/* * Copyright 2010, 2011 Institut Pasteur. * * This file is part of ICY. * * ICY is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * ICY is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with ICY. If not, see <http://www.gnu.org/licenses/>. */ package plugins.tutorial.basics; import icy.gui.dialog.MessageDialog; import icy.gui.frame.progress.AnnounceFrame; import icy.image.IcyBufferedImage; import icy.plugin.abstract_.PluginActionable; import icy.sequence.Sequence; import icy.type.collection.array.Array1DUtil; /** * This tutorial details how to create a simple image processing section without specific * knowledge of the original data type. The image will be convert to a 1D array of double, * then the process can be performed and stored back to the original image. * * @author Fabrice de Chaumont * @author Stephane Dallongeville */ public class TransparentlyProcessAnyImageDataType extends PluginActionable { // This method is called as the plugin is launched @Override public void run() { // Display what this tutorial perform. new AnnounceFrame( "This tutorial fades to black the band 0 of the image, on the upper part of the image, regardless of the image dataType."); // Get the current sequence having focus. Sequence sequence = getActiveSequence(); // Check if sequence exists. if (sequence == null) { MessageDialog.showDialog("Please open a sequence to use this plugin.", MessageDialog.WARNING_MESSAGE); return; } // Get the image at t=0 and z=0 IcyBufferedImage image = sequence.getImage(0, 0); // Check if the image exists if (image == null) { MessageDialog.showDialog("No image is present at t=0 and z=0.", MessageDialog.WARNING_MESSAGE); return; } // Get the data of the image for channel 0 as a linear buffer, regardless of the type. Object imageData = image.getDataXY(0); // Get a copy of the data in double. double[] dataBuffer = Array1DUtil.arrayToDoubleArray(imageData, image.isSignedDataType()); // Fade the first half of the pixels. for (int i = 0; i < dataBuffer.length / 2; i++) dataBuffer[i] /= 2; // Put the data back to the original image. // Convert the double data automatically to the data type of the image. // image.getDataXY(0) return a reference on the internal data of the image. Array1DUtil.doubleArrayToArray(dataBuffer, image.getDataXY(0)); // notify the data has changed (internal updates and view refresh) image.dataChanged(); } }