93 lines
2.1 KiB
C#
93 lines
2.1 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2013 The OpenRA Developers (see AUTHORS)
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation. For more information,
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* see COPYING.
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*/
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#endregion
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using System.Collections;
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using System.Collections.Generic;
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using System.Drawing;
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using System.IO;
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namespace OpenRA.FileFormats
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{
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public class R8Image
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{
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public readonly Size Size;
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public readonly int2 Offset;
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public readonly byte[] Image;
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// Legacy variable. Can be removed when the utility command is made sensible.
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public readonly Size FrameSize;
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public R8Image(Stream s)
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{
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// Scan forward until we find some data
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var type = s.ReadUInt8();
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while (type == 0)
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type = s.ReadUInt8();
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var width = s.ReadInt32();
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var height = s.ReadInt32();
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var x = s.ReadInt32();
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var y = s.ReadInt32();
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Size = new Size(width, height);
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Offset = new int2(width/2 - x, height/2 - y);
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/*var imageOffset = */s.ReadInt32();
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var paletteOffset = s.ReadInt32();
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var bpp = s.ReadUInt8();
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if (bpp != 8)
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throw new InvalidDataException("Error: {0} bits per pixel are not supported.".F(bpp));
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var frameHeight = s.ReadUInt8();
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var frameWidth = s.ReadUInt8();
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FrameSize = new Size(frameWidth, frameHeight);
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// Skip alignment byte
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s.ReadUInt8();
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Image = s.ReadBytes(width*height);
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// Ignore palette
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if (type == 1 && paletteOffset != 0)
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s.Seek(520, SeekOrigin.Current);
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}
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}
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public class R8Reader : IEnumerable<R8Image>
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{
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readonly List<R8Image> headers = new List<R8Image>();
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public readonly int Frames;
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public R8Reader(Stream stream)
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{
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while (stream.Position < stream.Length)
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{
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headers.Add(new R8Image(stream));
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Frames++;
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}
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}
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public R8Image this[int index]
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{
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get { return headers[index]; }
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}
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public IEnumerator<R8Image> GetEnumerator()
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{
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return headers.GetEnumerator();
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}
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IEnumerator IEnumerable.GetEnumerator()
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{
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return GetEnumerator();
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}
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}
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}
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