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More AWT/Swing merge from GNU Classpath.

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From-SVN: r56149
This commit is contained in:
Bryce McKinlay 2002-08-09 04:32:43 +00:00 committed by Bryce McKinlay
parent 8f5c92a0a3
commit 084ef9cf09
4 changed files with 373 additions and 0 deletions
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4
libjava/ChangeLog
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@ -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.

107
libjava/gnu/java/awt/EventModifier.java Normal file
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@ -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

113
libjava/gnu/java/awt/image/ImageDecoder.java Normal file
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@ -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;
}

149
libjava/gnu/java/awt/image/XBMDecoder.java Normal file
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/* 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;
}
}