+++ /dev/null
-/*
- * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
- * Copyright (C) $$Year-Rel$$ The Jalview Authors
- *
- * This file is part of Jalview.
- *
- * Jalview is free software: you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation, either version 3
- * of the License, or (at your option) any later version.
- *
- * Jalview 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with Jalview. If not, see <http://www.gnu.org/licenses/>.
- * The Jalview Authors are detailed in the 'AUTHORS' file.
- */
-package jalview.schemes;
-
-import jalview.datamodel.SequenceFeature;
-
-import java.awt.Color;
-
-/**
- * Value and/or thresholded colour scale used for colouring by annotation and
- * feature score
- *
- * @author JimP
- *
- */
-public class GraduatedColor
-{
- int thresholdState = AnnotationColourGradient.NO_THRESHOLD; // or
- // ABOVE_THRESHOLD
- // or
- // BELOW_THRESHOLD
-
- float lr, lg, lb, dr, dg, db;
-
- /**
- * linear scaling parameters, base, minimum colour threshold, range of linear
- * scale from lower to upper
- */
- float base, range, thrsh;
-
- /**
- * when true, colour from u to u-d rather than u to u+d
- */
- boolean tolow = false;
-
- /**
- * when false, min/max range has been manually set so should not be
- * dynamically adjusted.
- */
- boolean autoScale = true;
-
- /**
- * construct a graduatedColor object from simple parameters
- *
- * @param low
- * @param high
- * @param min
- * @param max
- * color low->high from min->max
- */
- public GraduatedColor(Color low, Color high, float min, float max)
- {
- thrsh = Float.NaN;
- tolow = min >= max;
- lr = low.getRed() / 255f;
- lg = low.getGreen() / 255f;
- lb = low.getBlue() / 255f;
- dr = (high.getRed() / 255f) - lr;
- dg = (high.getGreen() / 255f) - lg;
- db = (high.getBlue() / 255f) - lb;
- if (tolow)
- {
- base = max;
- range = min - max;
- }
- else
- {
- base = min;
- range = max - min;
- }
- }
-
- public GraduatedColor(GraduatedColor oldcs)
- {
- lr = oldcs.lr;
- lg = oldcs.lg;
- lb = oldcs.lb;
- dr = oldcs.dr;
- dg = oldcs.dg;
- db = oldcs.db;
- base = oldcs.base;
- range = oldcs.range;
- tolow = oldcs.tolow;
- thresholdState = oldcs.thresholdState;
- thrsh = oldcs.thrsh;
- autoScale = oldcs.autoScale;
- colourByLabel = oldcs.colourByLabel;
- }
-
- /**
- * make a new gradient from an old one with a different scale range
- *
- * @param oldcs
- * @param min
- * @param max
- */
- public GraduatedColor(GraduatedColor oldcs, float min, float max)
- {
- this(oldcs);
- updateBounds(min, max);
- }
-
- public Color getMinColor()
- {
- return new Color(lr, lg, lb);
- }
-
- public Color getMaxColor()
- {
- return new Color(lr + dr, lg + dg, lb + db);
- }
-
- /**
- *
- * @return true if original min/max scale was from high to low
- */
- public boolean getTolow()
- {
- return tolow;
- }
-
- public void setTolow(boolean tolower)
- {
- tolow = tolower;
- }
-
- public boolean isColored(SequenceFeature feature)
- {
- float val = feature.getScore();
- if (Float.isNaN(val))
- {
- return true;
- }
- if (this.thresholdState == AnnotationColourGradient.NO_THRESHOLD)
- {
- return true;
- }
- if (Float.isNaN(this.thrsh))
- {
- return true;
- }
- boolean rtn = thresholdState == AnnotationColourGradient.ABOVE_THRESHOLD;
- if (val <= thrsh)
- {
- return !rtn; // ? !tolow : tolow;
- }
- else
- {
- return rtn; // ? tolow : !tolow;
- }
- }
-
- /**
- * default implementor of a getColourFromString method. TODO: abstract an
- * interface enabling pluggable colour from string
- */
- private UserColourScheme ucs = null;
-
- private boolean colourByLabel = false;
-
- /**
- *
- * @return true if colourByLabel style is set
- */
- public boolean isColourByLabel()
- {
- return colourByLabel;
- }
-
- /**
- * @param colourByLabel
- * the colourByLabel to set
- */
- public void setColourByLabel(boolean colourByLabel)
- {
- this.colourByLabel = colourByLabel;
- }
-
- public Color findColor(SequenceFeature feature)
- {
- if (colourByLabel)
- {
- // TODO: allow user defined feature label colourschemes. Colour space is
- // {type,regex,%anytype%}x{description string, regex, keyword}
- if (ucs == null)
- {
- ucs = new UserColourScheme();
- }
- return ucs.createColourFromName(feature.getDescription());
- }
- if (range == 0.0)
- {
- return getMaxColor();
- }
- float scr = feature.getScore();
- if (Float.isNaN(scr))
- {
- return getMinColor();
- }
- float scl = (scr - base) / range;
- if (tolow)
- {
- scl = -scl;
- }
- if (scl < 0f)
- {
- scl = 0f;
- }
- if (scl > 1f)
- {
- scl = 1f;
- }
- return new Color(lr + scl * dr, lg + scl * dg, lb + scl * db);
- }
-
- public void setThresh(float value)
- {
- thrsh = value;
- }
-
- public float getThresh()
- {
- return thrsh;
- }
-
- public void setThreshType(int aboveThreshold)
- {
- thresholdState = aboveThreshold;
- }
-
- public int getThreshType()
- {
- return thresholdState;
- }
-
- public float getMax()
- {
- // regenerate the original values passed in to the constructor
- return (tolow) ? base : (base + range);
- }
-
- public float getMin()
- {
- // regenerate the original value passed in to the constructor
- return (tolow) ? (base + range) : base;
- }
-
- public boolean isAutoScale()
- {
- return autoScale;
- }
-
- public void setAutoScaled(boolean autoscale)
- {
- autoScale = autoscale;
- }
-
- /**
- * update the base and range appropriatly for the given minmax range
- *
- * @param a
- * float[] {min,max} array containing minmax range for the associated
- * score values
- */
- public void updateBounds(float min, float max)
- {
- if (max < min)
- {
- base = max;
- range = min - max;
- tolow = true;
- }
- else
- {
- base = min;
- range = max - min;
- tolow = false;
- }
- }
-}
git://source.jalview.org / jalview.git / blobdiff