Method update

ij/src/main/java/ij/gui/ImageCanvas.java:160–168

Update this ImageCanvas to have the same zoom and scale settings as the one specified.

(ImageCanvas ic)

	/** Update this ImageCanvas to have the same zoom and scale settings as the one specified. */
	void update(ImageCanvas ic) {
		if (ic==null || ic==this || ic.imp==null)
			return;
		if (ic.imp.getWidth()!=imageWidth || ic.imp.getHeight()!=imageHeight)
			return;
		srcRect = new Rectangle(ic.srcRect.x, ic.srcRect.y, ic.srcRect.width, ic.srcRect.height);
		setMagnification(ic.magnification);
		setSize(ic.dstWidth, ic.dstHeight);
	}

	/** Sets the region of the image (in pixels) to be displayed. */
	@AstroImageJ(reason = "Simply set srcRect to be the given rectangle, allowing for the image to be zoomed out " +