110 lines
3.2 KiB
C++
110 lines
3.2 KiB
C++
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*/
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/** \file
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* \ingroup render
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*/
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#pragma once
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define BRICONT \
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texres->tin = (texres->tin - 0.5f) * tex->contrast + tex->bright - 0.5f; \
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if (!(tex->flag & TEX_NO_CLAMP)) { \
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if (texres->tin < 0.0f) { \
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texres->tin = 0.0f; \
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} \
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else if (texres->tin > 1.0f) { \
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texres->tin = 1.0f; \
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} \
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} \
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((void)0)
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#define BRICONTRGB \
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texres->tr = tex->rfac * ((texres->tr - 0.5f) * tex->contrast + tex->bright - 0.5f); \
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texres->tg = tex->gfac * ((texres->tg - 0.5f) * tex->contrast + tex->bright - 0.5f); \
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texres->tb = tex->bfac * ((texres->tb - 0.5f) * tex->contrast + tex->bright - 0.5f); \
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if (!(tex->flag & TEX_NO_CLAMP)) { \
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if (texres->tr < 0.0f) { \
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texres->tr = 0.0f; \
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} \
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if (texres->tg < 0.0f) { \
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texres->tg = 0.0f; \
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} \
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if (texres->tb < 0.0f) { \
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texres->tb = 0.0f; \
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} \
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} \
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if (tex->saturation != 1.0f) { \
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float _hsv[3]; \
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rgb_to_hsv(texres->tr, texres->tg, texres->tb, _hsv, _hsv + 1, _hsv + 2); \
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_hsv[1] *= tex->saturation; \
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hsv_to_rgb(_hsv[0], _hsv[1], _hsv[2], &texres->tr, &texres->tg, &texres->tb); \
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if ((tex->saturation > 1.0f) && !(tex->flag & TEX_NO_CLAMP)) { \
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if (texres->tr < 0.0f) { \
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texres->tr = 0.0f; \
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} \
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if (texres->tg < 0.0f) { \
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texres->tg = 0.0f; \
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} \
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if (texres->tb < 0.0f) { \
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texres->tb = 0.0f; \
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} \
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} \
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} \
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((void)0)
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struct ImBuf;
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struct Image;
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struct ImagePool;
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struct Tex;
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struct TexResult;
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/* texture_image.c */
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int imagewraposa(struct Tex *tex,
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struct Image *ima,
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struct ImBuf *ibuf,
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const float texvec[3],
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const float dxt[2],
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const float dyt[2],
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struct TexResult *texres,
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struct ImagePool *pool,
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const bool skip_load_image);
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int imagewrap(struct Tex *tex,
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struct Image *ima,
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const float texvec[3],
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struct TexResult *texres,
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struct ImagePool *pool,
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const bool skip_load_image);
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void image_sample(struct Image *ima,
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float fx,
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float fy,
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float dx,
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float dy,
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float result[4],
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struct ImagePool *pool);
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#ifdef __cplusplus
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}
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#endif
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