C++ (Cpp) FontDescription::get_average_width Examples

Example #1

File: font_provider_vector.cpp Project: lonelylife/ClanLib

void FontProvider_Vector::load_font(const FontDescription &desc, const std::string &filename)
{
#ifdef WIN32
	font_engine = new FontEngine_Win32(desc, filename);
#elif defined(__APPLE__)
	font_engine = new FontEngine_Cocoa(desc, filename);
#else

	std::string font_file_path = filename;
	if (font_file_path.empty())
	{
	    // Obtain the best matching font file from fontconfig.
		FontConfig &fc = FontConfig::instance();
		font_file_path = fc.match_font(desc);
	}

	std::string path = PathHelp::get_fullpath(font_file_path, PathHelp::path_type_file);
	std::string new_filename = PathHelp::get_filename(font_file_path, PathHelp::path_type_file);
	FileSystem vfs(path);
	IODevice io_dev = vfs.open_file(new_filename);

	int average_width = desc.get_average_width();
	int height = desc.get_height();

	// Ensure width and height are positive
	if (average_width < 0) average_width =-average_width;
	if (height < 0) height =-height;

	font_engine = new FontEngine_Freetype(io_dev, average_width, height);
#endif

	metrics = font_engine->get_metrics();
}

Example #2

File: font_impl.cpp Project: Cemenyave/ClanLib

void Font_Impl::load_font( GraphicContext &context, const FontDescription &desc, const std::string &filename )
{
	free_font();

	if (desc.get_subpixel())
	{
		glyph_cache.enable_subpixel = true;
		glyph_cache.anti_alias = true;	// Implies anti_alias is set
	}
	else
	{
		glyph_cache.enable_subpixel = false;
		glyph_cache.anti_alias = desc.get_anti_alias();
	}

#ifdef WIN32
	std::string path = PathHelp::get_fullpath(filename, PathHelp::path_type_file);
	std::string new_filename = PathHelp::get_filename(filename, PathHelp::path_type_file);
	FileSystem vfs(path);
	font_engine = new FontEngine_Win32(desc, new_filename, vfs);
	glyph_cache.font_metrics = font_engine->get_metrics();
#elif defined(__APPLE__)
    
    font_engine = new FontEngine_Cocoa(desc, filename);
    glyph_cache.font_metrics = font_engine->get_metrics();

#else
	std::string font_file_path = filename;
	if (font_file_path.empty())
	{
	    // Obtain the best matching font file from fontconfig.
		FontConfig &fc = FontConfig::instance();
		font_file_path = fc.match_font(desc);
	}

	std::string path = PathHelp::get_fullpath(font_file_path, PathHelp::path_type_file);
	std::string new_filename = PathHelp::get_filename(font_file_path, PathHelp::path_type_file);
	FileSystem vfs(path);
	IODevice io_dev = vfs.open_file(new_filename);

	int average_width = desc.get_average_width();
	int height = desc.get_height();

	// Ensure width and height are positive
	if (average_width < 0) average_width =-average_width;
	if (height < 0) height =-height;

	font_engine = new FontEngine_Freetype(io_dev, average_width, height);

	glyph_cache.font_metrics = font_engine->get_metrics();

#endif
}

Example #3

File: font_impl.cpp Project: Cemenyave/ClanLib

void Font_Impl::load_font( GraphicContext &context, const FontDescription &desc, const std::string &filename, FileSystem &fs)
{
	free_font();

	if (desc.get_subpixel())
	{
		glyph_cache.enable_subpixel = true;
		glyph_cache.anti_alias = true;	// Implies anti_alias is set
	}
	else
	{
		glyph_cache.enable_subpixel = false;
		glyph_cache.anti_alias = desc.get_anti_alias();
	}

#ifdef WIN32
	font_engine = new FontEngine_Win32(desc, filename, fs);
	glyph_cache.font_metrics = font_engine->get_metrics();
    
#elif defined(__APPLE__)
    
    font_engine = new FontEngine_Cocoa(desc, filename);
    glyph_cache.font_metrics = font_engine->get_metrics();

#else
	IODevice io_dev = fs.open_file(filename);

	int average_width = desc.get_average_width();
	int height = desc.get_height();

	// Ensure width and height are positive
	if (average_width < 0) average_width =-average_width;
	if (height < 0) height =-height;

	font_engine = new FontEngine_Freetype(io_dev, average_width, height);

	glyph_cache.font_metrics = font_engine->get_metrics();

#endif
}