-/* $RCSfile$
- * $Author: hansonr $
- * $Date: 2007-06-02 12:14:13 -0500 (Sat, 02 Jun 2007) $
- * $Revision: 7831 $
- *
- * Some portions of this file have been modified by Robert Hanson hansonr.at.stolaf.edu 2012-2017
- * for use in SwingJS via transpilation into JavaScript using Java2Script.
- *
- * Copyright (C) 2000-2005 The Jmol Development Team
- *
- * Contact: jmol-developers@lists.sf.net
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-// ImageEncoder - abstract class for writing out an image
-//
-// Copyright (C) 1996 by Jef Poskanzer <jef@mail.acme.com>. All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions
-// are met:
-// 1. Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-// 2. Redistributions in binary form must reproduce the above copyright
-// notice, this list of conditions and the following disclaimer in the
-// documentation and/or other materials provided with the distribution.
-//
-// THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
-// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-// ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
-// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
-// OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
-// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
-// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
-// OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
-// SUCH DAMAGE.
-//
-// Visit the ACME Labs Java page for up-to-date versions of this and other
-// fine Java utilities: http://www.acme.com/java/
-
-package javajs.img;
-
-import java.util.Map;
-
-import javajs.api.GenericImageEncoder;
-import javajs.util.OC;
-
-
-
-/**
- * Generic abstract image creator:
- *
- * (1) set parameters
- *
- * (2) encode the image bytes, if necessary
- *
- * (3) generate the image
- * @author Bob Hanson hansonr@stolaf.edu
- */
-
-public abstract class ImageEncoder implements GenericImageEncoder {
-
- protected OC out;
-
- protected int width = -1;
- protected int height = -1;
- protected int quality = -1;
- protected String date;
- protected boolean logging;
- protected boolean doClose = true;
-
- /**
- * @param type
- * @param out
- * @param params
- */
- @Override
- public boolean createImage(String type, OC out, Map<String, Object> params)
- throws Exception {
- this.out = out;
- logging = (Boolean.TRUE == params.get("logging"));
- width = ((Integer) params.get("imageWidth")).intValue();
- height = ((Integer) params.get("imageHeight")).intValue();
- pixels = (int[]) params.get("imagePixels");
- date = (String) params.get("date");
- Integer q = (Integer) params.get("quality");
- quality = (q == null ? -1 : q.intValue());
- setParams(params);
- generate();
- close(); // GIF will override this and not close
- return doClose;
- }
-
- abstract protected void setParams(Map<String, Object> params);
- abstract protected void generate() throws Exception;
-
- protected int[] pixels;
-
- protected void putString(String s) {
- byte[] b = s.getBytes();
- out.write(b, 0, b.length);
- }
-
- protected void putByte(int b) {
- out.writeByteAsInt(b);
- }
-
- protected void close() {
- // your responsibility to close the output channel
- }
-
-}