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/*
* ***** BEGIN GPL 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.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* Contributor(s): 2004-2006 Blender Foundation, full recode
*
* ***** END GPL/BL DUAL LICENSE BLOCK *****
*/
/** \file blender/render/intern/include/pixelblending.h
* \ingroup render
*/
#ifndef __PIXELBLENDING_H__
#define __PIXELBLENDING_H__
/**
* add 1 pixel to into filtered three lines
* (float vecs to float vec)
*/
void add_filt_fmask(unsigned int mask, const float col[4], float *rowbuf, int row_w);
void add_filt_fmask_pixsize(unsigned int mask, float *in, float *rowbuf, int row_w, int pixsize);
void add_filt_fmask_coord(float filt[3][3], const float col[4], float *rowbuf, int row_stride, int x, int y, rcti *mask);
void mask_array(unsigned int mask, float filt[3][3]);
/**
* Alpha-over blending for floats.
*/
void addAlphaOverFloat(float dest[4], const float source[4]);
/**
* Alpha-under blending for floats.
*/
void addAlphaUnderFloat(float dest[4], const float source[4]);
/**
* Same for floats
*/
void addalphaAddfacFloat(float dest[4], const float source[4], char addfac);
/**
* dest = dest + source
*/
void addalphaAddFloat(float dest[4], const float source[4]);
#endif /* __PIXELBLENDING_H__ */
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