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Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/common/org/eclipse/swt/internal/image/TIFFRandomFileAccess.java')
-rw-r--r--bundles/org.eclipse.swt/Eclipse SWT/common/org/eclipse/swt/internal/image/TIFFRandomFileAccess.java96
1 files changed, 0 insertions, 96 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/common/org/eclipse/swt/internal/image/TIFFRandomFileAccess.java b/bundles/org.eclipse.swt/Eclipse SWT/common/org/eclipse/swt/internal/image/TIFFRandomFileAccess.java
deleted file mode 100644
index 8cc7e390f3..0000000000
--- a/bundles/org.eclipse.swt/Eclipse SWT/common/org/eclipse/swt/internal/image/TIFFRandomFileAccess.java
+++ /dev/null
@@ -1,96 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2000, 2005 IBM Corporation and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- * IBM Corporation - initial API and implementation
- *******************************************************************************/
-package org.eclipse.swt.internal.image;
-
-import java.io.*;
-
-final class TIFFRandomFileAccess {
-
- LEDataInputStream inputStream;
- int start, current, next;
- byte[][] buffers;
-
- static final int CHUNK_SIZE = 8192;
- static final int LIST_SIZE = 128;
-
-public TIFFRandomFileAccess(LEDataInputStream stream) {
- inputStream = stream;
- start = current = next = inputStream.getPosition();
- buffers = new byte[LIST_SIZE][];
-}
-
-void seek(int pos) throws IOException {
- if (pos == current) return;
- if (pos < start) throw new IOException();
- current = pos;
- if (current > next) {
- int n = current - next;
- /* store required bytes */
- int index = next / CHUNK_SIZE;
- int offset = next % CHUNK_SIZE;
- while (n > 0) {
- if (index >= buffers.length) {
- byte[][] oldBuffers = buffers;
- buffers = new byte[Math.max(index + 1, oldBuffers.length + LIST_SIZE)][];
- System.arraycopy(oldBuffers, 0, buffers, 0, oldBuffers.length);
- }
- if (buffers[index] == null) buffers[index] = new byte[CHUNK_SIZE];
- int cnt = inputStream.read(buffers[index], offset, Math.min(n, CHUNK_SIZE - offset));
- n -= cnt;
- next += cnt;
- index++;
- offset = 0;
- }
- }
-}
-
-void read(byte b[]) throws IOException {
- int size = b.length;
- int nCached = Math.min(size, next - current);
- int nMissing = size - next + current;
- int destNext = 0;
- if (nCached > 0) {
- /* Get cached bytes */
- int index = current / CHUNK_SIZE;
- int offset = current % CHUNK_SIZE;
- while (nCached > 0) {
- int cnt = Math.min(nCached, CHUNK_SIZE - offset);
- System.arraycopy(buffers[index], offset, b, destNext, cnt);
- nCached -= cnt;
- destNext += cnt;
- index++;
- offset = 0;
- }
- }
- if (nMissing > 0) {
- /* Read required bytes */
- int index = next / CHUNK_SIZE;
- int offset = next % CHUNK_SIZE;
- while (nMissing > 0) {
- if (index >= buffers.length) {
- byte[][] oldBuffers = buffers;
- buffers = new byte[Math.max(index, oldBuffers.length + LIST_SIZE)][];
- System.arraycopy(oldBuffers, 0, buffers, 0, oldBuffers.length);
- }
- if (buffers[index] == null) buffers[index] = new byte[CHUNK_SIZE];
- int cnt = inputStream.read(buffers[index], offset, Math.min(nMissing, CHUNK_SIZE - offset));
- System.arraycopy(buffers[index], offset, b, destNext, cnt);
- nMissing -= cnt;
- next += cnt;
- destNext += cnt;
- index++;
- offset = 0;
- }
- }
- current += size;
-}
-
-}

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