dynf; /* dynamic packing variable */
+static int repeatcount; /* times to repeat the next row */
+static int bitweight; /* for bits or nybbles from inputbyte */
+static int inputbyte; /* the current input byte */
+static int lf, lh, bc, ec, nw, nh; /* TFM file data; lf unused */
+static _REC_TFMinfo TFMinfo[maxTeXchar + 1];
+static _REC_charmetrics charmetrics[maxTeXchar + 1];
+
+/*--------------------------------------------------------------------*/
+boolean
+CheckFontPtr (fontinfo * fontptr)
{
boolean check = false;
if (fontptr == (fontinfo *) NULL)
- {
- MesgString ("NULL font info passed to CheckFontPtr!");
- MesgLine();
- check = false;
- }
+ {
+ MesgString ("NULL font info passed to CheckFontPtr!");
+ MesgLine ();
+ check = false;
+ }
else if (fontptr->fontnamelen == 0)
- {
- MesgString ("Zero length font name in font info passed to CheckFontPtr!");
- MesgLine();
- check = false;
- }
- else if (!strcmp (fontptr->fontname, ""))
- {
- MesgString ("Empty font name in font info passed to CheckFontPtr!");
- MesgLine();
- check = false;
- }
- else
- {
- check = true;
- }
- return check;
-}
-/* CheckFontPtr */
-
-/******************************************************************************/
-
-#ifdef __STDC__
-boolean BuildFileSpec (const char * areas, const char * name, string spec)
-#else
-boolean BuildFileSpec (areas, name, spec)
- char * areas, * name;
- string spec;
-#endif
-{
- /* Build a complete file specification in spec.
- Firstly, test for valid areas and name.
- */
-
- boolean found = false, more = false;
- string paths;
- char * s = (char *) NULL;
- LString * Lspec = NewLString (maxfontspec);
-
- if (areas == (char *) NULL)
- {
- MesgString ("NULL areas passed to BuildFileSpec!");
- MesgLine();
- return false;
- }
- else if (strlen (areas) == 0)
- {
- MesgString ("Zero length areas passed to BuildFileSpec!");
- MesgLine();
- return false;
- }
-
- if (name == (char *) NULL)
- {
- MesgString ("NULL file name passed to BuildFileSpec!");
- MesgLine();
- return false;
- }
- else if (strlen (name) == 0)
- {
- MesgString ("Zero length file name passed to BuildFileSpec!");
- MesgLine();
- return false;
- }
-
- /* copy areas to paths because strtok() overwrites */
- strncpy (paths, areas, maxfontspec);
- paths[maxfontspec] = '\0'; /* to be careful */
-
- found = false;
- more = true;
-
- /* loop for each directory listed in paths */
- for (s = paths; !found && more; s = (char *) NULL)
- {
- /* NOTE: strtok returns NULL if all characters of s occur in DIRSEP */
- char * onepath = strtok (s, DIRSEP); /* Hope strtok is common in C's */
- if (onepath == (char *) NULL)
{
- more = false;
+ MesgString ("Zero length font name in font info passed to CheckFontPtr!");
+ MesgLine ();
+ check = false;
}
- else
+ else if (!strcmp (fontptr->fontname, ""))
{
- /* start file spec. with one directory */
- Scopys (Lspec, onepath);
- Scats (Lspec, "/");
-
- /* append name */
- Scats (Lspec, name);
-
- strncpy (spec, Lspec->s, maxfontspec);
- spec[maxfontspec] = '\0'; /* to be careful */
-
- /* check whether file exists where spec indicates */
- { /* start block */
- FILE * fp = fopen (spec, "r");
- if (fp != (FILE *) NULL)
- {
- fclose (fp);
- found = true;
- }
- } /* end block */
- } /* fi */
- } /* loop for each directory listed in paths */
-
- FreeLString (Lspec);
-
- return found;
-}
-/* BuildFileSpec */
-
-/******************************************************************************/
-
-#ifdef __STDC__
-Static boolean BuildTFMSpec (fontinfo *tfmptr)
-#else
-Static boolean BuildTFMSpec (tfmptr)
- fontinfo *tfmptr;
-#endif
-{
- /* Build a complete TFM file specification in tfmptr->fontspec.
- This will be done at most once per font.
- Test for valid tfmptr->fontname.
- ASSUMPTIONS:
- tfmptr->fontname contains the basename of the font.
- SIDE EFFECTS on success:
- tfmptr->fontspec will be set.
- tfmptr->fontspeclen will no longer be 0.
- tfmptr->fontexists becomes TRUE if the TFM file can be opened,
- FALSE, if it cannot.
- tfmptr->pkfont becomes FALSE.
- (tfmptr->psfont is unaffected.)
- SIDE EFFECTS on failure:
- EITHER:
- tfmptr is NULL.
- OR:
- tfmptr->fontspec will be unset (holds empty string "").
- tfmptr->fontspeclen will be 0.
- tfmptr->fontexists becomes FALSE.
- tfmptr->pkfont becomes FALSE.
- tfmptr->psfont becomes FALSE.
- */
-
- boolean found = false, more = false;
- string tfmdirs;
- char * s = (char *) NULL;
- LString * Ltfmspec = NewLString (maxfontspec);
-
- if (!CheckFontPtr (tfmptr))
- return false;
-
- /* Initialise correctly */
- strncpy (tfmptr->fontspec, "", maxfontspec);
- tfmptr->fontspeclen = 0;
- tfmptr->fontexists = false;
- tfmptr->pkfont = false;
-
- /* tfmptr->fontarea has been read from DVI file. */
- /* See "dvireadr.c". */
- /* We normally expect fontarea to be empty, for portability. */
-
- if (tfmptr->fontarealen > 0)
- {
- /* start TFM spec. with fontarea as read from DVI file */
- strncpy (tfmdirs, tfmptr->fontarea, maxfontspec);
- tfmdirs[maxfontspec] = '\0'; /* to be careful */
- }
- else
- {
- /* start TFM spec. with each directory from tfmdir, */
- /* as set in "options.c" */
- strncpy (tfmdirs, tfmdir, maxfontspec);
- tfmdirs[maxfontspec] = '\0'; /* to be careful */
- }
-
- found = false;
- more = true;
-
- /* loop for each TFM directory listed in tfmdirs */
- for (s = tfmdirs; !found && more; s = (char *) NULL)
- {
- /* NOTE: strtok returns NULL if all characters of s occur in DIRSEP */
- char * onetfmdir = strtok (s, DIRSEP);
- if (onetfmdir == (char *) NULL)
- {
- more = false;
- }
- else
- {
- /* start TFM spec. with one TFM directory */
- Scopys (Ltfmspec, onetfmdir);
- Scats (Ltfmspec, "/");
-
- /* append <fontname>.tfm */
- Scats (Ltfmspec, tfmptr->fontname);
- Scats (Ltfmspec, ".tfm");
-
- strncpy (tfmptr->fontspec, Ltfmspec->s, maxfontspec);
- tfmptr->fontspec[maxfontspec] = '\0'; /* to be careful */
- tfmptr->fontspeclen = strlen (tfmptr->fontspec); /* quite important */
-
- /* check whether TFM file exists where tfmptr->fontspec indicates */
- { /* start block */
- FILE * fp = fopen (tfmptr->fontspec, "r");
- if (fp != (FILE *) NULL)
- {
- fclose (fp);
- tfmptr->fontexists = true;
- tfmptr->pkfont = false;
- found = true;
- }
- } /* end block */
- } /* fi */
- } /* loop for each TFM directory listed in tfmdirs */
-
- FreeLString (Ltfmspec);
-
- /* Finalise correctly */
- if (!found)
- {
- strncpy (tfmptr->fontspec, "", maxfontspec);
- tfmptr->fontspeclen = 0;
- tfmptr->fontexists = false;
- tfmptr->pkfont = false;
- tfmptr->psfont = false;
- }
-
- return found;
-}
-/* BuildTFMSpec */
-
-/******************************************************************************/
-
-#ifdef __STDC__
-Static boolean
-FndFileInDir (Char *area, Char *name, int mag, fontinfo *pkfp)
-#else
-Static boolean
-FndFileInDir (area, name, mag, pkfp)
- Char *area; Char *name; int mag; fontinfo *pkfp;
-#endif
-{
- /* Seek file <name>.<mag>pk in directory <area>/<name> or <area> .
- If it's found, then store that file spec. in pkfp->fontspec,
- set pkfp->fontspeclen to the length of that file spec,
- and return true.
- If the file spec. is truncated, or the file is not found,
- then return false.
- */
-
- boolean status = false;
- char s[BUFSIZ];
- int len;
-
- /* Does file exist? */
- (Void) sprintf (s, "%s/%s/%s.%dpk", area, name, name, mag);
- if (access (s, F_OK))
- (Void) sprintf (s, "%s/%s.%dpk", area, name, mag);
-
- (Void) strncpy (pkfp->fontspec, s, maxfontspec);
- pkfp->fontspec[maxfontspec] = '\0'; /* to be careful */
- pkfp->fontspeclen = strlen (pkfp->fontspec);
-
- len = strlen (s);
- if (len > maxfontspec)
- {
- fprintf (logfile, "PK font's spec. length = %d\n", pkfp->fontspeclen);
- fprintf (logfile, "PK font's spec. = %s\n", pkfp->fontspec);
- fprintf (logfile, "That PK font's spec. was truncated!\n");
- fflush (logfile);
-
- status = false;
- }
+ MesgString ("Empty font name in font info passed to CheckFontPtr!");
+ MesgLine ();
+ check = false;
+ }
else
- {
- /* Can file be read? */
- if (!access (pkfp->fontspec, R_OK))
- status = true;
- else
- status = false;
- }
- return status;
+ {
+ check = true;
+ }
+ return check;
}
-/* FndFileInDir */
+/* CheckFontPtr */
-/******************************************************************************/
+/*--------------------------------------------------------------------*/
-#define PK_MAGIC 4
+#define fntdef1 243
+ /* fntdef2,fntdef3,fntdef4 = 244,245,246 */
-#ifdef __STDC__
-Static boolean BuildPKSpec (fontinfo * pkptr)
-#else
-Static boolean BuildPKSpec (pkptr)
-fontinfo * pkptr;
-#endif
+/* Scalewidth is code of dvips */
+static int scalewidth (int a, int b)
{
- /* Build a complete PK file specification in pkptr->fontspec.
- This will be done at most once per font.
- Test for valid pkptr->fontname.
- Rounding error in resolution requires an off-by-one check.
- ASSUMPTIONS:
- The global variables mag and xres must be defined.
- pkptr->scaledsize and pkptr->designsize must be defined.
- pkptr->fontname contains the basename of the font.
- SIDE EFFECTS on success:
- pkptr->fontspec will be set.
- pkptr->fontspeclen will no longer be 0.
- pkptr->fontexists becomes TRUE if the PK file can be opened,
- FALSE, if it cannot.
- pkptr->pkfont becomes TRUE if the PK file can be opened,
- FALSE, if it cannot.
- pkptr->psfont becomes FALSE;
- SIDE EFFECTS on failure:
- EITHER:
- pkptr is NULL.
- OR:
- pkptr->fontspec will be unset (holds empty string "").
- pkptr->fontspeclen will be 0.
- pkptr->fontexists becomes FALSE.
- pkptr->pkfont becomes FALSE.
- pkptr->psfont becomes FALSE;
- */
-
- extern string pkdir;
-
- boolean found = false, more = true;
- string pkdir2;
- char * s = (char *) NULL;
-
- if (!CheckFontPtr (pkptr))
- return false;
-
- /* Initialise correctly */
- strncpy (pkptr->fontspec, "", maxfontspec);
- pkptr->fontspeclen = 0;
- pkptr->fontexists = false;
- pkptr->pkfont = false;
- pkptr->psfont = false;
-
- stringcopy (pkdir2, pkdir);
-
- found = false;
- more = true;
-
- /* loop for each directory in pkdir2 */
- for (s = pkdir2; !found && more; s = (char *) NULL)
- {
- char * onepkdir = (char *) NULL;
- int fontsize;
- int tempsize, tempsizelen;
- int i;
-
- /* NOTE: strtok returns NULL if all characters of s occur in DIRSEP */
- onepkdir = strtok (s, DIRSEP);
- if (onepkdir == (char *) NULL)
- {
- more = false;
- }
- else
- {
- string fontname;
- int onepkdirlen = strlen (onepkdir);
-
- /* To be careful: */
- if (onepkdirlen >= maxfontspec)
- {
- onepkdirlen = maxfontspec - 1;
-
- fprintf (logfile, "The PK directory `%s' was just truncated!\n",
- onepkdir);
- fflush (logfile);
- }
-
- strncpy (fontname, pkptr->fontname, maxfontspec);
- fontname[maxfontspec] = '\0'; /* to be careful */
-
- /* start PK spec. with one PK dir */
- strncpy (pkptr->fontspec, onepkdir, maxfontspec-1);
- pkptr->fontspec[maxfontspec] = '\0'; /* to be careful */
- pkptr->fontspeclen = strlen (pkptr->fontspec);
-
- pkptr->fontspec[onepkdirlen] = '/';
- pkptr->fontspec[onepkdirlen + 1] = '\0';
-
- /* gt - I hope "xres" is the right thing to use for the font size */
- fontsize = (int) (mag / 1000.0
- * (double) pkptr->scaledsize / pkptr->designsize
- * xres
- + 0.5);
-
- if (fontsize == 0) /* allow for subtracting 1 */
- ++ fontsize;
-
- tempsize = fontsize;
-
- for (i=0; true; i++) /* loop for adjacent font sizes */
- {
- /* Complete rest of fontspec,
- and return the position of first digit for fontsize.
- We have to try fontsize +/- 1 before giving up because
- rounding problems can occur in the above fontsize calculation.
- */
-
- { /* start block for tempsizelen */
- /* count decimal digits in tempsize */
- int j = tempsize;
- tempsizelen = 0;
- while (j > 0)
- {
- ++ tempsizelen;
- j /= 10;
- }
- } /* end block for tempsizelen */
-
- /* gt - WHAT and WHY is this MAGIC NUMBER (4) here? */
- if ((pkptr->fontnamelen + tempsizelen + PK_MAGIC)
- > sizeof (fontname))
- {
- break;
- }
-
- if (FndFileInDir (onepkdir, fontname, tempsize, pkptr))
- {
- pkptr->fontexists = true; /* specified PK file exists */
- pkptr->pkfont = true;
- pkptr->psfont = false;
- found = true;
- break;
- }
- else if (i > 2) /* original fontsize has been restored */
- {
- break;
- }
- else
- {
- if (i == 0)
- tempsize = fontsize - 1; /* try fontsize-1 */
- else if (i == 1)
- tempsize = fontsize + 1; /* try fontsize+1 */
- else /* i == 2 */
- tempsize = fontsize; /* restore original fontsize */
- } /* inner if */
- } /* inner loop for adjacent font sizes */
- } /* outer if */
- } /* end loop for each directory in pkdir2 */
-
- /* Finalise correctly */
- if (!found)
- {
- strncpy (pkptr->fontspec, "", maxfontspec);
- pkptr->fontspeclen = 0;
- pkptr->fontexists = false;
- pkptr->pkfont = false;
- pkptr->psfont = false;
- }
+ int al, bl ;
- return found;
+ if (a < 0) return -scalewidth(-a, b);
+ if (b < 0) return -scalewidth(a, -b);
+ al = a & 32767;
+ bl = b & 32767;
+ a >>= 15;
+ b >>= 15;
+ return (((al*bl/32768) + a*bl+al*b)/32 + a*b*1024);
}
-/* BuildPKSpec */
-#undef PK_MAGIC
-
-/******************************************************************************/
-
-#ifdef __STDC__
-boolean BuildFontSpec (fontinfo * fontptr)
-#else
-boolean BuildFontSpec (fontptr)
- fontinfo * fontptr;
-#endif
+boolean
+BuildFontSpec (fontinfo * fontptr)
{
/* Build a complete PK or TFM font file specification in fontptr->fontspec.
(May end up with a dummy PK font's or TFM metric's file spec.
- ShowStatistics() in "dvitovdu.c" will show any font substitutions.)
+ ShowStatistics() in "dvitovdu.c" will show any font substitutions.)
This will be done at most once per font.
Test for valid fontptr->fontname.
ASSUMPTIONS:
- fontptr->fontname contains the basename of the font.
+ fontptr->fontname contains the basename of the font.
SIDE EFFECTS on success:
- fontptr->fontspec will be set.
- fontptr->fontspeclen will no longer be 0.
- fontptr->fontexists becomes TRUE if the real or dummy PK or TFM
- file can be opened,
- FALSE, otherwise.
- fontptr->pkfont becomes TRUE if the real or dummy PK file
- can be opened,
- FALSE, otherwise.
- fontptr->psfont becomes TRUE if the font's a PS or pure TFM font
- file that can be opened,
- FALSE, otherwise.
- fontptr->honest becomes TRUE if the true font is used,
- FALSE otherwise.
+ fontptr->fontspec will be set.
+ fontptr->fontspeclen will no longer be 0.
+ fontptr->fontexists becomes TRUE if the real or dummy PK or TFM
+ file can be opened, FALSE, otherwise.
+ fontptr->pkfont becomes TRUE if the real or dummy PK file
+ can be opened, FALSE, otherwise.
+ fontptr->honest becomes TRUE if the true font is used, FALSE otherwise.
SIDE EFFECTS on failure:
- EITHER:
- fontptr is NULL.
- OR:
- fontptr->fontspec will be unset (holds empty string "").
- fontptr->fontspeclen will be 0.
- fontptr->fontexists becomes FALSE.
- fontptr->pkfont becomes FALSE.
- fontptr->psfont becomes FALSE;
- fontptr->honest becomes FALSE.
- */
+ EITHER:
+ fontptr is NULL.
+ OR:
+ fontptr->fontspec will be unset (holds empty string "").
+ fontptr->fontspeclen will be 0.
+ fontptr->fontexists becomes FALSE.
+ fontptr->pkfont becomes FALSE.
+ fontptr->honest becomes FALSE.
+ */
- boolean status = false; /* success? */
+ kpse_glyph_file_type font_ret;
+ string name;
+ unsigned dpi;
+ int m_ret;
if (!CheckFontPtr (fontptr))
return false;
- /**** Correct PK ? ****/
-
- if (fontptr->fontspeclen == 0)
- {
- /* Try PK bitmap font. */
- status = BuildPKSpec (fontptr);
- }
-
- if (fontptr->fontexists)
- {
- fontptr->pkfont = true;
- fontptr->psfont = false;
- fontptr->honest = true;
-
- fprintf (logfile, "Loading PK font file `%s'.\n", fontptr->fontspec);
- fflush (logfile);
- }
- else
- {
- /* PK font file doesn't exist. */
-
- fontptr->pkfont = false;
- fontptr->psfont = false;
- fontptr->honest = false;
-
-#ifdef DEBUG
- fprintf (logfile, "Couldn't fopen PK font file `%s'!\n",
- (fontptr->fontspeclen == 0 ?
- fontptr->fontname : fontptr->fontspec));
- fflush (logfile);
-#endif /* DEBUG */
-
- } /* fi */
-
- /* POSTSCRIPT OR PURE TFM ? */
-
- /* Check for a PostScript font; if font is PS, then psfont becomes TRUE.
- NOTE that strtok skips sequences of separators, and does not make
- empty tokens. Therefore, we cannot set an empty PS prefix in order
- to treat all missing PK fonts as PS fonts.
- */
+ /* Initialise correctly */
+ stringcopy (fontptr->fontspec, "");
+ fontptr->fontspeclen = 0;
+ fontptr->fontexists = false;
+ fontptr->pkfont = false;
+ fontptr->psfont = false;
+ fontptr->honest = false;
+
+#if 0
+ dpi = kpse_magstep_fix ((unsigned) (mag / 5.0 + .5),
+ xres, NULL);
+ tfontptr->font_mag = dpi * 5; /* save correct dpi */
+#endif
+ dpi = (int) (mag / 1000.0 *
+ (double) fontptr->scaledsize / fontptr->designsize * xres + 0.5);
- if (!fontptr->fontexists)
- {
- string prefixes;
- char * seps = DIRSEP; /* use same separators as (PK and TFM) dir's! */
- char * ptr = (char *) NULL;
- boolean more;
-
- strncpy (prefixes, psprefix, maxstring); /* !May TRUNCATE! */
- ptr = prefixes;
-
- do
- {
- char * prefix = strtok (ptr, seps); /* Hope strtok is common in C's */
- more = (prefix != (char *) NULL);
- if (more)
- {
- ptr = (char *) NULL; /* ready for next iteration */
- if (strncmp (fontptr->fontname, prefix, strlen (prefix)) == 0
- && (status = BuildTFMSpec (fontptr)) == true
- && fontptr->fontexists)
- {
- fontptr->psfont = true;
- fontptr->honest = true;
- fontptr->pkfont = false;
- }
- else
- {
- fontptr->psfont = false;
- fontptr->pkfont = false;
- fontptr->honest = false;
- } /* if */
- } /* if */
- }while (more && !fontptr->psfont);
- if (fontptr->psfont)
- {
- fprintf (logfile, "Loading PostScript font TFM `%s'.\n",
- fontptr->fontspec);
- fflush (logfile);
- }
- else
- {
-
-#ifdef DEBUG
- fprintf (logfile, "`%s' is not a PostScript font.\n",
- fontptr->fontname);
- fflush (logfile);
-#endif /* DEBUG */
-
- }
- } /* if */
-
-#ifdef MAKETEXPK
- /**** Can we build the font with MakeTeXPK? ****/
- if (!fontptr->fontexists)
- {
- /* Execute MakeTeXPK on font. */
+ if (dpi == 0) /* allow for subtracting 1 */
+ ++dpi;
- char MakeTeXPK[200];
- double scale;
+ name = kpse_find_vf (fontptr->fontname);
- BreakGraphics ();
+ if (name) { /* This is a virtual font, e.g. a PostScript font */
+ FILE *f = NULL;
+ bytes x;
+
+ f = fopen (name, "r");
+ if (!f)
+ return false;
+
+ /* Strip magic */
+ one(f); one(f);
+ /* Strip comments */
+ fseek(f, (long)one(f), 1);
+ /* Skip checksum */
+ four(f);
+ /* Skip design size */
+ four(f);
+
+ while (((x = one(f)) >= fntdef1) && (x <= fntdef1 + 3)) {
+ size_t n, r;
+ int d, s, ps, pd;
+ rbytes(f, (int)x - fntdef1 + 1); /* Skip TeXnumber */
+ four(f); /* Skip checksum */
+ s = (int)four(f); /* Skip scale */
+ d = (int)four(f); /* Skip design */
+ ps = scalewidth(fontptr->scaledsize, s);
+ pd = (int)(alpha * (double)(d));
+ n = one(f);
+ n += one(f); /* Length of fontname */
+ if (n > maxstring)
+ break;
+ r = fread(fontptr->fontname, sizeof(char), n, f);
+ fontptr->fontname[r] = '\0';
+ fontptr->psfont = true;
+ fontptr->pkfont = false;
+ if (ps == fontptr->scaledsize && pd == fontptr->designsize)
+ break;
+ }
+ fclose(f);
+ }
- scale=(int)((double)fontptr->scaledsize/fontptr->designsize*1000.0+0.5)/1000.0;
+ free(name);
+ kpse_make_tex_discard_errors = true;
+ name = kpse_find_pk (fontptr->fontname, dpi, &font_ret);
+ kpse_make_tex_discard_errors = false;
- sprintf(MakeTeXPK, "%s %s %d %d %.4f %s", MAKETEXPK, fontptr->fontname,
- (int)((double) mag / 1000.0 * scale * xres + 0.5),
- (int)(DEF_XRES), (mag / 1000.0 * scale), MFMODE);
- fprintf(stderr, "%s\n",MakeTeXPK);
- fflush(stderr);
- fprintf(logfile, "%s\n",MakeTeXPK);
- fflush(logfile);
-
-#ifndef USE_WAITPID
- system(MakeTeXPK);
-#else
- /* if we are using svgalib, we may need to restart the waitpid() call,
- which is impossible with the system() routine
- ashtray, 13/10/94
- */
+ if (name)
{
- pid_t child;
- int status, result;
- char *MFname, *MFfont, *MFdpi, *MFbdpi, *MFmag, *MFmode;
-
- switch (child = fork())
+ if (!STREQ (fontptr->fontname, font_ret.name))
{
- case -1: /* error */
- status = errno;
- fprintf(stderr, "fork failed (%d): substituting fonts\n", status);
- fprintf(logfile, "fork failed (%d): substituting fonts\n", status);
- break;
- case 0: /* child */
- MFname = strtok(MakeTeXPK, " ");
- MFfont = strtok(NULL, " ");
- MFdpi = strtok(NULL, " ");
- MFbdpi = strtok(NULL, " ");
- MFmag = strtok(NULL, " ");
- MFmode = strtok(NULL, " ");
- execlp(MFname, MFname, MFfont, MFdpi, MFbdpi, MFmag, MFmode, NULL);
- status = errno;
- fprintf(stderr, "exec failed (%d): substituting fonts\n", status);
- fprintf(logfile, "exec failed (%d): substituting fonts\n", status);
- exit(status);
- default: /* parent */
- for (;;) {
- result = waitpid(child, &status, 0);
- if (result > 0) {
- if (WIFEXITED(status))
- if (WEXITSTATUS(status)) {
- fprintf(stderr,
- "error %d from MakeTeXPK: substituting fonts\n",
- WEXITSTATUS(status));
- fprintf(logfile,
- "error %d from MakeTeXPK: substituting fonts\n",
- WEXITSTATUS(status));
- } else if (WIFSIGNALED(status)) {
- fprintf(stderr,
- "MakeTeXPK exited on signal %d: substituting fonts\n",
- WTERMSIG(status));
- fprintf(logfile,
- "MakeTeXPK exited on signal %d: substituting fonts\n",
- WTERMSIG(status));
- }
- break;
- } else if (result == -1) {
- if (errno == EINTR || errno == ERESTART)
- /* probably got interupted by an IO signal re: svgalib */
- /* so keep waiting */
- continue;
- else {
- fprintf(stderr,
- "error %d waiting for MakeTeXPK: substituting fonts\n",
- errno);
- fprintf(stderr,
- "error %d waiting for MakeTeXPK: substituting fonts\n",
- errno);
- }
- break;
- } else {
- fprintf(stderr, "waitpid() returned early: huh?\n");
- fprintf(logfile, "waitpid() returned early: huh?\n");
- break;
- }
- }
+#if 0
+ WARNING3 ("dvgt: Font %s not found, using %s at %d instead.\n",
+ fontptr->fontname, font_ret.name, font_ret.dpi);
+#endif
}
- fflush(stderr);
- fflush(logfile);
- }
-#endif /* USE_WAITPID */
-
- RestoreGraphics ();
-
- /* Try PK bitmap font. */
- status = BuildPKSpec (fontptr);
-
- if (fontptr->fontexists)
- {
- fontptr->pkfont = true;
- fontptr->psfont = false;
+ else if (!kpse_bitmap_tolerance ((double) font_ret.dpi, (double) dpi))
+ {
+#if 0
+ WARNING3 ("dvilj: Font %s at %d not found, using %d instead.\n",
+ fontptr->fontname, dpi, font_ret.dpi);
+#endif
+ }
+ else
fontptr->honest = true;
- fprintf (logfile, "Loading PK font file `%s'.\n", fontptr->fontspec);
- fflush (logfile);
- }
- else
- {
- /* PK font file doesn't exist. */
-
- fontptr->pkfont = false;
- fontptr->psfont = false;
- fontptr->honest = false;
-
-#ifdef DEBUG
- fprintf (logfile, "Couldn't fopen PK font file `%s'!\n",
- (fontptr->fontspeclen == 0 ?
- fontptr->fontname : fontptr->fontspec));
- fflush (logfile);
-#endif /* DEBUG */
- }
- }
-#endif /* MAKETEXPK */
-
-
-
-
-
-
- /**** Dummy PK? ****/
-
- if (!fontptr->fontexists)
- {
- /* Try dummy PK font. */
-
- string dummyspec;
-
- if (BuildFileSpec (pkdir, dummy_pk, dummyspec))
- {
- /* Fill pixeltable with dummy_pk values. */
-
- fontptr->fontexists = true;
+ fontptr->fontspeclen = strlen (name);
+ stringcopy(fontptr->fontspec, name);
+ free (name);
+ fontptr->fontexists = true; /* specified PK file exists */
fontptr->pkfont = true;
- fontptr->psfont = false;
- fontptr->honest = false;
-
- strncpy (fontptr->fontspec, dummyspec, maxfontspec);
- fontptr->fontspeclen = strlen (fontptr->fontspec);
- status = true;
-
- fprintf (logfile, "Using dummy PK font `%s'\n", dummyspec);
- fflush (logfile);
- }
- else
- {
- /* dummy PK font file doesn't exist. */
-
- fontptr->fontexists = false;
-
- fontptr->pkfont = false;
- fontptr->psfont = false;
- fontptr->honest = false;
-
-#ifdef DEBUG
- fprintf (logfile, "Couldn't fopen dummy PK font file `%s'!\n",
- (fontptr->fontspeclen == 0 ?
- fontptr->fontname : fontptr->fontspec));
- fflush (logfile);
-#endif /* DEBUG */
+ return true;
}
- } /* fi */
-
- /**** Correct TFM? ****/
-
- if (!fontptr->fontexists)
- {
- /* Try the correct font's TFM metric. */
-
- status = BuildTFMSpec (fontptr);
-
- if (fontptr->fontexists)
- {
- fontptr->pkfont = false;
- fontptr->psfont = false;
- fontptr->honest = true;
-
- fprintf (logfile, "Loading TFM metric file for `%s'.\n",
- fontptr->fontname);
- fflush (logfile);
- }
- else
- {
- fontptr->pkfont = false;
- fontptr->psfont = false;
- fontptr->honest = false;
-
-#ifdef DEBUG
- fprintf (logfile, "Couldn't fopen TFM metric file `%s'!\n",
- (fontptr->fontspeclen == 0 ?
- fontptr->fontname : fontptr->fontspec));
- fflush (logfile);
-#endif /* DEBUG */
-
- }
- } /* fi */
-
- /**** Dummy TFM? ****/
-
- if (!fontptr->fontexists)
- {
- /* Try dummy TFM metric. */
-
- string dummyspec;
-
- if (BuildFileSpec (pkdir, dummy_tfm, dummyspec))
- {
- status = true;
- fontptr->fontexists = true;
-
- fontptr->pkfont = false;
- fontptr->psfont = false;
- fontptr->honest = false;
-
- strncpy (fontptr->fontspec, dummyspec, maxfontspec);
- fontptr->fontspeclen = strlen (fontptr->fontspec);
-
- fprintf (logfile, "Using dummy TFM `%s'.\n", dummyspec);
- fflush (logfile);
- }
- else
+ else
{
- status = false;
- fontptr->fontexists = false;
-
- fontptr->pkfont = false;
- fontptr->psfont = false;
- fontptr->honest = false;
-
-#ifdef DEBUG
- fprintf (logfile, "Couldn't fopen dummy TFM metric file `%s'!\n",
- (fontptr->fontspeclen == 0 ?
- fontptr->fontname : fontptr->fontspec));
- fflush (logfile);
-#endif /* DEBUG */
+ /* PK font file doesn't exist. */
+ name = kpse_find_tfm (fontptr->fontname);
+ if (name)
+ {
+ fontptr->fontspeclen = strlen (name);
+ stringcopy(fontptr->fontspec, name);
+ free (name);
+ fontptr->fontexists = true;
+ fontptr->honest = true;
+ }
+ else
+ {
+ name = kpse_find_tfm (dummy_tfm);
+ if (name)
+ {
+ fontptr->fontspeclen = strlen (name);
+ stringcopy(fontptr->fontspec, name);
+ free (name);
+ fontptr->fontexists = true;
+ }
+ }
}
- } /* fi */
-
- /**** Resort to Terse display of this font, using DVI info. ****/
-
- if (!fontptr->fontexists)
- {
- /* Ran out of options. */
-
- fontptr->pkfont = false;
- fontptr->psfont = false;
- fontptr->honest = false;
- status = false;
-
-#ifdef DEBUG
- fprintf (logfile, "No correct PK or TFM for `%s'\n", fontptr->fontname);
- fprintf (logfile, " nor dummy PK `%s'\n", dummy_pk);
- fprintf (logfile, " nor dummy TFM `%s'\n", dummy_tfm);
- fflush (logfile);
-#endif /* DEBUG */
-
- fprintf (logfile, "Using DVI Terse display for `%s'\n", fontptr->fontname);
- fflush (logfile);
-
- } /* fi */
-
- return status;
+ return true;
}
/* BuildFontSpec */
-/******************************************************************************/
+/*--------------------------------------------------------------------*/
-#ifdef __STDC__
-boolean OpenFontFile (Char *name)
-#else
-boolean OpenFontFile (name)
-Char *name;
-#endif
+boolean
+OpenFontFile (Char *name)
{
/* Return TRUE if given file can be (unix-specifically) open-ed.
Only one font file will be open at any given time.
- */
+ */
extern int currPTbuff;
extern int PTfile;
- currPTbuff = -1; /* impossible value for first GetPTByte */
- PTfile = open (name, O_RDONLY, 0); /* unix "open" returns -1 if fails */
+ currPTbuff = -1; /* impossible value for first GetPTByte */
+ PTfile = open (name, O_RDONLY, 0); /* unix "open" returns -1 if fails */
return (PTfile >= 0);
}
/* OpenFontFile */
-/******************************************************************************/
+/*--------------------------------------------------------------------*/
-Void CloseFontFile (VOID)
+void
+CloseFontFile ()
{
/* If there is a currently open font file, then close it. */
if (PTfile >= 0)
- {
- (Void) close (PTfile);
- /* Be cautious: ensure PTfile is negative, after this function. */
- if (PTfile >= 0)
- PTfile = -1;
- }
+ {
+ close (PTfile);
+ /* Be cautious: ensure PTfile is negative, after this function. */
+ if (PTfile >= 0)
+ PTfile = -1;
+ }
}
/* CloseFontFile */
-/*****************************************************************************/
+/*--------------------------------------------------------------------*/
-Inline Static int GetPTByte (VOID)
+static int
+GetPTByte ()
{
/* Returns the value (unsigned) of the byte at PToffset and
advances PToffset for the next GetPTByte.
- */
+ */
int Result, buffstart, result;
- int t;
- buffstart = PToffset / bufflen * bufflen; /* 0, bufflen, 2*bufflen... */
+ buffstart = PToffset / bufflen * bufflen; /* 0, bufflen, 2*bufflen... */
if (buffstart != currPTbuff)
- {
- currPTbuff = buffstart;
+ {
+ currPTbuff = buffstart;
- if (PTfile < 0)
- FatalError ("PTfile not open in GetPTByte!");
+ if (PTfile < 0)
+ {
+ StartText ();
+ ResetVDU (); /* let message stay */
- result = lseek (PTfile, buffstart, 0);
- if (result != buffstart)
- FatalError ("lseek failed in GetPTByte!");
-
- result = read (PTfile, PTbuffer, bufflen);
- if (result == -1)
- FatalError ("Read failed in GetPTByte!");
- }
+ FATAL ("PTfile not open in GetPTByte!");
+ }
+ result = lseek (PTfile, buffstart, 0);
+ if (result != buffstart)
+ {
+ StartText ();
+ ResetVDU (); /* let message stay */
+
+ FATAL ("lseek failed in GetPTByte!");
+ }
+ result = read (PTfile, PTbuffer, bufflen);
+ if (result == -1)
+ {
+ StartText ();
+ ResetVDU (); /* let message stay */
+
+ FATAL ("Read failed in GetPTByte!");
+ }
+ }
Result = PTbuffer[PToffset - buffstart];
PToffset++;
return Result;
}
/* GetPTByte */
-/*****************************************************************************/
+/*--------------------------------------------------------------------*/
-Inline Static int SignedPTByte (VOID)
+static int
+SignedPTByte ()
{
/* the next byte, signed */
int b;
- b = GetPTByte();
+ b = GetPTByte ();
if (b < 128)
return b;
else
@@ -1036,28 +352,30 @@ Inline Static int SignedPTByte (VOID)
}
/* SignedPTByte */
-/*****************************************************************************/
+/*--------------------------------------------------------------------*/
-Inline Static int GetTwoPTBytes (VOID)
+static int
+GetTwoPTBytes ()
{
/* the next 2 bytes, unsigned */
int a, b;
- a = GetPTByte();
- b = GetPTByte();
+ a = GetPTByte ();
+ b = GetPTByte ();
return (a * 256 + b);
}
/* GetTwoPTBytes */
-/*****************************************************************************/
+/*--------------------------------------------------------------------*/
-Inline Static int SignedPTPair (VOID)
+static int
+SignedPTPair ()
{
/* the next 2 bytes, signed */
int a, b;
- a = GetPTByte();
- b = GetPTByte();
+ a = GetPTByte ();
+ b = GetPTByte ();
if (a < 128)
return (a * 256 + b);
else
@@ -1065,309 +383,294 @@ Inline Static int SignedPTPair (VOID)
}
/* SignedPTPair */
-/*****************************************************************************/
+/*--------------------------------------------------------------------*/
/* UNUSED: */
#ifdef GET_THREE_PT_BYTES
-Inline Static int GetThreePTBytes (VOID)
+static int
+GetThreePTBytes ()
{
/* the next 3 bytes, unsigned */
int a, b, c;
- a = GetPTByte();
- b = GetPTByte();
- c = GetPTByte();
+ a = GetPTByte ();
+ b = GetPTByte ();
+ c = GetPTByte ();
return ((a * 256 + b) * 256 + c);
}
/* GetThreePTBytes */
#endif /* GET_THREE_PT_BYTES */
-/*****************************************************************************/
+/*--------------------------------------------------------------------*/
typedef struct int_or_bytes
{
boolean b;
union
- {
- int int_;
- Char byt[4];
- } UU;
-} int_or_bytes;
+ {
+ int int_;
+ char byt[4];
+ }
+ UU;
+}
+int_or_bytes;
-/*****************************************************************************/
+/*--------------------------------------------------------------------*/
-Inline Static int SignedPTQuad (VOID)
+static int
+SignedPTQuad ()
{
/* the next 4 bytes, signed */
int w;
- byte3(w) = GetPTByte();
- byte2(w) = GetPTByte();
- byte1(w) = GetPTByte();
- byte0(w) = GetPTByte();
+ byte3 (w) = GetPTByte ();
+ byte2 (w) = GetPTByte ();
+ byte1 (w) = GetPTByte ();
+ byte0 (w) = GetPTByte ();
return (w);
}
/* SignedPTQuad */
-/*****************************************************************************/
+/*--------------------------------------------------------------------*/
-Inline Static int GetNyb (VOID)
+static int
+GetNyb ()
{
/* Return next nybble in PK file. */
if (bitweight == 0)
- {
- inputbyte = GetPTByte();
- bitweight = 16; /* for next call of GetNyb */
- return (inputbyte / 16); /* high nybble */
- }
+ {
+ inputbyte = GetPTByte ();
+ bitweight = 16; /* for next call of GetNyb */
+ return (inputbyte / 16); /* high nybble */
+ }
else
- {
- bitweight = 0; /* for next call of GetNyb */
- return (inputbyte & 15); /* low nybble */
- }
+ {
+ bitweight = 0; /* for next call of GetNyb */
+ return (inputbyte & 15); /* low nybble */
+ }
}
/* GetNyb */
-/*****************************************************************************/
+/*--------------------------------------------------------------------*/
-Static int PackedNum (VOID)
+static int
+PackedNum ()
{
/* Return next run count using algorithm given in section 23 of PKtype.
A possible side-effect is to set the global repeatcount value used
to duplicate the current row.
- */
+ */
int i, j;
- i = GetNyb();
+ i = GetNyb ();
if (i == 0)
- {
- do
- {
- j = GetNyb();
- i++;
- } while (j == 0);
- while (i > 0)
{
- j = j * 16 + GetNyb();
- i--;
+ do
+ {
+ j = GetNyb ();
+ i++;
+ }
+ while (j == 0);
+ while (i > 0)
+ {
+ j = j * 16 + GetNyb ();
+ i--;
+ }
+ return (j + (13 - dynf) * 16 + dynf - 15);
}
- return (j + (13 - dynf) * 16 + dynf - 15);
- }
else if (i <= dynf)
return i;
else if (i < 14)
- return ((i - dynf - 1) * 16 + GetNyb() + dynf + 1);
+ return ((i - dynf - 1) * 16 + GetNyb () + dynf + 1);
else
- {
- if (i == 14) /* nybble = 15 */
- repeatcount = PackedNum(); /* recursive */
- else
- repeatcount = 1;
- return (PackedNum()); /* recursive */
- }
+ {
+ if (i == 14) /* nybble = 15 */
+ repeatcount = PackedNum (); /* recursive */
+ else
+ repeatcount = 1;
+ return (PackedNum ()); /* recursive */
+ }
}
/* PackedNum */
-/*****************************************************************************/
+/*--------------------------------------------------------------------*/
-#ifdef __STDC__
-boolean GetBitmap (int ht, int wd, int mapadr, int_or_mptr *bitmap)
-#else
-boolean GetBitmap (ht, wd, mapadr, bitmap)
- int ht; int wd; int mapadr; int_or_mptr * bitmap;
-#endif
+boolean
+GetBitmap (int ht, int wd, int mapadr, int_or_mptr * bitmap)
{
/* Allocate space for bitmap and fill it in using information from
- character definition starting at mapadr in currently open PK file.
- Note that the memory used by a loaded bitmap is never deallocated.
- Each bitmap row uses an integral number of words (each 32 bits).
- Byte-aligned rows would use about 35% less memory but
- would increase the processing time needed to display each bitmap.
- It was felt that speed is more important than memory.
- Return true if the bitmap is obtained, false if function fails.
- */
+ character definition starting at mapadr in currently open PK
+ file. Note that the memory used by a loaded bitmap is never
+ deallocated. Each bitmap row uses an integral number of words
+ (each 32 bits). Byte-aligned rows would use about 35% less
+ memory but would increase the processing time needed to display
+ each bitmap. It was felt that speed is more important than
+ memory. Return true if the bitmap is obtained, false if function
+ fails.
+ */
- extern int bitweight; /* local to "fontreader.c" */
+ extern int bitweight; /* local to "fontreader.c" */
int_or_bptr wordptr, rowptr;
- int i, j, flagbyte, wordwidth, wordweight, rowsleft, hbit, count,
- bitmapwords;
+ int i, j, flagbyte, wordwidth, wordweight, rowsleft, hbit, count, bitmapwords;
int word;
- Word * bitmapptr = (Word *) NULL;
+ Word *bitmapptr = (Word *) NULL;
- wordwidth = (wd + 31) / 32; /* words in one row of bitmap */
- bitmapwords = ht * wordwidth; /* memory required by bitmap */
+ wordwidth = (wd + 31) / 32; /* words in one row of bitmap */
+ bitmapwords = ht * wordwidth; /* memory required by bitmap */
- bitmapptr = (Word *) malloc (bitmapwords * sizeof(Word));
-/* bitmapptr = cnew (bitmapwords, Word);*/
+ bitmapptr = (Word *) calloc (bitmapwords, sizeof (Word));
if (bitmapptr == (Word *) NULL)
- {
- MesgString ("Character too big! size=");
- MesgInt (bitmapwords);
- MesgLine();
-
- OutMem();
-
- return false; /* Not Reached */
- }
-
- bitmap->UU.mptr = bitmapptr; /* return start of bitmap */
+ {
+ StartText ();
+ ResetVDU (); /* do before message since it might erase screen! */
+ FATAL1 ("Out of memory. Character too big! size = %d", bitmapwords);
+ return false; /* Not Reached */
+ }
+ bitmap->UU.mptr = bitmapptr; /* return start of bitmap */
wordptr.UU.int_ = bitmap->UU.int_;
- PToffset = mapadr; /* mapadr = flagbyte offset in PK file */
+ PToffset = mapadr; /* mapadr = flagbyte offset in PK file */
- flagbyte = GetPTByte(); /* assume < 240 */
- dynf = flagbyte / 16; /* dynamic packing variable */
- turnon = ((flagbyte & 15) >= 8); /* is 1st pixel black? */
- flagbyte &= 7; /* value of bottom 3 bits */
- if (flagbyte < 4) /* skip short char preamble */
+ flagbyte = GetPTByte (); /* assume < 240 */
+ dynf = flagbyte / 16; /* dynamic packing variable */
+ turnon = ((flagbyte & 15) >= 8); /* is 1st pixel black? */
+ flagbyte &= 7; /* value of bottom 3 bits */
+ if (flagbyte < 4) /* skip short char preamble */
PToffset += 10;
else if (flagbyte < 7)
PToffset += 16;
else
PToffset += 36;
- bitweight = 0; /* to get 1st inputbyte */
+ bitweight = 0; /* to get 1st inputbyte */
if (dynf == 14)
- {
- /* raster info is a string of bits in the next (wd * ht + 7) DIV 8 bytes */
-
- for (i = 1; i <= ht; i++)
{
- word = 0; /* set all bits to 0 */
- wordweight = 31; /* leftmost bit */
- for (j = 1; j <= wd; j++)
- {
- if (bitweight == 0)
- {
- inputbyte = GetPTByte();
- bitweight = 8;
- }
- bitweight--; /* 7..0 */
- if ((unsigned)bitweight < 32 && ((1 << bitweight) & inputbyte))
- /* set bit */
- word |= 1 << wordweight;
- if (wordweight > 0)
- wordweight--;
- else
- {
- *wordptr.UU.bptr = word;
- wordptr.UU.int_ += 4;
- word = 0;
- wordweight = 31;
- }
- }
- if (wordweight < 31)
- {
- *wordptr.UU.bptr = word;
- wordptr.UU.int_ += 4; /* start of next word */
- }
+ /* raster info is a string of bits in the next (wd * ht + 7) DIV 8 bytes */
+
+ for (i = 1; i <= ht; i++)
+ {
+ word = 0; /* set all bits to 0 */
+ wordweight = 31; /* leftmost bit */
+ for (j = 1; j <= wd; j++)
+ {
+ if (bitweight == 0)
+ {
+ inputbyte = GetPTByte ();
+ bitweight = 8;
+ }
+ bitweight--; /* 7..0 */
+ if ((unsigned) bitweight < 32 && ((1 << bitweight) & inputbyte))
+ /* set bit */
+ word |= 1 << wordweight;
+ if (wordweight > 0)
+ wordweight--;
+ else
+ {
+ *wordptr.UU.bptr = word;
+ wordptr.UU.int_ += 4;
+ word = 0;
+ wordweight = 31;
+ }
+ }
+ if (wordweight < 31)
+ {
+ *wordptr.UU.bptr = word;
+ wordptr.UU.int_ += 4; /* start of next word */
+ }
+ }
}
- }
else
- {
- /* raster info is encoded as run and repeat counts */
+ {
+ /* raster info is encoded as run and repeat counts */
- rowsleft = ht;
- hbit = wd;
- repeatcount = 0;
- wordweight = 32;
- word = 0;
- rowptr = wordptr; /* remember start of row */
- while (rowsleft > 0)
- {
- count = PackedNum();
- while (count > 0)
- {
- if (count < wordweight && count < hbit)
- {
- if (turnon)
- word = (word | gpower[wordweight]) & (~gpower[wordweight - count]);
- hbit -= count;
- wordweight -= count;
- count = 0;
- continue;
- }
- if (count >= hbit && hbit <= wordweight)
- {
- if (turnon)
- word = (word | gpower[wordweight]) & (~gpower[wordweight - hbit]);
- *wordptr.UU.bptr = word;
- /* end of current row, so duplicate repeatcount times */
- for (i = 1; i <= repeatcount; i++)
- {
- for (j = 1; j <= wordwidth; j++)
- {
- wordptr.UU.int_ += 4;
- *wordptr.UU.bptr = *rowptr.UU.bptr;
- rowptr.UU.int_ += 4;
- }
- }
- rowsleft += -repeatcount - 1;
- repeatcount = 0;
- word = 0;
- wordptr.UU.int_ += 4;
- rowptr = wordptr; /* remember start of next row */
- wordweight = 32;
- count -= hbit;
- hbit = wd;
- }
- else
- {
- if (turnon)
- word |= gpower[wordweight];
- *wordptr.UU.bptr = word;
- wordptr.UU.int_ += 4;
- word = 0;
- count -= wordweight;
- hbit -= wordweight;
- wordweight = 32;
- }
- }
- turnon = !turnon;
+ rowsleft = ht;
+ hbit = wd;
+ repeatcount = 0;
+ wordweight = 32;
+ word = 0;
+ rowptr = wordptr; /* remember start of row */
+ while (rowsleft > 0)
+ {
+ count = PackedNum ();
+ while (count > 0)
+ {
+ if (count < wordweight && count < hbit)
+ {
+ if (turnon)
+ word = (word | gpower[wordweight]) & (~gpower[wordweight - count]);
+ hbit -= count;
+ wordweight -= count;
+ count = 0;
+ continue;
+ }
+ if (count >= hbit && hbit <= wordweight)
+ {
+ if (turnon)
+ word = (word | gpower[wordweight]) & (~gpower[wordweight - hbit]);
+ *wordptr.UU.bptr = word;
+ /* end of current row, so duplicate repeatcount times */
+ for (i = 1; i <= repeatcount; i++)
+ {
+ for (j = 1; j <= wordwidth; j++)
+ {
+ wordptr.UU.int_ += 4;
+ *wordptr.UU.bptr = *rowptr.UU.bptr;
+ rowptr.UU.int_ += 4;
+ }
+ }
+ rowsleft += -repeatcount - 1;
+ repeatcount = 0;
+ word = 0;
+ wordptr.UU.int_ += 4;
+ rowptr = wordptr; /* remember start of next row */
+ wordweight = 32;
+ count -= hbit;
+ hbit = wd;
+ }
+ else
+ {
+ if (turnon)
+ word |= gpower[wordweight];
+ *wordptr.UU.bptr = word;
+ wordptr.UU.int_ += 4;
+ word = 0;
+ count -= wordweight;
+ hbit -= wordweight;
+ wordweight = 32;
+ }
+ }
+ turnon = !turnon;
+ }
}
- }
return true;
}
/* GetBitmap */
-/*****************************************************************************/
+/*--------------------------------------------------------------------*/
-#ifdef __STDC__
-Inline Static int FixToDVI (int scale, int b0, int b1, int b2, int b3)
-#else
-Inline Static int FixToDVI (scale, b0, b1, b2, b3)
- /* scale = currfont->scaledsize; */
- int scale;
- /* fix width: 4 bytes */
- int b0, b1, b2, b3;
-#endif
+static int
+FixToDVI (int scale, int b0, int b1, int b2, int b3)
+/* scale = currfont->scaledsize; */
+/* fix width: 4 bytes */
{
/* Convert the given fix width (made up of 4 bytes) into DVI units
using the method recommended in DVITYPE.
Added local scale to avoid changing scaledsize; thanks to Niel Kempson
for reporting this bug.
- */
+ */
int dviwidth = 0;
int alpha, beta, temp;
alpha = scale * 16;
beta = 16;
-
- while (scale >= 0x800000) /* 2^23sp = 128pt */
- {
- scale /= 2;
- beta /= 2;
- }
-
- if (beta == 0)
- {
- fprintf (logfile, "FixToDVI: beta = 0, so divide by zero imminent!\n");
- fflush (logfile);
- }
-
+ while (scale >= 0x800000)
+ { /* 2^23sp = 128pt */
+ scale /= 2;
+ beta /= 2;
+ }
temp = ((b3 * scale / 0x100 + b2 * scale) / 0x100 + b1 * scale) / beta;
if (b0 <= 0)
@@ -1375,195 +678,160 @@ Inline Static int FixToDVI (scale, b0, b
else if (b0 == 255)
dviwidth = (temp - alpha);
else
- {
- dviwidth = 0; /* keep compiler happy, if necessary */
-
- StartText();
- ResetVDU(); /* let message stay */
+ {
+ dviwidth = 0; /* keep compiler happy, if necessary */
- MesgString ("Bad TFM width! 1st byte=");
- MesgInt (b0);
- MesgLine();
+ StartText ();
+ ResetVDU (); /* let message stay */
- RestoreTerminal();
- exit (1);
- }
+ FATAL1 ("Bad TFM width! 1st byte = %d.", b0);
+ }
return dviwidth;
}
/* FixToDVI */
-/******************************************************************************/
+/*--------------------------------------------------------------------*/
#define pkid 89
#define pkpost 245
#define pknoop 246
#define pkpre 247
-#ifdef __STDC__
-Static Void PKFillPixelTable (fontinfo * currfont)
-#else
-Static Void PKFillPixelTable (currfont)
- fontinfo * currfont;
-#endif
+static void
+PKFillPixelTable (fontinfo * currfont)
{
/* Fill the pixeltable for currfont^ using the font directory info
in the currently open PK file.
- */
+ */
int i, j, flagbyte, flagpos;
- int chcode; /* char. code, assumed to be <= maxTeXchar */
- int packetlen, endofpacket, b0, b1, b2, b3; /* 4 bytes in TFM width */
+ int chcode; /* char. code, assumed to be <= maxTeXchar */
+ int packetlen, endofpacket, b0, b1, b2, b3; /* 4 bytes in TFM width */
_REC_pixeltable *pix_tab;
- PToffset = 0; /* move to first byte */
-
- if (GetPTByte() != pkpre)
- {
- StartText();
- ResetVDU(); /* let message stay */
-
- MesgString ("Bad PK pre command in `");
- MesgString (currfont->fontspec);
- MesgString ("'");
- MesgLine();
+ PToffset = 0; /* move to first byte */
- RestoreTerminal();
- exit (1);
- }
-
- if (GetPTByte() != pkid)
- {
- StartText();
- ResetVDU(); /* let message stay */
-
- MesgString ("Bad PK id byte in `");
- MesgString (currfont->fontspec);
- MesgString ("'");
- MesgLine();
+ if (GetPTByte () != pkpre)
+ {
+ StartText ();
+ ResetVDU (); /* let message stay */
- RestoreTerminal();
- exit (1);
- }
+ FATAL1 ("Bad PK pre command in `%s'.", currfont->fontspec);
+ }
+ if (GetPTByte () != pkid)
+ {
+ StartText ();
+ ResetVDU (); /* let message stay */
- j = GetPTByte(); /* length of comment */
- PToffset += j + 16; /* skip rest of preamble */
+ FATAL1 ("Bad PK id byte in `%s'.", currfont->fontspec);
+ }
+ j = GetPTByte (); /* length of comment */
+ PToffset += j + 16; /* skip rest of preamble */
for (i = 0; i <= maxTeXchar; i++)
- {
- pix_tab = &currfont->pixelptr[i];
- pix_tab->mapadr = 0; /* all chars absent initially */
- pix_tab->bitmap.UU.mptr = (Word *) NULL;
- }
+ {
+ pix_tab = &currfont->pixelptr[i];
+ pix_tab->mapadr = 0; /* all chars absent initially */
+ pix_tab->bitmap.UU.mptr = (Word *) NULL;
+ }
while (true)
- {
- flagpos = PToffset; /* remember position of flagbyte */
- flagbyte = GetPTByte();
- if (flagbyte < 240)
- { /* read character definition */
-
- int scale = currfont->scaledsize; /* For FixToDVI */
-
- flagbyte &= 7; /* value of bottom 3 bits */
- if (flagbyte < 4)
- { /* short char preamble */
- packetlen = flagbyte * 256 + GetPTByte();
- chcode = GetPTByte();
- endofpacket = packetlen + PToffset;
- pix_tab = &currfont->pixelptr[chcode];
- b1 = GetPTByte();
- b2 = GetPTByte();
- b3 = GetPTByte();
- pix_tab->dwidth = FixToDVI (scale, 0, b1, b2, b3); /* b0 = 0 */
- pix_tab->pwidth = GetPTByte();
- pix_tab->wd = GetPTByte();
- pix_tab->ht = GetPTByte();
- pix_tab->xo = SignedPTByte();
- pix_tab->yo = SignedPTByte();
- }
- else if (flagbyte < 7)
- {
- packetlen = (flagbyte - 4) * 65536 + GetTwoPTBytes();
- chcode = GetPTByte();
- endofpacket = packetlen + PToffset;
- pix_tab = &currfont->pixelptr[chcode];
- b1 = GetPTByte();
- b2 = GetPTByte();
- b3 = GetPTByte();
- pix_tab->dwidth = FixToDVI (scale, 0, b1, b2, b3); /* b0 = 0 */
- pix_tab->pwidth = GetTwoPTBytes();
- pix_tab->wd = GetTwoPTBytes();
- pix_tab->ht = GetTwoPTBytes();
- pix_tab->xo = SignedPTPair();
- pix_tab->yo = SignedPTPair();
- }
- else
- {
- packetlen = SignedPTQuad();
- chcode = SignedPTQuad();
- endofpacket = packetlen + PToffset;
- pix_tab = &currfont->pixelptr[chcode];
- b0 = GetPTByte();
- b1 = GetPTByte();
- b2 = GetPTByte();
- b3 = GetPTByte();
- pix_tab->dwidth = FixToDVI (scale, b0, b1, b2, b3);
- pix_tab->pwidth = SignedPTQuad() / 65536; /* dx in pixels */
- PToffset += 4; /* skip dy */
- pix_tab->wd = SignedPTQuad();
- pix_tab->ht = SignedPTQuad();
- pix_tab->xo = SignedPTQuad();
- pix_tab->yo = SignedPTQuad();
- }
- pix_tab = &currfont->pixelptr[chcode]; /* position of flagbyte */
- if (pix_tab->wd == 0 || pix_tab->ht == 0)
- pix_tab->mapadr = 0; /* no bitmap */
- else
- pix_tab->mapadr = flagpos;
- PToffset = endofpacket; /* skip raster info */
- continue;
- }
-
- switch (flagbyte)
- {
- case 240:
- case 241:
- case 242:
- case 243:
- i = 0;
- for (j = 240; j <= flagbyte; j++)
- i = i * 256 + GetPTByte();
- PToffset += i; /* skip special parameter */
- break;
-
- case 244: /* skip numspecial param */
- PToffset += 4;
- break;
-
- case pknoop: /* do nothing */
- break;
-
- case pkpost: /* no more char defs */
- goto _L888;
- break;
-
- default:
- StartText();
- ResetVDU(); /* let message stay */
-
- MesgString ("Bad PK flag byte in `");
- MesgString (currfont->fontspec);
- MesgString ("'");
- MesgLine();
+ {
+ flagpos = PToffset; /* remember position of flagbyte */
+ flagbyte = GetPTByte ();
+ if (flagbyte < 240)
+ { /* read character definition */
+
+ int scale = currfont->scaledsize; /* For FixToDVI */
+
+ flagbyte &= 7; /* value of bottom 3 bits */
+ if (flagbyte < 4)
+ { /* short char preamble */
+ packetlen = flagbyte * 256 + GetPTByte ();
+ chcode = GetPTByte ();
+ endofpacket = packetlen + PToffset;
+ pix_tab = &currfont->pixelptr[chcode];
+ b1 = GetPTByte ();
+ b2 = GetPTByte ();
+ b3 = GetPTByte ();
+ pix_tab->dwidth = FixToDVI (scale, 0, b1, b2, b3); /* b0 = 0 */
+ pix_tab->pwidth = GetPTByte ();
+ pix_tab->wd = GetPTByte ();
+ pix_tab->ht = GetPTByte ();
+ pix_tab->xo = SignedPTByte ();
+ pix_tab->yo = SignedPTByte ();
+ }
+ else if (flagbyte < 7)
+ {
+ packetlen = (flagbyte - 4) * 65536 + GetTwoPTBytes ();
+ chcode = GetPTByte ();
+ endofpacket = packetlen + PToffset;
+ pix_tab = &currfont->pixelptr[chcode];
+ b1 = GetPTByte ();
+ b2 = GetPTByte ();
+ b3 = GetPTByte ();
+ pix_tab->dwidth = FixToDVI (scale, 0, b1, b2, b3); /* b0 = 0 */
+ pix_tab->pwidth = GetTwoPTBytes ();
+ pix_tab->wd = GetTwoPTBytes ();
+ pix_tab->ht = GetTwoPTBytes ();
+ pix_tab->xo = SignedPTPair ();
+ pix_tab->yo = SignedPTPair ();
+ }
+ else
+ {
+ packetlen = SignedPTQuad ();
+ chcode = SignedPTQuad ();
+ endofpacket = packetlen + PToffset;
+ pix_tab = &currfont->pixelptr[chcode];
+ b0 = GetPTByte ();
+ b1 = GetPTByte ();
+ b2 = GetPTByte ();
+ b3 = GetPTByte ();
+ pix_tab->dwidth = FixToDVI (scale, b0, b1, b2, b3);
+ pix_tab->pwidth = SignedPTQuad () / 65536; /* dx in pixels */
+ PToffset += 4; /* skip dy */
+ pix_tab->wd = SignedPTQuad ();
+ pix_tab->ht = SignedPTQuad ();
+ pix_tab->xo = SignedPTQuad ();
+ pix_tab->yo = SignedPTQuad ();
+ }
+ pix_tab = &currfont->pixelptr[chcode]; /* position of flagbyte */
+ if (pix_tab->wd == 0 || pix_tab->ht == 0)
+ pix_tab->mapadr = 0; /* no bitmap */
+ else
+ pix_tab->mapadr = flagpos;
+ PToffset = endofpacket; /* skip raster info */
+ continue;
+ }
+ switch (flagbyte)
+ {
+ case 240:
+ case 241:
+ case 242:
+ case 243:
+ i = 0;
+ for (j = 240; j <= flagbyte; j++)
+ i = i * 256 + GetPTByte ();
+ PToffset += i; /* skip special parameter */
+ break;
+ case 244: /* skip numspecial param */
+ PToffset += 4;
+ break;
+ case pknoop: /* do nothing */
+ break;
+ case pkpost: /* no more char defs */
+ goto _L888;
+ break;
- RestoreTerminal();
- exit (1);
+ default:
+ StartText ();
+ ResetVDU (); /* let message stay */
- break;
- }
- } /* of LOOP; flagbyte = pkpost */
-_L888: ;
+ FATAL1 ("Bad PK flag byte in `%s'.", currfont->fontspec);
+ }
+ } /* of LOOP; flagbyte = pkpost */
+_L888:;
/* extended short char preamble */
/* long char preamble */
@@ -1575,537 +843,307 @@ _L888: ;
#undef pknoop
#undef pkpre
-/******************************************************************************/
+/*--------------------------------------------------------------------*/
-Static Void ReadTFMIntegers (VOID)
+static void
+ReadTFMIntegers ()
{
/* Read the first 6 (six) 16-bit integers in the TFM file. */
/* These give the dimensions of the arrays that constitute the rest */
/* of the TFM file. */
/* See TFtoPL section 8. */
- string out; /* output string for messages */
-
- PToffset = 0; /* start reading at 1st byte in TFM file */
-
- lf = GetTwoPTBytes(); /* length of TFM file, in words: 0 <= lf < 2^15. */
- lh = GetTwoPTBytes(); /* length of header, in words: 2 <= lh. */
- bc = GetTwoPTBytes(); /* smallest character code in font */
- ec = GetTwoPTBytes(); /* largest character code in font */
- nw = GetTwoPTBytes(); /* number of words in width table */
- nh = GetTwoPTBytes(); /* number of words in height table */
+ PToffset = 0; /* start reading at 1st byte in TFM file */
+ lf = GetTwoPTBytes (); /* length of TFM file, in words: 0 <= lf < 2^15. */
+ lh = GetTwoPTBytes (); /* length of header, in words: 2 <= lh. */
+ bc = GetTwoPTBytes (); /* smallest character code in font */
+ ec = GetTwoPTBytes (); /* largest character code in font */
+ nw = GetTwoPTBytes (); /* number of words in width table */
+ nh = GetTwoPTBytes (); /* number of words in height table */
/* sanity check of lf */
- if ( ! (0 <= lf && lf < 1<<15))
- {
- StartText();
- ResetVDU(); /* let message stay */
-
- sprintf (out, "TFM file length given as: lf = %d words.", lf);
- MesgString (out);
- MesgLine();
- sprintf (out, " Should have 0 <= lf < %d words.", 1<<15);
- MesgString (out);
- MesgLine();
-
- RestoreTerminal();
- exit (1);
- }
+ if (!(0 <= lf && lf < 1 << 15))
+ {
+ StartText ();
+ ResetVDU (); /* let message stay */
+ FATAL2 ("TFM file length given as: lf = %d words. Should have 0 <= lf < %d words.", lf, 1 << 15);
+ }
/* sanity check of lh */
- if (! (2 <= lh))
- {
- StartText();
- ResetVDU(); /* let message stay */
-
- sprintf (out, "TFM's Header length given as: lh = %d words.", lh);
- MesgString (out);
- MesgLine();
- MesgString (" Should have lh >= 2 (two) words.");
- MesgLine();
-
- RestoreTerminal();
- exit (1);
- }
+ if (!(2 <= lh))
+ {
+ StartText ();
+ ResetVDU (); /* let message stay */
+ FATAL1 ("TFM's Header length given as: lh = %d words. Should have lh >= 2 (two) words.", lh);
+ }
/* sanity check of bc and ec */
- if ( ! (0 <= bc && bc-1 <= ec && ec <= maxTeXchar))
- {
- StartText();
- ResetVDU(); /* let message stay */
-
- sprintf (out, "First & last char codes = (bc, ec) = (%d, %d).", bc, ec);
- MesgString (out);
- MesgLine();
- MesgString (" Should have 0 <= bc <= ec <= maxTeXchar = 255.");
- MesgLine();
-
- RestoreTerminal();
- exit (1);
- }
+ if (!(0 <= bc && bc - 1 <= ec && ec <= maxTeXchar))
+ {
+ StartText ();
+ ResetVDU (); /* let message stay */
+ FATAL2 ("First & last char codes = (bc, ec) = (%d, %d). Should have 0 <= bc <= ec <= maxTeXchar = 255.", bc, ec);
+ }
/* sanity check of nw */
- if ( ! (0 <= nw && nw < 1<<15))
- {
- StartText();
- ResetVDU(); /* let message stay */
-
- sprintf (out, "Number of Width Table words given as: nw = %d.", nw);
- MesgString (out);
- MesgLine();
- sprintf (out, " Should have 0 <= nw < %d words.", 1<<15);
- MesgString (out);
- MesgLine();
-
- RestoreTerminal();
- exit (1);
- }
+ if (!(0 <= nw && nw < 1 << 15))
+ {
+ StartText ();
+ ResetVDU (); /* let message stay */
+ FATAL2 ("Number of Width Table words given as: nw = %d. Should have 0 <= nw < %d words.", nw, 1 << 15);
+ }
/* sanity check of nh */
- if ( ! (0 <= nh && nh < 1<<15))
- {
- StartText();
- ResetVDU(); /* let message stay */
-
- sprintf (out, "Number of Height Table words given as: nh = %d", nh);
- MesgString (out);
- MesgLine();
- sprintf (out, " Should have 0 <= nh < %d.", 1<<15);
- MesgString (out);
- MesgLine();
-
- RestoreTerminal();
- exit (1);
- }
+ if (!(0 <= nh && nh < 1 << 15))
+ {
+ StartText ();
+ ResetVDU (); /* let message stay */
+ FATAL2 ("Number of Height Table words given as: nh = %d. Should have 0 <= nh < %d.", nh, 1 << 15);
+ }
}
/* ReadTFMIntegers */
-/******************************************************************************/
+/*--------------------------------------------------------------------*/
-Static Void ReadTFMCharInfo (VOID)
+static void
+ReadTFMCharInfo ()
{
/* Read the TFMinfo array. See TFtoPL section 11. */
int c, i;
_REC_TFMinfo *tfm_inf;
- PToffset = (6 + lh) * 4; /* offset of TFMinfo array (in bytes) */
- /* 6 words of dimension info, plus header */
+ PToffset = (6 + lh) * 4; /* offset of TFMinfo array (in bytes) */
+ /* 6 words of dimension info, plus header */
for (c = bc; c <= ec; c++)
- {
- tfm_inf = &TFMinfo[c];
- tfm_inf->wdindex = GetPTByte() * 4; /* offset from start of width array */
- i = GetPTByte(); /* 2nd byte contains htindex and dpindex */
- tfm_inf->htindex = i / 16 * 4; /* offset from start of height array */
- tfm_inf->dpindex = (i & 15) * 4; /* offset from start of depth array */
- PToffset += 2; /* skip itindex and remainder bytes */
- }
+ {
+ tfm_inf = &TFMinfo[c];
+ tfm_inf->wdindex = GetPTByte () * 4; /* offset from start of width array */
+ i = GetPTByte (); /* 2nd byte contains htindex and dpindex */
+ tfm_inf->htindex = i / 16 * 4; /* offset from start of height array */
+ tfm_inf->dpindex = (i & 15) * 4; /* offset from start of depth array */
+ PToffset += 2; /* skip itindex and remainder bytes */
+ }
}
/* ReadTFMCharInfo */
-/******************************************************************************/
+/*--------------------------------------------------------------------*/
-Static Void ReadTFMCharMetrics (VOID)
+static void
+ReadTFMCharMetrics ()
{
/* Read the charmetrics array using the indices in TFMinfo. */
- int wdbase = lh * 4 + (ec - bc + 1) * 4 + 24; /* offset of width array */
- int htbase = wdbase + nw * 4; /* offset of height array */
- int dpbase = htbase + nh * 4; /* offset of depth array */
+ int wdbase = lh * 4 + (ec - bc + 1) * 4 + 24; /* offset of width array */
+ int htbase = wdbase + nw * 4; /* offset of height array */
+ int dpbase = htbase + nh * 4; /* offset of depth array */
int c;
for (c = bc; c <= ec; c++)
- {
- _REC_TFMinfo * tfm_inf = &TFMinfo[c];
- _REC_charmetrics * char_met = &charmetrics[c];
- int b;
-
- PToffset = wdbase + tfm_inf->wdindex;
- for (b = 0; b <= 3; b++)
- char_met->width[b] = GetPTByte();
- PToffset = htbase + tfm_inf->htindex;
- for (b = 0; b <= 3; b++)
- char_met->height[b] = GetPTByte();
- PToffset = dpbase + tfm_inf->dpindex;
- for (b = 0; b <= 3; b++)
- char_met->depth[b] = GetPTByte();
- }
+ {
+ _REC_TFMinfo *tfm_inf = &TFMinfo[c];
+ _REC_charmetrics *char_met = &charmetrics[c];
+ int b;
+
+ PToffset = wdbase + tfm_inf->wdindex;
+ for (b = 0; b <= 3; b++)
+ char_met->width[b] = GetPTByte ();
+ PToffset = htbase + tfm_inf->htindex;
+ for (b = 0; b <= 3; b++)
+ char_met->height[b] = GetPTByte ();
+ PToffset = dpbase + tfm_inf->dpindex;
+ for (b = 0; b <= 3; b++)
+ char_met->depth[b] = GetPTByte ();
+ }
}
/* ReadTFMCharMetrics */
-/******************************************************************************/
+/*--------------------------------------------------------------------*/
-#ifdef __STDC__
-Static Void TFMFillPixelTable (fontinfo * currfont)
-#else
-Static Void TFMFillPixelTable (currfont)
- fontinfo * currfont;
-#endif
+static void
+TFMFillPixelTable (fontinfo * currfont)
{
/* Fill the pixeltable for * currfont
(a PostScript or other font for which the PK file is missing),
using information in the currently open TFM file.
- */
+ */
int c;
- ReadTFMIntegers(); /* read lf..nh */
- ReadTFMCharInfo(); /* fill TFMinfo array */
- ReadTFMCharMetrics(); /* fill charmetrics array */
+ ReadTFMIntegers (); /* read lf..nh */
+ ReadTFMCharInfo (); /* fill TFMinfo array */
+ ReadTFMCharMetrics (); /* fill charmetrics array */
- for (c = 0; c < bc; c++) /* chars < bc don't exist */
+ for (c = 0; c < bc; c++) /* chars < bc don't exist */
currfont->pixelptr[c].mapadr = 0;
- for (c = ec + 1; c <= maxTeXchar; c++) /* chars > ec don't exist */
+ for (c = ec + 1; c <= maxTeXchar; c++) /* chars > ec don't exist */
currfont->pixelptr[c].mapadr = 0;
for (c = bc; c <= ec; c++)
- {
- _REC_pixeltable * pix_tab = &currfont->pixelptr[c];
- _REC_charmetrics * char_met = &charmetrics[c];
- int scale = currfont->scaledsize; /* For FixToDVI */
- int dheight, pheight, ddepth, pdepth;
-
- pix_tab->dwidth = FixToDVI (scale,
- char_met->width[0], char_met->width[1],
- char_met->width[2], char_met->width[3]);
-
- dheight = FixToDVI (scale,
- char_met->height[0], char_met->height[1],
- char_met->height[2], char_met->height[3]);
-
- ddepth = FixToDVI (scale,
- char_met->depth[0], char_met->depth[1],
- char_met->depth[2], char_met->depth[3]);
-
- /* convert DVI units to pixels */
-
- pix_tab->pwidth = XPixelRound (pix_tab->dwidth);
- pheight = YPixelRound (dheight);
- pdepth = YPixelRound (ddepth);
-
- /* Since we don't have access to PK bitmap info,
- we will have to use the TFM width/height/depth info
- to approximate wd, ht, xo, yo.
- */
-
- pix_tab->wd = pix_tab->pwidth;
- pix_tab->wd -= pix_tab->wd / 8; /* better approximation */
- pix_tab->ht = pheight + pdepth;
- pix_tab->xo = 0;
- pix_tab->yo = pheight - 1;
- if (pix_tab->wd == 0 || pix_tab->ht == 0) /* anything but 0 */
- pix_tab->mapadr = 0; /* char blank or not in font */
- else
- pix_tab->mapadr = 1;
- pix_tab->bitmap.UU.mptr = (Word *) NULL;
- }
+ {
+ _REC_pixeltable *pix_tab = &currfont->pixelptr[c];
+ _REC_charmetrics *char_met = &charmetrics[c];
+ int scale = currfont->scaledsize; /* For FixToDVI */
+ int dheight, pheight, ddepth, pdepth;
+
+ pix_tab->dwidth = FixToDVI (scale,
+ char_met->width[0], char_met->width[1],
+ char_met->width[2], char_met->width[3]);
+
+ dheight = FixToDVI (scale,
+ char_met->height[0], char_met->height[1],
+ char_met->height[2], char_met->height[3]);
+
+ ddepth = FixToDVI (scale,
+ char_met->depth[0], char_met->depth[1],
+ char_met->depth[2], char_met->depth[3]);
+
+ /* convert DVI units to pixels */
+
+ pix_tab->pwidth = XPixelRound (pix_tab->dwidth);
+ pheight = YPixelRound (dheight);
+ pdepth = YPixelRound (ddepth);
+
+ /* Since we don't have access to PK bitmap info,
+ we will have to use the TFM width/height/depth info
+ to approximate wd, ht, xo, yo.
+ */
+
+ pix_tab->wd = pix_tab->pwidth;
+ pix_tab->wd -= pix_tab->wd / 8; /* better approximation */
+ pix_tab->ht = pheight + pdepth;
+ pix_tab->xo = 0;
+ pix_tab->yo = pheight - 1;
+ if (pix_tab->wd == 0 || pix_tab->ht == 0) /* anything but 0 */
+ pix_tab->mapadr = 0; /* char blank or not in font */
+ else
+ pix_tab->mapadr = 1;
+ pix_tab->bitmap.UU.mptr = (Word *) NULL;
+ }
}
/* TFMFillPixelTable */
-/******************************************************************************/
+/*--------------------------------------------------------------------*/
-/* number of characters in CM fonts */
-#define CMSIZE 128
-#ifndef OLD_CHARDIM
- /* Data taken from cmr10.pl = most common font (so usual dummy font) : */
- /* (width, height, depth, italic correction) of each cmr10 character */
- struct {double wd, ht, dp, ic;} cmr10[CMSIZE] =
- {
- {0.625002, 0.683332, 0, 0}, /* 00 */
- {0.833336, 0.683332, 0, 0}, /* 01 */
- {0.777781, 0.683332, 0, 0}, /* 02 */
- {0.694446, 0.683332, 0, 0}, /* 03 */
- {0.666669, 0.683332, 0, 0}, /* 04 */
- {0.750002, 0.683332, 0, 0}, /* 05 */
- {0.722224, 0.683332, 0, 0}, /* 06 */
- {0.777781, 0.683332, 0, 0}, /* 07 */
- {0.722224, 0.683332, 0, 0}, /* 08 */
- {0.777781, 0.683332, 0, 0}, /* 09 */
- {0.722224, 0.683332, 0, 0}, /* 0A */
- {0.583336, 0.694445, 0, 0.077779}, /* 0B */
- {0.555557, 0.694445, 0, 0}, /* 0C */
- {0.555557, 0.694445, 0, 0}, /* 0D */
- {0.833336, 0.694445, 0, 0}, /* 0E */
- {0.833336, 0.694445, 0, 0}, /* 0F */
- {0.277779, 0.430555, 0, 0}, /* 10 */
- {0.305557, 0.430555, 0.194445, 0}, /* 11 */
- {0.500002, 0.694445, 0, 0}, /* 12 */
- {0.500002, 0.694445, 0, 0}, /* 13 */
- {0.500002, 0.628473, 0, 0}, /* 14 */
- {0.500002, 0.694445, 0, 0}, /* 15 */
- {0.500002, 0.567777, 0, 0}, /* 16 */
- {0.750002, 0.694445, 0, 0}, /* 17 */
- {0.444446, 0, 0.170138, 0}, /* 18 */ /* sic : no height, only depth */
- {0.500003, 0.694445, 0, 0}, /* 19 */
- {0.722224, 0.430555, 0, 0}, /* 1A */
- {0.777781, 0.430555, 0, 0}, /* 1B */
- {0.500002, 0.527779, 0.097223, 0}, /* 1C */
- {0.902781, 0.683332, 0, 0}, /* 1D */
- {1.013891, 0.683332, 0, 0}, /* 1E */
- {0.777781, 0.731944, 0.048612, 0}, /* 1F */
- {0.277779, 0.430555, 0, 0}, /* 20 */
- {0.277779, 0.694445, 0, 0}, /* 21 */
- {0.500002, 0.694445, 0, 0}, /* 22 */
- {0.833336, 0.694445, 0.194443, 0}, /* 23 */
- {0.500002, 0.75, 0.055555, 0}, /* 24 */
- {0.833336, 0.75, 0.055555, 0}, /* 25 */
- {0.777781, 0.694445, 0, 0}, /* 26 */
- {0.277779, 0.694445, 0, 0}, /* 27 */
- {0.388889, 0.75, 0.25, 0}, /* 28 */
- {0.388889, 0.75, 0.25, 0}, /* 29 */
- {0.500002, 0.75, 0, 0}, /* 2A */
- {0.777781, 0.583334, 0.194443, 0}, /* 2B */
- {0.277779, 0.105556, 0.055555, 0}, /* 2C */
- {0.333334, 0.430555, 0, 0}, /* 2D */
- {0.277779, 0.105556, 0, 0}, /* 2E */
- {0.500002, 0.75, 0.25, 0}, /* 2F */
- {0.500002, 0.644444, 0, 0}, /* '0' */
- {0.500002, 0.644444, 0, 0}, /* '1' */
- {0.500002, 0.644444, 0, 0}, /* '2' */
- {0.500002, 0.644444, 0, 0}, /* '3' */
- {0.500002, 0.644444, 0, 0}, /* '4' */
- {0.500002, 0.644444, 0, 0}, /* '5' */
- {0.500002, 0.644444, 0, 0}, /* '6' */
- {0.500002, 0.644444, 0, 0}, /* '7' */
- {0.500002, 0.644444, 0, 0}, /* '8' */
- {0.500002, 0.644444, 0, 0}, /* '9' */
- {0.277779, 0.430555, 0, 0}, /* 3A */
- {0.277779, 0.430555, 0.194445, 0}, /* 3B */
- {0.277779, 0.5, 0.194445, 0}, /* 3C */
- {0.777781, 0.366875, -0.133125, 0}, /* 3D */
- {0.472224, 0.5, 0.194445, 0}, /* 3E */
- {0.472224, 0.694445, 0, 0}, /* 3F */
- {0.777781, 0.694445, 0, 0}, /* 40 */
- {0.750002, 0.683332, 0, 0}, /* 'A' */
- {0.708336, 0.683332, 0, 0}, /* 'B' */
- {0.722224, 0.683332, 0, 0}, /* 'C' */
- {0.763891, 0.683332, 0, 0}, /* 'D' */
- {0.680557, 0.683332, 0, 0}, /* 'E' */
- {0.652781, 0.683332, 0, 0}, /* 'F' */
- {0.784724, 0.683332, 0, 0}, /* 'G' */
- {0.750002, 0.683332, 0, 0}, /* 'H' */
- {0.361112, 0.683332, 0, 0}, /* 'I' */
- {0.51389, 0.683332, 0, 0}, /* 'J' */
- {0.777781, 0.683332, 0, 0}, /* 'K' */
- {0.625002, 0.683332, 0, 0}, /* 'L' */
- {0.916669, 0.683332, 0, 0}, /* 'M' */
- {0.750002, 0.683332, 0, 0}, /* 'N' */
- {0.777781, 0.683332, 0, 0}, /* 'O' */
- {0.680557, 0.683332, 0, 0}, /* 'P' */
- {0.777781, 0.683332, 0.194445, 0}, /* 'Q' */
- {0.736113, 0.683332, 0, 0}, /* 'R' */
- {0.555557, 0.683332, 0, 0}, /* 'S' */
- {0.722224, 0.683332, 0, 0}, /* 'T' */
- {0.750002, 0.683332, 0, 0}, /* 'U' */
- {0.750002, 0.683332, 0, 0.013888}, /* 'V' */
- {1.027781, 0.683332, 0, 0.013888}, /* 'W' */
- {0.750002, 0.683332, 0, 0}, /* 'X' */
- {0.750002, 0.683332, 0, 0.025}, /* 'Y' */
- {0.611113, 0.683332, 0, 0}, /* 'Z' */
- {0.277779, 0.75, 0.25, 0}, /* 5B */
- {0.500002, 0.694445, 0, 0}, /* 5C */
- {0.277779, 0.75, 0.25, 0}, /* 5D */
- {0.500002, 0.694445, 0, 0}, /* 5E */
- {0.277779, 0.667859, 0, 0}, /* 5F */
- {0.277779, 0.694445, 0, 0}, /* 60 */
- {0.500002, 0.430555, 0, 0}, /* 'a' */
- {0.555557, 0.694445, 0, 0}, /* 'b' */
- {0.444446, 0.430555, 0, 0}, /* 'c' */
- {0.555557, 0.694445, 0, 0}, /* 'd' */
- {0.444446, 0.430555, 0, 0}, /* 'e' */
- {0.305557, 0.694445, 0, 0.077779}, /* 'f' */
- {0.500002, 0.430555, 0.194445, 0}, /* 'g' */
- {0.555557, 0.694445, 0, 0}, /* 'h' */
- {0.277779, 0.667859, 0, 0}, /* 'i' */
- {0.305557, 0.667859, 0.194445, 0}, /* 'j' */
- {0.527781, 0.694445, 0, 0}, /* 'k' */
- {0.277779, 0.430555, 0, 0}, /* 'l' */
- {0.833336, 0.430555, 0, 0}, /* 'm' */
- {0.555557, 0.430555, 0, 0}, /* 'n' */
- {0.500002, 0.430555, 0, 0}, /* 'o' */
- {0.555557, 0.430555, 0.194445, 0}, /* 'p' */
- {0.527779, 0.430555, 0.194445, 0}, /* 'q' */
- {0.391668, 0.430555, 0, 0}, /* 'r' */
- {0.394445, 0.430555, 0, 0}, /* 's' */
- {0.38889, 0.61508, 0, 0}, /* 't' */
- {0.555557, 0.430555, 0, 0}, /* 'u' */
- {0.527781, 0.430555, 0, 0.013888}, /* 'v' */
- {0.722224, 0.430555, 0, 0.013888}, /* 'w' */
- {0.527781, 0.430555, 0, 0}, /* 'x' */
- {0.527781, 0.430555, 0.194445, 0.013888}, /* 'y' */
- {0.444446, 0.430555, 0, 0}, /* 'z' */
- {0.500002, 0.430555, 0, 0.027779}, /* 7B */
- {1.000003, 0.430555, 0, 0.027779}, /* 7C */
- {0.500002, 0.694445, 0, 0}, /* 7D */
- {0.500002, 0.667859, 0, 0}, /* 7E */
- {0.500002, 0.667859, 0, 0}, /* 7F */
- };
-#endif /* Not OLD_CHARDIM */
-
-
-#ifdef __STDC__
-Static Void AbsentFillPixelTable (fontinfo * currfont)
-#else
-Static Void AbsentFillPixelTable (currfont)
- fontinfo * currfont;
-#endif
+static void
+AbsentFillPixelTable (fontinfo * currfont)
{
- /* Fill the pixeltable for * currfont
- * (a PostScript or other font that is missing and cannot be replaced),
- * using information in the DVI file, since we have nothing else.
- *
- * Updated (Wed 9 June 1993) to use cmr10 info., as that is the most
- * common font in most present-day documents.
+ /* Fill the pixeltable for *currfont
+ * (a PostScript or other font that is missing and cannot be replaced),
+ * using information in the DVI file, since we have nothing else.
+ *
+ * Updated (Wed 9 June 1993) to use cmr10 info., as that is the most
+ * common font in most present-day documents.
*/
int c;
for (c = 0; c <= maxTeXchar; c++)
- {
- _REC_pixeltable * pix_tab = &currfont->pixelptr[c];
-
- /* scaled size of font in DVI units */
- int scale = currfont->scaledsize; /* For character size estimate */
- int dheight, ddepth; /* estimated height and depth, in DVI units */
- int pheight, pdepth; /* same, in pixels */
-
-#ifdef OLD_CHARDIM
- /* Let character be a square, scaledsize high and wide, zero depth. */
- /* For "example.tex", this width and height are not too bad. */
- pix_tab->dwidth = scale/2; /* wild, hazardous guess */
- dheight = scale;
- ddepth = 0;
-#else /* Not OLD_CHARDIM */
- if (c < CMSIZE) /* 0 <= c < CMSIZE */
- {
- pix_tab->dwidth = scale * cmr10[c].wd;
- dheight = scale * cmr10[c].ht;
- ddepth = scale * cmr10[c].dp;
- }
- else /* CMSIZE <= c <= maxTeXchar */
{
- pix_tab->dwidth = 0;
- dheight = 0;
+ _REC_pixeltable *pix_tab = &currfont->pixelptr[c];
+
+ /* scaled size of font in DVI units */
+ int scale = currfont->scaledsize; /* For character size estimate */
+ int dheight, ddepth; /* estimated height and depth, in DVI units */
+ int pheight, pdepth; /* same, in pixels */
+
+ /* Let character be a square, scaledsize high and wide, zero depth. */
+ /* For "example.tex", this width and height are not too bad. */
+ pix_tab->dwidth = scale / 2; /* wild, hazardous guess */
+ dheight = scale;
ddepth = 0;
- }
-#endif /* OLD_CHARDIM */
- /* convert DVI units to pixels */
+ /* convert DVI units to pixels */
+ pix_tab->pwidth = XPixelRound (pix_tab->dwidth);
+ pheight = YPixelRound (dheight);
+ pdepth = YPixelRound (ddepth);
+
+ /* Since we don't have access to PK bitmap or to TFM metric info,
+ we will have to use the guessed (DVI) width/height/depth info
+ to approximate wd, ht, xo, yo.
+ */
- pix_tab->pwidth = XPixelRound (pix_tab->dwidth);
- pheight = YPixelRound (dheight);
- pdepth = YPixelRound (ddepth);
-
- /* Since we don't have access to PK bitmap or to TFM metric info,
- we will have to use the guessed (DVI) width/height/depth info
- to approximate wd, ht, xo, yo.
- */
-
- pix_tab->wd = pix_tab->pwidth;
- pix_tab->wd -= pix_tab->wd / 8; /* better approximation */
- pix_tab->ht = pheight + pdepth;
- pix_tab->xo = 0;
- pix_tab->yo = pheight - 1;
- if (pix_tab->wd == 0 || pix_tab->ht == 0) /* anything but 0 */
- pix_tab->mapadr = 0; /* char blank or not in font */
- else
- pix_tab->mapadr = 1;
- pix_tab->bitmap.UU.mptr = (Word *) NULL;
- }
+ pix_tab->wd = pix_tab->pwidth;
+ pix_tab->wd -= pix_tab->wd / 8; /* better approximation */
+ pix_tab->ht = pheight + pdepth;
+ pix_tab->xo = 0;
+ pix_tab->yo = pheight - 1;
+ if (pix_tab->wd == 0 || pix_tab->ht == 0) /* anything but 0 */
+ pix_tab->mapadr = 0; /* char blank or not in font */
+ else
+ pix_tab->mapadr = 1;
+ pix_tab->bitmap.UU.mptr = (Word *) NULL;
+ }
}
/* AbsentFillPixelTable */
-#undef CMSIZE
-
-/******************************************************************************/
+/*--------------------------------------------------------------------*/
-#ifdef __STDC__
-Void PixelTableRoutine (fontinfo * currfont)
-#else
-Void PixelTableRoutine (currfont)
- fontinfo * currfont;
-#endif
+void
+PixelTableRoutine (fontinfo * currfont)
{
- /* DVIReader has just allocated a new pixeltable for currfont^, and
+ /* DVIReader has just allocated a new pixeltable for currfont, and
calls this routine from InterpretPage only ONCE per font
(the first time the font is used).
If this is the first time we've seen the font,
then we build fontspec first.
(Note that ShowStatistics, in the main program, may call BuildFontSpec
- first.)
+ first.)
If we can't open the font file, we return dummy_pk or dummy_tfm values,
but using the current font's scaledsize.
- */
-
-#ifdef CURRFONT_TRACE
- fprintf (logfile, "PixelTableRoutine\n");
- fprintf (logfile, "currfont = %p\n", currfont);
- fprintf (logfile, "currfont->fontname = `%s'\n", currfont->fontname);
- fprintf (logfile, "currfont->fontspec = `%s'\n", currfont->fontspec);
- fprintf (logfile, "currfont->fontspeclen = %d\n", currfont->fontspeclen);
- fflush (logfile);
-#endif /* CURRFONT_TRACE */
+ */
if (!CheckFontPtr (currfont))
return;
/* Try to find and fopen (& fclose) PK file; if that fails, try TFM file. */
if (currfont->fontspeclen == 0)
- (Void) BuildFontSpec (currfont);
+ BuildFontSpec (currfont);
if (currfont->fontexists && !OpenFontFile (currfont->fontspec))
- {
- string mesg;
-
- StartText();
- ResetVDU(); /* let message stay */
-
- sprintf (mesg, "fopen-ed but couldn't open file `%s' for font `%s'",
- currfont->fontspec, currfont->fontname);
- MesgString (mesg);
- MesgLine();
- fprintf (logfile, "That shouldn't happen.\n");
- fflush (logfile);
-
- RestoreTerminal();
- exit (1);
- }
+ {
+ StartText ();
+ ResetVDU (); /* let message stay */
+ FATAL2 ("fopen-ed but couldn't open file `%s' for font `%s'",
+ currfont->fontspec, currfont->fontname);
+ }
/* gt - is this right when a dummy font is used? */
if (currfont->fontexists)
- {
- if (currfont->pkfont)
- PKFillPixelTable (currfont);
- else
- TFMFillPixelTable (currfont);
+ {
+ if (currfont->pkfont)
+ PKFillPixelTable (currfont);
+ else
+ TFMFillPixelTable (currfont);
- CloseFontFile();
- }
+ CloseFontFile ();
+ }
else
- {
- AbsentFillPixelTable (currfont);
- }
+ {
+ AbsentFillPixelTable (currfont);
+ }
}
/* PixelTableRoutine */
-/******************************************************************************/
+/*--------------------------------------------------------------------*/
-Void InitFontReader (VOID)
+void
+InitFontReader ()
{
/* This routine initializes some global variables. */
int i;
gpower[0] = 0;
- for (i = 1; i <= 32; i++) /* used in GetBitmap */
+ for (i = 1; i <= 32; i++) /* used in GetBitmap */
gpower[i] = gpower[i - 1] | (1 << (i - 1));
}
/* InitFontReader */
-/******************************************************************************/
+/*--------------------------------------------------------------------*/
/* end fontreader.c */
--- src/fontreader.h
+++ src/fontreader.h 2005-10-21 15:05:34.000000000 +0200
@@ -10,7 +10,7 @@
extern Void InitFontReader (VOID);
extern Void PixelTableRoutine __((fontinfo * currfont));
extern boolean GetBitmap __((int ht, int wd, int mapadr, int_or_mptr *bitmap));
-extern boolean BuildFileSpec __((const char * areas, const char * name, string spec));
+extern boolean BuildFileSpec __((const char * areas, const char * name, String spec));
extern boolean BuildFontSpec __((fontinfo *fontptr));
extern boolean OpenFontFile __((Char *name));
extern Void CloseFontFile (VOID);
--- src/globals.h
+++ src/globals.h 2005-10-21 15:05:34.000000000 +0200
@@ -22,9 +22,9 @@
- See AAAREAD.ME for revision history.
- Debugging code is bracketed by { DEBUG } ... { GUBED }.
This code will be commented out in the final working version.
- - System-dependent code is indicated by the string "SYSDEP".
- - Uncertain code is indicated by the string "???".
- - Unfinished code is indicated by the string "!!!".
+ - System-dependent code is indicated by the String "SYSDEP".
+ - Uncertain code is indicated by the String "???".
+ - Unfinished code is indicated by the String "!!!".
- Goto 999 is used to emulate a RETURN (from procedure) statement.
- Goto <= 888 is used to emulate an EXIT (from loop) statement.
- The above notes are also true for all separately compiled modules.
@@ -40,7 +40,7 @@ extern FILE * logfile;
#define maxstring 80
-typedef Char string[maxstring + 1]; /* Allow space for null terminator */
+typedef Char String[maxstring + 1]; /* Allow space for null terminator */
/* pointer to 32-bit word */
--- src/help.h
+++ src/help.h 2005-10-21 15:05:34.000000000 +0200
@@ -10,7 +10,7 @@
#define NULL (char *) 0;
#endif
-char * immed_help_strings[] =
+static Char * immed_help_strings[] =
{
dvgt_version,
"dvgt interactively views TeX-generated DVI files on some common VDUs.",
@@ -19,9 +19,8 @@ dvgt_version,
"USAGE:",
" dvgt filename[.dvi]",
" [-H x_offset] [-V y_offset] [-d dummy_pk] [-e dummy_tfm]",
-" [-f pk_directory] [-h helpfile] [-i] [-l]",
-" [-m magnification] [-p ps_prefix] [-r xres[,yres]]",
-" [-t tfm_directory] [-v vdu] [-x paperwd] [-y paperht]",
+" [-l] [-m magnification] [-r xres[,yres]], [-v vdu]",
+" [-x paperwidth] [-y paperheight]",
"",
"-H horizontal_offset (default = 0.0 in)",
"-V vertical_offset (default = 0.0 in)",
@@ -29,15 +28,14 @@ dvgt_version,
"-m magnification (default= DVI file's intrinsic magnification)",
"-v vdu (default value = value of TERM) where vdu may be one of:",
"",
-" aed512 gigi kermit ncsatel regis tek4010 vis240 vis241 vis500 vis550",
+" aed512 gigi kermit linux ncsatel regis tek4010 vis240 vis241 vis500 vis550",
" vis603 vis630 vk100 vt100 vt100132 vt102 vt125 vt200 vt220 vt240 vt640",
"",
"The other parameters' default values are system dependent.",
-"Try `dvgt -f', for example, to find the current default PK font directory.",
NULL
};
-char * cmd_help_strings[] =
+static Char * cmd_help_strings[] =
{
"MISCELLANEOUS CHANGING PAGE DISPLAY (TOGGLES)",
"? Display this command help info T Terse - fast but inaccurate",
--- src/linuxvdu.c
+++ src/linuxvdu.c 2005-10-21 15:05:34.000000000 +0200
@@ -362,6 +362,9 @@ Void LINUXResetVDU (VOID)
/*****************************************************************************/
+extern uid_t saveuid;
+extern gid_t savegid;
+
Void InitLINUX (VOID)
{
int vgamode, i;
@@ -373,12 +376,15 @@ Void InitLINUX (VOID)
restore_init_tty();
/* Get SVGA mode */
- setreuid(geteuid(),getuid()); /* Temporarily give up privs */
- setregid(getegid(),getgid());
+ seteuid(saveuid);
+ setegid(savegid);
vga_init();
vgamode = vga_getdefaultmode();
+ setuid(getuid());
+ setgid(getgid());
+
#ifndef NOGL
if (vga_hasmode(vgamode)) {
modeinfo = vga_getmodeinfo(vgamode);
@@ -422,7 +428,7 @@ Void InitLINUX (VOID)
gl_disableclipping();
/* Set up font */
- font = malloc(256 * 8 * FONT_LINES * BYTESPERPIXEL);
+ font = Malloc(256 * 8 * FONT_LINES * BYTESPERPIXEL);
gl_expandfont(8, FONT_LINES, FORE_COLOR, font_bits, font);
gl_setfont(8, FONT_LINES, font);
#endif /* NOGL */
--- src/options.c
+++ src/options.c 2005-10-21 15:12:52.000000000 +0200
@@ -12,6 +12,9 @@
#include "options.h"
#include "defaults.h"
+#include <kpathsea/c-ctype.h>
+#include <kpathsea/proginit.h>
+#include <kpathsea/tex-file.h>
/* Variables Exported, via "options.h" */
@@ -25,14 +28,13 @@ int mag;
int hoffset, voffset;
int paperwd, paperht;
-string dummy_pk, dummy_tfm;
-string pkdir, tfmdir;
-string psprefix;
-string cmd_help, immed_help;
-string vdu;
+String dummy_pk, dummy_tfm;
+String pkdir, tfmdir;
+String vdu;
+boolean xterm = false;
/* DVI file's name */
-string DVIname;
+String DVIname;
typedef struct
@@ -60,10 +62,10 @@ size_t ldans = sizeof (dans) / sizeof (D
Static int Inint __((double f));
-Static string clarg; /* current command line argument */
+Static String clarg; /* current command line argument */
Static int clen; /* command line argument's length */
Static char option; /* current command option */
-Static string value; /* current option's value */
+Static String value; /* current option's value */
Static int vlength; /* current value's length */
Static int argnum; /* 0..argc-1; used in argv calls */
@@ -78,15 +80,15 @@ Static int argnum; /* 0..argc-1; used
/* This ASSUMES that s has memory >= n+1 characters. */
#ifdef __STDC__
-char * strMcpy (char * s, const char * ct, size_t n)
+Char * strMcpy (Char * s, const Char * ct, size_t n)
#else
-char * strMcpy (s, ct, n)
- char * s;
- char * ct;
+Char * strMcpy (s, ct, n)
+ Char * s;
+ Char * ct;
size_t n;
#endif
{
- strncpy (s, ct, n);
+ strncpy ((char*)s, (const char*)ct, n);
s[n] = '\0';
return s;
}
@@ -98,16 +100,16 @@ char * strMcpy (s, ct, n)
/* set s[maxstring] = NUL character. */
#ifdef __STDC__
-char * stringcopy (string s, const char * ct)
+Char * stringcopy (Char * s, const Char * ct)
#else
-char * stringcopy (s, ct)
- string s;
- char * ct;
+Char * stringcopy (s, ct)
+ Char * s;
+ Char * ct;
#endif
{
- strncpy (s, ct, maxstring);
+ strncpy ((char*)s, (const char*)ct, maxstring);
s[maxstring] = '\0';
- return (char *) &s;
+ return s;
}
/* stringcopy */
@@ -406,7 +408,7 @@ Static Void ToDimen (option, value, r, u
*/
int check;
- string nun; /* name of unit - ample space in a string for it */
+ String nun; /* name of unit - ample space in a string for it */
int vlen;
char * sval;
@@ -574,9 +576,9 @@ Void WriteCardinal (name, value)
int value;
#endif
{
- string outstring;
+ String outstring;
- sprintf (outstring, "%s= %d", name, value);
+ snprintf (outstring, maxstring, "%s= %d", name, value);
MesgString (outstring);
MesgLine();
}
@@ -585,16 +587,16 @@ Void WriteCardinal (name, value)
/******************************************************************************/
#ifdef __STDC__
-Void WriteReal (char * name, double value)
+Void WriteReal (Char * name, double value)
#else
Void WriteReal (name, value)
- char * name;
+ Char * name;
double value;
#endif
{
- string outstring;
+ String outstring;
- sprintf (outstring, "%s= %f", name, value);
+ snprintf (outstring, maxstring, "%s= %f", name, value);
MesgString (outstring);
MesgLine();
}
@@ -607,11 +609,11 @@ Void WriteReal (name, value)
/* That is, data-driven may be more flexible. */
#ifdef __STDC__
-Void NameUnit (units un, string nun)
+Void NameUnit (units un, String nun)
#else
Void NameUnit (un, nun)
units un;
- string nun;
+ String nun;
#endif
/* Interface: un (I), *nun (O). */
{
@@ -643,11 +645,11 @@ Void WriteDimen (varname, r, un)
units un;
#endif
{
- string outstring, nun;
+ String outstring, nun;
NameUnit (un, nun);
/* !! gt - this line is unsafe, as outstring may overflow! */
- sprintf (outstring, "%s= %f %s", varname, r, nun);
+ snprintf (outstring, maxstring, "%s= %f %s", varname, r, nun);
MesgString (outstring);
MesgLine();
}
@@ -663,9 +665,9 @@ Void WriteName (varname, svalue)
char * svalue;
#endif
{
- string outstring;
+ String outstring;
- sprintf (outstring, "%s= %s", varname, svalue);
+ snprintf (outstring, maxstring, "%s= %s", varname, svalue);
MesgString (outstring);
MesgLine();
}
@@ -690,8 +692,8 @@ double Unit2Value (unit)
per_inch = dans[j].per_inch;
else
{
- string ustr;
- sprintf (ustr, "%d", unit);
+ String ustr;
+ snprintf (ustr, maxstring, "%d", unit);
MesgString ("Bad unit, enumeration value = ");
MesgString (ustr);
MesgLine();
@@ -761,8 +763,13 @@ Void InitOptions (VOID)
/* Display type: default is SYSDEP; see the dv script */
/* gt - no "dv" script provided with version 3.0, sadly for us! */
- if (!(env = getenv ("DV_TERM")))
+ if (!(env = getenv ("DV_TERM"))) {
env = getenv ("TERM");
+ if (strcmp (env, "xterm") == 0 && getenv("WINDOWID")) {
+ xterm = true;
+ env = "tek4010";
+ }
+ }
stringcopy (vdu,
!env ? "" : env);
@@ -775,19 +782,6 @@ Void InitOptions (VOID)
ToPosDimen ("", !(env = getenv ("DV_PAPERHT")) ? DEF_PAPERHT : env,
&yr, &yu);
- /* location of PK files */
-
- if (!(env = getenv ("TEXPKS")) && !(env = getenv ("PKFONTS")))
- env = getenv ("TEXFONTS");
-
- stringcopy (pkdir,
- !env ? DEF_PK_DIR : env);
-
- /* location of TFM files */
-
- stringcopy (tfmdir,
- ! (env = getenv ("TEXFONTS")) ? DEF_TFM_DIR : env);
-
/* fall-back PK font */
stringcopy (dummy_pk,
@@ -798,21 +792,8 @@ Void InitOptions (VOID)
stringcopy (dummy_tfm,
! (env = getenv ("DV_DUMMY_TFM")) ? DEF_DUMMY_TFM : env);
- /* prefix in PS font names */
-
- stringcopy (psprefix,
- ! (env = getenv("DV_PS_PREFIX")) ? DEF_PS_PREFIX : env);
-
/* command help file read by ? command */
- stringcopy (cmd_help,
- ! (env = getenv ("DV_CMD_HELP")) ? DEF_CMD_HELP : env);
-
- /* immediate help file read when dvgt has no arguments */
-
- stringcopy (immed_help,
- ! (env = getenv ("DV_IMMED_HELP")) ? DEF_IMMED_HELP : env);
-
/* DVI file name */
stringcopy (DVIname, ""); /* no DVI file yet */
@@ -845,7 +826,7 @@ Void InitOptions (VOID)
{
MesgString ("Valid options are:");
MesgLine();
- MesgString (" H V d e f h i l m p r t v x y");
+ MesgString (" H V d e l m r v x y");
MesgLine();
}
RestoreTerminal();
@@ -899,36 +880,6 @@ Void InitOptions (VOID)
}
break;
- case 'f':
- GetValue();
- if (vlength > 0)
- stringcopy (pkdir, value);
- else
- {
- WriteName ("pk font directory", pkdir);
- MesgString ("environment variable = TEXPKS or PKFONTS or TEXFONTS");
- MesgLine();
- }
- break;
-
- case 'h':
- GetValue();
- if (vlength > 0)
- stringcopy (cmd_help, value);
- else
- {
- WriteName ("command help file", cmd_help);
- MesgString ("environment variable = DV_CMD_HELP");
- MesgLine();
- }
- break;
-
- case 'i':
- WriteName ("immediate help file", immed_help);
- MesgString ("environment variable = DV_IMMED_HELP");
- MesgLine();
- break;
-
case 'l':
landscape = true;
MesgString ("In landscape orientation now. (Default is portrait.)");
@@ -943,18 +894,6 @@ Void InitOptions (VOID)
WriteCardinal ("magnification", mag);
break;
- case 'p':
- GetValue();
- if (vlength > 0)
- stringcopy (psprefix, value);
- else
- {
- WriteName ("postscript font prefix", psprefix);
- MesgString ("environment variable = DV_PS_PREFIX");
- MesgLine();
- }
- break;
-
case 'r':
GetValue();
/* gt - resolutions should allow non-integral dpi */
@@ -974,22 +913,13 @@ Void InitOptions (VOID)
}
break;
- case 't':
- GetValue();
- if (vlength > 0)
- stringcopy (tfmdir, value);
- else
- {
- WriteName ("tfm directory", tfmdir);
- MesgString ("environment variable = TEXFONTS");
- MesgLine();
- }
- break;
-
case 'v':
GetValue();
- if (vlength > 0)
+ if (vlength > 0) {
stringcopy (vdu, value);
+ if (strcmp (vdu, "tek4010"))
+ xterm = false;
+ }
else
{
WriteName ("vdu", vdu);
@@ -1030,7 +960,7 @@ Void InitOptions (VOID)
MesgString ("Valid options are:");
MesgLine();
- MesgString (" H V d e f h i l m p r t v x y");
+ MesgString (" H V d e l m r v x y");
MesgLine();
RestoreTerminal();
@@ -1069,7 +999,7 @@ Void InitOptions (VOID)
} /* while */
#ifdef CHECK_ON_DVIname
- if (DVIname == (char *) NULL || strlen (DVIname) == 0 || DVIname[0] == ' ')
+ if (DVIname == (Char *) NULL || strlen (DVIname) == 0 || DVIname[0] == ' ')
{
/* no file name on command line */
@@ -1095,6 +1025,19 @@ Void InitOptions (VOID)
paperwd = paperht;
paperht = temp;
}
+
+ if (strcmp(dummy_pk, DEF_DUMMY_PK))
+ {
+ char * end = strchr(dummy_pk, '.');
+ if (end)
+ *end = '\0';
+ kpse_init_prog ("DVItoVDU", (unsigned int)DEF_XRES, (const_string)DEF_MFMODE, dummy_pk);
+ }
+ else
+ {
+ kpse_init_prog ("DVItoVDU", (unsigned int)DEF_XRES, (const_string)DEF_MFMODE, (const_string)DEF_DUMMY);
+ }
+ kpse_set_program_enabled (kpse_pk_format, true, kpse_src_compile);
}
/* InitOptions */
--- src/options.h
+++ src/options.h 2005-10-21 15:09:33.000000000 +0200
@@ -26,22 +26,21 @@ Extern int hoffset; /* horizontal
Extern int voffset; /* vertical margin shift in pixels */
Extern int paperwd; /* paper width in pixels */
Extern int paperht; /* paper height in pixels */
-Extern string vdu; /* type of terminal */
-Extern string tfmdir; /* location of TFM files */
-Extern string pkdir; /* location of PK files */
-Extern string dummy_tfm; /* dummy TFM file */
-Extern string dummy_pk; /* dummy PK file */
-Extern string psprefix; /* Prefix for PS & pure TFM fonts */
-Extern string immed_help; /* immediate help file name */
-Extern string cmd_help; /* command help file name */
-Extern string DVIname; /* DVI file name */
+Extern String vdu; /* type of terminal */
+Extern String tfmdir; /* location of TFM files */
+Extern String pkdir; /* location of PK files */
+Extern String dummy_tfm; /* dummy TFM file */
+Extern String dummy_pk; /* dummy PK file */
+Extern String psprefix; /* Prefix for PS & pure TFM fonts */
+Extern String immed_help; /* immediate help file name */
+Extern String DVIname; /* DVI file name */
extern Void InitOptions (VOID);
extern int Len __((Char *str));
-extern Char * stringcopy __((string s, const Char * ct));
+extern Char * stringcopy __((Char * s, const Char * ct));
extern Char * strMcpy __((Char * s, const Char * ct, size_t maxlen));
extern Void WriteReal __((Char * name, double value));
--- src/screenio.c
+++ src/screenio.c 2005-10-21 15:05:34.000000000 +0200
@@ -53,9 +53,11 @@ int MesgChar (ch)
++ textcolumn;
}
#ifdef COLUMN_LOG
- fflush (logfile);
- fprintf (logfile, "%% MesgChar: textcolumn = %d\n", textcolumn);
- fflush (logfile);
+ if (logfile) {
+ fflush (logfile);
+ fprintf (logfile, "%% MesgChar: textcolumn = %d\n", textcolumn);
+ fflush (logfile);
+ }
#endif
return status;
}
@@ -71,7 +73,7 @@ int MesgString (s)
#endif
{
int i, status = 0;
- string message;
+ String message;
/* maxcol <= both size of a string, and width of a line */
int maxcol = (maxstring < textlinewidth ? maxstring : textlinewidth);
@@ -103,9 +105,11 @@ int MesgString (s)
textcolumn += strlen (message);
#ifdef COLUMN_LOG
- fflush (logfile);
- fprintf (logfile, "%% MesgString: textcolumn = %d\n", textcolumn);
- fflush (logfile);
+ if (logfile) {
+ fflush (logfile);
+ fprintf (logfile, "%% MesgString: textcolumn = %d\n", textcolumn);
+ fflush (logfile);
+ }
#endif
return status;
}
@@ -388,7 +392,7 @@ Void ReadString (s)
Char * s;
#endif
{
- /* Read a string of characters.
+ /* Read a String of characters.
The routine is terminated upon carriage return.
*/
@@ -564,8 +568,16 @@ Static Void InitTeXtoASCII (VOID)
TeXtoASCII[i] = '-';
for (i = 0x7d; i <= 0x7f; i++) /* more accents */
TeXtoASCII[i] = '~';
+#if 0
for (i = 0x80; i <= 0xff; i++) /* non-ASCII, but 8-bit: 128 to 255 */
TeXtoASCII[i] = '?';
+#else
+ for (i = 0x80; i <= 0x9f; i++) /* non-ASCII, but 8-bit: 128 to 239 */
+ TeXtoASCII[i] = '?';
+ /* These codes are remapped in dvireader.c */
+ for (i = 0xa0; i <= 0xff; i++) /* Mostly ISO Latin 8859-1/8859-2 8bit ??? */
+ TeXtoASCII[i] = i;
+#endif
}
/* InitTeXtoASCII */
--- src/screenio.h
+++ src/screenio.h 2005-10-21 15:05:34.000000000 +0200
@@ -17,7 +17,7 @@
- WriteFlush or WriteLine must be called to explicitly update the terminal
(e.g., just before a read) or to synchronize output with writes
from other modules that don't use ScreenIO.
- - WriteString assumes the end of a string is the first blank (if not full),
+ - WriteString assumes the end of a String is the first blank (if not full),
so clients need to replace calls like WriteString('xxx = ') with
WriteString('xxx ='); WriteChar(' ').
*/
--- src/tek4010emu.c
+++ src/tek4010emu.c 2005-10-21 15:05:34.000000000 +0200
@@ -22,7 +22,6 @@
int maxy, lineht, dragdown;
boolean havesentxy;
-
Static int oldhiy; /* for remembering old address in SendXY */
Static int oldhix, oldloy, charwidth;
/* set by TEK4010LoadFont and used in TEK4010ShowChar */
@@ -421,13 +420,13 @@ int screenh; int screenv; Char ch;
/* only simulate rest of ligature if room at right edge */
if (screenh + charwidth * 3 <= 1023)
{
- string outstr; /* ample size */
+ String outstr; /* ample size */
Graphic();
SendXY (screenh + charwidth * 2, maxy - screenv);
Alpha();
- sprintf (outstr, "%.2x", ch);
+ snprintf (outstr, maxstring, "%.2x", ch);
WriteChar (outstr[0]);
WriteChar (outstr[1]);
}
--- src/unixio.c
+++ src/unixio.c 2005-10-21 15:05:34.000000000 +0200
@@ -114,7 +114,7 @@ static Void reportio (iostat)
if (iostat < 0) /* an ioctl error */
{
char * str = "";
- string cstr;
+ String cstr;
switch (errno)
{
/* generic errors */
@@ -154,7 +154,7 @@ static Void reportio (iostat)
#endif
/* gt - should be ample space in cstr. */
default:
- sprintf (cstr, "Unknown error %d !", errno);
+ snprintf (cstr, maxstring, "Unknown error %d !", errno);
str = cstr;
break;
}
--- src/vdu.c
+++ src/vdu.c 2005-10-21 15:05:34.000000000 +0200
@@ -11,9 +11,9 @@
extern Void InitNCSATEL(), InitVT100(), InitVT100132(), InitAED512(),
InitVT640(), InitVIS500(), InitVIS550(), InitVIS630(), InitVIS603(),
- InitREGIS(), InitVIS240(), InitVT220();
+ InitREGIS(), InitVIS240(), InitVT220(), InitGeneric();
-#ifdef __linux__
+#if defined(__linux__) && defined(VGA)
extern Void InitLINUX();
#endif
@@ -68,7 +68,7 @@ struct vdu_block InitVDUlist[] =
{"vt220", InitVT220, true},
{"vt240", InitREGIS, true},
{"vt640", InitVT640, true},
-#ifdef __linux__
+#if defined(__linux__) && defined(VGA)
{"linux", InitLINUX, true}, /* Linux SVGA driver */
#endif
{"kermit", InitNCSATEL, false}, /* temporarily for MS-Kermit Tek4010 emu. */
@@ -76,7 +76,8 @@ struct vdu_block InitVDUlist[] =
{"tek4010", InitNCSATEL, false}, /* temporarily? */
{"vt100", InitVT100, true},
{"vt100132", InitVT100132, true}, /* I think vt100132 can clear a line */
- {"vt102", InitVT100, true} /* I think vt102 can clear a line */
+ {"vt102", InitVT100, true}, /* I think vt102 can clear a line */
+/* {"curses", InitGeneric, true} */
};
/*******************************************************************/
@@ -98,19 +99,27 @@ Void InitVDU (VOID)
break;
}
}
+
+ if (i) {
+ if (strcmp("linux", vdu_block_p->vdu_name)) {
+ setuid(getuid());
+ setgid(getgid());
+ }
+ }
+
/* If i == 0 then invalid VDU.
* If any of the function pointers are still NULL, then invalid driver.
*/
if (i == 0)
{
- string msgstr;
+ String msgstr;
RestoreTerminal();
- sprintf (msgstr, "Terminal type \"%s\" not supported.", vdu);
+ snprintf (msgstr, maxstring, "Terminal type \"%s\" not supported.", vdu);
MesgString (msgstr); MesgLine();
- sprintf (msgstr,
+ snprintf (msgstr, maxstring,
"Either use the \"-v\" option or the TERM environment variable");
MesgString (msgstr); MesgLine();
- sprintf (msgstr, "to specify one of the following terminal types:");
+ snprintf (msgstr, maxstring, "to specify one of the following terminal types:");
MesgString (msgstr); MesgLine();
#define TERMS_PER_LINE (5)
for (vdu_block_p = InitVDUlist, i = n ;i > 0;)
@@ -119,7 +128,7 @@ Void InitVDU (VOID)
for (j = i < TERMS_PER_LINE? i: TERMS_PER_LINE;
j > 0; j--, vdu_block_p++)
{
- sprintf (msgstr, "\t%s", vdu_block_p->vdu_name);
+ snprintf (msgstr, maxstring, "\t%s", vdu_block_p->vdu_name);
MesgString (msgstr);
} /* endfor */
i -= TERMS_PER_LINE;
@@ -131,7 +140,7 @@ Void InitVDU (VOID)
}
else
{
- string msgstr;
+ String msgstr;
/* gt - specialised types for the following comparisons */
typedef Void (*TLFP) __((int line));
@@ -152,7 +161,7 @@ Void InitVDU (VOID)
|| ResetVDU == (VFP) NULL)
{
RestoreTerminal();
- sprintf (msgstr, "Error in configuration for \"%s\" vdu.", vdu);
+ snprintf (msgstr, maxstring, "Error in configuration for \"%s\" vdu.", vdu);
MesgString (msgstr); MesgLine();
RestoreTerminal(); /* GT - to be safe */
exit (1);
--- src/version.h
+++ src/version.h 2005-10-21 15:05:34.000000000 +0200
@@ -4,7 +4,8 @@
#define VERSION_H
#define dvgt_version \
-"This is dvgt 3.51L3 (DVItoVDU, v. 3.0, gt mod 5 rev 1 Linux 3) - 10 Jul 95"
+"This is dvgt 3.51L3 (DVItoVDU, v. 3.0, gt mod 5 rev 1 Linux 3) - 10 Jul 95\n" \
+"Adjusted to TeXLive 2007 (kpathsea version 3.5.6) on SuSE Linux - 13 Mar 2008"
#endif /* VERSION_H */
