Examples with ParameterBlockJAI javax.media.jai.ParameterBlockJAI used on opensource projects

Example 31 with ParameterBlockJAI

use of javax.media.jai.ParameterBlockJAI in project digilib by robcast.

the class JAIDocuImage method blur.

public void blur(int radius) throws ImageOpException {
    RenderedImage blurredImg;
    int klen = Math.max(radius, 2);
    logger.debug("blur: " + klen);
    int ksize = klen * klen;
    float f = 1f / ksize;
    float[] kern = new float[ksize];
    for (int i = 0; i < ksize; i++) {
        kern[i] = f;
    }
    KernelJAI blur = new KernelJAI(klen, klen, kern);
    ParameterBlockJAI param = new ParameterBlockJAI("Convolve");
    param.addSource(img);
    param.setParameter("kernel", blur);
    // hint with border extender
    RenderingHints hint = new RenderingHints(JAI.KEY_BORDER_EXTENDER, BorderExtender.createInstance(BorderExtender.BORDER_COPY));
    blurredImg = JAI.create("Convolve", param, hint);
    if (blurredImg == null) {
        throw new ImageOpException("Unable to scale");
    }
    img = blurredImg;
}

Example 32 with ParameterBlockJAI

use of javax.media.jai.ParameterBlockJAI in project digilib by robcast.

the class JAIDocuImage method scaleAll.

public void scaleAll(float scale) throws ImageOpException {
    RenderedImage scaledImg;
    // DEBUG
    logger.debug("scaleAll: " + scale);
    ParameterBlockJAI param = new ParameterBlockJAI("Scale");
    param.addSource(img);
    param.setParameter("xScale", scale);
    param.setParameter("yScale", scale);
    param.setParameter("interpolation", interpol);
    // hint with border extender
    RenderingHints hint = new RenderingHints(JAI.KEY_BORDER_EXTENDER, BorderExtender.createInstance(BorderExtender.BORDER_COPY));
    // scale
    scaledImg = JAI.create("Scale", param, hint);
    if (scaledImg == null) {
        throw new ImageOpException("Unable to scale");
    }
    img = scaledImg;
}

Example 33 with ParameterBlockJAI

use of javax.media.jai.ParameterBlockJAI in project digilib by robcast.

the class JAIDocuImage method scaleBinary.

public void scaleBinary(float scale) throws ImageOpException {
    RenderedImage scaledImg;
    // DEBUG
    logger.debug("scaleBinary: " + scale);
    ParameterBlockJAI param = new ParameterBlockJAI("SubsampleBinaryToGray");
    param.addSource(img);
    param.setParameter("xScale", scale);
    param.setParameter("yScale", scale);
    // hint with border extender
    RenderingHints hint = new RenderingHints(JAI.KEY_BORDER_EXTENDER, BorderExtender.createInstance(BorderExtender.BORDER_COPY));
    // scale
    scaledImg = JAI.create("SubsampleBinaryToGray", param, hint);
    if (scaledImg == null) {
        throw new ImageOpException("Unable to scale");
    }
    img = scaledImg;
}

Example 34 with ParameterBlockJAI

use of javax.media.jai.ParameterBlockJAI in project imageio-ext by geosolutions-it.

the class JP2KKakaduWriteTest method testKakaduWriterParam.

public void testKakaduWriterParam() throws KduException, FileNotFoundException, IOException {
    if (!isKakaduAvailable) {
        LOGGER.warning("Kakadu libs not found: test are skipped ");
        return;
    }
    if (files.length == 0) {
        LOGGER.warning("No files have been specified. This test will be skipped");
        return;
    }
    final String fileName = files[0];
    // final String filePath = inputFileName + fileName;
    // final File file = new File(filePath);
    final File file = TestData.file(this, fileName);
    final String filePath = file.getAbsolutePath();
    if (!file.exists()) {
        LOGGER.warning("Unable to find the file " + filePath + // + "\n Be sure you have properly specified the \"data.path\" property linking to the location where test data is available."
        "\n This test will be skipped");
        return;
    }
    final String suffix = fileName.substring(0, fileName.length() - 4);
    LinkedList<TestConfiguration> configs = new LinkedList<TestConfiguration>();
    JP2KKakaduImageWriteParam param = new JP2KKakaduImageWriteParam();
    param.setSourceRegion(new Rectangle(100, 0, 450, 800));
    param.setSourceSubsampling(2, 3, 0, 0);
    configs.add(new TestConfiguration(outputFileName + "_pp_" + suffix, true, lossLessQuality, false, param));
    configs.add(new TestConfiguration(outputFileName + "_pp_" + suffix, false, lossLessQuality, false, param));
    configs.add(new TestConfiguration(outputFileName + "_pp_" + suffix, true, lossyQuality, false, param));
    configs.add(new TestConfiguration(outputFileName + "_pp_" + suffix, false, lossyQuality, false, param));
    configs.add(new TestConfiguration(outputFileName + "_pp_JAI_" + suffix, true, lossLessQuality, true, param));
    configs.add(new TestConfiguration(outputFileName + "_pp_JAI_" + suffix, false, lossLessQuality, true, param));
    for (TestConfiguration config : configs) {
        final ParameterBlockJAI pbjImageRead = new ParameterBlockJAI("ImageRead");
        ImageReader reader = ImageIO.getImageReaders(ImageIO.createImageInputStream(file)).next();
        pbjImageRead.setParameter("reader", reader);
        pbjImageRead.setParameter("Input", file);
        RenderedOp image = JAI.create("ImageRead", pbjImageRead);
        write(config.outputFileName, image, config.writeCodeStreamOnly, config.quality, config.useJAI, config.param);
    }
}

Example 35 with ParameterBlockJAI

use of javax.media.jai.ParameterBlockJAI in project imageio-ext by geosolutions-it.

the class JP2KakaduReadTest method jaiReadFromFile.

@org.junit.Test
public void jaiReadFromFile() throws IOException {
    if (!runTests)
        return;
    final File file = TestData.file(this, "CB_TM432.jp2");
    ImageReadDescriptorMT.register(JAI.getDefaultInstance());
    final ParameterBlockJAI pbjImageRead = new ParameterBlockJAI("ImageReadMT");
    ImageLayout l = new ImageLayout();
    l.setTileHeight(256);
    l.setTileWidth(256);
    JP2KKakaduImageReadParam rp = new JP2KKakaduImageReadParam();
    rp.setSourceSubsampling(1, 1, 0, 0);
    rp.setSourceRegion(new Rectangle(10, 10, 200, 200));
    rp.setInterpolationType(JP2KKakaduImageReadParam.INTERPOLATION_BILINEAR);
    rp.setQualityLayers(2);
    pbjImageRead.setParameter("ReadParam", rp);
    pbjImageRead.setParameter("Input", file);
    pbjImageRead.setParameter("imageChoice", 0);
    RenderedOp image = JAI.create("ImageReadMT", pbjImageRead, new RenderingHints(JAI.KEY_IMAGE_LAYOUT, l));
    if (TestData.isInteractiveTest())
        ImageIOUtilities.visualize(image);
    else
        Assert.assertNotNull(image.getTiles());
}