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/* -*- Mode: C; indent-tabs-mode: nil; tab-width: 4 -*-
* -*- coding: utf-8 -*-
*
* Copyright (C) 2011 ~ 2018 Deepin, Inc.
* 2011 ~ 2018 Wang Yong
*
* Author: Wang Yong <wangyong@deepin.com>
* Maintainer: Wang Yong <wangyong@deepin.com>
*
* 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 3 of the License, or
* 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, see <http://www.gnu.org/licenses/>.
*/
#include <fontconfig/fontconfig.h>
#include <fontconfig/fcfreetype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <regex.h>
#include <glib.h>
static int string_rematch(const char* string,const char* pattern) {
int ret = 0;
regex_t regex;
regcomp(®ex, pattern, REG_ICASE);
if (regexec(®ex, string, 0, NULL, 0) == REG_NOERROR)
ret = 1;
regfree(®ex);
return ret;
}
gchar** list_mono_or_dot_fonts(gint* num, int* result_length) {
FcInit();
FcPattern *pat = FcPatternCreate();
if (!pat) {
fprintf(stderr, "Create FcPattern Failed\n");
return NULL;
}
FcObjectSet *os = FcObjectSetBuild(
FC_FAMILY,
FC_FAMILYLANG,
FC_FULLNAME,
FC_FULLNAMELANG,
FC_STYLE,
FC_FILE,
FC_LANG,
FC_SPACING,
FC_CHARSET,
NULL);
if (!os) {
fprintf(stderr, "Build FcObjectSet Failed\n");
FcPatternDestroy(pat);
return NULL;
}
FcFontSet *fs = FcFontList(0, pat, os);
FcObjectSetDestroy(os);
FcPatternDestroy(pat);
if (!fs) {
fprintf(stderr, "List Font Failed\n");
return NULL;
}
/* Read family name of mono font. */
gchar** fonts = NULL;
int j;
int count = 0;
for (j = 0; j < fs->nfont; j++) {
/* printf("family: %s\n familylang: %s\n fullname: %s\n fullnamelang: %s\n style: %s\n file: %s\n lang: %s\n spacing: %s\n charset: %s\n", */
/* FcPatternFormat(fs->fonts[j], (FcChar8*)"%{family}"), */
/* FcPatternFormat(fs->fonts[j], (FcChar8*)"%{familylang}"), */
/* FcPatternFormat(fs->fonts[j], (FcChar8*)"%{fullname}"), */
/* FcPatternFormat(fs->fonts[j], (FcChar8*)"%{fullnamelang}"), */
/* FcPatternFormat(fs->fonts[j], (FcChar8*)"%{style}"), */
/* FcPatternFormat(fs->fonts[j], (FcChar8*)"%{file}"), */
/* FcPatternFormat(fs->fonts[j], (FcChar8*)"%{lang}"), */
/* FcPatternFormat(fs->fonts[j], (FcChar8*)"%{spacing}"), */
/* FcPatternFormat(fs->fonts[j], (FcChar8*)"%{charset}") */
/* ); */
char *font_family = (char*) FcPatternFormat(fs->fonts[j], (FcChar8*)"%{family}");
char *comma = NULL;
// split with ',' and using last one
while ((comma = strchr(font_family, ',')) != NULL)
font_family = comma + 1;
/* spacing 100 is mono font, spacing 110 is dot font */
if (strcmp((char*) FcPatternFormat(fs->fonts[j], (FcChar8*)"%{spacing}"), "100") == 0
|| strcmp((char*) FcPatternFormat(fs->fonts[j], (FcChar8*)"%{spacing}"), "110") == 0
|| string_rematch(font_family, "mono")
|| strcmp(font_family, "YaHei Consolas Hybrid") == 0
|| strcmp(font_family, "Monaco") == 0
) {
/* Realloc was realloc(fonts, 0), and you have to take space for <char *> */
fonts = realloc(fonts, (count + 1) * sizeof(gchar*));
if (fonts == NULL) {
fprintf(stderr, "Alloc memory at append %d font info failed\n", count + 1);
return NULL;
}
/* Filter charset font */
char *charset = (char*)FcPatternFormat(fs->fonts[j], (FcChar8*)"%{charset}");
if (charset == NULL || strlen(charset) == 0) {
free(charset);
continue;
}
free(charset);
/* Got font name */
gchar* font = g_strdup(font_family);
/* Need space for store font */
fonts[count] = malloc((strlen(font) + 1) * sizeof(gchar));
if (fonts[count] == NULL) {
fprintf(stderr, "Malloc %d failed\n", count + 1);
return NULL;
}
strcpy(fonts[count], font);
free(font);
count++;
}
}
/* Remove duplicate font family. */
int i, k;
for (i = 0; i < count; i++) {
for (j = i + 1; j < count;) {
if (strcmp(fonts[j], fonts[i]) == 0) {
for (k = j; k < count; k++) {
fonts[k] = fonts[k + 1];
}
count--;
} else
j++;
}
}
*num = count;
*result_length = count;
FcFontSetDestroy(fs);
return fonts;
}
gchar* font_match(gchar* family) {
FcPattern* pat = FcNameParse((FcChar8*)family);
if (!pat) {
return NULL;
}
FcConfigSubstitute(NULL, pat, FcMatchPattern);
FcDefaultSubstitute(pat);
FcResult result;
FcPattern* match = FcFontMatch(NULL, pat, &result);
FcPatternDestroy(pat);
if (!match) {
return NULL;
}
FcFontSet* fs = FcFontSetCreate();
if (!fs) {
FcPatternDestroy(match);
return NULL;
}
FcFontSetAdd(fs, match);
FcPattern* font = FcPatternFilter(fs->fonts[0], NULL);
FcChar8* ret = FcPatternFormat(font, (const FcChar8*)"%{family}");
FcPatternDestroy(font);
FcFontSetDestroy(fs);
FcPatternDestroy(match);
if (!ret) {
return NULL;
}
return (gchar*)ret;
}
/* void main(int argc, char *argv[]) {
gint num = 0;
int font_num = 0;
gchar** fonts = list_mono_or_dot_fonts(&num, &font_num);
int i;
for (i = 0; i < font_num; i++) {
printf("%s\n", fonts[i]);
}
printf("\n");
printf("%s", font_match("Mono"));
} */
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