public ITexture GetTexture(string path)
{
if (path.IsNullOrWhiteSpace())
{
return(TexturePool.Instance.GetTexture(null));
}
FileAttributes attr = File.GetAttributes(path);
bool isDirectory = (attr & FileAttributes.Directory) == FileAttributes.Directory;
if (isDirectory && directoryTexture != null)
{
return(directoryTexture);
}
var ext = Path.GetExtension(path);
if (ext == null)
{
return(TexturePool.Instance.GetTexture(null));
}
if (textureCache.ContainsKey(ext))
{
return(textureCache[ext]);
}
var shInfo = new WinAPI.SHFILEINFO();
IntPtr r = WinAPI.SHGetFileInfo(path, 0, out shInfo, (uint)Marshal.SizeOf(shInfo), WinAPI.SHGFI.SHGFI_ICON | WinAPI.SHGFI.SHGFI_SMALLICON);
if (r == IntPtr.Zero)
{
return(TexturePool.Instance.GetTexture(null));
}
var t = new Texture2D();
using (var icon = Icon.FromHandle(shInfo.hIcon)) {
var b = new Bitmap(icon.Size.Width, icon.Size.Height);
using (Graphics g = Graphics.FromImage(b))
g.DrawIcon(icon, 0, 0);
using (var s = new MemoryStream()) {
b.Save(s, ImageFormat.Png);
t.LoadImage(s);
}
}
WinAPI.DestroyIcon(shInfo.hIcon);
if (isDirectory)
{
directoryTexture = t;
}
else
{
textureCache.Add(ext, t);
}
return(t);
}
public ITexture GetTexture(string path)
{
if (path.IsNullOrWhiteSpace())
{
return(TexturePool.Instance.GetTexture(null));
}
FileAttributes attr;
try {
attr = File.GetAttributes(path);
} catch (System.Exception) {
return(TexturePool.Instance.GetTexture(null));
}
bool isDirectory = (attr & FileAttributes.Directory) == FileAttributes.Directory;
var isRoot = false;
if (isDirectory)
{
if (new DirectoryInfo(path).Parent == null)
{
isRoot = true;
}
}
if (
isDirectory &&
!isRoot &&
directoryTexture != null
)
{
return(directoryTexture);
}
var cacheKey = Path.GetExtension(path);
if (string.Equals(cacheKey, ".exe", StringComparison.OrdinalIgnoreCase))
{
cacheKey = path;
}
if (textureCache.ContainsKey(cacheKey))
{
return(textureCache[cacheKey]);
}
var shInfo = new WinAPI.SHFILEINFO();
IntPtr r = WinAPI.SHGetFileInfo(path, 0, out shInfo, (uint)Marshal.SizeOf(shInfo), WinAPI.SHGFI.SHGFI_ICON | WinAPI.SHGFI.SHGFI_SMALLICON);
if (r == IntPtr.Zero)
{
return(TexturePool.Instance.GetTexture(null));
}
var t = new Texture2D();
using (var icon = System.Drawing.Icon.FromHandle(shInfo.hIcon)) {
var b = new Bitmap(icon.Size.Width, icon.Size.Height);
using (Graphics g = Graphics.FromImage(b))
g.DrawIcon(icon, 0, 0);
using (var s = new MemoryStream()) {
b.Save(s, ImageFormat.Png);
t.LoadImage(s);
}
}
WinAPI.DestroyIcon(shInfo.hIcon);
if (isDirectory && !isRoot)
{
directoryTexture = t;
}
else
{
textureCache.Add(cacheKey, t);
}
return(t);
}