diff options
author | Kenneth Russel <[email protected]> | 2006-01-13 07:29:23 +0000 |
---|---|---|
committer | Kenneth Russel <[email protected]> | 2006-01-13 07:29:23 +0000 |
commit | 16e23f079b1e5fdc15b64bf1593cbda8e8dcffc0 (patch) | |
tree | 8cf430f395f2a2691d152c9a61ca212d7a6c1f55 /src/classes/com/sun/opengl/util/ImageUtil.java | |
parent | 688ffdc8cc190c51c3e7355a4893e3e475efa29f (diff) |
Renamed com.sun.opengl.utils to com.sun.opengl.util. Moved
TextureIO-related classes to com.sun.opengl.util.texture and
TextureProvider, TextureWriter and format-specific readers to
com.sun.opengl.util.texture.spi. Renamed BufferUtils to BufferUtil.
Added ImageUtil and FileUtil. Cleaned up javadoc. Updated demos.
Cleaned up some imports.
git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/svn-server-sync/jogl/trunk@538 232f8b59-042b-4e1e-8c03-345bb8c30851
Diffstat (limited to 'src/classes/com/sun/opengl/util/ImageUtil.java')
-rwxr-xr-x | src/classes/com/sun/opengl/util/ImageUtil.java | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/src/classes/com/sun/opengl/util/ImageUtil.java b/src/classes/com/sun/opengl/util/ImageUtil.java new file mode 100755 index 000000000..1ce77fecf --- /dev/null +++ b/src/classes/com/sun/opengl/util/ImageUtil.java @@ -0,0 +1,64 @@ +/* + * Copyright (c) 2005 Sun Microsystems, Inc. All Rights Reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * - Redistribution of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistribution in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * Neither the name of Sun Microsystems, Inc. or the names of + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * This software is provided "AS IS," without a warranty of any kind. ALL + * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, + * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN + * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR + * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR + * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR + * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR + * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE + * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, + * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF + * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. + * + * You acknowledge that this software is not designed or intended for use + * in the design, construction, operation or maintenance of any nuclear + * facility. + * + * Sun gratefully acknowledges that this software was originally authored + * and developed by Kenneth Bradley Russell and Christopher John Kline. + */ + +package com.sun.opengl.util; + +import java.awt.image.*; + +/** Utilities for dealing with images. */ + +public class ImageUtil { + private ImageUtil() {} + + /** Flips the supplied BufferedImage vertically. This is often a + necessary conversion step to display a Java2D image correctly + with OpenGL and vice versa. */ + public static void flipImageVertically(BufferedImage image) { + WritableRaster raster = image.getRaster(); + Object scanline1 = null; + Object scanline2 = null; + + for (int i = 0; i < image.getHeight() / 2; i++) { + scanline1 = raster.getDataElements(0, i, image.getWidth(), 1, scanline1); + scanline2 = raster.getDataElements(0, image.getHeight() - i - 1, image.getWidth(), 1, scanline2); + raster.setDataElements(0, i, image.getWidth(), 1, scanline2); + raster.setDataElements(0, image.getHeight() - i - 1, image.getWidth(), 1, scanline1); + } + } +} |