100 lines
3.3 KiB
Java
100 lines
3.3 KiB
Java
/*
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* AppleCommander - An Apple ][ image utility.
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* Copyright (C) 2002-2003 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.storage.filters.imagehandlers;
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import java.io.IOException;
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import java.io.OutputStream;
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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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/**
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* SwtImage is a specific implementation of AppleImage that handles all
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* SWT related coding surrounding image manipulation.
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* <p>
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* Date Created: Mar 25, 2003
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* @author Rob Greene
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*/
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public class SwtImage extends AppleImage {
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private ImageData imageData;
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/**
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* Create SwtImage. Verifies all (known) required classes are available
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* as well as sets up the class.
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*/
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public SwtImage(int width, int height) throws ClassNotFoundException {
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super(new String[] { "BMP", "RLE", "JPEG", "ICO" }); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$//$NON-NLS-4$
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Class.forName("org.eclipse.swt.graphics.ImageLoader"); //$NON-NLS-1$
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Class.forName("org.eclipse.swt.graphics.ImageData"); //$NON-NLS-1$
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Class.forName("org.eclipse.swt.graphics.Image"); //$NON-NLS-1$
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Class.forName("org.eclipse.swt.SWT"); //$NON-NLS-1$
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// Gives better results than manually building the ImageData
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// object. However, explicitly requires DLL in the path.
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imageData = new Image(null, width, height).getImageData();
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}
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/**
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* Set a color point.
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*/
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public void setPoint(int x, int y, int color) {
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imageData.setPixel(x, y, color);
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}
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/**
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* Get a color point.
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*/
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public int getPoint(int x, int y) {
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return imageData.getPixel(x,y);
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}
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/**
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* Save the image.
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*/
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public void save(OutputStream outputStream) throws IOException {
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ImageLoader imageLoader = new ImageLoader();
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imageLoader.data = new ImageData[] { imageData };
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int format = SWT.IMAGE_PNG;
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if ("BMP".equals(getFileExtension())) { //$NON-NLS-1$
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format = SWT.IMAGE_BMP;
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} else if ("RLE".equals(getFileExtension())) { //$NON-NLS-1$
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format = SWT.IMAGE_BMP_RLE;
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} else if ("GIF".equals(getFileExtension())) { //$NON-NLS-1$
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format = SWT.IMAGE_GIF;
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} else if ("ICO".equals(getFileExtension())) { //$NON-NLS-1$
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format = SWT.IMAGE_ICO;
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} else if ("JPEG".equals(getFileExtension())) { //$NON-NLS-1$
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format = SWT.IMAGE_JPEG;
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} else if ("PNG".equals(getFileExtension())) { //$NON-NLS-1$
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format = SWT.IMAGE_PNG;
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}
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imageLoader.save(outputStream, format);
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}
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/**
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* Return the width of the image.
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*/
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public int getWidth() {
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return imageData.width;
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}
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/**
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* Return the height of the image.
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*/
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public int getHeight() {
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return imageData.height;
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}
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}
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