C++ TextBox类代码示例

TextBox* TextBox::create(Theme::Style* style, Properties* properties)
{
    TextBox* textBox = new TextBox();
    textBox->initialize(style, properties);

    return textBox;
}

void NOC_8_07_TreeStochasticApp::draw()
{
	if( newTree ){
		// clear out the window with black
		gl::clear( Color::white() );
		
		gl::color( Color::black() );
		TextBox tbox = TextBox().size( Vec2i( getWindowWidth(), TextBox::GROW ) ).text( "Click mouse to generate a new tree" );
		tbox.setBackgroundColor( ColorA( 0, 0, 0, 0 ) );
		gl::enableAlphaBlending();
		gl::pushMatrices();
		gl::translate( Vec2f( 10.0, getWindowHeight() - 20.0 ) );
		gl::draw(  gl::Texture( tbox.render() ) );
		gl::popMatrices();
		
		
		gl::color( Color::black() );
		// Start the tree from the bottom of the screen
		gl::pushMatrices();
		gl::translate( getWindowWidth() / 2, getWindowHeight() );
		// Start the recursive branching!
		branch( 60 );
		gl::popMatrices();
		
		newTree = false;
	}
}

TextBox* TextBox::create(const char* id, Theme::Style* style)
{
    TextBox* textBox = new TextBox();
    textBox->_id = id ? id : "";
    textBox->initialize("TextBox", style, NULL);
    return textBox;
}

	TextBox* GUIEngine::AddTextBox( const rString& name, Rectangle boundingBox, const rString& parent )
	{
		TextBox* txtBox = pNew( TextBox, name, parent, boundingBox );
		txtBox->GetTextDefinitionRef().FontID = m_CurrentFontID;
		AddChild( name, txtBox, parent );
		return txtBox;
	}

void LineBreakTestApp::draw()
{
	// clear out the window with black
	gl::enableAlphaBlending();
	gl::clear( Color( 0, 0, 0 ) ); 
	gl::color( ColorA::white() );

	pos.x = 0;
	pos.y = 10;
//	const char *s = "a just.";
	const char *s = "just some stuff\n\nthat\nis longer than one line. I mean substantially longer...";
//	const char *s = "消費増税\n\n法案をめぐる事前事前事前審査を行っていた民主党税調などの合同総会は２８日未明、「名目３％程度、実質２％程度」の経済成長率の数値目標を付則に盛り込んだ新たな修正案を了承し、前原誠司政調会長に対応を一任した。野内閣は３０日に閣議決定を行う。";
//	for( size_t l = 1; l < 30; ++l ) {
	//	std::cout << l << ":" << std::endl;
		lineBreakUtf8( s,std::bind( lineWidth, std::placeholders::_1, std::placeholders::_2, maxWidth ), print );
//	}
	gl::color( ColorA( 1, 0, 0, 0.5 ) );
	TextBox box;
	box.setSize( ivec2( maxWidth, TextBox::GROW ) );
	box.setFont( font );
	box.setText( s );
	gl::Texture t = box.render();
	gl::draw( t );
	gl::color( Color( 0, 1, 0 ) );
	gl::drawStrokedRect( Rectf( 0, 10, maxWidth, 800 ) );
}

void NearestStarbucksApp::render(){
	string txt = "Starbucks Visualizer\n Green saturation represents population in 2000. \n Red saturation represents population in 2010. \n Intermediate colors represent areas of change.\n Pale areas represent changes in regional person/Starbucks density. \n The redder the region, the more people in 2010. \n Press j to remove the pale spots. \n ? will toggle these instructions.";
	TextBox tbox = TextBox().alignment( TextBox::CENTER ).font(master_font_).size( Vec2i( 512, 511) ).text( txt );
	tbox.setColor( Color( 1.0f, 0.65f, 0.35f ) );
	tbox.setBackgroundColor( ColorA( 0.5, 0, 0, 1 ) );
	master_texture_font_ = gl::Texture( tbox.render() );
}

void TextRenderingApp::setup()
{
	mShowBounds = false;
	mShowWireframe= false;

	mFrontColor = Color::black();
	mBackColor = Color::white();

	try { 
		// load fonts using the FontStore
		fonts().loadFont( loadAsset("fonts/BubblegumSans-Regular.sdff") ); 

		// create a text box (rectangular text area)
		mTextBox = TextBox( getWindowSize() );
		// set font and font size
		mTextBox.setFont( fonts().getFont("BubblegumSans-Regular") );
		mTextBox.setFontSize( 24.0f );
		// break lines between words
		mTextBox.setBoundary( Text::WORD );
		// adjust space between lines
		mTextBox.setLineSpace( 1.0f );

		// load a long text and hand it to the text box
		mTextBox.setText( loadString( loadAsset("fonts/readme.txt") ) );

		// load and compile the Signed Distance Field shader
		mSdfShader = gl::GlslProg( loadAsset("shaders/font_sdf_vert.glsl"), loadAsset("shaders/font_sdf_frag.glsl") );
	}
	catch( const std::exception & e ) { 
		console() << e.what() << std::endl; 
	}

	updateWindowTitle();
}

TextBox* Objects2dFactory::inputTextField(CCNode* scene, string initialText, float posX, float posY, float fontSize, AlignX alignX, AlignY alignY, float width, float height, 
	CCTextAlignment textAlignment, int maxNumberOfChars, ccColor3B textColor, ccColor3B placeHolderColor, int zOrder)
{
	// Check arguments validity
	if(scene == NULL)
		return NULL;

	// Get text field
	TextBox* pTextField = new TextBox(initialText, fontSize, "Arial"/*Constants::getResourcesPath() + "SOResources/Fonts/AlphaFridgeMagnetsAllCap.ttf"*/, width, height, textAlignment, '|', maxNumberOfChars, textColor, placeHolderColor);
	if(!pTextField)
		return NULL;

	// Set position
	pTextField->setPosition(ccp(posX,posY));

	// Set anchor
	pTextField->setAnchorPoint(ccp(Constants::getAnchorValue(alignX), Constants::getAnchorValue(alignY)));
	
	//// Mark to receive keyboard inputs (this is making the keyboard to open immediately)
	//pTextField->attachWithIME();

    // Add the label to the scene
    scene->addChild(pTextField, zOrder);

	// Isn't it necessary to save the object, to get the text?
	return pTextField;
}

bool lineWidth( const char *s, size_t len, size_t maxLen )
{
//return len <= 6;
	TextBox box;
	box.setFont( font );
	box.setText( string( s, len ) );
	return box.measure().x < maxLen;
}

void RoyalSocietyApp::helpMenu() {
	Font menu_font = Font("Arial",32);
	string menu = "Help Menu\n\n Keys: \n";
	TextBox tbox = TextBox().alignment( TextBox::CENTER ).font(menu_font).size( Vec2i( 512, 511) ).text( menu );
	tbox.setColor( Color( 1.0f, 1.0f, 1.0f ) );
	tbox.setBackgroundColor( ColorA( 0.5, 0, 0, 1 ) );
	gl::draw(tbox.render());
}

void Lobby::setupWidgets(bool echoChat)
{
	TextBox *textInput = new TextBox(7, 730, 600, "");
		textInput->setAction(new SendChatTextAction(textInput, echoChat?(&messages):NULL, &username));
	rootWidget->addChild(textInput);

	TextDisplayWidget *textDisplay = new TextDisplayWidget(7, 0, 0, 715, fontMiddle, true, &messages);
	rootWidget->addChild(textDisplay);
}

int main(int argc, char *argv[])
{
    // The data for the pie chart
    double data[] = {35, 30, 25, 7, 6, 5, 4, 3, 2, 1};

    // The labels for the pie chart
    const char *labels[] = {"Labor", "Production", "Facilities", "Taxes", "Misc",
        "Legal", "Insurance", "Licenses", "Transport", "Interest"};

    // Create a PieChart object of size 560 x 270 pixels, with a golden background
    // and a 1 pixel 3D border
    PieChart *c = new PieChart(560, 270, Chart::goldColor(), -1, 1);

    // Add a title box using 15 pts Times Bold Italic font and metallic pink
    // background color
    c->addTitle("Project Cost Breakdown", "timesbi.ttf", 15)->setBackground(
        Chart::metalColor(0xff9999));

    // Set the center of the pie at (280, 135) and the radius to 110 pixels
    c->setPieSize(280, 135, 110);

    // Draw the pie in 3D with 20 pixels 3D depth
    c->set3D(20);

    // Use the side label layout method
    c->setLabelLayout(Chart::SideLayout);

    // Set the label box background color the same as the sector color, with glass
    // effect, and with 5 pixels rounded corners
    TextBox *t = c->setLabelStyle();
    t->setBackground(Chart::SameAsMainColor, Chart::Transparent, Chart::glassEffect()
        );
    t->setRoundedCorners(5);

    // Set the border color of the sector the same color as the fill color. Set the
    // line color of the join line to black (0x0)
    c->setLineColor(Chart::SameAsMainColor, 0x000000);

    // Set the start angle to 135 degrees may improve layout when there are many
    // small sectors at the end of the data array (that is, data sorted in descending
    // order). It is because this makes the small sectors position near the
    // horizontal axis, where the text label has the least tendency to overlap. For
    // data sorted in ascending order, a start angle of 45 degrees can be used
    // instead.
    c->setStartAngle(135);

    // Set the pie data and the pie labels
    c->setData(DoubleArray(data, sizeof(data)/sizeof(data[0])), StringArray(labels,
        sizeof(labels)/sizeof(labels[0])));

    // Output the chart
    c->makeChart("sidelabelpie.png");

    //free up resources
    delete c;
    return 0;
}

TextBox* TextBox::create(const char* id, Theme::Style* style)
{
    GP_ASSERT(style);

    TextBox* textBox = new TextBox();
    if (id)
        textBox->_id = id;
    textBox->setStyle(style);

    return textBox;
}

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 TextRenderingApp::updateWindowTitle()
{
#ifdef WIN32
	std::wstringstream str;
	str << "TextRenderingApp -";
	str << " Font family: " << toUtf16( mTextBox.getFontFamily() );
	str << " (" << mTextBox.getFontSize() << ")";

	HWND hWnd = getRenderer()->getHwnd();
	::SetWindowText( hWnd, str.str().c_str() );
#endif
}