public LayerBitmapInfoChunk(BufferedBinaryReader br, PSPCompression compression, ushort majorVersion)
{
long startOffset = br.Position;
this.chunkSize = br.ReadUInt32();
this.bitmapCount = br.ReadUInt16();
this.channelCount = br.ReadUInt16();
this.channels = new ChannelSubBlock[this.channelCount];
long dif = this.chunkSize - (br.Position - startOffset);
if (dif > 0L)
{
br.Position += dif;
}
for (int i = 0; i < this.channelCount; i++)
{
uint head = br.ReadUInt32();
if (head != PSPConstants.blockIdentifier)
{
throw new FormatException(Properties.Resources.InvalidBlockSignature);
}
ushort blockID = br.ReadUInt16();
PSPUtil.CheckBlockType(blockID, PSPBlockID.Channel);
#pragma warning disable IDE0059 // Value assigned to symbol is never used
uint size = br.ReadUInt32();
#pragma warning restore IDE0059 // Value assigned to symbol is never used
this.channels[i] = new ChannelSubBlock(br, compression, majorVersion);
}
}
public CompositeImageBlock(BufferedBinaryReader br, ushort majorVersion)
{
this.blockSize = br.ReadUInt32();
this.attrChunkCount = br.ReadUInt32();
long dif = (long)this.blockSize - HeaderSize;
if (dif > 0)
{
br.Position += dif;
}
this.attrChunks = new CompositeImageAttributesChunk[(int)this.attrChunkCount];
for (int i = 0; i < this.attrChunkCount; i++)
{
uint blockSig = br.ReadUInt32();
if (blockSig != PSPConstants.blockIdentifier)
{
throw new FormatException(Properties.Resources.InvalidBlockSignature);
}
ushort blockType = br.ReadUInt16();
PSPUtil.CheckBlockType(blockType, PSPBlockID.CompositeImageAttributes);
#pragma warning disable IDE0059 // Value assigned to symbol is never used
uint attrChunkLength = br.ReadUInt32();
#pragma warning restore IDE0059 // Value assigned to symbol is never used
this.attrChunks[i] = new CompositeImageAttributesChunk(br);
}
for (int i = 0; i < this.attrChunkCount; i++)
{
uint blockSig = br.ReadUInt32();
if (blockSig != PSPConstants.blockIdentifier)
{
throw new FormatException(Properties.Resources.InvalidBlockSignature);
}
PSPBlockID blockType = (PSPBlockID)br.ReadUInt16();
#pragma warning disable IDE0059 // Value assigned to symbol is never used
uint chunkLength = br.ReadUInt32();
#pragma warning restore IDE0059 // Value assigned to symbol is never used
switch (blockType)
{
case PSPBlockID.CompositeImage:
this.imageChunk = new CompositeImageInfoChunk(br, this.attrChunks[i], majorVersion);
break;
case PSPBlockID.JPEGImage:
this.jpegChunk = new JPEGCompositeInfoChunk(br);
break;
}
}
if (this.jpegChunk.imageData != null)
{
using (MemoryStream ms = new MemoryStream(this.jpegChunk.imageData))
{
using (System.Drawing.Bitmap th = new System.Drawing.Bitmap(ms))
{
Debug.WriteLine(string.Format("JPEG thumbnail size: {0}x{1}", th.Width, th.Height));
}
}
}
}