Mercurial > projects > dwt-linux
diff dwt/internal/image/JPEGFixedSizeSegment.d @ 13:3d9bbe0a83a0
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author | Frank Benoit <benoit@tionex.de> |
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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) { + } +}