diff options
Diffstat (limited to 'platform/linuxbsd/os_linuxbsd.cpp')
| -rw-r--r-- | platform/linuxbsd/os_linuxbsd.cpp | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/platform/linuxbsd/os_linuxbsd.cpp b/platform/linuxbsd/os_linuxbsd.cpp index bf142f8804..e306c1054b 100644 --- a/platform/linuxbsd/os_linuxbsd.cpp +++ b/platform/linuxbsd/os_linuxbsd.cpp @@ -52,6 +52,10 @@ #include <sys/types.h> #include <unistd.h> +#ifdef FONTCONFIG_ENABLED +#include "fontconfig-so_wrap.h" +#endif + void OS_LinuxBSD::alert(const String &p_alert, const String &p_title) { const char *message_programs[] = { "zenity", "kdialog", "Xdialog", "xmessage" }; @@ -242,6 +246,183 @@ bool OS_LinuxBSD::_check_internal_feature_support(const String &p_feature) { return p_feature == "pc"; } +uint64_t OS_LinuxBSD::get_embedded_pck_offset() const { + Ref<FileAccess> f = FileAccess::open(get_executable_path(), FileAccess::READ); + if (f.is_null()) { + return 0; + } + + // Read and check ELF magic number. + { + uint32_t magic = f->get_32(); + if (magic != 0x464c457f) { // 0x7F + "ELF" + return 0; + } + } + + // Read program architecture bits from class field. + int bits = f->get_8() * 32; + + // Get info about the section header table. + int64_t section_table_pos; + int64_t section_header_size; + if (bits == 32) { + section_header_size = 40; + f->seek(0x20); + section_table_pos = f->get_32(); + f->seek(0x30); + } else { // 64 + section_header_size = 64; + f->seek(0x28); + section_table_pos = f->get_64(); + f->seek(0x3c); + } + int num_sections = f->get_16(); + int string_section_idx = f->get_16(); + + // Load the strings table. + uint8_t *strings; + { + // Jump to the strings section header. + f->seek(section_table_pos + string_section_idx * section_header_size); + + // Read strings data size and offset. + int64_t string_data_pos; + int64_t string_data_size; + if (bits == 32) { + f->seek(f->get_position() + 0x10); + string_data_pos = f->get_32(); + string_data_size = f->get_32(); + } else { // 64 + f->seek(f->get_position() + 0x18); + string_data_pos = f->get_64(); + string_data_size = f->get_64(); + } + + // Read strings data. + f->seek(string_data_pos); + strings = (uint8_t *)memalloc(string_data_size); + if (!strings) { + return 0; + } + f->get_buffer(strings, string_data_size); + } + + // Search for the "pck" section. + int64_t off = 0; + for (int i = 0; i < num_sections; ++i) { + int64_t section_header_pos = section_table_pos + i * section_header_size; + f->seek(section_header_pos); + + uint32_t name_offset = f->get_32(); + if (strcmp((char *)strings + name_offset, "pck") == 0) { + if (bits == 32) { + f->seek(section_header_pos + 0x10); + off = f->get_32(); + } else { // 64 + f->seek(section_header_pos + 0x18); + off = f->get_64(); + } + break; + } + } + memfree(strings); + + return off; +} + +Vector<String> OS_LinuxBSD::get_system_fonts() const { +#ifdef FONTCONFIG_ENABLED + if (!font_config_initialized) { + ERR_FAIL_V_MSG(Vector<String>(), "Unable to load fontconfig, system font support is disabled."); + } + HashSet<String> font_names; + Vector<String> ret; + + FcConfig *config = FcInitLoadConfigAndFonts(); + ERR_FAIL_COND_V(!config, ret); + + FcObjectSet *object_set = FcObjectSetBuild(FC_FAMILY, nullptr); + ERR_FAIL_COND_V(!object_set, ret); + + static const char *allowed_formats[] = { "TrueType", "CFF" }; + for (size_t i = 0; i < sizeof(allowed_formats) / sizeof(const char *); i++) { + FcPattern *pattern = FcPatternCreate(); + ERR_CONTINUE(!pattern); + + FcPatternAddBool(pattern, FC_SCALABLE, FcTrue); + FcPatternAddString(pattern, FC_FONTFORMAT, reinterpret_cast<const FcChar8 *>(allowed_formats[i])); + + FcFontSet *font_set = FcFontList(config, pattern, object_set); + if (font_set) { + for (int j = 0; j < font_set->nfont; j++) { + char *family_name = nullptr; + if (FcPatternGetString(font_set->fonts[j], FC_FAMILY, 0, reinterpret_cast<FcChar8 **>(&family_name)) == FcResultMatch) { + if (family_name) { + font_names.insert(String::utf8(family_name)); + } + } + } + FcFontSetDestroy(font_set); + } + FcPatternDestroy(pattern); + } + FcObjectSetDestroy(object_set); + + for (const String &E : font_names) { + ret.push_back(E); + } + return ret; +#else + ERR_FAIL_V_MSG(Vector<String>(), "Godot was compiled without fontconfig, system font support is disabled."); +#endif +} + +String OS_LinuxBSD::get_system_font_path(const String &p_font_name, bool p_bold, bool p_italic) const { +#ifdef FONTCONFIG_ENABLED + if (!font_config_initialized) { + ERR_FAIL_V_MSG(String(), "Unable to load fontconfig, system font support is disabled."); + } + + String ret; + + FcConfig *config = FcInitLoadConfigAndFonts(); + ERR_FAIL_COND_V(!config, ret); + + FcObjectSet *object_set = FcObjectSetBuild(FC_FAMILY, FC_FILE, nullptr); + ERR_FAIL_COND_V(!object_set, ret); + + FcPattern *pattern = FcPatternCreate(); + if (pattern) { + FcPatternAddBool(pattern, FC_SCALABLE, FcTrue); + FcPatternAddString(pattern, FC_FAMILY, reinterpret_cast<const FcChar8 *>(p_font_name.utf8().get_data())); + FcPatternAddInteger(pattern, FC_WEIGHT, p_bold ? FC_WEIGHT_BOLD : FC_WEIGHT_NORMAL); + FcPatternAddInteger(pattern, FC_SLANT, p_italic ? FC_SLANT_ITALIC : FC_SLANT_ROMAN); + + FcConfigSubstitute(0, pattern, FcMatchPattern); + FcDefaultSubstitute(pattern); + + FcResult result; + FcPattern *match = FcFontMatch(0, pattern, &result); + if (match) { + char *file_name = nullptr; + if (FcPatternGetString(match, FC_FILE, 0, reinterpret_cast<FcChar8 **>(&file_name)) == FcResultMatch) { + if (file_name) { + ret = String::utf8(file_name); + } + } + + FcPatternDestroy(match); + } + FcPatternDestroy(pattern); + } + FcObjectSetDestroy(object_set); + return ret; +#else + ERR_FAIL_V_MSG(String(), "Godot was compiled without fontconfig, system font support is disabled."); +#endif +} + String OS_LinuxBSD::get_config_path() const { if (has_environment("XDG_CONFIG_HOME")) { if (get_environment("XDG_CONFIG_HOME").is_absolute_path()) { @@ -559,4 +740,13 @@ OS_LinuxBSD::OS_LinuxBSD() { #ifdef X11_ENABLED DisplayServerX11::register_x11_driver(); #endif + +#ifdef FONTCONFIG_ENABLED +#ifdef DEBUG_ENABLED + int dylibloader_verbose = 1; +#else + int dylibloader_verbose = 0; +#endif + font_config_initialized = (initialize_fontconfig(dylibloader_verbose) == 0); +#endif // FONTCONFIG_ENABLED } |