RTEditor/src/main/java/com/onegravity/rteditor/converter/ConverterSpannedToHtml.java
public RTHtml<RTImage, RTAudio, RTVideo> convert(final Spanned text, RTFormat.Html rtFormat) {
        mText = text;
        mRTFormat = rtFormat;

        mOut = new StringBuilder();
        mImages = new ArrayList<>();
        mParagraphStyles.clear();

        // convert paragraphs
        convertParagraphs();

        return new RTHtml<>(rtFormat, mOut.toString(), mImages);
    }
public RTHtml<RTImage, RTAudio, RTVideo> convert(final Spanned text, RTFormat.Html rtFormat) {
        mText = text;
        mRTFormat = rtFormat;

        mOut = new StringBuilder();
        mImages = new ArrayList<>();
        mParagraphStyles.clear();

        // convert paragraphs
        convertParagraphs();

        return new RTHtml<>(rtFormat, mOut.toString(), mImages);
    }
Converts a spanned text to HTML