C++ TextLayout::addLine方法代码示例

void QuickTimeSampleApp::loadMovieFile( const fs::path &moviePath )
{
	try {
		// load up the movie, set it to loop, and begin playing
		mMovie = qtime::MovieGl::create( moviePath );
		mMovie->setLoop();
		mMovie->play();
		
		// create a texture for showing some info about the movie
		TextLayout infoText;
		infoText.clear( ColorA( 0.2f, 0.2f, 0.2f, 0.5f ) );
		infoText.setColor( Color::white() );
		infoText.addCenteredLine( moviePath.filename().string() );
		infoText.addLine( toString( mMovie->getWidth() ) + " x " + toString( mMovie->getHeight() ) + " pixels" );
		infoText.addLine( toString( mMovie->getDuration() ) + " seconds" );
		infoText.addLine( toString( mMovie->getNumFrames() ) + " frames" );
		infoText.addLine( toString( mMovie->getFramerate() ) + " fps" );
		infoText.setBorder( 4, 2 );
		mInfoTexture = gl::Texture::create( infoText.render( true ) );
	}
	catch( ci::Exception &exc ) {
		console() << "Exception caught trying to load the movie from path: " << moviePath << ", what: " << exc.what() << std::endl;
		mMovie.reset();
		mInfoTexture.reset();
	}

	mFrameTexture.reset();
}

AccordionItem::AccordionItem( Timeline &timeline, float x, float y, float height, float contractedWidth, float expandedWidth, gl::Texture image, string title, string subtitle ) 
	: mTimeline(timeline), mX(x), mY(y), mWidth(contractedWidth), mHeight(height), mExpandedWidth(expandedWidth), mImage(image), mTitle(title), mSubtitle(subtitle)
{
#if defined( CINDER_COCOA )
	std::string normalFont( "Arial" );
	std::string boldFont( "Arial-BoldMT" );
#else
	std::string normalFont( "Arial" );
	std::string boldFont( "ArialBold" );
#endif
	
	mAnimEase = EaseOutAtan(25);
	mAnimDuration = 0.7f;
	
	mTextAlpha = 0.0f;
	
	TextLayout layout;
	layout.clear( ColorA( 0.6f, 0.6f, 0.6f, 0.0f ) );
	layout.setFont( Font( boldFont, 26 ) );
	layout.setColor( Color( 1, 1, 1 ) );
	layout.addLine( mTitle );
	layout.setFont( Font( normalFont, 16 ) );
	layout.addLine( mSubtitle );
	layout.setBorder(11, 6);
	mText = gl::Texture( layout.render( true ) );
	
	update();
}

void QuickTimeSampleApp::loadMovieFile( const fs::path& moviePath )
{
	try {
		// load up the movie, set it to loop, and begin playing
		mMovie = qtime::MovieGl( moviePath );
		mMovie.setLoop();
		mMovie.play();
		
		// create a texture for showing some info about the movie
		TextLayout infoText;
		infoText.clear( ColorA( 0.2f, 0.2f, 0.2f, 0.5f ) );
		infoText.setColor( Color::white() );
		infoText.addCenteredLine( getPathFileName( moviePath.string() ) );
		infoText.addLine( toString( mMovie.getWidth() ) + " x " + toString( mMovie.getHeight() ) + " pixels" );
		infoText.addLine( toString( mMovie.getDuration() ) + " seconds" );
		infoText.addLine( toString( mMovie.getNumFrames() ) + " frames" );
		infoText.addLine( toString( mMovie.getFramerate() ) + " fps" );
		infoText.setBorder( 4, 2 );
		mInfoTexture = gl::Texture( infoText.render( true ) );
	}
	catch( ... ) {
		console() << "Unable to load the movie." << std::endl;
		mMovie.reset();
		mInfoTexture.reset();
	}

	mFrameTexture.reset();
}

Item::Item( int index, vec2 pos, const string &title, const string &desc, Surface palette )
	: mIndex(index), mTitle( title ), mDesc( desc ), mPalette(palette)
{
	// TODO: can you reuse layouts? If so, how do you clear the text?
	// textures
	TextLayout layout;
	layout.clear( ColorA( 1, 1, 1, 0 ) );
	layout.setFont( sSmallFont );
	layout.setColor( Color::white() );
	layout.addLine( mTitle );
	mTitleTex = gl::Texture::create( layout.render( true ) );
	
	TextLayout bigLayout;
	bigLayout.clear( ColorA( 1, 1, 1, 0 ) );
	bigLayout.setFont( sBigFont );
	bigLayout.setColor( Color::white() );
	bigLayout.addLine( mTitle );
	mTitleBigTex = gl::Texture::create( bigLayout.render( true ) );
	
	// title
	mTitleStart		= pos;
	mTitleDest1		= vec2( pos.x - 25.0f, pos.y );
	mTitleFinish	= vec2( pos.x - 4.0f, 120.0f );
	mTitleDest2		= vec2( mTitleFinish.x - 25.0f, mTitleFinish.y );
	mMouseOverDest	= mTitleStart + vec2( 7.0f, 0.0f );
	mTitlePos		= mTitleStart;
	mTitleColor		= Color( 0.7f, 0.7f, 0.7f );
	mTitleAlpha		= 1.0f;
	mTitleWidth		= mTitleTex->getWidth();
	mTitleHeight	= mTitleTex->getHeight();
	
	// desc
	mDescStart		= vec2( mTitleStart.x + 25.0f, mTitleFinish.y + mTitleBigTex->getHeight() + 5.0f );
	mDescDest		= vec2( mTitleStart.x + 35.0f, mDescStart.y );
	mDescPos		= mDescStart;
	mDescAlpha		= 0.0f;
	TextBox tbox	= TextBox().alignment( TextBox::LEFT ).font( sSmallFont ).size( ivec2( 650.0f, TextBox::GROW ) ).text( mDesc );
	mDescTex		= gl::Texture::create( tbox.render() );
	
	// bar
	mBarPos			= pos - vec2( 4.0f, 1.0f );
	mBarWidth		= 0.0f;
	mBarHeight		= mTitleHeight + 2.0f;
	mMaxBarWidth	= mTitleWidth + 22.0f;
	mBarColor		= Color::white();
	mBarAlpha		= 0.3f;
	
	mFadeFloat		= 1.0f;
	mIsSelected		= false;
	mIsBeingSelected = false;

	setColors();
}

void MovieLoaderApp::movieReady()
{
	mMovie->play();
	
	// create a texture for showing some info about the movie
	TextLayout infoText;
	infoText.clear( ColorA( 0.2f, 0.2f, 0.2f, 0.5f ) );
	infoText.setColor( Color::white() );
	infoText.addLine( toString( mMovie->getWidth() ) + " x " + toString( mMovie->getHeight() ) + " pixels" );
	infoText.addLine( toString( mMovie->getDuration() ) + " seconds" );
	infoText.addLine( toString( mMovie->getNumFrames() ) + " frames" );
	infoText.addLine( toString( mMovie->getFramerate() ) + " fps" );
	infoText.setBorder( 4, 2 );
	mInfoTexture = gl::Texture( infoText.render( true ) );
}

void CinderIldaApp::update()
{
    mLaserDac->setPoints(mIldaFrame);
//    mLaserDac->send();
    
    float fps = getFrameRate();
    
    TextLayout simple;
	simple.setFont( mFont );
	simple.setColor( Color( 1, 1, 1 ) );
	simple.addLine( "CinderIlda" );
	simple.addLine( "Framerate: " + toString((int)fps) );
	mTexture = gl::Texture( simple.render( true, PREMULT ) );
    
}

void ciApp::draw()
{
	gl::clear();

	gl::ScopedColor white(Color::white());

	auto get_center_rect = [&](Area area) ->Rectf { return Rectf(area).getCenteredFit(getWindowBounds(), true); };

	{	
		//auto tex = filter->getTexture();
		auto tex = vector_blur.getTexture();
		gl::draw(tex, get_center_rect(tex->getBounds()));
	}
	
	{
		gl::ScopedMatrices scpMatrix;
		gl::scale(0.2f, 0.2f);
		gl::draw(mTexture);
	}

	vector_blur.drawDebug(vec2(0, 0), 0.2f);

	mParams->draw();

	{
		TextLayout infoFps;
		infoFps.clear(ColorA(0.2f, 0.2f, 0.2f, 0.5f));
		infoFps.setColor(Color::white());
		infoFps.setFont(Font("Arial", 16));
		infoFps.setBorder(4, 2);
		infoFps.addLine("App Framerate: " + tostr(getAverageFps(), 1));
		auto tex = gl::Texture::create(infoFps.render(true));
		gl::draw(tex, ivec2(20, getWindowHeight() - tex->getHeight() - 20));
	}
}

void CaptureApp::setup()
{	
	// list out the devices
	vector<Capture::DeviceRef> devices( Capture::getDevices() );
	for( vector<Capture::DeviceRef>::const_iterator deviceIt = devices.begin(); deviceIt != devices.end(); ++deviceIt ) {
		Capture::DeviceRef device = *deviceIt;
		console() << "Found Device " << device->getName() << " ID: " << device->getUniqueId() << std::endl;
		try {
			if( device->checkAvailable() ) {
				mCaptures.push_back( Capture::create( WIDTH, HEIGHT, device ) );
				mCaptures.back()->start();
			
				// placeholder text
				mTextures.push_back( gl::TextureRef() );

				// render the name as a texture
				TextLayout layout;
				layout.setFont( Font( "Arial", 24 ) );
				layout.setColor( Color( 1, 1, 1 ) );
				layout.addLine( device->getName() );
				mNameTextures.push_back( gl::Texture::create( layout.render( true ) ) );
			}
			else
				console() << "device is NOT available" << std::endl;
		}
		catch( CaptureExc & ) {
			console() << "Unable to initialize device: " << device->getName() << endl;
		}
	}
}

void SerialCommunicationApp::update()
{
	if (serialInitiallized()){
        if(serial.getNumBytesAvailable() > 0){
            console() << "Bytes available: " << serial.getNumBytesAvailable() << std::endl;
            try{
                lastString = serial.readStringUntil('\n');
            } catch(SerialTimeoutExc e) {
                console() << "timeout" << endl;
            }
            console() << lastString << endl;
            int16_t temp = lastString[0];
            
            //OSC MESSAGE
            osc::Message message;
            message.addIntArg(temp);
            message.setAddress("coinTrigger");
            message.setRemoteEndpoint(host, port);
            sender.sendMessage(message);
           
            TextLayout simple;
            simple.setFont( Font( "Arial Black", 54 ) );
            simple.setColor( Color( .7, .7, .2 ) );
            simple.addLine( lastString );
            simple.setLeadingOffset( 0 );
            mTexture = gl::Texture( simple.render( true, false ) );
            bTextureComplete = true;
            serial.flush();
        }
    }
    serial.flush();
}

void SerialCommunicationApp::keyDown(KeyEvent event)
{
    //DEBUG 
    int16_t temp = 0;

    switch (event.getChar()) {
        case '1':
            temp = 49;
            break;
        case '2':
            temp = 50;
            break;
        case '3':
            temp = 51;
            break;
    }
    
    if (temp > 48 && temp < 52) {
        osc::Message message;
        //message.addStringArg(lastString);
        message.addIntArg(temp);
        message.setAddress("coinTrigger");
        message.setRemoteEndpoint(host, port);
        sender.sendMessage(message);
        TextLayout simple;
        simple.setFont( Font( "Arial Black", 54 ) );
        simple.setColor( Color( .7, .7, .2 ) );
        simple.addLine( to_string(event.getChar()) );
        simple.setLeadingOffset( 0 );
        mTexture = gl::Texture( simple.render( true, false ) );
        bTextureComplete = true;
    }
}

void Button::createTextField()
{
	TextLayout simple;
	simple.setFont( *textFont );	
	simple.setColor( Color::black());
	simple.addLine(Utils::cp1251_to_utf8(label.c_str()));		
	textTexture = gl::Texture( simple.render( true, false ) );	
}

void ardroneApp::setInfo(const std::string& path, const std::string& errorMessage){
    // create a texture for showing some info about the movie
    TextLayout infoText;
    infoText.clear( ColorA( 0.2f, 0.2f, 0.2f, 0.25f ) );
    infoText.setColor( Color::white() );
    infoText.addCenteredLine( path);
    if (!errorMessage.empty()) {
        infoText.addLine(errorMessage);
    } else {
        infoText.addLine( toString( mMovie->getWidth() ) + " x " + toString( mMovie->getHeight() ) + " pixels" );
        if (mMovie->getDuration() > 0.f) infoText.addLine( toString( mMovie->getDuration() ) + " seconds" );
        infoText.addLine( toString( mMovie->getNumFrames() ) + " frames" );
        infoText.addLine( toString( mMovie->getFramerate() ) + " fps" );
    }
    infoText.setBorder( 4, 2 );
    mInfoTexture = gl::Texture( infoText.render( true ) );
}

void MovieBasicApp::onReadySignal()
{    
	// create a texture for showing some info about the movie
	TextLayout infoText;
	infoText.clear( ColorA( 0.2f, 0.2f, 0.2f, 0.5f ) );
	infoText.setColor( Color::white() );
	infoText.addCenteredLine( mMoviePath.filename().string() );
	infoText.addLine( toString( mMovie->getWidth() ) + " x " + toString( mMovie->getHeight() ) + " pixels" );
	infoText.addLine( toString( mMovie->getDuration() ) + " seconds" );
	infoText.addLine( toString( mMovie->getNumFrames() ) + " frames" );
	infoText.addLine( toString( mMovie->getFramerate() ) + " fps" );
	infoText.setBorder( 4, 2 );
	mInfoTexture = gl::Texture( infoText.render( true ) );

	mMovie->setVolume(1.0f);
	mMovie->play();
}

void QRcode::draw()
{
	gl::pushMatrices();					
		gl::translate(startQRCodeHolderXY);
		gl::draw(qrCodeFon);

		if (isError)
		{
			drawError();			
		}
		else
		{
			if (isReady == false)
			{
				gl::pushMatrices();
					gl::translate(220, 650);	
					preloader.draw();			
				gl::popMatrices();
			}
			else
			{
				if(stringQrcode=="") return;
				//if (isRender == false)
				//{
					isRender = true;		
					qrCodeTexture = loadImageFromString(stringQrcode);

					TextLayout simple;
					simple.setFont( qrCodeFont );
					simple.setColor( Color( 1, 1, 1 ) );
					simple.addLine(url);
					qrCodeTextTexture = gl::Texture( simple.render( true, false ) );
				//}

				if(qrCodeTextTexture)
				{
					gl::pushMatrices();			
					gl::translate(33, 885);	
					gl::draw(qrCodeTextTexture);
					gl::popMatrices();
				}	

				if(qrCodeTexture)
				{
					gl::pushMatrices();			
					gl::translate(86, 505);		
					gl::draw(qrCodeTexture);
					gl::popMatrices();
				}

			}
		}

	gl::popMatrices();	
}

void FrownLogoParticlesApp::setup()
{
    mKeyPressed = false;
    // Lets load a font from the the installed fonts of the OS
    // and set its size to 90

    mFont = Font("Arial",90 );
    
    //Clear the layout to black
    
    mLayout.clear(Color::black() );
    //Set the text color of the layout
    mLayout.setColor(Color(1,1,1));
    
    //Set the font of the layout
    mLayout.setFont(mFont);
    
    //Add the following line to the layout
    mLayout.addLine("FROWN");
    
    //Render the layout into a cinder Surface
    mSurface = mLayout.render();

    //We will now iterate through every pixel in the surface:
    //First get the iterator
    Surface::Iter iter = mSurface.getIter();
    // For every line in the surface
    //
    while ( iter.line() )
    {
        // For every pixel in the line
        while (iter.pixel()) {
            //Check if the color of the current pixel is not black
            if ( ( iter.r() != 0.0f ) && ( iter.g() != 0.0f ) && ( iter.b() != 0.0f ) )
            {
                //If its not black, push the position of the pixel into
                // the initial positions
                mInitialPositions.push_back(ci::Vec2f(iter.x(), iter.y()));
                // Also, lets make the current positions equal to the initial
                // ones
                mCurrentPositions.push_back(ci::Vec2f(iter.x(), iter.y()));
                //lets also keep the color of every pixel
                mPixelColors.push_back(Colorf(iter.r(), iter.g(), iter.b()));
            }
        }
    }
    //Print the size of non-black pixels found in the surface
    console() << "We found " << mInitialPositions.size() <<
    " non black pixels" << endl;
    
    console() << "Spacebar changes: explode /move back" << endl;
    console() << "P or p changes: whether the particles are paused or not" << endl;
}