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/**
*
* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version. The Blender
* Foundation also sells licenses for use in proprietary software under
* the Blender License. See http://www.blender.org/BL/ for information
* about this.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL/BL DUAL LICENSE BLOCK *****
* allocimbuf.c
*
* $Id$
*/
#include "BLI_blenlib.h"
#include "imbuf.h"
#include "imbuf_patch.h"
#include "IMB_imbuf_types.h"
#include "IMB_imbuf.h"
#include "IMB_divers.h"
void imb_checkncols(struct ImBuf *ibuf)
/* struct ImBuf *ibuf; */
{
unsigned int i;
if (ibuf==0) return;
if (IS_amiga(ibuf)){
if (IS_ham(ibuf)){
if (ibuf->depth == 0) ibuf->depth = 6;
ibuf->mincol = 0;
ibuf->maxcol = 1 << (ibuf->depth - 2);
/*printf("%d %d\n", ibuf->maxcol, ibuf->depth);*/
return;
} else if (IS_hbrite(ibuf)){
ibuf->mincol = 0;
ibuf->maxcol = 64;
ibuf->depth = 6;
return;
}
}
if (ibuf->maxcol == 0){
if (ibuf->depth <= 8){
ibuf->mincol = 0;
ibuf->maxcol = (1 << ibuf->depth);
return;
} else if (ibuf->depth == 0){
ibuf->depth = 5;
ibuf->mincol = 0;
ibuf->maxcol = 32;
}
return;
} else {
/* ibuf->maxcol is bepalend voor de diepte */
for (i=1 ; ibuf->maxcol > (1 << i); i++);
ibuf->depth = i;
return;
}
}
void IMB_de_interlace(struct ImBuf *ibuf)
{
struct ImBuf * tbuf1, * tbuf2;
/* extern rectcpy(); */
if (ibuf == 0) return;
if (ibuf->flags & IB_fields) return;
ibuf->flags |= IB_fields;
if (ibuf->rect) {
/* kopieen aanmaken */
tbuf1 = IMB_allocImBuf(ibuf->x, ibuf->y / 2, 32, IB_rect, 0);
tbuf2 = IMB_allocImBuf(ibuf->x, ibuf->y / 2, 32, IB_rect, 0);
ibuf->x *= 2;
/* Functions need more args :( */
/* rectop(tbuf1, ibuf, 0, 0, 0, 0, 32767, 32767, rectcpy); */
/* rectop(tbuf2, ibuf, 0, 0, tbuf2->x, 0, 32767, 32767, rectcpy); */
IMB_rectop(tbuf1, ibuf, 0, 0, 0, 0, 32767, 32767, IMB_rectcpy, 0);
IMB_rectop(tbuf2, ibuf, 0, 0, tbuf2->x, 0, 32767, 32767, IMB_rectcpy, 0);
ibuf->x /= 2;
/* rectop(ibuf, tbuf1, 0, 0, 0, 0, 32767, 32767, rectcpy); */
/* rectop(ibuf, tbuf2, 0, tbuf2->y, 0, 0, 32767, 32767, rectcpy); */
IMB_rectop(ibuf, tbuf1, 0, 0, 0, 0, 32767, 32767, IMB_rectcpy, 0);
IMB_rectop(ibuf, tbuf2, 0, tbuf2->y, 0, 0, 32767, 32767, IMB_rectcpy, 0);
IMB_freeImBuf(tbuf1);
IMB_freeImBuf(tbuf2);
}
ibuf->y /= 2;
}
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