1 /*
2  * Jalview - A Sequence Alignment Editor and Viewer (2.11.1.4)
3  * Copyright (C) 2021 The Jalview Authors
4  *
5  * This file is part of Jalview.
6  *
7  * Jalview is free software: you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License
9  * as published by the Free Software Foundation, either version 3
10  * of the License, or (at your option) any later version.
11  *
12  * Jalview is distributed in the hope that it will be useful, but
13  * WITHOUT ANY WARRANTY; without even the implied warranty
14  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR
15  * PURPOSE.  See the GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with Jalview.  If not, see <http://www.gnu.org/licenses/>.
19  * The Jalview Authors are detailed in the 'AUTHORS' file.
20  */
21 package jalview.schemes;
22 
23 import jalview.api.AlignViewportI;
24 import jalview.datamodel.AnnotatedCollectionI;
25 import jalview.datamodel.SequenceCollectionI;
26 import jalview.datamodel.SequenceI;
27 
28 import java.awt.Color;
29 import java.util.Map;
30 
31 public interface ColourSchemeI
32 {
33   /**
34    * Returns the possibly context dependent colour for the given symbol at the
35    * aligned position in the given sequence. For example, the colour may depend
36    * on the symbol's relationship to the consensus residue for the column.
37    *
38    * @param symbol
39    * @param position
40    * @param seq
41    * @param consensusResidue
42    *          the modal symbol (e.g. K) or symbols (e.g. KF) for the column
43    * @param pid
44    *          the percentage identity of the column's consensus (if known)
45    * @return
46    */
findColour(char symbol, int position, SequenceI seq, String consensusResidue, float pid)47   Color findColour(char symbol, int position, SequenceI seq,
48           String consensusResidue, float pid);
49 
50   /**
51    * Recalculate dependent data using the given sequence collection, taking
52    * account of hidden rows
53    *
54    * @param alignment
55    * @param hiddenReps
56    */
alignmentChanged(AnnotatedCollectionI alignment, Map<SequenceI, SequenceCollectionI> hiddenReps)57   void alignmentChanged(AnnotatedCollectionI alignment,
58           Map<SequenceI, SequenceCollectionI> hiddenReps);
59 
60   /**
61    * Creates and returns a new instance of the colourscheme configured to colour
62    * the given collection. Note that even simple colour schemes should return a
63    * new instance for each call to this method, as different instances may have
64    * differing shading by consensus or percentage identity applied.
65    *
66    * @param viewport
67    *          - the parent viewport
68    * @param sg
69    *          - the collection of sequences to be coloured
70    * @return copy of current scheme with any inherited settings transferred
71    */
getInstance(AlignViewportI viewport, AnnotatedCollectionI sg)72   ColourSchemeI getInstance(AlignViewportI viewport,
73           AnnotatedCollectionI sg);
74 
75   /**
76    * Answers true if the colour scheme is suitable for the given data, else
77    * false. For example, some colour schemes are specific to either peptide or
78    * nucleotide, or only apply if certain kinds of annotation are present.
79    *
80    * @param ac
81    * @return
82    */
83   // TODO can make this method static in Java 8
isApplicableTo(AnnotatedCollectionI ac)84   boolean isApplicableTo(AnnotatedCollectionI ac);
85 
86   /**
87    * Answers the 'official' name of the colour scheme (as used, for example, as
88    * a Jalview startup parameter)
89    *
90    * @return
91    */
getSchemeName()92   String getSchemeName();
93 
94   /**
95    * Answers true if the colour scheme depends only on the sequence symbol, and
96    * not on other information such as alignment consensus or annotation. (Note
97    * that simple colour schemes may have a fading by percentage identity or
98    * conservation overlaid.) Simple colour schemes can be propagated to
99    * structure viewers.
100    *
101    * @return
102    */
isSimple()103   boolean isSimple();
104 
105   /**
106    * Answers true if the colour scheme has a colour specified for gaps.
107    *
108    * @return
109    */
hasGapColour()110   boolean hasGapColour();
111 }
112