- AlignViewport av;
- Color resBoxColour;
- float transparency = 1.0f;
- FontMetrics fm;
- int charOffset;
-
- Hashtable featureColours = new Hashtable();
-
- // A higher level for grouping features of a
- // particular type
- Hashtable featureGroups = null;
-
- // This is actually an Integer held in the hashtable,
- // Retrieved using the key feature type
- Object currentColour;
-
- String[] renderOrder;
- PropertyChangeSupport changeSupport=new PropertyChangeSupport(this);
-
- Vector allfeatures;
-
- /**
- * Creates a new FeatureRenderer object.
- *
- * @param av
- * DOCUMENT ME!
- */
- public FeatureRenderer(AlignViewport av)
- {
- this.av = av;
- }
-
- public void transferSettings(FeatureRenderer fr)
- {
- renderOrder = fr.renderOrder;
- featureGroups = fr.featureGroups;
- featureColours = fr.featureColours;
- transparency = fr.transparency;
- featureOrder = fr.featureOrder;
- }
-
- BufferedImage offscreenImage;
- boolean offscreenRender = false;
- public Color findFeatureColour(Color initialCol, SequenceI seq, int res)
- {
- return new Color(findFeatureColour(initialCol.getRGB(),
- seq, res));
- }
-
- /**
- * This is used by the Molecule Viewer and Overview to get the accurate
- * colourof the rendered sequence
- */
- public int findFeatureColour(int initialCol, SequenceI seq, int column)
- {
- if (!av.showSequenceFeatures)
- {
- return initialCol;
- }
-
- if (seq != lastSeq)
- {
- lastSeq = seq;
- sequenceFeatures = lastSeq.getDatasetSequence().getSequenceFeatures();
- if (sequenceFeatures!=null)
- {
- sfSize = sequenceFeatures.length;
- }
- }
-
- if (sequenceFeatures!=lastSeq.getDatasetSequence().getSequenceFeatures()) {
- sequenceFeatures = lastSeq.getDatasetSequence().getSequenceFeatures();
- if (sequenceFeatures != null)
- {
- sfSize = sequenceFeatures.length;
- }
- }
-
- if (sequenceFeatures == null)
- {
- return initialCol;
- }
-
-
- if (jalview.util.Comparison.isGap(lastSeq.getCharAt(column)))
- {
- return Color.white.getRGB();
- }
-
- // Only bother making an offscreen image if transparency is applied
- if (transparency != 1.0f && offscreenImage == null)
- {
- offscreenImage = new BufferedImage(1, 1, BufferedImage.TYPE_INT_ARGB);
- }
-
- currentColour = null;
-
- offscreenRender = true;
-
- if (offscreenImage != null)
- {
- offscreenImage.setRGB(0, 0, initialCol);
- drawSequence(offscreenImage.getGraphics(),
- lastSeq,
- column, column, 0);
-
- return offscreenImage.getRGB(0, 0);
- }
- else
- {
- drawSequence(null,
- lastSeq,
- lastSeq.findPosition(column),
- -1, -1);
-
- if (currentColour == null)
- {
- return initialCol;
- }
- else
- {
- return ( (Integer) currentColour).intValue();
- }
- }
-
- }
-
- /**
- * DOCUMENT ME!
- *
- * @param g
- * DOCUMENT ME!
- * @param seq
- * DOCUMENT ME!
- * @param sg
- * DOCUMENT ME!
- * @param start
- * DOCUMENT ME!
- * @param end
- * DOCUMENT ME!
- * @param x1
- * DOCUMENT ME!
- * @param y1
- * DOCUMENT ME!
- * @param width
- * DOCUMENT ME!
- * @param height
- * DOCUMENT ME!
- */
- // String type;
- // SequenceFeature sf;
- SequenceI lastSeq;
- SequenceFeature[] sequenceFeatures;
- int sfSize, sfindex, spos, epos;
-
- public void drawSequence(Graphics g, SequenceI seq,
- int start, int end, int y1)
- {
- if (seq.getDatasetSequence().getSequenceFeatures() == null
- || seq.getDatasetSequence().getSequenceFeatures().length == 0)
- {
- return;
- }
-
- if (g != null)
- {
- fm = g.getFontMetrics();
- }
-
- if (av.featuresDisplayed == null
- || renderOrder == null
- || newFeatureAdded)
- {
- findAllFeatures();
- if (av.featuresDisplayed.size() < 1)
- {
- return;
- }
-
- sequenceFeatures = seq.getDatasetSequence().getSequenceFeatures();
- sfSize = sequenceFeatures.length;
- }
-
- if (lastSeq == null || seq != lastSeq
- || seq.getDatasetSequence().getSequenceFeatures()!=sequenceFeatures)
- {
- lastSeq = seq;
- sequenceFeatures = seq.getDatasetSequence().getSequenceFeatures();
- sfSize = sequenceFeatures.length;
- }
-
- if (transparency != 1 && g != null)
- {
- Graphics2D g2 = (Graphics2D) g;
- g2.setComposite(
- AlphaComposite.getInstance(
- AlphaComposite.SRC_OVER, transparency));
- }
-
- if (!offscreenRender)
- {
- spos = lastSeq.findPosition(start);
- epos = lastSeq.findPosition(end);
- }
-
- String type;
- for (int renderIndex = 0; renderIndex < renderOrder.length; renderIndex++)
- {
- type = renderOrder[renderIndex];
-
- if (type == null || !av.featuresDisplayed.containsKey(type))
- {
- continue;
- }
-
- // loop through all features in sequence to find
- // current feature to render
- for (sfindex = 0; sfindex < sfSize; sfindex++)
- {
- if (sequenceFeatures.length <= sfindex)
- {
- continue;
- }
- if (!sequenceFeatures[sfindex].type.equals(type))
- {
- continue;
- }
-
- if (featureGroups != null
- && sequenceFeatures[sfindex].featureGroup != null
- &&
- featureGroups.containsKey(sequenceFeatures[sfindex].featureGroup)
- &&
- ! ( (Boolean) featureGroups.get(sequenceFeatures[sfindex].
- featureGroup)).
- booleanValue())
- {
- continue;
- }
-
- if (!offscreenRender && (sequenceFeatures[sfindex].getBegin() > epos
- || sequenceFeatures[sfindex].getEnd() < spos))
- {
- continue;
- }
-
- if (offscreenRender && offscreenImage == null)
- {
- if (sequenceFeatures[sfindex].begin <= start &&
- sequenceFeatures[sfindex].end >= start)
- {
- currentColour = av.featuresDisplayed.get(sequenceFeatures[sfindex].
- type);
- }
- }
- else if (sequenceFeatures[sfindex].type.equals("disulfide bond"))
- {
-
- renderFeature(g, seq,
- seq.findIndex(sequenceFeatures[sfindex].begin) - 1,
- seq.findIndex(sequenceFeatures[sfindex].begin) - 1,
- new Color( ( (Integer) av.featuresDisplayed.get(
- sequenceFeatures[sfindex].type)).intValue()),
- start, end, y1);
- renderFeature(g, seq,
- seq.findIndex(sequenceFeatures[sfindex].end) - 1,
- seq.findIndex(sequenceFeatures[sfindex].end) - 1,
- new Color( ( (Integer) av.featuresDisplayed.get(
- sequenceFeatures[sfindex].type)).intValue()),
- start, end, y1);
-
- }
- else
- {
- renderFeature(g, seq,
- seq.findIndex(sequenceFeatures[sfindex].begin) - 1,
- seq.findIndex(sequenceFeatures[sfindex].end) - 1,
- getColour(sequenceFeatures[sfindex].type),
- start, end, y1);
- }
-
- }
-
- }
-
- if (transparency != 1.0f && g != null)
- {
- Graphics2D g2 = (Graphics2D) g;
- g2.setComposite(
- AlphaComposite.getInstance(
- AlphaComposite.SRC_OVER, 1.0f));
- }
- }
-
- char s;
- int i;
- void renderFeature(Graphics g, SequenceI seq,
- int fstart, int fend, Color featureColour, int start,
- int end, int y1)
- {
-
- if ( ( (fstart <= end) && (fend >= start)))
- {
- if (fstart < start)
- { // fix for if the feature we have starts before the sequence start,
- fstart = start; // but the feature end is still valid!!
- }
-
- if (fend >= end)
- {
- fend = end;
- }
- int pady = (y1 + av.charHeight) - av.charHeight / 5;
- for (i = fstart; i <= fend; i++)
- {
- s = seq.getCharAt(i);
-
- if (jalview.util.Comparison.isGap(s))
- {
- continue;
- }
-
- g.setColor(featureColour);
-
- g.fillRect( (i - start) * av.charWidth, y1, av.charWidth, av.charHeight);
-
- if (offscreenRender || !av.validCharWidth)
- {
- continue;
- }
-
- g.setColor(Color.white);
- charOffset = (av.charWidth - fm.charWidth(s)) / 2;
- g.drawString(String.valueOf(s),
- charOffset + (av.charWidth * (i - start)),
- pady);
-
- }
- }
- }
-
- boolean newFeatureAdded = false;
- /**
- * Called when alignment in associated view has new/modified features
- * to discover and display.
- *
- */
- public void featuresAdded()
- {
- lastSeq=null;
- findAllFeatures();
- }
-
- boolean findingFeatures = false;
- /**
- * search the alignment for all new features, give them a colour and display
- * them. Then fires a PropertyChangeEvent on the changeSupport object.
- *
- */
- synchronized void findAllFeatures()
- {
- findAllFeatures(true); // add all new features as visible
- if (!firing) {
- firing=true;
- changeSupport.firePropertyChange("changeSupport",null,null);
- firing=false;
- }
- }
- /**
- * Searches alignment for all features and updates colours
- *
- * @param newMadeVisible
- * if true newly added feature types will be rendered immediatly
- */
- synchronized void findAllFeatures(boolean newMadeVisible) {
- newFeatureAdded = false;
-
- if (findingFeatures)
- {
- newFeatureAdded = true;
- return;
- }
-
- findingFeatures = true;
-
- if (av.featuresDisplayed == null)
- {
- av.featuresDisplayed = new Hashtable();
- }
-
- allfeatures = new Vector();
- Vector oldfeatures = new Vector();
- if (renderOrder!=null)
- {
- for (int i=0; i<renderOrder.length; i++) {
- if (renderOrder[i]!=null)
- {
- oldfeatures.addElement(renderOrder[i]);
- }
- }
- }
- for (int i = 0; i < av.alignment.getHeight(); i++)
- {
- SequenceFeature[] features
- = av.alignment.getSequenceAt(i).getDatasetSequence().
- getSequenceFeatures();
-
- if (features == null)
- {
- continue;
- }