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Sourcecode: jalview version File versions

AnnotationPanel.java

/*
 * Jalview - A Sequence Alignment Editor and Viewer (Version 2.7)
 * Copyright (C) 2011 J Procter, AM Waterhouse, G Barton, M Clamp, S Searle
 * 
 * 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/>.
 */
package jalview.gui;

import java.awt.*;
import java.awt.event.*;
import java.awt.font.LineMetrics;
import java.awt.geom.AffineTransform;
import java.awt.image.*;
import java.util.Hashtable;

import javax.swing.*;

import jalview.analysis.AAFrequency;
import jalview.datamodel.*;
import jalview.schemes.ColourSchemeI;

/**
 * DOCUMENT ME!
 * 
 * @author $author$
 * @version $Revision$
 */
00039 public class AnnotationPanel extends JPanel implements MouseListener,
        MouseMotionListener, ActionListener, AdjustmentListener
{
  final String HELIX = "Helix";

  final String SHEET = "Sheet";

  final String LABEL = "Label";

  final String REMOVE = "Remove Annotation";

  final String COLOUR = "Colour";

  final Color HELIX_COLOUR = Color.red.darker();

  final Color SHEET_COLOUR = Color.green.darker().darker();

  /** DOCUMENT ME!! */
00057   AlignViewport av;

  AlignmentPanel ap;

  int activeRow = -1;

  BufferedImage image;

  BufferedImage fadedImage;

  Graphics2D gg;

  FontMetrics fm;

  int imgWidth = 0;

  boolean fastPaint = false;

  // Used For mouse Dragging and resizing graphs
  int graphStretch = -1;

  int graphStretchY = -1;

  int min; // used by mouseDragged to see if user

  int max; // used by mouseDragged to see if user

  boolean mouseDragging = false;

  boolean MAC = false;

  /**
   * Creates a new AnnotationPanel object.
   * 
   * @param ap
   *          DOCUMENT ME!
   */
00094   public AnnotationPanel(AlignmentPanel ap)
  {

    MAC = new jalview.util.Platform().isAMac();

    ToolTipManager.sharedInstance().registerComponent(this);
    ToolTipManager.sharedInstance().setInitialDelay(0);
    ToolTipManager.sharedInstance().setDismissDelay(10000);
    this.ap = ap;
    av = ap.av;
    this.setLayout(null);
    addMouseListener(this);
    addMouseMotionListener(this);
    ap.annotationScroller.getVerticalScrollBar()
            .addAdjustmentListener(this);
  }

  public AnnotationPanel(AlignViewport av)
  {
    this.av = av;
  }

  /**
   * DOCUMENT ME!
   * 
   * @param evt
   *          DOCUMENT ME!
   */
00122   public void adjustmentValueChanged(AdjustmentEvent evt)
  {
    ap.alabels.setScrollOffset(-evt.getValue());
  }

  /**
   * Calculates the height of the annotation displayed in the annotation panel.
   * Callers should normally call the ap.adjustAnnotationHeight method to ensure
   * all annotation associated components are updated correctly.
   * 
   */
00133   public int adjustPanelHeight()
  {
    int height=calcPanelHeight();
    this.setPreferredSize(new Dimension(1, height));
    if (ap != null)
    {
      // revalidate only when the alignment panel is fully constructed
      ap.validate();
    }

    return height;
  }

  /**
   * calculate the height for visible annotation, revalidating bounds where necessary
   * ABSTRACT GUI METHOD
   * @return total height of annotation
   */
00151   public int calcPanelHeight()
  {
    // setHeight of panels
    AlignmentAnnotation[] aa = av.alignment.getAlignmentAnnotation();
    int height = 0;

    if (aa != null)
    {
      for (int i = 0; i < aa.length; i++)
      {
        if (aa[i] == null)
        {
          System.err.println("Null annotation row: ignoring.");
          continue;
        }
        if (!aa[i].visible)
        {
          continue;
        }

        aa[i].height = 0;

        if (aa[i].hasText)
        {
          aa[i].height += av.charHeight;
        }

        if (aa[i].hasIcons)
        {
          aa[i].height += 16;
        }

        if (aa[i].graph > 0)
        {
          aa[i].height += aa[i].graphHeight;
        }

        if (aa[i].height == 0)
        {
          aa[i].height = 20;
        }

        height += aa[i].height;
      }
    }
    if (height == 0)
    {
      // set minimum
      height = 20;
    }
    return height;
  }

  /**
   * DOCUMENT ME!
   * 
   * @param evt
   *          DOCUMENT ME!
   */
00210   public void actionPerformed(ActionEvent evt)
  {
    AlignmentAnnotation[] aa = av.alignment.getAlignmentAnnotation();
    if (aa == null)
    {
      return;
    }
    Annotation[] anot = aa[activeRow].annotations;

    if (anot.length < av.getColumnSelection().getMax())
    {
      Annotation[] temp = new Annotation[av.getColumnSelection().getMax() + 2];
      System.arraycopy(anot, 0, temp, 0, anot.length);
      anot = temp;
      aa[activeRow].annotations = anot;
    }

    if (evt.getActionCommand().equals(REMOVE))
    {
      for (int i = 0; i < av.getColumnSelection().size(); i++)
      {
        anot[av.getColumnSelection().columnAt(i)] = null;
      }
    }
    else if (evt.getActionCommand().equals(LABEL))
    {
      String exMesg = collectAnnotVals(anot, av.getColumnSelection(), LABEL);
      String label = JOptionPane.showInputDialog(this, "Enter label",
              exMesg);

      if (label == null)
      {
        return;
      }

      if ((label.length() > 0) && !aa[activeRow].hasText)
      {
        aa[activeRow].hasText = true;
      }

      for (int i = 0; i < av.getColumnSelection().size(); i++)
      {
        int index = av.getColumnSelection().columnAt(i);

        if (!av.colSel.isVisible(index))
          continue;

        if (anot[index] == null)
        {
          anot[index] = new Annotation(label, "", ' ', 0); // TODO: verify that
          // null exceptions
          // aren't raised
          // elsewhere.
        }
        else
        {
          anot[index].displayCharacter = label;
        }
      }
    }
    else if (evt.getActionCommand().equals(COLOUR))
    {
      Color col = JColorChooser.showDialog(this,
              "Choose foreground colour", Color.black);

      for (int i = 0; i < av.getColumnSelection().size(); i++)
      {
        int index = av.getColumnSelection().columnAt(i);

        if (!av.colSel.isVisible(index))
          continue;

        if (anot[index] == null)
        {
          anot[index] = new Annotation("", "", ' ', 0);
        }

        anot[index].colour = col;
      }
    }
    else
    // HELIX OR SHEET
    {
      char type = 0;
      String symbol = "\u03B1";

      if (evt.getActionCommand().equals(HELIX))
      {
        type = 'H';
      }
      else if (evt.getActionCommand().equals(SHEET))
      {
        type = 'E';
        symbol = "\u03B2";
      }

      if (!aa[activeRow].hasIcons)
      {
        aa[activeRow].hasIcons = true;
      }

      String label = JOptionPane.showInputDialog(
              "Enter a label for the structure?", symbol);

      if (label == null)
      {
        return;
      }

      if ((label.length() > 0) && !aa[activeRow].hasText)
      {
        aa[activeRow].hasText = true;
      }

      for (int i = 0; i < av.getColumnSelection().size(); i++)
      {
        int index = av.getColumnSelection().columnAt(i);

        if (!av.colSel.isVisible(index))
          continue;

        if (anot[index] == null)
        {
          anot[index] = new Annotation(label, "", type, 0);
        }

        anot[index].secondaryStructure = type;
        anot[index].displayCharacter = label;
      }
    }

    adjustPanelHeight();
    repaint();

    return;
  }

  private String collectAnnotVals(Annotation[] anot,
          ColumnSelection columnSelection, String label2)
  {
    String collatedInput = "";
    String last = "";
    for (int i = 0; i < columnSelection.size(); i++)
    {
      int index = columnSelection.columnAt(i);
      // always check for current display state - just in case
      if (!av.colSel.isVisible(index))
        continue;
      String tlabel = null;
      if (anot[index] != null)
      {
        if (label2.equals(HELIX) || label2.equals(SHEET)
                || label2.equals(LABEL))
        {
          tlabel = anot[index].description;
          if (tlabel == null || tlabel.length() < 1)
          {
            if (label2.equals(HELIX) || label2.equals(SHEET))
            {
              tlabel = "" + anot[index].secondaryStructure;
            }
            else
            {
              tlabel = "" + anot[index].displayCharacter;
            }
          }
        }
        if (tlabel != null && !tlabel.equals(last))
        {
          if (last.length() > 0)
          {
            collatedInput += " ";
          }
          collatedInput += tlabel;
        }
      }
    }
    return collatedInput;
  }

  /**
   * DOCUMENT ME!
   * 
   * @param evt
   *          DOCUMENT ME!
   */
00396   public void mousePressed(MouseEvent evt)
  {

    AlignmentAnnotation[] aa = av.alignment.getAlignmentAnnotation();
    if (aa == null)
    {
      return;
    }

    int height = 0;
    activeRow = -1;

    for (int i = 0; i < aa.length; i++)
    {
      if (aa[i].visible)
      {
        height += aa[i].height;
      }

      if (evt.getY() < height)
      {
        if (aa[i].editable)
        {
          activeRow = i;
        }
        else if (aa[i].graph > 0)
        {
          // Stretch Graph
          graphStretch = i;
          graphStretchY = evt.getY();
        }

        break;
      }
    }

    if (SwingUtilities.isRightMouseButton(evt) && activeRow != -1)
    {
      if (av.getColumnSelection() == null)
      {
        return;
      }

      JPopupMenu pop = new JPopupMenu("Structure type");
      JMenuItem item = new JMenuItem(HELIX);
      item.addActionListener(this);
      pop.add(item);
      item = new JMenuItem(SHEET);
      item.addActionListener(this);
      pop.add(item);
      item = new JMenuItem(LABEL);
      item.addActionListener(this);
      pop.add(item);
      item = new JMenuItem(COLOUR);
      item.addActionListener(this);
      pop.add(item);
      item = new JMenuItem(REMOVE);
      item.addActionListener(this);
      pop.add(item);
      pop.show(this, evt.getX(), evt.getY());

      return;
    }

    if (aa == null)
    {
      return;
    }

    ap.scalePanel.mousePressed(evt);

  }

  /**
   * DOCUMENT ME!
   * 
   * @param evt
   *          DOCUMENT ME!
   */
00475   public void mouseReleased(MouseEvent evt)
  {
    graphStretch = -1;
    graphStretchY = -1;
    mouseDragging = false;
    ap.scalePanel.mouseReleased(evt);
  }

  /**
   * DOCUMENT ME!
   * 
   * @param evt
   *          DOCUMENT ME!
   */
00489   public void mouseEntered(MouseEvent evt)
  {
    ap.scalePanel.mouseEntered(evt);
  }

  /**
   * DOCUMENT ME!
   * 
   * @param evt
   *          DOCUMENT ME!
   */
00500   public void mouseExited(MouseEvent evt)
  {
    ap.scalePanel.mouseExited(evt);
  }

  /**
   * DOCUMENT ME!
   * 
   * @param evt
   *          DOCUMENT ME!
   */
00511   public void mouseDragged(MouseEvent evt)
  {
    if (graphStretch > -1)
    {
      av.alignment.getAlignmentAnnotation()[graphStretch].graphHeight += graphStretchY
              - evt.getY();
      if (av.alignment.getAlignmentAnnotation()[graphStretch].graphHeight < 0)
      {
        av.alignment.getAlignmentAnnotation()[graphStretch].graphHeight = 0;
      }
      graphStretchY = evt.getY();
      adjustPanelHeight();
      ap.paintAlignment(true);
    }
    else
    {
      ap.scalePanel.mouseDragged(evt);
    }
  }

  /**
   * DOCUMENT ME!
   * 
   * @param evt
   *          DOCUMENT ME!
   */
00537   public void mouseMoved(MouseEvent evt)
  {
    AlignmentAnnotation[] aa = av.alignment.getAlignmentAnnotation();

    if (aa == null)
    {
      this.setToolTipText(null);
      return;
    }

    int row = -1;
    int height = 0;

    for (int i = 0; i < aa.length; i++)
    {
      if (aa[i].visible)
      {
        height += aa[i].height;
      }

      if (evt.getY() < height)
      {
        row = i;

        break;
      }
    }

    if (row == -1)
    {
      this.setToolTipText(null);
      return;
    }

    int res = (evt.getX() / av.getCharWidth()) + av.getStartRes();

    if (av.hasHiddenColumns)
    {
      res = av.getColumnSelection().adjustForHiddenColumns(res);
    }

    if (row > -1 && aa[row].annotations != null
            && res < (int) aa[row].annotations.length)
    {
      if (aa[row].graphGroup > -1)
      {
        StringBuffer tip = new StringBuffer("<html>");
        for (int gg = 0; gg < aa.length; gg++)
        {
          if (aa[gg].graphGroup == aa[row].graphGroup
                  && aa[gg].annotations[res] != null)
          {
            tip.append(aa[gg].label + " "
                    + aa[gg].annotations[res].description + "<br>");
          }
        }
        if (tip.length() != 6)
        {
          tip.setLength(tip.length() - 4);
          this.setToolTipText(tip.toString() + "</html>");
        }
      }
      else if (aa[row].annotations[res] != null
              && aa[row].annotations[res].description != null
              && aa[row].annotations[res].description.length() > 0)
      {
        this.setToolTipText(aa[row].annotations[res].description);
      }
      else
      {
        // clear the tooltip.
        this.setToolTipText(null);
      }

      if (aa[row].annotations[res] != null)
      {
        StringBuffer text = new StringBuffer("Sequence position "
                + (res + 1));

        if (aa[row].annotations[res].description != null)
        {
          text.append("  " + aa[row].annotations[res].description);
        }

        ap.alignFrame.statusBar.setText(text.toString());
      }
    }
    else
    {
      this.setToolTipText(null);
    }
  }

  /**
   * DOCUMENT ME!
   * 
   * @param evt
   *          DOCUMENT ME!
   */
00636   public void mouseClicked(MouseEvent evt)
  {
  }

  /**
   * DOCUMENT ME!
   * 
   * @param g
   *          DOCUMENT ME!
   */
00646   public void paintComponent(Graphics g)
  {
    g.setColor(Color.white);
    g.fillRect(0, 0, getWidth(), getHeight());

    if (image != null)
    {
      if (fastPaint || (getVisibleRect().width != g.getClipBounds().width)
              || (getVisibleRect().height != g.getClipBounds().height))
      {
        g.drawImage(image, 0, 0, this);
        fastPaint = false;
        return;
      }
    }
    imgWidth = (av.endRes - av.startRes + 1) * av.charWidth;
    if (imgWidth < 1)
      return;
    if (image == null || imgWidth != image.getWidth()
            || image.getHeight(this) != getHeight())
    {
      image = new BufferedImage(imgWidth, ap.annotationPanel.getHeight(),
              BufferedImage.TYPE_INT_RGB);
      gg = (Graphics2D) image.getGraphics();

      if (av.antiAlias)
      {
        gg.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
                RenderingHints.VALUE_ANTIALIAS_ON);
      }

      gg.setFont(av.getFont());
      fm = gg.getFontMetrics();
      gg.setColor(Color.white);
      gg.fillRect(0, 0, imgWidth, image.getHeight());
    }

    drawComponent(gg, av.startRes, av.endRes + 1);
    g.drawImage(image, 0, 0, this);
  }

  /**
   * non-Thread safe repaint
   * 
   * @param horizontal
   *          repaint with horizontal shift in alignment
   */
00693   public void fastPaint(int horizontal)
  {

    if ((horizontal == 0) || gg == null
            || av.alignment.getAlignmentAnnotation() == null
            || av.alignment.getAlignmentAnnotation().length < 1
            || av.updatingConsensus || av.updatingConservation)
    {
      repaint();
      return;
    }
    gg.copyArea(0, 0, imgWidth, getHeight(), -horizontal * av.charWidth, 0);

    int sr = av.startRes;
    int er = av.endRes + 1;
    int transX = 0;

    if (horizontal > 0) // scrollbar pulled right, image to the left
    {
      transX = (er - sr - horizontal) * av.charWidth;
      sr = er - horizontal;
    }
    else if (horizontal < 0)
    {
      er = sr - horizontal;
    }

    gg.translate(transX, 0);

    drawComponent(gg, sr, er);

    gg.translate(-transX, 0);

    fastPaint = true;
    repaint();

  }

  /**
   * DOCUMENT ME!
   * 
   * @param g
   *          DOCUMENT ME!
   * @param startRes
   *          DOCUMENT ME!
   * @param endRes
   *          DOCUMENT ME!
   */
00741   public void drawComponent(Graphics g, int startRes, int endRes)
  {
    if (av.updatingConsensus || av.updatingConservation)
    {
      if (image == null)
      {
        return;
      }
      // We'll keep a record of the old image,
      // and draw a faded image until the calculation
      // has completed
      if (fadedImage == null || fadedImage.getWidth() != imgWidth
              || fadedImage.getHeight() != image.getHeight())
      {
        fadedImage = new BufferedImage(imgWidth, image.getHeight(),
                BufferedImage.TYPE_INT_RGB);

        Graphics2D fadedG = (Graphics2D) fadedImage.getGraphics();

        fadedG.setColor(Color.white);
        fadedG.fillRect(0, 0, imgWidth, image.getHeight());

        fadedG.setComposite(AlphaComposite.getInstance(
                AlphaComposite.SRC_OVER, .3f));
        fadedG.drawImage(image, 0, 0, this);

      }

    }
    else
    {
      fadedImage = null;
    }

    g.setColor(Color.white);
    g.fillRect(0, 0, (endRes - startRes) * av.charWidth, getHeight());

    g.setFont(av.getFont());
    if (fm == null)
    {
      fm = g.getFontMetrics();
    }

    if ((av.alignment.getAlignmentAnnotation() == null)
            || (av.alignment.getAlignmentAnnotation().length < 1))
    {
      g.setColor(Color.white);
      g.fillRect(0, 0, getWidth(), getHeight());
      g.setColor(Color.black);
      if (av.validCharWidth)
      {
        g.drawString("Alignment has no annotations", 20, 15);
      }

      return;
    }

    AlignmentAnnotation[] aa = av.alignment.getAlignmentAnnotation();

    int x = 0, y = 0;
    int column = 0;
    char lastSS;
    int lastSSX;
    int iconOffset = 0;
    boolean validRes = false;
    boolean validEnd = false;
    boolean labelAllCols = false;
    boolean centreColLabels, centreColLabelsDef = av
            .getCentreColumnLabels();
    boolean scaleColLabel = false;
    boolean[] graphGroupDrawn = new boolean[aa.length];
    int charOffset = 0; // offset for a label
    float fmWidth, fmScaling = 1f; // scaling for a label to fit it into a
                                   // column.
    Font ofont = g.getFont();
    // \u03B2 \u03B1
    for (int i = 0; i < aa.length; i++)
    {
      AlignmentAnnotation row = aa[i];

      if (!row.visible)
      {
        continue;
      }
      centreColLabels = row.centreColLabels || centreColLabelsDef;
      labelAllCols = row.showAllColLabels;
      scaleColLabel = row.scaleColLabel;
      lastSS = ' ';
      lastSSX = 0;

      if (row.graph > 0)
      {
        if (row.graphGroup > -1 && graphGroupDrawn[row.graphGroup])
        {
          continue;
        }

        // this is so that we draw the characters below the graph
        y += row.height;

        if (row.hasText)
        {
          iconOffset = av.charHeight - fm.getDescent();
          y -= av.charHeight;
        }
      }
      else if (row.hasText)
      {
        iconOffset = av.charHeight - fm.getDescent();

      }
      else
      {
        iconOffset = 0;
      }

      if (av.updatingConsensus && aa[i] == av.consensus)
      {
        y += av.charHeight;

        g.drawImage(fadedImage, 0, y - row.height, imgWidth, y, 0, y
                - row.height, imgWidth, y, this);
        g.setColor(Color.black);
        // g.drawString("Calculating Consensus....",20, y-row.height/2);

        continue;
      }
      else if (av.updatingConservation
              && aa[i].label.equals("Conservation"))
      {

        y += av.charHeight;
        g.drawImage(fadedImage, 0, y - row.height, imgWidth, y, 0, y
                - row.height, imgWidth, y, this);

        g.setColor(Color.black);
        // g.drawString("Calculating Conservation.....",20, y-row.height/2);

        continue;
      }
      else if (av.updatingConservation && aa[i].label.equals("Quality"))
      {

        y += av.charHeight;
        g.drawImage(fadedImage, 0, y - row.height, imgWidth, y, 0, y
                - row.height, imgWidth, y, this);
        g.setColor(Color.black);
        // / g.drawString("Calculating Quality....",20, y-row.height/2);

        continue;
      }

      x = 0;
      while (x < endRes - startRes)
      {
        if (av.hasHiddenColumns)
        {
          column = av.getColumnSelection().adjustForHiddenColumns(
                  startRes + x);
          if (column > row.annotations.length - 1)
          {
            break;
          }
        }
        else
        {
          column = startRes + x;
        }

        if ((row.annotations == null) || (row.annotations.length <= column)
                || (row.annotations[column] == null))
        {
          validRes = false;
        }
        else
        {
          validRes = true;
        }

        if (activeRow == i)
        {
          g.setColor(Color.red);

          if (av.getColumnSelection() != null)
          {
            for (int n = 0; n < av.getColumnSelection().size(); n++)
            {
              int v = av.getColumnSelection().columnAt(n);

              if (v == column)
              {
                g.fillRect(x * av.charWidth, y, av.charWidth, av.charHeight);
              }
            }
          }
        }

        if (av.validCharWidth && validRes
                && row.annotations[column].displayCharacter != null
                && (row.annotations[column].displayCharacter.length() > 0))
        {

          if (centreColLabels || scaleColLabel)
          {
            fmWidth = (float) fm.charsWidth(
                    row.annotations[column].displayCharacter.toCharArray(),
                    0, row.annotations[column].displayCharacter.length());

            if (scaleColLabel)
            {
              // justify the label and scale to fit in column
              if (fmWidth > av.charWidth)
              {
                // scale only if the current font isn't already small enough
                fmScaling = av.charWidth;
                fmScaling /= fmWidth;
                g.setFont(ofont.deriveFont(AffineTransform
                        .getScaleInstance(fmScaling, 1.0)));
                // and update the label's width to reflect the scaling.
                fmWidth = av.charWidth;
              }
            }
          }
          else
          {
            fmWidth = (float) fm
                    .charWidth(row.annotations[column].displayCharacter
                            .charAt(0));
          }
          charOffset = (int) ((av.charWidth - fmWidth) / 2f);

          if (row.annotations[column].colour == null)
            g.setColor(Color.black);
          else
            g.setColor(row.annotations[column].colour);

          if (column == 0 || row.graph > 0)
          {
            g.drawString(row.annotations[column].displayCharacter,
                    (x * av.charWidth) + charOffset, y + iconOffset);
          }
          else if (row.annotations[column - 1] == null
                  || (labelAllCols
                          || !row.annotations[column].displayCharacter
                                  .equals(row.annotations[column - 1].displayCharacter) || (row.annotations[column].displayCharacter
                          .length() < 2 && row.annotations[column].secondaryStructure == ' ')))
          {
            g.drawString(row.annotations[column].displayCharacter, x
                    * av.charWidth + charOffset, y + iconOffset);
          }
          g.setFont(ofont);
        }

        if (row.hasIcons)
        {
          if (!validRes
                  || (row.annotations[column].secondaryStructure != lastSS))
          {
            switch (lastSS)
            {
            case 'H':
              g.setColor(HELIX_COLOUR);
              if (MAC)
              {
                // Off by 1 offset when drawing rects and ovals
                // to offscreen image on the MAC
                g.fillRoundRect(lastSSX, y + 4 + iconOffset,
                        (x * av.charWidth) - lastSSX, 7, 8, 8);
                break;
              }

              int sCol = (lastSSX / av.charWidth) + startRes;
              int x1 = lastSSX;
              int x2 = (x * av.charWidth);

              if (sCol == 0
                      || row.annotations[sCol - 1] == null
                      || row.annotations[sCol - 1].secondaryStructure != 'H')
              {
                g.fillArc(lastSSX, y + 4 + iconOffset, av.charWidth, 8, 90,
                        180);
                x1 += av.charWidth / 2;
              }

              if (!validRes || row.annotations[column] == null
                      || row.annotations[column].secondaryStructure != 'H')
              {
                g.fillArc((x * av.charWidth) - av.charWidth, y + 4
                        + iconOffset, av.charWidth, 8, 270, 180);
                x2 -= av.charWidth / 2;
              }

              g.fillRect(x1, y + 4 + iconOffset, x2 - x1, 8);
              break;

            case 'E':
              g.setColor(SHEET_COLOUR);
              g.fillRect(lastSSX, y + 4 + iconOffset, (x * av.charWidth)
                      - lastSSX - 4, 7);
              g.fillPolygon(new int[]
              { (x * av.charWidth) - 4, (x * av.charWidth) - 4,
                  (x * av.charWidth) }, new int[]
              { y + iconOffset, y + 14 + iconOffset, y + 8 + iconOffset },
                      3);

              break;

            default:
              g.setColor(Color.gray);
              g.fillRect(lastSSX, y + 6 + iconOffset, (x * av.charWidth)
                      - lastSSX, 2);

              break;
            }

            if (validRes)
            {
              lastSS = row.annotations[column].secondaryStructure;
            }
            else
            {
              lastSS = ' ';
            }

            lastSSX = (x * av.charWidth);
          }
        }

        column++;
        x++;
      }

      if (column >= row.annotations.length)
      {
        column = row.annotations.length - 1;
        validEnd = false;
      }
      else
      {
        validEnd = true;
      }

      // x ++;

      if (row.hasIcons)
      {
        switch (lastSS)
        {
        case 'H':
          g.setColor(HELIX_COLOUR);
          if (MAC)
          {
            // Off by 1 offset when drawing rects and ovals
            // to offscreen image on the MAC
            g.fillRoundRect(lastSSX, y + 4 + iconOffset, (x * av.charWidth)
                    - lastSSX, 7, 8, 8);
            break;
          }

          int sCol = (lastSSX / av.charWidth) + startRes;
          int x1 = lastSSX;
          int x2 = (x * av.charWidth);

          if (sCol == 0 || row.annotations[sCol - 1] == null
                  || row.annotations[sCol - 1].secondaryStructure != 'H')
          {
            g.fillArc(lastSSX, y + 4 + iconOffset, av.charWidth, 8, 90, 180);
            x1 += av.charWidth / 2;
          }

          if (row.annotations[column] == null
                  || row.annotations[column].secondaryStructure != 'H')
          {
            g.fillArc((x * av.charWidth) - av.charWidth,
                    y + 4 + iconOffset, av.charWidth, 8, 270, 180);
            x2 -= av.charWidth / 2;
          }

          g.fillRect(x1, y + 4 + iconOffset, x2 - x1, 8);

          break;

        case 'E':
          g.setColor(SHEET_COLOUR);

          if (!validEnd || row.annotations[endRes] == null
                  || row.annotations[endRes].secondaryStructure != 'E')
          {
            g.fillRect(lastSSX, y + 4 + iconOffset, (x * av.charWidth)
                    - lastSSX - 4, 7);
            g.fillPolygon(new int[]
            { (x * av.charWidth) - 4, (x * av.charWidth) - 4,
                (x * av.charWidth) }, new int[]
            { y + iconOffset, y + 14 + iconOffset, y + 7 + iconOffset }, 3);
          }
          else
          {
            g.fillRect(lastSSX, y + 4 + iconOffset, (x + 1) * av.charWidth
                    - lastSSX, 7);
          }
          break;

        default:
          g.setColor(Color.gray);
          g.fillRect(lastSSX, y + 6 + iconOffset, (x * av.charWidth)
                  - lastSSX, 2);

          break;
        }
      }

      if (row.graph > 0 && row.graphHeight > 0)
      {
        if (row.graph == AlignmentAnnotation.LINE_GRAPH)
        {
          if (row.graphGroup > -1 && !graphGroupDrawn[row.graphGroup])
          {
            float groupmax = -999999, groupmin = 9999999;
            for (int gg = 0; gg < aa.length; gg++)
            {
              if (aa[gg].graphGroup != row.graphGroup)
              {
                continue;
              }

              if (aa[gg] != row)
              {
                aa[gg].visible = false;
              }

              if (aa[gg].graphMax > groupmax)
              {
                groupmax = aa[gg].graphMax;
              }
              if (aa[gg].graphMin < groupmin)
              {
                groupmin = aa[gg].graphMin;
              }
            }

            for (int gg = 0; gg < aa.length; gg++)
            {
              if (aa[gg].graphGroup == row.graphGroup)
              {
                drawLineGraph(g, aa[gg], startRes, endRes, y, groupmin,
                        groupmax, row.graphHeight);
              }
            }

            graphGroupDrawn[row.graphGroup] = true;
          }
          else
          {
            drawLineGraph(g, row, startRes, endRes, y, row.graphMin,
                    row.graphMax, row.graphHeight);
          }
        }
        else if (row.graph == AlignmentAnnotation.BAR_GRAPH)
        {
          drawBarGraph(g, row, startRes, endRes, row.graphMin,
                  row.graphMax, y);
        }
      }

      if (row.graph > 0 && row.hasText)
      {
        y += av.charHeight;
      }

      if (row.graph == 0)
      {
        y += aa[i].height;
      }
    }
  }

  public void drawLineGraph(Graphics g, AlignmentAnnotation aa, int sRes,
          int eRes, int y, float min, float max, int graphHeight)
  {
    if (sRes > aa.annotations.length)
    {
      return;
    }

    int x = 0;

    // Adjustment for fastpaint to left
    if (eRes < av.endRes)
    {
      eRes++;
    }

    eRes = Math.min(eRes, aa.annotations.length);

    if (sRes == 0)
    {
      x++;
    }

    int y1 = y, y2 = y;
    float range = max - min;

    // //Draw origin
    if (min < 0)
    {
      y2 = y - (int) ((0 - min / range) * graphHeight);
    }

    g.setColor(Color.gray);
    g.drawLine(x - av.charWidth, y2, (eRes - sRes + 1) * av.charWidth, y2);

    eRes = Math.min(eRes, aa.annotations.length);

    int column;
    int aaMax = aa.annotations.length - 1;

    while (x < eRes - sRes)
    {
      column = sRes + x;
      if (av.hasHiddenColumns)
      {
        column = av.getColumnSelection().adjustForHiddenColumns(column);
      }

      if (column > aaMax)
      {
        break;
      }

      if (aa.annotations[column] == null
              || aa.annotations[column - 1] == null)
      {
        x++;
        continue;
      }

      if (aa.annotations[column].colour == null)
        g.setColor(Color.black);
      else
        g.setColor(aa.annotations[column].colour);

      y1 = y
              - (int) (((aa.annotations[column - 1].value - min) / range) * graphHeight);
      y2 = y
              - (int) (((aa.annotations[column].value - min) / range) * graphHeight);

      g.drawLine(x * av.charWidth - av.charWidth / 2, y1, x * av.charWidth
              + av.charWidth / 2, y2);
      x++;
    }

    if (aa.threshold != null)
    {
      g.setColor(aa.threshold.colour);
      Graphics2D g2 = (Graphics2D) g;
      g2.setStroke(new BasicStroke(1, BasicStroke.CAP_SQUARE,
              BasicStroke.JOIN_ROUND, 3f, new float[]
              { 5f, 3f }, 0f));

      y2 = (int) (y - ((aa.threshold.value - min) / range) * graphHeight);
      g.drawLine(0, y2, (eRes - sRes) * av.charWidth, y2);
      g2.setStroke(new BasicStroke());
    }
  }

  public void drawBarGraph(Graphics g, AlignmentAnnotation aa, int sRes,
          int eRes, float min, float max, int y)
  {
    ColourSchemeI profcolour = av.getGlobalColourScheme();
    if (profcolour == null)
    {
      profcolour = new jalview.schemes.ZappoColourScheme();
    }
    if (sRes > aa.annotations.length)
    {
      return;
    }
    Font ofont = g.getFont();
    eRes = Math.min(eRes, aa.annotations.length);

    int x = 0, y1 = y, y2 = y;

    float range = max - min;

    if (min < 0)
    {
      y2 = y - (int) ((0 - min / (range)) * aa.graphHeight);
    }

    g.setColor(Color.gray);

    g.drawLine(x, y2, (eRes - sRes) * av.charWidth, y2);

    int column;
    int aaMax = aa.annotations.length - 1;
    boolean renderHistogram = true, renderProfile = true;
    if (aa.autoCalculated && aa.label.startsWith("Consensus"))
    {
      // TODO: generalise this to have render styles for consensus/profile data
      if (aa.groupRef != null)
      {
        renderHistogram = aa.groupRef.isShowConsensusHistogram();
        renderProfile = aa.groupRef.isShowSequenceLogo();
      }
      else
      {
        renderHistogram = av.isShowConsensusHistogram();
        renderProfile = av.isShowSequenceLogo();
      }
    }
    while (x < eRes - sRes)
    {
      column = sRes + x;
      if (av.hasHiddenColumns)
      {
        column = av.getColumnSelection().adjustForHiddenColumns(column);
      }

      if (column > aaMax)
      {
        break;
      }

      if (aa.annotations[column] == null)
      {
        x++;
        continue;
      }
      if (aa.annotations[column].colour == null)
        g.setColor(Color.black);
      else
        g.setColor(aa.annotations[column].colour);

      y1 = y
              - (int) (((aa.annotations[column].value - min) / (range)) * aa.graphHeight);

      if (renderHistogram)
      {
        if (y1 - y2 > 0)
        {
          g.fillRect(x * av.charWidth, y2, av.charWidth, y1 - y2);
        }
        else
        {
          g.fillRect(x * av.charWidth, y1, av.charWidth, y2 - y1);
        }
      }
      // draw profile if available
      if (renderProfile && aa.annotations[column].value != 0)
      {
        int profl[] = getProfileFor(aa, column);
        int ht = y1, htn = y2 - y1;// aa.graphHeight;
        float wdth;
        double ht2 = 0;
        char[] dc = new char[1];
        LineMetrics lm;
        for (int c = 1; profl != null && c < profl[0];)
        {
          dc[0] = (char) profl[c++];
          wdth = av.charWidth;
          wdth /= (float) fm.charsWidth(dc, 0, 1);

          if (c > 2)
          {
            ht += (int) ht2;
          }
          {
            // if (aa.annotations[column].value==0) {
            // g.setFont(ofont.deriveFont(AffineTransform.getScaleInstance(wdth,
            // (ht2=(aa.graphHeight*0.1/av.charHeight)))));
            // ht = y2-(int)ht2;
            // } else {
            g.setFont(ofont.deriveFont(AffineTransform.getScaleInstance(
                    wdth, (ht2 = (htn * ((double) profl[c++]) / 100.0))
                            / av.charHeight)));
            lm = g.getFontMetrics().getLineMetrics(dc, 0, 1, g);
            // htn -=ht2;
            // }
            g.setColor(profcolour.findColour(dc[0])); // (av.globalColourScheme!=null)
                                                      // ? );// try to get a
                                                      // colourscheme for the
                                                      // group(aa.groupRef.cs==null)
                                                      // ? av.textColour2 :
                                                      // cs.findColour(dc));
            g.drawChars(dc, 0, 1, x * av.charWidth,
                    (int) (ht + lm.getHeight()));
            // ht+=g.getFontMetrics().getAscent()-g.getFontMetrics().getDescent();
          }
        }
        g.setFont(ofont);
      }
      x++;
    }
    if (aa.threshold != null)
    {
      g.setColor(aa.threshold.colour);
      Graphics2D g2 = (Graphics2D) g;
      g2.setStroke(new BasicStroke(1, BasicStroke.CAP_SQUARE,
              BasicStroke.JOIN_ROUND, 3f, new float[]
              { 5f, 3f }, 0f));

      y2 = (int) (y - ((aa.threshold.value - min) / range) * aa.graphHeight);
      g.drawLine(0, y2, (eRes - sRes) * av.charWidth, y2);
      g2.setStroke(new BasicStroke());
    }
  }

  private int[] getProfileFor(AlignmentAnnotation aa, int column)
  {
    if (aa.autoCalculated && aa.label.startsWith("Consensus"))
    {
      if (aa.groupRef != null && aa.groupRef.consensusData != null
              && aa.groupRef.isShowSequenceLogo())
      {
        return AAFrequency.extractProfile(
                aa.groupRef.consensusData[column],
                aa.groupRef.getIgnoreGapsConsensus());
      }
      // TODO extend annotation row to enable dynamic and static profile data to
      // be stored
      if (aa.groupRef == null && aa.sequenceRef == null
              && av.isShowSequenceLogo())
      {
        return AAFrequency.extractProfile(av.hconsensus[column],
                av.getIgnoreGapsConsensus());
      }
    }
    return null;
  }

  // used by overview window
  public void drawGraph(Graphics g, AlignmentAnnotation aa, int width,
          int y, int sRes, int eRes)
  {
    eRes = Math.min(eRes, aa.annotations.length);
    g.setColor(Color.white);
    g.fillRect(0, 0, width, y);
    g.setColor(new Color(0, 0, 180));

    int x = 0, height;

    for (int j = sRes; j < eRes; j++)
    {
      if (aa.annotations[j] != null)
      {
        if (aa.annotations[j].colour == null)
          g.setColor(Color.black);
        else
          g.setColor(aa.annotations[j].colour);

        height = (int) ((aa.annotations[j].value / aa.graphMax) * y);
        if (height > y)
        {
          height = y;
        }

        g.fillRect(x, y - height, av.charWidth, height);
      }
      x += av.charWidth;
    }
  }

}

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