Example usage for java.awt Graphics2D setComposite

Introduction

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

Prototype

public abstract void setComposite(Composite comp);

Source Link

Document

Sets the Composite for the Graphics2D context.

Usage

From source file:ch.rasc.downloadchart.DownloadChartServlet.java

private static void handleJpg(HttpServletResponse response, byte[] imageData, Integer width, Integer height,
        String filename, JpegOptions options) throws IOException {

    response.setContentType("image/jpeg");
    response.setHeader("Content-Disposition", "attachment; filename=\"" + filename + ".jpg\";");

    BufferedImage image = ImageIO.read(new ByteArrayInputStream(imageData));

    Dimension newDimension = calculateDimension(image, width, height);
    int imgWidth = image.getWidth();
    int imgHeight = image.getHeight();
    if (newDimension != null) {
        imgWidth = newDimension.width;/*from   w ww. j  a v a2  s.c o  m*/
        imgHeight = newDimension.height;
    }

    BufferedImage newImage = new BufferedImage(imgWidth, imgHeight, BufferedImage.TYPE_INT_RGB);

    Graphics2D g = newImage.createGraphics();
    g.drawImage(image, 0, 0, imgWidth, imgHeight, Color.BLACK, null);
    g.dispose();

    if (newDimension != null) {
        g.setComposite(AlphaComposite.Src);
        g.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
        g.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
        g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    }

    try (ImageOutputStream ios = ImageIO.createImageOutputStream(response.getOutputStream())) {
        Iterator<ImageWriter> iter = ImageIO.getImageWritersByFormatName("jpg");
        ImageWriter writer = iter.next();
        ImageWriteParam iwp = writer.getDefaultWriteParam();
        iwp.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
        if (options != null && options.quality != null && options.quality != 0 && options.quality != 100) {
            iwp.setCompressionQuality(options.quality / 100f);
        } else {
            iwp.setCompressionQuality(1);
        }
        writer.setOutput(ios);
        writer.write(null, new IIOImage(newImage, null, null), iwp);
        writer.dispose();
    }
}

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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);/*ww  w . j  av a 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:com.zacwolf.commons.email.Email.java

public static BufferedImage makeRoundedFooter(int width, int cornerRadius, Color bgcolor, Color border)
        throws Exception {
    int height = (cornerRadius * 2) + 10;
    BufferedImage output = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2 = output.createGraphics();
    g2.setComposite(AlphaComposite.Src);
    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g2.setColor(bgcolor);//from  w ww .  j a  v  a 2  s  .  c om
    g2.fillRoundRect(0, 0, width, height - 1, cornerRadius, cornerRadius);
    g2.setComposite(AlphaComposite.SrcOver);
    if (border != null) {
        g2.setColor(border);
        g2.drawRoundRect(0, 0, width - 1, height - 2, cornerRadius, cornerRadius);
    }
    g2.dispose();
    Rectangle clip = createClip(output, new Dimension(width, cornerRadius), 0, height - cornerRadius - 1);
    return output.getSubimage(clip.x, clip.y, clip.width, clip.height);
}

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From source file:net.rptools.lib.image.ImageUtil.java

public static void clearImage(BufferedImage image) {
    if (image == null)
        return;//from w w w . j a  v a  2s.  co  m

    Graphics2D g = null;
    try {
        g = (Graphics2D) image.getGraphics();
        Composite oldComposite = g.getComposite();
        g.setComposite(AlphaComposite.Clear);
        g.fillRect(0, 0, image.getWidth(), image.getHeight());
        g.setComposite(oldComposite);
    } finally {
        if (g != null) {
            g.dispose();
        }
    }
}

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From source file:com.t3.image.ImageUtil.java

public static void clearImage(BufferedImage image) {

    if (image == null) {
        return;/*from   w ww . ja  v a 2  s.  co m*/
    }

    Graphics2D g = null;
    try {

        g = (Graphics2D) image.getGraphics();
        Composite oldComposite = g.getComposite();

        g.setComposite(AlphaComposite.Clear);

        g.fillRect(0, 0, image.getWidth(), image.getHeight());

        g.setComposite(oldComposite);
    } finally {
        if (g != null) {
            g.dispose();
        }
    }
}

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From source file:com.cmart.PageControllers.SellItemImagesController.java

private static BufferedImage resizeImageWithHint(BufferedImage originalImage, int type, int width, int height) {

    BufferedImage resizedImage = new BufferedImage(width, width, type);
    Graphics2D g = resizedImage.createGraphics();
    g.drawImage(originalImage, 0, 0, width, width, null);
    g.dispose();//from  www.j  a  v  a2  s. c  o  m
    g.setComposite(AlphaComposite.Src);

    g.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
    g.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
    g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

    return resizedImage;
}

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From source file:nl.b3p.viewer.image.ImageTool.java

/**
 * Draws the image to the graphics object.
 * @param gbi graphics object//from  ww w . ja v a2 s.c o  m
 * @param image the referenced image.
 */
private static void drawImage(Graphics2D gbi, ReferencedImage image) {
    if (image.getAlpha() != null) {
        gbi.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, image.getAlpha()));
    } else {
        gbi.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 1.0f));
    }
    Integer x = image.getX();
    Integer y = image.getY();
    if (x == null) {
        x = 0;
    }
    if (y == null) {
        y = 0;
    }
    if (image.getHeight() != null && image.getWidth() != null) {
        gbi.drawImage(image.getImage(), x, y, image.getWidth(), image.getHeight(), null);
    } else {
        gbi.drawImage(image.getImage(), x, y, null);
    }
}

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

/**
 * Draws the image to the graphics object.
 *
 * @param gbi graphics object//from   w ww  .j a va  2  s  .  co  m
 * @param image the referenced image.
 */
private static void drawImage(Graphics2D gbi, ReferencedImage image) throws Exception {
    if (image.getAlpha() != null) {
        gbi.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, image.getAlpha()));
    } else {
        gbi.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 1.0f));
    }
    Integer x = image.getX();
    Integer y = image.getY();
    if (x == null) {
        x = 0;
    }
    if (y == null) {
        y = 0;
    }
    if (image.getHeight() != null && image.getWidth() != null) {
        gbi.drawImage(image.getImage(), x, y, image.getWidth(), image.getHeight(), null);
    } else {
        gbi.drawImage(image.getImage(), x, y, null);
    }
}

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From source file:net.shopxx.util.ImageUtil.java

/**
 * ?/* w w  w .j  av  a 2  s. c om*/
 * @param srcFile ?
 * @param destFile 
 * @param watermarkFile ?
 * @param watermarkPosition ??
 * @param alpha ??
 */
public static void addWatermark(File srcFile, File destFile, File watermarkFile,
        WatermarkPosition watermarkPosition, int alpha) {
    Assert.notNull(srcFile);
    Assert.notNull(destFile);
    Assert.state(alpha >= 0);
    Assert.state(alpha <= 100);
    if (watermarkFile == null || !watermarkFile.exists() || watermarkPosition == null
            || watermarkPosition == WatermarkPosition.no) {
        return;
    }
    if (type == Type.jdk) {
        try {
            BufferedImage srcBufferedImage = ImageIO.read(srcFile);
            int srcWidth = srcBufferedImage.getWidth();
            int srcHeight = srcBufferedImage.getHeight();
            BufferedImage destBufferedImage = new BufferedImage(srcWidth, srcHeight,
                    BufferedImage.TYPE_INT_RGB);
            Graphics2D graphics2D = destBufferedImage.createGraphics();
            graphics2D.setBackground(BACKGROUND_COLOR);
            graphics2D.clearRect(0, 0, srcWidth, srcHeight);
            graphics2D.drawImage(srcBufferedImage, 0, 0, null);
            graphics2D.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_ATOP, alpha / 100.0F));

            BufferedImage watermarkBufferedImage = ImageIO.read(watermarkFile);
            int watermarkImageWidth = watermarkBufferedImage.getWidth();
            int watermarkImageHeight = watermarkBufferedImage.getHeight();
            int x = srcWidth - watermarkImageWidth;
            int y = srcHeight - watermarkImageHeight;
            if (watermarkPosition == WatermarkPosition.topLeft) {
                x = 0;
                y = 0;
            } else if (watermarkPosition == WatermarkPosition.topRight) {
                x = srcWidth - watermarkImageWidth;
                y = 0;
            } else if (watermarkPosition == WatermarkPosition.center) {
                x = (srcWidth - watermarkImageWidth) / 2;
                y = (srcHeight - watermarkImageHeight) / 2;
            } else if (watermarkPosition == WatermarkPosition.bottomLeft) {
                x = 0;
                y = srcHeight - watermarkImageHeight;
            } else if (watermarkPosition == WatermarkPosition.bottomRight) {
                x = srcWidth - watermarkImageWidth;
                y = srcHeight - watermarkImageHeight;
            }
            graphics2D.drawImage(watermarkBufferedImage, x, y, watermarkImageWidth, watermarkImageHeight, null);
            graphics2D.dispose();

            FileOutputStream out = new FileOutputStream(destFile);
            JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
            JPEGEncodeParam param = encoder.getDefaultJPEGEncodeParam(destBufferedImage);
            param.setQuality((float) DEST_QUALITY / 100, false);
            encoder.setJPEGEncodeParam(param);
            encoder.encode(destBufferedImage);
            out.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    } else {
        String gravity = "SouthEast";
        if (watermarkPosition == WatermarkPosition.topLeft) {
            gravity = "NorthWest";
        } else if (watermarkPosition == WatermarkPosition.topRight) {
            gravity = "NorthEast";
        } else if (watermarkPosition == WatermarkPosition.center) {
            gravity = "Center";
        } else if (watermarkPosition == WatermarkPosition.bottomLeft) {
            gravity = "SouthWest";
        } else if (watermarkPosition == WatermarkPosition.bottomRight) {
            gravity = "SouthEast";
        }
        IMOperation operation = new IMOperation();
        operation.gravity(gravity);
        operation.dissolve(alpha);
        operation.quality((double) DEST_QUALITY);
        operation.addImage(watermarkFile.getPath());
        operation.addImage(srcFile.getPath());
        operation.addImage(destFile.getPath());
        if (type == Type.graphicsMagick) {
            CompositeCmd compositeCmd = new CompositeCmd(true);
            if (graphicsMagickPath != null) {
                compositeCmd.setSearchPath(graphicsMagickPath);
            }
            try {
                compositeCmd.run(operation);
            } catch (IOException e) {
                e.printStackTrace();
            } catch (InterruptedException e) {
                e.printStackTrace();
            } catch (IM4JavaException e) {
                e.printStackTrace();
            }
        } else {
            CompositeCmd compositeCmd = new CompositeCmd(false);
            if (imageMagickPath != null) {
                compositeCmd.setSearchPath(imageMagickPath);
            }
            try {
                compositeCmd.run(operation);
            } catch (IOException e) {
                e.printStackTrace();
            } catch (InterruptedException e) {
                e.printStackTrace();
            } catch (IM4JavaException e) {
                e.printStackTrace();
            }
        }
    }
}

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From source file:nl.b3p.viewer.image.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;
    }// w  w  w.j  ava  2s.c om
    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.fill(new Ellipse2D.Double(centerPoint.getX(), centerPoint.getY(), 8, 8));
        } else {
            float strokeWidth = ciw.getStrokeWidth() != null ? ciw.getStrokeWidth() : 3f;
            gbi.setStroke(new BasicStroke(strokeWidth));
            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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