unsigned delete_freetype_font(void* font_info)
{
unsigned error = 0;
FT_Face* faces = reinterpret_cast<FT_Face*>(font_info);
unsigned long face_num = faces[0]->num_faces;
for (unsigned i = 0; i < face_num; i++)
{
error = FT_Done_Face(faces[i]);
if(error)return error;
}
free(font_info);
if (s_freetype)
{
error = FT_Done_Library(s_freetype);
s_freetype = NULL;
}
if(m_stroker){
FT_Stroker_Done( m_stroker );
m_stroker=NULL;
}
return error;
}
FT_Done_FreeType_2(FT_Library library)
{
if(library)
{
FT_Memory memory = library->memory;
FT_Done_Library(library);
memory->free(memory, memory);
}
return FT_Err_Ok;
}
bool fsLowLevelAPI::destroyFreeType()
{
if (FT_Done_Library(s_freetype))
{
return false;
}
fsFree(s_memory);
return true;
}
/* close down and dispose of GlyphEngine */
void FreeGE(FT_GlyphEngine *ge)
{
if(ge==NULL) return;
if(ge->face_established)
FT_Done_Face( ge->face );
FT_Done_Library( ge->engine );
FreeVec(ge);
}
bool freetype_engine::register_fonts(std::string const& dir, bool recurse)
{
#ifdef MAPNIK_THREADSAFE
mapnik::scoped_lock lock(mutex_);
#endif
std::unique_ptr<FT_MemoryRec_> memory(new FT_MemoryRec_);
FT_Library library = 0;
init_freetype(&*memory, library);
bool result = register_fonts_impl(dir, library, recurse);
FT_Done_Library(library);
return result;
}
FT_Done_FreeType( FT_Library library )
{
if ( library )
{
FT_Memory memory = library->memory;
/* Discard the library object */
FT_Done_Library( library );
/* discard memory manager */
FT_Done_Memory( memory );
}
return FT_Err_Ok;
}
FT_Done_FreeType( FT_Library library )
{
FT_Memory memory;
if ( !library )
return FT_THROW( Invalid_Library_Handle );
memory = library->memory;
/* Discard the library object */
FT_Done_Library( library );
/* discard memory manager */
FT_Done_Memory( memory );
return FT_Err_Ok;
}
font_library::~font_library()
{
FT_Done_Library(library_);
}
freetype_engine::~freetype_engine()
{
FT_Done_Library(library_);
}
/**
* Main.
*/
int main(int argc, char* argv[]) {
FT_Error error;
std::string fTtf;
std::string fLff;
// init:
fpLff = NULL;
nodes = 4;
std::string name = "Unknown";
double letterSpacing = 3.0;
double wordSpacing = 6.75;
double lineSpacingFactor = 1.0;
std::string author = "Unknown";
std::string license = "Unknown";
precision = 6;
int i;
int ret;
library = NULL;
face = NULL;
// handle arguments:
if (argc < 3) {
usage(1);
/* NOTREACHED */
}
for (i=1; i<argc; ++i) {
if (!strcmp(argv[i], "-n")) {
++i;
nodes = atoi(argv[i]);
}
else if (!strcmp(argv[i], "-a")) {
++i;
author = argv[i];
}
else if (!strcmp(argv[i], "-l")) {
++i;
letterSpacing = atof(argv[i]);
}
else if (!strcmp(argv[i], "-w")) {
++i;
wordSpacing = atof(argv[i]);
}
else if (!strcmp(argv[i], "-d")) {
++i;
precision = atoi(argv[i]);
}
else if (!strcmp(argv[i], "-f")) {
++i;
lineSpacingFactor = atof(argv[i]);
}
else if (!strcmp(argv[i], "-h")) {
usage(0);
/* NOTREACHED */
}
else if (!strcmp(argv[i], "-L")) {
++i;
license = argv[i];
}
else {
break;
}
}
if((argc - i) != 2) {
usage(1);
/* NOTREACHED */
}
fTtf = argv[i++];
fLff = argv[i];
std::cout << "TTF file: " << fTtf.c_str() << "\n";
std::cout << "LFF file: " << fLff.c_str() << "\n";
ret = 0;
// init freetype
error = FT_Init_FreeType(&library);
if (error) {
std::cerr << "FT_Init_FreeType: " << FT_StrError(error) << std::endl;
ret = 1;
}
else {
// load ttf font
error = FT_New_Face(library,
fTtf.c_str(),
0,
&face);
if (error) {
std::cerr << "FT_New_Face: " << fTtf << ": " << FT_StrError(error) << std::endl;
ret = 1;
}
else {
std::cout << "Family: " << face->family_name << "\n";
std::cout << "Height: " << face->height << "\n";
std::cout << "Ascender: " << face->ascender << "\n";
std::cout << "Descender: " << face->descender << "\n";
name = face->family_name;
// find out height by tracing 'A'
yMax = -1000;
convertGlyph(65);
factor = 1.0/(1.0/9.0*yMax);
std::cout << "Factor: " << factor << "\n";
// write font file:
fpLff = fopen(fLff.c_str(), "wt");
if (fpLff==NULL) {
std::cerr << "Can not open " << fLff.c_str() << ": " << strerror(errno) << std::endl;
ret = 2;
}
else {
snprintf(numFormat,8,"%%.%if", precision);
// write font header
fprintf(fpLff, "# Format: LibreCAD Font 1\n");
fprintf(fpLff, "# Creator: ttf2lff\n");
fprintf(fpLff, "# Version: 1\n");
fprintf(fpLff, "# Name: %s\n", name.c_str());
fprintf(fpLff, "# LetterSpacing: %s\n", clearZeros(letterSpacing).c_str());
fprintf(fpLff, "# WordSpacing: %s\n", clearZeros(wordSpacing).c_str());
fprintf(fpLff, "# LineSpacingFactor: %s\n", clearZeros(lineSpacingFactor).c_str());
time_t rawtime;
struct tm * timeinfo;
char buffer [12];
time ( &rawtime );
timeinfo = localtime ( &rawtime );
strftime (buffer,sizeof(buffer),"%Y-%m-%d",timeinfo);
fprintf(fpLff, "# Created: %s\n", buffer);
fprintf(fpLff, "# Last modified: %s\n", buffer);
fprintf(fpLff, "# Author: %s\n", author.c_str());
fprintf(fpLff, "# License: %s\n", license.c_str());
fprintf(fpLff, "\n");
unsigned first;
FT_Get_First_Char(face, &first);
FT_ULong charcode;
FT_UInt gindex;
// iterate through glyphs
charcode = FT_Get_First_Char( face, &gindex );
while (gindex != 0) {
convertGlyph(charcode);
charcode = FT_Get_Next_Char(face, charcode, &gindex);
}
}
}
}
if (face) {
FT_Done_Face(face);
}
if (library) {
FT_Done_Library(library);
}
return ret;
}