diff dwt/internal/image/JPEGFixedSizeSegment.d @ 13:3d9bbe0a83a0

FileFormats
author Frank Benoit <benoit@tionex.de>
date Sun, 06 Jan 2008 22:54:14 +0100
parents
children 8cec8f536af3
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dwt/internal/image/JPEGFixedSizeSegment.d	Sun Jan 06 22:54:14 2008 +0100
@@ -0,0 +1,49 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2003 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
+ *******************************************************************************/
+module dwt.internal.image.JPEGFixedSizeSegment;
+
+
+import dwt.SWT;
+import dwt.internal.image.JPEGSegment;
+import dwt.internal.image.LEDataInputStream;
+
+import tango.core.Exception;
+
+
+abstract class JPEGFixedSizeSegment : JPEGSegment {
+
+	public this() {
+		reference = new byte[fixedSize()];
+		setSegmentMarker(signature());
+	}
+
+	public this(byte[] reference) {
+		super(reference);
+	}
+
+	public this(LEDataInputStream byteStream) {
+		reference = new byte[fixedSize()];
+		try {
+			byteStream.read(reference);
+		} catch (TracedException e) {
+			SWT.error(SWT.ERROR_IO, e);
+		}
+	}
+
+	abstract public int fixedSize();
+
+	public int getSegmentLength() {
+		return fixedSize() - 2;
+	}
+
+	public void setSegmentLength(int length) {
+	}
+}