package ij.gui;
import java.awt.*;
import java.awt.image.*;
import java.awt.event.*;
import java.io.*;
import java.awt.datatransfer.*;
import java.util.*;
import ij.*;
import ij.process.*;
import ij.util.*;
import ij.text.TextWindow;
import ij.plugin.filter.Analyzer;
/** This class is an extended ImageWindow that displays line graphs. */
public class PlotWindow extends ImageWindow implements ActionListener, ClipboardOwner {
/** Display points using a circle 5 pixels in diameter. */
public static final int CIRCLE = 0;
/** Display points using an X-shaped mark. */
public static final int X = 1;
/** Display points using an box-shaped mark. */
public static final int BOX = 3;
/** Display points using an tiangular mark. */
public static final int TRIANGLE = 4;
/** Display points using an cross-shaped mark. */
public static final int CROSS = 5;
/** Connect points with solid lines. */
public static final int LINE = 2;
private static final int WIDTH = 450;
private static final int HEIGHT = 200;
private static final String MIN = "pp.min";
private static final String MAX = "pp.max";
private static final String PLOT_WIDTH = "pp.width";
private static final String PLOT_HEIGHT = "pp.height";
private static final String OPTIONS = "pp.options";
private static final int SAVE_X_VALUES = 1;
private static final int AUTO_CLOSE = 2;
private static final int LIST_VALUES = 4;
private static final int INTERPOLATE = 8;
private static final int NO_GRID_LINES = 16;
private Button list, save, copy;
private Label coordinates;
private static String defaultDirectory = null;
private Font font = new Font("Helvetica", Font.PLAIN, 12);
private static int options;
private int defaultDigits = -1;
private boolean realXValues;
private int xdigits, ydigits;
private int markSize = 5;
private static Plot staticPlot;
private Plot plot;
/** Save x-values only. To set, use Edit/Options/
Profile Plot Options. */
public static boolean saveXValues;
/** Automatically close window after saving values. To
set, use Edit/Options/Profile Plot Options. */
public static boolean autoClose;
/** The width of the plot in pixels. */
public static int plotWidth = WIDTH;
/** The height of the plot in pixels. */
public static int plotHeight = HEIGHT;
/** Display the XY coordinates in a separate window. To
set, use Edit/Options/Profile Plot Options. */
public static boolean listValues;
/** Interpolate line profiles. To
set, use Edit/Options/Profile Plot Options. */
public static boolean interpolate;
/** Add grid lines to plots */
public static boolean noGridLines;
// static initializer
static {
IJ.register(PlotWindow.class); //keeps options from being reset on some JVMs
options = Prefs.getInt(OPTIONS, SAVE_X_VALUES);
saveXValues = (options&SAVE_X_VALUES)!=0;
autoClose = (options&AUTO_CLOSE)!=0;
listValues = (options&LIST_VALUES)!=0;
plotWidth = Prefs.getInt(PLOT_WIDTH, WIDTH);
plotHeight = Prefs.getInt(PLOT_HEIGHT, HEIGHT);
interpolate = (options&INTERPOLATE)==0; // 0=true, 1=false
noGridLines = (options&NO_GRID_LINES)!=0;
}
/** Construct a new PlotWindow.
* @param title the window title
* @param xLabel the x-axis label
* @param yLabel the y-axis label
* @param xValues the x-coodinates
* @param yValues the y-coodinates
*/
public PlotWindow(String title, String xLabel, String yLabel, float[] xValues, float[] yValues) {
super(createImage(title, xLabel, yLabel, xValues, yValues));
plot = staticPlot;
}
/** This version of the constructor excepts double arrays. */
public PlotWindow(String title, String xLabel, String yLabel, double[] xValues, double[] yValues) {
this(title, xLabel, yLabel, Tools.toFloat(xValues), Tools.toFloat(yValues));
}
/** Creates a PlotWindow from a Plot object. */
PlotWindow(Plot plot) {
super(plot.getImagePlus());
this.plot = plot;
draw();
}
/** Called by the constructor to generate the image the plot will be drawn on.
This is a static method because constructors cannot call instance methods. */
static ImagePlus createImage(String title, String xLabel, String yLabel, float[] xValues, float[] yValues) {
staticPlot = new Plot(title, xLabel, yLabel, xValues, yValues);
return new ImagePlus(title, staticPlot.getBlankProcessor());
}
/** Sets the x-axis and y-axis range. */
public void setLimits(double xMin, double xMax, double yMin, double yMax) {
plot.setLimits(xMin, xMax, yMin, yMax);
}
/** Adds a set of points to the plot or adds a curve if shape is set to LINE.
* @param x the x-coodinates
* @param y the y-coodinates
* @param shape CIRCLE, X, BOX, TRIANGLE, CROSS or LINE
*/
public void addPoints(float[] x, float[] y, int shape) {
plot.addPoints(x, y, shape);
}
/** Adds a set of points to the plot using double arrays.
Must be called before the plot is displayed. */
public void addPoints(double[] x, double[] y, int shape) {
addPoints(Tools.toFloat(x), Tools.toFloat(y), shape);
}
/** Adds error bars to the plot. */
public void addErrorBars(float[] errorBars) {
plot.addErrorBars(errorBars);
}
/** Draws a label. */
public void addLabel(double x, double y, String label) {
plot.addLabel(x, y, label);
}
/** Changes the drawing color. The frame and labels are
always drawn in black. */
public void setColor(Color c) {
plot.setColor(c);
}
/** Changes the line width. */
public void setLineWidth(int lineWidth) {
plot.setLineWidth(lineWidth);
}
/** Changes the font. */
public void changeFont(Font font) {
plot.changeFont(font);
}
/** Displays the plot. */
public void draw() {
Panel buttons = new Panel();
buttons.setLayout(new FlowLayout(FlowLayout.RIGHT));
list = new Button(" List ");
list.addActionListener(this);
buttons.add(list);
save = new Button("Save...");
save.addActionListener(this);
buttons.add(save);
copy = new Button("Copy...");
copy.addActionListener(this);
buttons.add(copy);
coordinates = new Label("X=12345678, Y=12345678");
coordinates.setFont(new Font("Monospaced", Font.PLAIN, 12));
buttons.add(coordinates);
add(buttons);
plot.draw();
pack();
coordinates.setText("");
ImageProcessor ip = plot.getProcessor();
if ((ip instanceof ColorProcessor) && (imp.getProcessor() instanceof ByteProcessor))
imp.setProcessor(null, ip);
else
imp.updateAndDraw();
if (listValues)
showList();
}
int getDigits(double n1, double n2) {
if (Math.round(n1)==n1 && Math.round(n2)==n2)
return 0;
else {
n1 = Math.abs(n1);
n2 = Math.abs(n2);
double n = n1<n2&&n1>0.0?n1:n2;
double diff = Math.abs(n2-n1);
if (diff>0.0 && diff<n) n = diff;
int digits = 1;
if (n<10.0) digits = 2;
if (n<0.01) digits = 3;
if (n<0.001) digits = 4;
if (n<0.0001) digits = 5;
return digits;
}
}
/** Updates the graph X and Y values when the mouse is moved.
Overrides mouseMoved() in ImageWindow.
@see ij.gui.ImageWindow#mouseMoved
*/
public void mouseMoved(int x, int y) {
super.mouseMoved(x, y);
if (plot!=null && plot.frame!=null && coordinates!=null)
coordinates.setText(plot.getCoordinates(x,y));
}
void showList() {
StringBuffer sb = new StringBuffer();
String headings;
initDigits();
if (plot.errorBars !=null) {
if (saveXValues)
headings = "X\tY\tErrorBar";
else
headings = "Y\tErrorBar";
for (int i=0; i<plot.nPoints; i++) {
if (saveXValues)
sb.append(IJ.d2s(plot.xValues[i],xdigits)+"\t"+IJ.d2s(plot.yValues[i],ydigits)+"\t"+IJ.d2s(plot.errorBars[i],ydigits)+"\n");
else
sb.append(IJ.d2s(plot.yValues[i],ydigits)+"\t"+IJ.d2s(plot.errorBars[i],ydigits)+"\n");
}
} else {
if (saveXValues)
headings = "X\tY";
else
headings = "Y";
for (int i=0; i<plot.nPoints; i++) {
if (saveXValues)
sb.append(IJ.d2s(plot.xValues[i],xdigits)+"\t"+IJ.d2s(plot.yValues[i],ydigits)+"\n");
else
sb.append(IJ.d2s(plot.yValues[i],ydigits)+"\n");
}
}
TextWindow tw = new TextWindow("Plot Values", headings, sb.toString(), 200, 400);
if (autoClose)
{imp.changes=false; close();}
}
void saveAsText() {
FileDialog fd = new FileDialog(this, "Save as Text...", FileDialog.SAVE);
if (defaultDirectory!=null)
fd.setDirectory(defaultDirectory);
fd.show();
String name = fd.getFile();
String directory = fd.getDirectory();
defaultDirectory = directory;
fd.dispose();
PrintWriter pw = null;
try {
FileOutputStream fos = new FileOutputStream(directory+name);
BufferedOutputStream bos = new BufferedOutputStream(fos);
pw = new PrintWriter(bos);
}
catch (IOException e) {
IJ.error("" + e);
return;
}
IJ.wait(250); // give system time to redraw ImageJ window
IJ.showStatus("Saving plot values...");
initDigits();
for (int i=0; i<plot.nPoints; i++) {
if (saveXValues)
pw.println(IJ.d2s(plot.xValues[i],xdigits)+"\t"+IJ.d2s(plot.yValues[i],ydigits));
else
pw.println(IJ.d2s(plot.yValues[i],ydigits));
}
pw.close();
if (autoClose)
{imp.changes=false; close();}
}
void copyToClipboard() {
Clipboard systemClipboard = null;
try {systemClipboard = getToolkit().getSystemClipboard();}
catch (Exception e) {systemClipboard = null; }
if (systemClipboard==null)
{IJ.error("Unable to copy to Clipboard."); return;}
IJ.showStatus("Copying plot values...");
initDigits();
CharArrayWriter aw = new CharArrayWriter(plot.nPoints*4);
PrintWriter pw = new PrintWriter(aw);
for (int i=0; i<plot.nPoints; i++) {
if (saveXValues)
pw.print(IJ.d2s(plot.xValues[i],xdigits)+"\t"+IJ.d2s(plot.yValues[i],ydigits)+"\n");
else
pw.print(IJ.d2s(plot.yValues[i],ydigits)+"\n");
}
String text = aw.toString();
pw.close();
StringSelection contents = new StringSelection(text);
systemClipboard.setContents(contents, this);
IJ.showStatus(text.length() + " characters copied to Clipboard");
if (autoClose)
{imp.changes=false; close();}
}
void initDigits() {
int setDigits = Analyzer.getPrecision();
if (ydigits!=9 || setDigits>=6) {
ydigits = setDigits;
if (ydigits==0) ydigits = 2;
}
if (ydigits!=defaultDigits) {
realXValues = false;
for (int i=0; i<plot.xValues.length; i++)
if ((int)plot.xValues[i]!=plot.xValues[i]) realXValues = true;
boolean realYValues = false;
for (int i=0; i<plot.yValues.length; i++)
if ((int)plot.yValues[i]!=plot.yValues[i]) realYValues = true;
if (setDigits<6&&realYValues) ydigits = 9;
if (!realYValues) ydigits = 0;
defaultDigits = ydigits;
}
xdigits = realXValues?ydigits:0;
}
public void lostOwnership(Clipboard clipboard, Transferable contents) {}
public void actionPerformed(ActionEvent e) {
Object b = e.getSource();
if (b==list)
showList();
else if (b==save)
saveAsText();
else
copyToClipboard();
}
public float[] getXValues() {
return plot.xValues;
}
public float[] getYValues() {
return plot.yValues;
}
/** Draws a new plot in this window. */
public void drawPlot(Plot plot) {
this.plot = plot;
imp.setProcessor(null, plot.getProcessor());
}
/** Called once when ImageJ quits. */
public static void savePreferences(Properties prefs) {
double min = ProfilePlot.getFixedMin();
double max = ProfilePlot.getFixedMax();
if (!(min==0.0&&max==0.0) && min<max) {
prefs.put(MIN, Double.toString(min));
prefs.put(MAX, Double.toString(max));
}
if (plotWidth!=WIDTH || plotHeight!=HEIGHT) {
prefs.put(PLOT_WIDTH, Integer.toString(plotWidth));
prefs.put(PLOT_HEIGHT, Integer.toString(plotHeight));
}
int options = 0;
if (saveXValues) options |= SAVE_X_VALUES;
if (autoClose && !listValues) options |= AUTO_CLOSE;
if (listValues) options |= LIST_VALUES;
if (!interpolate) options |= INTERPOLATE; // true=0, false=1
if (noGridLines) options |= NO_GRID_LINES;
prefs.put(OPTIONS, Integer.toString(options));
}
}