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/*
* $Revision: 2771 $
*
* last checkin:
* $Author: gutwenger $
* $Date: 2012-09-26 15:53:39 +0200 (Wed, 26 Sep 2012) $
***************************************************************/
/** \file
* \brief Offers colorizer for SimDraw.
*
* \author Michael Schulz and Tobias Dehling
*
* \par License:
* This file is part of the Open Graph Drawing Framework (OGDF).
*
* \par
* Copyright (C)<br>
* See README.txt in the root directory of the OGDF installation for details.
*
* \par
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* Version 2 or 3 as published by the Free Software Foundation;
* see the file LICENSE.txt included in the packaging of this file
* for details.
*
* \par
* 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.
*
* \par
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
* \see http://www.gnu.org/copyleft/gpl.html
***************************************************************/
#ifndef OGDF_SIMDRAW_COLORIZER_H
#define OGDF_SIMDRAW_COLORIZER_H
#include <ogdf/simultaneous/SimDrawManipulatorModule.h>
namespace ogdf
{
//! Adds color to a graph
/** SimDrawColorizer adds colors to the edges (and nodes) of a simdraw
* instance. The underlying color scheme sets the used colors.
* Some color schemes are only usable for a small number of basic graphs.
*
* A typical use of SimDrawColorizer involves a predefined SimDraw
* instance on which SimDrawColorizer works.
* \code
* SimDraw SD;
* SimDrawColorizer SDC(SD);
* [...]
* SDC.addColor();
* [...]
* \endcode
*/
class OGDF_EXPORT SimDrawColorizer : public SimDrawManipulatorModule
{
public:
//! types for colorschemes
enum colorScheme
{
none, //!< <= 32 different colors
bluYel, //!< blue and yellow <= 2 colors
redGre, //!< red and green <= 2 colors
bluOra, //!< blue and orange <= 2 colors
teaLil, //!< teal and purple <= 2 colors
redBluYel, //!< red, blue and yellow <= 3 colors
greLilOra //!< green, purple and orange <= 3 colors
};
private:
//! stores the current colorscheme
colorScheme m_colorScheme;
public:
//! constructor assigns default color scheme
SimDrawColorizer(SimDraw &SD) : SimDrawManipulatorModule(SD)
{ m_colorScheme = none; }
//! returns current color scheme
const colorScheme &ColorScheme() const { return m_colorScheme; }
//! assigns a new color scheme
colorScheme &ColorScheme() { return m_colorScheme; }
//! adds color to a graph including nodes
void addColorNodeVersion();
//! adds some color to a graph
void addColor();
public:
//! Manages the various color schemes
/**
* Color schemes are used within SimDrawColorizer to chose
* different colors for the basic graph visualizations.
* It is used directly within SimDrawColorizer.
*
* \code
* SimDraw SD;
* SimDrawColorizer SDC(SD);
* [...]
* SDC.ColorScheme() = SimDrawColorizer::redGre;
* SDC.addColor();
* [...]
* \endcode
*
* CAUTION: Some color schemes are only valid for a small
* number (e.g. two or three) of basic graphs. The default color
* scheme can be used for up to 32 basic graphs.
*/
class SimDrawColorScheme
{
private:
//! stores the current colorscheme (set by constructor)
colorScheme m_intScheme;
//! red color component
/** stores the values of the red color component for every graph
* according to colorscheme
*/
int *red;
//! green color component
/** stores the values of the green color component for every graph
* according to colorscheme
*/
int *green;
//! blue color component
/** stores the values of the blue color component for every graph
* according to colorscheme
*/
int *blue;
public:
//! constructor
SimDrawColorScheme (enum colorScheme colorScm, int numberOfGraphs);
//! destructor
~SimDrawColorScheme();
//! joins the different color components together
Color getColor(int subGraphBits, int numberOfGraphs);
//! sets the color component arrays according to colorschemeXS
void assignColScm(int numberOfGraphs);
}; // SimDrawColorScheme
}; // SimDrawColorizer
}
#endif
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