/// <summary>
/// Initializes a new instance of the Ghostscript.NET.GhostscriptLibrary class
/// from the GhostscriptVersionInfo object.
/// </summary>
/// <param name="version">GhostscriptVersionInfo instance that tells which Ghostscript library to use.</param>
/// <param name="fromMemory">Tells if the Ghostscript should be loaded from the memory or directly from the disk.</param>
public GhostscriptLibrary(GhostscriptVersionInfo version, bool fromMemory)
{
// check if Ghostscript version is specified
if (version == null)
{
throw new ArgumentNullException("version");
}
// check if specified Ghostscript native library exist on the disk
if (!File.Exists(version.DllPath))
{
throw new DllNotFoundException("Ghostscript native library could not be found.");
}
_version = version;
_loadedFromMemory = fromMemory;
// check if library is compatibile with a running process
if (Environment.Is64BitProcess != NativeLibraryHelper.Is64BitLibrary(version.DllPath))
{
// throw friendly gsdll incompatibility message
this.ThrowIncompatibileNativeGhostscriptLibraryException();
}
// check wether we need to load Ghostscript native library from the memory or a disk
if (fromMemory)
{
// load native Ghostscript library into the memory
byte[] buffer = File.ReadAllBytes(version.DllPath);
// create DynamicNativeLibrary instance from the memory buffer
_library = new DynamicNativeLibrary(buffer);
}
else
{
// create DynamicNativeLibrary instance from the local disk file
_library = new DynamicNativeLibrary(version.DllPath);
}
// get and map native library symbols
this.Initialize();
}
/// <summary>
/// Initializes a new instance of the Ghostscript.NET.GhostscriptLibrary class
/// from the native library represented as the memory buffer.
/// </summary>
/// <param name="library">Memory buffer representing native Ghostscript library.</param>
public GhostscriptLibrary(byte[] library)
{
if (library == null)
{
throw new ArgumentNullException("library");
}
// check if library is compatibile with a running process
if (Environment.Is64BitProcess != NativeLibraryHelper.Is64BitLibrary(library))
{
// throw friendly gsdll incompatibility message
this.ThrowIncompatibileNativeGhostscriptLibraryException();
}
// create DynamicNativeLibrary instance from the memory buffer
_library = new DynamicNativeLibrary(library);
// set the flag that the library is loaded from the memory
_loadedFromMemory = true;
// get and map native library symbols
this.Initialize();
}
