1 files changed, 80 insertions, 0 deletions
diff --git a/src/de/lmu/ifi/dbs/elki/visualization/colors/ColorLibrary.java b/src/de/lmu/ifi/dbs/elki/visualization/colors/ColorLibrary.java
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+++ b/src/de/lmu/ifi/dbs/elki/visualization/colors/ColorLibrary.java
@@ -0,0 +1,80 @@
+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) 2011
+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);
+}
+\ No newline at end of file