Examples with ImageWriteParam javax.imageio.ImageWriteParam used on opensource projects

Example 96 with ImageWriteParam

use of javax.imageio.ImageWriteParam in project imageio-ext by geosolutions-it.

the class CustomUShortImageTypesTest method testCustomUShortImage.

@Test
public void testCustomUShortImage() throws Exception {
    BufferedImage bi = ImageTypeSpecifier.createGrayscale(nbits, DataBuffer.TYPE_USHORT, false).createBufferedImage(size, size);
    Graphics2D graphics = bi.createGraphics();
    graphics.setColor(Color.BLACK);
    graphics.fillRect(0, 0, 16, 32);
    graphics.setColor(Color.WHITE);
    graphics.fillRect(16, 0, 16, 32);
    graphics.dispose();
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    float quality = 5f / 9 - 1;
    new PNGWriter().writePNG(bi, bos, -quality, FilterType.FILTER_NONE);
    BufferedImage read = ImageIO.read(new ByteArrayInputStream(bos.toByteArray()));
    ImageAssert.assertImagesEqual(bi, read);
    // now using imagewriter interface
    ImageWriter writer = new PNGImageWriterSPI().createWriterInstance();
    writer.setOutput(bos);
    ImageWriteParam wp = writer.getDefaultWriteParam();
    wp.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
    wp.setCompressionQuality(-quality);
    writer.write(null, new IIOImage(bi, null, null), wp);
    writer.dispose();
    ImageAssert.assertImagesEqual(bi, ImageIO.read(new ByteArrayInputStream(bos.toByteArray())));
}

Example 97 with ImageWriteParam

use of javax.imageio.ImageWriteParam in project imageio-ext by geosolutions-it.

the class PngSuiteImagesTest method roundTripPNGJ.

private void roundTripPNGJ(BufferedImage original, RenderedImage source) throws Exception {
    // write the PNG
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    float quality = 4f / 9 - 1;
    new PNGWriter().writePNG(original, bos, -quality, FilterType.FILTER_NONE);
    // write the output to file for eventual visual comparison
    byte[] bytes = bos.toByteArray();
    writeToFile(new File("./target/roundTripNone", sourceFile.getName()), bytes);
    // read it back
    ByteArrayInputStream bis = new ByteArrayInputStream(bytes);
    BufferedImage image = ImageIO.read(bis);
    ImageAssert.assertImagesEqual(original, image);
    // now using imagewriter interface
    ImageWriter writer = new PNGImageWriterSPI().createWriterInstance();
    writer.setOutput(bos);
    ImageWriteParam wp = writer.getDefaultWriteParam();
    wp.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
    wp.setCompressionQuality(-quality);
    writer.write(null, new IIOImage(original, null, null), wp);
    writer.dispose();
    ImageAssert.assertImagesEqual(original, ImageIO.read(new ByteArrayInputStream(bos.toByteArray())));
}

Example 98 with ImageWriteParam

use of javax.imageio.ImageWriteParam in project imageio-ext by geosolutions-it.

the class BufferedImageTypesTest method compareImage.

@Test
public void compareImage() throws Exception {
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    float quality = 4f / 9 - 1;
    new PNGWriter().writePNG(image, bos, -quality, FilterType.FILTER_NONE);
    ByteArrayInputStream bis = new ByteArrayInputStream(bos.toByteArray());
    BufferedImage readBack = ImageIO.read(bis);
    boolean success = false;
    try {
        ImageAssert.assertImagesEqual(image, readBack);
        success = true;
    } finally {
        if (!success) {
            ImageIO.write(image, "PNG", new File("./target/" + name + "_expected.png"));
            ImageIO.write(readBack, "PNG", new File("./target/" + name + "_actual.png"));
        }
    }
    // now using imagewriter interface
    ImageWriter writer = new PNGImageWriterSPI().createWriterInstance();
    writer.setOutput(bos);
    ImageWriteParam wp = writer.getDefaultWriteParam();
    wp.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
    wp.setCompressionQuality(-quality);
    writer.write(null, new IIOImage(image, null, null), wp);
    writer.dispose();
    bis = new ByteArrayInputStream(bos.toByteArray());
    readBack = ImageIO.read(bis);
    success = false;
    try {
        ImageAssert.assertImagesEqual(image, readBack);
        success = true;
    } finally {
        if (!success) {
            ImageIO.write(image, "PNG", new File("./target/" + name + "_expected.png"));
            ImageIO.write(readBack, "PNG", new File("./target/" + name + "_actual.png"));
        }
    }
}

Example 99 with ImageWriteParam

use of javax.imageio.ImageWriteParam in project imageio-ext by geosolutions-it.

the class JP2KWriteTest method write_Qstep.

// ////////////////////////////////////////////////////////////////////////
// 
// Testing "Qstep" Create Option.
// 
// ////////////////////////////////////////////////////////////////////////
@Test
public void write_Qstep() throws IOException, FileNotFoundException {
    if (!isJp2KakDriverAvailable)
        return;
    LOGGER.info("Testing JP2 Write operation with Qstep option setting");
    // //
    // Preparing input/output files
    // //
    final File inputFile = TestData.file(this, testFileName);
    Assert.assertTrue(inputFile.exists());
    // Output files resulting from 3 different values of the same create
    // option. In this test, the create option is Qstep.
    final float firstQstepParam = 0.2f;
    final float secondQstepParam = 1.7f;
    final String fileName1 = new StringBuffer("Qstep-").append(Float.toString(firstQstepParam)).append("f-.jp2").toString();
    final String fileName2 = new StringBuffer("Qstep-").append(Float.toString(secondQstepParam)).append("f-.jp2").toString();
    final String fileName3 = "Qstep-Default-.jp2";
    final File outputFile1 = TestData.temp(this, fileName1, deleteTempFilesOnExit);
    final File outputFile2 = TestData.temp(this, fileName2, deleteTempFilesOnExit);
    final File outputFile3 = TestData.temp(this, fileName3, deleteTempFilesOnExit);
    // //
    // Preparing to read
    // //
    final ParameterBlockJAI pbjImageRead = new ParameterBlockJAI("ImageRead");
    pbjImageRead.setParameter("Input", inputFile);
    if (ENABLE_SUBSAMPLING) {
        ImageReadParam readParam = new ImageReadParam();
        readParam.setSourceSubsampling(4, 4, 0, 0);
        pbjImageRead.setParameter("readParam", readParam);
    }
    pbjImageRead.setParameter("Reader", new JP2GDALKakaduImageReaderSpi().createReaderInstance());
    RenderedOp image = JAI.create("ImageRead", pbjImageRead);
    // ////////////////////////////////////////////////////////////////////
    // 
    // preparing to write (1ST version of the create option test)
    // 
    // ////////////////////////////////////////////////////////////////////
    // Setting output and writer
    final ParameterBlockJAI pbjImageWrite = new ParameterBlockJAI("ImageWrite");
    pbjImageWrite.setParameter("Output", new FileImageOutputStreamExtImpl(outputFile1));
    ImageWriter writer = new JP2GDALKakaduImageWriterSpi().createWriterInstance();
    pbjImageWrite.setParameter("Writer", writer);
    // Specifying image source to write
    pbjImageWrite.addSource(image);
    ImageWriteParam param = writer.getDefaultWriteParam();
    // Specifying the required create option
    ((JP2GDALKakaduImageWriteParam) param).setQstep(firstQstepParam);
    pbjImageWrite.setParameter("writeParam", param);
    // Writing
    final RenderedOp op = JAI.create("ImageWrite", pbjImageWrite);
    // ////////////////////////////////////////////////////////////////////
    // 
    // preparing to write (2ND version of the create option test)
    // 
    // ////////////////////////////////////////////////////////////////////
    // Setting output and writer
    final ParameterBlockJAI pbjImageWrite2 = new ParameterBlockJAI("ImageWrite");
    pbjImageWrite2.setParameter("Output", new FileImageOutputStreamExtImpl(outputFile2));
    ImageWriter writer2 = new JP2GDALKakaduImageWriterSpi().createWriterInstance();
    pbjImageWrite2.setParameter("Writer", writer2);
    // Specifying image source to write
    pbjImageWrite2.addSource(image);
    ImageWriteParam param2 = writer2.getDefaultWriteParam();
    // Specifying the required create option
    ((JP2GDALKakaduImageWriteParam) param2).setQstep(secondQstepParam);
    pbjImageWrite2.setParameter("writeParam", param2);
    // Writing
    final RenderedOp op2 = JAI.create("ImageWrite", pbjImageWrite2);
    // ////////////////////////////////////////////////////////////////////
    // 
    // preparing to write (3ND version of the create option - DEFAULT)
    // 
    // ////////////////////////////////////////////////////////////////////
    // Setting output and writer
    final ParameterBlockJAI pbjImageWrite3 = new ParameterBlockJAI("ImageWrite");
    pbjImageWrite3.setParameter("Output", new FileImageOutputStreamExtImpl(outputFile3));
    ImageWriter writer3 = new JP2GDALKakaduImageWriterSpi().createWriterInstance();
    pbjImageWrite3.setParameter("Writer", writer3);
    // Specifying image source to write
    pbjImageWrite3.addSource(image);
    ImageWriteParam param3 = writer3.getDefaultWriteParam();
    // Specifying the required create option
    pbjImageWrite3.setParameter("writeParam", param3);
    // Writing
    final RenderedOp op3 = JAI.create("ImageWrite", pbjImageWrite3);
}

Example 100 with ImageWriteParam

use of javax.imageio.ImageWriteParam in project imageio-ext by geosolutions-it.

the class JP2KWriteTest method write_ORGtparts.

// ////////////////////////////////////////////////////////////////////////
// 
// Testing "ORGtparts" Create Option.
// 
// ////////////////////////////////////////////////////////////////////////
@Test
public void write_ORGtparts() throws IOException, FileNotFoundException {
    if (!isJp2KakDriverAvailable)
        return;
    LOGGER.info("Testing JP2 Write operation with ORGtparts option setting");
    // //
    // Preparing input/output files
    // //
    final File inputFile = TestData.file(this, testFileName);
    Assert.assertTrue(inputFile.exists());
    // //
    // Preparing to read
    // //
    final ParameterBlockJAI pbjImageRead = new ParameterBlockJAI("ImageRead");
    pbjImageRead.setParameter("Input", inputFile);
    if (ENABLE_SUBSAMPLING) {
        ImageReadParam readParam = new ImageReadParam();
        readParam.setSourceSubsampling(8, 8, 0, 0);
        pbjImageRead.setParameter("readParam", readParam);
    }
    pbjImageRead.setParameter("Reader", new JP2GDALKakaduImageReaderSpi().createReaderInstance());
    RenderedOp image = JAI.create("ImageRead", pbjImageRead);
    // ////////////////////////////////////////////////////////////////////
    // 
    // preparing to write (i-TH version of the create option test)
    // 
    // ////////////////////////////////////////////////////////////////////
    final String[] createVersions = { "R", "C", "L", "R|C", "R|L", "L|C", "R|L|C" };
    final String[] filenameVersions = { "R", "C", "L", "RC", "RL", "LC", "RLC" };
    final int numberOfVersions = createVersions.length;
    for (int i = 0; i < numberOfVersions; i++) {
        // Output files resulting from different values of the same create
        // option. In this test, the create option is ORGtparts.
        final String filenameVersion = filenameVersions[i];
        final StringBuffer fileName = new StringBuffer("ORGtparts").append(filenameVersion).append("-.jp2");
        final File outputFile = TestData.temp(this, fileName.toString(), deleteTempFilesOnExit);
        // Setting output and writer
        final ParameterBlockJAI pbjImageWrite = new ParameterBlockJAI("ImageWrite");
        pbjImageWrite.setParameter("Output", new FileImageOutputStreamExtImpl(outputFile));
        ImageWriter writer = new JP2GDALKakaduImageWriterSpi().createWriterInstance();
        pbjImageWrite.setParameter("Writer", writer);
        // Specifying image source to write
        pbjImageWrite.addSource(image);
        ImageWriteParam param = writer.getDefaultWriteParam();
        // Specifying the required create option
        ((JP2GDALKakaduImageWriteParam) param).setORGgen_plt("yes");
        ((JP2GDALKakaduImageWriteParam) param).setLayers(10);
        ((JP2GDALKakaduImageWriteParam) param).setCorder("LRCP");
        ((JP2GDALKakaduImageWriteParam) param).setTiling(1024, 1024);
        ((JP2GDALKakaduImageWriteParam) param).setORGtparts(createVersions[i]);
        pbjImageWrite.setParameter("writeParam", param);
        // Writing
        final RenderedOp op = JAI.create("ImageWrite", pbjImageWrite);
    }
}