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void IMB_flipy ( struct ImBuf ibuf  ) 

Attention:
Defined in rotate.c
***** 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 ***** rotate.c

Id
rotate.c,v 1.3 2002/11/25 12:02:00 mein Exp

Definition at line 51 of file rotate.c.

References IMB_flipy(), ImBuf::rect, ImBuf::x, and ImBuf::y.

Referenced by IMB_anim_absolute(), IMB_flipy(), and IMB_saveiff().

{
      short x,y,backx;
      unsigned int *top,*bottom,temp;

      if (ibuf == 0) return;
      if (ibuf->rect == 0) return;

      x = ibuf->x;
      y = ibuf->y;
      backx = x<<1;

      top = ibuf->rect;
      bottom = top + ((y-1) * x);
      y >>= 1;

      for(;y>0;y--){
            for(x = ibuf->x; x > 0; x--){
                  temp = *top;
                  *(top++) = *bottom;
                  *(bottom++) = temp;
            }
            bottom -= backx;
      }
}


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