object IExtractIcon.ExtractIcon(ExtractIconType type, Size desiredSize)
{
if (type == ExtractIconType.Thumbnail)
{
//// Have we already extracted the image?
//if (cachedImage != null)
// return cachedImage;
// Do we support this extension?
string ext = base.File.Extension.ToLowerInvariant();
if (ext == ".mif")
{
#if false
using (Stream stream = base.File.OpenRead())
using (QQGame.MifImageDecoder mif = new QQGame.MifImageDecoder(stream))
{
// TODO: should we dispose the original image???
Image img = mif.DecodeFrame().Image;
return (Image)img.Clone();
}
#else
Stream stream = base.File.OpenRead();
QQGame.MifImage mif = new QQGame.MifImage(stream);
mif.Name = base.File.Name;
return mif;
#endif
}
else if (ext == ".bmp" || ext == ".png")
{
using (Stream stream = base.File.OpenRead())
using (Bitmap bmp = new Bitmap(stream))
{
// Make a copy of the bitmap, because MSDN says "You must
// keep the stream open for the lifetime of the Bitmap."
return bmp.Clone();
}
}
}
return null;
}
private void btnTest_Click(object sender, EventArgs e)
{
//if (true)
//{
// Bitmap icon = Util.IO.Shell.GetExtensionIcon("bmp");
//}
string path = @"D:\Games\QQGame\GameShow\item";
FileInfo[] files = (new DirectoryInfo(path)).GetFiles("*.mif");
int numFiles = 0;
long totalSize = 0;
long totalCompressed = 0;
const int LoopCount = 0;
const int FileLimit = 100;
// Load and release all the files.
Stopwatch watch = new Stopwatch();
foreach (FileInfo file in files)
{
numFiles++;
totalSize += file.Length;
using (Stream input = file.OpenRead())
using (MemoryStream memory = new MemoryStream())
{
input.CopyTo(memory);
memory.Seek(0, SeekOrigin.Begin);
watch.Start();
using (QQGame.MifImage mif = new QQGame.MifImage(memory))
{
totalCompressed += mif.CompressedSize;
if (mif.FrameCount > 1)
{
for (int i = 0; i < mif.FrameCount * LoopCount; i++)
mif.AdvanceFrame(true);
}
}
watch.Stop();
}
if (numFiles >= FileLimit)
break;
}
string msg = "";
msg += string.Format(
"Loaded {0} files in {1:0.000} seconds.\n",
numFiles, watch.Elapsed.TotalSeconds);
msg += string.Format(
"Total size: {0:#,0} KB.\n", totalSize / 1024);
msg += string.Format(
"Memory size: {0:#,0} KB.\n", totalCompressed / 1024);
System.Diagnostics.Debug.Write("\n" + msg);
MessageBox.Show(msg);
}
// NOTE: The following implementation duplicates with ImageFile.
// We need to consolidate and remove one of them.
object IExtractIcon.ExtractIcon(ExtractIconType type, Size desiredSize)
{
if (type == ExtractIconType.Thumbnail)
{
// Do we support this extension?
string ext = Path.GetExtension( entry.FullName).ToLowerInvariant();
if (ext == ".mif")
{
using (Stream stream = entry.Open())
{
QQGame.MifImage mif = new QQGame.MifImage(stream);
mif.Name = entry.FullName;
return mif;
}
}
else if (ext == ".bmp" || ext == ".png")
{
using (Stream stream = entry.Open())
using (Bitmap bmp = new Bitmap(stream))
{
// Make a copy of the bitmap, because MSDN says "You must
// keep the stream open for the lifetime of the Bitmap."
return bmp.Clone();
}
}
else if (ext == ".tga")
{
using (Stream stream = entry.Open())
using (TgaImage tga = new TgaImage(stream))
{
// Make a copy of the bitmap so that we can dispose
// the TgaImage object.
return tga.Image.Clone();
}
}
}
return null;
}
