/*
* Flips the text buffer, according to max level, and
* all higher levels
*
* Input:
* from: text buffer, on which to apply flipping
* level: resolved levels buffer
* max: the maximum level found in this line (should be unsigned char)
* count: line size in wchar_t
*/
void flipThisRun(BLOCKTYPE from, unsigned char* level, int max, int count, int * v2l)
{
int i, j, rcount, tlevel, tempInt;
CHARTYPE temp;
j = i = 0;
while(i<count && j<count)
{
/* find the start of the run of level=max */
tlevel = max;
i = j = findIndexOfRun(level, i, count, max);
/* find the end of the run */
while((tlevel <= level[i]) && (i < count))
{
i++;
}
rcount = i-j;
for(; rcount>((i-j)/2); rcount--)
{
temp = GETCHAR(from, j+rcount-1);
GETCHAR(from, j+rcount-1) = GETCHAR(from, i-rcount);
GETCHAR(from, i-rcount) = temp;
if(v2l)
{
tempInt = v2l[j+rcount-1];
v2l[j+rcount-1] = v2l[i-rcount];
v2l[i-rcount] = tempInt;
}
}
}
}
/*
* Flips the text buffer, according to max level, and
* all higher levels
*
* Input:
* from: text buffer, on which to apply flipping
* level: resolved levels buffer
* max: the maximum level found in this line (should be uchar)
* count: line size in bidi_char
*/
static void
flipThisRun(bidi_char * from, uchar * level, int max, int count)
{
int i, j, k, tlevel;
bidi_char temp;
j = i = 0;
while (i < count && j < count) {
/* find the start of the run of level=max */
tlevel = max;
i = j = findIndexOfRun(level, i, count, max);
/* find the end of the run */
while (i < count && tlevel <= level[i]) {
i++;
}
for (k = i - 1; k > j; k--, j++) {
temp = from[k];
from[k] = from[j];
from[j] = temp;
}
}
}
