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#include <Xw_Extension.h>
/* ifdef then trace on */
#ifdef TRACE
#define TRACE_SET_LINE_ATTRIB
#define TRACE_GET_LINE_ATTRIB
#endif
/*
XW_ATTRIB Xw_set_line_attrib (awindow,color,type,width,mode):
XW_EXT_WINDOW *awindow
int color ; Color index to used 0 >= x < MAXCOLOR
int type ; Type index to used 0 >= x < MAXTYPE
int width ; Width index to used 0 >= x < MAXWIDTH
XW_DRAWMODE mode ; Draw Mode must be one of DRAWMODE enum
Set Line Color,Type and Width current graphic attrib .
Returns Selected Line Graphic Attribute Index if successful
Returns 0 if Bad Color,Type or Width Index
*/
#ifdef XW_PROTOTYPE
XW_ATTRIB Xw_set_line_attrib (void *awindow,int color,int type,int width,XW_DRAWMODE mode)
#else
XW_ATTRIB Xw_set_line_attrib (awindow,color,type,width,mode)
void *awindow;
int color,type,width ;
XW_DRAWMODE mode ;
#endif /*XW_PROTOTYPE*/
{
XW_EXT_WINDOW *pwindow = (XW_EXT_WINDOW*)awindow;
XGCValues gc_values ;
XW_ATTRIB code ;
int i,j,k,function,mask = 0 ;
unsigned long planemask,hcolor ;
if( !Xw_isdefine_window(pwindow) ) {
/*ERROR*Bad EXT_WINDOW Address*/
Xw_set_error(24,"Xw_set_line_attrib",pwindow) ;
return (0) ;
}
if( _BINDEX > 0 ) return (1) ;
if ( !Xw_isdefine_color(_COLORMAP,color) ) {
/*ERROR*Bad Defined Color*/
Xw_set_error(41,"Xw_set_line_attrib",&color) ;
return (0) ;
}
if ( !Xw_isdefine_type(_TYPEMAP,type) ) {
/*WARNING*Bad Defined Type*/
Xw_set_error(50,"Xw_set_line_attrib",&type) ;
type = 0 ;
}
if ( !Xw_isdefine_width(_WIDTHMAP,width) ) {
/*WARNING*Bad Defined Width*/
Xw_set_error(52,"Xw_set_line_attrib",&width) ;
width = 0 ;
}
if( !_TYPEMAP || !_TYPEMAP->types[type] ) type = 0 ;
if( !_WIDTHMAP || (_WIDTHMAP->widths[width] <= 1) ) width = 0 ;
code = QGCODE(color,type,width,mode) ;
if( code == pwindow->qgline[pwindow->lineindex].code ) {
/* The last index computed is already set*/
pwindow->qgline[pwindow->lineindex].count++ ;
return (pwindow->lineindex+1) ;
}
for( i=j=0,k=MAXQG ; i<MAXQG ; i++ ) {
if( code == pwindow->qgline[i].code ) k = i ;
if( pwindow->qgline[i].count < pwindow->qgline[j].count ) j = i;
}
if( k < MAXQG ) {
/* A GC index already exist,use it */
pwindow->lineindex = k ;
pwindow->qgline[k].count++ ;
return (k+1) ;
}
pwindow->lineindex = j ;
pwindow->qgline[j].count = 1 ;
Xw_get_color_attrib(pwindow,mode,color,&hcolor,&function,&planemask);
if( mode != QGMODE(pwindow->qgline[j].code) ) {
mask |= GCFunction | GCPlaneMask | GCForeground ;
gc_values.function = function ;
gc_values.plane_mask = planemask ;
gc_values.foreground = hcolor ;
} else if( color != QGCOLOR(pwindow->qgline[j].code) ) {
mask |= GCForeground ;
gc_values.foreground = hcolor ;
}
if( width != QGWIDTH(pwindow->qgline[j].code) ) {
mask |= GCLineWidth ;
if( width > 0 ) {
gc_values.line_width = (_WIDTHMAP->widths[width] > 1) ?
_WIDTHMAP->widths[width] : 0 ;
} else {
gc_values.line_width = 0 ;
}
}
if( type != QGTYPE(pwindow->qgline[j].code) ) {
mask |= GCLineStyle ;
if( type > 0 ) {
gc_values.line_style = LineOnOffDash ;
XSetDashes(_DISPLAY,pwindow->qgline[j].gc,0,
(char*)_TYPEMAP->types[type],strlen((char*)_TYPEMAP->types[type])) ;
} else {
gc_values.line_style = LineSolid ;
}
}
k = j+1 ;
if( mask ) {
XChangeGC(_DISPLAY,pwindow->qgline[j].gc,mask,&gc_values) ;
pwindow->qgline[j].code = code ;
#ifdef TRACE_SET_LINE_ATTRIB
if( Xw_get_trace() ) {
printf(" %d = Xw_set_line_attrib(%lx,%d,%d,%d,%d)\n",
k,(long ) pwindow,color,type,width,mode) ;
}
#endif
}
return (k) ;
}
/*
XW_ATTRIB Xw_get_poly_attrib (awindow,color,type,width,mode):
XW_EXT_WINDOW *awindow
int *color ; Returns current Color index
int *type ; Returns current Type
int *width ; Returns current Width index
DRAWMODE *mode ; Returns current Draw Mode
Returns Selected Polyline Attribute Index
*/
#ifdef XW_PROTOTYPE
XW_ATTRIB Xw_get_line_attrib (void *awindow,int *color,int *type,int *width,XW_DRAWMODE *mode)
#else
XW_ATTRIB Xw_get_line_attrib (awindow,color,type,width,mode)
void *awindow;
int *color,*width ;
int *type ;
XW_DRAWMODE *mode ;
#endif /*XW_PROTOTYPE*/
{
XW_EXT_WINDOW *pwindow = (XW_EXT_WINDOW*)awindow;
XW_ATTRIB code;
int j;
j = pwindow->lineindex;
code = pwindow->qgline[j].code;
*color = QGCOLOR(code);
*type = QGTYPE(code);
*width = QGWIDTH(code);
*mode = (XW_DRAWMODE) QGMODE(code);
#ifdef TRACE_GET_LINE_ATTRIB
if( Xw_get_trace() > 1 ) {
printf(" %d = Xw_get_line_attrib(%lx,%d,%d,%d,%d)\n",
j+1,(long ) pwindow,*color,*type,*width,*mode) ;
}
#endif
return code;
}
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