/* static */
void FontUtils::GetAllRenderableCharacters(const string& font_name,
vector<bool>* unichar_bitmap) {
PangoFontInfo font_info(font_name);
PangoCoverage* coverage = pango_font_get_coverage(
font_info.ToPangoFont(), NULL);
CharCoverageMapToBitmap(coverage, unichar_bitmap);
}
/* static */
void FontUtils::GetAllRenderableCharacters(const vector<string>& fonts,
vector<bool>* unichar_bitmap) {
// Form the union of coverage maps from the fonts
PangoCoverage* all_coverage = pango_coverage_new();
tlog(1, "Processing %d fonts\n", fonts.size());
for (int i = 0; i < fonts.size(); ++i) {
PangoFontInfo font_info(fonts[i]);
PangoCoverage* coverage = pango_font_get_coverage(
font_info.ToPangoFont(), NULL);
// Mark off characters that any font can render.
pango_coverage_max(all_coverage, coverage);
}
CharCoverageMapToBitmap(all_coverage, unichar_bitmap);
pango_coverage_unref(all_coverage);
}
bool axFontGlobalManager::LoadFont(const string& path, FT_Face& face)
{
std::map<std::string, axFontStruct>::iterator it = _fontMap.find(path);
if (it != _fontMap.end())
{
//cout << "Font already loaded in memory." << endl;
FT_New_Memory_Face(_freeType,
(FT_Byte*)it->second._data, // First byte in memory.
it->second._size, // Size in bytes.
0, // Face_index.
&face);
return true;
}
else
{
//cout << "Init new font." << endl;
std::ifstream file(path, std::ios::binary);
file.seekg(0, std::ios::end);
std::streamsize size = file.tellg();
file.seekg(0, std::ios::beg);
char* buffer = nullptr;
try
{
buffer = new char[size];
}
catch (std::bad_alloc)
{
cerr << "Error new buffer." << endl;
}
//std::vector<unsigned char> buffer(size);
if (file.read(buffer, size))
{
axFontStruct font_info(buffer, (unsigned int)size);
_fontMap.insert(pair<std::string, axFontStruct>(path, font_info));
FT_New_Memory_Face(_freeType,
(FT_Byte*)buffer, // First byte in memory.
size, // Size in bytes.
0, // Face_index.
&face);
file.close();
return true;
}
else
{
delete buffer;
}
//if (InitImage(path, _texture, _size) == false)
//{
// axImageStruct img_info(_texture, _size);
// _imageMap.insert(pair<std::string, axImageStruct>(path, img_info));
// return true;
//}
}
return false;
}
