Method drawTextSpan

blocks/Cairo/src/Cairo.cpp:2034–2083

	}

	void	drawTextSpan( const svg::TextSpan &span ) {
		if( ! shouldRender( span ) )
			return;
					
#if 0
		/*std::vector<std::pair<uint16_t,vec2> > glyphs = span.getGlyphMeasures();
		
		vec2 curPoint = mCtx.getCurrentPoint();
		for( size_t g = 0; g < glyphs.size(); ++g ) {
			mCtx.save();
			mCtx.translate( glyphs[g].second.x + curPoint.x, curPoint.y );
			mCtx.appendPath( font->getGlyphShape( glyphs[g].first ) );
			mCtx.restore();				
		}*/
		mCtx.appendPath( span.getShape() );
#else		
		std::shared_ptr<Font> font = span.getFont();
		mCtx.setFont( *font );

		mCtx.moveTo( mTextPenStack.back() );
		// we can use a text path when the rotate is empty
		if( fabs(mTextRotationStack.back()) < 0.0001f ) {
			mCtx.textPath( span.getString() );
			mTextPenStack.back() = mCtx.getCurrentPoint();
		}
		else {
			mCtx.save();
			cairo::Matrix fontMatrix, oldFontMatrix, rotationMatrix;
			mCtx.getFontMatrix( &oldFontMatrix );
			rotationMatrix.initRotate( toRadians( mTextRotationStack.back() ) );
			fontMatrix = oldFontMatrix;
			fontMatrix *= rotationMatrix;
			mCtx.setFontMatrix( fontMatrix );
			TextBox tbox = TextBox().font( *font ).text( span.getString() );
			auto glyphs = tbox.measureGlyphs();
			vec2 curPoint = mCtx.getCurrentPoint();
			for( size_t g = 0; g < glyphs.size(); ++g ) {
				mCtx.save();
				mCtx.translate( glyphs[g].second.x + curPoint.x, /*glyphs[g].second.y + */curPoint.y );
				glyphs[g].second.x = 0;
				glyphs[g].second.y = 0;
				mCtx.glyphPath( glyphs[g].first, vec2( 0 ) );
				mCtx.restore();				
			}
			mTextPenStack.back() = mCtx.getCurrentPoint();
			mCtx.restore();
		}
#endif
		strokeAndFill( span );
	}

	void	pushMatrix( const mat3 &top ) {
		mat3 m = mMatrixStack.back() * top;