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/* |
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Teem: Tools to process and visualize scientific data and images . |
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Copyright (C) 2013, 2012, 2011, 2010, 2009 University of Chicago |
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Copyright (C) 2008, 2007, 2006, 2005 Gordon Kindlmann |
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Copyright (C) 2004, 2003, 2002, 2001, 2000, 1999, 1998 University of Utah |
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This library is free software; you can redistribute it and/or |
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modify it under the terms of the GNU Lesser General Public License |
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(LGPL) as published by the Free Software Foundation; either |
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version 2.1 of the License, or (at your option) any later version. |
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The terms of redistributing and/or modifying this software also |
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include exceptions to the LGPL that facilitate static linking. |
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This library is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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Lesser General Public License for more details. |
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You should have received a copy of the GNU Lesser General Public License |
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along with this library; if not, write to Free Software Foundation, Inc., |
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "nrrd.h" |
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#include "privateNrrd.h" |
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NrrdIter * |
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nrrdIterNew() { |
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NrrdIter *iter; |
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✓✗ |
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if ( (iter = (NrrdIter *)calloc(1, sizeof(NrrdIter))) ) { |
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iter->nrrd = NULL; |
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iter->ownNrrd = NULL; |
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iter->val = AIR_NAN; |
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iter->size = 0; |
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iter->data = NULL; |
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iter->left = 0; |
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iter->load = NULL; |
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} |
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return iter; |
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} |
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void |
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nrrdIterSetValue(NrrdIter *iter, double val) { |
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✓✗ |
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if (iter) { |
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iter->nrrd = NULL; |
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✗✓ |
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iter->ownNrrd = iter->ownNrrd ? nrrdNuke(iter->ownNrrd) : NULL; |
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iter->val = val; |
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iter->size = nrrdTypeSize[nrrdTypeDouble]; |
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iter->data = (char*)&(iter->val); |
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iter->left = 0; |
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iter->load = nrrdDLoad[nrrdTypeDouble]; |
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} |
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return; |
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} |
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void |
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nrrdIterSetNrrd(NrrdIter *iter, const Nrrd *nrrd) { |
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✓✗✓✗
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if (iter && nrrd && nrrd->data) { |
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✗✓ |
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if (nrrdTypeBlock == nrrd->type) { |
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/* we can't deal */ |
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nrrdIterSetValue(iter, AIR_NAN); |
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return; |
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} |
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iter->nrrd = nrrd; |
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✗✓ |
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iter->ownNrrd = iter->ownNrrd ? nrrdNuke(iter->ownNrrd) : NULL; |
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iter->val = AIR_NAN; |
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iter->size = nrrdTypeSize[nrrd->type]; |
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iter->data = (char *)nrrd->data; |
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iter->left = nrrdElementNumber(nrrd)-1; |
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iter->load = nrrdDLoad[nrrd->type]; |
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} |
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return; |
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} |
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/* |
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** formerly known as nrrdIterSetNrrd |
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*/ |
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void |
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nrrdIterSetOwnNrrd(NrrdIter *iter, Nrrd *nrrd) { |
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if (iter && nrrd && nrrd->data) { |
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if (nrrdTypeBlock == nrrd->type) { |
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/* we can't deal */ |
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nrrdIterSetValue(iter, AIR_NAN); |
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return; |
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} |
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iter->nrrd = NULL; |
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iter->ownNrrd = iter->ownNrrd ? nrrdNuke(iter->ownNrrd) : NULL; |
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iter->ownNrrd = nrrd; |
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iter->val = AIR_NAN; |
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iter->size = nrrdTypeSize[nrrd->type]; |
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iter->data = (char *)nrrd->data; |
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iter->left = nrrdElementNumber(nrrd)-1; |
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iter->load = nrrdDLoad[nrrd->type]; |
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} |
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return; |
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} |
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double |
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nrrdIterValue(NrrdIter *iter) { |
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double ret = 0.0; |
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✓✗ |
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if (iter) { |
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12453120 |
ret = iter->load(iter->data); |
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✓✓✗✓
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if (iter->nrrd || iter->ownNrrd) { |
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iter->data += iter->size; |
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✓✓ |
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if (iter->left) { |
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iter->left -= 1; |
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} else { |
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✓✗ |
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iter->data = (char *)(_NRRD_ITER_NRRD(iter)->data); |
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✓✗ |
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iter->left = nrrdElementNumber(_NRRD_ITER_NRRD(iter))-1; |
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} |
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} |
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} |
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12453120 |
return ret; |
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} |
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/* |
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******** nrrdIterContent() |
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** |
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** ALLOCATES a string that is either the nrrd's content (or |
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** nrrdStateUnknownContent) or a string version of the value; useful |
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** for when you's use the "content" of a nrrd |
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*/ |
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char * |
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nrrdIterContent(NrrdIter *iter) { |
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char *ret, buff[AIR_STRLEN_SMALL]; |
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ret = NULL; |
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✓✗ |
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if (iter) { |
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✓✓✓✗
✗✓ |
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if (_NRRD_ITER_NRRD(iter)) { |
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✓✗ |
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ret = _nrrdContentGet(_NRRD_ITER_NRRD(iter)); |
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} else { |
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airSinglePrintf(NULL, buff, "%g", iter->val); |
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ret = airStrdup(buff); |
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} |
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} |
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return ret; |
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} |
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NrrdIter * |
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nrrdIterNix(NrrdIter *iter) { |
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✓✗ |
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if (iter) { |
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✗✓ |
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if (iter->ownNrrd) { |
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iter->ownNrrd = nrrdNuke(iter->ownNrrd); |
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} |
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free(iter); |
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} |
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return NULL; |
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} |
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