void Initialize()
{
Recognized = false;
if (BaseStream == null)
{
return;
}
baseExecutable = new MZ(BaseStream);
if (!baseExecutable.Recognized)
{
return;
}
if (baseExecutable.Header.new_offset >= BaseStream.Length)
{
return;
}
BaseStream.Seek(baseExecutable.Header.new_offset, SeekOrigin.Begin);
byte[] buffer = new byte[Marshal.SizeOf(typeof(PEHeader))];
BaseStream.Read(buffer, 0, buffer.Length);
IntPtr hdrPtr = Marshal.AllocHGlobal(buffer.Length);
Marshal.Copy(buffer, 0, hdrPtr, buffer.Length);
header = (PEHeader)Marshal.PtrToStructure(hdrPtr, typeof(PEHeader));
Marshal.FreeHGlobal(hdrPtr);
Recognized = header.signature == SIGNATURE;
if (!Recognized)
{
return;
}
Type = "Portable Executable (PE)";
if (header.coff.optionalHeader.magic == PE32Plus)
{
BaseStream.Position -= 4;
buffer = new byte[Marshal.SizeOf(typeof(WindowsHeader64))];
BaseStream.Read(buffer, 0, buffer.Length);
hdrPtr = Marshal.AllocHGlobal(buffer.Length);
Marshal.Copy(buffer, 0, hdrPtr, buffer.Length);
winHeader = (WindowsHeader64)Marshal.PtrToStructure(hdrPtr, typeof(WindowsHeader64));
Marshal.FreeHGlobal(hdrPtr);
}
else
{
buffer = new byte[Marshal.SizeOf(typeof(WindowsHeader))];
BaseStream.Read(buffer, 0, buffer.Length);
hdrPtr = Marshal.AllocHGlobal(buffer.Length);
Marshal.Copy(buffer, 0, hdrPtr, buffer.Length);
WindowsHeader hdr32 = (WindowsHeader)Marshal.PtrToStructure(hdrPtr, typeof(WindowsHeader));
Marshal.FreeHGlobal(hdrPtr);
winHeader = ToPlus(hdr32);
}
OperatingSystem reqOs = new OperatingSystem();
switch (winHeader.subsystem)
{
case Subsystems.IMAGE_SUBSYSTEM_UNKNOWN:
reqOs.Name = "Unknown";
break;
case Subsystems.IMAGE_SUBSYSTEM_NATIVE:
reqOs.Name = "Windows NT";
reqOs.Subsystem = "Native";
break;
case Subsystems.IMAGE_SUBSYSTEM_WINDOWS_GUI:
reqOs.Name = winHeader.majorSubsystemVersion <= 3 ? "Windows NT" : "Windows";
reqOs.Subsystem = "GUI";
break;
case Subsystems.IMAGE_SUBSYSTEM_WINDOWS_CUI:
reqOs.Name = winHeader.majorSubsystemVersion <= 3 ? "Windows NT" : "Windows";
reqOs.Subsystem = "Console";
break;
case Subsystems.IMAGE_SUBSYSTEM_OS2_CUI:
reqOs.Name = "Windows NT";
reqOs.Subsystem = "OS/2";
break;
case Subsystems.IMAGE_SUBSYSTEM_POSIX_CUI:
reqOs.Name = "Windows NT";
reqOs.Subsystem = "POSIX";
break;
case Subsystems.IMAGE_SUBSYSTEM_NATIVE_WINDOWS:
reqOs.Name = "Windows";
reqOs.Subsystem = "Native";
break;
case Subsystems.IMAGE_SUBSYSTEM_WINDOWS_CE_GUI:
reqOs.Name = "Windows CE";
break;
case Subsystems.IMAGE_SUBSYSTEM_EFI_APPLICATION:
case Subsystems.IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER:
case Subsystems.IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER:
case Subsystems.IMAGE_SUBSYSTEM_EFI_ROM:
reqOs.Name = "EFI";
break;
case Subsystems.IMAGE_SUBSYSTEM_XBOX:
reqOs.Name = "Xbox OS";
break;
case Subsystems.IMAGE_SUBSYSTEM_WINDOWS_BOOT_APPLICATION:
reqOs.Name = "Windows NT";
reqOs.Subsystem = "Boot environment";
break;
default:
reqOs.Name = $"Unknown code ${(ushort)winHeader.subsystem}";
break;
}
reqOs.MajorVersion = winHeader.majorSubsystemVersion;
reqOs.MinorVersion = winHeader.minorSubsystemVersion;
RequiredOperatingSystem = reqOs;
buffer = new byte[Marshal.SizeOf(typeof(ImageDataDirectory))];
directoryEntries = new ImageDataDirectory[winHeader.numberOfRvaAndSizes];
for (int i = 0; i < directoryEntries.Length; i++)
{
BaseStream.Read(buffer, 0, buffer.Length);
directoryEntries[i] = BigEndianMarshal.ByteArrayToStructureLittleEndian <ImageDataDirectory>(buffer);
}
buffer = new byte[Marshal.SizeOf(typeof(COFF.SectionHeader))];
sectionHeaders = new COFF.SectionHeader[header.coff.numberOfSections];
for (int i = 0; i < sectionHeaders.Length; i++)
{
BaseStream.Read(buffer, 0, buffer.Length);
sectionHeaders[i] = BigEndianMarshal.ByteArrayToStructureLittleEndian <COFF.SectionHeader>(buffer);
}
Dictionary <string, COFF.SectionHeader> newSectionHeaders =
sectionHeaders.ToDictionary(section => section.name);
for (int i = 0; i < directoryEntries.Length; i++)
{
string tableName;
switch (i)
{
case 0:
tableName = ".edata";
break;
case 1:
tableName = ".idata";
break;
case 2:
tableName = ".rsrc";
break;
case 3:
tableName = ".pdata";
break;
case 5:
tableName = ".reloc";
break;
case 6:
tableName = ".debug";
break;
case 9:
tableName = ".tls";
break;
case 14:
tableName = ".cormeta";
break;
default: continue;
}
if (newSectionHeaders.ContainsKey(tableName))
{
continue;
}
if (directoryEntries[i].rva == 0)
{
continue;
}
newSectionHeaders.Add(tableName,
new COFF.SectionHeader
{
characteristics =
COFF.SectionFlags.IMAGE_SCN_CNT_INITIALIZED_DATA |
COFF.SectionFlags.IMAGE_SCN_MEM_READ,
name = tableName,
pointerToRawData = RvaToReal(directoryEntries[i].rva, sectionHeaders),
virtualAddress = directoryEntries[i].rva,
sizeOfRawData = directoryEntries[i].size,
virtualSize = directoryEntries[i].size
});
}
List <byte> chars;
List <string> strings = new List <string>();
if (newSectionHeaders.TryGetValue(".edata", out COFF.SectionHeader edata))
{
buffer = new byte[Marshal.SizeOf(typeof(ExportDirectoryTable))];
BaseStream.Position = edata.pointerToRawData;
BaseStream.Read(buffer, 0, buffer.Length);
ExportDirectoryTable edataTable =
BigEndianMarshal.ByteArrayToStructureLittleEndian <ExportDirectoryTable>(buffer);
BaseStream.Position = RvaToReal(edataTable.nameRva, sectionHeaders);
chars = new List <byte>();
while (true)
{
int ch = BaseStream.ReadByte();
if (ch <= 0)
{
break;
}
chars.Add((byte)ch);
}
moduleName = Encoding.ASCII.GetString(chars.ToArray());
uint[] namePointers = new uint[edataTable.numberOfNamePointers];
exportedNames = new string[edataTable.numberOfNamePointers];
buffer = new byte[Marshal.SizeOf(typeof(uint)) * edataTable.numberOfNamePointers];
BaseStream.Position = RvaToReal(edataTable.namePointerRva, sectionHeaders);
BaseStream.Read(buffer, 0, buffer.Length);
for (int i = 0; i < edataTable.numberOfNamePointers; i++)
{
namePointers[i] = BitConverter.ToUInt32(buffer, i * 4);
BaseStream.Position = RvaToReal(namePointers[i], sectionHeaders);
chars = new List <byte>();
while (true)
{
int ch = BaseStream.ReadByte();
if (ch <= 0)
{
break;
}
chars.Add((byte)ch);
}
exportedNames[i] = Encoding.ASCII.GetString(chars.ToArray());
}
}
if (newSectionHeaders.TryGetValue(".idata", out COFF.SectionHeader idata))
{
buffer = new byte[Marshal.SizeOf(typeof(ImportDirectoryTable))];
BaseStream.Position = idata.pointerToRawData;
List <ImportDirectoryTable> importDirectoryEntries = new List <ImportDirectoryTable>();
while (true)
{
BaseStream.Read(buffer, 0, buffer.Length);
if (buffer.All(b => b == 0))
{
break;
}
importDirectoryEntries.Add(BigEndianMarshal
.ByteArrayToStructureLittleEndian <ImportDirectoryTable>(buffer));
}
importedNames = new string[importDirectoryEntries.Count];
for (int i = 0; i < importDirectoryEntries.Count; i++)
{
BaseStream.Position = RvaToReal(importDirectoryEntries[i].nameRva, sectionHeaders);
chars = new List <byte>();
while (true)
{
int ch = BaseStream.ReadByte();
if (ch <= 0)
{
break;
}
chars.Add((byte)ch);
}
importedNames[i] = Encoding.ASCII.GetString(chars.ToArray());
// BeOS R3 uses PE with no subsystem
if (importedNames[i].ToLower() == "libbe.so")
{
reqOs.MajorVersion = 3;
reqOs.MinorVersion = 0;
reqOs.Subsystem = null;
reqOs.Name = "BeOS";
RequiredOperatingSystem = reqOs;
}
// Singularity appears as a native NT executable
else if (importedNames[i].ToLower() == "singularity.v1.dll")
{
reqOs.MajorVersion = 1;
reqOs.MinorVersion = 0;
reqOs.Subsystem = null;
reqOs.Name = "Singularity";
RequiredOperatingSystem = reqOs;
}
}
}
if (newSectionHeaders.TryGetValue(".debug", out COFF.SectionHeader debug) && debug.virtualAddress > 0)
{
buffer = new byte[Marshal.SizeOf(typeof(DebugDirectory))];
BaseStream.Position = debug.pointerToRawData;
BaseStream.Read(buffer, 0, buffer.Length);
debugDirectory = BigEndianMarshal.ByteArrayToStructureLittleEndian <DebugDirectory>(buffer);
}
if (newSectionHeaders.TryGetValue(".rsrc", out COFF.SectionHeader rsrc))
{
if (reqOs.Name == "BeOS")
{
newSectionHeaders.Remove(".rsrc");
rsrc.pointerToRawData = rsrc.virtualAddress;
long maxPosition = BaseStream.Length;
foreach (KeyValuePair <string, COFF.SectionHeader> kvp in newSectionHeaders)
{
if (kvp.Value.pointerToRawData <= maxPosition &&
kvp.Value.pointerToRawData > rsrc.pointerToRawData)
{
maxPosition = kvp.Value.pointerToRawData;
}
}
rsrc.sizeOfRawData = (uint)(maxPosition - rsrc.pointerToRawData);
rsrc.virtualSize = rsrc.sizeOfRawData;
newSectionHeaders.Add(".rsrc", rsrc);
buffer = new byte[rsrc.sizeOfRawData];
BaseStream.Position = rsrc.pointerToRawData;
BaseStream.Read(buffer, 0, buffer.Length);
BeosResources = Resources.Decode(buffer);
strings.AddRange(from type in BeosResources
where type.type == Consts.B_VERSION_INFO_TYPE
from resource in type.resources
select BigEndianMarshal
.ByteArrayToStructureLittleEndian <VersionInfo>(resource.data)
into versionInfo
select StringHandlers.CToString(versionInfo.long_info, Encoding.UTF8));
}
else
{
WindowsResourcesRoot = GetResourceNode(BaseStream, rsrc.pointerToRawData,
rsrc.virtualAddress,
rsrc.pointerToRawData, 0, null, 0);
Versions = GetVersions().ToArray();
strings.AddRange(from v in Versions from s in v.StringsByLanguage from k in s.Value select k.Value);
foreach (ResourceNode rtype in WindowsResourcesRoot.children.Where(r => r.name == "RT_STRING"))
{
strings.AddRange(GetStrings(rtype));
}
}
}
sectionHeaders = newSectionHeaders.Values.OrderBy(s => s.pointerToRawData).ToArray();
Segment[] segments = new Segment[sectionHeaders.Length];
for (int i = 0; i < segments.Length; i++)
{
segments[i] = new Segment
{
Flags = $"{sectionHeaders[i].characteristics}",
Name = sectionHeaders[i].name,
Offset = sectionHeaders[i].pointerToRawData,
Size = sectionHeaders[i].sizeOfRawData
}
}
;
Segments = segments;
strings.Sort();
Strings = strings;
}
void Initialize()
{
Recognized = false;
if (BaseStream == null)
{
return;
}
byte[] buffer = new byte[Marshal.SizeOf(typeof(AtariHeader))];
BaseStream.Position = 0;
BaseStream.Read(buffer, 0, buffer.Length);
Header = BigEndianMarshal.ByteArrayToStructureBigEndian <AtariHeader>(buffer);
Recognized = Header.signature == SIGNATURE;
List <string> strings = new List <string>();
if (!Recognized)
{
return;
}
Type = "Atari ST executable";
if (Header.symb_len != 0)
{
BaseStream.Position = 0x1C + Header.text_len + Header.data_len;
buffer = new byte[Marshal.SizeOf(typeof(SymbolEntry))];
symbols = new SymbolEntry[Header.symb_len / Marshal.SizeOf(typeof(SymbolEntry))];
for (int i = 0; i < symbols.Length; i++)
{
BaseStream.Read(buffer, 0, buffer.Length);
symbols[i] = new SymbolEntry();
symbols[i] = BigEndianMarshal.ByteArrayToStructureBigEndian <SymbolEntry>(buffer);
symbols[i].type = (SymbolType)Swapping.Swap((ushort)symbols[i].type);
strings.Add(StringHandlers.CToString(symbols[i].name, Encoding.AtariSTEncoding));
}
}
Segments = new []
{
new Segment
{
Name = ".text",
Flags = $"{(PrgFlags)(Header.flags & 0xFFCF)} {(PrgSharing)(Header.flags & PF_SHARE_MASK)}",
Offset = 0x1C,
Size = Header.text_len
},
new Segment
{
Name = ".data",
Flags = "",
Offset = 0x1C + Header.text_len,
Size = Header.data_len
},
new Segment
{
Name = ".bss",
Flags = "",
Offset = 0,
Size = Header.bss_len
}
};
RequiredOperatingSystem = new OperatingSystem {
Name = Header.mint == MINT_SIGNATURE ? "MiNT" : "Atari TOS"
};
if (ResourceStream == null)
{
return;
}
buffer = new byte[Marshal.SizeOf(typeof(GEM.GemResourceHeader))];
ResourceStream.Position = 0;
ResourceStream.Read(buffer, 0, buffer.Length);
GEM.GemResourceHeader gemResourceHeader =
BigEndianMarshal.ByteArrayToStructureBigEndian <GEM.GemResourceHeader>(buffer);
if (gemResourceHeader.rsh_vrsn != 0 && gemResourceHeader.rsh_vrsn != 1 && gemResourceHeader.rsh_vrsn != 3 &&
gemResourceHeader.rsh_vrsn != 4 && gemResourceHeader.rsh_vrsn != 5)
{
return;
}
if (gemResourceHeader.rsh_vrsn == 3)
{
buffer = new byte[Marshal.SizeOf(typeof(GEM.MagiCResourceHeader))];
ResourceStream.Position = 0;
ResourceStream.Read(buffer, 0, buffer.Length);
ResourceHeader =
BigEndianMarshal.ByteArrayToStructureBigEndian <GEM.MagiCResourceHeader>(buffer);
RequiredOperatingSystem = new OperatingSystem {
Name = "MagiC"
};
}
else
{
ResourceHeader = GEM.GemToMagiC(gemResourceHeader);
}
if ((ResourceHeader.rsh_vrsn & 4) == 4)
{
buffer = new byte[Marshal.SizeOf(typeof(GEM.GemResourceExtension))];
ResourceStream.Position = ResourceHeader.rsh_rssize;
ResourceStream.Read(buffer, 0, buffer.Length);
ResourceExtension = BigEndianMarshal.ByteArrayToStructureBigEndian <GEM.GemResourceExtension>(buffer);
GemColorIcons = GEM.GetColorIcons(ResourceStream, ResourceExtension.color_ic, true,
Encoding.AtariSTEncoding);
}
if (ResourceHeader.rsh_ntree > 0)
{
ResourceStream.Position = ResourceHeader.rsh_trindex;
int[] treeOffsets = new int[ResourceHeader.rsh_ntree];
byte[] tmp = new byte[4];
for (int i = 0; i < ResourceHeader.rsh_ntree; i++)
{
ResourceStream.Read(tmp, 0, 4);
treeOffsets[i] = BitConverter.ToInt32(tmp.Reverse().ToArray(), 0);
}
ResourceObjectRoots = new GEM.TreeObjectNode[ResourceHeader.rsh_ntree];
for (int i = 0; i < ResourceHeader.rsh_ntree; i++)
{
if (treeOffsets[i] <= 0 || treeOffsets[i] >= ResourceStream.Length)
{
continue;
}
ResourceStream.Position = treeOffsets[i];
List <GEM.ObjectNode> nodes = new List <GEM.ObjectNode>();
while (true)
{
buffer = new byte[Marshal.SizeOf(typeof(GEM.ObjectNode))];
ResourceStream.Read(buffer, 0, buffer.Length);
GEM.ObjectNode node = BigEndianMarshal.ByteArrayToStructureBigEndian <GEM.ObjectNode>(buffer);
nodes.Add(node);
if (((GEM.ObjectFlags)node.ob_flags).HasFlag(GEM.ObjectFlags.Lastob))
{
break;
}
}
List <short> knownNodes = new List <short>();
ResourceObjectRoots[i] =
GEM.ProcessResourceObject(nodes, ref knownNodes, 0, ResourceStream, strings, true,
Encoding.AtariSTEncoding);
}
}
else if (ResourceHeader.rsh_nobs > 0)
{
GEM.ObjectNode[] nodes = new GEM.ObjectNode[ResourceHeader.rsh_nobs];
ResourceStream.Position = ResourceHeader.rsh_object;
for (short i = 0; i < ResourceHeader.rsh_nobs; i++)
{
buffer = new byte[Marshal.SizeOf(typeof(GEM.ObjectNode))];
ResourceStream.Read(buffer, 0, buffer.Length);
nodes[i] = BigEndianMarshal.ByteArrayToStructureBigEndian <GEM.ObjectNode>(buffer);
}
List <short> knownNodes = new List <short>();
ResourceObjectRoots = new GEM.TreeObjectNode[1];
ResourceObjectRoots[0] =
GEM.ProcessResourceObject(nodes, ref knownNodes, 0, ResourceStream, strings, true,
Encoding.AtariSTEncoding);
}
if (strings.Count > 0)
{
strings.Sort();
Strings = strings.Distinct();
}
}
// TODO: How to know VxD structure offset
void Initialize()
{
Recognized = false;
if (BaseStream == null)
{
return;
}
BaseExecutable = new MZ(BaseStream);
if (!BaseExecutable.Recognized)
{
return;
}
if (BaseExecutable.Header.new_offset >= BaseStream.Length)
{
return;
}
BaseStream.Seek(BaseExecutable.Header.new_offset, SeekOrigin.Begin);
byte[] buffer = new byte[Marshal.SizeOf(typeof(LXHeader))];
BaseStream.Read(buffer, 0, buffer.Length);
IntPtr hdrPtr = Marshal.AllocHGlobal(buffer.Length);
Marshal.Copy(buffer, 0, hdrPtr, buffer.Length);
Header = (LXHeader)Marshal.PtrToStructure(hdrPtr, typeof(LXHeader));
Marshal.FreeHGlobal(hdrPtr);
Recognized = Header.signature == SIGNATURE || Header.signature == SIGNATURE16;
if (!Recognized)
{
return;
}
Type = Header.signature == SIGNATURE16 ? "Linear Executable (LE)" : "Linear eXecutable (LX)";
IsBigEndian = Header.byte_order == 1 || Header.word_order == 1;
List <string> strings = new List <string>();
OperatingSystem reqOs = new OperatingSystem();
switch (Header.os_type)
{
case TargetOS.OS2:
reqOs.Name = "OS/2";
if (Header.module_flags.HasFlag(ModuleFlags.PMIncompatible) &&
!Header.module_flags.HasFlag(ModuleFlags.PMCompatible) ||
!Header.module_flags.HasFlag(ModuleFlags.PMIncompatible) &&
Header.module_flags.HasFlag(ModuleFlags.PMCompatible))
{
reqOs.Subsystem = "Console";
}
else if (Header.module_flags.HasFlag(ModuleFlags.PMIncompatible) &&
Header.module_flags.HasFlag(ModuleFlags.PMCompatible))
{
reqOs.Subsystem = "Presentation Manager";
}
break;
case TargetOS.Windows:
case TargetOS.Win32:
case TargetOS.Unknown:
reqOs.Name = "Windows";
break;
case TargetOS.DOS:
reqOs.Name = "Windows";
break;
default:
reqOs.Name = $"Unknown code {(ushort)Header.os_type}";
break;
}
RequiredOperatingSystem = reqOs;
if (Header.resident_names_off != 0)
{
ResidentNames =
GetResidentStrings(BaseStream, BaseExecutable.Header.new_offset, Header.resident_names_off);
if (ResidentNames.Length >= 1)
{
ModuleName = ResidentNames[0].name;
if (ResidentNames.Length > 1)
{
NE.ResidentName[] newResidentNames = new NE.ResidentName[ResidentNames.Length - 1];
Array.Copy(ResidentNames, 1, newResidentNames, 0, ResidentNames.Length - 1);
ResidentNames = newResidentNames;
}
else
{
ResidentNames = null;
}
}
}
if (Header.nonresident_name_table_len > 0)
{
NonResidentNames = GetResidentStrings(BaseStream, 0, Header.nonresident_name_table_off);
if (NonResidentNames.Length >= 1)
{
ModuleDescription = NonResidentNames[0].name;
if (NonResidentNames.Length > 1)
{
NE.ResidentName[] newNonResidentNames = new NE.ResidentName[NonResidentNames.Length - 1];
Array.Copy(NonResidentNames, 1, newNonResidentNames, 0, NonResidentNames.Length - 1);
NonResidentNames = newNonResidentNames;
}
else
{
NonResidentNames = null;
}
}
}
if (Header.import_module_table_off != 0 && Header.import_module_entries > 0)
{
BaseStream.Position = Header.import_module_table_off + BaseExecutable.Header.new_offset;
ImportedNames = new string[Header.import_module_entries];
for (int i = 0; i < Header.import_module_entries; i++)
{
int len = BaseStream.ReadByte();
buffer = new byte[len];
BaseStream.Read(buffer, 0, len);
ImportedNames[i] = Encoding.ASCII.GetString(buffer);
}
}
if (!string.IsNullOrEmpty(ModuleName))
{
strings.Add(ModuleName);
}
if (!string.IsNullOrEmpty(ModuleDescription))
{
strings.Add(ModuleDescription);
}
objectTableEntries = new ObjectTableEntry[Header.obj_no];
objectPageTableEntries = new ObjectPageTableEntry[Header.module_pages_no];
BaseStream.Position = Header.obj_table_off + BaseExecutable.Header.new_offset;
buffer = new byte[Marshal.SizeOf(typeof(ObjectTableEntry))];
for (int i = 0; i < Header.obj_no; i++)
{
BaseStream.Read(buffer, 0, buffer.Length);
objectTableEntries[i] = BigEndianMarshal.ByteArrayToStructureLittleEndian <ObjectTableEntry>(buffer);
}
BaseStream.Position = Header.obj_page_table_off + BaseExecutable.Header.new_offset;
if (Header.signature == SIGNATURE16)
{
buffer = new byte[Marshal.SizeOf(typeof(ObjectPageTableEntry16))];
for (int i = 0; i < Header.module_pages_no; i++)
{
BaseStream.Read(buffer, 0, buffer.Length);
ObjectPageTableEntry16 page16 =
BigEndianMarshal.ByteArrayToStructureLittleEndian <ObjectPageTableEntry16>(buffer);
int pageNo = (page16.High << 8) + page16.Low;
objectPageTableEntries[i] = new ObjectPageTableEntry
{
DataSize = (ushort)Header.page_size,
Flags = (PageTableAttributes)page16.Flags,
PageDataOffset = (uint)((pageNo - 1) * Header.page_size)
};
}
}
else
{
buffer = new byte[Marshal.SizeOf(typeof(ObjectPageTableEntry))];
for (int i = 0; i < Header.module_pages_no; i++)
{
BaseStream.Read(buffer, 0, buffer.Length);
objectPageTableEntries[i] =
BigEndianMarshal.ByteArrayToStructureLittleEndian <ObjectPageTableEntry>(buffer);
}
}
int debugSections = 0;
int winrsrcSections = 0;
if (Header.debug_info_len > 0)
{
debugSections = 1;
}
if (Header.win_res_len > 0)
{
winrsrcSections = 1;
}
Segment[] sections = new Segment[objectTableEntries.Length + debugSections + winrsrcSections];
for (int i = 0; i < objectTableEntries.Length; i++)
{
sections[i] = new Segment {
Flags = $"{objectTableEntries[i].ObjectFlags}"
};
if (objectTableEntries[i].ObjectFlags.HasFlag(ObjectFlags.Resource))
{
sections[i].Name = ".rsrc";
}
else if (objectTableEntries[i].ObjectFlags.HasFlag(ObjectFlags.Executable))
{
sections[i].Name = ".text";
}
else if (!objectTableEntries[i].ObjectFlags.HasFlag(ObjectFlags.Writable))
{
sections[i].Name = ".rodata";
}
else if (StringHandlers.CToString(objectTableEntries[i].Name).ToLower() == "bss")
{
sections[i].Name = ".bss";
}
else if (!string.IsNullOrWhiteSpace(StringHandlers.CToString(objectTableEntries[i].Name).Trim()))
{
sections[i].Name = StringHandlers.CToString(objectTableEntries[i].Name).Trim();
}
else
{
sections[i].Name = ".data";
}
if (objectTableEntries[i].PageTableEntries == 0 ||
objectTableEntries[i].PageTableIndex > objectPageTableEntries.Length)
{
sections[i].Size = objectTableEntries[i].VirtualSize;
continue;
}
int shift = (int)(Header.signature == SIGNATURE16 ? 0 : Header.page_off_shift);
if (objectPageTableEntries[objectTableEntries[i].PageTableIndex - 1]
.Flags.HasFlag(PageTableAttributes.IteratedDataPage))
{
sections[i].Offset =
(objectPageTableEntries[objectTableEntries[i].PageTableIndex - 1].PageDataOffset << shift) +
Header.obj_iter_pages_off;
}
else if (objectPageTableEntries[objectTableEntries[i].PageTableIndex - 1]
.Flags.HasFlag(PageTableAttributes.LegalPhysicalPage))
{
sections[i].Offset =
(objectPageTableEntries[objectTableEntries[i].PageTableIndex - 1].PageDataOffset << shift) +
Header.data_pages_off;
}
else
{
sections[i].Offset = 0;
}
sections[i].Size = 0;
for (int j = 0; j < objectTableEntries[i].PageTableEntries; j++)
{
sections[i].Size += objectPageTableEntries[j + objectTableEntries[i].PageTableIndex - 1].DataSize;
}
if (sections[i].Offset + sections[i].Size > BaseStream.Length)
{
sections[i].Size = BaseStream.Length - sections[i].Offset;
}
}
if (winrsrcSections > 0)
{
sections[sections.Length - debugSections - winrsrcSections] = new Segment
{
Name = ".rsrc",
Size = Header.win_res_len,
Offset = Header.win_res_off
}
}
;
if (debugSections > 0)
{
sections[sections.Length - debugSections] = new Segment
{
Name = ".debug",
Size = Header.debug_info_len,
Offset = Header.debug_info_off
}
}
;
// It only contains a RT_VERSION resource prefixed by some 12-byte header I can't find information about, so let's just skip it.
if (winrsrcSections > 0)
{
buffer = new byte[Header.win_res_len];
BaseStream.Position = Header.win_res_off + 12;
BaseStream.Read(buffer, 0, buffer.Length);
WinVersion = new NE.Version(buffer);
strings.AddRange(from s in WinVersion.StringsByLanguage from k in s.Value select k.Value);
}
resources = new ResourceTableEntry[Header.resource_entries];
BaseStream.Position = Header.resource_table_off + BaseExecutable.Header.new_offset;
buffer = new byte[Marshal.SizeOf(typeof(ResourceTableEntry))];
for (int i = 0; i < resources.Length; i++)
{
BaseStream.Read(buffer, 0, buffer.Length);
resources[i] = BigEndianMarshal.ByteArrayToStructureLittleEndian <ResourceTableEntry>(buffer);
}
SortedDictionary <ResourceTypes, List <NE.Resource> > os2Resources =
new SortedDictionary <ResourceTypes, List <NE.Resource> >();
for (int i = 0; i < resources.Length; i++)
{
os2Resources.TryGetValue(resources[i].type, out List <NE.Resource> thisResourceType);
if (thisResourceType == null)
{
thisResourceType = new List <NE.Resource>();
}
NE.Resource thisResource = new NE.Resource
{
id = resources[i].id,
name = $"{resources[i].id}",
flags = 0,
dataOffset = (uint)(sections[resources[i].obj_no - 1].Offset + resources[i].offset),
length = resources[i].size
};
thisResource.data = new byte[thisResource.length];
BaseStream.Position = thisResource.dataOffset;
BaseStream.Read(thisResource.data, 0, thisResource.data.Length);
thisResourceType.Add(thisResource);
os2Resources.Remove(resources[i].type);
os2Resources.Add(resources[i].type, thisResourceType);
}
if (os2Resources.Count > 0)
{
neFormatResourceTable = new NE.ResourceTable();
int counter = 0;
neFormatResourceTable.types = new NE.ResourceType[os2Resources.Count];
foreach (KeyValuePair <ResourceTypes, List <NE.Resource> > kvp in os2Resources)
{
neFormatResourceTable.types[counter].count = (ushort)kvp.Value.Count;
neFormatResourceTable.types[counter].id = (ushort)kvp.Key;
neFormatResourceTable.types[counter].name = Resources.IdToName((ushort)kvp.Key);
neFormatResourceTable.types[counter].resources = kvp.Value.OrderBy(r => r.id).ToArray();
counter++;
}
foreach (NE.ResourceType rtype in neFormatResourceTable.types)
{
if (rtype.name != "RT_STRING")
{
continue;
}
strings.AddRange(NE.GetOs2Strings(rtype));
}
}
Segments = sections;
Strings = strings;
}
void Initialize()
{
Recognized = false;
if (BaseStream == null)
{
return;
}
BaseStream.Seek(0, SeekOrigin.Begin);
byte[] buffer = new byte[Marshal.SizeOf(typeof(GeodeHeaderV2))];
BaseStream.Read(buffer, 0, buffer.Length);
header = BigEndianMarshal.ByteArrayToStructureLittleEndian <GeodeHeader>(buffer);
header2 = BigEndianMarshal.ByteArrayToStructureLittleEndian <GeodeHeaderV2>(buffer);
Recognized = header.magic == GEOS_ID && header.type == FileType.GFT_EXECUTABLE ||
header2.magic == GEOS2_ID && header2.type == FileType2.GFT_EXECUTABLE;
if (!Recognized)
{
return;
}
isNewHeader = header2.magic == GEOS2_ID;
RequiredOperatingSystem = new OperatingSystem {
Name = "GEOS", MajorVersion = isNewHeader ? 2 : 1
};
List <string> strings = new List <string>
{
StringHandlers.CToString(isNewHeader ? header2.name : header.name, geosEncoding),
StringHandlers.CToString(isNewHeader ? header2.copyright : header.copyright, geosEncoding),
StringHandlers.CToString(isNewHeader ? header2.info : header.info, geosEncoding)
};
uint segmentBase = 0;
if (isNewHeader)
{
BaseStream.Position = Marshal.SizeOf(typeof(GeodeHeaderV2));
buffer = new byte[Marshal.SizeOf(typeof(ApplicationHeaderV2))];
segmentBase = (uint)Marshal.SizeOf(typeof(GeodeHeaderV2));
BaseStream.Read(buffer, 0, buffer.Length);
applicationHeader2 = BigEndianMarshal.ByteArrayToStructureLittleEndian <ApplicationHeaderV2>(buffer);
imports = new Import[applicationHeader2.imports];
exports = new Export[applicationHeader2.exports];
segments = new SegmentDescriptor[applicationHeader2.segments];
strings.Add($"{StringHandlers.CToString(applicationHeader2.name, geosEncoding).Trim()}.{StringHandlers.CToString(applicationHeader2.extension, geosEncoding).Trim()}");
}
else
{
BaseStream.Position = Marshal.SizeOf(typeof(GeodeHeader));
buffer = new byte[Marshal.SizeOf(typeof(ApplicationHeader))];
BaseStream.Read(buffer, 0, buffer.Length);
applicationHeader = BigEndianMarshal.ByteArrayToStructureLittleEndian <ApplicationHeader>(buffer);
imports = new Import[applicationHeader.imports];
exports = new Export[applicationHeader.exports];
segments = new SegmentDescriptor[applicationHeader.segments];
strings.Add($"{StringHandlers.CToString(applicationHeader.name, geosEncoding).Trim()}.{StringHandlers.CToString(applicationHeader.extension, geosEncoding).Trim()}");
}
buffer = new byte[Marshal.SizeOf(typeof(Import))];
for (int i = 0; i < imports.Length; i++)
{
BaseStream.Read(buffer, 0, buffer.Length);
imports[i] = BigEndianMarshal.ByteArrayToStructureLittleEndian <Import>(buffer);
strings.Add(StringHandlers.CToString(imports[i].name, geosEncoding).Trim());
}
buffer = new byte[Marshal.SizeOf(typeof(Export))];
for (int i = 0; i < exports.Length; i++)
{
BaseStream.Read(buffer, 0, buffer.Length);
exports[i] = BigEndianMarshal.ByteArrayToStructureLittleEndian <Export>(buffer);
}
if (segments.Length > 0)
{
buffer = new byte[Marshal.SizeOf(typeof(SegmentDescriptor)) * segments.Length];
BaseStream.Read(buffer, 0, buffer.Length);
Segment[] mySegments = new Segment[segments.Length];
for (int i = 0; i < segments.Length; i++)
{
segments[i].length = BitConverter.ToUInt16(buffer, 2 * i);
segments[i].offset =
BitConverter.ToUInt32(buffer, 2 * segments.Length + 4 * i) + segmentBase;
segments[i].relocs_length = BitConverter.ToUInt16(buffer, 6 * segments.Length + 2 * i);
segments[i].flags =
(SegmentFlags)BitConverter.ToUInt16(buffer, 8 * segments.Length + 2 * i);
mySegments[i] = new Segment
{
Flags = $"{segments[i].flags}",
Offset = segments[i].offset,
Size = segments[i].length
};
if (i == 1)
{
mySegments[i].Name = ".idata";
}
else if (segments[i].flags.HasFlag(SegmentFlags.HAF_CODE))
{
mySegments[i].Name = ".text";
}
else if (segments[i].flags.HasFlag(SegmentFlags.HAF_OBJECT_RESOURCE))
{
mySegments[i].Name = ".rsrc";
}
else if (segments[i].flags.HasFlag(SegmentFlags.HAF_ZERO_INIT))
{
mySegments[i].Name = ".bss";
}
else if (segments[i].flags.HasFlag(SegmentFlags.HAF_READ_ONLY))
{
mySegments[i].Name = ".rodata";
}
else
{
mySegments[i].Name = ".data";
}
}
Segments = mySegments;
}
strings.Remove("");
strings.Remove(null);
Strings = strings;
}
internal static TreeObjectNode ProcessResourceObject(IList <ObjectNode> nodes, ref List <short> knownNodes,
short nodeNumber, Stream resourceStream,
List <string> strings, bool bigEndian,
Encoding encoding)
{
TreeObjectNode node = new TreeObjectNode
{
type = (ObjectTypes)(nodes[nodeNumber].ob_type & 0xff),
flags = (ObjectFlags)nodes[nodeNumber].ob_flags,
state = (ObjectStates)nodes[nodeNumber].ob_state,
data = nodes[nodeNumber].ob_spec,
x = nodes[nodeNumber].ob_x,
y = nodes[nodeNumber].ob_y,
width = nodes[nodeNumber].ob_width,
height = nodes[nodeNumber].ob_height
};
byte[] buffer;
switch (node.type)
{
case ObjectTypes.G_TEXT:
case ObjectTypes.G_BOXTEXT:
case ObjectTypes.G_FTEXT:
case ObjectTypes.G_FBOXTEXT:
if (node.data <= 0 || node.data >= resourceStream.Length)
{
break;
}
resourceStream.Position = node.data;
buffer = new byte[Marshal.SizeOf(typeof(TedInfo))];
resourceStream.Read(buffer, 0, buffer.Length);
TedInfo ted = bigEndian
? BigEndianMarshal.ByteArrayToStructureBigEndian <TedInfo>(buffer)
: BigEndianMarshal.ByteArrayToStructureLittleEndian <TedInfo>(buffer);
node.TedInfo = new TextBlock
{
Font = (ObjectFont)ted.te_font,
Justification = (ObjectJustification)ted.te_just,
BorderColor = (ObjectColors)((ted.te_color & BorderColorMask) >> 12),
TextColor = (ObjectColors)((ted.te_color & TextColorMask) >> 8),
Transparency = (ted.te_color & TransparentColor) != TransparentColor,
Fill = (ObjectFillPattern)((ted.te_color & FillPatternMask) >> 4),
InsideColor = (ObjectColors)(ted.te_color & InsideColorMask),
Thickness = ted.te_thickness
};
byte[] tmpStr;
if (ted.te_ptext > 0 && ted.te_ptext < resourceStream.Length && ted.te_txtlen > 0)
{
tmpStr = new byte[ted.te_txtlen];
resourceStream.Position = ted.te_ptext;
resourceStream.Read(tmpStr, 0, ted.te_txtlen);
node.TedInfo.Text = StringHandlers.CToString(tmpStr, encoding);
if (!string.IsNullOrWhiteSpace(node.TedInfo.Text))
{
strings.Add(node.TedInfo.Text.Trim());
}
}
if (ted.te_pvalid > 0 && ted.te_pvalid < resourceStream.Length && ted.te_txtlen > 0)
{
tmpStr = new byte[ted.te_txtlen];
resourceStream.Position = ted.te_pvalid;
resourceStream.Read(tmpStr, 0, ted.te_txtlen);
node.TedInfo.Validation = StringHandlers.CToString(tmpStr, encoding);
if (!string.IsNullOrWhiteSpace(node.TedInfo.Validation))
{
strings.Add(node.TedInfo.Validation.Trim());
}
}
if (ted.te_ptmplt > 0 && ted.te_ptmplt < resourceStream.Length && ted.te_tmplen > 0)
{
tmpStr = new byte[ted.te_tmplen];
resourceStream.Position = ted.te_ptmplt;
resourceStream.Read(tmpStr, 0, ted.te_tmplen);
node.TedInfo.Template = StringHandlers.CToString(tmpStr, encoding);
if (!string.IsNullOrWhiteSpace(node.TedInfo.Template))
{
strings.Add(node.TedInfo.Template.Trim());
}
}
break;
case ObjectTypes.G_IMAGE:
if (node.data <= 0 || node.data >= resourceStream.Length)
{
break;
}
resourceStream.Position = node.data;
buffer = new byte[Marshal.SizeOf(typeof(BitBlock))];
resourceStream.Read(buffer, 0, buffer.Length);
BitBlock bitBlock = bigEndian
? BigEndianMarshal.ByteArrayToStructureBigEndian <BitBlock>(buffer)
: BigEndianMarshal.ByteArrayToStructureLittleEndian <BitBlock>(buffer);
node.BitBlock = new BitmapBlock
{
Color = (ObjectColors)bitBlock.bi_color,
Height = bitBlock.bi_hl,
Width = (uint)(bitBlock.bi_wb * 8),
X = bitBlock.bi_x,
Y = bitBlock.bi_y
};
if (bitBlock.bi_pdata == 0 || bitBlock.bi_pdata >= resourceStream.Length)
{
break;
}
node.BitBlock.Data = new byte[bitBlock.bi_wb * bitBlock.bi_hl];
resourceStream.Position = bitBlock.bi_pdata;
resourceStream.Read(node.BitBlock.Data, 0, node.BitBlock.Data.Length);
// Because the image is stored as words, they get reversed on PC GEM (Little-endian)
if (!bigEndian)
{
byte[] data = new byte[node.BitBlock.Data.Length];
for (int i = 0; i < data.Length; i += 2)
{
data[i] = node.BitBlock.Data[i + 1];
data[i + 1] = node.BitBlock.Data[i];
}
node.BitBlock.Data = data;
}
break;
case ObjectTypes.G_USERDEF:
if (node.data <= 0 || node.data >= resourceStream.Length)
{
break;
}
resourceStream.Position = node.data;
buffer = new byte[Marshal.SizeOf(typeof(ApplicationBlock))];
resourceStream.Read(buffer, 0, buffer.Length);
node.ApplicationBlock = bigEndian
? BigEndianMarshal
.ByteArrayToStructureBigEndian <ApplicationBlock>(buffer)
: BigEndianMarshal
.ByteArrayToStructureLittleEndian <ApplicationBlock>(buffer);
break;
case ObjectTypes.G_ICON:
if (node.data <= 0 || node.data >= resourceStream.Length)
{
break;
}
resourceStream.Position = node.data;
buffer = new byte[Marshal.SizeOf(typeof(IconBlock))];
resourceStream.Read(buffer, 0, buffer.Length);
node.IconBlock = GetIconBlock(resourceStream, buffer, bigEndian, encoding);
if (!string.IsNullOrWhiteSpace(node.IconBlock.Text))
{
strings.Add(node.IconBlock.Text.Trim());
}
break;
case ObjectTypes.G_CICON:
// Do nothing, it is done separately...
break;
case ObjectTypes.G_BUTTON:
case ObjectTypes.G_STRING:
case ObjectTypes.G_TITLE:
case ObjectTypes.G_SHORTCUT:
if (node.data <= 0 || node.data >= resourceStream.Length)
{
break;
}
resourceStream.Position = node.data;
List <byte> chars = new List <byte>();
while (true)
{
int character = resourceStream.ReadByte();
if (character <= 0)
{
break;
}
chars.Add((byte)character);
}
node.String = StringHandlers.CToString(chars.ToArray(), encoding);
if (!string.IsNullOrWhiteSpace(node.String))
{
strings.Add(node.String.Trim());
}
break;
}
knownNodes.Add(nodeNumber);
if (nodes[nodeNumber].ob_head > 0 && !knownNodes.Contains(nodes[nodeNumber].ob_head))
{
node.child = ProcessResourceObject(nodes, ref knownNodes, nodes[nodeNumber].ob_head, resourceStream,
strings, bigEndian, encoding);
}
if (nodes[nodeNumber].ob_next > 0 && !knownNodes.Contains(nodes[nodeNumber].ob_next))
{
node.sibling = ProcessResourceObject(nodes, ref knownNodes, nodes[nodeNumber].ob_next, resourceStream,
strings, bigEndian, encoding);
}
return(node);
}
public static ColorIcon[] GetColorIcons(Stream resourceStream, int colorIc, bool bigEndian, Encoding encoding)
{
byte[] buffer;
if (colorIc == -1 || colorIc >= resourceStream.Length)
{
return(null);
}
resourceStream.Position = colorIc;
int cicons = 0;
while (true)
{
buffer = new byte[4];
resourceStream.Read(buffer, 0, buffer.Length);
if (BitConverter.ToInt32(buffer, 0) == -1)
{
break;
}
cicons++;
}
ColorIcon[] colorIcons = new ColorIcon[cicons];
for (int i = 0; i < cicons; i++)
{
buffer = new byte[Marshal.SizeOf(typeof(IconBlock))];
resourceStream.Read(buffer, 0, buffer.Length);
IconBlock iconBlock = BigEndianMarshal.ByteArrayToStructureBigEndian <IconBlock>(buffer);
int isize = iconBlock.ib_wicon * iconBlock.ib_hicon / 8;
buffer = new byte[4];
resourceStream.Position -= 2;
resourceStream.Read(buffer, 0, buffer.Length);
int numRez = BitConverter.ToInt32(buffer.Reverse().ToArray(), 0);
colorIcons[i] = new ColorIcon
{
Color = new ColorIconPlane[numRez],
Monochrome = new Icon
{
Width = iconBlock.ib_wicon,
Height = iconBlock.ib_hicon,
X = iconBlock.ib_xicon,
Y = iconBlock.ib_yicon,
ForegroundColor = (ObjectColors)((iconBlock.ib_char >> 12) & 0x000F),
BackgroundColor = (ObjectColors)((iconBlock.ib_char >> 8) & 0x000F),
Character = encoding.GetString(new[] { (byte)(iconBlock.ib_char & 0xFF) })[0],
CharX = iconBlock.ib_xchar,
CharY = iconBlock.ib_ychar,
TextX = iconBlock.ib_xtext,
TextY = iconBlock.ib_ytext,
TextWidth = iconBlock.ib_wtext,
TextHeight = iconBlock.ib_htext,
Data = new byte[isize],
Mask = new byte[isize]
}
};
resourceStream.Read(colorIcons[i].Monochrome.Data, 0, isize);
// Because the image is stored as words, they get reversed on PC GEM (Little-endian)
if (!bigEndian)
{
byte[] data = new byte[colorIcons[i].Monochrome.Data.Length];
for (int d = 0; d < data.Length; d += 2)
{
data[d] = colorIcons[d].Monochrome.Data[d + 1];
data[d + 1] = colorIcons[d].Monochrome.Data[d];
}
colorIcons[i].Monochrome.Data = data;
}
resourceStream.Read(colorIcons[i].Monochrome.Mask, 0, isize);
// Because the mask is stored as words, they get reversed on PC GEM (Little-endian)
if (!bigEndian)
{
byte[] mask = new byte[colorIcons[i].Monochrome.Mask.Length];
for (int m = 0; m < mask.Length; m += 2)
{
mask[m] = colorIcons[m].Monochrome.Mask[m + 1];
mask[m + 1] = colorIcons[m].Monochrome.Mask[m];
}
colorIcons[i].Monochrome.Mask = mask;
}
if (iconBlock.ib_ptext > 0 && iconBlock.ib_ptext < resourceStream.Length)
{
long oldPosition = resourceStream.Position;
resourceStream.Position = iconBlock.ib_ptext;
List <byte> chars = new List <byte>();
while (true)
{
int character = resourceStream.ReadByte();
if (character <= 0)
{
break;
}
chars.Add((byte)character);
}
colorIcons[i].Monochrome.Text = StringHandlers.CToString(chars.ToArray(), encoding);
resourceStream.Position = oldPosition + 12;
}
else
{
byte[] ptext = new byte[12];
resourceStream.Read(ptext, 0, 12);
colorIcons[i].Monochrome.Text = StringHandlers.CToString(ptext, encoding);
}
colorIcons[i].Color = new ColorIconPlane[numRez];
for (int r = 0; r < numRez; r++)
{
byte[] data;
byte[] mask;
buffer = new byte[Marshal.SizeOf(typeof(ColorIconBlock))];
resourceStream.Read(buffer, 0, buffer.Length);
ColorIconBlock cib = BigEndianMarshal.ByteArrayToStructureBigEndian <ColorIconBlock>(buffer);
colorIcons[i].Color[r] = new ColorIconPlane
{
Planes = cib.num_planes,
Data = new byte[isize * cib.num_planes],
Mask = new byte[isize]
};
resourceStream.Read(colorIcons[i].Color[r].Data, 0, isize * cib.num_planes);
// Because the image is stored as words, they get reversed on PC GEM (Little-endian)
if (!bigEndian)
{
data = new byte[colorIcons[i].Color[r].Data.Length];
for (int d = 0; d < data.Length; d += 2)
{
data[d] = colorIcons[d].Color[r].Data[d + 1];
data[d + 1] = colorIcons[d].Color[r].Data[d];
}
colorIcons[i].Color[r].Data = data;
}
resourceStream.Read(colorIcons[i].Color[r].Mask, 0, isize);
// Because the mask is stored as words, they get reversed on PC GEM (Little-endian)
if (!bigEndian)
{
mask = new byte[colorIcons[i].Color[r].Mask.Length];
for (int m = 0; m < mask.Length; m += 2)
{
mask[m] = colorIcons[m].Color[r].Mask[m + 1];
mask[m + 1] = colorIcons[m].Color[r].Mask[m];
}
colorIcons[i].Color[r].Mask = mask;
}
if (cib.sel_data == 0)
{
continue;
}
colorIcons[i].Color[r].SelectedData = new byte[isize * cib.num_planes];
colorIcons[i].Color[r].SelectedMask = new byte[isize];
resourceStream.Read(colorIcons[i].Color[r].SelectedData, 0, isize * cib.num_planes);
// Because the image is stored as words, they get reversed on PC GEM (Little-endian)
if (!bigEndian)
{
data = new byte[colorIcons[i].Color[r].SelectedData.Length];
for (int d = 0; d < data.Length; d += 2)
{
data[d] = colorIcons[d].Color[r].SelectedData[d + 1];
data[d + 1] =
colorIcons[d].Color[r].SelectedData[d];
}
colorIcons[i].Color[r].SelectedData = data;
}
resourceStream.Read(colorIcons[i].Color[r].SelectedMask, 0, isize);
// Because the mask is stored as words, they get reversed on PC GEM (Little-endian)
if (bigEndian)
{
continue;
}
mask = new byte[colorIcons[i].Color[r].SelectedMask.Length];
for (int m = 0; m < mask.Length; m += 2)
{
mask[m] = colorIcons[m].Color[r].SelectedMask[m + 1];
mask[m + 1] = colorIcons[m].Color[r].SelectedMask[m];
}
colorIcons[i].Color[r].SelectedMask = mask;
}
}
return(colorIcons);
}
static Icon GetIconBlock(Stream resourceStream, byte[] buffer, bool bigEndian, Encoding encoding)
{
long oldPosition = resourceStream.Position;
IconBlock iconBlock = bigEndian
? BigEndianMarshal.ByteArrayToStructureBigEndian <IconBlock>(buffer)
: BigEndianMarshal.ByteArrayToStructureLittleEndian <IconBlock>(buffer);
Icon icon = new Icon
{
Width = iconBlock.ib_wicon,
Height = iconBlock.ib_hicon,
X = iconBlock.ib_xicon,
Y = iconBlock.ib_yicon,
ForegroundColor = (ObjectColors)((iconBlock.ib_char >> 12) & 0x000F),
BackgroundColor = (ObjectColors)((iconBlock.ib_char >> 8) & 0x000F),
Character = encoding.GetString(new[] { (byte)(iconBlock.ib_char & 0xFF) })[0],
CharX = iconBlock.ib_xchar,
CharY = iconBlock.ib_ychar,
TextX = iconBlock.ib_xtext,
TextY = iconBlock.ib_ytext,
TextWidth = iconBlock.ib_wtext,
TextHeight = iconBlock.ib_htext
};
if (iconBlock.ib_ptext > 0 && iconBlock.ib_ptext < resourceStream.Length)
{
resourceStream.Position = iconBlock.ib_ptext;
List <byte> chars = new List <byte>();
while (true)
{
int character = resourceStream.ReadByte();
if (character <= 0)
{
break;
}
chars.Add((byte)character);
}
icon.Text = StringHandlers.CToString(chars.ToArray(), encoding);
}
if (iconBlock.ib_pdata > 0 && iconBlock.ib_pdata < resourceStream.Length)
{
resourceStream.Position = iconBlock.ib_pdata;
icon.Data = new byte[icon.Width * icon.Height / 8];
resourceStream.Read(icon.Data, 0, icon.Data.Length);
// Because the image is stored as words, they get reversed on PC GEM (Little-endian)
if (!bigEndian)
{
byte[] data = new byte[icon.Data.Length];
for (int i = 0; i < data.Length; i += 2)
{
data[i] = icon.Data[i + 1];
data[i + 1] = icon.Data[i];
}
icon.Data = data;
}
}
if (iconBlock.ib_pmask > 0 && iconBlock.ib_pmask < resourceStream.Length)
{
resourceStream.Position = iconBlock.ib_pmask;
icon.Mask = new byte[icon.Width * icon.Height / 8];
resourceStream.Read(icon.Mask, 0, icon.Mask.Length);
// Because the mask is stored as words, they get reversed on PC GEM (Little-endian)
if (!bigEndian)
{
byte[] mask = new byte[icon.Mask.Length];
for (int i = 0; i < mask.Length; i += 2)
{
mask[i] = icon.Mask[i + 1];
mask[i + 1] = icon.Mask[i];
}
icon.Mask = mask;
}
}
resourceStream.Position = oldPosition;
return(icon);
}
