public  void addFontList(List fontInfoList) 
{
   
        if (this.fontList == null) {
            setFontList(fontInfoList);
        } else {
            this.fontList.addAll(fontInfoList);
        }
}

adds a font list to current list of fonts

 protected RendererContext createRendererContext(int x,
    int y,
    int width,
    int height,
    Map foreignAttributes) 
{
        RendererContext context;
        context = new RendererContext(this, getMimeType());
        context.setUserAgent(userAgent);
        context.setProperty(RendererContextConstants.WIDTH,
                            new Integer(width));
        context.setProperty(RendererContextConstants.HEIGHT,
                            new Integer(height));
        context.setProperty(RendererContextConstants.XPOS,
                            new Integer(x));
        context.setProperty(RendererContextConstants.YPOS,
                            new Integer(y));
        context.setProperty(RendererContextConstants.PAGE_VIEWPORT, 
                            getCurrentPageViewport());
        if (foreignAttributes != null) {
            context.setProperty(RendererContextConstants.FOREIGN_ATTRIBUTES, foreignAttributes);
        }
        return context;
}

Creates a RendererContext for an image.

 protected Font getFontFromArea(Area area) 
{
        FontTriplet triplet = (FontTriplet)area.getTrait(Trait.FONT);
        int size = ((Integer)area.getTrait(Trait.FONT_SIZE)).intValue();
        return fontInfo.getFontInstance(triplet, size);
}

Returns a Font object constructed based on the font traits in an area

 public FontResolver getFontResolver() 
{
        if (this.fontResolver == null) {
            this.fontResolver = new DefaultFontResolver(super.userAgent);
        }
        return this.fontResolver;
}

Get FontResolver

 protected String getInternalFontNameForArea(Area area) 
{
        FontTriplet triplet = (FontTriplet)area.getTrait(Trait.FONT);
        return fontInfo.getInternalFontKey(triplet);
}

Returns the internal font key for a font triplet coming from the area tree

 public static Color lightenColor(Color col,
    float factor) 
{
        // TODO: This function converts the color into the sRGB namespace.
        // This should be avoided if possible.
        float[] cols = new float[4];
        cols = col.getRGBComponents(cols);
        if (factor  > 0) {
            cols[0] += (1.0 - cols[0]) * factor;
            cols[1] += (1.0 - cols[1]) * factor;
            cols[2] += (1.0 - cols[2]) * factor;
        } else {
            cols[0] -= cols[0] * -factor;
            cols[1] -= cols[1] * -factor;
            cols[2] -= cols[2] * -factor;
        }
        return new Color(cols[0], cols[1], cols[2], cols[3]);
}

Lightens up a color for groove, ridge, inset and outset border effects.

 public  void renderDocument(Document doc,
    String ns,
    Rectangle2D pos,
    Map foreignAttributes) 
{
        int x = currentIPPosition + (int) pos.getX(); 
        int y = currentBPPosition + (int) pos.getY();
        int width = (int)pos.getWidth();
        int height = (int)pos.getHeight();
        RendererContext context = createRendererContext(x, y, width, height, foreignAttributes);
        renderXML(context, doc, ns);
}

Renders an XML document (SVG for example).

 public  void setFontList(List fontList) 
{
        this.fontList = fontList;
}

 public  void setupFontInfo(FontInfo inFontInfo) 
{
        this.fontInfo = inFontInfo;
        FontSetup.setup(fontInfo, fontList, fontResolver, 
                userAgent.getFactory().isBase14KerningEnabled());
}

Set up the font info