git-svn-id: svn://svn.ijw.co.nz/svn/OpenRa@1057 993157c7-ee19-0410-b2c4-bb4e9862e678

2007-06-21 03:20:47 +00:00
parent 765c0ac067
commit 3b1a1e3938
8 changed files with 409 additions and 6 deletions
--- a/ImageDecode/Format40.cs
+++ b/ImageDecode/Format40.cs
@@ -0,0 +1,98 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.IO;
+
+namespace ImageDecode
+{
+	public static class Format40
+	{
+		static byte ReadByte( MemoryStream input )
+		{
+			int inp = input.ReadByte();
+			if( inp == -1 )
+				throw new InvalidDataException();
+
+			return (byte)inp;
+		}
+
+		static int ReadWord( MemoryStream input )
+		{
+			int inp = ReadByte( input );
+			return inp + ( ReadByte( input ) << 8 );
+		}
+
+		//static void ReplicatePrevious( byte[] dest, int destIndex, int srcIndex, int count )
+		//{
+		//      for( int i = 0 ; i < Math.Min( count, destIndex - srcIndex ) ; i++ )
+		//            dest[ destIndex + i ] = dest[ srcIndex + i ];
+
+		//      if( srcIndex + count <= destIndex )
+		//            return;
+
+		//      for( int i = destIndex + destIndex - srcIndex ; i < destIndex + count ; i++ )
+		//            dest[ i ] = dest[ destIndex - 1 ];
+		//}
+
+		public static int DecodeInto( MemoryStream input, byte[] dest )
+		{
+			int destIndex = 0;
+			while( true )
+			{
+				byte i = ReadByte( input );
+				if( ( i & 0x80 ) == 0 )
+				{
+					int count = i & 0x7F;
+					if( count == 0 )
+					{
+						// case 6
+						count = ReadByte( input );
+						byte value = ReadByte( input );
+						for( int end = destIndex + count ; destIndex < end ; destIndex++ )
+							dest[ destIndex ] ^= value;
+					}
+					else
+					{
+						// case 5
+						for( int end = destIndex + count ; destIndex < end ; destIndex++ )
+							dest[ destIndex ] ^= ReadByte( input );
+					}
+				}
+				else
+				{
+					int count = i & 0x7F;
+					if( count == 0 )
+					{
+						count = ReadWord( input );
+						if( count == 0 )
+							return destIndex;
+
+						if( ( count & 0x8000 ) == 0 )
+						{
+							// case 2
+							destIndex += ( count & 0x7FFF );
+						}
+						else if( ( count & 0x4000 ) == 0 )
+						{
+							// case 3
+							for( int end = destIndex + ( count & 0x3FFF ) ; destIndex < end ; destIndex++ )
+								dest[ destIndex ] ^= ReadByte( input );
+						}
+						else
+						{
+							// case 4
+							byte value = ReadByte( input );
+							for( int end = destIndex + ( count & 0x3FFF ) ; destIndex < end ; destIndex++ )
+								dest[ destIndex ] ^= value;
+						}
+					}
+					else
+					{
+						// case 1
+						destIndex += count;
+					}
+				}
+			}
+		}
+	}
+}
--- a/ImageDecode/Format80.cs
+++ b/ImageDecode/Format80.cs
@@ -0,0 +1,104 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.IO;
+
+namespace ImageDecode
+{
+	public static class Format80
+	{
+		static byte ReadByte( MemoryStream input )
+		{
+			int inp = input.ReadByte();
+			if( inp == -1 )
+				throw new InvalidDataException();
+
+			return (byte)inp;
+		}
+
+		static int ReadWord( MemoryStream input )
+		{
+			int inp = ReadByte( input );
+			return inp + ( ReadByte( input ) << 8 );
+		}
+
+		static void ReplicatePrevious( byte[] dest, int destIndex, int srcIndex, int count )
+		{
+			if( srcIndex >= destIndex )
+				throw new NotImplementedException( string.Format( "srcIndex >= destIndex  {0}  {1}", srcIndex, destIndex ) );
+
+			for( int i = 0 ; i < Math.Min( count, destIndex - srcIndex ) ; i++ )
+				dest[ destIndex + i ] = dest[ srcIndex + i ];
+
+			if( srcIndex + count <= destIndex )
+				return;
+
+			for( int i = destIndex + destIndex - srcIndex ; i < destIndex + count ; i++ )
+				dest[ i ] = dest[ destIndex - 1 ];
+		}
+
+		public static int DecodeInto( MemoryStream input, byte[] dest )
+		{
+			int destIndex = 0;
+			while( true )
+			{
+				byte i = ReadByte( input );
+				if( ( i & 0x80 ) == 0 )
+				{
+					// case 2
+					byte secondByte = ReadByte( input );
+					int count = ( ( i & 0x70 ) >> 4 ) + 3;
+					int rpos = ( ( i & 0xf ) << 8 ) + secondByte;
+
+					ReplicatePrevious( dest, destIndex, destIndex - rpos, count );
+					destIndex += count;
+				}
+				else if( ( i & 0x40 ) == 0 )
+				{
+					// case 1
+					int count = i & 0x3F;
+					if( count == 0 )
+						return destIndex;
+
+					input.Read( dest, destIndex, count );
+					destIndex += count;
+				}
+				else
+				{
+					int count3 = i & 0x3F;
+					if( count3 == 0x3E )
+					{
+						// case 4
+						int count = ReadWord( input );
+						byte color = ReadByte( input );
+
+						for( int end = destIndex + count ; destIndex < end ; destIndex++ )
+							dest[ destIndex ] = color;
+					}
+					else if( count3 == 0x3F )
+					{
+						// case 5
+						int count = ReadWord( input );
+						int srcIndex = ReadWord( input );
+						if( srcIndex >= destIndex )
+							throw new NotImplementedException( string.Format( "srcIndex >= destIndex  {0}  {1}", srcIndex, destIndex ) );
+
+						for( int end = destIndex + count ; destIndex < end ; destIndex++ )
+							dest[ destIndex ] = dest[ srcIndex++ ];
+					}
+					else
+					{
+						// case 3
+						int count = count3 + 3;
+						int srcIndex = ReadWord( input );
+						if( srcIndex >= destIndex )
+							throw new NotImplementedException( string.Format( "srcIndex >= destIndex  {0}  {1}", srcIndex, destIndex ) );
+
+						for( int end = destIndex + count ; destIndex < end ; destIndex++ )
+							dest[ destIndex ] = dest[ srcIndex++ ];
+					}
+				}
+			}
+		}
+	}
+}
--- a/ImageDecode/ImageDecode.csproj
+++ b/ImageDecode/ImageDecode.csproj
@@ -0,0 +1,55 @@
+<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProductVersion>8.0.50727</ProductVersion>
+    <SchemaVersion>2.0</SchemaVersion>
+    <ProjectGuid>{39352FD2-28B0-4DF5-97C7-499CE1AECCB9}</ProjectGuid>
+    <OutputType>Exe</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>ImageDecode</RootNamespace>
+    <AssemblyName>ImageDecode</AssemblyName>
+    <StartupObject>
+    </StartupObject>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <UseVSHostingProcess>false</UseVSHostingProcess>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <UseVSHostingProcess>false</UseVSHostingProcess>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Drawing" />
+    <Reference Include="System.Xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="Format40.cs" />
+    <Compile Include="Format80.cs" />
+    <Compile Include="Program.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="ShpReader.cs" />
+  </ItemGroup>
+  <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
+  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
+       Other similar extension points exist, see Microsoft.Common.targets.
+  <Target Name="BeforeBuild">
+  </Target>
+  <Target Name="AfterBuild">
+  </Target>
+  -->
+</Project>
--- a/ImageDecode/Program.cs
+++ b/ImageDecode/Program.cs
@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.IO;
+using System.Drawing;
+
+namespace ImageDecode
+{
+	public static class Program
+	{
+		[STAThread]
+		public static void Main()
+		{
+			ShpReader.Read( File.OpenRead( "stek.shp" ) );
+		}
+	}
+}
--- a/ImageDecode/Properties/AssemblyInfo.cs
+++ b/ImageDecode/Properties/AssemblyInfo.cs
@@ -0,0 +1,35 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following 
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle( "ImageDecode" )]
+[assembly: AssemblyDescription( "" )]
+[assembly: AssemblyConfiguration( "" )]
+[assembly: AssemblyCompany( "" )]
+[assembly: AssemblyProduct( "ImageDecode" )]
+[assembly: AssemblyCopyright( "Copyright ©  2007" )]
+[assembly: AssemblyTrademark( "" )]
+[assembly: AssemblyCulture( "" )]
+
+// Setting ComVisible to false makes the types in this assembly not visible 
+// to COM components.  If you need to access a type in this assembly from 
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible( false )]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid( "f236056f-1b46-4a95-9d44-e2c77a9e91c0" )]
+
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version 
+//      Build Number
+//      Revision
+//
+// You can specify all the values or you can default the Revision and Build Numbers 
+// by using the '*' as shown below:
+[assembly: AssemblyVersion( "1.0.0.0" )]
+[assembly: AssemblyFileVersion( "1.0.0.0" )]
--- a/ImageDecode/ShpReader.cs
+++ b/ImageDecode/ShpReader.cs
@@ -0,0 +1,84 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Drawing;
+using System.IO;
+
+namespace ImageDecode
+{
+	public class ImageHeader
+	{
+		public uint Offset;
+		public Format Format;
+		public uint RefOffset;
+		public Format RefFormat;
+		public byte[] Image;
+
+		public ImageHeader( BinaryReader reader )
+		{
+			Offset = reader.ReadUInt32();
+			Format = (Format)( Offset >> 24 );
+			Offset &= 0xFFFFFF;
+
+			RefOffset = reader.ReadUInt16();
+			RefFormat = (Format)reader.ReadUInt16();
+		}
+	}
+
+	public enum Format
+	{
+		Format20 = 0x20,
+		Format40 = 0x40,
+		Format80 = 0x80,
+	}
+
+	public static class ShpReader
+	{
+		public static IEnumerable<byte[]> Read( Stream stream )
+		{
+			BinaryReader reader = new BinaryReader( stream );
+
+			ushort numImages = reader.ReadUInt16();
+			reader.ReadUInt16();
+			reader.ReadUInt16();
+			ushort width = reader.ReadUInt16();
+			ushort height = reader.ReadUInt16();
+			reader.ReadUInt32();
+
+			List<ImageHeader> headers = new List<ImageHeader>();
+			for( int i = 0 ; i < numImages ; i++ )
+				headers.Add( new ImageHeader( reader ) );
+
+			new ImageHeader( reader ); // end-of-file header
+			new ImageHeader( reader ); // all-zeroes header
+
+			foreach( ImageHeader h in headers )
+			{
+				reader.BaseStream.Position = h.Offset;
+				switch( h.Format )
+				{
+					case Format.Format20:
+						//throw new NotImplementedException();
+						break;
+					case Format.Format40:
+						//throw new NotImplementedException();
+						break;
+					case Format.Format80:
+						{
+							byte[] compressedBytes = reader.ReadBytes( (int)( reader.BaseStream.Length - reader.BaseStream.Position ) );
+							MemoryStream ms = new MemoryStream( compressedBytes );
+							byte[] imageBytes = new byte[ width * height ];
+							Format80.DecodeInto( ms, imageBytes );
+							h.Image = imageBytes;
+							break;
+						}
+					default:
+						throw new InvalidDataException();
+				}
+
+				if( h.Image != null )
+					yield return h.Image;
+			}
+		}
+	}
+}
--- a/MixBrowser/MixBrowser.csproj
+++ b/MixBrowser/MixBrowser.csproj
@@ -29,6 +29,10 @@
    <WarningLevel>4</WarningLevel>
  </PropertyGroup>
  <ItemGroup>
+    <Reference Include="MixDecrypt, Version=0.0.0.0, Culture=neutral, processorArchitecture=x86">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\debug\MixDecrypt.dll</HintPath>
+    </Reference>
    <Reference Include="System" />
    <Reference Include="System.Data" />
    <Reference Include="System.Windows.Forms" />
@@ -41,12 +45,6 @@
    <Compile Include="Program.cs" />
    <Compile Include="Properties\AssemblyInfo.cs" />
  </ItemGroup>
-  <ItemGroup>
-    <ProjectReference Include="..\MixDecrypt\MixDecrypt.vcproj">
-      <Project>{6F5D4280-3D23-41FF-AE2A-511B5553E377}</Project>
-      <Name>MixDecrypt</Name>
-    </ProjectReference>
-  </ItemGroup>
  <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
       Other similar extension points exist, see Microsoft.Common.targets.
--- a/OpenRa.sln
+++ b/OpenRa.sln
@@ -5,6 +5,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MixBrowser", "MixBrowser\Mi
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "MixDecrypt", "MixDecrypt\MixDecrypt.vcproj", "{6F5D4280-3D23-41FF-AE2A-511B5553E377}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ImageDecode", "ImageDecode\ImageDecode.csproj", "{39352FD2-28B0-4DF5-97C7-499CE1AECCB9}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -35,6 +37,16 @@ Global
 		{6F5D4280-3D23-41FF-AE2A-511B5553E377}.Release|Mixed Platforms.Build.0 = Release|Win32
 		{6F5D4280-3D23-41FF-AE2A-511B5553E377}.Release|Win32.ActiveCfg = Release|Win32
 		{6F5D4280-3D23-41FF-AE2A-511B5553E377}.Release|Win32.Build.0 = Release|Win32
+		{39352FD2-28B0-4DF5-97C7-499CE1AECCB9}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{39352FD2-28B0-4DF5-97C7-499CE1AECCB9}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{39352FD2-28B0-4DF5-97C7-499CE1AECCB9}.Debug|Mixed Platforms.ActiveCfg = Debug|Any CPU
+		{39352FD2-28B0-4DF5-97C7-499CE1AECCB9}.Debug|Mixed Platforms.Build.0 = Debug|Any CPU
+		{39352FD2-28B0-4DF5-97C7-499CE1AECCB9}.Debug|Win32.ActiveCfg = Debug|Any CPU
+		{39352FD2-28B0-4DF5-97C7-499CE1AECCB9}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{39352FD2-28B0-4DF5-97C7-499CE1AECCB9}.Release|Any CPU.Build.0 = Release|Any CPU
+		{39352FD2-28B0-4DF5-97C7-499CE1AECCB9}.Release|Mixed Platforms.ActiveCfg = Release|Any CPU
+		{39352FD2-28B0-4DF5-97C7-499CE1AECCB9}.Release|Mixed Platforms.Build.0 = Release|Any CPU
+		{39352FD2-28B0-4DF5-97C7-499CE1AECCB9}.Release|Win32.ActiveCfg = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE