void InitVF(struct font_entry * tfontp)
{
struct stat stat;
unsigned char* position;
int length;
struct vf_char *tcharptr;
uint32_t c=0;
struct font_num *tfontnump; /* temporary font_num pointer */
DEBUG_PRINTF((DEBUG_DVI|DEBUG_VF),"\n OPEN FONT:\t'%s'", tfontp->name);
Message(BE_VERBOSE,"<%s>", tfontp->name);
if ((tfontp->filedes = open(tfontp->name,O_RDONLY)) == -1)
Warning("font file %s could not be opened", tfontp->name);
fstat(tfontp->filedes,&stat);
tfontp->mmap = mmap(NULL,stat.st_size,
PROT_READ, MAP_SHARED,tfontp->filedes,0);
if (tfontp->mmap == (unsigned char *)-1)
Fatal("cannot mmap VF file <%s> !\n",currentfont->name);
if (*(tfontp->mmap) != PRE)
Fatal("unknown font format in file <%s> !\n",currentfont->name);
if (*(tfontp->mmap+1) != VF_ID)
Fatal( "wrong version of vf file! (%d should be 202)\n",
(int)*(tfontp->mmap+1));
DEBUG_PRINTF2(DEBUG_VF,"\n VF_PRE:\t'%.*s'",
(int)*(tfontp->mmap+2), tfontp->mmap+3);
position = tfontp->mmap+3 + *(tfontp->mmap+2);
c=UNumRead(position, 4);
DEBUG_PRINTF(DEBUG_VF," %d", c);
CheckChecksum (tfontp->c, c, tfontp->name);
tfontp->designsize = UNumRead(position+4,4);
DEBUG_PRINTF(DEBUG_VF," %d", tfontp->designsize);
tfontp->type = FONT_TYPE_VF;
tfontp->vffontnump=NULL;
/* Read font definitions */
position += 8;
while(*position >= FNT_DEF1 && *position <= FNT_DEF4) {
DEBUG_PRINTF2(DEBUG_VF,"\n @%ld VF:\t%s",
(long)(position - tfontp->mmap),
dvi_commands[*position]);
FontDef(position,tfontp);
length = dvi_commandlength[*position];
position += length + *(position + length-1) + *(position+length-2);
}
/* Default font is the first defined */
tfontnump = tfontp->vffontnump;
while (tfontnump->next != NULL) {
tfontnump = tfontnump->next;
}
tfontp->defaultfont=tfontnump->k;
/* Read char definitions */
while(*position < FNT_DEF1) {
DEBUG_PRINTF(DEBUG_VF,"\n@%ld VF CHAR:\t",
(long)(position - tfontp->mmap));
tcharptr=xmalloc(sizeof(struct vf_char));
switch (*position) {
case LONG_CHAR:
tcharptr->length = UNumRead(position+1,4);
c = UNumRead(position+5,4);
tcharptr->tfmw = UNumRead(position+9,4);
position += 13;
break;
default:
tcharptr->length = UNumRead(position,1);
c = UNumRead(position+1,1);
tcharptr->tfmw = UNumRead(position+2,3);
position += 5;
}
DEBUG_PRINTF2(DEBUG_VF,"%d %d",tcharptr->length,c);
DEBUG_PRINTF(DEBUG_VF," %d",tcharptr->tfmw);
tcharptr->tfmw = (int32_t)
((int64_t) tcharptr->tfmw * tfontp->s / (1 << 20));
DEBUG_PRINTF(DEBUG_VF," (%d)",tcharptr->tfmw);
if (c > NFNTCHARS) /* Only positive for now */
Fatal("vf character exceeds numbering limit");
tfontp->chr[c] = tcharptr;
tcharptr->mmap=position;
position += tcharptr->length;
}
}
void FontSelectFrame::setFontsDirectory(QString dir_name) {
if (m_config) m_config->setPath(dir_name);
m_database.clear();
ui->lineEditFontsDir->setText(dir_name);
FT_Library library = 0;
int error = FT_Init_FreeType(&library);
if (error) {
qDebug() << "FT_Open_Library error " << error;
return;
}
QDir dir(dir_name);
QStringList files = dir.entryList(
QStringList()
<< "*.ttf"
<< "*.pcf"
<< "*.ttc"
<< "*.pcf.gz"
<< "*.otf",
QDir::Files | QDir::Readable
);
QProgressDialog* progress = 0;
if (!files.isEmpty()) {
progress = new QProgressDialog(
tr("Scanning directory.."),
tr("Cancel"),
0,files.size(),this);
progress->setCancelButton(0);
progress->setWindowModality(Qt::WindowModal);
//progress->show();
}
int progress_val = 0;
foreach (QString file_name, files) {
//qDebug() << "found font file : " << file_name;
QFile file(dir.filePath(file_name));
if (file.open(QFile::ReadOnly)) {
QByteArray bytes = file.readAll();
const FT_Byte* data = reinterpret_cast<const FT_Byte* >(bytes.data());
FT_Face face;
int error = FT_New_Memory_Face(library,
data,bytes.size(),-1,&face);
if (error==0) {
int faces_num = face->num_faces;
FT_Done_Face(face);
for (int face_n = 0;face_n<faces_num;face_n++) {
error = FT_New_Memory_Face(library,
data,bytes.size(),face_n,&face);
/// skip font if load error
if (error!=0) continue;
QString family = face->family_name;
//qDebug() << "face " << family << " "
// << face->style_name;
/// skip font if not have family
if (family.isEmpty()) continue;
bool fixedsizes = (FT_FACE_FLAG_SCALABLE & face->face_flags ) == 0;
m_database[face->family_name].push_back(
FontDef(face->style_name,
file_name,
face_n,
fixedsizes));
if (fixedsizes) {
for (int i=0;i<face->num_fixed_sizes;i++) {
m_database[family].back().fixedsizes.push_back(
QPair<int,int>(
face->available_sizes[i].width,
face->available_sizes[i].height));
}
qDebug() << " fixed sizes " << m_database[family].back().fixedsizes;
}
FT_Done_Face(face);
}
}
}
progress_val++;
progress->setValue(progress_val);
}
