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package ij.plugin;
import ij.*;
import ij.process.*;
import ij.gui.*;
import java.awt.*;
/** This plugin implements the Plugins/Utilities/Capture Screen
and Plugins/Utilities/Capture Image commands. Note that these
commands may not work on Linux if windows translucency or
special effects are enabled in the windows manager. */
public class ScreenGrabber implements PlugIn {
private static int delay = 10;
public void run(String arg) {
ImagePlus imp2 = null;
if (arg.equals("image") || arg.equals("flatten"))
imp2 = captureImage();
else if (arg.equals("delay"))
imp2 = captureDelayed();
else
imp2 = captureScreen();
if (imp2!=null)
imp2.show();
}
private ImagePlus captureDelayed() {
GenericDialog gd = new GenericDialog("Delayed Capture");
gd.addNumericField("Delay (seconds):", delay, 0);
gd.showDialog();
if (gd.wasCanceled())
return null;
int delay = (int)gd.getNextNumber();
if (delay<0) return null;
if (delay>60) delay=60;
for (int i=0; i<delay; i++) {
IJ.wait(1000);
IJ.showStatus("Delayed capture: "+(i+1)+"/"+delay);
if (delay>4 && i==delay-2) IJ.beep();
}
return captureScreen();
}
/** Captures the entire screen and returns it as an ImagePlus. */
public ImagePlus captureScreen() {
ImagePlus imp = null;
try {
Robot robot = new Robot();
Dimension dimension = IJ.getScreenSize();
Rectangle r = new Rectangle(dimension);
Image img = robot.createScreenCapture(r);
if (img!=null) imp = new ImagePlus("Screenshot", img);
} catch(Exception e) {}
return imp;
}
/** Captures the active image window and returns it as an ImagePlus. */
public ImagePlus captureImage() {
ImagePlus imp = IJ.getImage();
if (imp==null) {
IJ.noImage();
return null;
}
ImageWindow win = imp.getWindow();
if (win==null) return null;
win.toFront();
IJ.wait(500);
Point loc = win.getLocation();
ImageCanvas ic = win.getCanvas();
Rectangle bounds = ic.getBounds();
loc.x += bounds.x;
loc.y += bounds.y;
Rectangle r = new Rectangle(loc.x, loc.y, bounds.width, bounds.height);
ImagePlus imp2 = null;
Image img = null;
boolean wasHidden = ic.hideZoomIndicator(true);
IJ.wait(250);
try {
Robot robot = new Robot();
img = robot.createScreenCapture(r);
} catch(Exception e) { }
ic.hideZoomIndicator(wasHidden);
if (img!=null) {
String title = WindowManager.getUniqueName(imp.getTitle());
imp2 = new ImagePlus(title, img);
}
return imp2;
}
}
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