Examples with Graphics2D java.awt.Graphics2D used on opensource projects

Example 1 with Graphics2D

use of java.awt.Graphics2D in project jmonkeyengine by jMonkeyEngine.

the class LwjglWindow method imageToGLFWImage.

/**
     * Convert the {@link BufferedImage} to the {@link GLFWImage}.
     */
private GLFWImage imageToGLFWImage(BufferedImage image) {
    if (image.getType() != BufferedImage.TYPE_INT_ARGB_PRE) {
        final BufferedImage convertedImage = new BufferedImage(image.getWidth(), image.getHeight(), BufferedImage.TYPE_INT_ARGB_PRE);
        final Graphics2D graphics = convertedImage.createGraphics();
        final int targetWidth = image.getWidth();
        final int targetHeight = image.getHeight();
        graphics.drawImage(image, 0, 0, targetWidth, targetHeight, null);
        graphics.dispose();
        image = convertedImage;
    }
    final ByteBuffer buffer = BufferUtils.createByteBuffer(image.getWidth() * image.getHeight() * 4);
    for (int i = 0; i < image.getHeight(); i++) {
        for (int j = 0; j < image.getWidth(); j++) {
            int colorSpace = image.getRGB(j, i);
            buffer.put((byte) ((colorSpace << 8) >> 24));
            buffer.put((byte) ((colorSpace << 16) >> 24));
            buffer.put((byte) ((colorSpace << 24) >> 24));
            buffer.put((byte) (colorSpace >> 24));
        }
    }
    buffer.flip();
    final GLFWImage result = GLFWImage.create();
    result.set(image.getWidth(), image.getHeight(), buffer);
    return result;
}

Example 2 with Graphics2D

use of java.awt.Graphics2D in project jersey by jersey.

the class SparklinesResource method smooth.

@Path("smooth")
@GET
public Response smooth(@DefaultValue("2") @QueryParam("step") final int step, @DefaultValue("true") @QueryParam("min-m") final boolean hasMin, @DefaultValue("true") @QueryParam("max-m") final boolean hasMax, @DefaultValue("true") @QueryParam("last-m") final boolean hasLast, @DefaultValue("blue") @QueryParam("min-color") final ColorParam minColor, @DefaultValue("green") @QueryParam("max-color") final ColorParam maxColor, @DefaultValue("red") @QueryParam("last-color") final ColorParam lastColor) {
    final BufferedImage image = new BufferedImage(data.size() * step - 4, imageHeight, BufferedImage.TYPE_INT_RGB);
    final Graphics2D g = image.createGraphics();
    g.setBackground(Color.WHITE);
    g.clearRect(0, 0, image.getWidth(), image.getHeight());
    g.setColor(Color.gray);
    final int[] xs = new int[data.size()];
    final int[] ys = new int[data.size()];
    final int gap = 4;
    final float d = (limits.width() + 1) / (float) (imageHeight - gap);
    for (int i = 0, x = 0; i < data.size(); i++, x += step) {
        final int v = data.get(i);
        xs[i] = x;
        ys[i] = imageHeight - 3 - (int) ((v - limits.lower()) / d);
    }
    g.drawPolyline(xs, ys, data.size());
    if (hasMin) {
        final int i = data.indexOf(Collections.min(data));
        g.setColor(minColor);
        g.fillRect(xs[i] - step / 2, ys[i] - step / 2, step, step);
    }
    if (hasMax) {
        final int i = data.indexOf(Collections.max(data));
        g.setColor(maxColor);
        g.fillRect(xs[i] - step / 2, ys[i] - step / 2, step, step);
    }
    if (hasMax) {
        g.setColor(lastColor);
        g.fillRect(xs[xs.length - 1] - step / 2, ys[ys.length - 1] - step / 2, step, step);
    }
    return Response.ok(image).tag(tag).build();
}

Example 3 with Graphics2D

use of java.awt.Graphics2D in project Openfire by igniterealtime.

the class GraphServlet method writePDFContent.

private void writePDFContent(HttpServletRequest request, HttpServletResponse response, JFreeChart[] charts, Statistic[] stats, long starttime, long endtime, int width, int height) throws IOException {
    try {
        Document document = new Document(PageSize.A4, 50, 50, 50, 50);
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        PdfWriter writer = PdfWriter.getInstance(document, baos);
        writer.setPageEvent(new PDFEventListener(request));
        document.open();
        int index = 0;
        int chapIndex = 0;
        for (Statistic stat : stats) {
            String serverName = XMPPServer.getInstance().getServerInfo().getXMPPDomain();
            String dateName = JiveGlobals.formatDate(new Date(starttime)) + " - " + JiveGlobals.formatDate(new Date(endtime));
            Paragraph paragraph = new Paragraph(serverName, FontFactory.getFont(FontFactory.HELVETICA, 18, Font.BOLD));
            document.add(paragraph);
            paragraph = new Paragraph(dateName, FontFactory.getFont(FontFactory.HELVETICA, 14, Font.PLAIN));
            document.add(paragraph);
            document.add(Chunk.NEWLINE);
            document.add(Chunk.NEWLINE);
            Paragraph chapterTitle = new Paragraph(++chapIndex + ". " + stat.getName(), FontFactory.getFont(FontFactory.HELVETICA, 16, Font.BOLD));
            document.add(chapterTitle);
            // total hack: no idea what tags people are going to use in the description
            // possibly recommend that we only use a <p> tag?
            String[] paragraphs = stat.getDescription().split("<p>");
            for (String s : paragraphs) {
                Paragraph p = new Paragraph(s);
                document.add(p);
            }
            document.add(Chunk.NEWLINE);
            PdfContentByte contentByte = writer.getDirectContent();
            PdfTemplate template = contentByte.createTemplate(width, height);
            Graphics2D graphs2D = template.createGraphics(width, height, new DefaultFontMapper());
            Rectangle2D rectangle2D = new Rectangle2D.Double(0, 0, width, height);
            charts[index++].draw(graphs2D, rectangle2D);
            graphs2D.dispose();
            float x = (document.getPageSize().width() / 2) - (width / 2);
            contentByte.addTemplate(template, x, writer.getVerticalPosition(true) - height);
            document.newPage();
        }
        document.close();
        // setting some response headers
        response.setHeader("Expires", "0");
        response.setHeader("Cache-Control", "must-revalidate, post-check=0, pre-check=0");
        response.setHeader("Pragma", "public");
        // setting the content type
        response.setContentType("application/pdf");
        // the contentlength is needed for MSIE!!!
        response.setContentLength(baos.size());
        // write ByteArrayOutputStream to the ServletOutputStream
        ServletOutputStream out = response.getOutputStream();
        baos.writeTo(out);
        out.flush();
    } catch (DocumentException e) {
        Log.error("error creating PDF document: " + e.getMessage());
    }
}

Example 4 with Graphics2D

use of java.awt.Graphics2D in project jmonkeyengine by jMonkeyEngine.

the class CombinedTexture method scale.

/**
     * This method scales the given texture to the given size.
     * 
     * @param texture
     *            the texture to be scaled
     * @param width
     *            new width of the texture
     * @param height
     *            new height of the texture
     */
private void scale(Texture2D texture, int width, int height) {
    // first determine if scaling is required
    boolean scaleRequired = texture.getImage().getWidth() != width || texture.getImage().getHeight() != height;
    if (scaleRequired) {
        Image image = texture.getImage();
        BufferedImage sourceImage = ImageToAwt.convert(image, false, true, 0);
        int sourceWidth = sourceImage.getWidth();
        int sourceHeight = sourceImage.getHeight();
        BufferedImage targetImage = new BufferedImage(width, height, sourceImage.getType());
        Graphics2D g = targetImage.createGraphics();
        g.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
        g.drawImage(sourceImage, 0, 0, width, height, 0, 0, sourceWidth, sourceHeight, null);
        g.dispose();
        Image output = new ImageLoader().load(targetImage, false);
        image.setWidth(width);
        image.setHeight(height);
        image.setData(output.getData(0));
        image.setFormat(output.getFormat());
    }
}

Example 5 with Graphics2D

use of java.awt.Graphics2D in project jna by java-native-access.

the class DragHandler method createDragImage.

/** Create an image from the given icon.  The image is provided to the
     * native handler if drag images are supported natively.
     * @param gc current graphics configuration.
     * @param icon Icon on which to base the drag image.
     * @return image based on the given icon.
     */
protected Image createDragImage(GraphicsConfiguration gc, Icon icon) {
    int w = icon.getIconWidth();
    int h = icon.getIconHeight();
    BufferedImage image = gc.createCompatibleImage(w, h, Transparency.TRANSLUCENT);
    Graphics2D g = (Graphics2D) image.getGraphics();
    g.setComposite(AlphaComposite.Clear);
    g.fillRect(0, 0, w, h);
    // Ignore pixels in the buffered image
    g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC, ghostAlpha));
    icon.paintIcon(dragSource, g, 0, 0);
    g.dispose();
    return image;
}