/****************************************************************************
- * Copyright (c) 2017 Free Software Foundation, Inc. *
+ * Copyright (c) 2017-2018,2019 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
* authorization. *
****************************************************************************/
/*
- * $Id: picsmap.c,v 1.103 2017/09/06 09:21:38 tom Exp $
+ * $Id: picsmap.c,v 1.128 2019/02/02 20:03:13 tom Exp $
*
* Author: Thomas E. Dickey
*
#include <sys/types.h>
#include <sys/stat.h>
-#ifdef HAVE_STDINT_H
+#if HAVE_STDINT_H
#include <stdint.h>
#define my_intptr_t intptr_t
#else
#define L_CURLY '{'
#define R_CURLY '}'
+#define MaxSCALE 1000 /* input curses ranges 0..1000 */
+#define MaxRGB 255 /* output color ranges 0..255 */
#define okCOLOR(n) ((n) >= 0 && (n) < COLORS)
-#define okRGB(n) ((n) >= 0 && (n) <= 1000)
-#define Scaled256(n) (NCURSES_COLOR_T) (int)(((n) * 1000.0) / 256)
-#define ScaledColor(n) (NCURSES_COLOR_T) (int)(((n) * 1000.0) / scale)
+#define okSCALE(n) ((n) >= 0 && (n) <= MaxSCALE)
+#define Scaled256(n) (NCURSES_COLOR_T) (int)(((double)(n) * MaxSCALE) / 255)
+#define ScaledColor(n) (NCURSES_COLOR_T) (int)(((double)(n) * MaxSCALE) / scale)
+#ifndef RGB_PATH
#define RGB_PATH "/etc/X11/rgb.txt"
+#endif
-typedef int NUM_COLOR;
-typedef unsigned short NUM_COUNT;
-
-typedef struct {
- char ch; /* nominal character to display */
- NUM_COLOR fg; /* foreground color */
-} PICS_CELL;
-
-typedef struct {
- NUM_COLOR fgcol;
- NUM_COUNT count;
-} FG_NODE;
-
-typedef struct {
- char *name;
- short high;
- short wide;
- int colors;
- FG_NODE *fgcol;
- PICS_CELL *cells;
-} PICS_HEAD;
-
-typedef struct {
- const char *name;
- int value;
-} RGB_NAME;
-
-typedef struct {
- short red;
- short green;
- short blue;
-} RGB_DATA;
+#include <picsmap.h>
typedef struct {
size_t file;
#define debugmsg2 if (debugging) logmsg2
static void cleanup(int) GCC_NORETURN;
-static void giveup(const char *fmt,...) GCC_PRINTFLIKE(1, 2);
-static void logmsg(const char *fmt,...) GCC_PRINTFLIKE(1, 2);
-static void logmsg2(const char *fmt,...) GCC_PRINTFLIKE(1, 2);
-static void warning(const char *fmt,...) GCC_PRINTFLIKE(1, 2);
+static void giveup(const char *fmt, ...) GCC_PRINTFLIKE(1, 2);
+static void logmsg(const char *fmt, ...) GCC_PRINTFLIKE(1, 2);
+static void logmsg2(const char *fmt, ...) GCC_PRINTFLIKE(1, 2);
+static void warning(const char *fmt, ...) GCC_PRINTFLIKE(1, 2);
static int gather_c_values(int);
static FILE *logfp = 0;
+static double aspect_ratio = 0.6;
static bool in_curses = FALSE;
static bool debugging = FALSE;
static bool quiet = FALSE;
static void *reading_ntree;
#endif
-#if HAVE_ALLOC_PAIR && HAVE_INIT_EXTENDED_COLOR
+#if HAVE_ALLOC_PAIR && USE_EXTENDED_COLOR
#define USE_EXTENDED_COLORS 1
static bool use_extended_pairs = FALSE;
static bool use_extended_colors = FALSE;
#endif
static void
-logmsg(const char *fmt,...)
+logmsg(const char *fmt, ...)
{
if (logfp != 0) {
va_list ap;
}
static void
-logmsg2(const char *fmt,...)
+logmsg2(const char *fmt, ...)
{
if (logfp != 0) {
va_list ap;
}
static void
-warning(const char *fmt,...)
+warning(const char *fmt, ...)
{
if (logfp != 0) {
va_list ap;
reading_ncols = 0;
}
-#if HAVE_TSEARCH && HAVE_TDESTROY
-static void
-never_free(void *node GCC_UNUSED)
-{
-}
-#endif
-
static void
dispose_c_values(void)
{
#if HAVE_TSEARCH
if (reading_ntree != 0) {
-#if HAVE_TDESTROY
- tdestroy(reading_ntree, never_free);
-#else
int n;
for (n = 0; n < reading_last; ++n) {
tdelete(I2P(n), &reading_ntree, compare_c_values);
}
-#endif
reading_ntree = 0;
}
#endif
for (j = 0; (size_t) j < size; ++j) {
if (blob[j] == '\0' ||
(UChar(blob[j]) < 32 &&
- !isspace(blob[j])) ||
- (UChar(blob[j]) >= 128 && UChar(blob[j]) < 160))
+ !isspace(UChar(blob[j]))) ||
+ (UChar(blob[j]) >= 128 && UChar(blob[j]) < 160)) {
binary = TRUE;
+ }
if (blob[j] == '\n') {
blob[j] = '\0';
if (k && !binary) {
,"Read/display one or more xbm/xpm files (possibly use \"convert\")"
,""
,"Options:"
- ," -d add debugging information to logfile"
+ ," -a ratio aspect-ratio correction for ImageMagick"
+#if HAVE_USE_DEFAULT_COLORS
+ ," -d invoke use_default_colors"
+#endif
+ ," -L add debugging information to logfile"
," -l logfile write informational messages to logfile"
," -p palette color-palette file (default \"$TERM.dat\")"
," -q less verbose"
}
static void
-giveup(const char *fmt,...)
+giveup(const char *fmt, ...)
{
va_list ap;
{
static const char *data_dir = DATA_DIR;
char **result = 0;
- char *full_name = malloc(strlen(data_dir) + 20 + strlen(filename));
+ size_t last = strlen(filename);
+ size_t need = (strlen(data_dir) + 20 + last);
+ char *full_name = malloc(need);
char *s;
struct stat sb;
*(s = full_name) = '\0';
if (tries & 1) {
if (strchr(filename, '/') == 0) {
- sprintf(full_name, "%s/", data_dir);
+ _nc_SPRINTF(full_name, _nc_SLIMIT(need) "%s/", data_dir);
} else {
continue;
}
}
s += strlen(s);
+ if (((size_t) (s - full_name) + last + 1) >= need)
+ continue;
- strcpy(s, filename);
+ _nc_STRCAT(full_name, filename, need);
if (tries & 4) {
char *t = s;
+ char *tc;
int num;
char chr;
int found = 0;
if (*t == '-') {
if (sscanf(t, "-%d%c", &num, &chr) == 2 &&
chr == 'c' &&
- !strncmp(strchr(t, chr), "color", 5)) {
+ (tc = strchr(t, chr)) != 0 &&
+ !(strncmp) (tc, "color", 5)) {
found = 1;
}
break;
++t;
}
if (found && (t != s)
- && strncmp(s, "xterm", (size_t) (t - s))) {
- sprintf(s, "xterm%s", filename + (t - s));
+ && (strncmp) (s, "xterm", (size_t) (t - s))) {
+ _nc_SPRINTF(s, _nc_SLIMIT(need - (size_t) (s - full_name))
+ "xterm%s", filename + (t - s));
} else {
continue;
}
if (tries & 2) {
int len = (int) strlen(filename);
if (len <= 4 || strcmp(filename + len - 4, ".dat")) {
- strcpy(s, ".dat");
+ _nc_STRCAT(full_name, ".dat", need);
} else {
continue;
}
{
if (palette_file != 0) {
char **data = read_palette(palette_file);
- int cp;
all_colors = typeMalloc(RGB_DATA, (unsigned) COLORS);
how_much.data += (sizeof(RGB_DATA) * (unsigned) COLORS);
#if HAVE_COLOR_CONTENT
- for (cp = 0; cp < COLORS; ++cp) {
- color_content((short) cp,
- &all_colors[cp].red,
- &all_colors[cp].green,
- &all_colors[cp].blue);
+ {
+ int cp;
+ for (cp = 0; cp < COLORS; ++cp) {
+ color_content((short) cp,
+ &all_colors[cp].red,
+ &all_colors[cp].green,
+ &all_colors[cp].blue);
+ }
}
#else
memset(all_colors, 0, sizeof(RGB_DATA) * (size_t) COLORS);
if (data != 0) {
int n;
int red, green, blue;
- int scale = 1000;
+ int scale = MaxSCALE;
int c;
for (n = 0; data[n] != 0; ++n) {
if (sscanf(data[n], "scale:%d", &c) == 1) {
&green,
&blue) == 4
&& okCOLOR(c)
- && okRGB(red)
- && okRGB(green)
- && okRGB(blue)) {
+ && okSCALE(red)
+ && okSCALE(green)
+ && okSCALE(blue)) {
/* *INDENT-EQLS* */
all_colors[c].red = ScaledColor(red);
all_colors[c].green = ScaledColor(green);
return value;
}
-static int match_c(const char *, const char *,...) GCC_SCANFLIKE(2,3);
+static int match_c(const char *, const char *, ...) GCC_SCANFLIKE(2,3);
static char *
skip_s(char *s)
}
static int
-match_c(const char *source, const char *pattern,...)
+match_c(const char *source, const char *pattern, ...)
{
int limit = (int) strlen(source);
const char *last_s = source + limit;
} else if ((t = strstr(buf, "_height")) != 0) {
state |= 2;
result->high = (short) num;
+ } else {
+ break;
}
*t = '\0';
if (result->name) {
if (isdigit(UChar(*s))) {
long value = strtol(s, &t, 0);
int b;
- if (t != s || value > 255 || value < 0) {
+ if (t != s || value > MaxRGB || value < 0) {
s = t;
} else {
state = -1;
break;
}
num_colors++;
+ free(list[reading_last]);
list[reading_last] = strdup(arg1);
if ((by_name = lookup_rgb(arg3)) != 0) {
found = gather_c_values(by_name->value);
if (num_colors >= result->colors) {
finish_c_values(result);
state = 4;
- if (list != 0 && list[0] == 0)
+ if (list[0] == 0)
list[0] = strdup("\033");
}
break;
/* should not happen... */
continue;
}
- if (!strncmp(cs, list[c], (size_t) cpp)) {
+ if (!(strncmp) (cs, list[c], (size_t) cpp)) {
result->cells[which].ch = list[c][0];
result->cells[which].fg = c;
result->fgcol[c].count++;
static PICS_HEAD *
parse_img(const char *filename)
{
- char *cmd = malloc(strlen(filename) + 256);
+ size_t need = strlen(filename) + 256;
+ char *cmd = malloc(need);
FILE *pp;
char buffer[BUFSIZ];
char dummy[BUFSIZ];
int pic_y = 0;
int width = in_curses ? COLS : 80;
- sprintf(cmd, "identify \"%s\"", filename);
+ _nc_SPRINTF(cmd, _nc_SLIMIT(need) "identify \"%s\"", filename);
if (quiet)
- strcat(cmd, " 2>/dev/null");
+ _nc_STRCAT(cmd, " 2>/dev/null", need);
logmsg("...opening pipe to %s", cmd);
size_t n = strlen(filename);
debugmsg2("...read %s", buffer);
if (strlen(buffer) > n &&
- !strncmp(buffer, filename, n) &&
+ !(strncmp) (buffer, filename, n) &&
isspace(UChar(buffer[n])) &&
sscanf(skip_word(buffer + n), " %dx%d ", &pic_x, &pic_y) == 2) {
/* distort image to make it show normally on terminal */
- pic_x = (166 * pic_x) / 100;
+ pic_x = (int) ((double) pic_x / aspect_ratio);
} else {
pic_x = pic_y = 0;
}
if (pic_x <= 0 || pic_y <= 0)
goto finish;
- sprintf(cmd, "convert " "-resize %dx%d\\! " "-thumbnail %dx \"%s\" "
- "-define txt:compliance=SVG txt:-",
- pic_x, pic_y, width, filename);
+ _nc_SPRINTF(cmd, _nc_SLIMIT(need)
+ "convert " "-resize %dx%d\\! " "-thumbnail %dx \"%s\" "
+ "-define txt:compliance=SVG txt:-",
+ pic_x, pic_y, width, filename);
if (quiet)
- strcat(cmd, " 2>/dev/null");
+ _nc_STRCAT(cmd, " 2>/dev/null", need);
logmsg("...opening pipe to %s", cmd);
if ((pp = popen(cmd, "r")) != 0) {
&check)) {
if ((s - t) > 8) /* 6 hex digits vs 8 */
check /= 256;
- if (r > 255 ||
- g > 255 ||
- b > 255 ||
+ if (r > MaxRGB ||
+ g > MaxRGB ||
+ b > MaxRGB ||
check != (unsigned) ((r << 16) | (g << 8) | b)) {
okay = FALSE;
break;
}
}
+#ifndef USE_DISPLAY_DRIVER
+static void
+init_display(const char *palette_path, int opt_d)
+{
+ if (isatty(fileno(stdout))) {
+ in_curses = TRUE;
+ initscr();
+ cbreak();
+ noecho();
+ curs_set(0);
+ if (has_colors()) {
+ start_color();
+#if HAVE_USE_DEFAULT_COLORS
+ if (opt_d)
+ use_default_colors();
+#endif
+ init_palette(palette_path);
+ }
+ scrollok(stdscr, FALSE);
+ exit_curses();
+ }
+}
+
static void
show_picture(PICS_HEAD * pics)
{
int my_pair, my_color;
debugmsg("called show_picture");
-#if USE_EXTENDED_COLORS
+ logmsg("...using %dx%d screen", LINES, COLS);
+#if HAVE_RESET_COLOR_PAIRS
reset_color_pairs();
#elif HAVE_CURSCR
wclear(curscr);
if (!quiet)
endwin();
}
+#endif
static int
compare_fg_counts(const void *a, const void *b)
if (j < 10)
++digits;
}
+ if (digits > 8)
+ digits = 8;
logmsg("These colors were used:");
high = (pics->colors + wide - 1) / wide;
for (j = 0; j < high && j < pics->colors; ++j) {
*s = '\0';
for (k = 0; k < wide; ++k) {
int n = j + (k * high);
+ size_t want = (sizeof(buffer) - (size_t) (s - buffer));
+ if (want < 100)
+ break;
if (n >= pics->colors)
break;
if (k) {
*s++ = ' ';
if (digits < 8) {
- sprintf(s, "%*s", 8 - digits, " ");
+ _nc_SPRINTF(s, _nc_SLIMIT(want) "%*s", 8 - digits,
+ " ");
s += strlen(s);
}
}
if (pics->fgcol[n].fgcol >= 0) {
- sprintf(s, "%3d #%06X %*d", n,
- pics->fgcol[n].fgcol,
- digits, pics->fgcol[n].count);
+ _nc_SPRINTF(s, _nc_SLIMIT(want) "%3d #%06X %*d", n,
+ pics->fgcol[n].fgcol,
+ digits, pics->fgcol[n].count);
} else {
- sprintf(s, "%3d (empty) %*d", n,
- digits, pics->fgcol[n].count);
+ _nc_SPRINTF(s, _nc_SLIMIT(want) "%3d (empty) %*d", n,
+ digits, pics->fgcol[n].count);
}
s += strlen(s);
if ((s - buffer) > 100)
main(int argc, char *argv[])
{
int n;
+ int opt_d = FALSE;
+ char ignore_ch;
const char *palette_path = 0;
- const char *rgb_path = "/etc/X11/rgb.txt";
+ const char *rgb_path = RGB_PATH;
- while ((n = getopt(argc, argv, "dl:p:qr:s:x:")) != -1) {
+ while ((n = getopt(argc, argv, "a:dLl:p:qr:s:x:")) != -1) {
switch (n) {
+ case 'a':
+ if (sscanf(optarg, "%lf%c", &aspect_ratio, &ignore_ch) != 1
+ || aspect_ratio < 0.1
+ || aspect_ratio > 10.) {
+ fprintf(stderr, "Expected a number in [0.1 to 10.]: %s\n", optarg);
+ usage();
+ }
+ break;
+#if HAVE_USE_DEFAULT_COLORS
case 'd':
+ opt_d = TRUE;
+ break;
+#endif
+ case 'L':
debugging = TRUE;
break;
case 'l':
if (rgb_data)
rgb_table = parse_rgb(rgb_data);
- if (isatty(fileno(stdout))) {
- in_curses = TRUE;
- initscr();
- cbreak();
- noecho();
- curs_set(0);
- if (has_colors()) {
- start_color();
- init_palette(palette_path);
- }
- scrollok(stdscr, FALSE);
- exit_curses();
- }
+ init_display(palette_path, opt_d);
if (optind >= argc)
giveup("expected at least one image filename");