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