mirror of
https://github.com/AppleCommander/AppleCommander.git
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96 lines
3.4 KiB
Java
96 lines
3.4 KiB
Java
/*
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* AppleCommander - An Apple ][ image utility.
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* Copyright (C) 2002-2004 by Robert Greene
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* robgreene at users.sourceforge.net
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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package com.webcodepro.applecommander.ui.swt.filteradapter;
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import java.io.ByteArrayInputStream;
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import org.eclipse.swt.SWT;
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import org.eclipse.swt.graphics.Image;
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import org.eclipse.swt.graphics.ImageData;
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import org.eclipse.swt.graphics.ImageLoader;
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import org.eclipse.swt.layout.GridData;
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import org.eclipse.swt.layout.GridLayout;
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import org.eclipse.swt.widgets.Label;
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import com.webcodepro.applecommander.ui.UiBundle;
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import com.webcodepro.applecommander.ui.swt.FileViewerWindow;
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import com.webcodepro.applecommander.ui.swt.util.ImageCanvas;
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import com.webcodepro.applecommander.ui.swt.util.contentadapter.ImageCanvasAdapter;
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import com.webcodepro.applecommander.ui.swt.util.contentadapter.NoActionContentTypeAdapter;
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/**
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* Provides a view of an Apple graphic image.
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*
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* @author Rob Greene
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*/
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public class GraphicsFilterAdapter extends FilterAdapter {
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private Image image;
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private boolean error = false;
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public GraphicsFilterAdapter(FileViewerWindow window, String text, String toolTipText, Image image) {
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super(window, text, toolTipText, image);
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}
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public void display() {
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getCopyToolItem().setEnabled(false);
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if (image == null && error == false) {
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try {
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byte[] imageBytes = getFileFilter().filter(getFileEntry());
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ByteArrayInputStream inputStream = new ByteArrayInputStream(imageBytes);
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ImageLoader imageLoader = new ImageLoader();
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ImageData[] imageData = imageLoader.load(inputStream);
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image = new Image(getComposite().getDisplay(), imageData[0]);
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} catch (Throwable t) {
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error = true;
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}
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}
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if (!error) {
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GridLayout layout = new GridLayout();
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getComposite().setLayout(layout);
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GridData gridData = new GridData();
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gridData.widthHint = image.getImageData().width;
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gridData.heightHint = image.getImageData().height;
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ImageCanvas imageCanvas = new ImageCanvas(getComposite(), SWT.NONE, image, gridData);
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getComposite().setContent(imageCanvas);
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getComposite().setExpandHorizontal(true);
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getComposite().setExpandVertical(true);
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getComposite().setMinWidth(image.getImageData().width);
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getComposite().setMinHeight(image.getImageData().height);
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setContentTypeAdapter(new ImageCanvasAdapter(imageCanvas, getFileEntry().getFilename()));
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} else {
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Label label = new Label(getComposite(), SWT.NULL);
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label.setText(UiBundle.getInstance().get(
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"GraphicsFilterAdapter.BadImageMessage")); //$NON-NLS-1$
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getComposite().setContent(label);
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getComposite().setExpandHorizontal(true);
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getComposite().setExpandVertical(true);
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setContentTypeAdapter(new NoActionContentTypeAdapter());
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}
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}
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public void dispose() {
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if (image != null) image.dispose();
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}
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}
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