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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
* \ingroup render
*/
#pragma once
#ifdef __cplusplus
extern "C" {
#endif
#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; \
} \
} \
((void)0)
#define BRICONTRGB \
texres->trgba[0] = tex->rfac * \
((texres->trgba[0] - 0.5f) * tex->contrast + tex->bright - 0.5f); \
texres->trgba[1] = tex->gfac * \
((texres->trgba[1] - 0.5f) * tex->contrast + tex->bright - 0.5f); \
texres->trgba[2] = tex->bfac * \
((texres->trgba[2] - 0.5f) * tex->contrast + tex->bright - 0.5f); \
if (!(tex->flag & TEX_NO_CLAMP)) { \
if (texres->trgba[0] < 0.0f) { \
texres->trgba[0] = 0.0f; \
} \
if (texres->trgba[1] < 0.0f) { \
texres->trgba[1] = 0.0f; \
} \
if (texres->trgba[2] < 0.0f) { \
texres->trgba[2] = 0.0f; \
} \
} \
if (tex->saturation != 1.0f) { \
float _hsv[3]; \
rgb_to_hsv(texres->trgba[0], texres->trgba[1], texres->trgba[2], _hsv, _hsv + 1, _hsv + 2); \
_hsv[1] *= tex->saturation; \
hsv_to_rgb( \
_hsv[0], _hsv[1], _hsv[2], &texres->trgba[0], &texres->trgba[1], &texres->trgba[2]); \
if ((tex->saturation > 1.0f) && !(tex->flag & TEX_NO_CLAMP)) { \
if (texres->trgba[0] < 0.0f) { \
texres->trgba[0] = 0.0f; \
} \
if (texres->trgba[1] < 0.0f) { \
texres->trgba[1] = 0.0f; \
} \
if (texres->trgba[2] < 0.0f) { \
texres->trgba[2] = 0.0f; \
} \
} \
} \
((void)0)
struct ImBuf;
struct Image;
struct ImagePool;
struct Tex;
struct TexResult;
/* texture_image.c */
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,
bool skip_load_image);
int imagewrap(struct Tex *tex,
struct Image *ima,
const float texvec[3],
struct TexResult *texres,
struct ImagePool *pool,
bool skip_load_image);
void image_sample(struct Image *ima,
float fx,
float fy,
float dx,
float dy,
float result[4],
struct ImagePool *pool);
#ifdef __cplusplus
}
#endif
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