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Merge pull request #68680 from bruvzg/fc_no_font_sub

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[fontconfig] Reject font substitutes if non-alias name was used.
This commit is contained in:
Rémi Verschelde 2022-11-15 11:56:31 +01:00
parent dbf6ff0cb6 40832cc670
commit 696740fe38
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GPG key ID: C3336907360768E1
1 changed files with 15 additions and 0 deletions
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15
platform/linuxbsd/os_linuxbsd.cpp
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@ -634,6 +634,8 @@ String OS_LinuxBSD::get_system_font_path(const String &p_font_name, bool p_bold,
ERR_FAIL_V_MSG(String(), "Unable to load fontconfig, system font support is disabled.");
}
bool allow_substitutes = (p_font_name.to_lower() == "sans-serif") || (p_font_name.to_lower() == "serif") || (p_font_name.to_lower() == "monospace") || (p_font_name.to_lower() == "cursive") || (p_font_name.to_lower() == "fantasy");
String ret;
FcConfig *config = FcInitLoadConfigAndFonts();
@ -655,6 +657,19 @@ String OS_LinuxBSD::get_system_font_path(const String &p_font_name, bool p_bold,
FcResult result;
FcPattern *match = FcFontMatch(0, pattern, &result);
if (match) {
if (!allow_substitutes) {
char *family_name = nullptr;
if (FcPatternGetString(match, FC_FAMILY, 0, reinterpret_cast<FcChar8 **>(&family_name)) == FcResultMatch) {
if (family_name && String::utf8(family_name).to_lower() != p_font_name.to_lower()) {
FcPatternDestroy(match);
FcPatternDestroy(pattern);
FcObjectSetDestroy(object_set);
FcConfigDestroy(config);
return String();
}
}
}
char *file_name = nullptr;
if (FcPatternGetString(match, FC_FILE, 0, reinterpret_cast<FcChar8 **>(&file_name)) == FcResultMatch) {
if (file_name) {