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Код

String word = "";
    String color = "";
    String bgColor = "";

    public void render() {


        HTMLEditorKit.ParserCallback callback =
                new HTMLEditorKit.ParserCallback() {
                    private String text;
                    private boolean f = false;

                    @Override
                    public void handleStartTag(HTML.Tag t, MutableAttributeSet a, int pos) {
                        if (HTML.Tag.B == t) {
                            f = true;
                            color = (String) a.getAttribute(HTML.Attribute.COLOR);
                        }
                        if (HTML.Tag.BODY == t) {
                            bgColor = a.getAttribute(HTML.Attribute.BGCOLOR).toString();
                        }
                    }

                    @Override
                    public void handleEndTag(HTML.Tag t, int pos) {
                        if (HTML.Tag.B == t) {
                            f = false;
                        }
                    }

                    public void handleText(char[] data, int pos) {
                        if (f == true) {
                            word = String.valueOf(data);
                            System.out.println("Position:" + pos + " Text:" + String.valueOf(data));
                        }
                    }
                };


        Reader reader = null;
        try {
            reader = new FileReader(ParserFrame.getPath());
            new ParserDelegator().parse(reader, callback, false);
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }


        try {
            Document d = sourcePane.getDocument();
            String content = d.getText(0, d.getLength()).toLowerCase();
            content = content.toLowerCase();
            String wordLow = word.toLowerCase();
            int offset = content.indexOf(wordLow);
            System.out.println(offset);
            sourcePane.getDocument().remove(offset, wordLow.length());
            sourcePane.getDocument().insertString(offset, "Yeah!!!", null);
        } catch (BadLocationException e) {
            e.printStackTrace();
        }

        imageFromText(word);

        BufferedImage bimage = new BufferedImage(pageWidth,
                pageHeight,
                BufferedImage.TYPE_INT_RGB);
        Graphics g = sourcePane.getGraphics();


        String subPath = parent.getPath().replaceAll("/+[^/]+html", "");
        File myPath = new File(subPath + "/render");
        myPath.mkdir();
        for (int i = 0; i < pages.size(); i++) {

            pages.get(i).paint(bimage.getGraphics());

            try {
                ImageIO.write(bimage, "PNG", new File(subPath + "/render/" + (i + 1) + ".png"));
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }

    public BufferedImage imageFromText(String text) {
        int w = 90;
        int h = 20;
        Font font = new Font("Serif", Font.PLAIN, 20);
        BufferedImage image = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
        Graphics2D g = image.createGraphics();
        adjustGraphics(g);

        //start off all white:
        g.setPaint(Color.WHITE);
        g.fillRect(0, 0, w, h);

        //draw "shadow" text: to be blurred next
        TextLayout textLayout = new TextLayout(text, font, g.getFontRenderContext());
        g.setPaint(new Color(128, 128, 255));
        textLayout.draw(g, 15, 105);
        g.dispose();

        //blur the shadow: result is sorted in image2
        float ninth = 1.0f / 9.0f;
        float[] kernel = {ninth, ninth, ninth, ninth, ninth, ninth, ninth, ninth, ninth};
        ConvolveOp op = new ConvolveOp(new Kernel(3, 3, kernel), ConvolveOp.EDGE_NO_OP, null);
        BufferedImage image2 = op.filter(image, null);

        //write "original" text on top of shadow
        Graphics2D g2 = image2.createGraphics();
        adjustGraphics(g2);
        g2.setPaint(Color.RED);
        textLayout.draw(g2, 10, 100);

        try {
            ImageIO.write(image2, "PNG", new File("D:/Programming/Samsung/blur.png"));
        } catch (IOException e) {
            e.printStackTrace();  //To change body of catch statement use File | Settings | File Templates.
        }
        return image2;
    }

    private void adjustGraphics(Graphics2D g) {
        g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
                RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
        g.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS,
                RenderingHints.VALUE_FRACTIONALMETRICS_ON);
    }