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#include <Xw_Extension.h>
/* ifdef then trace on */
#ifdef TRACE
#define TRACE_DEF_MARKMAP
#endif
/*
XW_EXT_MARKMAP* Xw_def_markmap(adisplay,nmark):
XW_EXT_DISPLAY *adisplay Extended Display structure
int nmark Number of marker cells to be allocated
Create a markmap extension
allocate the marker cells in the markmap as if possible
depending of the MAXMARKER define .
Returns Markmap extension address if successuful
or NULL if ERROR
*/
#ifdef XW_PROTOTYPE
void* Xw_def_markmap (void* adisplay,int nmark)
#else
void* Xw_def_markmap (adisplay,nmark)
void *adisplay ;
int nmark ;
#endif /*XW_PROTOTYPE*/
{
XW_EXT_DISPLAY *pdisplay = (XW_EXT_DISPLAY*)adisplay ;
XW_EXT_MARKMAP *pmarkmap = NULL ;
//int i ;
if( !Xw_isdefine_display(pdisplay) ) {
/*ERROR*Bad EXT_DISPLAY Address*/
Xw_set_error(96,"Xw_def_markmap",pdisplay) ;
return (NULL) ;
}
if( !(pmarkmap = Xw_add_markmap_structure(sizeof(XW_EXT_MARKMAP))) )
return (NULL) ;
if( nmark <= 0 ) nmark = MAXMARKER ;
pmarkmap->connexion = pdisplay ;
pmarkmap->maxmarker = min(nmark,MAXMARKER) ;
#ifdef TRACE_DEF_MARKMAP
if( Xw_get_trace() ) {
printf(" %lx = Xw_def_markmap(%lx,%d)\n", (long ) pmarkmap,(long ) adisplay,nmark) ;
}
#endif
return (pmarkmap);
}
static XW_EXT_MARKMAP *PmarkmapList =NULL ;
#ifdef XW_PROTOTYPE
XW_EXT_MARKMAP* Xw_add_markmap_structure(int size)
#else
XW_EXT_MARKMAP* Xw_add_markmap_structure(size)
int size ;
#endif /*XW_PROTOTYPE*/
/*
Create and Insert one Extended markmap structure in the
EXtended markmap List
returns Extended markmap address if successful
or NULL if Bad Allocation
*/
{
XW_EXT_MARKMAP *pmarkmap = (XW_EXT_MARKMAP*) Xw_malloc(size) ;
int i ;
if( pmarkmap ) {
pmarkmap->type = MARKMAP_TYPE ;
pmarkmap->link = PmarkmapList ;
PmarkmapList = pmarkmap ;
pmarkmap->connexion = NULL ;
pmarkmap->maxmarker = 0 ;
pmarkmap->maxwindow = 0 ;
for( i=0 ; i<MAXMARKER ; i++ ) {
pmarkmap->marks[i] = 0 ;
pmarkmap->npoint[i] = 0 ;
pmarkmap->width[i] = 0 ;
pmarkmap->height[i] = 0 ;
}
} else {
/*EXT_MARKMAP Allocation failed*/
Xw_set_error(12,"Xw_add_markmap_structure",0) ;
}
return (pmarkmap) ;
}
#ifdef XW_PROTOTYPE
XW_STATUS Xw_close_markmap(void* amarkmap)
#else
XW_STATUS Xw_close_markmap(amarkmap)
void* amarkmap ;
#endif /*XW_PROTOTYPE*/
{
XW_EXT_MARKMAP *pmarkmap = (XW_EXT_MARKMAP*) amarkmap ;
XW_STATUS status ;
if( !Xw_isdefine_markmap(pmarkmap) ) {
/*Bad EXT_MARKMAP Address*/
Xw_set_error(46,"Xw_close_markmap",pmarkmap) ;
return (XW_ERROR) ;
}
status = Xw_del_markmap_structure(pmarkmap) ;
#ifdef TRACE_DEF_MARKMAP
if( Xw_get_trace() ) {
printf(" %d = Xw_close_markmap(%lx)\n",status,(long ) pmarkmap) ;
}
#endif
return (status) ;
}
#ifdef XW_PROTOTYPE
XW_STATUS Xw_del_markmap_structure(XW_EXT_MARKMAP* amarkmap)
#else
XW_STATUS Xw_del_markmap_structure(amarkmap)
XW_EXT_MARKMAP *amarkmap;
#endif /*XW_PROTOTYPE*/
/*
Remove the Extended markmap address from the Extended List
returns ERROR if the markmap address is not Found in the list
returns SUCCESS if successful
*/
{
XW_EXT_MARKMAP *pmarkmap = PmarkmapList ;
int i ;
if( !amarkmap ) return (XW_ERROR) ;
if( amarkmap->maxwindow ) {
return (XW_ERROR) ;
} else {
for( i=0 ; i<MAXMARKER ; i++) {
if( amarkmap->marks[i] ) {
XFreePixmap(_MDISPLAY,amarkmap->marks[i]) ;
// amarkmap->marks[i] = NULL;
amarkmap->marks[i] = 0;
}
if( amarkmap->npoint[i] > 0 ) {
Xw_free(amarkmap->spoint[i]);
Xw_free(amarkmap->xpoint[i]);
Xw_free(amarkmap->ypoint[i]);
amarkmap->npoint[i] = 0;
}
}
if( amarkmap == pmarkmap ) {
PmarkmapList = (XW_EXT_MARKMAP*) amarkmap->link ;
} else {
for( ; pmarkmap ; pmarkmap = (XW_EXT_MARKMAP*) pmarkmap->link ) {
if( pmarkmap->link == amarkmap ) {
pmarkmap->link = amarkmap->link ;
break ;
}
}
}
Xw_free(amarkmap) ;
}
return (XW_SUCCESS) ;
}
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