internal void Generate ()
{
using (var tagsConnection = new SqlConnection(_settings.DatabaseConnectionString))
using (var postsConnection = new SqlConnection (_settings.DatabaseConnectionString))
{
tagsConnection.Open ();
postsConnection.Open ();
var tagRepository = new TagRepository (tagsConnection);
var postRepository = new PostRepository (postsConnection);
#region Phase 1: Convert Posts (collection items) into temporary raw artifacts
CleanWorkingFolder ();
CreateRawItems (postRepository);
GeneratePostImageResizes (postRepository);
#endregion
#region Phase 2: Slice Post (collection item) images to create final .dzi files and sub-folders
GenerateImageSlices (postRepository);
GenerateImageManifests (postRepository);
#endregion
#region Phase 3: Convert Tags (collections) into final .cxml and .dzc files
AssembleCollections (tagRepository, postRepository);
#endregion
}
}
internal void CreateRawItems (PostRepository postRepository)
{
var workingPath = _settings.AbsoluteWorkingFolder;
Directory.CreateDirectory (workingPath);
Page template;
using (var stream = AssemblyExtensions.OpenScopedResourceStream<Program> ("Template.xaml"))
{
template = (Page) XamlReader.Load (stream);
template.Width = _settings.ItemImageSize.Width;
template.Height = _settings.ItemImageSize.Height;
}
var imageFormat = _settings.PostImageEncoding;
var imageExtension = imageFormat.GetName ();
var posts = postRepository.RetrievePosts ();
foreach (var post in posts)
{
var relativeBinnedXmlPath = post.ComputeBinnedPath (".xml", _settings.FileNameIdFormat);
var absoluteBinnedXmlPath = Path.Combine (workingPath, relativeBinnedXmlPath);
Directory.CreateDirectory (Path.GetDirectoryName (absoluteBinnedXmlPath));
var element = PivotizePost (post);
using (var outputStream = absoluteBinnedXmlPath.CreateWriteStream ())
{
using (var writer = new ItemWriter (outputStream, _settings.XmlWriterSettings))
{
element.Save (writer);
}
}
var relativeBinnedImagePath = post.ComputeBinnedPath (imageExtension, _settings.FileNameIdFormat);
var absoluteBinnedImagePath = Path.Combine (workingPath, relativeBinnedImagePath);
Directory.CreateDirectory (Path.GetDirectoryName (absoluteBinnedImagePath));
using (var outputStream = absoluteBinnedImagePath.CreateWriteStream ())
{
ImagePost (post, template, imageFormat, outputStream);
}
}
}
internal void GeneratePostImageResizes (PostRepository postRepository)
{
var dzi = new DeepZoomImage (_settings);
var workingPath = _settings.AbsoluteWorkingFolder;
var imageFormat = _settings.PostImageEncoding;
var extension = imageFormat.GetName ();
var fileNameIdFormat = _settings.FileNameIdFormat;
foreach (var postId in postRepository.RetrievePostIds ())
{
var relativeBinnedImagePath = Post.ComputeBinnedPath (postId, extension, fileNameIdFormat);
var absoluteBinnedImagePath = Path.Combine (workingPath, relativeBinnedImagePath);
var relativeBinnedImageFolder = Post.ComputeBinnedPath (postId, null, fileNameIdFormat) + "_files";
var absoluteBinnedImageFolder = Path.Combine (workingPath, relativeBinnedImageFolder);
Directory.CreateDirectory (absoluteBinnedImageFolder);
using (var inputStream = absoluteBinnedImagePath.CreateReadStream ())
using (var sourceBitmap = new Bitmap (inputStream))
{
dzi.GeneratePostImageResizes (sourceBitmap, (level, resizedBitmap) =>
{
var levelImageName = "{0}.{1}".FormatInvariant (level, extension);
var levelImagePath = Path.Combine (absoluteBinnedImageFolder, levelImageName);
using (var outputStream = levelImagePath.CreateReadStream ())
{
resizedBitmap.Save (outputStream, imageFormat);
}
}
);
}
}
}
internal void GenerateImageSlices(PostRepository postRepository)
{
var dzi = new DeepZoomImage (_settings);
foreach (var postId in postRepository.RetrievePostIds ())
{
dzi.SlicePostImage (postId);
}
}
internal void AssembleCollections (TagRepository tagRepository, PostRepository postRepository)
{
var dzc = new DeepZoomCollection (_settings);
var tags = tagRepository.RetrieveTags ();
foreach (var tag in tags)
{
var postIds = new List<int> (postRepository.RetrievePostIds (tag.Id));
dzc.PivotizeTag (tag, postIds);
dzc.CreateCollectionManifest (tag, postIds);
dzc.CreateCollectionTiles (tag, postIds);
}
}
public static int Main (string[] args)
{
// TODO: initialize Settings instance from app.config and/or command-line
var settings = new Settings
{
ItemImageSize = new Size(800, 400),
TileSize = 254,
TileOverlap = 1,
/*
DatabaseConnectionString = "Data Source=Blackberry;Initial Catalog=SuperUser;Integrated Security=True",
SiteDomain = "superuser.com",
MaximumNumberOfItems = 185520,
HighestId = 207698,
*/
DatabaseConnectionString = "Data Source=Blackberry;Initial Catalog=Photography;Integrated Security=True",
SiteDomain = "photo.stackexchange.com",
MaximumNumberOfItems = 936,
HighestId = 4479,
PostImageEncoding = ImageFormat.Png,
};
using (var tagsConnection = new SqlConnection(settings.DatabaseConnectionString))
using (var postsConnection = new SqlConnection (settings.DatabaseConnectionString))
{
tagsConnection.Open ();
postsConnection.Open ();
var tagRepository = new TagRepository (tagsConnection);
var postRepository = new PostRepository (postsConnection);
#region Phase 1: Convert Posts (collection items) into temporary raw artifacts
CleanWorkingFolder ();
CreateRawItems (settings, postRepository);
GeneratePostImageResizes (settings, postRepository);
#endregion
#region Phase 2: Slice Post (collection item) images to create final .dzi files and sub-folders
GenerateImageSlices (settings, postRepository);
GenerateImageManifests (settings, postRepository);
#endregion
#region Phase 3: Convert Tags (collections) into final .cxml and .dzc files
AssembleCollections (settings, tagRepository, postRepository);
#endregion
}
return 0;
}
internal void GenerateImageManifests (PostRepository postRepository)
{
var fileNameIdFormat = _settings.FileNameIdFormat;
var imageNode = _settings.GenerateImageManifest ();
var sb = new StringBuilder ();
using (var writer = XmlWriter.Create (sb, _settings.XmlWriterSettings))
{
Debug.Assert (writer != null);
imageNode.WriteTo (writer);
}
var imageManifest = sb.ToString ();
foreach (var postId in postRepository.RetrievePostIds ())
{
var relativeBinnedImageManifestPath = Post.ComputeBinnedPath (postId, "dzi", fileNameIdFormat);
var absoluteBinnedImageManifestPath =
Path.Combine (_settings.AbsoluteOutputFolder, relativeBinnedImageManifestPath);
Directory.CreateDirectory (Path.GetDirectoryName (absoluteBinnedImageManifestPath));
File.WriteAllText (absoluteBinnedImageManifestPath, imageManifest, Encoding.UTF8);
}
}
internal static void PivotizeTag (PostRepository postRepository, Tag tag, Settings settings)
{
var workingPath = Path.GetFullPath (WorkingFolderName);
var outputPath = Path.GetFullPath (OutputFolderName);
var relativeBinnedCxmlPath = tag.ComputeBinnedPath (".cxml");
var absoluteBinnedCxmlPath = Path.Combine (outputPath, relativeBinnedCxmlPath);
Directory.CreateDirectory (Path.GetDirectoryName (absoluteBinnedCxmlPath));
using (var outputStream
= new FileStream (absoluteBinnedCxmlPath, FileMode.Create, FileAccess.Write, FileShare.Read))
{
var postIds = postRepository.RetrievePostIds (tag.Id);
var streamReaders = postIds.Map (postId =>
{
var relativeBinnedXmlPath = Post.ComputeBinnedPath (postId, ".xml", settings.FileNameIdFormat);
var absoluteBinnedXmlPath = Path.Combine (workingPath, relativeBinnedXmlPath);
var sr = new StreamReader (absoluteBinnedXmlPath);
return sr;
}
);
PivotizeTag (tag, streamReaders, outputStream, settings.SiteDomain);
}
}
internal static void GeneratePostImageResizes (Settings settings, PostRepository postRepository)
{
var size = settings.ItemImageSize;
var maximumLevel = DeepZoomImage.DetermineMaximumLevel (size);
var workingPath = Path.GetFullPath (WorkingFolderName);
var imageFormat = settings.PostImageEncoding;
var extension = imageFormat.ToString ().ToLower ();
var fileNameIdFormat = settings.FileNameIdFormat;
foreach (var postId in postRepository.RetrievePostIds ())
{
var relativeBinnedImagePath = Post.ComputeBinnedPath (postId, extension, fileNameIdFormat);
var absoluteBinnedImagePath = Path.Combine (workingPath, relativeBinnedImagePath);
var relativeBinnedImageFolder = Post.ComputeBinnedPath (postId, null, fileNameIdFormat) + "_files";
var absoluteBinnedImageFolder = Path.Combine (workingPath, relativeBinnedImageFolder);
Directory.CreateDirectory (absoluteBinnedImageFolder);
using (var inputStream =
new FileStream (absoluteBinnedImagePath, FileMode.Open, FileAccess.Read, FileShare.Read))
using (var sourceBitmap = new Bitmap (inputStream))
{
GeneratePostImageResizes (sourceBitmap, size, maximumLevel, (level, resizedBitmap) =>
{
var levelImageName = "{0}.{1}".FormatInvariant (level, extension);
var levelImagePath = Path.Combine (absoluteBinnedImageFolder, levelImageName);
using (var outputStream =
new FileStream (levelImagePath, FileMode.Create, FileAccess.Write, FileShare.Read))
{
resizedBitmap.Save (outputStream, imageFormat);
}
}
);
}
}
}
internal static void AssembleCollections (Settings settings, TagRepository tagRepository, PostRepository postRepository)
{
var outputPath = Path.GetFullPath (OutputFolderName);
var imageFormat = settings.PostImageEncoding;
var imageFormatName = imageFormat.ToString ().ToLower ();
var fileNameIdFormat = settings.FileNameIdFormat;
var width = settings.ItemImageSize.Width;
var height = settings.ItemImageSize.Height;
var tags = tagRepository.RetrieveTags ();
foreach (var tag in tags)
{
// TODO: consider using postIds, currently computed below
PivotizeTag (postRepository, tag, settings);
var postIds = new List<int> (postRepository.RetrievePostIds (tag.Id));
var relativePathToCollectionManifest = Tag.ComputeBinnedPath (tag.Name, ".dzc");
var absolutePathToCollectionManifest = Path.Combine (outputPath, relativePathToCollectionManifest);
var relativePathToRoot = relativePathToCollectionManifest.RelativizePath ();
CreateCollectionManifest (postIds, absolutePathToCollectionManifest, imageFormatName, relativePathToRoot,
fileNameIdFormat, width, height);
CreateCollectionTiles (tag, outputPath, postIds, imageFormat, fileNameIdFormat, outputPath);
}
}
internal static void GenerateImageSlices(Settings settings, PostRepository postRepository)
{
var size = settings.ItemImageSize;
var maximumLevel = DeepZoomImage.DetermineMaximumLevel (size);
var imageFormat = settings.PostImageEncoding;
var imageExtension = imageFormat.ToString ().ToLower ();
var fileNameIdFormat = settings.FileNameIdFormat;
foreach (var postId in postRepository.RetrievePostIds ())
{
SlicePostImage (postId, size, maximumLevel, imageExtension, fileNameIdFormat, imageFormat, settings.TileSize, settings.TileOverlap);
}
}
internal static void GenerateImageManifests (Settings settings, PostRepository postRepository)
{
var outputPath = Path.GetFullPath (OutputFolderName);
var fileNameIdFormat = settings.FileNameIdFormat;
var imageNode = GenerateImageManifest (settings.TileSize, settings.TileOverlap,
settings.PostImageEncoding.ToString ().ToLower (),
settings.ItemImageSize.Width, settings.ItemImageSize.Height);
var sb = new StringBuilder ();
using (var writer = XmlWriter.Create (sb, WriterSettings))
{
Debug.Assert (writer != null);
imageNode.WriteTo (writer);
}
var imageManifest = sb.ToString ();
foreach (var postId in postRepository.RetrievePostIds ())
{
var relativeBinnedImageManifestPath = Post.ComputeBinnedPath (postId, "dzi", fileNameIdFormat);
var absoluteBinnedImageManifestPath = Path.Combine (outputPath, relativeBinnedImageManifestPath);
Directory.CreateDirectory (Path.GetDirectoryName (absoluteBinnedImageManifestPath));
File.WriteAllText (absoluteBinnedImageManifestPath, imageManifest, Encoding.UTF8);
}
}
