public string CacheImage(Guid id, Image image)
{
var imageSet = GetOrCreateImageSet(id);
lock (imageSet) {
if (imageSet != null) {
ClearImageSet(imageSet);
}
ImageInfo info = new ImageInfo(imageSet);
info.Width = image.Width;
info.Height = image.Height;
info.ImageFormat = image.RawFormat.Equals(ImageFormat.MemoryBmp) ? ImageFormat.Png : image.RawFormat; //image was processed - may have transparency
info.Date = DateTime.UtcNow;
imageSet.PrimaryImage = info;
try {
using (var fs = ProtectedFileStream.OpenExclusiveWriter(info.Path)) {
image.Save(fs, info.ImageFormat);
}
} catch {
try { File.Delete(info.Path); }
catch {
//cleanup
}
// weird bug, some images on tvdb will not save as jpegs
try {
//Logger.ReportVerbose("Saving as png..");
info.ImageFormat = ImageFormat.Png;
image.Save(info.Path, ImageFormat.Png);
}
catch {
try { File.Delete(info.Path); } catch {
//cleanup
}
// give up
imageSet.PrimaryImage = null;
throw;
}
}
return info.Path;
}
}
private ImageInfo ResizeImage(ImageSet set, int width, int height)
{
lock (set) {
ImageInfo info = new ImageInfo(set);
info.Width = width;
info.Height = height;
info.Date = DateTime.UtcNow;
info.ImageFormat = set.PrimaryImage.ImageFormat;
set.ResizedImages.Add(info);
using (System.Drawing.Bitmap bmp = (System.Drawing.Bitmap)System.Drawing.Bitmap.FromFile(set.PrimaryImage.Path))
using (System.Drawing.Bitmap newBmp = new System.Drawing.Bitmap(width, height))
using (System.Drawing.Graphics graphic = System.Drawing.Graphics.FromImage(newBmp)) {
graphic.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
graphic.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
graphic.PixelOffsetMode = System.Drawing.Drawing2D.PixelOffsetMode.HighQuality;
graphic.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
graphic.DrawImage(bmp, 0, 0, width, height);
MemoryStream ms = new MemoryStream();
newBmp.Save(ms, info.ImageFormat);
using (var fs = ProtectedFileStream.OpenExclusiveWriter(info.Path)) {
BinaryWriter bw = new BinaryWriter(fs);
bw.Write(ms.ToArray());
}
}
return info;
}
}
public ImageInfo GetPrimaryImageInfo(Guid id)
{
var cmd = connection.CreateCommand();
cmd.CommandText = "select width, height, updated from images where guid = @guid order by width desc";
cmd.AddParam("@guid", id.ToString());
ImageInfo info = null;
using (var reader = cmd.ExecuteReader())
{
if (reader.Read())
{
info = new ImageInfo(null);
info.Width = Convert.ToInt32(reader[0]);
info.Height = Convert.ToInt32(reader[1]);
info.Date = DateTime.Parse(reader[2].ToString());
}
reader.Close();
}
return info;
}
private void AddToCache(IMediaLocation item)
{
if (item is IFolderMediaLocation) {
return;
}
var extension = System.IO.Path.GetExtension(item.Path).ToLower();
ImageFormat imageFormat = null;
if (extension == ".png") {
imageFormat = ImageFormat.Png;
} else if (extension == ".jpg") {
imageFormat = ImageFormat.Jpeg;
} else if (extension == ".gif") {
imageFormat = ImageFormat.Gif;
}
else if (extension == ".bmp")
{
imageFormat = ImageFormat.Bmp;
}
else
{
// bad file in image cache
File.Delete(item.Path);
return;
}
var match = infoRegex.Match(item.Name);
if (match == null || match.Groups[1].Value == null) {
// bad file
File.Delete(item.Path);
return;
}
bool isPrimary = match.Groups[1].Value == "z";
Guid id = new Guid(match.Groups[2].Value);
int width = -1;
int height = -1;
if (!string.IsNullOrEmpty(match.Groups[3].Value)) {
width = Int32.Parse(match.Groups[3].Value);
}
if (!string.IsNullOrEmpty(match.Groups[4].Value)) {
height = Int32.Parse(match.Groups[4].Value);
}
var imageSet = GetImageSet(id);
if (imageSet == null) {
imageSet = new ImageSet(this, id);
imageInfoCache[id] = imageSet;
}
var info = new ImageInfo(imageSet);
info.ImageFormat = imageFormat;
info.Date = item.DateModified > item.DateCreated ? item.DateModified : item.DateCreated;
//upgrade logic
if (width == -1 || height == -1) {
Image image = Image.FromFile(item.Path);
isPrimary = true;
info.Width = image.Width;
info.Height = image.Height;
imageSet.PrimaryImage = info;
image.Dispose();
File.Move(item.Path, info.Path);
} else {
info.Width = width;
info.Height = height;
}
if (isPrimary) {
imageSet.PrimaryImage = info;
} else {
imageSet.ResizedImages.Add(info);
}
}
public string GetImagePath(Guid id)
{
ImageInfo info = GetPrimaryImageInfo(id);
if (info == null) info = new ImageInfo(null);
return GetImagePath(id, info.Width, info.Height);
}
