OutlineTextRenderer.java 文件源码

public void drawString(SunGraphics2D g2d, String str, double x, double y) {

        if ("".equals(str)) {
            return; // TextLayout constructor throws IAE on "".
        }
        TextLayout tl = new TextLayout(str, g2d.getFont(),
                                       g2d.getFontRenderContext());
        Shape s = tl.getOutline(AffineTransform.getTranslateInstance(x, y));

        int textAAHint = g2d.getFontInfo().aaHint;

        int prevaaHint = - 1;
        if (textAAHint != SunHints.INTVAL_TEXT_ANTIALIAS_OFF &&
            g2d.antialiasHint != SunHints.INTVAL_ANTIALIAS_ON) {
            prevaaHint = g2d.antialiasHint;
            g2d.antialiasHint =  SunHints.INTVAL_ANTIALIAS_ON;
            g2d.validatePipe();
        } else if (textAAHint == SunHints.INTVAL_TEXT_ANTIALIAS_OFF
            && g2d.antialiasHint != SunHints.INTVAL_ANTIALIAS_OFF) {
            prevaaHint = g2d.antialiasHint;
            g2d.antialiasHint =  SunHints.INTVAL_ANTIALIAS_OFF;
            g2d.validatePipe();
        }

        g2d.fill(s);

        if (prevaaHint != -1) {
             g2d.antialiasHint = prevaaHint;
             g2d.validatePipe();
        }
    }