*/
package jalview.gui;
-import jalview.api.RotatableCanvasI;
-import jalview.bin.Cache;
-import jalview.datamodel.SequenceGroup;
-import jalview.datamodel.SequenceI;
-import jalview.datamodel.SequencePoint;
-import jalview.math.RotatableMatrix;
-import jalview.util.MessageManager;
-import jalview.viewmodel.AlignmentViewport;
-
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.event.MouseMotionListener;
import java.awt.event.MouseWheelEvent;
import java.awt.event.MouseWheelListener;
-import java.util.Vector;
+import java.util.Arrays;
+import java.util.Iterator;
+import java.util.List;
import javax.swing.JPanel;
import javax.swing.ToolTipManager;
+import jalview.api.RotatableCanvasI;
+import jalview.datamodel.Point;
+import jalview.datamodel.SequenceGroup;
+import jalview.datamodel.SequenceI;
+import jalview.datamodel.SequencePoint;
+import jalview.math.RotatableMatrix;
+import jalview.math.RotatableMatrix.Axis;
+import jalview.util.ColorUtils;
+import jalview.util.MessageManager;
+import jalview.viewmodel.AlignmentViewport;
+
/**
- * DOCUMENT ME!
- *
- * @author $author$
- * @version $Revision$
+ * Models a Panel on which a set of points, and optionally x/y/z axes, can be
+ * drawn, and rotated or zoomed with the mouse
*/
-public class RotatableCanvas extends JPanel implements MouseListener,
- MouseMotionListener, KeyListener, RotatableCanvasI
+public class RotatableCanvas extends JPanel
+ implements MouseListener, MouseMotionListener, KeyListener,
+ RotatableCanvasI, MouseWheelListener
{
- RotatableMatrix idmat = new RotatableMatrix(3, 3);
+ private static final float ZOOM_OUT = 0.9f;
- RotatableMatrix objmat = new RotatableMatrix(3, 3);
+ private static final float ZOOM_IN = 1.1f;
- RotatableMatrix rotmat = new RotatableMatrix(3, 3);
+ /*
+ * pixels distance within which tooltip shows sequence name
+ */
+ private static final int NEARBY = 3;
- // RubberbandRectangle rubberband;
- boolean drawAxes = true;
+ private static final List<String> AXES = Arrays.asList("x", "y", "z");
- int omx = 0;
+ private static final Color AXIS_COLOUR = Color.yellow;
- int mx = 0;
+ private static final int DIMS = 3;
- int omy = 0;
+ boolean drawAxes = true;
- int my = 0;
+ int mouseX;
+
+ int mouseY;
Image img;
Graphics ig;
- Dimension prefsize;
-
- float[] centre = new float[3];
-
- float[] width = new float[3];
+ Dimension prefSize;
- float[] max = new float[3];
-
- float[] min = new float[3];
+ /*
+ * the min-max [x, y, z] values of sequence points when the points
+ * were set on the object, or when the view is reset;
+ * x and y ranges are not recomputed as points are rotated, as this
+ * would make scaling (zoom) unstable, but z ranges are (for correct
+ * graduated colour brightness based on z-coordinate)
+ */
+ float[] seqMin;
- float maxwidth;
+ float[] seqMax;
- float scale;
+ /*
+ * a scale factor used in drawing; when equal to 1, the points span
+ * half the available width or height (whichever is less); increase this
+ * factor to zoom in, decrease it to zoom out
+ */
+ private float scaleFactor;
int npoint;
- Vector<SequencePoint> points;
-
- float[][] orig;
-
- float[][] axes;
-
- int startx;
-
- int starty;
-
- int lastx;
-
- int lasty;
-
- int rectx1;
-
- int recty1;
-
- int rectx2;
+ /*
+ * sequences and their (x, y, z) PCA dimension values
+ */
+ List<SequencePoint> sequencePoints;
- int recty2;
+ /*
+ * x, y, z axis end points (PCA dimension values)
+ */
+ private Point[] axisEndPoints;
- float scalefactor = 1;
+ // fields for 'select rectangle' (JAL-1124)
+ // int rectx1;
+ // int recty1;
+ // int rectx2;
+ // int recty2;
AlignmentViewport av;
AlignmentPanel ap;
- boolean showLabels = false;
+ private boolean showLabels;
- Color bgColour = Color.black;
+ private Color bgColour;
- boolean applyToAllViews = false;
+ private boolean applyToAllViews;
- boolean first = true;
-
- public RotatableCanvas(AlignmentPanel ap)
+ /**
+ * Constructor
+ *
+ * @param panel
+ */
+ public RotatableCanvas(AlignmentPanel panel)
{
- this.av = ap.av;
- this.ap = ap;
-
- addMouseWheelListener(new MouseWheelListener()
- {
- @Override
- public void mouseWheelMoved(MouseWheelEvent e)
- {
- double wheelRotation = e.getPreciseWheelRotation();
- if (wheelRotation > 0)
- {
- /*
- * zoom in
- */
- scale = (float) (scale * 1.1);
- repaint();
- }
- else if (wheelRotation < 0)
- {
- /*
- * zoom out
- */
- scale = (float) (scale * 0.9);
- repaint();
- }
- }
- });
-
+ this.av = panel.av;
+ this.ap = panel;
+ setAxisEndPoints(new Point[DIMS]);
+ setShowLabels(false);
+ setApplyToAllViews(false);
+ setBgColour(Color.BLACK);
+ resetAxes();
+
+ ToolTipManager.sharedInstance().registerComponent(this);
+
+ addMouseListener(this);
+ addMouseMotionListener(this);
+ addMouseWheelListener(this);
}
- public void showLabels(boolean b)
+ /**
+ * Refreshes the display with labels shown (or not)
+ *
+ * @param show
+ */
+ public void showLabels(boolean show)
{
- showLabels = b;
+ setShowLabels(show);
repaint();
}
@Override
- public void setPoints(Vector<SequencePoint> points, int npoint)
+ public void setPoints(List<SequencePoint> points, int np)
{
- this.points = points;
- this.npoint = npoint;
- if (first)
- {
- ToolTipManager.sharedInstance().registerComponent(this);
- ToolTipManager.sharedInstance().setInitialDelay(0);
- ToolTipManager.sharedInstance().setDismissDelay(10000);
- }
- prefsize = getPreferredSize();
- orig = new float[npoint][3];
+ this.sequencePoints = points;
+ this.npoint = np;
+ prefSize = getPreferredSize();
- for (int i = 0; i < npoint; i++)
- {
- SequencePoint sp = points.elementAt(i);
+ findWidths();
- for (int j = 0; j < 3; j++)
- {
- orig[i][j] = sp.coord[j];
- }
- }
-
- // Initialize the matrices to identity
- for (int i = 0; i < 3; i++)
- {
- for (int j = 0; j < 3; j++)
- {
- if (i != j)
- {
- idmat.addElement(i, j, 0);
- objmat.addElement(i, j, 0);
- rotmat.addElement(i, j, 0);
- }
- else
- {
- idmat.addElement(i, j, 0);
- objmat.addElement(i, j, 0);
- rotmat.addElement(i, j, 0);
- }
- }
- }
-
- axes = new float[3][3];
- initAxes();
-
- findCentre();
- findWidth();
-
- scale = findScale();
- if (first)
- {
-
- addMouseListener(this);
-
- addMouseMotionListener(this);
- }
- first = false;
- }
-
- public void initAxes()
- {
- for (int i = 0; i < 3; i++)
- {
- for (int j = 0; j < 3; j++)
- {
- if (i != j)
- {
- axes[i][j] = 0;
- }
- else
- {
- axes[i][j] = 1;
- }
- }
- }
+ setScaleFactor(1f);
}
/**
- * DOCUMENT ME!
+ * Resets axes to the initial state: x-axis to the right, y-axis up, z-axis to
+ * back (so obscured in a 2-D display)
*/
- public void findWidth()
+ protected void resetAxes()
{
- max = new float[3];
- min = new float[3];
-
- max[0] = (float) -1e30;
- max[1] = (float) -1e30;
- max[2] = (float) -1e30;
-
- min[0] = (float) 1e30;
- min[1] = (float) 1e30;
- min[2] = (float) 1e30;
-
- for (int i = 0; i < 3; i++)
- {
- for (int j = 0; j < npoint; j++)
- {
- SequencePoint sp = points.elementAt(j);
-
- if (sp.coord[i] >= max[i])
- {
- max[i] = sp.coord[i];
- }
-
- if (sp.coord[i] <= min[i])
- {
- min[i] = sp.coord[i];
- }
- }
- }
-
- // System.out.println("xmax " + max[0] + " min " + min[0]);
- // System.out.println("ymax " + max[1] + " min " + min[1]);
- // System.out.println("zmax " + max[2] + " min " + min[2]);
- width[0] = Math.abs(max[0] - min[0]);
- width[1] = Math.abs(max[1] - min[1]);
- width[2] = Math.abs(max[2] - min[2]);
-
- maxwidth = width[0];
-
- if (width[1] > width[0])
- {
- maxwidth = width[1];
- }
-
- if (width[2] > width[1])
- {
- maxwidth = width[2];
- }
-
- // System.out.println("Maxwidth = " + maxwidth);
+ getAxisEndPoints()[0] = new Point(1f, 0f, 0f);
+ getAxisEndPoints()[1] = new Point(0f, 1f, 0f);
+ getAxisEndPoints()[2] = new Point(0f, 0f, 1f);
}
/**
- * DOCUMENT ME!
- *
- * @return DOCUMENT ME!
+ * Computes and saves the min-max ranges of x/y/z positions of the sequence
+ * points
*/
- public float findScale()
+ protected void findWidths()
{
- int dim;
- int w;
- int height;
+ float[] max = new float[DIMS];
+ float[] min = new float[DIMS];
- if (getWidth() != 0)
- {
- w = getWidth();
- height = getHeight();
- }
- else
- {
- w = prefsize.width;
- height = prefsize.height;
- }
+ max[0] = -Float.MAX_VALUE;
+ max[1] = -Float.MAX_VALUE;
+ max[2] = -Float.MAX_VALUE;
- if (w < height)
- {
- dim = w;
- }
- else
+ min[0] = Float.MAX_VALUE;
+ min[1] = Float.MAX_VALUE;
+ min[2] = Float.MAX_VALUE;
+
+ for (SequencePoint sp : sequencePoints)
{
- dim = height;
+ max[0] = Math.max(max[0], sp.coord.x);
+ max[1] = Math.max(max[1], sp.coord.y);
+ max[2] = Math.max(max[2], sp.coord.z);
+ min[0] = Math.min(min[0], sp.coord.x);
+ min[1] = Math.min(min[1], sp.coord.y);
+ min[2] = Math.min(min[2], sp.coord.z);
}
- return (dim * scalefactor) / (2 * maxwidth);
+ seqMin = min;
+ seqMax = max;
}
/**
- * DOCUMENT ME!
- */
- public void findCentre()
- {
- // Find centre coordinate
- findWidth();
-
- centre[0] = (max[0] + min[0]) / 2;
- centre[1] = (max[1] + min[1]) / 2;
- centre[2] = (max[2] + min[2]) / 2;
-
- // System.out.println("Centre x " + centre[0]);
- // System.out.println("Centre y " + centre[1]);
- // System.out.println("Centre z " + centre[2]);
- }
-
- /**
- * DOCUMENT ME!
+ * Answers the preferred size if it has been set, else 400 x 400
*
- * @return DOCUMENT ME!
+ * @return
*/
@Override
public Dimension getPreferredSize()
{
- if (prefsize != null)
+ if (prefSize != null)
{
- return prefsize;
+ return prefSize;
}
else
{
}
/**
- * DOCUMENT ME!
+ * Answers the preferred size
*
- * @return DOCUMENT ME!
+ * @return
+ * @see RotatableCanvas#getPreferredSize()
*/
@Override
public Dimension getMinimumSize()
}
/**
- * DOCUMENT ME!
+ * Repaints the panel
*
* @param g
- * DOCUMENT ME!
*/
@Override
public void paintComponent(Graphics g1)
g.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
- if (points == null)
+ if (sequencePoints == null)
{
g.setFont(new Font("Verdana", Font.PLAIN, 18));
g.drawString(
}
else
{
- // Only create the image at the beginning -
- if ((img == null) || (prefsize.width != getWidth())
- || (prefsize.height != getHeight()))
+ /*
+ * create the image at the beginning or after a resize
+ */
+ boolean resized = prefSize.width != getWidth()
+ || prefSize.height != getHeight();
+ if (img == null || resized)
{
- prefsize.width = getWidth();
- prefsize.height = getHeight();
+ prefSize.width = getWidth();
+ prefSize.height = getHeight();
- scale = findScale();
-
- // System.out.println("New scale = " + scale);
img = createImage(getWidth(), getHeight());
ig = img.getGraphics();
}
- drawBackground(ig, bgColour);
+ drawBackground(ig);
drawScene(ig);
if (drawAxes)
}
/**
- * DOCUMENT ME!
+ * Resets the rotation and choice of axes to the initial state (without change
+ * of scale factor)
+ */
+ public void resetView()
+ {
+ img = null;
+ findWidths();
+ resetAxes();
+ repaint();
+ }
+
+ /**
+ * Draws lines for the x, y, z axes
*
* @param g
- * DOCUMENT ME!
*/
public void drawAxes(Graphics g)
{
+ g.setColor(AXIS_COLOUR);
- g.setColor(Color.yellow);
+ int midX = getWidth() / 2;
+ int midY = getHeight() / 2;
+ // float maxWidth = Math.max(Math.abs(seqMax[0] - seqMin[0]),
+ // Math.abs(seqMax[1] - seqMin[1]));
+ int pix = Math.min(getWidth(), getHeight());
+ float scaleBy = pix * getScaleFactor() / (2f);
- for (int i = 0; i < 3; i++)
+ for (int i = 0; i < DIMS; i++)
{
- g.drawLine(getWidth() / 2, getHeight() / 2,
- (int) ((axes[i][0] * scale * max[0]) + (getWidth() / 2)),
- (int) ((axes[i][1] * scale * max[1]) + (getHeight() / 2)));
+ g.drawLine(midX, midY,
+ midX + (int) (getAxisEndPoints()[i].x * scaleBy * 0.25),
+ midY + (int) (getAxisEndPoints()[i].y * scaleBy * 0.25));
}
}
/**
- * DOCUMENT ME!
+ * Fills the background with the currently configured background colour
*
* @param g
- * DOCUMENT ME!
- * @param col
- * DOCUMENT ME!
*/
- public void drawBackground(Graphics g, Color col)
+ public void drawBackground(Graphics g)
{
- g.setColor(col);
- g.fillRect(0, 0, prefsize.width, prefsize.height);
+ g.setColor(getBgColour());
+ g.fillRect(0, 0, prefSize.width, prefSize.height);
}
/**
- * DOCUMENT ME!
+ * Draws points (6x6 squares) for the sequences of the PCA, and labels
+ * (sequence names) if configured to do so. The sequence points colours are
+ * taken from the sequence ids in the alignment (converting black to white).
+ * Sequences 'at the back' (z-coordinate is negative) are shaded slightly
+ * darker to help give a 3-D sensation.
*
* @param g
- * DOCUMENT ME!
*/
public void drawScene(Graphics g1)
{
-
Graphics2D g = (Graphics2D) g1;
g.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
+ int pix = Math.min(getWidth(), getHeight());
+ float xWidth = Math.abs(seqMax[0] - seqMin[0]);
+ float yWidth = Math.abs(seqMax[1] - seqMin[1]);
+ float maxWidth = Math.max(xWidth, yWidth);
+ float scaleBy = pix * getScaleFactor() / (2f * maxWidth);
- int halfwidth = getWidth() / 2;
- int halfheight = getHeight() / 2;
+ float[] centre = getCentre();
for (int i = 0; i < npoint; i++)
{
- SequencePoint sp = points.elementAt(i);
- int x = (int) ((sp.coord[0] - centre[0]) * scale) + halfwidth;
- int y = (int) ((sp.coord[1] - centre[1]) * scale)
- + halfheight;
- float z = sp.coord[1] - centre[2];
-
- SequenceI sequence = sp.getSequence();
- if (av.getSequenceColour(sequence) == Color.black)
- {
- g.setColor(Color.white);
- }
- else
- {
- g.setColor(av.getSequenceColour(sequence));
- }
-
- if (av.getSelectionGroup() != null)
- {
- if (av.getSelectionGroup().getSequences(null)
- .contains(sequence))
- {
- g.setColor(Color.gray);
- }
- }
+ /*
+ * sequence point colour as sequence id, but
+ * gray if sequence is currently selected
+ */
+ SequencePoint sp = sequencePoints.get(i);
+ Color sequenceColour = getSequencePointColour(sp);
+ g.setColor(sequenceColour);
+
+ int halfwidth = getWidth() / 2;
+ int halfheight = getHeight() / 2;
+ int x = (int) ((sp.coord.x - centre[0]) * scaleBy) + halfwidth;
+ int y = (int) ((sp.coord.y - centre[1]) * scaleBy) + halfheight;
+ g.fillRect(x - 3, y - 3, 6, 6);
- if (z < 0)
+ if (isShowLabels())
{
- g.setColor(g.getColor().darker());
+ g.setColor(Color.red);
+ g.drawString(sp.getSequence().getName(), x - 3, y - 4);
}
-
- g.fillRect(x - 3, y - 3, 6, 6);
- if (showLabels)
+ }
+ if (isShowLabels())
+ {
+ g.setColor(AXIS_COLOUR);
+ int midX = getWidth() / 2;
+ int midY = getHeight() / 2;
+ Iterator<String> axes = AXES.iterator();
+ for (Point p : getAxisEndPoints())
{
- g.setColor(Color.red);
- g.drawString(sequence.getName(), x - 3, y - 4);
+ int x = midX + (int) (p.x * scaleBy * seqMax[0]);
+ int y = midY + (int) (p.y * scaleBy * seqMax[1]);
+ g.drawString(axes.next(), x - 3, y - 4);
}
}
-
// //Now the rectangle
// if (rectx2 != -1 && recty2 != -1) {
// g.setColor(Color.white);
}
/**
- * DOCUMENT ME!
+ * Determines the colour to use when drawing a sequence point. The colour is
+ * taken from the sequence id, with black converted to white, and then
+ * graduated from darker (at the back) to brighter (at the front) based on the
+ * z-axis coordinate of the point.
*
- * @return DOCUMENT ME!
+ * @param sp
+ * @return
*/
- public Dimension minimumsize()
+ protected Color getSequencePointColour(SequencePoint sp)
{
- return prefsize;
- }
+ SequenceI sequence = sp.getSequence();
+ Color sequenceColour = av.getSequenceColour(sequence);
+ if (sequenceColour == Color.black)
+ {
+ sequenceColour = Color.white;
+ }
+ if (av.getSelectionGroup() != null)
+ {
+ if (av.getSelectionGroup().getSequences(null).contains(sequence))
+ {
+ sequenceColour = Color.gray;
+ }
+ }
- /**
- * DOCUMENT ME!
- *
- * @return DOCUMENT ME!
- */
- public Dimension preferredsize()
- {
- return prefsize;
+ /*
+ * graduate brighter for point in front of centre, darker if behind centre
+ */
+ float zCentre = (seqMin[2] + seqMax[2]) / 2f;
+ if (sp.coord.z > zCentre)
+ {
+ sequenceColour = ColorUtils.getGraduatedColour(sp.coord.z, 0,
+ sequenceColour, seqMax[2], sequenceColour.brighter());
+ }
+ else if (sp.coord.z < zCentre)
+ {
+ sequenceColour = ColorUtils.getGraduatedColour(sp.coord.z, seqMin[2],
+ sequenceColour.darker(), 0, sequenceColour);
+ }
+
+ return sequenceColour;
}
- /**
- * DOCUMENT ME!
- *
- * @param evt
- * DOCUMENT ME!
- */
@Override
public void keyTyped(KeyEvent evt)
{
}
- /**
- * DOCUMENT ME!
- *
- * @param evt
- * DOCUMENT ME!
- */
@Override
public void keyReleased(KeyEvent evt)
{
}
/**
- * DOCUMENT ME!
+ * Responds to up or down arrow key by zooming in or out, respectively
*
* @param evt
- * DOCUMENT ME!
*/
@Override
public void keyPressed(KeyEvent evt)
{
- if (evt.getKeyCode() == KeyEvent.VK_UP)
+ int keyCode = evt.getKeyCode();
+ boolean shiftDown = evt.isShiftDown();
+
+ if (keyCode == KeyEvent.VK_UP)
+ {
+ if (shiftDown)
+ {
+ rotate(0f, -1f);
+ }
+ else
+ {
+ zoom(ZOOM_IN);
+ }
+ }
+ else if (keyCode == KeyEvent.VK_DOWN)
+ {
+ if (shiftDown)
+ {
+ rotate(0f, 1f);
+ }
+ else
+ {
+ zoom(ZOOM_OUT);
+ }
+ }
+ else if (shiftDown && keyCode == KeyEvent.VK_LEFT)
{
- scalefactor = (float) (scalefactor * 1.1);
- scale = findScale();
+ rotate(1f, 0f);
}
- else if (evt.getKeyCode() == KeyEvent.VK_DOWN)
+ else if (shiftDown && keyCode == KeyEvent.VK_RIGHT)
{
- scalefactor = (float) (scalefactor * 0.9);
- scale = findScale();
+ rotate(-1f, 0f);
}
else if (evt.getKeyChar() == 's')
{
- Cache.log.warn("DEBUG: Rectangle selection");
+ // Cache.warn("DEBUG: Rectangle selection");
// todo not yet enabled as rectx2, recty2 are always -1
- // need to set them in mouseDragged
- if ((rectx2 != -1) && (recty2 != -1))
- {
- rectSelect(rectx1, recty1, rectx2, recty2);
- }
+ // need to set them in mouseDragged; JAL-1124
+ // if ((rectx2 != -1) && (recty2 != -1))
+ // {
+ // rectSelect(rectx1, recty1, rectx2, recty2);
+ // }
}
repaint();
}
@Override
+ public void zoom(float factor)
+ {
+ if (factor > 0f)
+ {
+ setScaleFactor(getScaleFactor() * factor);
+ }
+ }
+
+ @Override
public void mouseClicked(MouseEvent evt)
{
}
int x = evt.getX();
int y = evt.getY();
- mx = x;
- my = y;
-
- omx = mx;
- omy = my;
-
- startx = x;
- starty = y;
+ mouseX = x;
+ mouseY = y;
- rectx1 = x;
- recty1 = y;
-
- rectx2 = -1;
- recty2 = -1;
+ // rectx1 = x;
+ // recty1 = y;
+ // rectx2 = -1;
+ // recty2 = -1;
SequenceI found = findSequenceAtPoint(x, y);
}
/**
- * DOCUMENT ME!
+ * Action handler for a mouse drag. Rotates the display around the X axis (for
+ * up/down mouse movement) and/or the Y axis (for left/right mouse movement).
*
* @param evt
- * DOCUMENT ME!
*/
@Override
public void mouseDragged(MouseEvent evt)
{
- mx = evt.getX();
- my = evt.getY();
+ int xPos = evt.getX();
+ int yPos = evt.getY();
+
+ if (xPos == mouseX && yPos == mouseY)
+ {
+ return;
+ }
+
+ int xDelta = xPos - mouseX;
+ int yDelta = yPos - mouseY;
// Check if this is a rectangle drawing drag
- if ((evt.getModifiers() & InputEvent.BUTTON2_MASK) != 0)
+ if ((evt.getModifiersEx() & InputEvent.BUTTON2_DOWN_MASK) != 0)
{
// rectx2 = evt.getX();
// recty2 = evt.getY();
}
else
{
- rotmat.setIdentity();
+ rotate(xDelta, yDelta);
- rotmat.rotate(my - omy, 'x');
- rotmat.rotate(mx - omx, 'y');
+ mouseX = xPos;
+ mouseY = yPos;
- for (int i = 0; i < npoint; i++)
- {
- SequencePoint sp = points.elementAt(i);
- sp.coord[0] -= centre[0];
- sp.coord[1] -= centre[1];
- sp.coord[2] -= centre[2];
-
- // Now apply the rotation matrix
- sp.coord = rotmat.vectorMultiply(sp.coord);
-
- // Now translate back again
- sp.coord[0] += centre[0];
- sp.coord[1] += centre[1];
- sp.coord[2] += centre[2];
- }
+ // findWidths();
- for (int i = 0; i < 3; i++)
- {
- axes[i] = rotmat.vectorMultiply(axes[i]);
- }
+ repaint();
+ }
+ }
- omx = mx;
- omy = my;
+ @Override
+ public void rotate(float x, float y)
+ {
+ if (x == 0f && y == 0f)
+ {
+ return;
+ }
- paint(this.getGraphics());
+ /*
+ * get the identity transformation...
+ */
+ RotatableMatrix rotmat = new RotatableMatrix();
+
+ /*
+ * rotate around the X axis for change in Y
+ * (mouse movement up/down); note we are equating a
+ * number of pixels with degrees of rotation here!
+ */
+ if (y != 0)
+ {
+ rotmat.rotate(y, Axis.X);
}
+
+ /*
+ * rotate around the Y axis for change in X
+ * (mouse movement left/right)
+ */
+ if (x != 0)
+ {
+ rotmat.rotate(x, Axis.Y);
+ }
+
+ /*
+ * apply the composite transformation to sequence points;
+ * update z min-max range (affects colour graduation), but not
+ * x or y min-max (as this would affect axis scaling)
+ */
+ float[] centre = getCentre();
+ float zMin = Float.MAX_VALUE;
+ float zMax = -Float.MAX_VALUE;
+
+ for (int i = 0; i < npoint; i++)
+ {
+ SequencePoint sp = sequencePoints.get(i);
+ sp.translate(-centre[0], -centre[1], -centre[2]);
+
+ // Now apply the rotation matrix
+ sp.coord = rotmat.vectorMultiply(sp.coord);
+
+ // Now translate back again
+ sp.translate(centre[0], centre[1], centre[2]);
+
+ zMin = Math.min(zMin, sp.coord.z);
+ zMax = Math.max(zMax, sp.coord.z);
+ }
+
+ seqMin[2] = zMin;
+ seqMax[2] = zMax;
+
+ /*
+ * rotate the x/y/z axis positions
+ */
+ for (int i = 0; i < DIMS; i++)
+ {
+ getAxisEndPoints()[i] = rotmat.vectorMultiply(getAxisEndPoints()[i]);
+ }
+ }
+
+ /**
+ * Answers the x/y/z coordinates that are midway between the maximum and
+ * minimum sequence point values
+ *
+ * @return
+ */
+ private float[] getCentre()
+ {
+ float xCentre = (seqMin[0] + seqMax[0]) / 2f;
+ float yCentre = (seqMin[1] + seqMax[1]) / 2f;
+ float zCentre = (seqMin[2] + seqMax[2]) / 2f;
+
+ return new float[] { xCentre, yCentre, zCentre };
}
/**
* @param x2
* @param y2
*/
- public void rectSelect(int x1, int y1, int x2, int y2)
+ protected void rectSelect(int x1, int y1, int x2, int y2)
{
+ float[] centre = getCentre();
+
for (int i = 0; i < npoint; i++)
{
- SequencePoint sp = points.elementAt(i);
- int tmp1 = (int) (((sp.coord[0] - centre[0]) * scale)
+ SequencePoint sp = sequencePoints.get(i);
+ int tmp1 = (int) (((sp.coord.x - centre[0]) * getScaleFactor())
+ (getWidth() / 2.0));
- int tmp2 = (int) (((sp.coord[1] - centre[1]) * scale)
+ int tmp2 = (int) (((sp.coord.y - centre[1]) * getScaleFactor())
+ (getHeight() / 2.0));
if ((tmp1 > x1) && (tmp1 < x2) && (tmp2 > y1) && (tmp2 < y2))
if (av != null)
{
SequenceI sequence = sp.getSequence();
- if (!av.getSelectionGroup().getSequences(null)
- .contains(sequence))
+ if (!av.getSelectionGroup().getSequences(null).contains(sequence))
{
av.getSelectionGroup().addSequence(sequence, true);
}
*
* @return
*/
- public SequenceI findSequenceAtPoint(int x, int y)
+ protected SequenceI findSequenceAtPoint(int x, int y)
{
int halfwidth = getWidth() / 2;
int halfheight = getHeight() / 2;
int found = -1;
+ int pix = Math.min(getWidth(), getHeight());
+ float xWidth = Math.abs(seqMax[0] - seqMin[0]);
+ float yWidth = Math.abs(seqMax[1] - seqMin[1]);
+ float maxWidth = Math.max(xWidth, yWidth);
+ float scaleBy = pix * getScaleFactor() / (2f * maxWidth);
+
+ float[] centre = getCentre();
for (int i = 0; i < npoint; i++)
{
- SequencePoint sp = points.elementAt(i);
- int px = (int) ((sp.coord[0] - centre[0]) * scale)
- + halfwidth;
- int py = (int) ((sp.coord[1] - centre[1]) * scale)
- + halfheight;
+ SequencePoint sp = sequencePoints.get(i);
+ int px = (int) ((sp.coord.x - centre[0]) * scaleBy) + halfwidth;
+ int py = (int) ((sp.coord.y - centre[1]) * scaleBy) + halfheight;
- if ((Math.abs(px - x) < 3) && (Math.abs(py - y) < 3))
+ if ((Math.abs(px - x) < NEARBY) && (Math.abs(py - y) < NEARBY))
{
found = i;
+ break;
}
}
if (found != -1)
{
- return points.elementAt(found).getSequence();
+ return sequencePoints.get(found).getSequence();
}
else
{
}
}
+ /**
+ * Answers the panel the PCA is associated with (all panels for this alignment
+ * if 'associate with all panels' is selected).
+ *
+ * @return
+ */
AlignmentPanel[] getAssociatedPanels()
{
- if (applyToAllViews)
+ if (isApplyToAllViews())
{
return PaintRefresher.getAssociatedPanels(av.getSequenceSetId());
}
}
}
+ public Color getBackgroundColour()
+ {
+ return getBgColour();
+ }
+
/**
+ * Zooms in or out in response to mouse wheel movement
+ */
+ @Override
+ public void mouseWheelMoved(MouseWheelEvent e)
+ {
+ double wheelRotation = e.getPreciseWheelRotation();
+ if (wheelRotation > 0)
+ {
+ zoom(ZOOM_IN);
+ repaint();
+ }
+ else if (wheelRotation < 0)
+ {
+ zoom(ZOOM_OUT);
+ repaint();
+ }
+ }
+
+ /**
+ * Answers the sequence point minimum [x, y, z] values. Note these are derived
+ * when sequence points are set, but x and y values are not updated on
+ * rotation (because this would result in changes to scaling).
*
- * @return x,y,z positions of point s (index into points) under current
- * transform.
+ * @return
*/
- public double[] getPointPosition(int s)
+ public float[] getSeqMin()
{
- double[] pts = new double[3];
- float[] p = points.elementAt(s).coord;
- pts[0] = p[0];
- pts[1] = p[1];
- pts[2] = p[2];
- return pts;
+ return seqMin;
}
+ /**
+ * Answers the sequence point maximum [x, y, z] values. Note these are derived
+ * when sequence points are set, but x and y values are not updated on
+ * rotation (because this would result in changes to scaling).
+ *
+ * @return
+ */
+ public float[] getSeqMax()
+ {
+ return seqMax;
+ }
+
+ /**
+ * Sets the minimum and maximum [x, y, z] positions for sequence points. For
+ * use when restoring a saved PCA from state data.
+ *
+ * @param min
+ * @param max
+ */
+ public void setSeqMinMax(float[] min, float[] max)
+ {
+ seqMin = min;
+ seqMax = max;
+ }
+
+ public float getScaleFactor()
+ {
+ return scaleFactor;
+ }
+
+ public void setScaleFactor(float scaleFactor)
+ {
+ this.scaleFactor = scaleFactor;
+ }
+
+ public boolean isShowLabels()
+ {
+ return showLabels;
+ }
+
+ public void setShowLabels(boolean showLabels)
+ {
+ this.showLabels = showLabels;
+ }
+
+ public boolean isApplyToAllViews()
+ {
+ return applyToAllViews;
+ }
+
+ public void setApplyToAllViews(boolean applyToAllViews)
+ {
+ this.applyToAllViews = applyToAllViews;
+ }
+
+ public Point[] getAxisEndPoints()
+ {
+ return axisEndPoints;
+ }
+
+ public void setAxisEndPoints(Point[] axisEndPoints)
+ {
+ this.axisEndPoints = axisEndPoints;
+ }
+
+ public Color getBgColour()
+ {
+ return bgColour;
+ }
+
+ public void setBgColour(Color bgColour)
+ {
+ this.bgColour = bgColour;
+ }
}
git://source.jalview.org / jalview.git / blobdiff