Aegisub/aegisub/src/colorspace.h

// Copyright (c) 2005, Niels Martin Hansen
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
//   * Redistributions of source code must retain the above copyright notice,
//     this list of conditions and the following disclaimer.
//   * Redistributions in binary form must reproduce the above copyright notice,
//     this list of conditions and the following disclaimer in the documentation
//     and/or other materials provided with the distribution.
//   * Neither the name of the Aegisub Group nor the names of its contributors
//     may be used to endorse or promote products derived from this software
//     without specific prior written permission.
//
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// Aegisub Project http://www.aegisub.org/
//
// $Id$

/// @file colorspace.h
/// @see colorspace.cpp
/// @ingroup utility
///

#ifndef AGI_PRE
#include <wx/colour.h>
#include <wx/string.h>
#endif

inline unsigned int clip_colorval(int val)
{
	return std::max(0, std::min(val, 255));
}


/// Convert an YUV color to RGB; all values are expected to be in range 0..255
void yuv_to_rgb(int Y, int U, int V, unsigned char *R, unsigned char *G, unsigned char *B);

/// Convert a HSL color to RGB; all values are expected to be in range 0..255
void hsl_to_rgb(int H, int S, int L, unsigned char *R, unsigned char *G, unsigned char *B);

/// Convert a HSV color to RGB; all values are expected to be in range 0..255
void hsv_to_rgb(int H, int S, int V, unsigned char *R, unsigned char *G, unsigned char *B);

/// Convert an RGB color to YUV; all values are expected to be in range 0..255
void rgb_to_yuv(int R, int G, int B, unsigned char *Y, unsigned char *U, unsigned char *V);

/// Convert an RGB color to HSL; all values are expected to be in range 0..255
void rgb_to_hsl(int R, int G, int B, unsigned char *H, unsigned char *S, unsigned char *L);

/// Convert an RGB color to HSV; all values are expected to be in range 0..255
void rgb_to_hsv(int R, int G, int B, unsigned char *H, unsigned char *S, unsigned char *V);

void hsv_to_hsl(int iH, int iS, int iV, unsigned char *oH, unsigned char *oS, unsigned char *oL);

void hsl_to_hsv(int iH, int iS, int iL, unsigned char *oH, unsigned char *oS, unsigned char *oV);


/// Convert a wxColour to a HTML hex string
wxString color_to_html(wxColour color);

/// Convert a HTML hex string to a wxColour
wxColour html_to_color(wxString html);