private void ConnectPage(PageObject page, BBeB book)
{
Debug.WriteLineIf(s_bDebugMode, "Connecting page: " + page.ID);
UInt32ArrayTag childIDs = (UInt32ArrayTag)page.FindFirstTag(TagId.PageObjectIds);
if (childIDs != null)
{
foreach (uint id in childIDs.Value)
{
BBeBObject child = book.FindObject((ushort)id);
if (child == null)
{
throw new InvalidBookException("Can't find object id " + id);
}
Debug.Assert(child.ID == id);
Debug.WriteLineIf(s_bDebugMode, " Child: " + child.GetType().ToString() + " - id:" + child.ID);
page.Children.Add(child);
}
}
UInt32Tag objInfoTag = (UInt32Tag)page.FindFirstTag(TagId.ObjectInfoLink);
if (objInfoTag != null)
{
page.InfoObj = book.FindObject((ushort)objInfoTag.Value);
if (page.InfoObj == null)
{
throw new InvalidBookException("Can't find info object id " + objInfoTag.Value);
}
}
StreamTagGroup stream = (StreamTagGroup)page.FindFirstTag(TagId.StreamGroup);
if (stream != null)
{
BBeBObject tempObj = new BBeBObject(0x0);
page.StreamTags = BBeBTagFactory.ParseAllTags(tempObj, stream.Data);
}
UInt32Tag linkTag = (UInt32Tag)page.FindFirstTag(TagId.Link);
if (linkTag != null)
{
BBeBObject linkedObj = book.FindObject((ushort)linkTag.Value);
if (linkedObj == null)
{
throw new InvalidBookException("Can't find object id " + linkTag.Value);
}
page.LinkObj = linkedObj;
}
}
private void write(ImageObject obj)
{
// Get image details
UInt16ArrayTag rect = (UInt16ArrayTag)obj.FindFirstTag(TagId.ImageRect);
UInt16ArrayTag size = (UInt16ArrayTag)obj.FindFirstTag(TagId.ImageSize);
UInt32Tag streamId = (UInt32Tag)obj.FindFirstTag(TagId.ImageStream);
int x = rect.Value[0];
int y = rect.Value[1];
int w = rect.Value[2];
int h = rect.Value[3];
ushort imageId = (ushort)streamId.Value;
ImageStreamObject imageObj = (ImageStreamObject)book.FindObject(imageId);
string type = ImageObject.getImageTypeAsString(imageObj.Contents);
MemoryStream memStream = new MemoryStream(imageObj.Data);
Bitmap image = new Bitmap(memStream);
ImageInfo info = new ImageInfo();
info.image = image;
info.position = new Rectangle(x, y, w, h);
// @@IMAGENAME@@ will be replaced during save with the name of the file
info.name = "@@IMAGENAME@@_" + (images.Count + 1);
info.type = type;
images.Add(info);
handleImage(info);
}
private void ConnectPageTree(BBeB book)
{
Debug.WriteLineIf(s_bDebugMode, "Connecting page tree");
PageTreeObject pageTree = (PageTreeObject)book.FindFirstObject(typeof(PageTreeObject));
if (pageTree == null)
{
throw new InvalidBookException("Couldn't find the required PageTree object");
}
UInt32ArrayTag pageListTag = (UInt32ArrayTag)pageTree.FindFirstTag(TagId.PageList);
if (pageListTag == null)
{
throw new InvalidBookException("Couldn't find the required PageList tag");
}
foreach (uint id in pageListTag.Value)
{
PageObject page = (PageObject)book.FindObject((ushort)id);
if (page == null)
{
throw new InvalidBookException("Can't find page id " + id);
}
pageTree.Pages.Add(page);
}
}
private void SerializeHeader(BBeB book, BBeBinaryWriter writer)
{
BBeBHeader header = book.Header;
TocObject tocObject = (TocObject)book.FindObject((ushort)header.dwTocObjectId);
if (tocObject == null)
{
throw new InvalidBookException("Can't find the TOC object");
}
writer.Write(header.signature);
writer.Write(header.wVersion);
writer.Write(header.wPseudoEncByte);
writer.Write(header.dwRootObjectId);
writer.Write(header.NumberOfObjects);
m_dwIndexOffsetVal = writer.Position;
writer.Write(header.ObjectIndexOffset);
writer.Write(header.dwUnknown1);
writer.Write(header.byBindingDir);
writer.Write(header.byPadding1);
writer.Write(header.wDPI);
writer.Write(header.wPadding2);
writer.Write(header.wScreenWidth);
writer.Write(header.wScreenHeight);
writer.Write(header.byColorDepth);
writer.Write(header.byPadding3);
writer.Write(header.byUnkonwn2);
writer.Write(header.dwTocObjectId);
writer.WriteStreamOffsetReference(tocObject);
// This may seem a little wasteful as we actually serialize the MetaData object twice
// Once here and onces when we actualy write it to the stream, however we need to set
// the compressed size in the header and we can only do it by compressing it first.
// Really we should store the compressed byte stream and just save that out
// but its not very big so the overhead is quite small
{
MemoryStream mem = new MemoryStream();
BinaryWriter sw = new BinaryWriter(mem);
header.wDocInfoCompSize = (ushort)(SerializeMetaData(book.MetaData, sw) + 4);
}
writer.Write(header.wDocInfoCompSize);
Debug.Assert(writer.Position == 0x4E);
if (header.wVersion >= 800)
{
writer.Write(header.wThumbnailFlags);
writer.Write(header.dwThumbSize);
Debug.Assert(writer.Position == 0x54);
}
}
private void ConnectBlock(BlockObject block, BBeB book)
{
UInt32Tag linkTag = (UInt32Tag)block.FindFirstTag(TagId.Link);
if (linkTag == null)
{
throw new InvalidBookException("Can't find link for block " + block.ID);
}
block.LinkObj = book.FindObject((ushort)linkTag.Value);
if (block.LinkObj == null)
{
throw new InvalidBookException("Can't find object id " + linkTag.Value);
}
}
private void ConnectText(TextObject text, BBeB book)
{
UInt32Tag linkTag = (UInt32Tag)text.FindFirstTag(TagId.Link);
if (linkTag == null)
{
throw new InvalidBookException("Can't find link for block " + text.ID);
}
BBeBObject LinkObj = book.FindObject((ushort)linkTag.Value);
if (LinkObj == null)
{
throw new InvalidBookException("Can't find object id " + linkTag.Value);
}
}