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WPF Book Reader

, 10 May 2012 GPL3 68.4K 2.8K 119
A WPF book reader for cbz/cbr files
BookReaderv1.zip
BookReader.exe.manifest
ICSharpCode.SharpZipLib.dll
SevenZipSharp.dll
WPFToolkit.dll
Dependencies
7z.dll
BookReader.application
BookReader.exe
BookReaderv1_source.zip
BookReader
ClassDiagram.cd
Dependencies
7-zip.dll
7z.dll
ICSharpCode.SharpZipLib.dll
SevenZipSharp.dll
WPFToolkit.dll
Properties
app.manifest
Settings.settings
Reader
Catalog
Common
Images
RAR
ZIP
Resources
TheRedPushPin.png
XAML
BookReaderv2.zip
BookReader.application
BookReader.exe
BookReader.exe.manifest
7z.dll
SevenZipSharp.dll
WPFToolkit.dll
BookReaderv2_8.zip
Release
BookReader.application
BookReader.exe
BookReader.exe.manifest
Dependencies
7z.dll
pdftohtml.exe
SevenZipSharp.dll
WPFToolkit.dll
BookReaderv2_8_source.zip
BookReader.csproj.user
BookReader.csproj.vspscc
7z.dll
pdftohtml.exe
SevenZipSharp.dll
WPFToolkit.dll
app.manifest
Settings.settings
acroread.png
document.png
ecran.png
exit.png
FitHeight.png
FitWidth.png
info.png
open_folder.png
refresh.png
Search.png
Theme
TheRedPushPin.png
tools.png
BookReaderv2_source.zip
BookReader.csproj.user
ClassDiagram.cd
7-zip.dll
7z.dll
ICSharpCode.SharpZipLib.dll
SevenZipSharp.dll
WPFToolkit.dll
app.manifest
Settings.settings
TheRedPushPin.png
BookReaderv3_0.zip
BookReader.application
BookReader.exe
BookReader.exe.manifest
BookReader.vshost.exe
7z.dll
pdftohtml.exe
SevenZipSharp.dll
WPFToolkit.dll
BookReaderv3_0_source.zip
BookReader.csproj.user
BookReader.csproj.vspscc
7z.dll
pdftohtml.exe
SevenZipSharp.dll
WPFToolkit.dll
app.manifest
Settings.settings
acroread.png
book.ico
document.png
ecran.png
exit.png
FitHeight.png
FitWidth.png
info.png
open_folder.png
refresh.png
Search.png
TheRedPushPin.png
tools.png
using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows.Media.Imaging;

namespace BookReader
{
	internal class ImageCache
	{
		internal class ImgInfo
		{
			public ImgInfo(BitmapImage image, object tag)
			{
				_Image = image;
				_Tag = tag;
			}
			public object _Tag = null;
			public BitmapImage _Image = null;
			public DateTime _LastAcces = DateTime.Now;
		}

		public ImageCache()
		{
			_ImagesCache = new List<ImgInfo>();
		}

		private long _TotalSize;
		private List<ImgInfo> _ImagesCache;

		public void Clear()
		{
			_ImagesCache.Clear();
		}

		public bool Find(object tag)
		{
			ImgInfo inf = _ImagesCache.Find(delegate(ImgInfo record)
			   {
				 if (record._Tag == tag)
				 { return true; } 
				 return false;
			   });

			return inf != null; 
		}

		internal ImgInfo FindInfo(object tag)
		{
			ImgInfo inf = _ImagesCache.Find(delegate(ImgInfo record)
			{
				if (record._Tag == tag)
				{ return true; }
				return false;
			});

			return inf;
		}

		public BitmapImage GetImage(object tag)
		{
			ImgInfo ImgInfo = FindInfo(tag);
			if (ImgInfo != null)
			{
				ImgInfo._LastAcces = DateTime.Now;
				return ImgInfo._Image;
			}
			else
				return null;
		}

		public void Store(object tag, BitmapImage image)
		{
			_ImagesCache.Add(new ImgInfo( image, tag ));
		}

		public void ManageCache()
		{
			while (_ImagesCache.Count > Properties.Settings.Default.ImageCacheCount)
				_ImagesCache.Remove(_ImagesCache.First());

			_TotalSize = 0;

			for (int i = 0; i < Properties.Settings.Default.ImageCacheCount; i++)
			{
				if (_ImagesCache.Count > i)
				{
					if (_ImagesCache[i]._LastAcces < DateTime.Now.AddMinutes(-Properties.Settings.Default.ImageCacheDuration))
						_ImagesCache.Remove(_ImagesCache[i]);
				}
			}

			foreach( ImgInfo imgInfo in _ImagesCache )
				_TotalSize += imgInfo._Image.StreamSource.Length;

		}

		public string GetCacheInfo()
		{
			return string.Format("Cache Info : Image {0}/{1}; Size {2}", _ImagesCache.Count, Properties.Settings.Default.ImageCacheCount, _TotalSize);
		}
	}
}

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License

This article, along with any associated source code and files, is licensed under The GNU General Public License (GPLv3)

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About the Author

Guillaume Waser
Architect XEROX
France France
No Biography provided

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