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//
// System.Drawing.Imaging.MetaHeader.cs
//
// Authors:
// Everaldo Canuto (everaldo.canuto@bol.com.br)
// Andreas Nahr (ClassDevelopment@A-SoftTech.com)
// Dennis Hayes (dennish@raytek.com)
// Sebastien Pouliot <sebastien@ximian.com>
//
// (C) 2002 Ximian, Inc. http://www.ximian.com
// Copyright (C) 2004, 2006-2007 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System.Runtime.InteropServices;
namespace System.Drawing.Imaging {
[StructLayout (LayoutKind.Sequential, Pack=2)]
internal struct WmfMetaHeader {
// field order match: http://wvware.sourceforge.net/caolan/ora-wmf.html
// for WMFHEAD structure
public short file_type;
public short header_size;
public short version;
// this is unaligned and fails on the SPARC architecture (see bug #81254 for details)
// public int file_size;
public ushort file_size_low;
public ushort file_size_high;
public short num_of_objects;
public int max_record_size;
public short num_of_params;
}
[StructLayout (LayoutKind.Sequential)]
public sealed class MetaHeader {
private WmfMetaHeader wmf;
public MetaHeader ()
{
}
internal MetaHeader (WmfMetaHeader header)
{
wmf.file_type = header.file_type;
wmf.header_size = header.header_size;
wmf.version = header.version;
wmf.file_size_low = header.file_size_low;
wmf.file_size_high = header.file_size_high;
wmf.num_of_objects = header.num_of_objects;
wmf.max_record_size = header.max_record_size;
wmf.num_of_params = header.num_of_params;
}
public short HeaderSize {
get { return wmf.header_size; }
set { wmf.header_size = value; }
}
public int MaxRecord {
get { return wmf.max_record_size; }
set { wmf.max_record_size = value; }
}
public short NoObjects {
get { return wmf.num_of_objects; }
set { wmf.num_of_objects = value; }
}
public short NoParameters {
get { return wmf.num_of_params; }
set { wmf.num_of_params = value; }
}
public int Size {
get {
if (BitConverter.IsLittleEndian)
return (wmf.file_size_high << 16) | wmf.file_size_low;
else
return (wmf.file_size_low << 16) | wmf.file_size_high;
}
set {
if (BitConverter.IsLittleEndian) {
wmf.file_size_high = (ushort)(value >> 16);
wmf.file_size_low = (ushort)value;
} else {
wmf.file_size_high = (ushort)value;
wmf.file_size_low = (ushort)(value >> 16);
}
}
}
public short Type {
get { return wmf.file_type; }
set { wmf.file_type = value; }
}
public short Version {
get { return wmf.version; }
set { wmf.version = value; }
}
}
}
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