package jalview.gui;
import jalview.api.AlignViewportI;
-import jalview.datamodel.SequenceI;
-import jalview.renderer.AnnotationRenderer;
-import jalview.renderer.seqfeatures.FeatureColourFinder;
+import jalview.renderer.OverviewRenderer;
import jalview.viewmodel.OverviewDimensions;
import java.awt.Color;
import javax.swing.JComponent;
-
public class OverviewCanvas extends JComponent
{
private static final Color TRANS_GREY = new Color(100, 100, 100, 25);
// the overview is being calculated
private volatile boolean restart = false;
+ private volatile boolean updaterunning = false;
+
private BufferedImage miniMe;
private BufferedImage lastMiniMe = null;
-
-
// Can set different properties in this seqCanvas than
// main visible SeqCanvas
private SequenceRenderer sr;
private jalview.renderer.seqfeatures.FeatureRenderer fr;
- private final AnnotationRenderer renderer = new AnnotationRenderer();
+ private OverviewDimensions od;
- OverviewDimensions od;
-
- AlignViewport av;
-
- AlignmentPanel ap;
+ private AlignViewportI av;
public OverviewCanvas(OverviewDimensions overviewDims,
- AlignViewportI alignvp, AlignmentPanel alignp)
+ AlignViewportI alignvp)
{
od = overviewDims;
- av = alignp.av;
- ap = alignp;
+ av = alignvp;
sr = new SequenceRenderer(av);
sr.renderGaps = false;
sr.forOverview = true;
- fr = new FeatureRenderer(ap);
+ fr = new jalview.renderer.seqfeatures.FeatureRenderer(av);
}
- /*
- * Signals to drawing code that the associated alignment viewport
- * has changed and a redraw will be required
+ /**
+ * Update the overview dimensions object used by the canvas (e.g. if we change
+ * from showing hidden columns to hiding them or vice versa)
+ *
+ * @param overviewDims
*/
- public void restartDraw()
+ public void resetOviewDims(OverviewDimensions overviewDims)
{
- restart = true;
+ od = overviewDims;
+ }
+
+ /**
+ * Signals to drawing code that the associated alignment viewport has changed
+ * and a redraw will be required
+ */
+ public boolean restartDraw()
+ {
+ synchronized (this)
+ {
+ if (updaterunning)
+ {
+ restart = true;
+ }
+ else
+ {
+ updaterunning = true;
+ }
+ return restart;
+ }
}
- public void draw(boolean showSequenceFeatures, boolean showAnnotation)
+ /**
+ * Draw the overview sequences
+ *
+ * @param showSequenceFeatures
+ * true if sequence features are to be shown
+ * @param showAnnotation
+ * true if the annotation is to be shown
+ * @param transferRenderer
+ * the renderer to transfer feature colouring from
+ */
+ public void draw(boolean showSequenceFeatures, boolean showAnnotation,
+ FeatureRenderer transferRenderer)
{
miniMe = null;
if (showSequenceFeatures)
{
- fr.transferSettings(ap.getSeqPanel().seqCanvas.getFeatureRenderer());
+ fr.transferSettings(transferRenderer);
}
- // why do we need to set preferred size again? was set in
- // updateOverviewImage
setPreferredSize(new Dimension(od.getWidth(), od.getHeight()));
- miniMe = new BufferedImage(od.getWidth(), od.getHeight(),
- BufferedImage.TYPE_INT_RGB);
+ OverviewRenderer or = new OverviewRenderer(sr, fr, od);
+ miniMe = or.draw(od.getRows(av.getAlignment()),
+ od.getColumns(av.getAlignment()));
Graphics mg = miniMe.getGraphics();
- mg.setColor(Color.orange);
- mg.fillRect(0, 0, od.getWidth(), miniMe.getHeight());
-
- // calculate sampleCol and sampleRow
- // alignment width is max number of residues/bases
- // alignment height is number of sequences
- int alwidth = av.getAlignment().getWidth();
- int alheight = av.getAlignment().getAbsoluteHeight();
-
- // sampleCol or sampleRow is the width/height allocated to each residue
- // in particular, sometimes we may need more than one row/col of the
- // BufferedImage allocated
- // sampleCol is how much of a residue to assign to each pixel
- // sampleRow is how many sequences to assign to each pixel
- float sampleCol = alwidth / (float) od.getWidth();
- float sampleRow = alheight / (float) od.getSequencesHeight();
-
- buildImage(sampleRow, sampleCol);
if (showAnnotation)
{
- renderer.updateFromAlignViewport(av);
- for (int col = 0; col < od.getWidth() && !restart; col++)
- {
- mg.translate(col, od.getSequencesHeight());
- renderer.drawGraph(mg, av.getAlignmentConservationAnnotation(),
- av.getAlignmentConservationAnnotation().annotations,
- (int) (sampleCol) + 1, od.getGraphHeight(),
- (int) (col * sampleCol), (int) (col * sampleCol) + 1);
- mg.translate(-col, -od.getSequencesHeight());
-
- }
+ mg.translate(0, od.getSequencesHeight());
+ or.drawGraph(mg, av.getAlignmentConservationAnnotation(),
+ av.getCharWidth(), od.getGraphHeight(),
+ od.getColumns(av.getAlignment()));
+ mg.translate(0, -od.getSequencesHeight());
}
System.gc();
if (restart)
{
restart = false;
- draw(showSequenceFeatures, showAnnotation);
+ draw(showSequenceFeatures, showAnnotation, transferRenderer);
}
else
{
+ updaterunning = false;
lastMiniMe = miniMe;
}
}
od.drawBox(g);
}
- /*
- * Build the overview panel image
- */
- private void buildImage(float sampleRow, float sampleCol)
- {
- int lastcol = -1;
- int lastrow = -1;
- int rgbcolor = Color.white.getRGB();
-
- SequenceI seq = null;
- FeatureColourFinder finder = new FeatureColourFinder(fr);
-
- final boolean hasHiddenCols = av.hasHiddenColumns();
- boolean hiddenRow = false;
- // get hidden row and hidden column map once at beginning.
- // clone featureRenderer settings to avoid race conditions... if state is
- // updated just need to refresh again
- for (int row = 0; row < od.getSequencesHeight() && !restart; row++)
- {
- boolean doCopy = true;
- int currentrow = (int) (row * sampleRow);
- if (currentrow != lastrow)
- {
- doCopy = false;
-
- lastrow = currentrow;
-
- // get the sequence which would be at alignment index 'lastrow' if no
- // rows were hidden, and determine whether it is hidden or not
- hiddenRow = av.getAlignment().isHidden(lastrow);
- seq = av.getAlignment().getSequenceAtAbsoluteIndex(lastrow);
- }
-
- for (int col = 0; col < od.getWidth() && !restart; col++)
- {
- if (doCopy)
- {
- rgbcolor = miniMe.getRGB(col, row - 1);
- }
- else if ((int) (col * sampleCol) != lastcol
- || (int) (row * sampleRow) != lastrow)
- {
- lastcol = (int) (col * sampleCol);
- rgbcolor = getColumnColourFromSequence(seq, hiddenRow,
- hasHiddenCols, lastcol, finder);
- }
- // else we just use the color we already have , so don't need to set it
-
- miniMe.setRGB(col, row, rgbcolor);
- }
- }
- }
-
- /*
- * Find the colour of a sequence at a specified column position
- */
- private int getColumnColourFromSequence(jalview.datamodel.SequenceI seq,
- boolean hiddenRow, boolean hasHiddenCols, int lastcol,
- FeatureColourFinder finder)
- {
- Color color = Color.white;
-
- if ((seq != null) && (seq.getLength() > lastcol))
- {
- color = sr.getResidueColour(seq, lastcol, finder);
- }
-
- if (hiddenRow
- || (hasHiddenCols && !av.getColumnSelection()
- .isVisible(lastcol)))
- {
- color = color.darker().darker();
- }
-
- return color.getRGB();
- }
-
}