struct rangeinfo *SFUnicodeRanges(SplineFont *sf, enum ur_flags flags) {
int cnt;
int i,j, gid;
struct rangeinfo *ri;
static int initialized = false;
if ( !initialized ) {
initialized = true;
for (i=cnt=0; unicoderange[i].name!=NULL; ++i ) if ( unicoderange[i].display ) {
int top = unicoderange[i].last;
int bottom = unicoderange[i].first;
int cnt = 0;
for ( j=bottom; j<=top; ++j ) {
if ( isunicodepointassigned(j) )
++cnt;
}
if ( cnt==0 )
unicoderange[i].unassigned = true;
unicoderange[i].actual = cnt;
}
}
for (i=cnt=0; unicoderange[i].name!=NULL; ++i )
if ( unicoderange[i].display )
++cnt;
for (i=0; unassignedplanes[i].name!=NULL; ++i )
if ( unassignedplanes[i].display )
++cnt;
cnt+=2; /* for nonunicode, unassigned codes */
ri = gcalloc(cnt+1,sizeof(struct rangeinfo));
for (i=cnt=0; unicoderange[i].name!=NULL; ++i )
if ( unicoderange[i].display )
ri[cnt++].range = &unicoderange[i];
for (i=0; unassignedplanes[i].name!=NULL; ++i )
if ( unassignedplanes[i].display )
ri[cnt++].range = &unassignedplanes[i];
ri[cnt++].range = &nonunicode;
ri[cnt++].range = &unassigned;
for ( j=0; j<cnt-2; ++j ) {
int top = ri[j].range->last;
int bottom = ri[j].range->first;
for ( gid=0; gid<sf->glyphcnt; ++gid ) if ( sf->glyphs[gid]!=NULL ) {
int u=sf->glyphs[gid]->unicodeenc;
if ( u>=bottom && u<=top &&
(ri[j].range->unassigned || isunicodepointassigned(u)) )
++ri[j].cnt;
}
}
/* non unicode glyphs (stylistic variations, etc.) */
for ( gid=0; gid<sf->glyphcnt; ++gid ) if ( sf->glyphs[gid]!=NULL ) {
int u=sf->glyphs[gid]->unicodeenc;
if ( u<0 || u>0x11ffff )
++ri[j].cnt;
}
/* glyphs attached to code points which have not been assigned in */
/* the version of unicode I know about (4.1 when this was written) */
++j;
for ( gid=0; gid<sf->glyphcnt; ++gid ) if ( sf->glyphs[gid]!=NULL ) {
int u=sf->glyphs[gid]->unicodeenc;
if ( u>=0 && u<=0x11ffff && !isunicodepointassigned(u))
++ri[j].cnt;
}
if ( !(flags&ur_includeempty) ) {
for ( i=j=0; i<cnt; ++i ) {
if ( ri[i].cnt!=0 ) {
if ( i!=j )
ri[j] = ri[i];
++j;
}
}
ri[j].range = NULL;
cnt = j;
}
if ( flags&ur_sortbyunicode )
qsort(ri,cnt,sizeof(struct rangeinfo),ucmp);
else if ( flags&ur_sortbyname )
qsort(ri,cnt,sizeof(struct rangeinfo),ncmp);
return( ri );
}
struct rangeinfo *SFUnicodeRanges(SplineFont *sf, enum ur_flags flags) {
/* Find and return the Unicode range descriptions for these characters */
/* Return NULL if out of memory to hold rangeinfo[cnt]. */
int cnt;
int i, gid;
int32 j;
struct rangeinfo *ri;
static int initialized = false;
if ( !initialized ) {
initialized = true;
for (i=cnt=0; unicoderange[i].name!=NULL; ++i ) if ( unicoderange[i].display ) {
int32 top = unicoderange[i].last;
int32 bottom = unicoderange[i].first;
int cnt = 0;
for ( j=bottom; j<=top; ++j ) {
if ( isunicodepointassigned(j) )
++cnt;
}
unicoderange[i].unassigned = (cnt==0);
unicoderange[i].actual = cnt;
}
}
/* count number of ranges to return back in rangeinfo[cnt] */
for (i=cnt=0; unicoderange[i].name!=NULL; ++i )
if ( unicoderange[i].display )
++cnt;
for (i=0; unassignedplanes[i].name!=NULL; ++i )
if ( unassignedplanes[i].display )
++cnt;
cnt+=2; /* for nonunicode, unassigned codes */
/* create memory space needed to return back rangeinfo[cnt] */
if ( (ri=calloc(cnt+1,sizeof(struct rangeinfo)))==NULL ) {
NoMoreMemMessage();
return( NULL );
}
/* populate rangeinfo[0..cnt-1] with unicoderanges we will display */
for (i=cnt=0; unicoderange[i].name!=NULL; ++i )
if ( unicoderange[i].display )
ri[cnt++].range = &unicoderange[i];
for (i=0; unassignedplanes[i].name!=NULL; ++i )
if ( unassignedplanes[i].display )
ri[cnt++].range = &unassignedplanes[i];
ri[cnt++].range = &nonunicode;
ri[cnt++].range = &unassigned;
/* count glyphs in each range */
for ( j=0; j<cnt-2; ++j ) {
int32 top = ri[j].range->last;
int32 bottom = ri[j].range->first;
for ( gid=0; gid<sf->glyphcnt; ++gid ) if ( sf->glyphs[gid]!=NULL ) {
int32 u=sf->glyphs[gid]->unicodeenc;
if ( u>=bottom && u<=top &&
(ri[j].range->unassigned || isunicodepointassigned(u)) )
++ri[j].cnt;
}
}
/* non unicode glyphs (stylistic variations, etc.) */
for ( gid=0; gid<sf->glyphcnt; ++gid ) if ( sf->glyphs[gid]!=NULL ) {
int32 u=sf->glyphs[gid]->unicodeenc;
if ( u<0 || u>0x11ffff )
++ri[j].cnt;
}
/* glyphs attached to code points which have not been assigned in */
/* the version of unicode I know about (4.1 when this was written) */
++j;
for ( gid=0; gid<sf->glyphcnt; ++gid ) if ( sf->glyphs[gid]!=NULL ) {
int32 u=sf->glyphs[gid]->unicodeenc;
if ( u>=0 && u<=0x11ffff && !isunicodepointassigned(u))
++ri[j].cnt;
}
if ( !(flags&ur_includeempty) ) {
for ( i=j=0; i<cnt; ++i ) {
if ( ri[i].cnt!=0 ) {
if ( i!=j )
ri[j] = ri[i];
++j;
}
}
ri[j].range = NULL;
cnt = j;
}
if ( flags&ur_sortbyunicode )
qsort(ri,cnt,sizeof(struct rangeinfo),ucmp); /* sort by ranges */
else if ( flags&ur_sortbyname )
qsort(ri,cnt,sizeof(struct rangeinfo),ncmp); /* sort by names */
return( ri );
}