private void LoadPSPFile(Stream input)
{
byte[] sigBytes = new byte[32];
input.ProperRead(sigBytes, 0, sigBytes.Length);
if (!CheckSig(sigBytes))
{
throw new FormatException(Properties.Resources.InvalidPSPFile);
}
using (BufferedBinaryReader reader = new BufferedBinaryReader(input))
{
this.fileHeader = new FileHeader(reader);
while (reader.Position < reader.Length)
{
uint blockSig = reader.ReadUInt32();
if (blockSig != PSPConstants.blockIdentifier)
{
throw new FormatException(Properties.Resources.InvalidBlockSignature);
}
PSPBlockID blockID = (PSPBlockID)reader.ReadUInt16();
uint initialBlockLength = this.fileHeader.Major <= PSPConstants.majorVersion5 ? reader.ReadUInt32() : 0;
uint blockLength = reader.ReadUInt32();
switch (blockID)
{
case PSPBlockID.ImageAttributes:
this.imageAttributes = new GeneralImageAttributes(reader, this.fileHeader.Major);
break;
case PSPBlockID.Creator:
this.creator = new CreatorBlock(reader, blockLength);
break;
case PSPBlockID.ColorPalette:
this.globalPalette = new ColorPaletteBlock(reader, this.fileHeader.Major);
break;
case PSPBlockID.LayerStart:
this.layerBlock = new LayerBlock(reader, this.imageAttributes, this.fileHeader.Major);
break;
case PSPBlockID.ExtendedData:
this.extData = new ExtendedDataBlock(reader, blockLength);
break;
#if DEBUG
case PSPBlockID.CompositeImageBank:
this.compImage = new CompositeImageBlock(reader, this.fileHeader.Major);
break;
#endif
default:
reader.Position += blockLength;
break;
}
}
}
}
public PSPFile()
{
this.fileHeader = null;
this.imageAttributes = null;
this.extData = null;
this.creator = null;
this.compImage = null;
this.globalPalette = null;
this.layerBlock = null;
this.v5Thumbnail = null;
}
