More AWT/Swing merge from GNU Classpath.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@56149 138bc75d-0d04-0410-961f-82ee72b054a4

4 files changed, 373 insertions, 0 deletions

diff --git a/libjava/ChangeLog b/libjava/ChangeLog
index 7e689bb9304..c90d00ad67d 100644
--- a/libjava/ChangeLog
+++ b/libjava/ChangeLog
@@ -405,6 +405,10 @@
 	java/awt/image/renderable/RenderedImageFactory.java: New files from
 	classpath.
 
+	* gnu/java/awt/EventModifier.java,
+	gnu/java/awt/image/ImageDecoder.java,
+	gnu/java/awt/image/XBMDecoder.java: New files from GNU Classpath.
+
 	* Makefile.am: Add new files.
 	* Makefile.in: Rebuilt.
 
diff --git a/libjava/gnu/java/awt/EventModifier.java b/libjava/gnu/java/awt/EventModifier.java
new file mode 100644
index 00000000000..fe1a2782a11
--- /dev/null
+++ b/libjava/gnu/java/awt/EventModifier.java
@@ -0,0 +1,107 @@
+/* EventModifier.java -- tool for converting modifier bits to 1.4 syle
+   Copyright (C) 2002 Free Software Foundation, Inc.
+
+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., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 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.java.awt;
+
+import java.awt.event.InputEvent;
+
+public class EventModifier
+{
+  /** The mask for old events. */
+  public static final int OLD_MASK = 0x3f;
+
+  /** The mask for new events. */
+  public static final int NEW_MASK = 0x3fc0;
+
+  /**
+   * Non-instantiable.
+   */
+  private EventModifier()
+  {
+    throw new InternalError();
+  }
+
+  /**
+   * Converts the old style modifiers (0x3f) to the new style (0xffffffc0).
+   *
+   * @param mod the modifiers to convert
+   * @return the adjusted modifiers
+   */
+  public static int extend(int mod)
+  {
+    // Favor what we hope will be the common case.
+    if ((mod & OLD_MASK) == 0)
+      return mod;
+    if ((mod & InputEvent.SHIFT_MASK) != 0)
+      mod |= InputEvent.SHIFT_DOWN_MASK;
+    if ((mod & InputEvent.CTRL_MASK) != 0)
+      mod |= InputEvent.CTRL_DOWN_MASK;
+    if ((mod & InputEvent.META_MASK) != 0)
+      mod |= InputEvent.META_DOWN_MASK;
+    if ((mod & InputEvent.ALT_MASK) != 0)
+      mod |= InputEvent.ALT_DOWN_MASK;
+    if ((mod & InputEvent.BUTTON1_MASK) != 0)
+      mod |= InputEvent.BUTTON1_DOWN_MASK;
+    if ((mod & InputEvent.ALT_GRAPH_MASK) != 0)
+      mod |= InputEvent.ALT_GRAPH_DOWN_MASK;
+    return mod & ~OLD_MASK;
+  }
+
+  /**
+   * Converts the new style modifiers (0xffffffc0) to the old style (0x3f).
+   *
+   * @param mod the modifiers to convert
+   * @return the adjusted modifiers
+   */
+  public static int revert(int mod)
+  {
+    if ((mod & InputEvent.SHIFT_DOWN_MASK) != 0)
+      mod |= InputEvent.SHIFT_MASK;
+    if ((mod & InputEvent.CTRL_DOWN_MASK) != 0)
+      mod |= InputEvent.CTRL_MASK;
+    if ((mod & InputEvent.META_DOWN_MASK) != 0)
+      mod |= InputEvent.META_MASK;
+    if ((mod & InputEvent.ALT_DOWN_MASK) != 0)
+      mod |= InputEvent.ALT_MASK;
+    if ((mod & InputEvent.ALT_GRAPH_DOWN_MASK) != 0)
+      mod |= InputEvent.ALT_GRAPH_MASK;
+    if ((mod & InputEvent.BUTTON1_DOWN_MASK) != 0)
+      mod |= InputEvent.BUTTON1_MASK;
+    return mod & OLD_MASK;
+  }
+} // class EventModifier
diff --git a/libjava/gnu/java/awt/image/ImageDecoder.java b/libjava/gnu/java/awt/image/ImageDecoder.java
new file mode 100644
index 00000000000..4d3fbecacd7
--- /dev/null
+++ b/libjava/gnu/java/awt/image/ImageDecoder.java
@@ -0,0 +1,113 @@
+/* ImageDecoder.java
+   Copyright (C) 1999, 2000 Free Software Foundation, Inc.
+
+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., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 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.java.awt.image;
+
+import java.awt.*;
+import java.awt.image.*;
+import java.util.*;
+import java.io.*;
+import java.net.URL;
+
+public abstract class ImageDecoder implements ImageProducer 
+{
+  Vector consumers = new Vector ();
+  String filename;
+  URL url;
+
+  public static ColorModel cm;
+
+  static
+  {
+    // FIXME: there was some broken code here that looked like
+    // it wanted to rely on this property.  I don't have any idea
+    // what it was intended to do.
+    // String endian = System.getProperties ().getProperty ("gnu.cpu.endian");
+  }
+
+  public ImageDecoder (String filename)
+  {
+    this.filename = filename;
+  }
+
+  public ImageDecoder (URL url)
+  {
+    this.url = url;
+  }
+
+  public void addConsumer (ImageConsumer ic) 
+  {
+    consumers.addElement (ic);
+  }
+
+  public boolean isConsumer (ImageConsumer ic)
+  {
+    return consumers.contains (ic);
+  }
+  
+  public void removeConsumer (ImageConsumer ic)
+  {
+    consumers.removeElement (ic);
+  }
+
+  public void startProduction (ImageConsumer ic)
+  {
+    addConsumer (ic);
+    Vector list = (Vector) consumers.clone ();
+    try 
+      {
+	FileInputStream is = (url == null) ? new FileInputStream (filename) :
+	                                  (FileInputStream) url.openStream();
+						  
+	produce (list, is);
+      } 
+    catch (Exception e)
+      {
+	for (int i = 0; i < list.size (); i++)
+	  {
+	    ImageConsumer ic2 = (ImageConsumer) list.elementAt (i);
+	    ic2.imageComplete (ImageConsumer.IMAGEERROR);
+	  }
+      }
+  }
+
+  public void requestTopDownLeftRightResend (ImageConsumer ic) 
+  { 
+  }
+
+  abstract void produce (Vector v, FileInputStream is) throws IOException;
+}
diff --git a/libjava/gnu/java/awt/image/XBMDecoder.java b/libjava/gnu/java/awt/image/XBMDecoder.java
new file mode 100644
index 00000000000..2505b3d1ba9
--- /dev/null
+++ b/libjava/gnu/java/awt/image/XBMDecoder.java
@@ -0,0 +1,149 @@
+/* XBMDecoder -- Decodes X-bitmaps
+   Copyright (C) 1999 Free Software Foundation, Inc.
+
+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., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 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.java.awt.image;
+
+import java.awt.*;
+import java.awt.image.*;
+import java.util.*;
+import java.io.*;
+import java.net.URL;
+
+public class XBMDecoder extends ImageDecoder
+{
+  BufferedReader reader;
+  static final ColorModel cm = ColorModel.getRGBdefault ();
+  static final int black = 0xff000000;
+  static final int transparent = 0x00000000;
+  static final int masktable[] = { 0x01, 0x02, 0x04, 0x08, 
+				   0x10, 0x20, 0x40, 0x80 };
+
+  public XBMDecoder (String filename)
+  {
+    super (filename);
+  }
+
+  public XBMDecoder (URL url)
+  {
+    super (url);
+  }
+
+  public void produce (Vector v, FileInputStream is) throws IOException
+  {
+    reader = new BufferedReader (new InputStreamReader (is));
+    int width = -1, height = -1;
+
+    for (int i = 0; i < 2; i++)
+      {
+	String line = reader.readLine ();
+	StringTokenizer st = new StringTokenizer (line);
+	
+	st.nextToken ();		// #define
+	st.nextToken ();		// name_[width|height]
+	if (i == 0)
+	  width = Integer.parseInt (st.nextToken (), 10);
+	else
+	  height = Integer.parseInt (st.nextToken (), 10);
+      }
+
+    for (int i = 0; i < v.size (); i++)
+      {
+	ImageConsumer ic = (ImageConsumer) v.elementAt (i);
+
+	ic.setDimensions (width, height);
+	ic.setColorModel (cm);
+	ic.setHints (ImageConsumer.COMPLETESCANLINES
+		     | ImageConsumer.SINGLEFRAME
+		     | ImageConsumer.SINGLEPASS
+		     | ImageConsumer.TOPDOWNLEFTRIGHT);
+      }
+
+    /* skip to the byte array */
+    while (reader.read () != '{') { }
+
+    /* loop through each scanline */
+    for (int line = 0; line < height; line++)
+      {
+	int scanline[] = getScanline (reader, width);
+
+	for (int i = 0; i < v.size (); i++)
+	  {
+	    ImageConsumer ic = (ImageConsumer) v.elementAt (i);
+	    ic.setPixels (0, 0 + line, width, 1, cm, scanline, 0, width);
+	  }
+      }
+
+    /* tell each ImageConsumer that we're finished */
+    for (int i = 0; i < v.size (); i++)
+      {
+	ImageConsumer ic = (ImageConsumer) v.elementAt (i);
+	ic.imageComplete (ImageConsumer.STATICIMAGEDONE);
+      }
+  }    
+
+  static public int[] getScanline (Reader in, int len) throws IOException
+  {
+    char byteStr[] = new char[2];
+    int scanline[] = new int[len];
+    int x = 0;
+
+    while (x < len)
+      {
+	int ch = in.read ();
+	if (ch == '0')
+	  {
+	    in.read ();		// 'x'
+	    
+	    byteStr[0] = (char) in.read ();
+	    byteStr[1] = (char) in.read ();
+
+	    int byteVal = Integer.parseInt (new String (byteStr), 16);
+
+	    for (int i = 0; i < 8; i++, x++)
+	      {
+		if (x == len)	// condition occurs if bitmap is padded
+		  return scanline;
+
+		scanline[x] = ((byteVal & masktable[i]) != 0) ? 
+		               black : transparent;
+	      }
+	  }	
+      }
+
+    return scanline;
+  }
+}