Example usage for java.awt Graphics2D drawImage

Introduction

In this page you can find the example usage for java.awt Graphics2D drawImage.

Prototype

public abstract void drawImage(BufferedImage img, BufferedImageOp op, int x, int y);

Source Link

Document

Renders a BufferedImage that is filtered with a BufferedImageOp .

Usage

From source file:nl.b3p.imagetool.ImageTool.java

public static BufferedImage drawGeometries(BufferedImage bi, CombineImageSettings settings, int srid, Bbox bbox,
        int width, int height) throws Exception {
    List wktGeoms = settings.getWktGeoms();
    if (wktGeoms == null || wktGeoms.size() <= 0) {
        return bi;
    }/*from w  w w.j a  v  a  2s.co  m*/
    BufferedImage newBufIm = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB_PRE);
    //        BufferedImage newBufIm = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
    Graphics2D gbi = newBufIm.createGraphics();
    gbi.drawImage(bi, 0, 0, null);
    for (int i = 0; i < wktGeoms.size(); i++) {
        gbi.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.5f));
        CombineImageWkt ciw = (CombineImageWkt) wktGeoms.get(i);
        Color color = settings.getDefaultWktGeomColor();
        if (ciw.getColor() != null) {
            color = ciw.getColor();
        }
        gbi.setColor(color);
        String wktGeom = ciw.getWktGeom();
        Geometry geom = geometrieFromText(wktGeom, srid);
        Shape shape = createImage(geom, srid, bbox, width, height);
        Point centerPoint = null;
        if (geom instanceof Polygon) {
            gbi.fill(shape);
        } else if (geom instanceof com.vividsolutions.jts.geom.Point) {
            centerPoint = calculateCenter(shape, srid, bbox, width, height);
            gbi.draw(new Ellipse2D.Double(centerPoint.getX(), centerPoint.getY(), 4, 4));
        } else {
            gbi.setStroke(new BasicStroke(3));
            gbi.draw(shape);
        }
        if (ciw.getLabel() != null) {
            if (centerPoint == null) {
                centerPoint = calculateCenter(shape, srid, bbox, width, height);
            }
            gbi.setColor(Color.black);
            gbi.drawString(ciw.getLabel(), (float) centerPoint.getX(), (float) centerPoint.getY());
        }
    }
    gbi.dispose();
    return newBufIm;
}

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From source file:com.android.hierarchyviewerlib.device.DeviceBridge.java

private static boolean readLayer(DataInputStream in, PsdFile psd) {
    try {/* w  ww . j a va2 s  .c o  m*/
        if (in.read() == 2) {
            return false;
        }
        String name = in.readUTF();
        boolean visible = in.read() == 1;
        int x = in.readInt();
        int y = in.readInt();
        int dataSize = in.readInt();

        byte[] data = new byte[dataSize];
        int read = 0;
        while (read < dataSize) {
            read += in.read(data, read, dataSize - read);
        }

        ByteArrayInputStream arrayIn = new ByteArrayInputStream(data);
        BufferedImage chunk = ImageIO.read(arrayIn);

        // Ensure the image is in the right format
        BufferedImage image = new BufferedImage(chunk.getWidth(), chunk.getHeight(),
                BufferedImage.TYPE_INT_ARGB);
        Graphics2D g = image.createGraphics();
        g.drawImage(chunk, null, 0, 0);
        g.dispose();

        psd.addLayer(name, image, new Point(x, y), visible);

        return true;
    } catch (Exception e) {
        return false;
    }
}

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From source file:com.piaoyou.util.ImageUtil.java

/**
 * This method write the image to a stream.
 * It auto detect the image is Image or BufferedImage.
 * This method close the output stream before it return.
 *
 * @param image Image/*from  w w  w. j  a va 2  s  .  c  o m*/
 * @param outputStream OutputStream
 * @throws IOException
 */
public static void writeJpegImage_Sun(Image image, OutputStream outputStream) throws IOException {

    if (outputStream == null) {
        return;
    }

    try {
        BufferedImage bufferedImage = null;
        if (image instanceof BufferedImage) {
            bufferedImage = (BufferedImage) image;
        } else {
            // 30% cpu resource
            bufferedImage = new BufferedImage(image.getWidth(null), image.getHeight(null),
                    BufferedImage.TYPE_INT_RGB);

            // 7.5 cpu
            Graphics2D g = bufferedImage.createGraphics();

            // 50% cpu
            g.drawImage(image, 0, 0, null);
            g.dispose(); // free resource
        }

        // write it to disk
        // 12% cpu
        //JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(outputStream);
        //encoder.encode(bufferedImage);
        ImageIO.write(bufferedImage, "jpeg", outputStream);
    } finally {
        if (outputStream != null) {
            try {
                outputStream.close();
            } catch (IOException ex) {
                ex.printStackTrace();
            }
        }
    }
}

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From source file:de.bund.bfr.knime.gis.views.canvas.CanvasUtils.java

public static void drawImageWithAlpha(Graphics2D g, BufferedImage img, int alpha) {
    float[] edgeScales = { 1f, 1f, 1f, alpha / 255.0f };
    float[] edgeOffsets = new float[4];

    g.drawImage(img, new RescaleOp(edgeScales, edgeOffsets, null), 0, 0);
}

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From source file:edu.ku.brc.specify.plugins.ipadexporter.InstitutionConfigDlg.java

public static BufferedImage toBufferedImage(final Image img) {
    if (img instanceof BufferedImage) {
        return (BufferedImage) img;
    }/*from   w w w .  j a v  a 2  s.co  m*/

    // Create a buffered image with transparency
    BufferedImage bimage = new BufferedImage(img.getWidth(null), img.getHeight(null),
            BufferedImage.TYPE_INT_ARGB);
    // Draw the image on to the buffered image
    Graphics2D bGr = bimage.createGraphics();
    bGr.drawImage(img, 0, 0, null);
    bGr.dispose();

    // Return the buffered image
    return bimage;
}

---

From source file:com.aimluck.eip.fileupload.util.FileuploadUtils.java

/**
 * ?????????/*from www  .  j av a 2  s.c om*/
 * 
 * @param imgfile
 * @param dim
 * @return
 */
public static BufferedImage shrinkImage(BufferedImage imgfile, int width, int height) {

    int iwidth = imgfile.getWidth();
    int iheight = imgfile.getHeight();

    double ratio = Math.min((double) width / (double) iwidth, (double) height / (double) iheight);
    int shrinkedWidth = (int) (iwidth * ratio);
    int shrinkedHeight = (int) (iheight * ratio);

    // ??
    Image targetImage = imgfile.getScaledInstance(shrinkedWidth, shrinkedHeight, Image.SCALE_AREA_AVERAGING);
    BufferedImage tmpImage = new BufferedImage(targetImage.getWidth(null), targetImage.getHeight(null),
            BufferedImage.TYPE_3BYTE_BGR);
    Graphics2D g = tmpImage.createGraphics();
    g.setColor(Color.WHITE);
    g.fillRect(0, 0, shrinkedWidth, shrinkedHeight);
    g.drawImage(targetImage, 0, 0, null);

    return tmpImage;
}

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From source file:com.zacwolf.commons.email.Email.java

public static BufferedImage makeRoundedBanner(BufferedImage image, int cornerRadius) {
    int w = image.getWidth();
    int h = image.getHeight() + 10;
    BufferedImage output = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2 = output.createGraphics();
    g2.setComposite(AlphaComposite.Src);
    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g2.setColor(Color.WHITE);/*  w  w w .ja  va  2 s . c  o m*/
    g2.fill(new RoundRectangle2D.Float(0, 0, w, h, cornerRadius, cornerRadius));
    g2.setComposite(AlphaComposite.SrcAtop);
    g2.drawImage(image, 0, 0, null);
    g2.setComposite(AlphaComposite.SrcOver);
    //               g2.setColor(new Color(153,153,153));//slight grey border
    //               g2.drawRoundRect(0, 0, w-1, h, cornerRadius, cornerRadius);
    g2.dispose();
    return output.getSubimage(0, 0, image.getWidth(), image.getHeight());
}

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From source file:common.utils.ImageUtils.java

/**
 *
 * @param src images to draw, they must be resized to an appropriate size
 * @param dst image where given images will be drawen
 *//*from w  w w. j  a  v a 2 s  .  c  o  m*/
public static void draw4on1(BufferedImage[] src, BufferedImage dst) {
    Graphics2D g2 = dst.createGraphics();
    g2.setColor(java.awt.Color.WHITE);
    g2.fillRect(0, 0, dst.getWidth(), dst.getHeight());
    int dxi;
    int dyi = 0;

    int x0 = dst.getWidth() - 5;
    int y0 = 5;
    int x = x0;
    int y = y0;
    for (int i = 0; i < src.length; i++) {
        if (i % 2 == 0) {
            dxi = -10;
        } else {
            dxi = 0;
        }
        //g2.draw3DRect(dx - 1 , dy-tmp_bi.getHeight() - 1, tmp_bi.getWidth() + 1 , tmp_bi.getHeight() + 1, true);
        g2.drawImage(src[i], x - src[i].getWidth() + dxi, y + dyi, null);
        g2.drawString("#" + i, x - src[i].getWidth() + dxi, y + dyi + 20);
        //g2.rotate(Math.toRadians(4));
        y = y + src[i].getHeight() / 2;
        if (y > dst.getHeight() - src[i].getHeight()) {
            y = y0;
            if (dyi == 0)
                dyi = 10;
            else
                dyi = 0;
            if (x < src[i].getWidth()) {
                x = dst.getWidth();
            }
            x = x - src[i].getWidth() / 2;
        }
    }
    g2.setColor(Color.gray);
    g2.drawRect(0, 0, dst.getWidth() - 1, dst.getHeight() - 1);
    g2.dispose();
}

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From source file:net.semanticmetadata.lire.utils.FileUtils.java

public static void saveImageResultsToPng(String prefix, TopDocs hits, String queryImage, IndexReader ir)
        throws IOException {
    LinkedList<BufferedImage> results = new LinkedList<BufferedImage>();
    int width = 0;
    for (int i = 0; i < Math.min(hits.scoreDocs.length, 10); i++) {
        // hits.score(i)
        // hits.doc(i).get("descriptorImageIdentifier")
        BufferedImage tmp = ImageIO
                .read(new FileInputStream(ir.document(hits.scoreDocs[i].doc).get("descriptorImageIdentifier")));
        if (tmp.getHeight() > 200) {
            double factor = 200d / ((double) tmp.getHeight());
            tmp = ImageUtils.scaleImage(tmp, (int) (tmp.getWidth() * factor), 200);
        }// w  w  w . j a v  a  2  s  . c om
        width += tmp.getWidth() + 5;
        results.add(tmp);
    }
    BufferedImage result = new BufferedImage(width, 220, BufferedImage.TYPE_INT_RGB);
    Graphics2D g2 = (Graphics2D) result.getGraphics();
    g2.setColor(Color.black);
    g2.clearRect(0, 0, result.getWidth(), result.getHeight());
    g2.setColor(Color.green);
    g2.setFont(Font.decode("\"Arial\", Font.BOLD, 12"));
    int offset = 0;
    int count = 0;
    for (Iterator<BufferedImage> iterator = results.iterator(); iterator.hasNext();) {
        BufferedImage next = iterator.next();
        g2.drawImage(next, offset, 20, null);
        g2.drawString(hits.scoreDocs[count].score + "", offset + 5, 12);
        offset += next.getWidth() + 5;
        count++;
    }
    ImageIO.write(result, "PNG", new File(prefix + "_" + (System.currentTimeMillis() / 1000) + ".png"));
}

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From source file:com.github.lucapino.sheetmaker.PreviewJFrame.java

public static BufferedImage makeRoundedCorner(BufferedImage image, int cornerRadius) {
    int w = image.getWidth();
    int h = image.getHeight();
    BufferedImage output = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);

    Graphics2D g2 = output.createGraphics();

    // This is what we want, but it only does hard-clipping, i.e. aliasing
    // g2.setClip(new RoundRectangle2D ...)
    // so instead fake soft-clipping by first drawing the desired clip shape
    // in fully opaque white with antialiasing enabled...
    g2.setComposite(AlphaComposite.Src);
    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g2.setColor(Color.WHITE);//from  w  w w  .j a  v a 2  s.  c o  m
    g2.fill(new RoundRectangle2D.Float(0, 0, w, h, cornerRadius, cornerRadius));

    // ... then compositing the image on top,
    // using the white shape from above as alpha source
    g2.setComposite(AlphaComposite.SrcIn);
    g2.drawImage(image, 0, 0, null);

    g2.dispose();

    return output;
}

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