float FontManager::textHeight( const std::string& text, float textBoxWidth )
{
// Check we have a font
if ( !isValid() )
{
LOG_ERROR( "FontManager::textWidth. FontManager is not Valid or not Initialized. Maybe there is no active font set? Call textFont to set the active font" );
return 0.0f;
}
// Check empty text case
if ( text == "" )
return 0.0f;
// TODO: this is not the ideal way to calculate this (it should just be on the font class, but for now)
MovableText* newText = getNewText();
// Font properties
newText->setFontName( m_activeFontProperties.fontName );
newText->setCharacterHeight( m_activeFontProperties.size );
newText->setLeading( m_activeFontProperties.leading );
newText->setColor( GraphicsManager::getSingleton().getFillColor().normalized() );
newText->setTextAreaWidth( m_activeFontProperties.width );
newText->setTextAreaHeight( m_activeFontProperties.height );
newText->setTextAlignment(m_activeFontProperties.halign, m_activeFontProperties.valign);
newText->setCaption( m_activeFontProperties.text.toChar() );
// Get the height
float textHeigh = newText->getTextBlockHeightPixels( text, textBoxWidth );
// Make the text invisible again just in case (This is related with the TODO, it should be calculated by the Font class)
newText->show(false);
return textHeigh;
}
/**
* @brief Add a text to be render queue with the current properties set by user calls
*/
void FontManager::addText()
{
// Check the manager is ok
if ( !isValid() )
{
LOG_ERROR( "text error: FontManager not properly initialized. The init method has not been called or there are no active font" );
return;
}
// Add a new font (to be rendered later)
MovableText* newText = getNewText();
// Font properties
newText->setFontName( m_activeFontProperties.fontName );
newText->setCharacterHeight( m_activeFontProperties.size );
newText->setLeading( m_activeFontProperties.leading );
newText->setColor( GraphicsManager::getSingleton().getFillColor().normalized() );
newText->setTextAreaWidth( m_activeFontProperties.width );
newText->setTextAreaHeight( m_activeFontProperties.height );
newText->setTextAlignment(m_activeFontProperties.halign, m_activeFontProperties.valign);
newText->setCaption( m_activeFontProperties.text.toUTF() );
newText->setWordWrap( m_activeFontProperties.wordWrap );
// Text display properties
newText->showOnTop();
newText->setAlwaysFaceCamera( false );
newText->show();
// Get global transformation
Transform &t = GraphicsManager::getSingleton().m_transforms.top();
// Font Position
Vector fontPos( m_activeFontProperties.x, m_activeFontProperties.y, m_activeFontProperties.z );
Vector transformedPos = t.getPosition() + fontPos;
Vector scale = t.getScale();
// Control current coordinate system
if ( GraphicsManager::getSingleton().isProcessingMode() )
{
if ( m_activeFontProperties.render2d )
{
newText->setPosition( transformedPos.x, height - transformedPos.y );
newText->setScale( scale.x, -scale.y );
}
else
{
newText->setPosition( transformedPos );
newText->setScale( scale.x, -scale.y, scale.z );
}
newText->getParentNode()->setOrientation( t.getRotQuaternion().Inverse() );
}
else
{
if ( m_activeFontProperties.render2d )
{
newText->setPosition( transformedPos.x, transformedPos.y );
newText->setScale( scale.x, scale.y );
}
else
{
newText->setPosition( transformedPos );
newText->setScale( scale );
}
newText->getParentNode()->setOrientation( t.getRotQuaternion() );
}
// Setup text geometry for render
newText->_setupGeometry();
}