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50 lines
1.9 KiB
50 lines
1.9 KiB
/*
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* Copyright (c) 2005 Boudewijn Rempt <boud@valdyas.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef _KIS_CONVERSIONS_H_
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#define _KIS_CONVERSIONS_H_
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#include <tqglobal.h>
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/**
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* A number of often-used conversions between color models
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*/
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// 8-bit integer versions. RGBSL are 0-255, H is 0-360.
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void rgb_to_hsv(int R, int G, int B, int *H, int *S, int *V);
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void hsv_to_rgb(int H, int S, int V, int *R, int *G, int *B);
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// Floating point versions. RGBSL are 0-1, H is 0-360.
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void RGBToHSV(float r, float g, float b, float *h, float *s, float *v);
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void HSVToRGB(float h, float s, float v, float *r, float *g, float *b);
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void RGBToHSL(float r, float g, float b, float *h, float *s, float *l);
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void HSLToRGB(float h, float sl, float l, float *r, float *g, float *b);
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void rgb_to_hls(TQ_UINT8 r, TQ_UINT8 g, TQ_UINT8 b, float * h, float * l, float * s);
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float hue_value(float n1, float n2, float hue);
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void hls_to_rgb(float h, float l, float s, TQ_UINT8 * r, TQ_UINT8 * g, TQ_UINT8 * b);
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void rgb_to_hls(TQ_UINT8 r, TQ_UINT8 g, TQ_UINT8 b, int * h, int * l, int * s);
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void hls_to_rgb(int h, int l, int s, TQ_UINT8 * r, TQ_UINT8 * g, TQ_UINT8 * b);
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#endif // _KIS_CONVERSIONS_H_
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