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

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This commit is contained in:
bob
2007-06-21 03:20:47 +00:00
parent 765c0ac067
commit 3b1a1e3938
8 changed files with 409 additions and 6 deletions
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98
ImageDecode/Format40.cs Normal file
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@@ -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;
}
}
}
}
}
}

104
ImageDecode/Format80.cs Normal file
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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++ ];
}
}
}
}
}
}

55
ImageDecode/ImageDecode.csproj Normal file
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<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>

17
ImageDecode/Program.cs Normal file
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@@ -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" ) );
}
}
}

35
ImageDecode/Properties/AssemblyInfo.cs Normal file
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@@ -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" )]

84
ImageDecode/ShpReader.cs Normal file
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@@ -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;
}
}
}
}

10
MixBrowser/MixBrowser.csproj
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@@ -29,6 +29,10 @@
<WarningLevel>4</WarningLevel> <WarningLevel>4</WarningLevel>
</PropertyGroup> </PropertyGroup>
<ItemGroup> <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" />
<Reference Include="System.Data" /> <Reference Include="System.Data" />
<Reference Include="System.Windows.Forms" /> <Reference Include="System.Windows.Forms" />
@@ -41,12 +45,6 @@
<Compile Include="Program.cs" /> <Compile Include="Program.cs" />
<Compile Include="Properties\AssemblyInfo.cs" /> <Compile Include="Properties\AssemblyInfo.cs" />
</ItemGroup> </ItemGroup>
<ItemGroup>
<ProjectReference Include="..\MixDecrypt\MixDecrypt.vcproj">
<Project>{6F5D4280-3D23-41FF-AE2A-511B5553E377}</Project>
<Name>MixDecrypt</Name>
</ProjectReference>
</ItemGroup>
<Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" /> <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
<!-- To modify your build process, add your task inside one of the targets below and uncomment it. <!-- 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. Other similar extension points exist, see Microsoft.Common.targets.

12
OpenRa.sln
View File

@@ -5,6 +5,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MixBrowser", "MixBrowser\Mi
EndProject EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "MixDecrypt", "MixDecrypt\MixDecrypt.vcproj", "{6F5D4280-3D23-41FF-AE2A-511B5553E377}" Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "MixDecrypt", "MixDecrypt\MixDecrypt.vcproj", "{6F5D4280-3D23-41FF-AE2A-511B5553E377}"
EndProject EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ImageDecode", "ImageDecode\ImageDecode.csproj", "{39352FD2-28B0-4DF5-97C7-499CE1AECCB9}"
EndProject
Global Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU 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|Mixed Platforms.Build.0 = Release|Win32
{6F5D4280-3D23-41FF-AE2A-511B5553E377}.Release|Win32.ActiveCfg = Release|Win32 {6F5D4280-3D23-41FF-AE2A-511B5553E377}.Release|Win32.ActiveCfg = Release|Win32
{6F5D4280-3D23-41FF-AE2A-511B5553E377}.Release|Win32.Build.0 = 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 EndGlobalSection
GlobalSection(SolutionProperties) = preSolution GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE HideSolutionNode = FALSE