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greg |
2.1 |
/* Copyright (c) 1992 Regents of the University of California */
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#ifndef lint
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static char SCCSid[] = "$SunId$ LBL";
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#endif
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/*
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* Free memory associated with object(s)
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*/
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#include "standard.h"
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#include "object.h"
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#include "otypes.h"
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int
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free_os(op) /* free unneeded memory for object */
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register OBJREC *op;
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{
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if (op->os == NULL)
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return(0);
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if (hasfunc(op->otype)) {
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freefunc(op);
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return(1);
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}
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switch (op->otype) {
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case OBJ_FACE: /* polygon */
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freeface(op);
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return(1);
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case OBJ_CONE: /* cone */
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case OBJ_RING: /* disk */
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case OBJ_CYLINDER: /* cylinder */
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case OBJ_CUP: /* inverted cone */
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case OBJ_TUBE: /* inverted cylinder */
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freecone(op);
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return(1);
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case OBJ_INSTANCE: /* octree instance */
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freeinstance(op);
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return(1);
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case PAT_BTEXT: /* monochromatic text */
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case PAT_CTEXT: /* colored text */
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case MIX_TEXT: /* mixing text */
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freetext(op);
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return(1);
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case MAT_CLIP: /* clipping surface */
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free(op->os);
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op->os = NULL;
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return(1);
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case MAT_SPOT: /* spot light source */
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return(0);
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default:
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#ifdef DEBUG
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objerror(op, WARNING, "cannot free structure");
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#endif
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return(0);
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}
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}
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int
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free_objs(on, no, rn) /* free no object structures starting w/ on */
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register OBJECT on;
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OBJECT no;
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long rn;
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{
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int nfreed;
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register OBJREC *op;
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for (nfreed = 0; no-- > 0; on++) {
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op = objptr(on);
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if (op->os != NULL && op->lastrno < rn)
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nfreed += free_os(op);
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}
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return(nfreed);
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}
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free_objmem() /* free all object cache memory */
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{
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extern long raynum;
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free_objs(0, nobjects, raynum);
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freedata(NULL);
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freepict(NULL);
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freefont(NULL);
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}
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