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#include "Vlib.h"
#include <string.h>
VColor *
VAllocColor (name)
char *name;
{
return VAllocDepthCueuedColor (name, 0);
}
VColor *
VAllocDepthCueuedColor (name, flag)
char *name;
int flag;
{
VColor *p=_VDefaultWorkContext->VColorList, *prev=0, **q;
/*
* Search for this color among those already allocated.
*/
while (p != (VColor *) 0) {
if (strcmp(p->color_name, name) == 0) {
if ((flag && (p->flags & ColorEnableDepthCueing)) ||
(flag == 0 && p->flags == 0)) {
return p;
}
}
prev = p;
p = p->next;
}
/*
* The color was not in the list; allocate a new list element.
*/
if (prev == (VColor *)0)
q = &_VDefaultWorkContext->VColorList;
else
q = &(prev->next);
*q = (VColor *) Vmalloc (sizeof(VColor));
(*q)->color_name = strdup (name);
(*q)->cIndex = 0;
(*q)->flags = flag ? ColorEnableDepthCueing : 0;
(*q)->next = 0;
return *q;
}
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