Package com.mxgraph.util

Class mxHtmlColor

  • public class mxHtmlColor
extends java.lang.Object
    Contains various helper methods for use with mxGraph.

    • Field Summary

      Fields 
      Modifier and Type Field Description
      protected static java.util.HashMap<java.lang.String,​java.awt.Color> htmlColors
      HTML color lookup table.
      protected static java.util.regex.Pattern rgbRegex  

    • Constructor Summary

      Constructors 
      Constructor Description
      mxHtmlColor()  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static java.lang.String getHexColorString​(java.awt.Color color)
      Returns a hex representation for the given color.
      static java.lang.String hexString​(java.awt.Color color)  
      protected static float parseAlpha​(java.lang.String alpha)  
      static java.awt.Color parseColor​(java.lang.String str)
      Shortcut for parseColor with no transparency.
      static java.awt.Color parseColor​(java.lang.String str, double alpha)
      Convert a string representing a 24/32bit hex color value into a Color object.
      protected static double parsePercent​(java.lang.String perc)  
      protected static java.awt.Color parseRgb​(java.lang.String rgbString)  
      protected static float parseValue​(java.lang.String val, int max)  

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Field Detail

      • htmlColors

        protected static java.util.HashMap<java.lang.String,​java.awt.Color> htmlColors
        HTML color lookup table. Supports the 147 CSS color names.

      • rgbRegex

        protected static final java.util.regex.Pattern rgbRegex

    • Constructor Detail

      • mxHtmlColor

        public mxHtmlColor()

    • Method Detail

      • hexString

        public static java.lang.String hexString​(java.awt.Color color)

      • getHexColorString

        public static java.lang.String getHexColorString​(java.awt.Color color)
        Returns a hex representation for the given color.
        Parameters:
        color - Color to return the hex string for.
        Returns:
        Returns a hex string for the given color.

      • parseColor

        public static java.awt.Color parseColor​(java.lang.String str)
                                 throws java.lang.NumberFormatException
        Shortcut for parseColor with no transparency.
        Throws:
        java.lang.NumberFormatException

      • parseColor

        public static java.awt.Color parseColor​(java.lang.String str,
                                        double alpha)
                                 throws java.lang.NumberFormatException
        Convert a string representing a 24/32bit hex color value into a Color object. All 147 CSS color names and none are also supported. None returns null. Examples of possible hex color values are: #C3D9FF, #6482B9 and #774400, but note that you do not include the "#" in the string passed in
        Parameters:
        str - the 24/32bit hex string value (ARGB)
        Returns:
        java.awt.Color (24bit RGB on JDK 1.1, 24/32bit ARGB on JDK1.2)
        Throws:
        java.lang.NumberFormatException - if the specified string cannot be interpreted as a hexidecimal integer

      • parseRgb

        protected static java.awt.Color parseRgb​(java.lang.String rgbString)

      • parseValue

        protected static float parseValue​(java.lang.String val,
                                  int max)

      • parsePercent

        protected static double parsePercent​(java.lang.String perc)

      • parseAlpha

        protected static float parseAlpha​(java.lang.String alpha)