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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2001-2002 NaN Holding BV. All rights reserved. */
/** \file
* \ingroup imbuf
* \brief Function declarations for filter.c
*/
#pragma once
struct ImBuf;
void imb_filterx(struct ImBuf *ibuf);
void IMB_premultiply_rect(unsigned int *rect, char planes, int w, int h);
void IMB_premultiply_rect_float(float *rect_float, int channels, int w, int h);
void IMB_unpremultiply_rect(unsigned int *rect, char planes, int w, int h);
void IMB_unpremultiply_rect_float(float *rect_float, int channels, int w, int h);
/**
* Result in ibuf2, scaling should be done correctly.
*/
void imb_onehalf_no_alloc(struct ImBuf *ibuf2, struct ImBuf *ibuf1);
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