Example usage for java.awt.image BufferedImage getColorModel

List of usage examples for java.awt.image BufferedImage getColorModel

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Introduction

In this page you can find the example usage for java.awt.image BufferedImage getColorModel.

Prototype

public ColorModel getColorModel()

Source Link

Document

Returns the ColorModel .

Usage

From source file:org.dcm4che3.tool.dcm2jpg.Dcm2Jpg.java

private BufferedImage convert(BufferedImage bi) {
    ColorModel cm = bi.getColorModel();
    return cm.getNumComponents() == 3 ? BufferedImageUtils.convertToIntRGB(bi) : bi;
}

From source file:org.dcm4che.tool.dcm2jpg.Dcm2Jpg.java

private BufferedImage convert(BufferedImage bi) {
    ColorModel cm = bi.getColorModel();
    if (cm instanceof PaletteColorModel)
        return ((PaletteColorModel) cm).convertToIntDiscrete(bi.getData());
    return bi;//from   ww w. ja  va  2  s.co  m
}

From source file:org.github.jipsg.sanselan.ImageConversionSanselanTest.java

/**
 * Convert images having a transparency layer (alpha-channel) to JPG. Without
 * further handling the alpha-channel will be rendered black.
 * The test fails with "org.apache.commons.imaging.ImageWriteException: This image format (Jpeg-Custom) cannot be written."
 *///  w  w w.ja v  a  2s  . c  o  m
@Test(expected = org.apache.commons.imaging.ImageWriteException.class)
public void testWriteTransparentImagesAsJpeg() throws Exception {

    String formatName = "jpeg";
    List<File> sourceImageFileList = new ArrayList<File>();

    sourceImageFileList.add(getImageFile("gif", "test-image-transparent.gif"));
    sourceImageFileList.add(getImageFile("png", "test-image-transparent.png"));

    for (File sourceImageFile : sourceImageFileList) {

        BufferedImage bufferedImage = createBufferedImage(sourceImageFile);
        assertValidBufferedImage(bufferedImage);
        assertTrue("Expecting transparency", bufferedImage.getColorModel().hasAlpha());
        assertTrue("Expecting ARGB color model", bufferedImage.getType() == BufferedImage.TYPE_INT_ARGB);

        File targetImageFile = createOutputFileName("testWriteTransparentImagesAsJpeg", sourceImageFile,
                formatName);
        writeBufferedImage(bufferedImage, formatName, targetImageFile);
    }
}

From source file:org.github.jipsg.sanselan.ImageConversionSanselanTest.java

/**
 * Convert images having a transparency layer (alpha-channel) to JPG. Fill
 * the alpha-channel with Color.WHITE to have a useful image.
 * The test fails with "org.apache.commons.imaging.ImageWriteException: This image format (Jpeg-Custom) cannot be written."
 *//* ww w.ja v a2 s  . c  o m*/
@Test(expected = org.apache.commons.imaging.ImageWriteException.class)
public void testWriteTransparentImagesWithAlphaChannelHandlingAsJpeg() throws Exception {

    String formatName = "jpeg";
    List<File> sourceImageFileList = new ArrayList<File>();

    sourceImageFileList.add(getImageFile("gif", "test-image-transparent.gif"));
    sourceImageFileList.add(getImageFile("png", "test-image-transparent.png"));

    for (File sourceImageFile : sourceImageFileList) {

        BufferedImage bufferedImage = createBufferedImage(sourceImageFile);
        assertValidBufferedImage(bufferedImage);
        assertTrue("Expecting transparency", bufferedImage.getColorModel().hasAlpha());
        assertTrue("Expecting ARGB color model", bufferedImage.getType() == BufferedImage.TYPE_INT_ARGB);

        BufferedImage rgbBufferedImage = new BufferedImage(bufferedImage.getWidth(), bufferedImage.getHeight(),
                BufferedImage.TYPE_INT_RGB);
        Graphics2D graphics = rgbBufferedImage.createGraphics();
        graphics.drawImage(bufferedImage, 0, 0, null);
        graphics.dispose();
        assertValidBufferedImage(rgbBufferedImage);
        assertFalse("Expecting no transparency", rgbBufferedImage.getColorModel().hasAlpha());
        assertEquals("Expecting RGB color model", BufferedImage.TYPE_INT_RGB, rgbBufferedImage.getType());

        File targetImageFile = createOutputFileName("testWriteTransparentImagesWithAlphaChannelHandlingAsJpeg",
                sourceImageFile, formatName);
        writeBufferedImage(bufferedImage, formatName, targetImageFile);
    }
}

From source file:app.springapp.ImageConverter.java

BufferedImage deepCopy(BufferedImage bi) {
    ColorModel cm = bi.getColorModel();
    boolean isAlphaPremultiplied = cm.isAlphaPremultiplied();
    WritableRaster raster = bi.copyData(null);
    return new BufferedImage(cm, raster, isAlphaPremultiplied, null);
}

From source file:haven.Utils.java

public static BufferedImage outline(BufferedImage img, Color col) {
    Coord sz = imgsz(img).add(2, 2);/*from   ww w .ja  v  a2  s . c  om*/
    BufferedImage ol = TexI.mkbuf(sz);
    Object fcol = ol.getColorModel().getDataElements(col.getRGB(), null);
    Raster src = img.getRaster();
    WritableRaster dst = ol.getRaster();
    for (int y = 0; y < sz.y; y++) {
        for (int x = 0; x < sz.x; x++) {
            boolean t;
            if ((y == 0) || (x == 0) || (y == sz.y - 1) || (x == sz.x - 1)) {
                t = true;
            } else {
                t = src.getSample(x - 1, y - 1, 3) < 250;
            }
            if (!t)
                continue;
            if (((x > 1) && (y > 0) && (y < sz.y - 1) && (src.getSample(x - 2, y - 1, 3) >= 250))
                    || ((x > 0) && (y > 1) && (x < sz.x - 1) && (src.getSample(x - 1, y - 2, 3) >= 250))
                    || ((x < sz.x - 2) && (y > 0) && (y < sz.y - 1) && (src.getSample(x, y - 1, 3) >= 250))
                    || ((x > 0) && (y < sz.y - 2) && (x < sz.x - 1) && (src.getSample(x - 1, y, 3) >= 250)))
                dst.setDataElements(x, y, fcol);
        }
    }
    return (ol);
}

From source file:org.polymap.rhei.batik.engine.svg.Svg2PngTest.java

@Test
public void testScaleSVG() throws Exception {
    ImageConfiguration imageConfig = new ImageConfiguration();
    imageConfig.setName("default");
    imageConfig.setDepth(ColorDepth.B4);
    imageConfig.setAdjHue(0.3f);//w ww . ja  v  a 2  s .  c  o m
    imageConfig.setAdjSaturation(0.8f);
    imageConfig.setAdjBrightness(0f);
    imageConfig.setColorType(COLOR_TYPE.RGB);

    File pngPath = new File("build/Svg2PngTest");
    pngPath.mkdirs();
    FileUtils.cleanDirectory(pngPath);

    File svgFile = new File(pngPath, EXAMPLE_SVG2);
    FileUtils.copyURLToFile(getClass().getResource(EXAMPLE_SVG2), svgFile);

    svg2Png.transcode(pngPath.getAbsolutePath(), Collections.singletonList(svgFile),
            Collections.singletonList(Scale.P16), Collections.singletonList(imageConfig));

    BufferedImage image = ImageIO
            .read(new File(pngPath + "/default/16/" + EXAMPLE_SVG2.replace(".svg", ".png")));
    Assert.assertNotNull(image);
    Assert.assertEquals(16f, image.getHeight(), 0.5f);
    Assert.assertEquals(16f, image.getWidth(), 0.5f);
    Assert.assertEquals(1, image.getColorModel().getPixelSize());
}

From source file:net.d53dev.dslfy.web.service.GifService.java

public BufferedImage convertRGBAToGIF(BufferedImage src, int transColor) {
    BufferedImage dst = new BufferedImage(src.getWidth(), src.getHeight(), BufferedImage.TYPE_BYTE_INDEXED);
    Graphics g = dst.getGraphics();
    g.setColor(new Color(transColor));
    g.fillRect(0, 0, dst.getWidth(), dst.getHeight());
    {/*from w  ww  .jav a2s. co m*/
        IndexColorModel indexedModel = (IndexColorModel) dst.getColorModel();
        WritableRaster raster = dst.getRaster();
        int sample = raster.getSample(0, 0, 0);
        int size = indexedModel.getMapSize();
        byte[] rr = new byte[size];
        byte[] gg = new byte[size];
        byte[] bb = new byte[size];
        indexedModel.getReds(rr);
        indexedModel.getGreens(gg);
        indexedModel.getBlues(bb);
        IndexColorModel newModel = new IndexColorModel(8, size, rr, gg, bb, sample);
        dst = new BufferedImage(newModel, raster, dst.isAlphaPremultiplied(), null);
    }
    dst.createGraphics().drawImage(src, 0, 0, null);
    return dst;
}

From source file:com.ackpdfbox.app.imageio.TIFFUtil.java

/**
 * Updates the given ImageIO metadata with Sun's custom TIFF tags, as described in
 * the <a href="https://svn.apache.org/repos/asf/xmlgraphics/commons/tags/commons-1_3_1/src/java/org/apache/xmlgraphics/image/writer/imageio/ImageIOTIFFImageWriter.java">org.apache.xmlgraphics.image.writer.ImageIOTIFFImageWriter
 * sources</a>, /*from  w  w w  . j a  va 2 s .  co  m*/
 * the <a href="http://download.java.net/media/jai-imageio/javadoc/1.0_01/com/sun/media/imageio/plugins/tiff/package-summary.html">com.sun.media.imageio.plugins.tiff
 * package javadoc</a>
 * and the <a href="http://partners.adobe.com/public/developer/tiff/index.html">TIFF
 * specification</a>.
 *
 * @param image buffered image which will be written
 * @param metadata ImageIO metadata
 * @param dpi image dots per inch
 * @throws IIOInvalidTreeException if something goes wrong
 */
static void updateMetadata(IIOMetadata metadata, BufferedImage image, int dpi) throws IIOInvalidTreeException {
    debugLogMetadata(metadata, SUN_TIFF_FORMAT);

    if (!SUN_TIFF_FORMAT.equals(metadata.getNativeMetadataFormatName())) {
        LOG.debug("Using unknown TIFF image writer: " + metadata.getNativeMetadataFormatName());
        return;
    }

    IIOMetadataNode root = new IIOMetadataNode(SUN_TIFF_FORMAT);
    IIOMetadataNode ifd;
    if (root.getElementsByTagName("TIFFIFD").getLength() == 0) {
        ifd = new IIOMetadataNode("TIFFIFD");
        ifd.setAttribute("tagSets", tagSetClassName);
        root.appendChild(ifd);
    } else {
        ifd = (IIOMetadataNode) root.getElementsByTagName("TIFFIFD").item(0);
    }

    // standard metadata does not work, so we set the DPI manually
    ifd.appendChild(createRationalField(282, "XResolution", dpi, 1));
    ifd.appendChild(createRationalField(283, "YResolution", dpi, 1));
    ifd.appendChild(createShortField(296, "ResolutionUnit", 2)); // Inch

    ifd.appendChild(createLongField(278, "RowsPerStrip", image.getHeight()));
    ifd.appendChild(createAsciiField(305, "Software", "PDFBOX"));

    if (image.getType() == BufferedImage.TYPE_BYTE_BINARY && image.getColorModel().getPixelSize() == 1) {
        // set PhotometricInterpretation WhiteIsZero
        // because of bug in Windows XP preview
        ifd.appendChild(createShortField(262, "PhotometricInterpretation", 0));
    }

    metadata.mergeTree(SUN_TIFF_FORMAT, root);

    debugLogMetadata(metadata, SUN_TIFF_FORMAT);
}

From source file:com.aegon.pdf2tiff.TIFFUtil.java

/**
 * Updates the given ImageIO metadata with Sun's custom TIFF tags.
 * {@see https://svn.apache.org/repos/asf/xmlgraphics/commons/tags/commons-1_3_1/src/java/org/
 *       apache/xmlgraphics/image/writer/imageio/ImageIOTIFFImageWriter.java}
 * {@see http://download.java.net/media/jai-imageio/javadoc/1.0_01/com/sun/media/imageio/
 *       plugins/tiff/package-summary.html}
 * {@see http://partners.adobe.com/public/developer/tiff/index.html}
 * @param image buffered image which will be written
 * @param metadata ImageIO metadata//from w  ww.  jav a  2s  . c o  m
 * @param dpi image dots per inch
 */
public static void updateMetadata(IIOMetadata metadata, BufferedImage image, int dpi) {
    debugLogMetadata(metadata, SUN_TIFF_FORMAT);

    if (!SUN_TIFF_FORMAT.equals(metadata.getNativeMetadataFormatName())) {
        LOG.debug("Using unknown TIFF image writer: " + metadata.getNativeMetadataFormatName());
        return;
    }

    IIOMetadataNode root = new IIOMetadataNode(SUN_TIFF_FORMAT);
    IIOMetadataNode ifd;
    if (root.getElementsByTagName("TIFFIFD").getLength() == 0) {
        ifd = new IIOMetadataNode("TIFFIFD");
        ifd.setAttribute("tagSets", "com.sun.media.imageio.plugins.tiff.BaselineTIFFTagSet");
        root.appendChild(ifd);
    } else {
        ifd = (IIOMetadataNode) root.getElementsByTagName("TIFFIFD").item(0);
    }

    // standard metadata does not work, so we set the DPI manually
    ifd.appendChild(createRationalField(282, "XResolution", dpi, 1));
    ifd.appendChild(createRationalField(283, "YResolution", dpi, 1));
    ifd.appendChild(createShortField(296, "ResolutionUnit", 2)); // Inch

    ifd.appendChild(createLongField(278, "RowsPerStrip", image.getHeight()));
    ifd.appendChild(createAsciiField(305, "Software", "PDFBOX"));

    if (image.getType() == BufferedImage.TYPE_BYTE_BINARY && image.getColorModel().getPixelSize() == 1) {
        // set PhotometricInterpretation WhiteIsZero
        // because of bug in Windows XP preview
        ifd.appendChild(createShortField(262, "PhotometricInterpretation", 0));
    }

    try {
        metadata.mergeTree(SUN_TIFF_FORMAT, root);
    } catch (IIOInvalidTreeException e) {
        // should never happen
        throw new RuntimeException(e);
    }

    debugLogMetadata(metadata, SUN_TIFF_FORMAT);
}