98 lines
2.7 KiB
C++
98 lines
2.7 KiB
C++
/* SPDX-License-Identifier: GPL-2.0-or-later
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* Copyright 2001-2002 NaN Holding BV. All rights reserved. */
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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->trgba[0] = tex->rfac * \
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((texres->trgba[0] - 0.5f) * tex->contrast + tex->bright - 0.5f); \
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texres->trgba[1] = tex->gfac * \
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((texres->trgba[1] - 0.5f) * tex->contrast + tex->bright - 0.5f); \
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texres->trgba[2] = tex->bfac * \
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((texres->trgba[2] - 0.5f) * tex->contrast + tex->bright - 0.5f); \
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if (!(tex->flag & TEX_NO_CLAMP)) { \
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if (texres->trgba[0] < 0.0f) { \
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texres->trgba[0] = 0.0f; \
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} \
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if (texres->trgba[1] < 0.0f) { \
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texres->trgba[1] = 0.0f; \
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} \
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if (texres->trgba[2] < 0.0f) { \
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texres->trgba[2] = 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->trgba[0], texres->trgba[1], texres->trgba[2], _hsv, _hsv + 1, _hsv + 2); \
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_hsv[1] *= tex->saturation; \
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hsv_to_rgb( \
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_hsv[0], _hsv[1], _hsv[2], &texres->trgba[0], &texres->trgba[1], &texres->trgba[2]); \
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if ((tex->saturation > 1.0f) && !(tex->flag & TEX_NO_CLAMP)) { \
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if (texres->trgba[0] < 0.0f) { \
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texres->trgba[0] = 0.0f; \
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} \
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if (texres->trgba[1] < 0.0f) { \
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texres->trgba[1] = 0.0f; \
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} \
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if (texres->trgba[2] < 0.0f) { \
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texres->trgba[2] = 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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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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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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