Examples with ColorConvertOp java.awt.image.ColorConvertOp used on opensource projects

Example 36 with ColorConvertOp

use of java.awt.image.ColorConvertOp in project BroadleafCommerce by BroadleafCommerce.

the class GaussianBlur method filter.

public BufferedImage filter(BufferedImage src, BufferedImage dst) {
    if (kernelSize < 1 || kernelSize > NUM_KERNELS) {
        return src;
    }
    if (numOfPasses < 1) {
        return src;
    }
    if (src == null) {
        throw new NullPointerException("src image is null");
    }
    if (src == dst) {
        throw new IllegalArgumentException("src image cannot be the same as the dst image");
    }
    boolean needToConvert = false;
    ColorModel srcCM = src.getColorModel();
    ColorModel dstCM;
    BufferedImage origDst = dst;
    if (srcCM instanceof IndexColorModel) {
        IndexColorModel icm = (IndexColorModel) srcCM;
        src = icm.convertToIntDiscrete(src.getRaster(), false);
        srcCM = src.getColorModel();
    }
    if (dst == null) {
        dst = createCompatibleDestImage(src, null);
        dstCM = srcCM;
        origDst = dst;
    } else {
        dstCM = dst.getColorModel();
        if (srcCM.getColorSpace().getType() != dstCM.getColorSpace().getType()) {
            needToConvert = true;
            dst = createCompatibleDestImage(src, null);
            dstCM = dst.getColorModel();
        } else if (dstCM instanceof IndexColorModel) {
            dst = createCompatibleDestImage(src, null);
            dstCM = dst.getColorModel();
        }
    }
    float[] matrix = GAUSSIAN_BLUR_KERNELS[kernelSize - 1];
    Kernel gaussianBlur1 = new Kernel(matrix.length, 1, matrix);
    Kernel gaussianBlur2 = new Kernel(1, matrix.length, matrix);
    ConvolveOp gaussianOp1 = new ConvolveOp(gaussianBlur1, ConvolveOp.EDGE_NO_OP, null);
    ConvolveOp gaussianOp2 = new ConvolveOp(gaussianBlur2, ConvolveOp.EDGE_NO_OP, null);
    BufferedImage tempImage = new BufferedImage(src.getWidth(), src.getHeight(), src.getType());
    dst = new BufferedImage(src.getWidth(), src.getHeight(), src.getType());
    BufferedImage nextSource = src;
    for (int i = 0; i < numOfPasses; i++) {
        tempImage = gaussianOp1.filter(nextSource, tempImage);
        dst = gaussianOp2.filter(tempImage, dst);
        nextSource = dst;
    }
    if (needToConvert) {
        ColorConvertOp ccop = new ColorConvertOp(hints);
        ccop.filter(dst, origDst);
    } else if (origDst != dst) {
        java.awt.Graphics2D g = origDst.createGraphics();
        try {
            g.drawImage(dst, 0, 0, null);
        } finally {
            g.dispose();
        }
    }
    return origDst;
}

Example 37 with ColorConvertOp

use of java.awt.image.ColorConvertOp in project java-swing-tips by aterai.

the class GrayImageFilter method makeGrayImageIcon1.

private static ImageIcon makeGrayImageIcon1(Image img) {
    int w = img.getWidth(null);
    int h = img.getHeight(null);
    BufferedImage source = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);
    Graphics g = source.createGraphics();
    g.drawImage(img, 0, 0, null);
    g.dispose();
    ColorConvertOp ccOp = new ColorConvertOp(ColorSpace.getInstance(ColorSpace.CS_GRAY), null);
    return new ImageIcon(ccOp.filter(source, null));
}

Example 38 with ColorConvertOp

use of java.awt.image.ColorConvertOp in project pdfbox by apache.

the class LosslessFactoryTest method testCreateLosslessFrom16Bit.

@Test
void testCreateLosslessFrom16Bit() throws IOException {
    PDDocument document = new PDDocument();
    BufferedImage image = ImageIO.read(this.getClass().getResourceAsStream("png.png"));
    ColorSpace targetCS = ColorSpace.getInstance(ColorSpace.CS_sRGB);
    int dataBufferType = DataBuffer.TYPE_USHORT;
    final ColorModel colorModel = new ComponentColorModel(targetCS, false, false, ColorModel.OPAQUE, dataBufferType);
    WritableRaster targetRaster = Raster.createInterleavedRaster(dataBufferType, image.getWidth(), image.getHeight(), targetCS.getNumComponents(), new Point(0, 0));
    BufferedImage img16Bit = new BufferedImage(colorModel, targetRaster, false, new Hashtable<>());
    ColorConvertOp op = new ColorConvertOp(image.getColorModel().getColorSpace(), targetCS, null);
    op.filter(image, img16Bit);
    PDImageXObject ximage = LosslessFactory.createFromImage(document, img16Bit);
    validate(ximage, 16, img16Bit.getWidth(), img16Bit.getHeight(), "png", PDDeviceRGB.INSTANCE.getName());
    checkIdent(image, ximage.getImage());
    doWritePDF(document, ximage, TESTRESULTSDIR, "misc-16bit.pdf");
}

Example 39 with ColorConvertOp

use of java.awt.image.ColorConvertOp in project pdfbox by apache.

the class LosslessFactoryTest method testCreateLosslessFromImageCMYK.

/**
 * Test lossless encoding of CMYK images
 */
@Test
void testCreateLosslessFromImageCMYK() throws IOException {
    PDDocument document = new PDDocument();
    BufferedImage image = ImageIO.read(this.getClass().getResourceAsStream("png.png"));
    final ColorSpace targetCS = new ICC_ColorSpace(ICC_Profile.getInstance(this.getClass().getResourceAsStream("/org/apache/pdfbox/resources/icc/ISOcoated_v2_300_bas.icc")));
    ColorConvertOp op = new ColorConvertOp(image.getColorModel().getColorSpace(), targetCS, null);
    BufferedImage imageCMYK = op.filter(image, null);
    PDImageXObject ximage = LosslessFactory.createFromImage(document, imageCMYK);
    validate(ximage, 8, imageCMYK.getWidth(), imageCMYK.getHeight(), "png", "ICCBased");
    doWritePDF(document, ximage, TESTRESULTSDIR, "cmyk.pdf");
// still slight difference of 1 color level
// checkIdent(imageCMYK, ximage.getImage());
}