internal static void GeneratePostImageResizes(Bitmap sourceBitmap, Size size, int maximumLevel, Action <int, Bitmap> saveAction)
{
for (var level = maximumLevel; level >= 0; level--)
{
var targetSize = DeepZoomImage.ComputeLevelSize(size, level);
using (var resizedBitmap = DeepZoomImage.Resize(sourceBitmap, targetSize.Width, targetSize.Height))
{
saveAction(level, resizedBitmap);
}
}
}
internal static void SlicePostImage(int postId, Size size, int maximumLevel, string extension, string fileNameIdFormat, ImageFormat imageFormat, int tileSize, int tileOverlap)
{
var workingPath = Path.GetFullPath(WorkingFolderName);
var outputPath = Path.GetFullPath(OutputFolderName);
var relativeBinnedImageFolder = Post.ComputeBinnedPath(postId, null, fileNameIdFormat) + "_files";
var absoluteBinnedImageFolder = Path.Combine(workingPath, relativeBinnedImageFolder);
var absoluteBinnedOutputImageFolder = Path.Combine(outputPath, relativeBinnedImageFolder);
for (var level = maximumLevel; level >= 0; level--)
{
var levelName = Convert.ToString(level, 10);
var targetSize = DeepZoomImage.ComputeLevelSize(size, level);
var tileFiles = new List <Stream> ();
var inputLevelImageFile = Path.ChangeExtension(levelName, extension);
var inputLevelImagePath = Path.Combine(absoluteBinnedImageFolder, inputLevelImageFile);
var outputLevelFolder = Path.Combine(absoluteBinnedOutputImageFolder, levelName);
Directory.CreateDirectory(outputLevelFolder);
var tiles = DeepZoomImage.ComputeTiles(targetSize, tileSize, tileOverlap);
using (var inputStream =
new FileStream(inputLevelImagePath, FileMode.Open, FileAccess.Read, FileShare.Read))
using (var levelBitmap = new Bitmap(inputStream))
{
DeepZoomImage.Slice(levelBitmap, tiles, imageFormat, tileName =>
{
var tileFileName = Path.ChangeExtension(tileName, extension);
var tilePath = Path.Combine(outputLevelFolder, tileFileName);
var stream =
new FileStream(tilePath, FileMode.Create, FileAccess.Write, FileShare.Read);
tileFiles.Add(stream);
return(stream);
}
);
}
foreach (var stream in tileFiles)
{
stream.Close();
}
}
}