/*
- * Jalview - A Sequence Alignment Editor and Viewer (Version 2.8.2)
- * Copyright (C) 2014 The Jalview Authors
+ * Jalview - A Sequence Alignment Editor and Viewer (Version 2.9.0b2)
+ * Copyright (C) 2015 The Jalview Authors
*
* This file is part of Jalview.
*
}
-/**
- * Returns a colour three shades darker.
+ /**
+ * Convert to Tk colour code format
*
- * We use darker text to indicate unselected buttons, lighter text for selected. Note you can't
- * guarantee that darkerThan/brighterThan undo each other, as they may result in black/white.
+ * @param colour
+ * @return
+ * @see http
+ * ://www.cgl.ucsf.edu/chimera/current/docs/UsersGuide/colortool.html#
+ * tkcode
+ */
+ public static final String toTkCode(Color colour)
+ {
+ String colstring = "#" + ((colour.getRed() < 16) ? "0" : "")
+ + Integer.toHexString(colour.getRed())
+ + ((colour.getGreen() < 16) ? "0" : "")
+ + Integer.toHexString(colour.getGreen())
+ + ((colour.getBlue() < 16) ? "0" : "")
+ + Integer.toHexString(colour.getBlue());
+ return colstring;
+ }
+
+ /**
+ * Returns a colour three shades darker. Note you can't guarantee that
+ * brighterThan reverses this, as darkerThan may result in black.
*
* @param col
* @return
*/
- public static Color darkerThan(Color col) {
- return col.darker().darker().darker();
+ public static Color darkerThan(Color col)
+ {
+ return col == null ? null : col.darker().darker().darker();
}
-/**
- * Returns a colour three shades brighter.
+ /**
+ * Returns a colour three shades brighter. Note you can't guarantee that
+ * darkerThan reverses this, as brighterThan may result in white.
*
- * We use darker text to indicate unselected buttons, lighter text for selected. Note you can't
- * guarantee that darkerThan/brighterThan undo each other, as they may result in black/white.
* @param col
* @return
*/
- public static Color brighterThan(Color col) {
- return col.brighter().brighter().brighter();
+ public static Color brighterThan(Color col)
+ {
+ return col == null ? null : col.brighter().brighter().brighter();
}
}