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/* Copyright (c) 1998 Silicon Graphics, Inc. */ |
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#ifndef lint |
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< |
static char SCCSid[] = "$SunId$ SGI"; |
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static const char RCSid[] = "$Id$"; |
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#endif |
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/* |
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* sm_samp.c |
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*/ |
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/* get number of samples that fit in block */ |
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n = (i - 8 - extra_points*POINTSIZ) / SAMPSIZ; |
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/* Must make sure n + extra_points can fit in a S_ID identifier */ |
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if ( n > (S_ID_MAX - extra_points)) |
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n = (S_ID_MAX - extra_points); |
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S_BASE(s) = (char *)malloc(n*SAMPSIZ + extra_points*POINTSIZ); |
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if (!S_BASE(s)) |
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error(SYSTEM,"sAlloc(): Unable to allocate memory"); |
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is added: These points are not displayed-they are used to form the |
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initial mesh |
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*/ |
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int |
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S_ID |
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sAdd_base_point(s,v) |
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SAMP *s; |
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FVECT v; |
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{ |
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int id; |
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S_ID id; |
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/* Get pointer to next available point */ |
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id = S_NEXT_BASE_PT(s); |
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int |
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sCopy_samp(s,n_id,id) |
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SAMP *s; |
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int n_id,id; |
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S_ID n_id,id; |
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{ |
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#ifdef DEBUG |
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void |
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sInit_samp(s,id,c,d,p,o_id) |
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SAMP *s; |
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int id; |
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S_ID id; |
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COLR c; |
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FVECT d,p; |
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int o_id; |
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S_ID o_id; |
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{ |
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if(o_id != INVALID) |
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/* calculate the brightness and chrominance,RGB will be set by |
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tonemapping |
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*/ |
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#ifndef TEST_DRIVER |
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tmCvColrs(&S_NTH_BRT(s,id),S_NTH_CHR(s,id),c,1); |
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#endif |
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} |
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/* Set ACTIVE bit upon creation */ |
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S_SET_FLAG(id); |
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/* Allocate a new sample. If an existing sample was replaced: set flag */ |
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int |
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S_ID |
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sAlloc_samp(s,replaced) |
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SAMP *s; |
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int *replaced; |
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{ |
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int id; |
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S_ID id; |
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/* First check if there are any freed sample available */ |
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if((id = S_FREE_SAMP(s)) != INVALID) |
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*replaced = 1; |
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return(id); |
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} |
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