Opentk/Source/OpenTK/Platform/MacOS/CarbonBindings/SpeechChannel.cs

#region License
//
// The Open Toolkit Library License
//
// Copyright (c) 2006 - 2010 the Open Toolkit library.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights to
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software is furnished to do
// so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
//
#endregion

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Runtime.InteropServices;
using System.Text;

namespace OpenTK.Platform.MacOS.Carbon
{

    internal class SpeechChannel
    {

        private IntPtr _id;

        protected const string appServicesPath = "/System/Library/Frameworks/ApplicationServices.framework/Versions/Current/ApplicationServices";

        [DllImport(appServicesPath)]
        private static extern short NewSpeechChannel(IntPtr voice, ref IntPtr result);


        [DllImport(appServicesPath)]
        private static extern short SpeakText(IntPtr channel, String text, long length);

        public SpeechChannel()
        {
            short rc = NewSpeechChannel((IntPtr)null, ref _id);
            Debug.WriteLine(rc);
        }

        public bool Speak(String text)
        {
            short rc = SpeakText(_id, text, (long)text.Length);
            return (rc == 0);
        }

    }
}