// (C) Copyright Gert-Jan de Vos and Jan Wilmans 2013.

// Distributed under the Boost Software License, Version 1.0.

// (See accompanying file LICENSE_1_0.txt or copy at

// http://www.boost.org/LICENSE_1_0.txt)

// #include "stdafx.h"

#include <cstdlib>

#include "DebugViewppLib/Colors.h"

#include "CobaltFusion/Math.h"

namespace fusion {

namespace debugviewpp {

namespace Colors {

extern const COLORREF Auto = 0x80808080;

extern const COLORREF BackGround = GetSysColor(COLOR_WINDOW);

extern const COLORREF Text = GetSysColor(COLOR_WINDOWTEXT);

extern const COLORREF Highlight = RGB(255, 255, 55);

extern const COLORREF Selection = RGB(128, 255, 255);

extern const COLORREF ItemHighlight = GetSysColor(COLOR_HIGHLIGHT);

extern const COLORREF ItemHighlightText = GetSysColor(COLOR_HIGHLIGHTTEXT);

} // namespace Colors

COLORREF HsvToRgb(double h, double s, double v)

{

int hi = FloorTo<int>(h * 6);

double f = h * 6 - hi;

int vi = FloorTo<int>(256 * v);

int pi = FloorTo<int>(256 * v * (1 - s));

int qi = FloorTo<int>(256 * v * (1 - f * s));

int ti = FloorTo<int>(256 * v * (1 - (1 - f) * s));

switch (hi)

{

case 0: return RGB(vi, ti, pi);

case 1: return RGB(qi, vi, pi);

case 2: return RGB(pi, vi, ti);

case 3: return RGB(pi, qi, vi);

case 4: return RGB(ti, pi, vi);

case 5: return RGB(vi, pi, qi);

default: break;

}

return 0;

}

COLORREF GetRandomColor(double s, double v)

{

static bool randomize = (std::srand(GetTickCount()), true);

static const double ratio = (1 + std::sqrt(5.)) / 2 - 1;

// use golden ratio

static double h = static_cast<double>(std::rand()) / (RAND_MAX + 1);

h += ratio;

if (h >= 1)

{

h = h - 1;

}

return HsvToRgb(h, s, v);

}

COLORREF GetRandomBackColor()

{

return GetRandomColor(0.5, 0.95);

}

COLORREF GetRandomTextColor()

{

return GetRandomColor(0.9, 0.7);

}

COLORREF GetRandomProcessColor()

{

return GetRandomColor(0.20, 0.95);

}

} // namespace debugviewpp

} // namespace fusion