public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
BinaryResource resource = value as BinaryResource;
if (resource == null)
{
return(null);
}
MemoryStream tempStream = new MemoryStream(resource.Buffer);
var tempIcon = new System.Windows.Media.Imaging.BitmapImage();
tempIcon.BeginInit();
tempIcon.StreamSource = tempStream;
tempIcon.EndInit();
return(tempIcon);
}
private void _TestBinaryResource
(
int mfn
)
{
IrbisConnection connection = Connection
.ThrowIfNull("Connection");
MarcRecord record = connection.ReadRecord(mfn);
BinaryResource[] resources
= BinaryResource.Parse(record);
for (int i = 0; i < resources.Length; i++)
{
BinaryResource resource = resources[i];
string fileName = string.Format
(
"res{0:00000}-{1}.{2}",
mfn,
(i + 1),
resource.Kind
);
string filePath = Path.Combine
(
Path.GetTempPath(),
fileName
);
byte[] array = resource.Decode();
File.WriteAllBytes
(
filePath,
array
);
Write
(
"{0} ",
filePath
);
}
}
public bool Read(Stream stream)
{
try
{
BinaryReader reader = new BinaryReader(stream);
// read header
ulong magicNumber = reader.ReadUInt64();
byte formatVersion = reader.ReadByte();
byte[] md5hash = reader.ReadBytes(16);
uint reserved = reader.ReadUInt32();
uint fileLength = reader.ReadUInt32();
uint offsetToContent = reader.ReadUInt32();
uint numContentItems = reader.ReadUInt32();
// Signing
CheckSignature(stream, reader, offsetToContent);
// Construct BinaryReadInfo
BinaryReadInfo readInfo = new BinaryReadInfo()
{
FormatVersion = formatVersion,
IsSigned = isSigned,
IsSignatureValid = validSignature,
IsCertificateTrusted = certificateTrusted
};
var componentDescriptions = new List<ComponentResource>();
// Load content
for (uint contentCounter = 0; contentCounter < numContentItems; contentCounter++)
{
var itemType = (BinaryConstants.ContentItemType)reader.ReadUInt16();
if (itemType == BinaryConstants.ContentItemType.Resource)
{
var item = new BinaryResource();
item.Read(reader, readInfo);
Items.Add(item);
Resources.Add(item);
}
else if (itemType == BinaryConstants.ContentItemType.Component)
{
var item = new ComponentResource();
item.Read(reader, readInfo);
Items.Add(item);
componentDescriptions.Add(item);
}
else
{
// Unknown item type
continue;
}
}
// Process images
Dictionary<uint, MultiResolutionImage> images = new Dictionary<uint, MultiResolutionImage>();
foreach(var resource in Resources)
{
if (resource.ResourceType == BinaryResourceType.BitmapImage
|| resource.ResourceType == BinaryResourceType.JPEGImage
|| resource.ResourceType == BinaryResourceType.PNGImage
|| true)
{
if (!images.ContainsKey(resource.ID))
images.Add(resource.ID, new MultiResolutionImage());
images[resource.ID].Add(new SingleResolutionImage()
{
MimeType = BinaryConstants.ResourceMimeTypeToString((uint)resource.ResourceType),
Data = resource.Buffer
});
}
}
// Add component descriptions
foreach(var componentDescription in componentDescriptions)
{
componentDescription.SetIcons(images);
ComponentDescriptions.Add(componentDescription.ComponentDescription);
}
return true;
}
catch (Exception)
{
// Invalid binary file
return false;
}
}
public bool Read(Stream stream)
{
try
{
BinaryReader reader = new BinaryReader(stream);
// read header
ulong magicNumber = reader.ReadUInt64();
byte formatVersion = reader.ReadByte();
byte[] md5hash = reader.ReadBytes(16);
uint reserved = reader.ReadUInt32();
uint fileLength = reader.ReadUInt32();
uint offsetToContent = reader.ReadUInt32();
uint numContentItems = reader.ReadUInt32();
// Signing
CheckSignature(stream, reader, offsetToContent);
// Construct BinaryReadInfo
BinaryReadInfo readInfo = new BinaryReadInfo()
{
FormatVersion = formatVersion,
IsSigned = isSigned,
IsSignatureValid = validSignature,
IsCertificateTrusted = certificateTrusted
};
var componentDescriptions = new List <ComponentResource>();
// Load content
for (uint contentCounter = 0; contentCounter < numContentItems; contentCounter++)
{
var itemType = (BinaryConstants.ContentItemType)reader.ReadUInt16();
if (itemType == BinaryConstants.ContentItemType.Resource)
{
var item = new BinaryResource();
item.Read(reader, readInfo);
Items.Add(item);
Resources.Add(item);
}
else if (itemType == BinaryConstants.ContentItemType.Component)
{
var item = new ComponentResource();
item.Read(reader, readInfo);
Items.Add(item);
componentDescriptions.Add(item);
}
else
{
// Unknown item type
continue;
}
}
// Process images
Dictionary <uint, MultiResolutionImage> images = new Dictionary <uint, MultiResolutionImage>();
foreach (var resource in Resources)
{
if (resource.ResourceType == BinaryResourceType.BitmapImage ||
resource.ResourceType == BinaryResourceType.JPEGImage ||
resource.ResourceType == BinaryResourceType.PNGImage ||
true)
{
if (!images.ContainsKey(resource.ID))
{
images.Add(resource.ID, new MultiResolutionImage());
}
images[resource.ID].Add(new SingleResolutionImage()
{
MimeType = BinaryConstants.ResourceMimeTypeToString((uint)resource.ResourceType),
Data = resource.Buffer
});
}
}
// Add component descriptions
foreach (var componentDescription in componentDescriptions)
{
componentDescription.SetIcons(images);
ComponentDescriptions.Add(componentDescription.ComponentDescription);
}
return(true);
}
catch (Exception)
{
// Invalid binary file
return(false);
}
}
