Examples of java.awt.image.BufferedImageOp.filter()

java.awt.image.BufferedImageOp.filter()
Performs a single-input/single-output operation on a BufferedImage. If the color models for the two images do not match, a color conversion into the destination color model is performed. If the destination image is null, a BufferedImage with an appropriate ColorModel is created.
An IllegalArgumentException may be thrown if the source and/or destination image is incompatible with the types of images $ allowed by the class implementing this filter. @param src The BufferedImage to be filtered @param dest The BufferedImage in which to store the results$ @return The filtered BufferedImage. @throws IllegalArgumentException If the source and/or destinationimage is not compatible with the types of images allowed by the class implementing this filter.

                    BufferedImage.TYPE_BYTE_GRAY);
            Raster raster = img.getData();
            GraphicsUtil.copyBand(raster, cm.getNumColorComponents(), alpha.getRaster(), 0);


            BufferedImageOp op1 = new LookupOp(new ByteLookupTable(0, THRESHOLD_TABLE), null);
            BufferedImage alphat = op1.filter(alpha, null);


            BufferedImage mask;
            if (true) {
                mask = new BufferedImage(targetDim.width, targetDim.height,
                        BufferedImage.TYPE_BYTE_BINARY);

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                    BufferedImage.TYPE_BYTE_GRAY);
            Raster raster = img.getData();
            GraphicsUtil.copyBand(raster, cm.getNumColorComponents(), alpha.getRaster(), 0);


            BufferedImageOp op1 = new LookupOp(new ByteLookupTable(0, THRESHOLD_TABLE), null);
            BufferedImage alphat = op1.filter(alpha, null);


            BufferedImage mask;
            if (true) {
                mask = new BufferedImage(targetDim.width, targetDim.height,
                        BufferedImage.TYPE_BYTE_BINARY);

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            ImageOpTests.Context ictx = (ImageOpTests.Context)ctx;
            BufferedImageOp op = ictx.bufImgOp;
            BufferedImage src = ictx.bufSrc;
            BufferedImage dst = ictx.bufDst;
            do {
                op.filter(src, dst);
            } while (--numReps > 0);
        }
    }


    private static class RasterOpFilter extends ImageOpTests {

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                float[] kernel = new float[aperture * aperture];
                java.util.Arrays.fill(kernel, 1.0f / (float) aperture / (float) aperture);
                BufferedImage image = ImageIO.read(inputFile);
                // simple processing: blur
                BufferedImageOp op = new ConvolveOp(new Kernel(aperture, aperture, kernel));
                BufferedImage result = op.filter(image, null);
                ImageIO.write(result, outputFormat, outputFile);
            } else
                throw new IllegalArgumentException("Unknown command " + args[0]);
        }
    }

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            BufferedImage srcBI;
            srcBI = new BufferedImage(cm, wr, cm.isAlphaPremultiplied(), null);


            // Easy case just apply the op...
            destBI = op.filter(srcBI, null);


            if (kernelHasNegValues) {
                // When the kernel has negative values it's possible
                // for the resultant image to have alpha values less
                // than the associated color values this will lead to

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            // Create the BufferedImage.
            BufferedImage tmpDstBI = new BufferedImage
                (cm, dstWR, cm.isAlphaPremultiplied(), null);


            // Filter between the two image without alpha.
            tmpDstBI = op.filter(tmpSrcBI, tmpDstBI);


            // org.apache.flex.forks.batik.test.gvt.ImageDisplay.showImage
            //   ("tmpDstBI: ", tmpDstBI);


            // Copy the alpha channel into the result (note the color

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            BufferedImage srcBI;
            srcBI = new BufferedImage(cm, wr, cm.isAlphaPremultiplied(), null);


            // Easy case just apply the op...
            destBI = op.filter(srcBI, null);


            if (kernelHasNegValues) {
                // When the kernel has negative values it's possible
                // for the resultant image to have alpha values less
                // than the associated color values this will lead to

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            // Create the BufferedImage.
            BufferedImage tmpDstBI = new BufferedImage
                (cm, dstWR, cm.isAlphaPremultiplied(), null);


            // Filter between the two image without alpha.
            tmpDstBI = op.filter(tmpSrcBI, tmpDstBI);


            // org.apache.batik.test.gvt.ImageDisplay.showImage
            //   ("tmpDstBI: ", tmpDstBI);


            // Copy the alpha channel into the result (note the color

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            BufferedImage srcBI;
            srcBI = new BufferedImage(cm, wr, cm.isAlphaPremultiplied(), null);


            // Easy case just apply the op...
            destBI = op.filter(srcBI, null);


        } else {
            BufferedImage srcBI;
            srcBI = new BufferedImage(cm, wr, cm.isAlphaPremultiplied(), null);

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            // Create the BufferedImage.
            BufferedImage tmpDstBI = new BufferedImage
                (cm, dstWR, cm.isAlphaPremultiplied(), null);


            // Filter between the two image without alpha.
            tmpDstBI = op.filter(tmpSrcBI, tmpDstBI);


            // org.apache.batik.test.gvt.ImageDisplay.showImage
            //   ("tmpDstBI: ", tmpDstBI);


            // Copy the alpha channel into the result (note the color

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