public static Image LoadFolderThumbnail(int width, int height, ThumbnailCache cache)
{
if (cache != null)
{
Image cachedThumbnail = cache.Get("FOLDER");
if (cachedThumbnail != null)
{
return(cachedThumbnail);
}
}
var bmp = new Bitmap(width, height, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
Image img = Properties.Resources.Folder;
int size = Math.Min(width, height);
using (var g = Graphics.FromImage(bmp))
{
g.DrawImage(img, (width - size) / 2, (height - size) / 2, size, size);
}
if (cache != null)
{
cache.Set("FOLDER", bmp);
}
return(bmp);
}
public RangerForm(string path, Config config, string[] supportedImageExtensions, ThumbnailCache thumbnailCache, IWindowManager windowManager)
{
s_instance = this;
m_windowManager = windowManager;
m_supportedImageExtensions = supportedImageExtensions;
m_thumbnailCache = thumbnailCache;
InitializeComponent();
}
private static Image CacheAndReturnImage(ThumbnailCache cache, string path, Image image)
{
if (cache != null)
{
cache.Set(path, image);
}
return(image);
}
public static Image Load(string path, int width = 0, int height = 0, ThumbnailCache cache = null)
{
if (width != 0 && height != 0 && cache != null)
{
Image cachedThumbnail = cache.Get(path);
if (cachedThumbnail != null)
{
return(cachedThumbnail);
}
}
string extension = Path.GetExtension(path).ToLower();
if (extension == ".afdesign" ||
extension == ".afpub" ||
extension == ".afphoto")
{
var bytes = File.ReadAllBytes(path);
byte[] header = { 137, 80, 78, 71, 13, 10, 26, 10 };
int max = bytes.Length - 8;
for (int i = 0; i < max; i++)
{
if (bytes[i + 0] == header[0] &&
bytes[i + 1] == header[1] &&
bytes[i + 2] == header[2] &&
bytes[i + 3] == header[3] &&
bytes[i + 4] == header[4] &&
bytes[i + 5] == header[5] &&
bytes[i + 6] == header[6] &&
bytes[i + 7] == header[7])
{
int pngSize = bytes.Length - i;
byte[] pngBytes = new byte[pngSize];
Array.Copy(bytes, i, pngBytes, 0, pngSize);
using (var magickImage = new MagickImage(pngBytes, MagickFormat.Png))
{
if (width != 0 && height != 0)
{
return(CacheAndReturnImage(cache, path, CreateThumbnail(magickImage, width, height)));
}
else
{
return(CacheAndReturnImage(cache, path, magickImage.ToBitmap()));
}
}
}
}
return(null);
}
else
{
try
{
using (var magickImage = new MagickImage(path))
{
magickImage.AutoOrient();
if (width != 0 && height != 0)
{
return(CacheAndReturnImage(cache, path, CreateThumbnail(magickImage, width, height)));
}
else
{
return(CacheAndReturnImage(cache, path, magickImage.ToBitmap()));
}
}
}
catch
{
if (width != 0 && height != 0)
{
var badBitmap = new Bitmap(width, height);
return(CacheAndReturnImage(cache, path, badBitmap));
}
else
{
return(CacheAndReturnImage(cache, path, new Bitmap(64, 64)));
}
}
}
}
public ThumbnailCreator(List <string> files, IAddThumbnail thumbnailProcessor, int thumbnailWidth, int thumbnailHeight, ImageList currentImageList, ThumbnailCache thumbnailCache)
{
m_thread = new Thread(() =>
{
int index = 0;
foreach (string file in files)
{
if (m_abort)
{
break;
}
if (file == null)
{
var thumbnail = ImageLoader.LoadFolderThumbnail(thumbnailWidth, thumbnailHeight, thumbnailCache);
thumbnailProcessor.AddThumbnail(thumbnail, index, currentImageList);
}
else
{
var thumbnail = ImageLoader.Load(file, thumbnailWidth, thumbnailHeight, thumbnailCache);
thumbnailProcessor.AddThumbnail(thumbnail, index, currentImageList);
}
index++;
}
});
m_thread.IsBackground = true;
m_thread.Start();
}
