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package de.lmu.ifi.dbs.elki.visualization.colors;
/*
This file is part of ELKI:
Environment for Developing KDD-Applications Supported by Index-Structures
Copyright (C) 2015
Ludwig-Maximilians-Universität München
Lehr- und Forschungseinheit für Datenbanksysteme
ELKI Development Team
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) 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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* Color scheme interface
*
* @author Erich Schubert
*/
public interface ColorLibrary {
/**
* List of line colors
*/
final static String COLOR_LINE_COLORS = "line.colors";
/**
* Named color for the page background
*/
final static String COLOR_PAGE_BACKGROUND = "page.background";
/**
* Named color for a typical axis
*/
final static String COLOR_AXIS_LINE = "axis.line";
/**
* Named color for a typical axis tick mark
*/
final static String COLOR_AXIS_TICK = "axis.tick";
/**
* Named color for a typical axis tick mark
*/
final static String COLOR_AXIS_MINOR_TICK = "axis.tick.minor";
/**
* Named color for a typical axis label
*/
final static String COLOR_AXIS_LABEL = "axis.label";
/**
* Named color for the background of the key box
*/
final static String COLOR_KEY_BACKGROUND = "key.background";
/**
* Named color for a label in the key part
*/
final static String COLOR_KEY_LABEL = "key.label";
/**
* Background color for plot area
*/
final static String COLOR_PLOT_BACKGROUND = "plot.background";
/**
* Return the number of native colors available. These are guaranteed to be
* unique.
*
* @return number of native colors
*/
public int getNumberOfNativeColors();
/**
* Return the i'th color.
*
* @param index color index
* @return color in hexadecimal notation (#aabbcc) or color name ("red") as
* valid in CSS and SVG.
*/
public String getColor(int index);
}
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