1 files changed, 116 insertions, 0 deletions
diff --git a/libjava/classpath/gnu/javax/imageio/png/PNGICCProfile.java b/libjava/classpath/gnu/javax/imageio/png/PNGICCProfile.java
new file mode 100644
index 000000000..9ecea7166
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+++ b/libjava/classpath/gnu/javax/imageio/png/PNGICCProfile.java
@@ -0,0 +1,116 @@
+/* PNGICCProfile.java --
+   Copyright (C) 2006 Free Software Foundation
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath 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
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+package gnu.javax.imageio.png;
+
+import java.awt.color.ICC_Profile;
+import java.awt.color.ICC_ColorSpace;
+import java.awt.color.ColorSpace;
+import java.io.UnsupportedEncodingException;
+import java.io.IOException;
+import java.io.ByteArrayInputStream;
+import java.util.zip.InflaterInputStream;
+import java.util.zip.Deflater;
+
+/**
+ * A PNG iCCP (ICC Profile) chunk.
+ */
+public class PNGICCProfile extends PNGChunk
+{
+  private String name;
+  private ICC_Profile profile;
+  // A generic profile name to use "ICC Profile"
+  private static final byte[] genericName = new byte[]
+  { 0x49, 0x43, 0x43, 0x20, 0x50, 0x72, 0x6f, 0x66, 0x69, 0x6c, 0x65 };
+
+  protected PNGICCProfile( int type, byte[] data, int crc ) throws PNGException
+  {
+    super( type, data, crc );
+    int i = 0;
+    while( data[i++] != 0 )
+      ;
+
+    try
+      {
+        name = new String(data, 0, i, "8859_1");
+      }
+    catch(UnsupportedEncodingException e)
+      {
+        name = ""; // shouldn't really happen.
+      }
+    if( data[i++] != 0 )
+      throw new PNGException("Can't handle nonzero compression types with iCCP chunks.");
+    try
+      {
+        ByteArrayInputStream bos = new ByteArrayInputStream( data, i,
+                                                             data.length - i );
+        profile = ICC_Profile.getInstance( new InflaterInputStream( bos ) );
+      }
+    catch(IOException ioe)
+      {
+        throw new PNGException("Couldn't read iCCP profile chunk.");
+      }
+    System.out.println("Got profile:"+profile);
+  }
+
+  public PNGICCProfile( ICC_Profile profile )
+  {
+    super( TYPE_PROFILE );
+    this.profile = profile;
+    byte[] profData = profile.getData();
+    byte[] outData = new byte[ profData.length * 2 ];
+    Deflater deflater = new Deflater();
+    deflater.setInput( profData );
+    deflater.finish();
+    int n = deflater.deflate( outData );
+    data = new byte[ n + 11 + 2 ];
+    System.arraycopy(genericName, 0, data, 0, 11 );
+    data[11] = data[12] = 0; // null separator and compression type.
+    // Copy compressed data
+    System.arraycopy(outData, 0, data, 13, n );
+  }
+
+  public ColorSpace getColorSpace()
+  {
+    return new ICC_ColorSpace( profile );
+  }
+
+  public String toString()
+  {
+    return "PNG ICC Profile, name: "+name;
+  }
+}