public static IMagickFormatInfo GetFormatInformation(Stream stream)
{
var startPosition = stream.Position;
try
{
var info = new MagickImageInfo(stream);
return(MagickNET.GetFormatInformation(info.Format));
}
catch
{
stream.Position = startPosition;
return(GetFormatInformationFromHeader(stream));
}
finally
{
stream.Position = startPosition;
}
}
private static void ExtractLibrary()
{
#if Q8
string name = "Magick.NET-Q8-" + (NativeLibrary.Is64Bit ? "x64" : "x86");
#elif Q16
string name = "Magick.NET-Q16-" + (NativeLibrary.Is64Bit ? "x64" : "x86");
#elif Q16HDRI
string name = "Magick.NET-Q16-HDRI-" + (NativeLibrary.Is64Bit ? "x64" : "x86");
#else
#error Not implemented!
#endif
string cacheDirectory = CreateCacheDirectory();
string tempFile = Path.Combine(cacheDirectory, name + ".Native.dll");
WriteAssembly(tempFile);
WriteXmlResources(cacheDirectory);
NativeMethods.SetDllDirectory(cacheDirectory);
MagickNET.Initialize(cacheDirectory);
}
private IImageOptimizer GetOptimizer(Stream stream)
{
long position = stream.Position;
MagickImageInfo imageInfo = new MagickImageInfo(stream);
stream.Position = position;
MagickFormatInfo info = MagickNET.GetFormatInformation(imageInfo.Format);
foreach (IImageOptimizer optimizer in _optimizers)
{
if (optimizer.Format.Module == info.Module)
{
return(optimizer);
}
}
if (IgnoreUnsupportedFormats)
{
return(null);
}
throw new MagickCorruptImageErrorException("Invalid format, supported formats are: " + SupportedFormats);
}
private static MagickFormat GetModule(MagickFormat format)
{
MagickFormatInfo formatInfo = MagickNET.GetFormatInformation(format);
return(formatInfo.Module);
}
///<summary>
/// Returns the format information. The extension of the supplied file is used to determine
/// the format.
///</summary>
/// <param name="file">The file to check.</param>
public static MagickFormatInfo Create(FileInfo file)
{
return(MagickNET.GetFormatInformation(file));
}
///<summary>
/// Returns the format information of the specified format.
///</summary>
///<param name="format">The image format.</param>
public static MagickFormatInfo Create(MagickFormat format)
{
return(MagickNET.GetFormatInformation(format));
}