Aspose::Words::Fonts::FontSubstitutionRule::get_Enabled method

FontSubstitutionRule::get_Enabled method

Specifies whether the rule is enabled or not.

virtual bool Aspose::Words::Fonts::FontSubstitutionRule::get_Enabled()

Examples

Shows how to access a document’s system font source and set font substitutes.

auto doc = System::MakeObject<Aspose::Words::Document>();
doc->set_FontSettings(System::MakeObject<Aspose::Words::Fonts::FontSettings>());

// By default, a blank document always contains a system font source.
ASSERT_EQ(1, doc->get_FontSettings()->GetFontsSources()->get_Length());

auto systemFontSource = System::ExplicitCast<Aspose::Words::Fonts::SystemFontSource>(doc->get_FontSettings()->GetFontsSources()->idx_get(0));
ASSERT_EQ(Aspose::Words::Fonts::FontSourceType::SystemFonts, systemFontSource->get_Type());
ASSERT_EQ(0, systemFontSource->get_Priority());

System::PlatformID pid = System::Environment::get_OSVersion().get_Platform();
bool isWindows = (pid == System::PlatformID::Win32NT) || (pid == System::PlatformID::Win32S) || (pid == System::PlatformID::Win32Windows) || (pid == System::PlatformID::WinCE);
if (isWindows)
{
    const System::String fontsPath = u"C:\\WINDOWS\\Fonts";
    System::String actual = System::Default<System::String>();
    System::String condExpression = Aspose::Words::Fonts::SystemFontSource::GetSystemFontFolders()->LINQ_FirstOrDefault();
    if (condExpression != nullptr)
    {
        actual = condExpression.ToLower();
    }
    ASSERT_EQ(fontsPath.ToLower(), actual);
}

for (System::String systemFontFolder : Aspose::Words::Fonts::SystemFontSource::GetSystemFontFolders())
{
    std::cout << systemFontFolder << std::endl;
}

// Set a font that exists in the Windows Fonts directory as a substitute for one that does not.
doc->get_FontSettings()->get_SubstitutionSettings()->get_FontInfoSubstitution()->set_Enabled(true);
doc->get_FontSettings()->get_SubstitutionSettings()->get_TableSubstitution()->AddSubstitutes(u"Kreon-Regular", System::MakeArray<System::String>({u"Calibri"}));

ASSERT_EQ(1, doc->get_FontSettings()->get_SubstitutionSettings()->get_TableSubstitution()->GetSubstitutes(u"Kreon-Regular")->LINQ_Count());
ASSERT_TRUE(doc->get_FontSettings()->get_SubstitutionSettings()->get_TableSubstitution()->GetSubstitutes(u"Kreon-Regular")->LINQ_ToArray()->Contains(u"Calibri"));

// Alternatively, we could add a folder font source in which the corresponding folder contains the font.
auto folderFontSource = System::MakeObject<Aspose::Words::Fonts::FolderFontSource>(get_FontsDir(), false);
doc->get_FontSettings()->SetFontsSources(System::MakeArray<System::SharedPtr<Aspose::Words::Fonts::FontSourceBase>>({systemFontSource, folderFontSource}));
ASSERT_EQ(2, doc->get_FontSettings()->GetFontsSources()->get_Length());

// Resetting the font sources still leaves us with the system font source as well as our substitutes.
doc->get_FontSettings()->ResetFontSources();

ASSERT_EQ(1, doc->get_FontSettings()->GetFontsSources()->get_Length());
ASSERT_EQ(Aspose::Words::Fonts::FontSourceType::SystemFonts, doc->get_FontSettings()->GetFontsSources()->idx_get(0)->get_Type());
ASSERT_EQ(1, doc->get_FontSettings()->get_SubstitutionSettings()->get_TableSubstitution()->GetSubstitutes(u"Kreon-Regular")->LINQ_Count());
ASSERT_TRUE(doc->get_FontSettings()->get_SubstitutionSettings()->get_FontNameSubstitution()->get_Enabled());

Shows operating system-dependent font config substitution.

auto fontSettings = System::MakeObject<Aspose::Words::Fonts::FontSettings>();
System::SharedPtr<Aspose::Words::Fonts::FontConfigSubstitutionRule> fontConfigSubstitution = fontSettings->get_SubstitutionSettings()->get_FontConfigSubstitution();

bool isWindows = System::MakeArray<System::PlatformID>({System::PlatformID::Win32NT, System::PlatformID::Win32S, System::PlatformID::Win32Windows, System::PlatformID::WinCE})->LINQ_Any(static_cast<System::Func<System::PlatformID, bool>>(static_cast<std::function<bool(System::PlatformID p)>>([](System::PlatformID p) -> bool
{
    return System::Environment::get_OSVersion().get_Platform() == p;
})));

// The FontConfigSubstitutionRule object works differently on Windows/non-Windows platforms.
// On Windows, it is unavailable.
if (isWindows)
{
    ASSERT_FALSE(fontConfigSubstitution->get_Enabled());
    ASSERT_FALSE(fontConfigSubstitution->IsFontConfigAvailable());
}

bool isLinuxOrMac = System::MakeArray<System::PlatformID>({System::PlatformID::Unix, System::PlatformID::MacOSX})->LINQ_Any(static_cast<System::Func<System::PlatformID, bool>>(static_cast<std::function<bool(System::PlatformID p)>>([](System::PlatformID p) -> bool
{
    return System::Environment::get_OSVersion().get_Platform() == p;
})));

// On Linux/Mac, we will have access to it, and will be able to perform operations.
if (isLinuxOrMac)
{
    ASSERT_TRUE(fontConfigSubstitution->get_Enabled());
    ASSERT_TRUE(fontConfigSubstitution->IsFontConfigAvailable());

    fontConfigSubstitution->ResetCache();
}

See Also