Java GraphicsUtilities类代码示例

import org.jdesktop.swingx.graphics.GraphicsUtilities; //导入依赖的package包/类
/**
 * Overriden paint method to take into account the alpha setting
 * @param g
 */
@Override
public void paint(Graphics g) {
    float a = getAlpha();
    if (a == 1) {
        super.paint(g);
    } else {
        //the component is translucent, so we need to render to
        //an intermediate image before painting
        BufferedImage img = GraphicsUtilities.createCompatibleTranslucentImage(getWidth(), getHeight());
        Graphics2D gfx = img.createGraphics();
        super.paint(gfx);
        gfx.dispose();
        Graphics2D g2d = (Graphics2D)g;
        Composite oldComp = g2d.getComposite();
        Composite alphaComp = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, a);
        g2d.setComposite(alphaComp);
        g2d.drawImage(img, null, 0, 0);
        g2d.setComposite(oldComp);
    }
}
 

import org.jdesktop.swingx.graphics.GraphicsUtilities; //导入依赖的package包/类
/**
 * {@inheritDoc}
 */
@Override
public BufferedImage filter(BufferedImage src, BufferedImage dst) {
    if (dst == null) {
        dst = createCompatibleDestImage(src, null);
    }

    int width = src.getWidth();
    int height = src.getHeight();

    int[] pixels = new int[width * height];
    GraphicsUtilities.getPixels(src, 0, 0, width, height, pixels);
    mixColor(pixels);
    GraphicsUtilities.setPixels(dst, 0, 0, width, height, pixels);

    return dst;
}
 

import org.jdesktop.swingx.graphics.GraphicsUtilities; //导入依赖的package包/类
/**
 * {@inheritDoc}
 */
@Override
public BufferedImage filter(BufferedImage src, BufferedImage dst) {
    int width = src.getWidth();
    int height = src.getHeight();

    if (dst == null) {
        dst = createCompatibleDestImage(src, null);
    }

    int[] srcPixels = new int[width * height];
    int[] dstPixels = new int[width * height];

    GraphicsUtilities.getPixels(src, 0, 0, width, height, srcPixels);
    // horizontal pass
    blur(srcPixels, dstPixels, width, height, radius);
    // vertical pass
    //noinspection SuspiciousNameCombination
    blur(dstPixels, srcPixels, height, width, radius);
    // the result is now stored in srcPixels due to the 2nd pass
    GraphicsUtilities.setPixels(dst, 0, 0, width, height, srcPixels);

    return dst;
}
 

import org.jdesktop.swingx.graphics.GraphicsUtilities; //导入依赖的package包/类
/**
 * {@inheritDoc}
 */
@Override
public BufferedImage filter(BufferedImage src, BufferedImage dst) {
    int width = src.getWidth();
    int height = src.getHeight();

    if (dst == null) {
        dst = createCompatibleDestImage(src, null);
    }

    int[] srcPixels = new int[width * height];
    int[] dstPixels = new int[width * height];

    GraphicsUtilities.getPixels(src, 0, 0, width, height, srcPixels);
    for (int i = 0; i < iterations; i++) {
        // horizontal pass
        FastBlurFilter.blur(srcPixels, dstPixels, width, height, radius);
        // vertical pass
        FastBlurFilter.blur(dstPixels, srcPixels, height, width, radius);
    }
    // the result is now stored in srcPixels due to the 2nd pass
    GraphicsUtilities.setPixels(dst, 0, 0, width, height, srcPixels);

    return dst;
}
 

import org.jdesktop.swingx.graphics.GraphicsUtilities; //导入依赖的package包/类
public static Shadow createShadow(Image source, int x, int y, boolean paintSource, int shadowSize) {
  int size = shadowSize;
  final float w = source.getWidth(null);
  final float h = source.getHeight(null);
  float ratio = w / h;
  float deltaX = size;
  float deltaY = size / ratio;

  final Image scaled = source.getScaledInstance((int)(w + deltaX), (int)(h + deltaY), Image.SCALE_SMOOTH);

  final BufferedImage s =
    GraphicsUtilities.createCompatibleTranslucentImage(scaled.getWidth(null), scaled.getHeight(null));
  final Graphics2D graphics = (Graphics2D)s.getGraphics();
  graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
  graphics.drawImage(scaled, 0, 0, null);

  final BufferedImage shadow = new ShadowRenderer(size, .25f, Color.black).createShadow(s);
  if (paintSource) {
    final Graphics imgG = shadow.getGraphics();
    final double d = size * 0.5;
    imgG.drawImage(source, (int)(size + d), (int)(size + d / ratio), null);
  }

  return new Shadow(shadow, x - size - 5, y - size + 2);
}
 

import org.jdesktop.swingx.graphics.GraphicsUtilities; //导入依赖的package包/类
/**
 * This method is used to show an image during message showing
 * @return image to show
 */
Image getStaticImage() {
  final JFrame myOffScreenFrame = new JFrame() ;
  myOffScreenFrame.add(mySheetPanel);
  myOffScreenFrame.getRootPane().setDefaultButton(myDefaultButton);

  final BufferedImage image = (SystemInfo.isJavaVersionAtLeast("1.7")) ?
                              UIUtil.createImage(SHEET_NC_WIDTH, SHEET_NC_HEIGHT, BufferedImage.TYPE_INT_ARGB) :
                              GraphicsUtilities.createCompatibleTranslucentImage(SHEET_NC_WIDTH, SHEET_NC_HEIGHT);

  Graphics g = image.createGraphics();
  mySheetPanel.paint(g);

  g.dispose();

  myOffScreenFrame.dispose();
  return image;
}
 

import org.jdesktop.swingx.graphics.GraphicsUtilities; //导入依赖的package包/类
public Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException, IOException {
    //log.fine("doing get trans data: " + flavor);
    if(flavor == DataFlavor.imageFlavor) {
        return img;
    }
    if(flavor == DataFlavor.javaFileListFlavor) {
        if(files == null) {
            files = new ArrayList<File>();
            File file = File.createTempFile(exportName,"."+exportFormat);
            //log.fine("writing to: " + file);
            ImageIO.write(GraphicsUtilities.convertToBufferedImage(img),exportFormat,file);
            files.add(file);
        }
        //log.fine("returning: " + files);
        return files;
    }
    return null;
}
 

import org.jdesktop.swingx.graphics.GraphicsUtilities; //导入依赖的package包/类
/**
 * Returns a new BufferedImage that represents a subregion of the given
 * BufferedImage.  (Note that this method does not use
 * BufferedImage.getSubimage(), which will defeat image acceleration
 * strategies on later JDKs.)
 */
private BufferedImage getSubImage(BufferedImage img,
                                  int x, int y, int w, int h) {
    BufferedImage ret = GraphicsUtilities.createCompatibleTranslucentImage(w, h);
    Graphics2D g2 = ret.createGraphics();
    
    try {
        g2.drawImage(img,
                     0, 0, w, h,
                     x, y, x+w, y+h,
                     null);
    } finally {
        g2.dispose();
    }
    
    return ret;
}
 

import org.jdesktop.swingx.graphics.GraphicsUtilities; //导入依赖的package包/类
/**
 * {@inheritDoc}
 */
@SuppressWarnings({ "SuspiciousNameCombination" })
@Override
public BufferedImage filter(BufferedImage src, BufferedImage dst) {
    int width = src.getWidth();
    int height = src.getHeight();

    if (dst == null) {
        dst = createCompatibleDestImage(src, null);
    }

    int[] srcPixels = new int[width * height];
    int[] dstPixels = new int[width * height];

    float[] kernel = createGaussianKernel(radius);

    GraphicsUtilities.getPixels(src, 0, 0, width, height, srcPixels);
    // horizontal pass
    blur(srcPixels, dstPixels, width, height, kernel, radius);
    // vertical pass
    blur(dstPixels, srcPixels, height, width, kernel, radius);
    // the result is now stored in srcPixels due to the 2nd pass
    GraphicsUtilities.setPixels(dst, 0, 0, width, height, srcPixels);

    return dst;
}
 

import org.jdesktop.swingx.graphics.GraphicsUtilities; //导入依赖的package包/类
/**
 * This method is used to show an image during message showing
 * @return image to show
 */
Image getStaticImage() {
  final JFrame myOffScreenFrame = new JFrame() ;
  myOffScreenFrame.add(mySheetPanel);
  myOffScreenFrame.getRootPane().setDefaultButton(myDefaultButton);

  final BufferedImage image = (SystemInfo.isJavaVersionAtLeast("1.7")) ?
                              UIUtil.createImage(SHEET_NC_WIDTH, SHEET_NC_HEIGHT, BufferedImage.TYPE_INT_ARGB) :
                              GraphicsUtilities.createCompatibleTranslucentImage(SHEET_NC_WIDTH, SHEET_NC_HEIGHT);

  Graphics g = image.createGraphics();
  mySheetPanel.paint(g);

  g.dispose();

  myOffScreenFrame.remove(mySheetPanel);

  myOffScreenFrame.dispose();
  return image;
}
 

import org.jdesktop.swingx.graphics.GraphicsUtilities; //导入依赖的package包/类
private void matchLabelBorderToButtons() {
    Insets insets = new Insets(4, 6, 4, 6);
    Dimension buttonSize = prevButton.getPreferredSize();
    prevButton.setSize(buttonSize);

    BufferedImage image = GraphicsUtilities.
            createCompatibleTranslucentImage(
                 buttonSize.width, buttonSize.height);
    prevButton.paint(image.getGraphics());
    BufferedImage labelTopImage = GraphicsUtilities.
            createCompatibleTranslucentImage(
                 buttonSize.width - insets.left - insets.right,
                 insets.top);
    labelTopImage.getGraphics().drawImage(image, 0, 0,
            buttonSize.width - insets.left - insets.right,
            insets.top,
            insets.left, 0,
            buttonSize.width - insets.right, insets.top,
            null,
            null);

    BufferedImage labelBottomImage = GraphicsUtilities.createCompatibleTranslucentImage(buttonSize.width - insets.left - insets.right,
            insets.bottom);
    labelBottomImage.getGraphics().drawImage(image, 0, 0,
            buttonSize.width - insets.left - insets.right, insets.top,
            insets.left, buttonSize.height - insets.bottom,
            buttonSize.width - insets.right, buttonSize.height,
            null,
            null);

    statusLabel.setBorder(new CenterLabelBorder(labelTopImage, labelBottomImage));
    needLabelBorder = false;
}
 

import org.jdesktop.swingx.graphics.GraphicsUtilities; //导入依赖的package包/类
private void initShadowImage() {

    final BufferedImage mySheetStencil = GraphicsUtilities.createCompatibleTranslucentImage(SHEET_WIDTH, SHEET_HEIGHT);

    Graphics2D g2 = mySheetStencil.createGraphics();
    g2.setColor(new JBColor(Gray._255, Gray._0));
    g2.fillRect(0, 0, SHEET_WIDTH, SHEET_HEIGHT);
    g2.dispose();

    ShadowRenderer renderer = new ShadowRenderer();
    renderer.setSize(SHADOW_BORDER);
    renderer.setOpacity(.80f);
    renderer.setColor(new JBColor(JBColor.BLACK, Gray._10));
    myShadowImage = renderer.createShadow(mySheetStencil);
  }
 

import org.jdesktop.swingx.graphics.GraphicsUtilities; //导入依赖的package包/类
protected void doPaint(Graphics2D g, T component, int width, int height) {
    RectangularShape shape = calculateShape(width, height);
    switch (getStyle()) {
    case BOTH:
        drawBackground(g,shape,width,height);
        drawBorder(g,shape,width,height);
        break;
    case FILLED:
        drawBackground(g,shape,width,height);
        break;
    case OUTLINE:
        drawBorder(g,shape,width,height);
        break;
    case NONE:
        break;
    }

    // background
    // border
    // leave the clip to support masking other painters
    GraphicsUtilities.mergeClip(g,shape);
    /*
    Area area = new Area(g.getClip());
    area.intersect(new Area(shape));//new Rectangle(0,0,width,height)));
    g.setClip(area);*/
    //g.setClip(shape);
}
 

import org.jdesktop.swingx.graphics.GraphicsUtilities; //导入依赖的package包/类
protected Icon loadFromResource(String name) {
  URL url = baseClass.getResource("resources/images/" + name);
  if (url == null)
    return null;
  try {
    BufferedImage image = ImageIO.read(url);
    if (image.getHeight() > 30) {
      image = GraphicsUtilities.createThumbnail(image, 16);
    }
    return new ImageIcon(image);
  } catch (IOException e) {
  }
  return null;
}
 

import org.jdesktop.swingx.graphics.GraphicsUtilities; //导入依赖的package包/类
public BufferedImage getBufferedImage(Integer width, Integer height) {
    if(bufferedImagesTable == null) { bufferedImagesTable = new Hashtable<>(); }
    String imageSize = width+"x"+height;
    if(bufferedImagesTable.containsKey(imageSize)) {
        return bufferedImagesTable.get(imageSize);
    } else {
        //System.out.println("Nuevo caché: "+width+", "+height);
        return bufferedImagesTable.put(imageSize, GraphicsUtilities.createCompatibleImage(width, height));
    }
}