// Copyright (c) 2009-2010, Niels Martin Hansen
// All rights reserved.
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// Aegisub Project http://www.aegisub.org/
//
// $Id$

/// @file audio_colorscheme.cpp
/// @ingroup audio_ui
///
/// Manage colour schemes for the audio display

#include "config.h"

#ifndef AGI_PRE
#include <algorithm>
#endif

#include "audio_colorscheme.h"
#include "colorspace.h"

// Something is defining "min" and "max" macros, and they interfere with using std::min and std::max
#undef min
#undef max



void AudioColorScheme::InitIcyBlue_Normal()
{
	unsigned char *palptr = palette;
	for (size_t i = 0; i <= factor; ++i)
	{
		float t = (float)i / factor;
		int H = (int)(255 * (1.5 - t) / 2);
		int S = (int)(255 * (0.5 + t/2));
		int L = std::min(255, (int)(128 * 2 * t));
		hsl_to_rgb(H, S, L, palptr + 0, palptr + 1, palptr + 2);
		palptr += 4;
	}
}


void AudioColorScheme::InitIcyBlue_Selected()
{
	unsigned char *palptr = palette;
	for (size_t i = 0; i <= factor; ++i)
	{
		float t = (float)i / factor;
		int H = (int)(255 * (1.5 - t) / 2);
		int S = (int)(255 * (0.5 + t/2));
		int L = std::min(255, (int)(128 * (3 * t/2 + 0.5)));
		hsl_to_rgb(H, S, L, palptr + 0, palptr + 1, palptr + 2);
		palptr += 4;
	}
}