| 1 | // Jomic - a viewer for comic book archives. |
| 2 | // Copyright (C) 2004-2011 Thomas Aglassinger |
| 3 | // |
| 4 | // This program is free software: you can redistribute it and/or modify |
| 5 | // it under the terms of the GNU General Public License as published by |
| 6 | // the Free Software Foundation, either version 3 of the License, or |
| 7 | // (at your option) any later version. |
| 8 | // |
| 9 | // This program is distributed in the hope that it will be useful, |
| 10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | // GNU General Public License for more details. |
| 13 | // |
| 14 | // You should have received a copy of the GNU General Public License |
| 15 | // along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 16 | package net.sf.jomic.comic; |
| 17 | |
| 18 | import java.awt.datatransfer.DataFlavor; |
| 19 | import java.awt.datatransfer.Transferable; |
| 20 | import java.awt.datatransfer.UnsupportedFlavorException; |
| 21 | import java.awt.image.RenderedImage; |
| 22 | import java.io.IOException; |
| 23 | |
| 24 | import javax.swing.JComponent; |
| 25 | |
| 26 | import net.sf.jomic.tools.ImageTools; |
| 27 | |
| 28 | import org.apache.commons.logging.Log; |
| 29 | import org.apache.commons.logging.LogFactory; |
| 30 | |
| 31 | /** |
| 32 | * Transferable to transfer the currently visible image from a ComicView. |
| 33 | * |
| 34 | * @see ComicView |
| 35 | */ |
| 36 | public class ComicViewTransferable implements Transferable |
| 37 | { |
| 38 | private static Log logger = LogFactory.getLog(ComicViewTransferable.class); |
| 39 | private ComicView comicView; |
| 40 | private ImageTools imageTools; |
| 41 | |
| 42 | public ComicViewTransferable(JComponent component) { |
| 43 | assert component instanceof ComicView; |
| 44 | imageTools = ImageTools.instance(); |
| 45 | comicView = (ComicView) component; |
| 46 | } |
| 47 | |
| 48 | public Object getTransferData(DataFlavor flavor) |
| 49 | throws IOException, UnsupportedFlavorException { |
| 50 | Object result = null; |
| 51 | |
| 52 | if (DataFlavor.imageFlavor.equals(flavor)) { |
| 53 | RenderedImage renderedImage = comicView.getRenderedImage(); |
| 54 | |
| 55 | if (renderedImage != null) { |
| 56 | result = imageTools.getAsBufferedImage(renderedImage); |
| 57 | } else { |
| 58 | logger.warn("ComicView has no image to transfer"); |
| 59 | } |
| 60 | } else { |
| 61 | throw new UnsupportedFlavorException(flavor); |
| 62 | } |
| 63 | return result; |
| 64 | } |
| 65 | |
| 66 | public DataFlavor[] getTransferDataFlavors() { |
| 67 | return new DataFlavor[]{DataFlavor.imageFlavor}; |
| 68 | } |
| 69 | |
| 70 | public boolean isDataFlavorSupported(DataFlavor flavor) { |
| 71 | return DataFlavor.imageFlavor.equals(flavor); |
| 72 | } |
| 73 | } |