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Diffstat (limited to 'src/javax/media/j3d/J3DBuffer.java')
| -rw-r--r-- | src/javax/media/j3d/J3DBuffer.java | 220 |
1 files changed, 0 insertions, 220 deletions
diff --git a/src/javax/media/j3d/J3DBuffer.java b/src/javax/media/j3d/J3DBuffer.java deleted file mode 100644 index 2cacf8a..0000000 --- a/src/javax/media/j3d/J3DBuffer.java +++ /dev/null @@ -1,220 +0,0 @@ -/* - * Copyright 2001-2008 Sun Microsystems, Inc. All Rights Reserved. - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * This code is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 only, as - * published by the Free Software Foundation. Sun designates this - * particular file as subject to the "Classpath" exception as provided - * by Sun in the LICENSE file that accompanied this code. - * - * This code 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 - * version 2 for more details (a copy is included in the LICENSE file that - * accompanied this code). - * - * You should have received a copy of the GNU General Public License version - * 2 along with this work; if not, write to the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, - * CA 95054 USA or visit www.sun.com if you need additional information or - * have any questions. - * - */ - -package javax.media.j3d; - -import java.nio.Buffer; -import java.nio.ByteBuffer; -import java.nio.ByteOrder; -import java.nio.CharBuffer; -import java.nio.DoubleBuffer; -import java.nio.FloatBuffer; -import java.nio.IntBuffer; -import java.nio.LongBuffer; -import java.nio.ShortBuffer; - -/** - * Java 3D wrapper class for java.nio.Buffer objects. - * When used to wrap a non-null NIO buffer object, this class will - * create a read-only view of the wrapped NIO buffer, and will call - * <code>rewind</code> on the read-only view, so that elements 0 - * through <code>buffer.limit()-1</code> will be available internally. - * - * @see GeometryArray#setCoordRefBuffer(J3DBuffer) - * @see GeometryArray#setColorRefBuffer(J3DBuffer) - * @see GeometryArray#setNormalRefBuffer(J3DBuffer) - * @see GeometryArray#setTexCoordRefBuffer(int,J3DBuffer) - * @see GeometryArray#setVertexAttrRefBuffer(int,J3DBuffer) - * @see GeometryArray#setInterleavedVertexBuffer(J3DBuffer) - * @see CompressedGeometry#CompressedGeometry(CompressedGeometryHeader,J3DBuffer) - * - * @since Java 3D 1.3 - */ - -public class J3DBuffer { - -enum Type { - NULL, - UNKNOWN, - BYTE, - CHAR, - SHORT, - INT, - LONG, - FLOAT, - DOUBLE, -} - - private Buffer originalBuffer = null; - private Buffer readonlyBuffer = null; - Type bufferType = Type.NULL; - - /** - * Constructs a J3DBuffer object and initializes it with - * a null NIO buffer object. The NIO buffer object - * must be set to a non-null value before using this J3DBuffer - * object in a Java 3D node component. - * - * @exception UnsupportedOperationException if the JVM does not - * support native access to direct NIO buffers - */ - public J3DBuffer() { - this(null); - } - - - /** - * Constructs a J3DBuffer object and initializes it with - * the specified NIO buffer object. - * - * @param buffer the NIO buffer wrapped by this J3DBuffer - * - * @exception UnsupportedOperationException if the JVM does not - * support native access to direct NIO buffers - * - * @exception IllegalArgumentException if the specified buffer is - * not a direct buffer, or if the byte order of the specified - * buffer does not match the native byte order of the underlying - * platform. - */ - public J3DBuffer(Buffer buffer) { - setBuffer(buffer); - } - - - /** - * Sets the NIO buffer object in this J3DBuffer to - * the specified object. - * - * @param buffer the NIO buffer wrapped by this J3DBuffer - * - * @exception IllegalArgumentException if the specified buffer is - * not a direct buffer, or if the byte order of the specified - * buffer does not match the native byte order of the underlying - * platform. - */ - public void setBuffer(Buffer buffer) { - Type bType = Type.NULL; - boolean direct = false; - ByteOrder order = ByteOrder.BIG_ENDIAN; - - if (buffer == null) { - bType = Type.NULL; - } - else if (buffer instanceof ByteBuffer) { - bType = Type.BYTE; - direct = ((ByteBuffer)buffer).isDirect(); - order = ((ByteBuffer)buffer).order(); - } - else if (buffer instanceof CharBuffer) { - bType = Type.CHAR; - direct = ((CharBuffer)buffer).isDirect(); - order = ((CharBuffer)buffer).order(); - } - else if (buffer instanceof ShortBuffer) { - bType = Type.SHORT; - direct = ((ShortBuffer)buffer).isDirect(); - order = ((ShortBuffer)buffer).order(); - } - else if (buffer instanceof IntBuffer) { - bType = Type.INT; - direct = ((IntBuffer)buffer).isDirect(); - order = ((IntBuffer)buffer).order(); - } - else if (buffer instanceof LongBuffer) { - bType = Type.LONG; - direct = ((LongBuffer)buffer).isDirect(); - order = ((LongBuffer)buffer).order(); - } - else if (buffer instanceof FloatBuffer) { - bType = Type.FLOAT; - direct = ((FloatBuffer)buffer).isDirect(); - order = ((FloatBuffer)buffer).order(); - } - else if (buffer instanceof DoubleBuffer) { - bType = Type.DOUBLE; - direct = ((DoubleBuffer)buffer).isDirect(); - order = ((DoubleBuffer)buffer).order(); - } - else { - bType = Type.UNKNOWN; - } - - // Verify that the buffer is direct and has the correct byte order - if (buffer != null) { - if (!direct) { - throw new IllegalArgumentException(J3dI18N.getString("J3DBuffer1")); - } - - if (order != ByteOrder.nativeOrder()) { - throw new IllegalArgumentException(J3dI18N.getString("J3DBuffer2")); - } - } - - bufferType = bType; - originalBuffer = buffer; - - // Make a read-only view of the buffer if the type is one - // of the internally supported types: byte, float, or double - switch (bufferType) { - case BYTE: - ByteBuffer byteBuffer = ((ByteBuffer)buffer).asReadOnlyBuffer(); - byteBuffer.rewind(); - readonlyBuffer = byteBuffer; - break; - case FLOAT: - FloatBuffer floatBuffer = ((FloatBuffer)buffer).asReadOnlyBuffer(); - floatBuffer.rewind(); - readonlyBuffer = floatBuffer; - break; - case DOUBLE: - DoubleBuffer doubleBuffer = ((DoubleBuffer)buffer).asReadOnlyBuffer(); - doubleBuffer.rewind(); - readonlyBuffer = doubleBuffer; - break; - default: - readonlyBuffer = null; - } - } - - - /** - * Retrieves the NIO buffer object from this J3DBuffer. - * - * @return the current NIO buffer wrapped by this J3DBuffer - */ - public Buffer getBuffer() { - return originalBuffer; - } - -/** - * Gets the readonly view of the nio buffer we wrapped with J3DBuffer - * @return - */ -Buffer getROBuffer() { - return readonlyBuffer; -} -} |