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#include <Xw_Extension.h>
/* ifdef then trace on */
#ifdef TRACE
#define TRACE_DEF_FONTMAP
#endif
/*
XW_EXT_FONTMAP* Xw_def_fontmap(adisplay,nfont):
XW_EXT_DISPLAY *adisplay Extended Display structure
int nfont Number of font cells to be allocated
Create a fontmap extension
allocate the font cells in the fontmap as if possible
depending of the MAXFONT define .
Returns Fontmap extension address if successuful
or NULL if ERROR
STATUS = Xw_close_fontmap(afontmap)
XW_EXT_FONTMAP* afontmap Extended fontmap
Destroy The Extended TypeMap
Returns ERROR if Bad Extended TypeMap Address
SUCCESS if successfull
*/
#ifdef XW_PROTOTYPE
void* Xw_def_fontmap (void* adisplay,int nfont)
#else
void* Xw_def_fontmap (adisplay,nfont)
void *adisplay ;
int nfont ;
#endif /*XW_PROTOTYPE*/
{
XW_EXT_DISPLAY *pdisplay = (XW_EXT_DISPLAY*)adisplay ;
XW_EXT_FONTMAP *pfontmap = NULL ;
XFontStruct *dfstruct ;
XGCValues values ;
GC gc ;
//int i,font,psize ;
int i,psize ;
char *dfstring = NULL ;
if( !Xw_isdefine_display(pdisplay) ) {
/*ERROR*Bad EXT_DISPLAY Address*/
Xw_set_error(96,"Xw_def_fontmap",pdisplay) ;
return (NULL) ;
}
gc = DefaultGCOfScreen(_DSCREEN) ;
XGetGCValues(_DDISPLAY,gc,GCFont,&values) ;
dfstruct = XQueryFont(_DDISPLAY,XGContextFromGC(gc)) ;
for( i=0 ; i<dfstruct->n_properties ; i++ ) {
if( dfstruct->properties[i].name == XA_FONT ) {
dfstring = XGetAtomName(_DDISPLAY,dfstruct->properties[i].card32) ;
break ;
}
}
if( !(pfontmap = Xw_add_fontmap_structure(sizeof(XW_EXT_FONTMAP))) )
return (NULL) ;
if( nfont <= 0 ) nfont = MAXFONT ;
pfontmap->connexion = pdisplay ;
pfontmap->maxfont = min(nfont,MAXFONT) ;
pfontmap->gnames[0] = (char*) "Defaultfont";
pfontmap->snames[0] = dfstring ;
pfontmap->fonts[0] = dfstruct ;
pfontmap->fonts[0]->fid = values.font ;
psize = (pfontmap->fonts[0])->max_bounds.ascent +
(pfontmap->fonts[0])->max_bounds.descent ;
pfontmap->gsizes[0] = (float)psize*HeightMMOfScreen(_DSCREEN)/
(float)HeightOfScreen(_DSCREEN) ;
pfontmap->fsizes[0] = pfontmap->gsizes[0];
pfontmap->fratios[0] = 0.;
pfontmap->ssizex[0] = pfontmap->ssizey[0] = pfontmap->fsizes[0] ;
pfontmap->gslants[0] = pfontmap->sslants[0] = 0. ;
#ifdef TRACE_DEF_FONTMAP
if( Xw_get_trace() ) {
printf(" %lx = Xw_def_fontmap(%lx,%d)\n", (long ) pfontmap,(long ) adisplay,nfont) ;
}
#endif
return (pfontmap);
}
static XW_EXT_FONTMAP *PfontmapList =NULL ;
#ifdef XW_PROTOTYPE
XW_EXT_FONTMAP* Xw_add_fontmap_structure(int size)
#else
XW_EXT_FONTMAP* Xw_add_fontmap_structure(size)
int size ;
#endif /*XW_PROTOTYPE*/
/*
Create and Insert one Extended fontmap structure in the
EXtended fontmap List
returns Extended fontmap address if successful
or NULL if Bad Allocation
*/
{
XW_EXT_FONTMAP *pfontmap = (XW_EXT_FONTMAP*) Xw_malloc(size) ;
int i ;
if( pfontmap ) {
pfontmap->type = FONTMAP_TYPE ;
pfontmap->link = PfontmapList ;
PfontmapList = pfontmap ;
pfontmap->connexion = NULL ;
pfontmap->maxfont = 0 ;
pfontmap->maxwindow = 0 ;
for( i=0 ; i<MAXFONT ; i++ ) {
pfontmap->gnames[i] = NULL ;
pfontmap->snames[i] = NULL ;
pfontmap->fonts[i] = NULL ;
pfontmap->gsizes[i] = 0. ;
pfontmap->fsizes[i] = 0. ;
pfontmap->ssizex[i] = 0. ;
pfontmap->ssizey[i] = 0. ;
pfontmap->gslants[i] = 0. ;
pfontmap->sslants[i] = 0. ;
pfontmap->fratios[i] = 0. ;
}
} else {
/*EXT_FONTMAP allocation failed*/
Xw_set_error(9,"Xw_add_fontmap_structure",NULL) ;
}
return (pfontmap) ;
}
#ifdef XW_PROTOTYPE
XW_STATUS Xw_close_fontmap(void* afontmap)
#else
XW_STATUS Xw_close_fontmap(afontmap)
void* afontmap ;
#endif /*XW_PROTOTYPE*/
{
XW_EXT_FONTMAP* pfontmap = (XW_EXT_FONTMAP*) afontmap ;
XW_STATUS status ;
if( !Xw_isdefine_fontmap(pfontmap) ) {
/*Bad EXT_FONTMAP Address*/
Xw_set_error(51,"Xw_close_fontmap",pfontmap) ;
return (XW_ERROR) ;
}
status = Xw_del_fontmap_structure(pfontmap) ;
#ifdef TRACE_DEF_FONTMAP
if( Xw_get_trace() ) {
printf(" %d = Xw_close_fontmap(%lx)\n",status,(long ) pfontmap) ;
}
#endif
return (status) ;
}
#ifdef XW_PROTOTYPE
XW_STATUS Xw_del_fontmap_structure(XW_EXT_FONTMAP* afontmap)
#else
XW_STATUS Xw_del_fontmap_structure(afontmap)
XW_EXT_FONTMAP *afontmap;
#endif /*XW_PROTOTYPE*/
/*
Remove the Extended fontmap address from the Extended List
returns ERROR if the fontmap address is not Found in the list
returns SUCCESS if successful
*/
{
XW_EXT_FONTMAP *pfontmap = PfontmapList ;
int i ;
if( !afontmap ) return (XW_ERROR) ;
if( afontmap->maxwindow ) {
return (XW_ERROR) ;
} else {
for( i=1 ; i<MAXFONT ; i++) {
if( afontmap->fonts[i] ) {
if( afontmap->gnames[i] ) Xw_free(afontmap->gnames[i]) ;
if( afontmap->snames[i] ) Xw_free(afontmap->snames[i]) ;
if( afontmap->fonts[i]->fid != afontmap->fonts[0]->fid )
XFreeFont(_FDISPLAY,afontmap->fonts[i]) ;
}
}
if( afontmap == pfontmap ) {
PfontmapList = (XW_EXT_FONTMAP*) afontmap->link ;
} else {
for( ; pfontmap ; pfontmap = (XW_EXT_FONTMAP*) pfontmap->link ) {
if( pfontmap->link == afontmap ) {
pfontmap->link = afontmap->link ;
break ;
}
}
}
Xw_free(afontmap) ;
}
return (XW_SUCCESS) ;
}
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