static void bidi_reverse_buf(unsigned int *str, int len)
{
int i, len2 = len / 2;
for (i = 0; i < len2; i++) {
unsigned int tmp = str[i];
str[i] = fribidi_get_mirror_char(str[len - 1 - i]);
str[len - 1 - i] = fribidi_get_mirror_char(tmp);
}
/* do not forget central char! */
if (len & 1) {
str[len2] = fribidi_get_mirror_char(str[len2]);
}
}
FRIBIDI_ENTRY void
fribidi_shape_mirroring (
/* input */
const FriBidiLevel *embedding_levels,
const FriBidiStrIndex len,
/* input and output */
FriBidiChar *str
)
{
register FriBidiStrIndex i;
DBG ("in fribidi_shape_mirroring");
if UNLIKELY
(len == 0 || !str) return;
fribidi_assert (embedding_levels);
/* L4. Mirror all characters that are in odd levels and have mirrors. */
for (i = len - 1; i >= 0; i--)
if (FRIBIDI_LEVEL_IS_RTL (embedding_levels[i]))
{
FriBidiChar mirrored_ch;
if (fribidi_get_mirror_char (str[i], &mirrored_ch))
str[i] = mirrored_ch;
}
}
fribidi_boolean
fribidi_char_set_enter_cap_rtl (void)
{
if (!caprtl_to_unicode)
{
int request[FRIBIDI_TYPES_COUNT + 1];
int i, count;
caprtl_to_unicode =
(FriBidiChar *) fribidi_malloc (NULL,
CAPRTL_CHARS *
sizeof caprtl_to_unicode[0]);
for (i = 0; i < FRIBIDI_TYPES_COUNT; i++)
request[i] = 0;
for (i = 0; i < CAPRTL_CHARS; i++)
if (fribidi_get_mirror_char (NULL, i, NULL))
caprtl_to_unicode[i] = i;
for (count = 0, i = 0; i < CAPRTL_CHARS; i++)
if (caprtl_to_unicode[i] == 0)
{
request[(unsigned char) CapRTLCharTypes[i]]++;
count++;
}
for (i = 1; i < 0x10000 && count; i++) /* Assign BMP chars to CapRTL entries */
if (!fribidi_get_mirror_char (NULL, i, NULL))
{
int j, k;
for (j = 0; j < FRIBIDI_TYPES_COUNT; j++)
if (fribidi_prop_to_type[j] == fribidi_get_type_internal (i))
break;
if (!request[j]) /* Do not need this type */
continue;
for (k = 0; k < CAPRTL_CHARS; k++)
if (!caprtl_to_unicode[k] && j == CapRTLCharTypes[k])
break;
if (k < CAPRTL_CHARS)
{
request[j]--;
count--;
caprtl_to_unicode[k] = i;
}
}
}
return FRIBIDI_TRUE;
}
void ZLQtPaintContext::drawString(int x, int y, const char *str, int len, bool rtl) {
if (rtl) {
static ZLUnicodeUtil::Ucs2String ucs2Str;
ucs2Str.clear();
ZLUnicodeUtil::utf8ToUcs2(ucs2Str, str, len);
QString qStr;
FriBidiChar ch;
for (int i = ucs2Str.size() - 1; i >= 0; --i) {
fribidi_get_mirror_char(ucs2Str[i], &ch);
qStr.append(QChar(ch));
}
myPainter->drawText(x, y, qStr);
} else {
QString qStr = QString::fromUtf8(str, len);
myPainter->drawText(x, y, qStr);
}
}
gboolean
pangolite_get_mirror_char (gunichar ch, gunichar *mirrored_ch)
{
return fribidi_get_mirror_char (ch, mirrored_ch);
}
static void
init_cap_rtl (
void
)
{
int request[_FRIBIDI_NUM_TYPES];
FriBidiCharType to_type[_FRIBIDI_NUM_TYPES];
int num_types = 0, count = 0;
FriBidiCharType i;
char mark[CAPRTL_CHARS];
caprtl_to_unicode =
(FriBidiChar *) fribidi_malloc (CAPRTL_CHARS *
sizeof caprtl_to_unicode[0]);
for (i = 0; i < CAPRTL_CHARS; i++)
if (CapRTLCharTypes[i] == fribidi_get_bidi_type (i))
{
caprtl_to_unicode[i] = i;
mark[i] = 1;
}
else
{
int j;
caprtl_to_unicode[i] = FRIBIDI_UNICODE_CHARS;
mark[i] = 0;
if (fribidi_get_mirror_char (i, NULL))
{
DBG ("warning: I could not map mirroring character map to itself in CapRTL");
}
for (j = 0; j < num_types; j++)
if (to_type[j] == CapRTLCharTypes[i])
break;
if (j == num_types)
{
num_types++;
to_type[j] = CapRTLCharTypes[i];
request[j] = 0;
}
request[j]++;
count++;
}
for (i = 0; i < 0x10000 && count; i++) /* Assign BMP chars to CapRTL entries */
if (!fribidi_get_mirror_char (i, NULL) && !(i < CAPRTL_CHARS && mark[i]))
{
int j, k;
FriBidiCharType t = fribidi_get_bidi_type (i);
for (j = 0; j < num_types; j++)
if (to_type[j] == t)
break;
if (!request[j]) /* Do not need this type */
continue;
for (k = 0; k < CAPRTL_CHARS; k++)
if (caprtl_to_unicode[k] == FRIBIDI_UNICODE_CHARS
&& to_type[j] == CapRTLCharTypes[k])
{
request[j]--;
count--;
caprtl_to_unicode[k] = i;
break;
}
}
if (count)
{
int j;
DBG ("warning: could not find a mapping for CapRTL to Unicode:");
for (j = 0; j < num_types; j++)
if (request[j])
{
DBG2 (" need this type: %s", fribidi_get_bidi_type_name (to_type[j]));
}
}
}
