我有一个类似的问题,并找到了这篇文章(fontconfig 文档有点难以理解)。 MindaugasJ 的回复很有用,但要注意额外的行,例如FcPatternPrint()
或打印出结果FcNameUnparse()
。此外,您还需要添加一个FC_FILE
传递给的参数列表的参数FcObjectSetBuild
。像这样的东西:
FcConfig* config = FcInitLoadConfigAndFonts();
FcPattern* pat = FcPatternCreate();
FcObjectSet* os = FcObjectSetBuild (FC_FAMILY, FC_STYLE, FC_LANG, FC_FILE, (char *) 0);
FcFontSet* fs = FcFontList(config, pat, os);
printf("Total matching fonts: %d\n", fs->nfont);
for (int i=0; fs && i < fs->nfont; ++i) {
FcPattern* font = fs->fonts[i];
FcChar8 *file, *style, *family;
if (FcPatternGetString(font, FC_FILE, 0, &file) == FcResultMatch &&
FcPatternGetString(font, FC_FAMILY, 0, &family) == FcResultMatch &&
FcPatternGetString(font, FC_STYLE, 0, &style) == FcResultMatch)
{
printf("Filename: %s (family %s, style %s)\n", file, family, style);
}
}
if (fs) FcFontSetDestroy(fs);
我有一个稍微不同的问题需要解决,因为我需要找到要传递给 freetype 的字体文件FC_New_Face()
给定一些字体“名称”的函数。此代码能够使用 fontconfig 来查找与名称匹配的最佳文件:
FcConfig* config = FcInitLoadConfigAndFonts();
// configure the search pattern,
// assume "name" is a std::string with the desired font name in it
FcPattern* pat = FcNameParse((const FcChar8*)(name.c_str()));
FcConfigSubstitute(config, pat, FcMatchPattern);
FcDefaultSubstitute(pat);
// find the font
FcResult res;
FcPattern* font = FcFontMatch(config, pat, &res);
if (font)
{
FcChar8* file = NULL;
if (FcPatternGetString(font, FC_FILE, 0, &file) == FcResultMatch)
{
// save the file to another std::string
fontFile = (char*)file;
}
FcPatternDestroy(font);
}
FcPatternDestroy(pat);