diff options
Diffstat (limited to 'src/jogl/classes/com/sun')
| -rw-r--r-- | src/jogl/classes/com/sun/opengl/util/texture/spi/NetPbmTextureWriter.java | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/src/jogl/classes/com/sun/opengl/util/texture/spi/NetPbmTextureWriter.java b/src/jogl/classes/com/sun/opengl/util/texture/spi/NetPbmTextureWriter.java new file mode 100644 index 000000000..f771e0a3d --- /dev/null +++ b/src/jogl/classes/com/sun/opengl/util/texture/spi/NetPbmTextureWriter.java @@ -0,0 +1,161 @@ +/* + * 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.texture.spi; + +import java.io.*; +import java.net.*; +import java.nio.*; + +import javax.media.opengl.*; +import com.sun.opengl.util.*; +import com.sun.opengl.util.texture.*; +import com.sun.opengl.util.texture.spi.*; + +public class NetPbmTextureWriter implements TextureWriter { + int magic; + + public NetPbmTextureWriter() { + this(0); // auto + } + + /** + * supported magic values are:<br> + * <pre> + * magic 0 - auto + * magic 6 - PPM binary RGB + * magic 7 - PAM binary RGB or RGBA + * </pre> + */ + public NetPbmTextureWriter(int magic) { + switch(magic) { + case 0: + case 6: + case 7: + break; + default: + throw new GLException("Unsupported magic: "+magic+", should be 0 (auto), 6 (PPM) or 7 (PAM)"); + } + this.magic = magic; + } + + public int getMagic() { return magic; } + + public static String getPPMSuffix() { return "ppm"; } + public static String getPAMSuffix() { return "pam"; } + + public String getSuffix() { return (magic==6)?getPPMSuffix():getPAMSuffix(); } + + public boolean write(File file, + TextureData data) throws IOException { + int pixelFormat = data.getPixelFormat(); + int pixelType = data.getPixelType(); + if ((pixelFormat == GL.GL_RGB || + pixelFormat == GL.GL_RGBA) && + (pixelType == GL.GL_BYTE || + pixelType == GL.GL_UNSIGNED_BYTE)) { + + int comps = ( pixelFormat == GL.GL_RGBA ) ? 4 : 3 ; + + if(0==magic) { + magic = ( comps == 4 ) ? 7 : 6 ; + } + + if(magic==6 && comps==4) { + throw new IOException("NetPbmTextureWriter magic 6 (PPM) doesn't RGBA pixel format, use magic 7 (PAM)"); + } + + FileOutputStream fos = new FileOutputStream(file); + + StringBuffer header = new StringBuffer(); + header.append("P"); + header.append(magic); + header.append("\n"); + if(7==magic) { + header.append("WIDTH "); + } + header.append(data.getWidth()); + if(7==magic) { + header.append("\nHEIGHT "); + } else { + header.append(" "); + } + header.append(data.getHeight()); + if(7==magic) { + header.append("\nDEPTH "); + header.append(comps); + header.append("\nMAXVAL 255\nTUPLTYPE "); + if(pixelFormat == GL.GL_RGBA) { + header.append("RGB_ALPHA"); + } else { + header.append("RGB"); + } + header.append("\nENDHDR\n"); + } else { + header.append("\n255\n"); + } + + fos.write(header.toString().getBytes()); + + ByteBuffer buf = (ByteBuffer) data.getBuffer(); + if (buf == null) { + buf = (ByteBuffer) data.getMipmapData()[0]; + } + buf.rewind(); + + byte[] bufArray = null; + + try { + bufArray = buf.array(); + } catch (Throwable t) {} + if(null==bufArray) { + bufArray = new byte[data.getWidth()*data.getHeight()*comps]; + buf.get(bufArray); + buf.rewind(); + } + + fos.write(bufArray); + fos.close(); + + return true; + } + + throw new IOException("NetPbmTextureWriter writer doesn't support this pixel format / type (only GL_RGB/A + bytes)"); + } +} |