--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dwt/internal/image/TIFFFileFormat.d	Sun Jan 06 22:54:14 2008 +0100
@@ -0,0 +1,83 @@
+/*******************************************************************************
+ * 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
+ *******************************************************************************/
+module dwt.internal.image.TIFFFileFormat;
+
+import dwt.internal.image.TIFFRandomFileAccess;
+import dwt.internal.image.TIFFDirectory;
+import dwt.SWT;
+import dwt.graphics.ImageData;
+import dwt.graphics.ImageLoader;
+import dwt.internal.image.FileFormat;
+
+import tango.core.Exception;
+
+/**
+ * Baseline TIFF decoder revision 6.0
+ * Extension T4-encoding CCITT T.4 1D
+ */
+final class TIFFFileFormat : FileFormat {
+
+bool isFileFormat(LEDataInputStream stream) {
+	try {
+		byte[] header = new byte[4];
+		stream.read(header);
+		stream.unread(header);
+		if (header[0] != header[1]) return false;
+		if (!(header[0] == 0x49 && header[2] == 42 && header[3] == 0) &&
+			!(header[0] == 0x4d && header[2] == 0 && header[3] == 42)) {
+			return false;
+		}
+		return true;
+	} catch (TracedException e) {
+		return false;
+	}
+}
+
+ImageData[] loadFromByteStream() {
+	byte[] header = new byte[8];
+	bool isLittleEndian;
+	ImageData[] images = new ImageData[0];
+	TIFFRandomFileAccess file = new TIFFRandomFileAccess(inputStream);
+	try {
+		file.read(header);
+		if (header[0] != header[1]) SWT.error(SWT.ERROR_INVALID_IMAGE);
+		if (!(header[0] == 0x49 && header[2] == 42 && header[3] == 0) &&
+			!(header[0] == 0x4d && header[2] == 0 && header[3] == 42)) {
+			SWT.error(SWT.ERROR_INVALID_IMAGE);
+		}
+		isLittleEndian = header[0] == 0x49;
+		int offset = isLittleEndian ?
+			(header[4] & 0xFF) | ((header[5] & 0xFF) << 8) | ((header[6] & 0xFF) << 16) | ((header[7] & 0xFF) << 24) :
+			(header[7] & 0xFF) | ((header[6] & 0xFF) << 8) | ((header[5] & 0xFF) << 16) | ((header[4] & 0xFF) << 24);
+		file.seek(offset);
+		TIFFDirectory directory = new TIFFDirectory(file, isLittleEndian, loader);
+		ImageData image = directory.read();
+		/* A baseline reader is only expected to read the first directory */
+		images = [image];
+	} catch (IOException e) {
+		SWT.error(SWT.ERROR_IO, e);
+	}
+	return images;
+}
+
+void unloadIntoByteStream(ImageLoader loader) {
+	/* We do not currently support writing multi-page tiff,
+	 * so we use the first image data in the loader's array. */
+	ImageData image = loader.data[0];
+	TIFFDirectory directory = new TIFFDirectory(image);
+	try {
+		directory.writeToStream(outputStream);
+	} catch (IOException e) {
+		SWT.error(SWT.ERROR_IO, e);
+	}
+}
+
+}