Java BorderExtender类代码示例

import javax.media.jai.BorderExtender; //导入依赖的package包/类
/**
 * add a border to image
 * @param thickness
 * @param color
 * @param borderType 
 */
public void addBorder(int thickness, Color color, int borderType)  throws ExpressionException{
	
	double colorArray[] = {color.getRed(), color.getGreen(), color.getBlue()};
	BorderExtender borderExtender = new BorderExtenderConstant(colorArray);
	
	ParameterBlock params = new ParameterBlock();
	params.addSource(image());
	params.add(thickness);
	params.add(thickness);
	params.add(thickness);
	params.add(thickness);
	if(BORDER_TYPE_CONSTANT==borderType)	params.add(borderExtender);
	else 	params.add(BorderExtender.createInstance(borderType));
	//else if(BORDER_TYPE_WRAP==borderType)params.add(BorderExtender.createInstance(BorderExtender.BORDER_REFLECT));

	image((JAI.create("border", params)).getAsBufferedImage());
	
}
 

import javax.media.jai.BorderExtender; //导入依赖的package包/类
public void translate(int xtrans, int ytrans, Object interpolation) throws ExpressionException {
	
	RenderingHints hints = new RenderingHints(RenderingHints.KEY_INTERPOLATION,interpolation);
	if(interpolation!=RenderingHints.VALUE_INTERPOLATION_NEAREST_NEIGHBOR) {
		hints.add(new RenderingHints(JAI.KEY_BORDER_EXTENDER, BorderExtender.createInstance(1)));
	}
	
	ParameterBlock pb = new ParameterBlock();
	pb.addSource(image());
	BufferedImage img = JAI.create("translate", pb).getAsBufferedImage();
	Graphics2D graphics = img.createGraphics();
	graphics.clearRect(0, 0, img.getWidth(), img.getHeight());
	AffineTransform at = new AffineTransform();
	at.setToIdentity();
	graphics.drawImage(image(), new AffineTransformOp(at, hints), xtrans, ytrans);
	graphics.dispose();
	image(img);
}
 

import javax.media.jai.BorderExtender; //导入依赖的package包/类
public static String call(PageContext pc, Object name, double thickness, String color, String strBorderType) throws PageException {
	//if(name instanceof String) name=pc.getVariable(Caster.toString(name));
	strBorderType=strBorderType.trim().toLowerCase();
	int borderType=Image.BORDER_TYPE_CONSTANT;
	if("zero".equals(strBorderType))			borderType=BorderExtender.BORDER_ZERO;
	else if("constant".equals(strBorderType))	borderType=Image.BORDER_TYPE_CONSTANT;
	else if("copy".equals(strBorderType))		borderType=BorderExtender.BORDER_COPY;
	else if("reflect".equals(strBorderType))	borderType=BorderExtender.BORDER_REFLECT;
	else if("wrap".equals(strBorderType))		borderType=BorderExtender.BORDER_WRAP;
   	
	Image image=Image.toImage(pc,name);
	image.addBorder((int)thickness,ColorCaster.toColor(color),borderType);
	
	
	return null;
}
 

import javax.media.jai.BorderExtender; //导入依赖的package包/类
public void blur(int blurFactor)  throws ExpressionException{
    ParameterBlock params = new ParameterBlock();
	params.addSource(image());
	params.add(blurFactor);
	RenderingHints hint= new RenderingHints(JAI.KEY_BORDER_EXTENDER,BorderExtender.createInstance(1));
	image(JAI.create("boxfilter", params, hint).getAsBufferedImage());
}
 

import javax.media.jai.BorderExtender; //导入依赖的package包/类
@Override
public void computeTileStack(Map<Band, Tile> targetTiles, Rectangle tarRec, ProgressMonitor pm) throws OperatorException {
    Rectangle srcRec = new Rectangle(tarRec.x - OFF, tarRec.y - OFF, tarRec.width + BOX, tarRec.height + BOX);
    BorderExtender borderExtender = BorderExtender.createInstance(BorderExtender.BORDER_ZERO);

    Tile latTile = getSourceTile(aotProduct.getBand("latitude"), srcRec, borderExtender);
    Tile aotTile = getSourceTile(aotProduct.getBand(AotConsts.aot.name), srcRec, borderExtender);
    Tile aotErrTile = getSourceTile(aotProduct.getBand(AotConsts.aotErr.name), srcRec, borderExtender);

    Tile tarAotTile = targetTiles.get(targetProduct.getBand(AotConsts.aot.name));
    Tile tarAotErrTile = targetTiles.get(targetProduct.getBand(AotConsts.aotErr.name));
    Tile tarAotFlagsTile = targetTiles.get(targetProduct.getBand(AotConsts.aotFlags.name));

    double noDataVal = aotTile.getRasterDataNode().getGeophysicalNoDataValue();
    float aotPixel;
    float aotErrPixel;
    for (int y = tarRec.y; y < tarRec.y + tarRec.height; y++) {
        for (int x = tarRec.x; x < tarRec.x + tarRec.width; x++) {

            double climAot = calcClimAot(latTile.getSampleFloat(x, y));

            aotPixel = aotTile.getSampleFloat(x, y);
            aotErrPixel = aotErrTile.getSampleFloat(x, y);
            if (Double.compare(noDataVal, aotPixel) != 0) {
                tarAotTile.setSample(x, y, aotPixel);
                tarAotErrTile.setSample(x, y, aotErrPixel);
                tarAotFlagsTile.setSample(x, y, 0);
            } else {
                float[] fillResult = new float[2];
                int flagPixel = fillPixel(x, y, aotTile, aotErrTile, climAot, noDataVal, fillResult);
                tarAotTile.setSample(x, y, fillResult[0]);
                tarAotErrTile.setSample(x, y, fillResult[1]);
                tarAotFlagsTile.setSample(x, y, flagPixel);
            }
        }
    }
}
 

import javax.media.jai.BorderExtender; //导入依赖的package包/类
/**
    * Creates a Convolve3x3OpImage given a ParameterBlock containing the image
    * source and a pre-rotated convolution kernel.  The image dimensions 
    * are derived
    * from the source image.  The tile grid layout, SampleModel, and
    * ColorModel may optionally be specified by an ImageLayout
    * object.  
    *
    * @param source a RenderedImage.
    * @param extender a BorderExtender, or null.
    * @param layout an ImageLayout optionally containing the tile grid layout,
    *        SampleModel, and ColorModel, or null.
    * @param kernel the pre-rotated convolution KernelJAI.
    * @param cobbleSources a boolean indicating whether computeRect()
    *        expects contiguous sources.
    */
   public Convolve3x3OpImage(RenderedImage source,
                             BorderExtender extender,
                             Map config,
                             ImageLayout layout,
                             KernelJAI kernel) {
super(source,
             layout,
             config,
             true,
             extender,
             kernel.getLeftPadding(),
             kernel.getRightPadding(),
             kernel.getTopPadding(),
             kernel.getBottomPadding());
       
this.kernel = kernel;
if ((kernel.getWidth() != 3) ||
    (kernel.getHeight() != 3) ||
    (kernel.getXOrigin() != 1) ||
    (kernel.getYOrigin() != 1)) {
           throw new RuntimeException(JaiI18N.getString("Convolve3x3OpImage0"));
       }

       if (sampleModel.getDataType() == DataBuffer.TYPE_BYTE) {
           float kdata[] = kernel.getKernelData();
           float k0 = kdata[0],
                 k1 = kdata[1],
                 k2 = kdata[2],
                 k3 = kdata[3],
                 k4 = kdata[4],
                 k5 = kdata[5],
                 k6 = kdata[6],
                 k7 = kdata[7],
                 k8 = kdata[8];
   
           for (int j = 0; j < 256; j++) {
               byte b = (byte)j;
               float f = (float)j;
               tables[0][b+128] = k0*f+0.5f;
               tables[1][b+128] = k1*f;
               tables[2][b+128] = k2*f;
               tables[3][b+128] = k3*f;
               tables[4][b+128] = k4*f;
               tables[5][b+128] = k5*f;
               tables[6][b+128] = k6*f;
               tables[7][b+128] = k7*f;
               tables[8][b+128] = k8*f;
           }
       }
   }
 

import javax.media.jai.BorderExtender; //导入依赖的package包/类
/**
    * Creates a DilateOpImage given a ParameterBlock containing the image
    * source and pre-rotated dilation kernel.  The image dimensions are 
    * derived
    * from the source image.  The tile grid layout, SampleModel, and
    * ColorModel may optionally be specified by an ImageLayout
    * object.
    *
    * @param source a RenderedImage.
    * @param extender a BorderExtender, or null.
    * @param layout an ImageLayout optionally containing the tile grid layout,
    *        SampleModel, and ColorModel, or null.
    * @param kernel the pre-rotated dilation KernelJAI.
    */
   public DilateOpImage(RenderedImage source,
                          BorderExtender extender,
                          Map config,
                          ImageLayout layout,
                          KernelJAI kernel) {
super(source,
             layout,
             config,
             true,
             extender,
             kernel.getLeftPadding(),
             kernel.getRightPadding(),
             kernel.getTopPadding(),
             kernel.getBottomPadding());
       
this.kernel = kernel;
kw = kernel.getWidth();
kh = kernel.getHeight();
kx = kernel.getXOrigin();
ky = kernel.getYOrigin();

       kdata = kernel.getKernelData();
   }
 

import javax.media.jai.BorderExtender; //导入依赖的package包/类
/**
 * Constructs an AffineBicubicOpImage from a RenderedImage source,
 *
 * @param source a RenderedImage.
 * @param extender a BorderExtender, or null.
 * @param layout an ImageLayout optionally containing the tile grid layout,
 *        SampleModel, and ColorModel, or null.
 * @param interp an Interpolation object to use for resampling
 * @param transform the desired AffineTransform.
 */
public AffineBicubicOpImage(RenderedImage source,
                            BorderExtender extender,
                            Map config,
                            ImageLayout layout,
                            AffineTransform transform,
                            Interpolation interp,
                            double[] backgroundValues) {
    super(source,
          extender,
          config,
          layout,
          transform,
          interp,
          backgroundValues);
}
 

import javax.media.jai.BorderExtender; //导入依赖的package包/类
/**
 * Creates a MinFilterOpImage given an image source, an
 * optional BorderExtender, a maskType and maskSize.  The image
 * dimensions are derived the source image.  The tile grid layout,
 * SampleModel, and ColorModel may optionally be specified by an
 * ImageLayout object.
 *
 * @param source a RenderedImage.
 * @param extender a BorderExtender, or null.
 * @param layout an ImageLayout optionally containing the tile grid layout,
 *        SampleModel, and ColorModel, or null.
 * @param maskType the filter mask type.
 * @param maskSize the filter mask size.
 */
public MinFilterOpImage(RenderedImage source,
                        BorderExtender extender,
                        Map config,
                        ImageLayout layout,
                        MinFilterShape maskType,
                        int maskSize) {
    super(source,
          layout,
          config,
   true,
          extender,
          (maskSize-1)/2,
          (maskSize-1)/2,
          (maskSize/2),
          (maskSize/2));

    this.maskType = maskType;
    this.maskSize = maskSize;
}
 

import javax.media.jai.BorderExtender; //导入依赖的package包/类
/**
    * Creates a MedianFilterOpImage given an image source, an
    * optional BorderExtender, a maskType and maskSize.  The image
    * dimensions are derived the source image.  The tile grid layout,
    * SampleModel, and ColorModel may optionally be specified by an
    * ImageLayout object.
    *
    * @param source a RenderedImage.
    * @param extender a BorderExtender, or null.
    * @param layout an ImageLayout optionally containing the tile grid layout,
    *        SampleModel, and ColorModel, or null.
    * @param maskType the filter mask type.
    * @param maskSize the filter mask size.
    */
   public MedianFilterOpImage(RenderedImage source,
                              BorderExtender extender,
                              Map config,
                              ImageLayout layout,
                              MedianFilterShape maskType,
                              int maskSize) {
super(source,
             layout,
             config,
             true,
             extender,
             (maskSize-1)/2,
             (maskSize-1)/2,
             (maskSize/2),
             (maskSize/2));
       this.maskType = maskType;
       this.maskSize = maskSize;
   }
 

import javax.media.jai.BorderExtender; //导入依赖的package包/类
/**
 * Constructs an AffineBilinearOpImage from a RenderedImage source,
 *
 * @param source a RenderedImage.
 * @param extender a BorderExtender, or null.
 * @param layout an ImageLayout optionally containing the tile grid layout,
 *        SampleModel, and ColorModel, or null.
 * @param interp an Interpolation object to use for resampling
 * @param transform the desired AffineTransform.
 */
public AffineBilinearOpImage(RenderedImage source,
                             BorderExtender extender,
                             Map config,
                             ImageLayout layout,
                             AffineTransform transform,
                             Interpolation interp,
                             double[] backgroundValues) {
    super(source,
          extender,
          config,
          layout,
          transform,
          interp,
          backgroundValues);
}
 

import javax.media.jai.BorderExtender; //导入依赖的package包/类
/**
 * Creates a MaxFilterOpImage given an image source, an
 * optional BorderExtender, a maskType and maskSize.  The image
 * dimensions are derived the source image.  The tile grid layout,
 * SampleModel, and ColorModel may optionally be specified by an
 * ImageLayout object.
 *
 * @param source a RenderedImage.
 * @param extender a BorderExtender, or null.
 * @param layout an ImageLayout optionally containing the tile grid layout,
 *        SampleModel, and ColorModel, or null.
 * @param maskType the filter mask type.
 * @param maskSize the filter mask size.
 */
public MaxFilterOpImage(RenderedImage source,
                        BorderExtender extender,
                        Map config,
                        ImageLayout layout,
                        MaxFilterShape maskType,
                        int maskSize) {

    super(source,
          layout,
          config,
   true,
          extender,
          (maskSize-1)/2,
          (maskSize-1)/2,
          (maskSize/2),
          (maskSize/2));

    this.maskType = maskType;
    this.maskSize = maskSize;
}
 

import javax.media.jai.BorderExtender; //导入依赖的package包/类
/**
    * Creates a DilateBinaryOpImage given a ParameterBlock containing the 
    * image source and pre-rotated dilation kernel.  The image dimensions 
    * are derived from the source image.  The tile grid layout, SampleModel, 
    * and ColorModel may optionally be specified by an ImageLayout object.
    *
    * @param source a RenderedImage.
    * @param extender a BorderExtender, or null.
    * @param layout an ImageLayout optionally containing the tile grid layout,
    *        SampleModel, and ColorModel, or null.
    * @param kernel the pre-rotated dilation KernelJAI.
    */
   public DilateBinaryOpImage(RenderedImage source,
		       BorderExtender extender,
		       Map config,
		       ImageLayout layout,
		       KernelJAI kernel) {
super(source,
             layout,
             configHelper(config),
             true,
             extender,
             kernel.getLeftPadding(),
             kernel.getRightPadding(),
             kernel.getTopPadding(),
             kernel.getBottomPadding());

this.kernel = kernel;
kw = kernel.getWidth();
kh = kernel.getHeight();
kx = kernel.getXOrigin();
ky = kernel.getYOrigin();

kwPack = (kw+31)/32;
kdataPack  = packKernel(kernel);
   }
 

import javax.media.jai.BorderExtender; //导入依赖的package包/类
/**
    * Creates a ConvolveOpImage given a ParameterBlock containing the image
    * source and pre-rotated convolution kernel.  The image dimensions are 
    * derived
    * from the source image.  The tile grid layout, SampleModel, and
    * ColorModel may optionally be specified by an ImageLayout
    * object.
    *
    * @param source a RenderedImage.
    * @param extender a BorderExtender, or null.
    * @param layout an ImageLayout optionally containing the tile grid layout,
    *        SampleModel, and ColorModel, or null.
    * @param kernel the pre-rotated convolution KernelJAI.
    */
   public ConvolveOpImage(RenderedImage source,
                          BorderExtender extender,
                          Map config,
                          ImageLayout layout,
                          KernelJAI kernel) {
super(source,
             layout,
             config,
             true,
             extender,
             kernel.getLeftPadding(),
             kernel.getRightPadding(),
             kernel.getTopPadding(),
             kernel.getBottomPadding());
       
this.kernel = kernel;
kw = kernel.getWidth();
kh = kernel.getHeight();
kx = kernel.getXOrigin();
ky = kernel.getYOrigin();
   }
 

import javax.media.jai.BorderExtender; //导入依赖的package包/类
/**
 * Constructor.
 *
 * @param source     The source image.
 * @param layout     The destination image layout.
 * @param leftPad    The amount of padding to the left of the source.
 * @param rightPad   The amount of padding to the right of the source.
 * @param topPad     The amount of padding to the top of the source.
 * @param bottomPad  The amount of padding to the bottom of the source.
 * @param type       The border type.
 * @param constants  The constants used with border type
 *                   <code>BorderDescriptor.BORDER_CONST_FILL</code>,
 *                   stored as reference.
 */
public BorderOpImage(RenderedImage source,
                     Map config,
                     ImageLayout layout,
                     int leftPad,
                     int rightPad,
                     int topPad,
                     int bottomPad,
                     BorderExtender extender) {
    super(vectorize(source),
          layoutHelper(layout, source,
                       leftPad, rightPad, topPad, bottomPad),
          config, true);

    this.extender = extender;
}