基于vc++2008托管代码开发Windows Vista语音朗读

闲的无聊，锻炼一下托管c++，

看代码

#pragma once

#include "Window1.g.h"

using namespace System;

using namespace System::Collections::Generic;

using namespace System::Text;

using namespace System::Windows;

using namespace System::Windows::Controls;

using namespace System::Windows::Data;

using namespace System::Windows::Documents;

using namespace System::Windows::Input;

using namespace System::Windows::Media;

using namespace System::Windows::Media::Imaging;

using namespace System::Windows::Shapes;

using namespace System::Collections::ObjectModel;

using namespace System::Xml;

using namespace System::Speech::Synthesis;

namespace speechSynth

{

///

//ORIGINAL LINE: public partial class Window1 : System.Windows.Window

//INSTANT C++ TODO TASK: C++ does not support 'partial' types. You must manually combine the entire Window1 type in one place.

public ref class Window1 : System::Windows::Window

{

private:

SpeechSynthesizer ^synth;

public:

Window1()

{

InitializeComponent();

synth = gcnew SpeechSynthesizer();

synth->StateChanged += gcnew EventHandler(this, &Window1::synth_StateChanged);

synth->BookmarkReached += gcnew EventHandler(this, &Window1::synth_BookmarkReached);

synth->PhonemeReached += gcnew EventHandler(this, &Window1::synth_PhonemeReached);

synth->SpeakCompleted += gcnew EventHandler(this, &Window1::synth_SpeakCompleted);

synth->SpeakProgress += gcnew EventHandler(this, &Window1::synth_SpeakProgress);

synth->SpeakStarted += gcnew EventHandler(this, &Window1::synth_SpeakStarted);

synth->VisemeReached += gcnew EventHandler(this, &Window1::synth_VisemeReached);

synth->VoiceChange += gcnew EventHandler(this, &Window1::synth_VoiceChange);

this->btnSpeakText->Click += gcnew RoutedEventHandler(this, &Window1::btnSpeakText_Click);

this->btnWavFile->Click += gcnew RoutedEventHandler(this, &Window1::btnWavFile_Click);

this->btnVoices->Click += gcnew RoutedEventHandler(this, &Window1::btnVoices_Click);

this->btnSpeakSsml->Click += gcnew RoutedEventHandler(this, &Window1::btnSpeakSsml_Click);

this->btnPause->Click += gcnew RoutedEventHandler(this, &Window1::btnPause_Click);

this->btnResume->Click += gcnew RoutedEventHandler(this, &Window1::btnResume_Click);

this->btnPromptBuilder->Click += gcnew RoutedEventHandler(this, &Window1::btnPromptBuilder_Click);

this->btnToXml->Click += gcnew RoutedEventHandler(this, &Window1::btnToXml_Click);

this->btnSsmlPitch->Click += gcnew RoutedEventHandler(this, &Window1::btnSsmlPitch_Click);

this->btnCutIn->Click += gcnew RoutedEventHandler(this, &Window1::btnCutIn_Click);

this->sliderRate->ValueChanged += gcnew RoutedPropertyChangedEventHandler(this, &Window1::sliderRate_ValueChanged);

this->sliderVolume->ValueChanged += gcnew RoutedPropertyChangedEventHandler(this, &Window1::sliderVolume_ValueChanged);

}

private:

void btnCutIn_Click(System::Object ^sender, RoutedEventArgs ^e)

{

synth->SpeakAsyncCancelAll(); //stops current async call

synth->SpeakAsync("this is some interrupting text"); //just appends, unless AsyncCancelAll() called first

//synth.Speak("this is some interrupting text"); //does not interrupt async call

}

void btnSsmlPitch_Click(System::Object ^sender, RoutedEventArgs ^e)

{

XmlDocument ^xd = gcnew XmlDocument();

xd->Load("ssmlPitch.xml");

synth->SpeakSsmlAsync(xd->OuterXml);

}

#pragma region SYNTHESIZER_EVENTS

void synth_VoiceChange(System::Object ^sender, VoiceChangeEventArgs ^e)

{

System::Diagnostics::Debug::WriteLine("VoiceChange : " + e->Voice->Name);

}

void synth_VisemeReached(System::Object ^sender, VisemeReachedEventArgs ^e)

{

System::Diagnostics::Debug::WriteLine("VisemeReached : " + e->Viseme.ToString());

}

void synth_SpeakStarted(System::Object ^sender, SpeakStartedEventArgs ^e)

{

System::Diagnostics::Debug::WriteLine("SpeakStarted");

}

void synth_SpeakProgress(System::Object ^sender, SpeakProgressEventArgs ^e)

{

System::Diagnostics::Debug::WriteLine("SpeakProgress : " + e->AudioPosition.TotalSeconds.ToString());

}

void synth_SpeakCompleted(System::Object ^sender, SpeakCompletedEventArgs ^e)

{

System::Diagnostics::Debug::WriteLine("SpeakCompleted");

}

void synth_PhonemeReached(System::Object ^sender, PhonemeReachedEventArgs ^e)

{

System::Diagnostics::Debug::WriteLine("PhonemeReached : " + e->Phoneme->ToString());

}

void synth_BookmarkReached(System::Object ^sender, BookmarkReachedEventArgs ^e)

{

System::Diagnostics::Debug::WriteLine("BookmarkReached : " + e->Bookmark);

}

void synth_StateChanged(System::Object ^sender, StateChangedEventArgs ^e)

{

System::Diagnostics::Debug::WriteLine("StateChanged : " + e->State.ToString());

lblState->Content = e->State.ToString();

}

#pragma endregion

void btnToXml_Click(System::Object ^sender, RoutedEventArgs ^e)

{

PromptBuilder ^myPrompt = GetBuiltPrompt();

MessageBox::Show(myPrompt->ToXml());

}

void btnPromptBuilder_Click(System::Object ^sender, RoutedEventArgs ^e)

{

PromptBuilder ^pb = GetBuiltPrompt();

//Now let's get the synthesizer to render this message

//SpeechSynthesizer synth = new SpeechSynthesizer();

synth->SetOutputToDefaultAudioDevice();

synth->SpeakAsync(pb);

}

PromptBuilder ^GetBuiltPrompt()

{

//from ​​​prompt is quite complicated

//So I'm going to build it first, and then render it.

PromptBuilder ^myPrompt = gcnew PromptBuilder();

//Start the main speaking style

PromptStyle ^mainStyle = gcnew PromptStyle();

mainStyle->Rate = PromptRate::Medium;

mainStyle->Volume = PromptVolume::Loud;

myPrompt->StartStyle(mainStyle);

//Alert the listener

myPrompt->AppendAudio(gcnew Uri("file://c://windows//media//notify.wav"), "Attention!");

myPrompt->AppendText("Here are some important messages.");

//Here's the first important message

myPrompt->AppendTextWithPronunciation("WinFX", "w?n?f?ks");

myPrompt->AppendText("is a great platform.");

//And the second one

myPrompt->AppendTextWithHint("ASP", SayAs::SpellOut);

myPrompt->AppendText("is an acronym for Active Server Pages. Whereas an ASP is a snake.");

myPrompt->AppendBreak();

//Let's emphasise how important these messages are

PromptStyle ^interimStyle = gcnew PromptStyle();

interimStyle->Emphasis = PromptEmphasis::Strong;

myPrompt->StartStyle(interimStyle);

myPrompt->AppendText("Please remember these two things.");

myPrompt->EndStyle();

//Then we can revert to the main speaking style

myPrompt->AppendBreak();

myPrompt->AppendText("Thank you");

myPrompt->EndStyle();

return myPrompt;

}

void btnResume_Click(System::Object ^sender, RoutedEventArgs ^e)

{

synth->Resume();

}

void btnPause_Click(System::Object ^sender, RoutedEventArgs ^e)

{

synth->Pause();

}

void btnSpeakSsml_Click(System::Object ^sender, RoutedEventArgs ^e)

{

//xd = new XmlDocument();

xd.Load("sampleSSML.xml"); //works

//xd.Load("ssmlPitch.xml"); //works

//synth.SpeakSsmlAsync(xd.OuterXml);

//XmlDocument xd = new XmlDocument();

xd.Load("sampleSSML.xml"); //TODO doesn't work?

//xd.Load("ssmlPitch.xml"); //TODO doesn't work?

//PromptBuilder pb = new PromptBuilder();

//pb.AppendSsmlMarkup(xd.DocumentElement.OuterXml);

//synth.SpeakAsync(pb);

PromptBuilder ^pb = gcnew PromptBuilder();

pb->AppendText("blah");

pb->AppendSsml("sampleSSML.xml"); //works

//pb.AppendSsml("ssmlPitch.xml"); //TODO doesn't work

synth->SpeakAsync(pb);

}

void sliderVolume_ValueChanged(System::Object ^sender, RoutedPropertyChangedEventArgs ^e)

{

synth->Volume = safe_cast(sliderVolume->Value);

}

void sliderRate_ValueChanged(System::Object ^sender, RoutedPropertyChangedEventArgs ^e)

{

synth->Rate = safe_cast(sliderRate->Value);

}

void btnVoices_Click(System::Object ^sender, RoutedEventArgs ^e)

{

ReadOnlyCollection ^voices = synth->GetInstalledVoices();

System::String ^retVal = System::String::Empty;

for each (InstalledVoice ^iv in voices)

{

retVal += iv->VoiceInfo->Name + "/r/n";

}

MessageBox::Show(retVal);

}

void btnWavFile_Click(System::Object ^sender, RoutedEventArgs ^e)

{

synth->SetOutputToWaveFile("spoken.wav");

synth->Speak(GetText());

synth->SetOutputToNull();

MessageBox::Show("done");

}

void btnSpeakText_Click(System::Object ^sender, RoutedEventArgs ^e)

{

synth->SetOutputToDefaultAudioDevice();

synth->SpeakAsync(GetText());

}

System::String ^GetText()

{

return txtToSpeak->Text->Trim();

}

};

}

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