private static int FPDF_SaveBlock(IntPtr fileWrite, IntPtr data, uint size) { var write = new FPDF_FILEWRITE(); Marshal.PtrToStructure(fileWrite, write); var stream = StreamManager.Get((int)write.stream); if (stream == null) { return(0); } byte[] buffer = new byte[size]; Marshal.Copy(data, buffer, 0, (int)size); try { stream.Write(buffer, 0, (int)size); return((int)size); } catch { return(0); } }
private static int FPDF_GetBlock(IntPtr param, uint position, IntPtr buffer, uint size) { var stream = StreamManager.Get((int)param); if (stream == null) { return(0); } byte[] managedBuffer = new byte[size]; stream.Position = position; int read = stream.Read(managedBuffer, 0, (int)size); if (read != size) { return(0); } Marshal.Copy(managedBuffer, 0, buffer, (int)size); return(1); }