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/*
* 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.
*/
/** \file blender/render/intern/include/texture.h
* \ingroup render
*/
#ifndef __TEXTURE_H__
#define __TEXTURE_H__
#define BRICONT \
texres->tin= (texres->tin-0.5f) * tex->contrast+tex->bright-0.5f; \
if (!(tex->flag & TEX_NO_CLAMP)) { \
if (texres->tin < 0.0f) texres->tin= 0.0f; \
else if (texres->tin > 1.0f) texres->tin= 1.0f; \
} \
#define BRICONTRGB \
texres->tr= tex->rfac*((texres->tr-0.5f)*tex->contrast+tex->bright-0.5f); \
texres->tg= tex->gfac*((texres->tg-0.5f)*tex->contrast+tex->bright-0.5f); \
texres->tb= tex->bfac*((texres->tb-0.5f)*tex->contrast+tex->bright-0.5f); \
if (!(tex->flag & TEX_NO_CLAMP)) { \
if (texres->tr < 0.0f) texres->tr= 0.0f; \
if (texres->tg < 0.0f) texres->tg= 0.0f; \
if (texres->tb < 0.0f) texres->tb= 0.0f; \
} \
if (tex->saturation != 1.0f) { \
float _hsv[3]; \
rgb_to_hsv(texres->tr, texres->tg, texres->tb, \
_hsv, _hsv+1, _hsv+2); \
_hsv[1] *= tex->saturation; \
hsv_to_rgb(_hsv[0], _hsv[1], _hsv[2], \
&texres->tr, &texres->tg, &texres->tb); \
if ((tex->saturation > 1.0f) && !(tex->flag & TEX_NO_CLAMP)) { \
if (texres->tr < 0.0f) texres->tr= 0.0f; \
if (texres->tg < 0.0f) texres->tg= 0.0f; \
if (texres->tb < 0.0f) texres->tb= 0.0f; \
} \
} \
struct ImBuf;
struct Image;
struct ImagePool;
struct Tex;
struct TexResult;
/* imagetexture.h */
int imagewraposa(struct Tex *tex, struct Image *ima, struct ImBuf *ibuf, const float texvec[3], const float dxt[2], const float dyt[2], struct TexResult *texres, struct ImagePool *pool, const bool skip_load_image);
int imagewrap(struct Tex *tex, struct Image *ima, struct ImBuf *ibuf, const float texvec[3], struct TexResult *texres, struct ImagePool *pool, const bool skip_load_image);
void image_sample(struct Image *ima, float fx, float fy, float dx, float dy, float result[4], struct ImagePool *pool);
#endif /* __TEXTURE_H__ */
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