Font::Font(const FontDescription &desc, const std::string &ttf_filename, FileSystem fs)
{
std::string new_filename = PathHelp::get_filename(ttf_filename, PathHelp::path_type_file);
FontFamily font_family(new_filename);
font_family.add(desc, ttf_filename, fs);
impl = std::make_shared<Font_Impl>(font_family, desc);
}
Resource<Font> XMLDisplayCache::get_font(Canvas &canvas, const std::string &family_name, const FontDescription &desc)
{
auto it = fonts.find(family_name);
if (it != fonts.end())
return Font(it->second, desc);
bool is_resource_font = false;
if (doc.resource_exists(family_name))
{
XMLResourceNode resource = doc.get_resource(family_name);
if (resource.get_element().get_tag_name() == "font")
{
is_resource_font = true;
}
}
Font font;
FontFamily font_family(family_name);
fonts[family_name] = font_family;
if (is_resource_font)
{
font = Font::load(canvas, family_name, desc, font_family, doc, bind_member(this, &XMLDisplayCache::get_sprite));
}
else
{
font = Font(font_family, desc);
}
return font;
}
Font::Font(Canvas &canvas, const std::string &typeface_name, Sprite &sprite, const std::string &glyph_list, float spacelen, bool monospace, const FontMetrics &metrics)
{
FontDescription desc;
desc.set_height(metrics.get_height());
FontFamily font_family(typeface_name);
font_family.add(canvas, sprite, glyph_list, spacelen, monospace, metrics);
impl = std::make_shared<Font_Impl>(font_family, desc);
}
Resource<Font> FileDisplayCache::get_font(Canvas &canvas, const std::string &family_name, const FontDescription &desc)
{
auto it = fonts.find(family_name);
if (it != fonts.end())
return Font(it->second, desc);
//TODO: Maybe allow loading of fonts from the doc filesystem?
FontFamily font_family(family_name);
fonts[family_name] = font_family;
Font font = Font(font_family, desc);
return font;
}
// Uses GDI+ to fill the LOGFONT structure. This is computationally expensive
// but easy to get right. However it doesn't handle some fonts like Terminal.
// font_size is in units of tenths of point size. i.e. 100 is a 10 point font
bool get_logfont(const tstring & font_name, int font_size, LOGFONT * lf) {
Bitmap b(1, 1);
Graphics g(&b);
FontFamily font_family(WideBuffer(font_name.c_str()));
const FontFamily * ff = &font_family;
if (!font_family.IsAvailable())
return false;
Gdiplus::Font font(ff, static_cast<REAL>(font_size) / POINT_SIZE_SCALE);
if (!font.IsAvailable())
return false;
#ifdef UNICODE
font.GetLogFontW(&g, lf);
#else
font.GetLogFontA(&g, lf);
#endif
return true;
}
Font::Font(const std::string &typeface_name, const FontDescription &desc)
{
FontFamily font_family(typeface_name);
*this = Font(font_family, desc);
}
