/*
* For a character style, the UPE.chpx can be constructed by starting with
* the first UPE from the based-on style (std.istdBase).
*/
void
wvInitCHPXFromIstd(CHPX *chpx, U16 istdBase, STSH *stsh) {
if (istdBase == istdNil)
wvInitCHPX(chpx);
else {
if (istdBase >= stsh->Stshi.cstd) {
wvError(
("ISTD out of bounds, requested %d of %d\n",
istdBase, stsh->Stshi.cstd));
wvInitCHPX(chpx); /*it can't hurt to try and start with a blank istd */
return;
} else
wvCopyCHPX(chpx, &(stsh->std[istdBase].grupe[0].chpx));
}
}
/* Character properties
* -basically just like PAPX FKPs above
* however, rather than an array of BX structs in rgbx,
* there is an array of bytes (giving the word offset to the CHPX) in rgb
* -JB
*/
void
wvGetCHPX_FKP (wvVersion ver, CHPX_FKP * fkp, U32 pn, wvStream * fd)
{
int i;
U8 page[WV_PAGESIZE];
U16 pos = 0;
/*size_t bytes_read; */
/* [email protected] */
/* there seem to be a lot of repeat calls... */
/* pn=0 is safe because thats the index block, not a CHPX_FKP */
if (pn != 0 && pn == wvCHPX_pn_previous)
{
memcpy (fkp, &wvCHPX_FKP_previous, sizeof (CHPX_FKP));
return;
}
wvStream_goto (fd, pn * WV_PAGESIZE);
/*bytes_read= */ wvStream_read (page, WV_PAGESIZE, 1, fd);
fkp->crun = (U8) page[WV_PAGESIZE - 1];
wvTrace (("chpx fkp gone to %x\n", pn * WV_PAGESIZE + (WV_PAGESIZE - 1)));
wvTrace (("crun is %d\n", fkp->crun));
fkp->rgfc = (U32 *) wvMalloc (sizeof (U32) * (fkp->crun + 1));
fkp->rgb = (U8 *) wvMalloc (sizeof (U8) * (fkp->crun));
fkp->grpchpx = (CHPX *) wvMalloc (sizeof (CHPX) * (fkp->crun));
wvStream_goto (fd, pn * WV_PAGESIZE);
wvTrace (("offset is %x\n", pn * WV_PAGESIZE));
for (i = 0; i < fkp->crun + 1; i++)
{
fkp->rgfc[i] = bread_32ubit (&(page[pos]), &pos);
wvTrace (("rgfc is %x\n", fkp->rgfc[i]));
}
for (i = 0; i < fkp->crun; i++)
fkp->rgb[i] = bread_8ubit (&(page[pos]), &pos);
for (i = 0; i < fkp->crun; i++)
{
if (fkp->rgb[i] == 0)
{
wvTrace (("i is %d, using clear chpx\n", i));
wvInitCHPX (&(fkp->grpchpx[i]));
}
else
{
wvTrace (
("chpx index i is %d, offset is %x\n", i,
(pn * WV_PAGESIZE) + (fkp->rgb[i] * 2)));
pos = fkp->rgb[i] * 2;
wvGetCHPX (ver, &(fkp->grpchpx[i]), page, &pos);
}
}
if (wvCHPX_pn_previous != 0)
internal_wvReleaseCHPX_FKP (&wvCHPX_FKP_previous);
memcpy (&wvCHPX_FKP_previous, fkp, sizeof (CHPX_FKP));
wvCHPX_pn_previous = pn;
}
