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#include <Xw_Extension.h>
/* ifdef then trace on */
#ifdef TRACE
#define TRACE_DEF_HIGHLIGHT_COLOR
#endif
/*
STATUS Xw_def_highlight_color(acolormap,r,g,b):
XW_EXT_COLORMAP *acolormap
float r,g,b ; Red,Green,Blue color value 0. >= x <= 1.
Update Highlight Color index with the specified R,G,B values .
NOTE than highlight color is shared between all Windows
Returns ERROR if Extended Colormap is not properly defined
Returns SUCCESS if Successful
*/
#ifdef XW_PROTOTYPE
XW_STATUS Xw_def_highlight_color (void* acolormap,
float r,float g,float b)
#else
XW_STATUS Xw_def_highlight_color (acolormap,r,g,b)
void *acolormap;
float r,g,b ;
#endif /*XW_PROTOTYPE*/
{
XW_EXT_COLORMAP *pcolormap = (XW_EXT_COLORMAP*)acolormap ;
XColor color ;
int i,cclass,index = -1,isapproximate ;
XW_STATUS status = XW_SUCCESS;
unsigned long highpixel;
if ( !Xw_isdefine_colormap(pcolormap) ) {
/*ERROR*Bad EXT_COLORMAP Address*/
Xw_set_error(42,"Xw_def_highlight_color",pcolormap) ;
return (XW_ERROR) ;
}
if( pcolormap->mapping == Xw_TOM_READONLY ) {
cclass = StaticColor;
} else {
cclass = _CCLASS;
}
switch ( cclass ) {
case TrueColor :
Xw_get_color_pixel(pcolormap,r,g,b,&highpixel,&isapproximate) ;
break ;
case PseudoColor :
if( pcolormap->mapping == Xw_TOM_COLORCUBE ) {
if( (_CGINFO.red_mult > 0) && (fabs(r-g) < 0.01) && (fabs(r-b) < 0.01) ) {
index = (int)(0.5+r*_CGINFO.red_max)*_CGINFO.red_mult;
if( _CINFO.red_max > 0 )
index += (_CINFO.red_max+1)*(_CINFO.green_max+1)*(_CINFO.blue_max+1);
} else if( _CINFO.red_mult > 0 ) {
index = ((int)(0.5+r*_CINFO.red_max))*_CINFO.red_mult+
((int)(0.5+g*_CINFO.green_max))*_CINFO.green_mult+
((int)(0.5+b*_CINFO.blue_max))*_CINFO.blue_mult;
} else if( _CGINFO.red_mult > 0 ) {
float l = (r+g+b)/3.;
index = (int)(0.5+l*_CGINFO.red_max)*_CGINFO.red_mult;
} else {
index = 0;
}
highpixel = _CINFO.base_pixel + index ;
} else if( pcolormap->mapping == Xw_TOM_BESTRAMP ) {
color.red = (unsigned short) (r * 0xFFFF) ;
color.green = (unsigned short) (g * 0xFFFF) ;
color.blue = (unsigned short) (b * 0xFFFF) ;
color.flags = DoRed|DoGreen|DoBlue ;
for( i=0 ; i<pcolormap->maxcolor ; i++ ) {
if( (pcolormap->pixels[i] & 1) &&
((pcolormap->define[i] == FREECOLOR) ||
(pcolormap->define[i] == HIGHCOLOR)) ) {
pcolormap->define[i] = HIGHCOLOR ;
color.pixel = pcolormap->pixels[i] ;
XStoreColor(_CDISPLAY,_CINFO.colormap,&color) ;
}
}
highpixel = pcolormap->pixels[1];
} else if( pcolormap->mapping == Xw_TOM_SIMPLERAMP ) {
Xw_get_color_index(pcolormap,r,g,b,&index) ;
highpixel = _CINFO.base_pixel + index ;
}
break ;
case StaticColor :
status = Xw_alloc_color(pcolormap,r,g,b,&highpixel,&isapproximate) ;
break ;
}
if( status ) {
if( index >= 0 ) {
pcolormap->define[index] = HIGHCOLOR ;
}
pcolormap->highpixel = highpixel ;
#ifdef BUG_PRO3709
Xw_reset_attrib(NULL) ;
#endif
}
#ifdef TRACE_DEF_HIGHLIGHT_COLOR
if( Xw_get_trace() ) {
printf(" %d = Xw_def_highlight_color(%lx,%f,%f,%f)\n",status,(long ) pcolormap,r,g,b) ;
}
#endif
return (status);
}
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