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## org.biojava.bio.program.blast2html
Class AbstractAlignmentStyler

    java.lang.Object
      org.biojava.bio.program.blast2html.AbstractAlignmentStyler

Direct Known Subclasses:
  SimpleAlignmentStyler

    public abstract class AbstractAlignmentStyler

extends Object

Abstract implementation of `AlignmentStyler`, contains utility methods for generating a set of HTML styles from a list of RGB colours.

Thus `getAlignmentStyles()` is implemented and all that remains to be implemented is the `getStyle` method.

     Primary author -
                     Colin Hardman      (CAT)
     Other authors  -
                     Tim Dilks          (CAT)
                     Simon Brocklehurst (CAT)
                     Stuart Johnston    (CAT)
                     Lawerence Bower    (CAT)
                     Derek Crockford    (CAT)
                     Neil Benn          (CAT)

     Copyright 2001 Cambridge Antibody Technology Group plc.

This code released to the biojava project, May 2001 under the LGPL license.

Version:
  1.0
Author:
  Cambridge Antibody Technology Group plc, Greg Cox

Field Summary
`protected int` | `iNumberOfColours` The number of unique colours.
`protected HashMap` | `oColourClassMap` Stores mapping from a Colour to a FONT Class.
`protected HashMap` | `oColourMap` Map between Char and the Colour class.
`protected HashSet` | `oColourSet` Store the unique colours for markup.

Constructor Summary
`AbstractAlignmentStyler()`

Method Summary
`void` | `addStyle(String poChar, String poColour)` Add a colour style to this Styler.
`String` | `getAlignmentStyles()` Returns a fragment of HTML that defines the FONT styles to be used in the alignment markup.
`protected String` | `getColourClass(String poColour)` Returns the colour class for the specified colour (in hex).
`abstract void` | `getStyle(String poFirst, String poSecond, String[] poStyleHolder)` Return the styles for the two aligned characters.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### oColourSet

    protected HashSet oColourSet

  Store the unique colours for markup.

### oColourClassMap

    protected HashMap oColourClassMap

  Stores mapping from a Colour to a FONT Class.

  For example:

       Key      Value
       ---      -----
       #000000  C1-S

### iNumberOfColours

    protected int iNumberOfColours

  The number of unique colours.

### oColourMap

    protected HashMap oColourMap

  Map between Char and the Colour class.

  Eg.

       Key      Value
       ---      -----
       A        C1-S

Constructor Detail

### AbstractAlignmentStyler

    public AbstractAlignmentStyler()

Method Detail

### getAlignmentStyles

    public String getAlignmentStyles()

  Returns a fragment of HTML that defines the FONT styles to be used in the alignment markup.

  For example:

       FONT.C2-S{background-color:#FFFC50;color:#000000}
       FONT.C4-S{background-color:#FC50FF;color:#000000}
       FONT.C3-S{background-color:#FF7272;color:#000000}
       FONT.C0-S{background-color:#50FF78;color:#000000}
       FONT.C1-S{background-color:#FFCA50;color:#000000}
       FONT.C5-S{background-color:#A5A5FF;color:#000000}

  Returns:
    String - the HTML

### getStyle

    public abstract void getStyle(String poFirst,
                                  String poSecond,
                                  String[] poStyleHolder)

  Return the styles for the two aligned characters. (in the form of predefined font classes).

  Null is acceptable value for no style.

  Parameters:
    `poFirst` - - the first char in the alignment
    `poSecond` - - the second char in the alignment
    `poStyleHolder` - - an array to hold the styles, [0] = first etc

### addStyle

    public void addStyle(String poChar,
                         String poColour)

  Add a colour style to this Styler.

  Parameters:
    `poChar` - the char for which this colour applies.
    `poColour` - the color in hex eg 'FFA2A2' for a nice red ( R = FF, G = A2 and B = A2 )

### getColourClass

    protected String getColourClass(String poColour)

  Returns the colour class for the specified colour (in hex). If one is not already defined for that colour then a new class is created and returned.

  Colour specification is R G B in hex ie FF00FF is r = 255, g = 0, b = 255.

  Parameters:
    `poColour` - - a colour, eg 'C8FFC8'
  Returns:
    String - the colour class, eg 'C1-S'

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