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/*
* The Mana Client
* Copyright (C) 2007-2009 The Mana World Development Team
* Copyright (C) 2009-2012 The Mana Developers
*
* This file is part of The Mana Client.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef DYE_H
#define DYE_H
#include <string>
#include <vector>
/**
* Class for performing a linear interpolation between colors.
*/
class DyePalette
{
public:
/**
* Creates a palette based on the given string.
* The string is either a file name or a sequence of hexadecimal RGB
* values separated by ',' and starting with '#'.
*/
DyePalette(const std::string &pallete);
/**
* Gets a pixel color depending on its intensity. First color is
* implicitly black (0, 0, 0).
*/
void getColor(int intensity, int color[3]) const;
/**
* Gets a pixel color depending on its intensity.
*/
void getColor(double intensity, int color[3]) const;
private:
struct Color { unsigned char value[3]; };
std::vector<Color> mColors;
};
/**
* Class for dispatching pixel-recoloring amongst several palettes.
*/
class Dye
{
public:
/**
* Creates a set of palettes based on the given string.
*
* The parts of string are separated by semi-colons. Each part starts
* by an uppercase letter, followed by a colon and then a palette name.
*/
Dye(const std::string &dye);
/**
* Destroys the associated palettes.
*/
~Dye();
/**
* Modifies a pixel color.
*/
void update(int color[3]) const;
/**
* Fills the blank in a dye placeholder with some palette names.
*/
static void instantiate(std::string &target,
const std::string &palettes);
private:
/**
* The order of the palettes, as well as their uppercase letter, is:
*
* Red, Green, Yellow, Blue, Magenta, White (or rather gray).
*/
DyePalette *mDyePalettes[7];
};
#endif
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