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RadiancePmap/freeobjmem.c
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freeobjmem.c
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#ifndef lint
static const char RCSid[] = "$Id: freeobjmem.c,v 2.9 2013/12/09 17:56:25 greg Exp $";
#endif
/*
* Free memory associated with object(s)
*
* External symbols declared in ray.h
*/
#include "copyright.h"
#include "ray.h"
#include "otypes.h"
#include "rtotypes.h"
#include "bsdf.h"
#include "face.h"
#include "cone.h"
#include "instance.h"
#include "data.h"
#include "font.h"
#include "func.h"
#include "mesh.h"
int
free_os( /* free unneeded memory for object */
OBJREC *op
)
{
if (op->os == NULL)
return(0);
if (hasfunc(op->otype)) {
freefunc(op);
return(1);
}
switch (op->otype) {
case OBJ_FACE: /* polygon */
freeface(op);
return(1);
case OBJ_CONE: /* cone */
case OBJ_RING: /* disk */
case OBJ_CYLINDER: /* cylinder */
case OBJ_CUP: /* inverted cone */
case OBJ_TUBE: /* inverted cylinder */
freecone(op);
return(1);
case OBJ_INSTANCE: /* octree instance */
freeinstance(op);
return(1);
case OBJ_MESH: /* mesh instance */
freemeshinst(op);
return(1);
case PAT_BTEXT: /* monochromatic text */
case PAT_CTEXT: /* colored text */
case MIX_TEXT: /* mixing text */
freetext(op);
return(1);
case MAT_CLIP: /* clipping surface */
case MAT_SPOT: /* spot light source */
free((void *)op->os);
op->os = NULL;
return(1);
}
#ifdef DEBUG
objerror(op, WARNING, "cannot free structure");
#endif
return(0);
}
int
free_objs( /* free some object structures */
OBJECT on,
OBJECT no
)
{
int nfreed;
OBJREC *op;
for (nfreed = 0; no-- > 0; on++) {
op = objptr(on);
if (op->os != NULL)
nfreed += free_os(op);
}
return(nfreed);
}
void
free_objmem(void) /* free all object cache memory */
{
free_objs(0, nobjects);
freedata(NULL);
freefont(NULL);
SDfreeCache(NULL);
}
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