void CFontStyle::InitTable()
{
int dc = mstrlen(kDefChars);
f_unit_t *w;
fEscapementsCount = 2 * dc;
fEscapements = (EscapementEntry *)calloc(fEscapementsCount, sizeof(EscapementEntry));
FailNil(fEscapements);
w = (f_unit_t *)malloc(dc * sizeof(f_unit_t));
FailNil(w);
fFont.GetEscapements(kDefChars, mstrlen(kDefChars), w);
const char *s = kDefChars;
for (int i = 0; i < dc; i++)
{
int cl = mcharlen(s);
int uc = municode(s);
int ix = uc % fEscapementsCount;
while (fEscapements[ix].unicode != 0)
ix = (ix + 1) % fEscapementsCount;
fEscapements[ix].unicode = uc;
fEscapements[ix].escapement = w[i] * fFont.Size();
s += cl;
}
free(w);
} /* CFontStyle::InitTable */
f_unit_t CFontStyle::operator[](const char *s)
{
int unicode = municode(s);
{
StBenaphore lock(&fLock);
int i = unicode % fEscapementsCount, j = i - 1;
if (j < 0) j+= fEscapementsCount;
ASSERT(j >= 0);
ASSERT(j < fEscapementsCount);
while (true)
{
ASSERT(i >= 0);
ASSERT(i < fEscapementsCount);
if (fEscapements[i].unicode == unicode)
return fEscapements[i].escapement;
if (fEscapements[i].unicode == 0)
{
float w[1];
char buf[10];
int cl = mcharlen(s);
strncpy(buf, s, cl);
buf[cl] = 0;
fFont.GetEscapements(buf, 1, w);
w[0] *= fFont.Size();
fEscapements[i].unicode = unicode;
fEscapements[i].escapement = w[0];
fCharCount++;
if (fCharCount > fEscapementsCount / 2)
ReHash();
return fEscapements[i].escapement;
}
if (i == j) {
break;
}
i = (i + 1) % fEscapementsCount;
}
ReHash();
// printf("recursion for %d\n", unicode);
}
return operator[](s);
} /* CFontStyle::operator[] */
void PTextBuffer::CharInfo(int32 offset, int32& unicode, int32& len) const
{
ASSERT(offset >= 0);
// ASSERT(index <= fLogicalSize);
if (offset >= fLogicalSize || offset < 0)
{
unicode = 0;
len = 1;
}
else
{
char b[8];
Copy(b, offset, std::min((int32)7, fLogicalSize - offset));
b[7] = 0;
len = mcharlen(b);
unicode = municode(b);
}
} /* PTextBuffer::CharInfo */
