/*
* This code was adapted from Matthew Ephraim's Ghostscript.Net project
* external dll definitions moved into NativeMethods to
* satisfy FxCop requirements
* https://github.com/mephraim/ghostscriptsharp
*/
/// <summary>
/// Calls the Ghostscript API with a collection of arguments to be passed to it
/// </summary>
public static void CallAPI(string[] args)
{
// Get a pointer to an instance of the Ghostscript API and run the API with the current arguments
IntPtr gsInstancePtr;
lock (resourceLock)
{
NativeMethods32.CreateAPIInstance(out gsInstancePtr, IntPtr.Zero);
try
{
int result = NativeMethods32.InitAPI(gsInstancePtr, args.Length, args);
if (result < 0)
{
throw new ExternalException("Ghostscript conversion error", result);
}
}
finally
{
Cleanup(gsInstancePtr);
}
}
}
/// <summary>
/// Frees up the memory used for the API arguments and clears the Ghostscript API instance
/// </summary>
private static void Cleanup(IntPtr gsInstancePtr)
{
NativeMethods32.ExitAPI(gsInstancePtr);
NativeMethods32.DeleteAPIInstance(gsInstancePtr);
}