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[dvibrowser/dvi2epub.git] / src / jp / sourceforge / dvibrowser / dvicore / image / pnm / PpmSplitter.java

diff --git a/src/jp/sourceforge/dvibrowser/dvicore/image/pnm/PpmSplitter.java b/src/jp/sourceforge/dvibrowser/dvicore/image/pnm/PpmSplitter.java
deleted file mode 100644 (file)
index 6d62efb..0000000
--- a/src/jp/sourceforge/dvibrowser/dvicore/image/pnm/PpmSplitter.java
+++ /dev/null
@@ -1,95 +0,0 @@
-package jp.sourceforge.dvibrowser.dvicore.image.pnm;
-/*
- * Copyright (c) 2009, Takeyuki Nagao
- * All rights reserved.
- * 
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the
- * following conditions are met:
- * 
- *  * Redistributions of source code must retain the above
- *    copyright notice, this list of conditions and the
- *    following disclaimer.
- *  * 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 COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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.
- */
-
-import java.awt.image.BufferedImage;
-import java.awt.image.DataBufferByte;
-import java.io.InputStream;
-
-import jp.sourceforge.dvibrowser.dvicore.DviException;
-import jp.sourceforge.dvibrowser.dvicore.DviRect;
-import jp.sourceforge.dvibrowser.dvicore.DviSize;
-import jp.sourceforge.dvibrowser.dvicore.image.split.SplitImageWriter;
-
-public class PpmSplitter
-extends AbstractPnmSplitter
-{
-//  private static final Logger LOGGER = Logger.getLogger(PpmSplitter.class
-//      .getName());
-  public PpmSplitter(DviSize unitSize, SplitImageWriter imageWriter)
-  {
-    super(unitSize, imageWriter);
-  }
-  
-  private final int [] table = new int[256];
-  
-  @Override
-  public void beginSplitInternal(PnmHeader header, InputStream is) throws DviException
-  {
-    super.beginSplitInternal(header, is);
-    int maxval = header.getMaxValue();
-    for (int i=0; i<256; i++) {
-      table[i] = Math.max(Math.min(i * maxval / 255, maxval), 0);
-    }
-  }
-  
-  @Override
-  protected byte [] createLineBuffer()
-  {
-    return new byte [header.getWidth() * 3];
-  }
-  
-  @Override
-  protected BufferedImage createBufferedImage(DviRect box)
-  {
-    return new BufferedImage(box.width(), box.height(), BufferedImage.TYPE_3BYTE_BGR);
-  }
-  
-  @Override
-  protected int copyLineToDataBuffer(byte [] buf, int x, DviRect box, int i, DataBufferByte data)
-  {
-    final int w = box.width();
-    final int uw = w * 3;
-    final byte [] dst = data.getData();
-    for (int j=0; j<w; j++) {
-      dst[j * 3 + i * uw + 0] = (byte) table[byteToInt(buf[x + j * 3 + 2])]; // B
-      dst[j * 3 + i * uw + 1] = (byte) table[byteToInt(buf[x + j * 3 + 1])]; // G
-      dst[j * 3 + i * uw + 2] = (byte) table[byteToInt(buf[x + j * 3 + 0])]; // R
-    }
-    return uw;
-  }
-
-  private int byteToInt(byte b) {
-    if (b >= 0) return b;
-    return 256 + b;
-  }
-}