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package ij.plugin;
import java.awt.*;
import java.awt.event.*;
import java.awt.datatransfer.*;
import java.awt.image.*;
import java.io.*;
import ij.*;
import ij.process.*;
import ij.gui.*;
import ij.plugin.frame.Editor;
import ij.text.TextWindow;
import ij.util.Tools;
/** Copies/pastes images to/from the system clipboard. */
public class Clipboard implements PlugIn, Transferable {
static java.awt.datatransfer.Clipboard clipboard;
public void run(String arg) {
if (IJ.altKeyDown()) {
if (arg.equals("copy"))
arg = "scopy";
else if (arg.equals("paste"))
arg = "spaste";
}
if (arg.equals("copy"))
copy(false);
else if (arg.equals("paste"))
paste();
else if (arg.equals("cut"))
copy(true);
else if (arg.equals("scopy"))
copyToSystem();
else if (arg.equals("showsys"))
showSystemClipboard();
else if (arg.equals("show"))
showInternalClipboard();
}
void copy(boolean cut) {
ImagePlus imp = WindowManager.getCurrentImage();
if (imp!=null) {
imp.copy(cut);
if (cut)
imp.changes = true;
} else
IJ.noImage();
}
private ImagePlus flatten(ImagePlus imp) {
if (imp.getOverlay()!=null && !imp.getHideOverlay() && !imp.isHyperStack()) {
ImagePlus imp2 = imp;
Roi roi = imp.getRoi();
if (imp.getStackSize()>1) {
imp.deleteRoi();
int slice = imp.getCurrentSlice();
imp = new Duplicator().run(imp, slice, slice);
}
imp = imp.flatten();
imp.setRoi(roi);
imp2.setRoi(roi);
}
return imp;
}
void paste() {
if (ImagePlus.getClipboard()==null)
showSystemClipboard();
else {
ImagePlus imp = WindowManager.getCurrentImage();
if (imp!=null)
imp.paste();
else
showInternalClipboard ();
}
}
void setup() {
if (clipboard==null)
clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
}
void copyToSystem() {
setup();
try {
clipboard.setContents(this, null);
} catch (Throwable t) {}
}
void showSystemClipboard() {
setup();
IJ.showStatus("Opening system clipboard...");
try {
Transferable transferable = clipboard.getContents(null);
boolean imageSupported = transferable.isDataFlavorSupported(DataFlavor.imageFlavor);
boolean textSupported = transferable.isDataFlavorSupported(DataFlavor.stringFlavor);
if (imageSupported) {
Image img = (Image)transferable.getTransferData(DataFlavor.imageFlavor);
if (img==null) {
IJ.error("Unable to convert image on system clipboard");
IJ.showStatus("");
return;
}
int width = img.getWidth(null);
int height = img.getHeight(null);
BufferedImage bi = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
Graphics g = bi.createGraphics();
g.drawImage(img, 0, 0, null);
g.dispose();
WindowManager.checkForDuplicateName = true;
new ImagePlus("Clipboard", bi).show();
} else if (textSupported) {
String text = (String)transferable.getTransferData(DataFlavor.stringFlavor);
if (IJ.isMacintosh())
text = Tools.fixNewLines(text);
Editor ed = new Editor();
ed.setSize(600, 300);
ed.create("Clipboard", text);
IJ.showStatus("");
} else
IJ.error("Unable to find an image on the system clipboard");
} catch (Throwable e) {
IJ.handleException(e);
}
}
public DataFlavor[] getTransferDataFlavors() {
return new DataFlavor[] { DataFlavor.imageFlavor };
}
public boolean isDataFlavorSupported(DataFlavor flavor) {
return DataFlavor.imageFlavor.equals(flavor);
}
public Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException {
if (!isDataFlavorSupported(flavor))
throw new UnsupportedFlavorException(flavor);
ImagePlus imp = WindowManager.getCurrentImage();
if (imp!=null) {
imp = flatten(imp);
ImageProcessor ip;
if (imp.isComposite()) {
ip = new ColorProcessor(imp.getImage());
ip.setRoi(imp.getRoi());
} else
ip = imp.getProcessor();
ip = ip.crop();
int w = ip.getWidth();
int h = ip.getHeight();
IJ.showStatus(w+"x"+h+ " image copied to system clipboard");
Image img = IJ.getInstance().createImage(w, h);
Graphics g = img.getGraphics();
g.drawImage(ip.createImage(), 0, 0, null);
g.dispose();
return img;
} else {
//IJ.noImage();
return null;
}
}
void showInternalClipboard() {
ImagePlus clipboard = ImagePlus.getClipboard();
if (clipboard!=null) {
ImageProcessor ip = clipboard.getProcessor();
ImagePlus imp2 = new ImagePlus("Clipboard", ip.duplicate());
Roi roi = clipboard.getRoi();
imp2.deleteRoi();
if (roi!=null && roi.isArea() && roi.getType()!=Roi.RECTANGLE) {
roi = (Roi)roi.clone();
roi.setLocation(0, 0);
imp2.setRoi(roi);
IJ.run(imp2, "Clear Outside", null);
imp2.deleteRoi();
}
WindowManager.checkForDuplicateName = true;
imp2.show();
} else
IJ.error("The internal clipboard is empty.");
}
}
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