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wmaker/util/convertfonts.c
2004-07-16 18:18:36 +00:00

318 lines
7.6 KiB
C

/* convertfonts.c - converts fonts in a style file to fontconfig format
*
* WindowMaker window manager
*
* Copyright (c) 2004 Dan Pascu
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
#define PROG_VERSION "convertfonts (Window Maker) 1.0"
#include <stdlib.h>
#include <stdio.h>
#include <sys/stat.h>
#include <string.h>
#include <WINGs/WUtil.h>
#include "../src/wconfig.h"
#define DEFAULT_FONT "sans-serif:pixelsize=12"
char *FontOptions[] = {
"IconTitleFont",
"ClipTitleFont",
"DisplayFont",
"LargeDisplayFont",
"MenuTextFont",
"MenuTitleFont",
"WindowTitleFont",
"SystemFont",
"BoldSystemFont",
NULL
};
char *ProgName;
static int
countChar(char *str, char c)
{
int count = 0;
if (!str)
return 0;
for (; *str!=0; str++) {
if (*str == c) {
count++;
}
}
return count;
}
typedef struct str {
char *str;
int len;
} str;
#define XLFD_TOKENS 14
static str*
getXLFDTokens(char *xlfd)
{
static str tokens[XLFD_TOKENS];
int i, len, size;
char *ptr;
if (!xlfd || *xlfd!='-' || countChar(xlfd, '-')<XLFD_TOKENS)
return NULL;
memset(tokens, 0, sizeof(str)*XLFD_TOKENS);
len = strlen(xlfd);
for (ptr=xlfd, i=0; i<XLFD_TOKENS && len>0; i++) {
/* skip one '-' */
ptr++;
len--;
if (len <= 0)
break;
size = strcspn(ptr, "-");
tokens[i].str = ptr;
tokens[i].len = size;
ptr += size;
len -= size;
}
return tokens;
}
static int
strToInt(str *token)
{
int res=0, pos, c;
if (token->len==0 || token->str[0]=='*') {
return -1;
} else {
for (res=0, pos=0; pos<token->len; pos++) {
c = token->str[pos] - '0';
if (c<0 || c>9)
break;
res = res*10 + c;
}
}
return res;
}
static char*
mapSlantToName(str *slant)
{
if (slant->len==0 || slant->str[0]=='*')
return "roman";
switch(slant->str[0]) {
case 'i':
return "italic";
case 'o':
return "oblique";
case 'r':
default:
return "roman";
}
}
char*
xlfdToFc(char *xlfd, char *useFamily, Bool keepXLFD)
{
str *tokens, *family, *weight, *slant;
char *name, buf[512];
int size, pixelsize;
tokens = getXLFDTokens(xlfd);
if (!tokens)
return wstrdup(DEFAULT_FONT);
family = &(tokens[1]);
weight = &(tokens[2]);
slant = &(tokens[3]);
if (useFamily) {
name = wstrdup(useFamily);
} else {
if (family->len==0 || family->str[0]=='*')
return wstrdup(DEFAULT_FONT);
sprintf(buf, "%.*s", family->len, family->str);
name = wstrdup(buf);
}
pixelsize = strToInt(&tokens[6]);
size = strToInt(&tokens[7]);
if (size<=0 && pixelsize<=0) {
name = wstrappend(name, ":pixelsize=12");
} else if (pixelsize>0) {
/* if pixelsize is present size will be ignored so we skip it */
sprintf(buf, ":pixelsize=%d", pixelsize);
name = wstrappend(name, buf);
} else {
sprintf(buf, "-%d", size/10);
name = wstrappend(name, buf);
}
if (weight->len>0 && weight->str[0]!='*') {
sprintf(buf, ":weight=%.*s", weight->len, weight->str);
name = wstrappend(name, buf);
}
if (slant->len>0 && slant->str[0]!='*') {
sprintf(buf, ":slant=%s", mapSlantToName(slant));
name = wstrappend(name, buf);
}
if (keepXLFD) {
name = wstrappend(name, ":xlfd=");
name = wstrappend(name, xlfd);
}
return name;
}
/* return converted font (if conversion is needed) else the original font */
static char*
convertFont(char *font, Bool keepXLFD)
{
if (font[0]=='-') {
if (!strchr(font, ',')) {
return xlfdToFc(font, NULL, keepXLFD);
} else {
return xlfdToFc(font, "sans-serif", keepXLFD);
}
} else {
return font;
}
}
void
print_help()
{
printf("\nUsage: %s <style_file>\n\n", ProgName);
puts("Converts fonts in a style file into fontconfig format");
puts("");
puts(" --help display this help and exit");
puts(" --version output version information and exit");
puts(" --keep-xlfd preserve the original xlfd by appending a ':xlfd=<xlfd>' hint");
puts(" to the font name. This property is not used by the fontconfig");
puts(" matching engine to find the font, but it is useful as a hint");
puts(" about what the original font was to allow hand tuning the");
puts(" result or restoring the xlfd. The default is to not add it");
puts(" as it results in long, unreadable and confusing names.");
puts(" --sets-too try to approximate fontsets by using their first complete xlfd.");
puts(" This only works for singlebyte languages. The default is to");
puts(" replace the fontset with the default: 'sans-serif:pixelsize=12'");
puts(" which should display properly for any language.");
puts("");
}
// replace --sets-too with something better
int
main(int argc, char **argv)
{
WMPropList *style, *key, *val;
char *file = NULL, *oldfont, *newfont;
struct stat statbuf;
Bool keepXLFD = False;
int i;
ProgName = argv[0];
if (argc<2) {
print_help();
exit(0);
}
for (i=1; i < argc; i++) {
if (strcmp("--version", argv[i])==0) {
puts(PROG_VERSION);
exit(0);
} else if (strcmp("--help", argv[i])==0) {
print_help();
exit(0);
} else if (strcmp("--keep-xlfd", argv[i])==0) {
keepXLFD = True;;
} else if (argv[i][0]=='-') {
printf("%s: invalid argument '%s'\n", ProgName, argv[i]);
printf("Try '%s --help' for more information\n", ProgName);
exit(1);
} else {
file = argv[i];
}
}
WMPLSetCaseSensitive(False);
if (stat(file, &statbuf) < 0) {
perror(file);
exit(1);
}
style = WMReadPropListFromFile(file);
if (!style) {
perror(file);
printf("%s: could not load style file.\n", ProgName);
exit(1);
}
if (!WMIsPLDictionary(style)) {
printf("%s: '%s' is not a well formatted style file\n", ProgName, file);
exit(1);
}
for (i=0; FontOptions[i]!=NULL; i++) {
key = WMCreatePLString(FontOptions[i]);
val = WMGetFromPLDictionary(style, key);
if (val) {
oldfont = WMGetFromPLString(val);
newfont = convertFont(oldfont, keepXLFD);
if (oldfont != newfont) {
val = WMCreatePLString(newfont);
WMPutInPLDictionary(style, key, val);
WMReleasePropList(val);
wfree(newfont);
}
}
WMReleasePropList(key);
}
WMWritePropListToFile(style, file, True);
exit(0);
}