Example usage for java.awt AlphaComposite SRC

Introduction

In this page you can find the example usage for java.awt AlphaComposite SRC_ATOP.

Prototype

int SRC_ATOP

To view the source code for java.awt AlphaComposite SRC_ATOP.

Click Source Link

Document

The part of the source lying inside of the destination is composited onto the destination (Porter-Duff Source Atop Destination rule).

Usage

From source file:Main.java

public void paint(Graphics g) {
    Graphics2D g2d = (Graphics2D) g;

    AlphaComposite ac = AlphaComposite.getInstance(AlphaComposite.SRC_ATOP, 0.5f);

    BufferedImage buffImg = new BufferedImage(60, 60, BufferedImage.TYPE_INT_ARGB);
    Graphics2D gbi = buffImg.createGraphics();

    gbi.setPaint(Color.red);/*from   ww w .  j a  va  2  s  .  c  o  m*/
    gbi.fillRect(0, 0, 40, 40);
    gbi.setComposite(ac);

    gbi.setPaint(Color.green);
    gbi.fillRect(5, 5, 40, 40);

    g2d.drawImage(buffImg, 20, 20, null);
}

From source file:com.lingxiang2014.util.ImageUtils.java

public static void addWatermark(File srcFile, File destFile, File watermarkFile, int alpha) {
    Assert.notNull(srcFile);/*  w  w w.  j a v  a 2  s. c o  m*/
    Assert.notNull(destFile);
    Assert.state(alpha >= 0);
    Assert.state(alpha <= 100);
    if (watermarkFile == null || !watermarkFile.exists()) {
        try {
            FileUtils.copyFile(srcFile, destFile);
        } catch (IOException e) {
            e.printStackTrace();
        }
        return;
    }
    if (type == Type.jdk) {
        Graphics2D graphics2D = null;
        ImageOutputStream imageOutputStream = null;
        ImageWriter imageWriter = null;
        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 = 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 / 100F));

            BufferedImage watermarkBufferedImage = ImageIO.read(watermarkFile);
            int watermarkImageWidth = watermarkBufferedImage.getWidth();
            int watermarkImageHeight = watermarkBufferedImage.getHeight();
            int x = srcWidth - watermarkImageWidth;
            int y = srcHeight - watermarkImageHeight;

            graphics2D.drawImage(watermarkBufferedImage, x, y, watermarkImageWidth, watermarkImageHeight, null);

            imageOutputStream = ImageIO.createImageOutputStream(destFile);
            imageWriter = ImageIO.getImageWritersByFormatName(FilenameUtils.getExtension(destFile.getName()))
                    .next();
            imageWriter.setOutput(imageOutputStream);
            ImageWriteParam imageWriteParam = imageWriter.getDefaultWriteParam();
            imageWriteParam.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
            imageWriteParam.setCompressionQuality(DEST_QUALITY / 100F);
            imageWriter.write(null, new IIOImage(destBufferedImage, null, null), imageWriteParam);
            imageOutputStream.flush();
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (graphics2D != null) {
                graphics2D.dispose();
            }
            if (imageWriter != null) {
                imageWriter.dispose();
            }
            if (imageOutputStream != null) {
                try {
                    imageOutputStream.close();
                } catch (IOException e) {
                }
            }
        }
    } else {
        IMOperation operation = new IMOperation();
        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();
            }
        }
    }
}

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

/**
 * ?/* w w w.  j  a  v a2s .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();
            }
        }
    }
}

From source file:iqq.util.ImageUtil.java

/**
 * ?/*from  ww w  .  j a v a2  s  .co m*/
 *
 * @param srcFile ?
 * @param destFile 
 * @param watermarkFile ?
 * @param watermarkPosition ??
 * @param alpha ??
 */
public synchronized static void addWatermark(File srcFile, File destFile, InputStream watermarkFile,
        WatermarkPosition watermarkPosition, int alpha) {
    //watermarkFile == null || !watermarkFile.exists() || 
    if (!srcFile.exists() || watermarkFile == null || watermarkPosition == null
            || watermarkPosition == WatermarkPosition.no) {
        Log.println("addWatermark null");
        return;
    }
    if (type == Type.jdk) {
        try {
            BufferedImage srcBufferedImage = ImageIO.read(srcFile);
            if (srcBufferedImage == null) {
                return;
            }
            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);
        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();
            }
        }
    }
}

From source file:net.groupbuy.util.ImageUtils.java

/**
 * ?/*from  w ww.ja  va 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) {
        try {
            FileUtils.copyFile(srcFile, destFile);
        } catch (IOException e) {
            e.printStackTrace();
        }
        return;
    }
    if (type == Type.jdk) {
        Graphics2D graphics2D = null;
        ImageOutputStream imageOutputStream = null;
        ImageWriter imageWriter = null;
        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 = 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 / 100F));

            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);

            imageOutputStream = ImageIO.createImageOutputStream(destFile);
            imageWriter = ImageIO.getImageWritersByFormatName(FilenameUtils.getExtension(destFile.getName()))
                    .next();
            imageWriter.setOutput(imageOutputStream);
            ImageWriteParam imageWriteParam = imageWriter.getDefaultWriteParam();
            imageWriteParam.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
            imageWriteParam.setCompressionQuality(DEST_QUALITY / 100F);
            imageWriter.write(null, new IIOImage(destBufferedImage, null, null), imageWriteParam);
            imageOutputStream.flush();
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (graphics2D != null) {
                graphics2D.dispose();
            }
            if (imageWriter != null) {
                imageWriter.dispose();
            }
            if (imageOutputStream != null) {
                try {
                    imageOutputStream.close();
                } catch (IOException e) {
                }
            }
        }
    } 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();
            }
        }
    }
}

From source file:com.el.ecom.utils.ImageUtils.java

/**
 * ?//  w w w.  ja  va  2 s. com
 * 
 * @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.state(srcFile.exists());
    Assert.state(srcFile.isFile());
    Assert.notNull(destFile);
    Assert.state(alpha >= 0);
    Assert.state(alpha <= 100);

    if (watermarkFile == null || !watermarkFile.exists() || !watermarkFile.isFile() || watermarkPosition == null
            || watermarkPosition == WatermarkPosition.no) {
        try {
            if (!StringUtils.equals(srcFile.getCanonicalPath(), destFile.getCanonicalPath())) {
                FileUtils.copyFile(srcFile, destFile);
            }
        } catch (IOException e) {
            throw new RuntimeException(e.getMessage(), e);
        }
        return;
    }
    if (type == Type.jdk) {
        Graphics2D graphics2D = null;
        ImageOutputStream imageOutputStream = null;
        ImageWriter imageWriter = null;
        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 = 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 / 100F));

            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);

            imageOutputStream = ImageIO.createImageOutputStream(destFile);
            imageWriter = ImageIO.getImageWritersByFormatName(FilenameUtils.getExtension(destFile.getName()))
                    .next();
            imageWriter.setOutput(imageOutputStream);
            ImageWriteParam imageWriteParam = imageWriter.getDefaultWriteParam();
            imageWriteParam.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
            imageWriteParam.setCompressionQuality(DEST_QUALITY / 100F);
            imageWriter.write(null, new IIOImage(destBufferedImage, null, null), imageWriteParam);
            imageOutputStream.flush();
        } catch (IOException e) {
            throw new RuntimeException(e.getMessage(), e);
        } finally {
            if (graphics2D != null) {
                graphics2D.dispose();
            }
            if (imageWriter != null) {
                imageWriter.dispose();
            }
            try {
                if (imageOutputStream != null) {
                    imageOutputStream.close();
                }
            } catch (IOException e) {
            }
        }
    } 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);
        try {
            operation.addImage(watermarkFile.getCanonicalPath());
            operation.addImage(srcFile.getCanonicalPath());
            operation.addImage(destFile.getCanonicalPath());
        } catch (IOException e) {
            throw new RuntimeException(e.getMessage(), e);
        }
        if (type == Type.graphicsMagick) {
            CompositeCmd compositeCmd = new CompositeCmd(true);
            if (graphicsMagickPath != null) {
                compositeCmd.setSearchPath(graphicsMagickPath);
            }
            try {
                compositeCmd.run(operation);
            } catch (IOException e) {
                throw new RuntimeException(e.getMessage(), e);
            } catch (InterruptedException e) {
                throw new RuntimeException(e.getMessage(), e);
            } catch (IM4JavaException e) {
                throw new RuntimeException(e.getMessage(), e);
            }
        } else {
            CompositeCmd compositeCmd = new CompositeCmd(false);
            if (imageMagickPath != null) {
                compositeCmd.setSearchPath(imageMagickPath);
            }
            try {
                compositeCmd.run(operation);
            } catch (IOException e) {
                throw new RuntimeException(e.getMessage(), e);
            } catch (InterruptedException e) {
                throw new RuntimeException(e.getMessage(), e);
            } catch (IM4JavaException e) {
                throw new RuntimeException(e.getMessage(), e);
            }
        }
    }
}

From source file:edu.ku.brc.ui.UIHelper.java

/**
 * @param g2/*from  w w w . j  ava 2 s . com*/
 * @param shape
 * @param glowWidth
 */
public static void paintBorderGlow(final Graphics2D g2, final Shape shape, final int glowWidth) {
    int gw = glowWidth * 2;
    for (int i = gw; i >= 2; i -= 2) {
        float pct = (float) (gw - i) / (gw - 1);

        Color mixHi = getMixedColor(clrGlowInnerHi, pct, clrGlowOuterHi, 1.0f - pct);
        Color mixLo = getMixedColor(clrGlowInnerLo, pct, clrGlowOuterLo, 1.0f - pct);
        g2.setPaint(new GradientPaint(0.0f, 40 * 0.25f, mixHi, 0.0f, 40, mixLo));

        g2.setColor(Color.WHITE);

        // See my "Java 2D Trickery: Soft Clipping" entry for more
        // on why we use SRC_ATOP here
        g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_ATOP, pct));
        g2.setStroke(new BasicStroke(i));
        g2.draw(shape);
    }
}

From source file:org.nuclos.client.ui.resplan.header.JHeaderGrid.java

@Override
protected void paintComponent(Graphics g) {
    Graphics2D g2d = (Graphics2D) g;

    super.paintComponent(g2d);

    g2d.setPaint(gridColor);/*  ww w . j av a  2s .  co  m*/

    Rectangle clipBounds = g.getClipBounds();

    int[] indices = stripRangeForRect(clipBounds);
    int startIndex = indices[0];
    int endIndex = indices[1];

    Point p1, p2;
    p1 = new Point();
    p2 = new Point(getWidth(), getHeight());
    for (int i = startIndex; i <= endIndex; i++) {
        int gridLine = getGridLine(i);
        orientation.updateCoord(p1, gridLine);
        orientation.updateCoord(p2, gridLine);
        g2d.drawLine(p1.x, p1.y, p2.x, p2.y);
    }

    p1.setLocation(0, 0);
    p2.setLocation(getWidth(), getHeight());
    int groupGridLine = 0;
    for (CategoryView v : groupings) {
        groupGridLine += v.size;
        orientation.opposite().updateCoord(p1, groupGridLine);
        orientation.opposite().updateCoord(p2, groupGridLine);
        g2d.drawLine(p1.x, p1.y, p2.x, p2.y);
        groupGridLine += GRID_SIZE;
    }

    for (int level = 0, levelCount = groupings.length; level < levelCount; level++) {
        for (HeaderCell cell : groupings[level].cells) {
            if (cell.endIndex < startIndex || cell.startIndex >= endIndex)
                continue;
            Rectangle rect = getRect(level, cell.startIndex, cell.endIndex);
            if (clipBounds != null && !clipBounds.intersects(rect))
                continue;
            paintHeaderCell(g2d, rect, cell.levelValue);
        }
    }

    if (cellResizingRange != null) {
        Rectangle rect = new Rectangle(getWidth(), getHeight());
        orientation.updateRange(rect, cellResizingRange);
        rect.grow(orientation.select(GRID_SIZE, 0), orientation.select(0, GRID_SIZE));
        g2d.setColor(new Color(0x9999ff, false));
        g2d.draw(rect);
        g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_ATOP, 0.5f));
        g2d.fill(rect);
    }
}

Example usage for java.awt AlphaComposite SRC_ATOP

Introduction

Prototype

Document

Usage