/*
 * #%L
 * ImageJ software for multidimensional image processing and analysis.
 * %%
 * Copyright (C) 2009 - 2012 Board of Regents of the University of
 * Wisconsin-Madison, Broad Institute of MIT and Harvard, and Max Planck
 * Institute of Molecular Cell Biology and Genetics.
 * %%
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 * 
 * The views and conclusions contained in the software and documentation are
 * those of the authors and should not be interpreted as representing official
 * policies, either expressed or implied, of any organization.
 * #L%
 */

package imagej.core.commands.zoom;

import imagej.command.ContextCommand;
import imagej.data.display.ImageDisplay;
import imagej.data.display.MouseService;
import imagej.menu.MenuConstants;
import imagej.module.ItemIO;
import imagej.plugin.Menu;
import imagej.plugin.Parameter;
import imagej.plugin.Plugin;
import imagej.util.IntCoords;

/**
 * Zooms in on the currently displayed image. Zoom multiplier is taken from the
 * current ImageDisplay's zoom factor value.
 * 
 * @author Barry DeZonia
 */
@Plugin(label = "Zoom In", menu = {
	@Menu(label = MenuConstants.IMAGE_LABEL, weight = MenuConstants.IMAGE_WEIGHT,
		mnemonic = MenuConstants.IMAGE_MNEMONIC),
	@Menu(label = "Zoom", mnemonic = 'z'),
	@Menu(label = "In", weight = 1, accelerator = "PLUS") }, headless = true)
public class ZoomIn extends ContextCommand {

	@Parameter
	private MouseService mouseService;

	@Parameter(type = ItemIO.BOTH)
	private ImageDisplay display;

	@Override
	public void run() {
		if (mouseService.getDisplay() == display) {
			// zoom in centered around the mouse cursor
			final int x = mouseService.getX();
			final int y = mouseService.getY();
			display.getCanvas().zoomIn(new IntCoords(x, y));
		}
		else {
			// no mouse coordinates available; use default behavior
			display.getCanvas().zoomOut();
		}
	}

	public void setDisplay(ImageDisplay disp) {
		display = disp;
	}
	
	public ImageDisplay getDisplay() {
		return display;
	}

}

/*
 * #%L
 * ImageJ software for multidimensional image processing and analysis.
 * %%
 * Copyright (C) 2009 - 2012 Board of Regents of the University of
 * Wisconsin-Madison, Broad Institute of MIT and Harvard, and Max Planck
 * Institute of Molecular Cell Biology and Genetics.
 * %%
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 * 
 * The views and conclusions contained in the software and documentation are
 * those of the authors and should not be interpreted as representing official
 * policies, either expressed or implied, of any organization.
 * #L%
 */

package imagej.core.commands.zoom;

import imagej.command.ContextCommand;
import imagej.data.display.ImageDisplay;
import imagej.data.display.MouseService;
import imagej.menu.MenuConstants;
import imagej.module.ItemIO;
import imagej.plugin.Menu;
import imagej.plugin.Parameter;
import imagej.plugin.Plugin;
import imagej.util.IntCoords;

/**
 * Zooms in on the currently displayed image. Zoom multiplier is taken from the
 * current ImageDisplay's zoom factor value.
 * 
 * @author Barry DeZonia
 */
@Plugin(label = "Zoom In", menu = {
	@Menu(label = MenuConstants.IMAGE_LABEL, weight = MenuConstants.IMAGE_WEIGHT,
		mnemonic = MenuConstants.IMAGE_MNEMONIC),
	@Menu(label = "Zoom", mnemonic = 'z'),
	@Menu(label = "In", weight = 1, accelerator = "PLUS") }, headless = true)
public class ZoomIn extends ContextCommand {

	@Parameter
	private MouseService mouseService;

	@Parameter(type = ItemIO.BOTH)
	private ImageDisplay display;

	@Override
	public void run() {
		if (mouseService.getDisplay() == display) {
			// zoom in centered around the mouse cursor
			final int x = mouseService.getX();
			final int y = mouseService.getY();
			display.getCanvas().zoomIn(new IntCoords(x, y));
		}
		else {
			// no mouse coordinates available; use default behavior
			display.getCanvas().zoomIn();
		}
	}

	public void setDisplay(ImageDisplay disp) {
		display = disp;
	}
	
	public ImageDisplay getDisplay() {
		return display;
	}

}

Fix ZoomIn bug (previously it could actually zoom out)