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[/] [scarts/] [trunk/] [toolchain/] [scarts-gcc/] [gcc-4.1.1/] [libjava/] [classpath/] [java/] [awt/] [image/] [BufferedImage.java] - Blame information for rev 14

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/* BufferedImage.java --
   Copyright (C) 2000, 2002, 2003, 2004, 2005  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 java.awt.image;
 
import gnu.java.awt.ComponentDataBlitOp;
 
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.GraphicsEnvironment;
import java.awt.Image;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.Transparency;
import java.awt.color.ColorSpace;
import java.util.Hashtable;
import java.util.Vector;
 
/**
 * A buffered image always starts at coordinates (0, 0).
 *
 * The buffered image is not subdivided into multiple tiles. Instead,
 * the image consists of one large tile (0,0) with the width and
 * height of the image. This tile is always considered to be checked
 * out.
 *
 * @author Rolf W. Rasmussen (rolfwr@ii.uib.no)
 */
public class BufferedImage extends Image
  implements WritableRenderedImage, Transparency
{
  public static final int TYPE_CUSTOM         =  0,
                          TYPE_INT_RGB        =  1,
                          TYPE_INT_ARGB       =  2,
                          TYPE_INT_ARGB_PRE   =  3,
                          TYPE_INT_BGR        =  4,
                          TYPE_3BYTE_BGR      =  5,
                          TYPE_4BYTE_ABGR     =  6,
                          TYPE_4BYTE_ABGR_PRE =  7,
                          TYPE_USHORT_565_RGB =  8,
                          TYPE_USHORT_555_RGB =  9,
                          TYPE_BYTE_GRAY      = 10,
                          TYPE_USHORT_GRAY    = 11,
                          TYPE_BYTE_BINARY    = 12,
                          TYPE_BYTE_INDEXED   = 13;
 
  static final int[] bits3 = { 8, 8, 8 };
  static final int[] bits4 = { 8, 8, 8 };
  static final int[] bits1byte = { 8 };
  static final int[] bits1ushort = { 16 };
 
  static final int[] masks_int = { 0x00ff0000,
                                   0x0000ff00,
                                   0x000000ff,
                                   DataBuffer.TYPE_INT };
  static final int[] masks_565 = { 0xf800,
                                   0x07e0,
                                   0x001f,
                                   DataBuffer.TYPE_USHORT};
  static final int[] masks_555 = { 0x7c00,
                                   0x03e0,
                                   0x001f,
                                   DataBuffer.TYPE_USHORT};
 
  Vector observers;
 
  public BufferedImage(int w, int h, int type)
  {
    ColorModel cm = null;
 
    boolean alpha = false;
    boolean premultiplied = false;
    switch (type)
      {
      case TYPE_4BYTE_ABGR_PRE:
      case TYPE_INT_ARGB_PRE:
        premultiplied = true;
        // fall through
      case TYPE_INT_ARGB:
      case TYPE_4BYTE_ABGR:
        alpha = true;
      }
 
    ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
    switch (type)
      {
      case TYPE_INT_RGB:
      case TYPE_INT_ARGB:
      case TYPE_INT_ARGB_PRE:
      case TYPE_USHORT_565_RGB:
      case TYPE_USHORT_555_RGB:
        int[] masks = null;
        switch (type)
          {
          case TYPE_INT_RGB:
          case TYPE_INT_ARGB:
          case TYPE_INT_ARGB_PRE:
            masks = masks_int;
            break;
          case TYPE_USHORT_565_RGB:
            masks = masks_565;
            break;
          case TYPE_USHORT_555_RGB:
            masks = masks_555;
            break;
          }
 
        cm = new DirectColorModel(cs,
                                  32, // 32 bits in an int
                                  masks[0], // r
                                  masks[1], // g
                                  masks[2], // b
                                  alpha ? 0xff000000 : 0,
                                  premultiplied,
                                  masks[3] // data type
                                  );
        break;
 
      case TYPE_INT_BGR:
        String msg =
          "FIXME: Programmer is confused. Why (and how) does a " +
          "TYPE_INT_BGR image use ComponentColorModel to store " +
          "8-bit values? Is data type TYPE_INT or TYPE_BYTE. What " +
          "is the difference between TYPE_INT_BGR and TYPE_3BYTE_BGR?";
        throw new UnsupportedOperationException(msg);
 
      case TYPE_3BYTE_BGR:
      case TYPE_4BYTE_ABGR:
      case TYPE_4BYTE_ABGR_PRE:
      case TYPE_BYTE_GRAY:
      case TYPE_USHORT_GRAY:
        int[] bits = null;
        int dataType = DataBuffer.TYPE_BYTE;
        switch (type) {
        case TYPE_3BYTE_BGR:
          bits = bits3;
          break;
        case TYPE_4BYTE_ABGR:
        case TYPE_4BYTE_ABGR_PRE:
          bits = bits4;
          break;
        case TYPE_BYTE_GRAY:
          bits = bits1byte;
          break;
        case TYPE_USHORT_GRAY:
          bits = bits1ushort;
          dataType = DataBuffer.TYPE_USHORT;
          break;
        }
        cm = new ComponentColorModel(cs, bits, alpha, premultiplied,
                                     alpha ?
                                     Transparency.TRANSLUCENT:
                                     Transparency.OPAQUE,
                                     dataType);
        break;
      case TYPE_BYTE_BINARY:
        byte[] vals = { 0, (byte) 0xff };
        cm = new IndexColorModel(8, 2, vals, vals, vals);
        break;
      case TYPE_BYTE_INDEXED:
        String msg2 = "type not implemented yet";
        throw new UnsupportedOperationException(msg2);
        // FIXME: build color-cube and create color model
      }
 
    init(cm,
         cm.createCompatibleWritableRaster(w, h),
         premultiplied,
         null, // no properties
         type
         );
  }
 
  public BufferedImage(int w, int h, int type,
                       IndexColorModel indexcolormodel)
  {
    if ((type != TYPE_BYTE_BINARY) && (type != TYPE_BYTE_INDEXED))
      throw new IllegalArgumentException("type must be binary or indexed");
 
    init(indexcolormodel,
         indexcolormodel.createCompatibleWritableRaster(w, h),
         false, // not premultiplied (guess)
         null, // no properties
         type);
  }
 
  public BufferedImage(ColorModel colormodel,
                       WritableRaster writableraster,
                       boolean premultiplied,
                       Hashtable properties)
  {
    init(colormodel, writableraster, premultiplied, properties,
         TYPE_CUSTOM);
    // TODO: perhaps try to identify type?
  }
 
  WritableRaster raster;
  ColorModel colorModel;
  Hashtable properties;
  boolean isPremultiplied;
  int type;
 
  private void init(ColorModel cm,
                    WritableRaster writableraster,
                    boolean premultiplied,
                    Hashtable properties,
                    int type)
  {
    raster = writableraster;
    colorModel = cm;
    this.properties = properties;
    isPremultiplied = premultiplied;
    this.type = type;
  }
 
  //public void addTileObserver(TileObserver tileobserver) {}
 
  public void coerceData(boolean premultiplied)
  {
    colorModel = colorModel.coerceData(raster, premultiplied);
  }
 
  public WritableRaster copyData(WritableRaster dest)
  {
    if (dest == null)
      dest = raster.createCompatibleWritableRaster(getMinX(), getMinY(),
                                                   getWidth(),getHeight());
 
    int x = dest.getMinX();
    int y = dest.getMinY();
    int w = dest.getWidth();
    int h = dest.getHeight();
 
    // create a src child that has the right bounds...
    WritableRaster src =
      raster.createWritableChild(x, y, w, h, x, y,
                                 null  // same bands
                                 );
    if (src.getSampleModel () instanceof ComponentSampleModel
        && dest.getSampleModel () instanceof ComponentSampleModel)
      // Refer to ComponentDataBlitOp for optimized data blitting:
      ComponentDataBlitOp.INSTANCE.filter(src, dest);
    else
      {
        // slower path
        int samples[] = src.getPixels (x, y, w, h, (int [])null);
        dest.setPixels (x, y, w, h, samples);
      }
    return dest;
  }
 
  public Graphics2D createGraphics()
  {
    GraphicsEnvironment env;
    env = GraphicsEnvironment.getLocalGraphicsEnvironment ();
    return env.createGraphics (this);
  }
 
  public void flush() {
  }
 
  public WritableRaster getAlphaRaster()
  {
    return colorModel.getAlphaRaster(raster);
  }
 
  public ColorModel getColorModel()
  {
    return colorModel;
  }
 
  public Raster getData()
  {
    return copyData(null);
    /* TODO: this might be optimized by returning the same
       raster (not writable) as long as image data doesn't change. */
  }
 
  public Raster getData(Rectangle rectangle)
  {
    WritableRaster dest =
      raster.createCompatibleWritableRaster(rectangle);
    return copyData(dest);
  }
 
  public Graphics getGraphics()
  {
    return createGraphics();
  }
 
  public int getHeight()
  {
    return raster.getHeight();
  }
 
  public int getHeight(ImageObserver imageobserver)
  {
    return getHeight();
  }
 
  public int getMinTileX()
  {
    return 0;
  }
 
  public int getMinTileY()
  {
    return 0;
  }
 
  public int getMinX()
  {
    return 0;
  }
 
  public int getMinY()
  {
    return 0;
  }
 
  public int getNumXTiles()
  {
    return 1;
  }
 
  public int getNumYTiles()
  {
        return 1;
  }
 
  public Object getProperty(String string)
  {
    if (properties == null)
      return null;
    return properties.get(string);
  }
 
  public Object getProperty(String string, ImageObserver imageobserver)
  {
    return getProperty(string);
  }
 
 
  public String[] getPropertyNames()
  {
    // FIXME: implement
    return null;
  }
 
  public int getRGB(int x, int y)
  {
    Object rgbElem = raster.getDataElements(x, y,
                                            null // create as needed
                                            );
    return colorModel.getRGB(rgbElem);
  }
 
  public int[] getRGB(int startX, int startY, int w, int h,
                      int[] rgbArray,
                      int offset, int scanlineStride)
  {
    if (rgbArray == null)
    {
      /*
        000000000000000000
        00000[#######-----   [ = start
        -----########-----   ] = end
        -----#######]00000
        000000000000000000  */
      int size = (h-1)*scanlineStride + w;
      rgbArray = new int[size];
    }
 
    int endX = startX + w;
    int endY = startY + h;
 
    /* *TODO*:
       Opportunity for optimization by examining color models...
 
       Perhaps wrap the rgbArray up in a WritableRaster with packed
       sRGB color model and perform optimized rendering into the
       array. */
 
    Object rgbElem = null;
    for (int y=startY; y<endY; y++)
      {
        int xoffset = offset;
        for (int x=startX; x<endX; x++)
          {
            int rgb;
            rgbElem = raster.getDataElements(x, y, rgbElem);
            rgb = colorModel.getRGB(rgbElem);
            rgbArray[xoffset++] = rgb;
          }
        offset += scanlineStride;
      }
    return rgbArray;
  }
 
  public WritableRaster getRaster()
  {
    return raster;
  }
 
  public SampleModel getSampleModel()
  {
    return raster.getSampleModel();
  }
 
  public ImageProducer getSource()
  {
    return new ImageProducer() {
 
        Vector consumers = new Vector();
 
        public void addConsumer(ImageConsumer ic)
        {
          if(!consumers.contains(ic))
            consumers.add(ic);
        }
 
        public boolean isConsumer(ImageConsumer ic)
        {
          return consumers.contains(ic);
        }
 
        public void removeConsumer(ImageConsumer ic)
        {
          consumers.remove(ic);
        }
 
        public void startProduction(ImageConsumer ic)
        {
          int x = 0;
          int y = 0;
          int width = getWidth();
          int height = getHeight();
          int stride = width;
          int offset = 0;
          int[] pixels = getRGB(x, y,
                                width, height,
                                (int[])null, offset, stride);
          ColorModel model = getColorModel();
 
          consumers.add(ic);
 
          for(int i=0;i<consumers.size();i++)
            {
              ImageConsumer c = (ImageConsumer) consumers.elementAt(i);
              c.setHints(ImageConsumer.SINGLEPASS);
              c.setDimensions(getWidth(), getHeight());
              c.setPixels(x, y, width, height, model, pixels, offset, stride);
              c.imageComplete(ImageConsumer.STATICIMAGEDONE);
            }
        }
 
        public void requestTopDownLeftRightResend(ImageConsumer ic)
        {
          startProduction(ic);
        }
 
      };
  }
 
  public Vector getSources()
  {
    return null;
  }
 
  public BufferedImage getSubimage(int x, int y, int w, int h)
  {
    WritableRaster subRaster =
      getRaster().createWritableChild(x, y, w, h, 0, 0, null);
 
    return new BufferedImage(getColorModel(),
                             subRaster,
                             isPremultiplied,
                             properties);
  }
 
  public Raster getTile(int tileX, int tileY)
  {
    return getWritableTile(tileX, tileY);
  }
 
  public int getTileGridXOffset()
  {
    return 0; // according to javadocs
  }
 
  public int getTileGridYOffset()
  {
    return 0; // according to javadocs
  }
 
  public int getTileHeight()
  {
    return getHeight(); // image is one big tile
  }
 
  public int getTileWidth()
  {
    return getWidth(); // image is one big tile
  }
 
  public int getType()
  {
    return type;
  }
 
  public int getWidth()
  {
    return raster.getWidth();
  }
 
  public int getWidth(ImageObserver imageobserver)
  {
    return getWidth();
  }
 
  public WritableRaster getWritableTile(int tileX, int tileY)
  {
    isTileWritable(tileX, tileY);  // for exception
    return raster;
  }
 
  private static final Point[] tileIndices = { new Point() };
 
  public Point[] getWritableTileIndices()
  {
    return tileIndices;
  }
 
  public boolean hasTileWriters()
  {
    return true;
  }
 
  public boolean isAlphaPremultiplied()
  {
    return isPremultiplied;
  }
 
  public boolean isTileWritable(int tileX, int tileY)
  {
    if ((tileX != 0) || (tileY != 0))
      throw new ArrayIndexOutOfBoundsException("only tile is (0,0)");
    return true;
  }
 
  public void releaseWritableTile(int tileX, int tileY)
  {
    isTileWritable(tileX, tileY);  // for exception
  }
 
  //public void removeTileObserver(TileObserver tileobserver) {}
 
  public void setData(Raster src)
  {
    int x = src.getMinX();
    int y = src.getMinY();
    int w = src.getWidth();
    int h = src.getHeight();
 
    // create a dest child that has the right bounds...
    WritableRaster dest =
      raster.createWritableChild(x, y, w, h, x, y,
                                 null  // same bands
                                 );
 
    if (src.getSampleModel () instanceof ComponentSampleModel
        && dest.getSampleModel () instanceof ComponentSampleModel)
 
      // Refer to ComponentDataBlitOp for optimized data blitting:
      ComponentDataBlitOp.INSTANCE.filter(src, dest);
    else
      {
        // slower path
        int samples[] = src.getPixels (x, y, w, h, (int [])null);
        dest.setPixels (x, y, w, h, samples);
      }
  }
 
  public void setRGB(int x, int y, int argb)
  {
    Object rgbElem = colorModel.getDataElements(argb, null);
    raster.setDataElements(x, y, rgbElem);
  }
 
  public void setRGB(int startX, int startY, int w, int h,
                     int[] argbArray, int offset, int scanlineStride)
  {
    int endX = startX + w;
    int endY = startY + h;
 
    Object rgbElem = null;
    for (int y=startY; y<endY; y++)
      {
        int xoffset = offset;
        for (int x=startX; x<endX; x++)
          {
            int argb = argbArray[xoffset++];
            rgbElem = colorModel.getDataElements(argb, rgbElem);
            raster.setDataElements(x, y, rgbElem);
          }
        offset += scanlineStride;
      }
  }
 
  public String toString()
  {
    StringBuffer buf;
 
    buf = new StringBuffer(/* estimated length */ 120);
    buf.append("BufferedImage@");
    buf.append(Integer.toHexString(hashCode()));
    buf.append(": type=");
    buf.append(type);
    buf.append(' ');
    buf.append(colorModel);
    buf.append(' ');
    buf.append(raster);
 
    return buf.toString();
  }
 
 
  /**
   * Adds a tile observer. If the observer is already present, it receives
   * multiple notifications.
   *
   * @param to The TileObserver to add.
   */
  public void addTileObserver (TileObserver to)
  {
    if (observers == null)
      observers = new Vector ();
 
    observers.add (to);
  }
 
  /**
   * Removes a tile observer. If the observer was not registered,
   * nothing happens. If the observer was registered for multiple
   * notifications, it is now registered for one fewer notification.
   *
   * @param to The TileObserver to remove.
   */
  public void removeTileObserver (TileObserver to)
  {
    if (observers == null)
      return;
 
    observers.remove (to);
  }
 
  /**
   * Return the transparency type.
   *
   * @return One of {@link #OPAQUE}, {@link #BITMASK}, or {@link #TRANSLUCENT}.
   * @see Transparency#getTransparency()
   * @since 1.5
   */
  public int getTransparency()
  {
    return colorModel.getTransparency();
  }
}

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[/] [scarts/] [trunk/] [toolchain/] [scarts-gcc/] [gcc-4.1.1/] [libjava/] [classpath/] [java/] [awt/] [image/] [BufferedImage.java] - Blame information for rev 14

Line No.	Rev	Author	Line
1	14	jlechner	`/* BufferedImage.java --`
2			`Copyright (C) 2000, 2002, 2003, 2004, 2005 Free Software Foundation`
3
4			`This file is part of GNU Classpath.`
5
6			`GNU Classpath is free software; you can redistribute it and/or modify`
7			`it under the terms of the GNU General Public License as published by`
8			`the Free Software Foundation; either version 2, or (at your option)`
9			`any later version.`
10
11			`GNU Classpath is distributed in the hope that it will be useful, but`
12			`WITHOUT ANY WARRANTY; without even the implied warranty of`
13			`MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU`
14			`General Public License for more details.`
15
16			`You should have received a copy of the GNU General Public License`
17			`along with GNU Classpath; see the file COPYING. If not, write to the`
18			`Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA`
19			`02110-1301 USA.`
20
21			`Linking this library statically or dynamically with other modules is`
22			`making a combined work based on this library. Thus, the terms and`
23			`conditions of the GNU General Public License cover the whole`
24			`combination.`
25
26			`As a special exception, the copyright holders of this library give you`
27			`permission to link this library with independent modules to produce an`
28			`executable, regardless of the license terms of these independent`
29			`modules, and to copy and distribute the resulting executable under`
30			`terms of your choice, provided that you also meet, for each linked`
31			`independent module, the terms and conditions of the license of that`
32			`module. An independent module is a module which is not derived from`
33			`or based on this library. If you modify this library, you may extend`
34			`this exception to your version of the library, but you are not`
35			`obligated to do so. If you do not wish to do so, delete this`
36			`exception statement from your version. */`
37
38
39			`package java.awt.image;`
40
41			`import gnu.java.awt.ComponentDataBlitOp;`
42
43			`import java.awt.Graphics;`
44			`import java.awt.Graphics2D;`
45			`import java.awt.GraphicsEnvironment;`
46			`import java.awt.Image;`
47			`import java.awt.Point;`
48			`import java.awt.Rectangle;`
49			`import java.awt.Transparency;`
50			`import java.awt.color.ColorSpace;`
51			`import java.util.Hashtable;`
52			`import java.util.Vector;`
53
54			`/**`
55			`* A buffered image always starts at coordinates (0, 0).`
56			`*`
57			`* The buffered image is not subdivided into multiple tiles. Instead,`
58			`* the image consists of one large tile (0,0) with the width and`
59			`* height of the image. This tile is always considered to be checked`
60			`* out.`
61			`*`
62			`* @author Rolf W. Rasmussen (rolfwr@ii.uib.no)`
63			`*/`
64			`public class BufferedImage extends Image`
65			`implements WritableRenderedImage, Transparency`
66			`{`
67			`public static final int TYPE_CUSTOM = 0,`
68			`TYPE_INT_RGB = 1,`
69			`TYPE_INT_ARGB = 2,`
70			`TYPE_INT_ARGB_PRE = 3,`
71			`TYPE_INT_BGR = 4,`
72			`TYPE_3BYTE_BGR = 5,`
73			`TYPE_4BYTE_ABGR = 6,`
74			`TYPE_4BYTE_ABGR_PRE = 7,`
75			`TYPE_USHORT_565_RGB = 8,`
76			`TYPE_USHORT_555_RGB = 9,`
77			`TYPE_BYTE_GRAY = 10,`
78			`TYPE_USHORT_GRAY = 11,`
79			`TYPE_BYTE_BINARY = 12,`
80			`TYPE_BYTE_INDEXED = 13;`
81
82			`static final int[] bits3 = { 8, 8, 8 };`
83			`static final int[] bits4 = { 8, 8, 8 };`
84			`static final int[] bits1byte = { 8 };`
85			`static final int[] bits1ushort = { 16 };`
86
87			`static final int[] masks_int = { 0x00ff0000,`
88			`0x0000ff00,`
89			`0x000000ff,`
90			`DataBuffer.TYPE_INT };`
91			`static final int[] masks_565 = { 0xf800,`
92			`0x07e0,`
93			`0x001f,`
94			`DataBuffer.TYPE_USHORT};`
95			`static final int[] masks_555 = { 0x7c00,`
96			`0x03e0,`
97			`0x001f,`
98			`DataBuffer.TYPE_USHORT};`
99
100			`Vector observers;`
101
102			`public BufferedImage(int w, int h, int type)`
103			`{`
104			`ColorModel cm = null;`
105
106			`boolean alpha = false;`
107			`boolean premultiplied = false;`
108			`switch (type)`
109			`{`
110			`case TYPE_4BYTE_ABGR_PRE:`
111			`case TYPE_INT_ARGB_PRE:`
112			`premultiplied = true;`
113			`// fall through`
114			`case TYPE_INT_ARGB:`
115			`case TYPE_4BYTE_ABGR:`
116			`alpha = true;`
117			`}`
118
119			`ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);`
120			`switch (type)`
121			`{`
122			`case TYPE_INT_RGB:`
123			`case TYPE_INT_ARGB:`
124			`case TYPE_INT_ARGB_PRE:`
125			`case TYPE_USHORT_565_RGB:`
126			`case TYPE_USHORT_555_RGB:`
127			`int[] masks = null;`
128			`switch (type)`
129			`{`
130			`case TYPE_INT_RGB:`
131			`case TYPE_INT_ARGB:`
132			`case TYPE_INT_ARGB_PRE:`
133			`masks = masks_int;`
134			`break;`
135			`case TYPE_USHORT_565_RGB:`
136			`masks = masks_565;`
137			`break;`
138			`case TYPE_USHORT_555_RGB:`
139			`masks = masks_555;`
140			`break;`
141			`}`
142
143			`cm = new DirectColorModel(cs,`
144			`32, // 32 bits in an int`
145			`masks[0], // r`
146			`masks[1], // g`
147			`masks[2], // b`
148			`alpha ? 0xff000000 : 0,`
149			`premultiplied,`
150			`masks[3] // data type`
151			`);`
152			`break;`
153
154			`case TYPE_INT_BGR:`
155			`String msg =`
156			`"FIXME: Programmer is confused. Why (and how) does a " +`
157			`"TYPE_INT_BGR image use ComponentColorModel to store " +`
158			`"8-bit values? Is data type TYPE_INT or TYPE_BYTE. What " +`
159			`"is the difference between TYPE_INT_BGR and TYPE_3BYTE_BGR?";`
160			`throw new UnsupportedOperationException(msg);`
161
162			`case TYPE_3BYTE_BGR:`
163			`case TYPE_4BYTE_ABGR:`
164			`case TYPE_4BYTE_ABGR_PRE:`
165			`case TYPE_BYTE_GRAY:`
166			`case TYPE_USHORT_GRAY:`
167			`int[] bits = null;`
168			`int dataType = DataBuffer.TYPE_BYTE;`
169			`switch (type) {`
170			`case TYPE_3BYTE_BGR:`
171			`bits = bits3;`
172			`break;`
173			`case TYPE_4BYTE_ABGR:`
174			`case TYPE_4BYTE_ABGR_PRE:`
175			`bits = bits4;`
176			`break;`
177			`case TYPE_BYTE_GRAY:`
178			`bits = bits1byte;`
179			`break;`
180			`case TYPE_USHORT_GRAY:`
181			`bits = bits1ushort;`
182			`dataType = DataBuffer.TYPE_USHORT;`
183			`break;`
184			`}`
185			`cm = new ComponentColorModel(cs, bits, alpha, premultiplied,`
186			`alpha ?`
187			`Transparency.TRANSLUCENT:`
188			`Transparency.OPAQUE,`
189			`dataType);`
190			`break;`
191			`case TYPE_BYTE_BINARY:`
192			`byte[] vals = { 0, (byte) 0xff };`
193			`cm = new IndexColorModel(8, 2, vals, vals, vals);`
194			`break;`
195			`case TYPE_BYTE_INDEXED:`
196			`String msg2 = "type not implemented yet";`
197			`throw new UnsupportedOperationException(msg2);`
198			`// FIXME: build color-cube and create color model`
199			`}`
200
201			`init(cm,`
202			`cm.createCompatibleWritableRaster(w, h),`
203			`premultiplied,`
204			`null, // no properties`
205			`type`
206			`);`
207			`}`
208
209			`public BufferedImage(int w, int h, int type,`
210			`IndexColorModel indexcolormodel)`
211			`{`
212			`if ((type != TYPE_BYTE_BINARY) && (type != TYPE_BYTE_INDEXED))`
213			`throw new IllegalArgumentException("type must be binary or indexed");`
214
215			`init(indexcolormodel,`
216			`indexcolormodel.createCompatibleWritableRaster(w, h),`
217			`false, // not premultiplied (guess)`
218			`null, // no properties`
219			`type);`
220			`}`
221
222			`public BufferedImage(ColorModel colormodel,`
223			`WritableRaster writableraster,`
224			`boolean premultiplied,`
225			`Hashtable properties)`
226			`{`
227			`init(colormodel, writableraster, premultiplied, properties,`
228			`TYPE_CUSTOM);`
229			`// TODO: perhaps try to identify type?`
230			`}`
231
232			`WritableRaster raster;`
233			`ColorModel colorModel;`
234			`Hashtable properties;`
235			`boolean isPremultiplied;`
236			`int type;`
237
238			`private void init(ColorModel cm,`
239			`WritableRaster writableraster,`
240			`boolean premultiplied,`
241			`Hashtable properties,`
242			`int type)`
243			`{`
244			`raster = writableraster;`
245			`colorModel = cm;`
246			`this.properties = properties;`
247			`isPremultiplied = premultiplied;`
248			`this.type = type;`
249			`}`
250
251			`//public void addTileObserver(TileObserver tileobserver) {}`
252
253			`public void coerceData(boolean premultiplied)`
254			`{`
255			`colorModel = colorModel.coerceData(raster, premultiplied);`
256			`}`
257
258			`public WritableRaster copyData(WritableRaster dest)`
259			`{`
260			`if (dest == null)`
261			`dest = raster.createCompatibleWritableRaster(getMinX(), getMinY(),`
262			`getWidth(),getHeight());`
263
264			`int x = dest.getMinX();`
265			`int y = dest.getMinY();`
266			`int w = dest.getWidth();`
267			`int h = dest.getHeight();`
268
269			`// create a src child that has the right bounds...`
270			`WritableRaster src =`
271			`raster.createWritableChild(x, y, w, h, x, y,`
272			`null // same bands`
273			`);`
274			`if (src.getSampleModel () instanceof ComponentSampleModel`
275			`&& dest.getSampleModel () instanceof ComponentSampleModel)`
276			`// Refer to ComponentDataBlitOp for optimized data blitting:`
277			`ComponentDataBlitOp.INSTANCE.filter(src, dest);`
278			`else`
279			`{`
280			`// slower path`
281			`int samples[] = src.getPixels (x, y, w, h, (int [])null);`
282			`dest.setPixels (x, y, w, h, samples);`
283			`}`
284			`return dest;`
285			`}`
286
287			`public Graphics2D createGraphics()`
288			`{`
289			`GraphicsEnvironment env;`
290			`env = GraphicsEnvironment.getLocalGraphicsEnvironment ();`
291			`return env.createGraphics (this);`
292			`}`
293
294			`public void flush() {`
295			`}`
296
297			`public WritableRaster getAlphaRaster()`
298			`{`
299			`return colorModel.getAlphaRaster(raster);`
300			`}`
301
302			`public ColorModel getColorModel()`
303			`{`
304			`return colorModel;`
305			`}`
306
307			`public Raster getData()`
308			`{`
309			`return copyData(null);`
310			`/* TODO: this might be optimized by returning the same`
311			`raster (not writable) as long as image data doesn't change. */`
312			`}`
313
314			`public Raster getData(Rectangle rectangle)`
315			`{`
316			`WritableRaster dest =`
317			`raster.createCompatibleWritableRaster(rectangle);`
318			`return copyData(dest);`
319			`}`
320
321			`public Graphics getGraphics()`
322			`{`
323			`return createGraphics();`
324			`}`
325
326			`public int getHeight()`
327			`{`
328			`return raster.getHeight();`
329			`}`
330
331			`public int getHeight(ImageObserver imageobserver)`
332			`{`
333			`return getHeight();`
334			`}`
335
336			`public int getMinTileX()`
337			`{`
338			`return 0;`
339			`}`
340
341			`public int getMinTileY()`
342			`{`
343			`return 0;`
344			`}`
345
346			`public int getMinX()`
347			`{`
348			`return 0;`
349			`}`
350
351			`public int getMinY()`
352			`{`
353			`return 0;`
354			`}`
355
356			`public int getNumXTiles()`
357			`{`
358			`return 1;`
359			`}`
360
361			`public int getNumYTiles()`
362			`{`
363			`return 1;`
364			`}`
365
366			`public Object getProperty(String string)`
367			`{`
368			`if (properties == null)`
369			`return null;`
370			`return properties.get(string);`
371			`}`
372
373			`public Object getProperty(String string, ImageObserver imageobserver)`
374			`{`
375			`return getProperty(string);`
376			`}`
377
378
379			`public String[] getPropertyNames()`
380			`{`
381			`// FIXME: implement`
382			`return null;`
383			`}`
384
385			`public int getRGB(int x, int y)`
386			`{`
387			`Object rgbElem = raster.getDataElements(x, y,`
388			`null // create as needed`
389			`);`
390			`return colorModel.getRGB(rgbElem);`
391			`}`
392
393			`public int[] getRGB(int startX, int startY, int w, int h,`
394			`int[] rgbArray,`
395			`int offset, int scanlineStride)`
396			`{`
397			`if (rgbArray == null)`
398			`{`
399			`/*`
400			`000000000000000000`
401			`00000[#######----- [ = start`
402			`-----########----- ] = end`
403			`-----#######]00000`
404			`000000000000000000 */`
405			`int size = (h-1)*scanlineStride + w;`
406			`rgbArray = new int[size];`
407			`}`
408
409			`int endX = startX + w;`
410			`int endY = startY + h;`
411
412			`/* TODO:`
413			`Opportunity for optimization by examining color models...`
414
415			`Perhaps wrap the rgbArray up in a WritableRaster with packed`
416			`sRGB color model and perform optimized rendering into the`
417			`array. */`
418
419			`Object rgbElem = null;`
420			`for (int y=startY; y<endY; y++)`
421			`{`
422			`int xoffset = offset;`
423			`for (int x=startX; x<endX; x++)`
424			`{`
425			`int rgb;`
426			`rgbElem = raster.getDataElements(x, y, rgbElem);`
427			`rgb = colorModel.getRGB(rgbElem);`
428			`rgbArray[xoffset++] = rgb;`
429			`}`
430			`offset += scanlineStride;`
431			`}`
432			`return rgbArray;`
433			`}`
434
435			`public WritableRaster getRaster()`
436			`{`
437			`return raster;`
438			`}`
439
440			`public SampleModel getSampleModel()`
441			`{`
442			`return raster.getSampleModel();`
443			`}`
444
445			`public ImageProducer getSource()`
446			`{`
447			`return new ImageProducer() {`
448
449			`Vector consumers = new Vector();`
450
451			`public void addConsumer(ImageConsumer ic)`
452			`{`
453			`if(!consumers.contains(ic))`
454			`consumers.add(ic);`
455			`}`
456
457			`public boolean isConsumer(ImageConsumer ic)`
458			`{`
459			`return consumers.contains(ic);`
460			`}`
461
462			`public void removeConsumer(ImageConsumer ic)`
463			`{`
464			`consumers.remove(ic);`
465			`}`
466
467			`public void startProduction(ImageConsumer ic)`
468			`{`
469			`int x = 0;`
470			`int y = 0;`
471			`int width = getWidth();`
472			`int height = getHeight();`
473			`int stride = width;`
474			`int offset = 0;`
475			`int[] pixels = getRGB(x, y,`
476			`width, height,`
477			`(int[])null, offset, stride);`
478			`ColorModel model = getColorModel();`
479
480			`consumers.add(ic);`
481
482			`for(int i=0;i<consumers.size();i++)`
483			`{`
484			`ImageConsumer c = (ImageConsumer) consumers.elementAt(i);`
485			`c.setHints(ImageConsumer.SINGLEPASS);`
486			`c.setDimensions(getWidth(), getHeight());`
487			`c.setPixels(x, y, width, height, model, pixels, offset, stride);`
488			`c.imageComplete(ImageConsumer.STATICIMAGEDONE);`
489			`}`
490			`}`
491
492			`public void requestTopDownLeftRightResend(ImageConsumer ic)`
493			`{`
494			`startProduction(ic);`
495			`}`
496
497			`};`
498			`}`
499
500			`public Vector getSources()`
501			`{`
502			`return null;`
503			`}`
504
505			`public BufferedImage getSubimage(int x, int y, int w, int h)`
506			`{`
507			`WritableRaster subRaster =`
508			`getRaster().createWritableChild(x, y, w, h, 0, 0, null);`
509
510			`return new BufferedImage(getColorModel(),`
511			`subRaster,`
512			`isPremultiplied,`
513			`properties);`
514			`}`
515
516			`public Raster getTile(int tileX, int tileY)`
517			`{`
518			`return getWritableTile(tileX, tileY);`
519			`}`
520
521			`public int getTileGridXOffset()`
522			`{`
523			`return 0; // according to javadocs`
524			`}`
525
526			`public int getTileGridYOffset()`
527			`{`
528			`return 0; // according to javadocs`
529			`}`
530
531			`public int getTileHeight()`
532			`{`
533			`return getHeight(); // image is one big tile`
534			`}`
535
536			`public int getTileWidth()`
537			`{`
538			`return getWidth(); // image is one big tile`
539			`}`
540
541			`public int getType()`
542			`{`
543			`return type;`
544			`}`
545
546			`public int getWidth()`
547			`{`
548			`return raster.getWidth();`
549			`}`
550
551			`public int getWidth(ImageObserver imageobserver)`
552			`{`
553			`return getWidth();`
554			`}`
555
556			`public WritableRaster getWritableTile(int tileX, int tileY)`
557			`{`
558			`isTileWritable(tileX, tileY); // for exception`
559			`return raster;`
560			`}`
561
562			`private static final Point[] tileIndices = { new Point() };`
563
564			`public Point[] getWritableTileIndices()`
565			`{`
566			`return tileIndices;`
567			`}`
568
569			`public boolean hasTileWriters()`
570			`{`
571			`return true;`
572			`}`
573
574			`public boolean isAlphaPremultiplied()`
575			`{`
576			`return isPremultiplied;`
577			`}`
578
579			`public boolean isTileWritable(int tileX, int tileY)`
580			`{`
581			`if ((tileX != 0) \|\| (tileY != 0))`
582			`throw new ArrayIndexOutOfBoundsException("only tile is (0,0)");`
583			`return true;`
584			`}`
585
586			`public void releaseWritableTile(int tileX, int tileY)`
587			`{`
588			`isTileWritable(tileX, tileY); // for exception`
589			`}`
590
591			`//public void removeTileObserver(TileObserver tileobserver) {}`
592
593			`public void setData(Raster src)`
594			`{`
595			`int x = src.getMinX();`
596			`int y = src.getMinY();`
597			`int w = src.getWidth();`
598			`int h = src.getHeight();`
599
600			`// create a dest child that has the right bounds...`
601			`WritableRaster dest =`
602			`raster.createWritableChild(x, y, w, h, x, y,`
603			`null // same bands`
604			`);`
605
606			`if (src.getSampleModel () instanceof ComponentSampleModel`
607			`&& dest.getSampleModel () instanceof ComponentSampleModel)`
608
609			`// Refer to ComponentDataBlitOp for optimized data blitting:`
610			`ComponentDataBlitOp.INSTANCE.filter(src, dest);`
611			`else`
612			`{`
613			`// slower path`
614			`int samples[] = src.getPixels (x, y, w, h, (int [])null);`
615			`dest.setPixels (x, y, w, h, samples);`
616			`}`
617			`}`
618
619			`public void setRGB(int x, int y, int argb)`
620			`{`
621			`Object rgbElem = colorModel.getDataElements(argb, null);`
622			`raster.setDataElements(x, y, rgbElem);`
623			`}`
624
625			`public void setRGB(int startX, int startY, int w, int h,`
626			`int[] argbArray, int offset, int scanlineStride)`
627			`{`
628			`int endX = startX + w;`
629			`int endY = startY + h;`
630
631			`Object rgbElem = null;`
632			`for (int y=startY; y<endY; y++)`
633			`{`
634			`int xoffset = offset;`
635			`for (int x=startX; x<endX; x++)`
636			`{`
637			`int argb = argbArray[xoffset++];`
638			`rgbElem = colorModel.getDataElements(argb, rgbElem);`
639			`raster.setDataElements(x, y, rgbElem);`
640			`}`
641			`offset += scanlineStride;`
642			`}`
643			`}`
644
645			`public String toString()`
646			`{`
647			`StringBuffer buf;`
648
649			`buf = new StringBuffer(/* estimated length */ 120);`
650			`buf.append("BufferedImage@");`
651			`buf.append(Integer.toHexString(hashCode()));`
652			`buf.append(": type=");`
653			`buf.append(type);`
654			`buf.append(' ');`
655			`buf.append(colorModel);`
656			`buf.append(' ');`
657			`buf.append(raster);`
658
659			`return buf.toString();`
660			`}`
661
662
663			`/**`
664			`* Adds a tile observer. If the observer is already present, it receives`
665			`* multiple notifications.`
666			`*`
667			`* @param to The TileObserver to add.`
668			`*/`
669			`public void addTileObserver (TileObserver to)`
670			`{`
671			`if (observers == null)`
672			`observers = new Vector ();`
673
674			`observers.add (to);`
675			`}`
676
677			`/**`
678			`* Removes a tile observer. If the observer was not registered,`
679			`* nothing happens. If the observer was registered for multiple`
680			`* notifications, it is now registered for one fewer notification.`
681			`*`
682			`* @param to The TileObserver to remove.`
683			`*/`
684			`public void removeTileObserver (TileObserver to)`
685			`{`
686			`if (observers == null)`
687			`return;`
688
689			`observers.remove (to);`
690			`}`
691
692			`/**`
693			`* Return the transparency type.`
694			`*`
695			`* @return One of {@link #OPAQUE}, {@link #BITMASK}, or {@link #TRANSLUCENT}.`
696			`* @see Transparency#getTransparency()`
697			`* @since 1.5`
698			`*/`
699			`public int getTransparency()`
700			`{`
701			`return colorModel.getTransparency();`
702			`}`
703			`}`