2004-04-20 Sascha Brawer <brawer@dandelis.ch>

	* java/awt/image/DataBufferShort.java,
	java/awt/image/DataBufferFloat.java,
	java/awt/image/DataBufferDouble.java,
	java/awt/image/PixelInterleavedSampleModel.java: New files.
	* gnu/java/awt/Buffers.java (createBuffer, createBufferFromData,
	getData): Added support	for TYPE_SHORT, TYPE_FLOAT and TYPE_DOUBLE.

2004-04-20  Michael Koch  <konqueror@gmx.de>

	* Makefile.am (java_source_files): Added
	java/awt/image/DataBufferDouble.java,
	java/awt/image/DataBufferFloat.java,
	java/awt/image/DataBufferShort.java and
	java/awt/image/PixelInterleavedSampleModel.java.
	* Makefile.in: Regenerated.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@80886 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 98 insertions, 0 deletions

diff --git a/libjava/java/awt/image/PixelInterleavedSampleModel.java b/libjava/java/awt/image/PixelInterleavedSampleModel.java
new file mode 100644
index 00000000000..d17a68d9ae3
--- /dev/null
+++ b/libjava/java/awt/image/PixelInterleavedSampleModel.java
@@ -0,0 +1,98 @@
+/* PixelInterleavedSampleModel.java
+   Copyright (C) 2004 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 java.awt.image;
+
+
+/**
+ * A <code>SampleModel</code> that uses exactly one element of the
+ * raster&#x2019;s {@link DataBuffer} per pixel, holds all bands in a
+ * single bank, and stores band data in pixel-interleaved manner.
+ *
+ * @since 1.2
+ *
+ * @author <a href="mailto:brawer@dandelis.ch">Sascha Brawer</a>
+ */
+public class PixelInterleavedSampleModel
+  extends ComponentSampleModel
+{
+  public PixelInterleavedSampleModel(int dataType, int width, int height,
+                                     int pixelStride, int scanlineStride,
+                                     int[] bandOffsets)
+  {
+    super(dataType, width, height, pixelStride, scanlineStride,
+          bandOffsets);
+  }
+
+  
+  /**
+   * Creates a new <code>SampleModel</code> that is like this one, but
+   * uses the specified width and height.
+   *
+   * @param width the number of pixels in the horizontal direction.
+   *
+   * @param height the number of pixels in the vertical direction.
+   */
+  public SampleModel createCompatibleSampleModel(int width, int height)
+  {
+    return new PixelInterleavedSampleModel(dataType, width, height,
+                                           pixelStride, scanlineStride,
+                                           bandOffsets);
+  }
+
+
+  /**
+   * Creates a new <code>SampleModel</code> that is like this one, but
+   * uses only a subset of its bands.
+   *
+   * @param bands an array whose elements indicate which bands shall
+   * be part of the subset. For example, <code>[0, 2, 3]</code> would
+   * create a SampleModel containing bands #0, #2 and #3.
+   */
+  public SampleModel createSubsetSampleModel(int[] bands)
+  {
+    int[] subOffsets;
+
+    subOffsets = new int[bands.length];
+    for (int i = 0; i < bands.length; i++)
+      subOffsets[i] = bandOffsets[bands[i]];
+
+    return new PixelInterleavedSampleModel(dataType, width, height,
+                                           pixelStride, scanlineStride,
+                                           subOffsets);
+  }
+}