Example usage for java.awt.image BufferedImage setRGB

Introduction

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

Prototype

public void setRGB(int x, int y, int rgb) 

Source Link

Document

Sets a pixel in this BufferedImage to the specified RGB value.

Usage

From source file:org.iish.visualmets.services.ImageTransformation.java

/**
 * Returns a 90 degrees rotated image//from   ww  w.  jav  a2s .  c  o m
 *
 * @param bi image
 * @return a rotated image
 */
private BufferedImage RotateImage90Degrees(BufferedImage bi) {
    int width = bi.getWidth();
    int height = bi.getHeight();

    BufferedImage biFlip = new BufferedImage(height, width, bi.getType());

    for (int i = 0; i < width; i++)
        for (int j = 0; j < height; j++) {
            biFlip.setRGB(height - 1 - j, i, bi.getRGB(i, j));
        }

    return biFlip;
}

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From source file:org.iish.visualmets.services.ImageTransformation.java

/**
 * Returns a 180 degrees rotated image// w w  w.  j ava 2s.c  o m
 *
 * @param bi image
 * @return a rotated image
 */
private BufferedImage RotateImage180Degrees(BufferedImage bi) {
    int width = bi.getWidth();
    int height = bi.getHeight();

    BufferedImage biFlip = new BufferedImage(width, height, bi.getType());

    for (int i = 0; i < width; i++)
        for (int j = 0; j < height; j++) {
            biFlip.setRGB(width - 1 - i, height - 1 - j, bi.getRGB(i, j));
        }

    return biFlip;
}

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From source file:org.iish.visualmets.services.ImageTransformation.java

/**
 * Returns a 270 degrees rotated image//from   w  w w.  j  a  v  a2s .  c om
 *
 * @param bi image
 * @return a rotated image
 */
private BufferedImage RotateImage270Degrees(BufferedImage bi) {
    int width = bi.getWidth();
    int height = bi.getHeight();

    BufferedImage biFlip = new BufferedImage(height, width, bi.getType());

    for (int i = 0; i < width; i++)
        for (int j = 0; j < height; j++) {
            biFlip.setRGB(j, width - 1 - i, bi.getRGB(i, j));
        }

    return biFlip;
}

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From source file:com.xuggle.xuggler.UtilsTest.java

@SuppressWarnings("deprecation")
@Test//from ww w.  j  a v a2 s  .co  m
public void testImageToImageSolidColor() {
    int w = 50;
    int h = 50;
    int gray = Color.GRAY.getRGB();

    // construct an all gray image

    BufferedImage image1 = new BufferedImage(w, h, BufferedImage.TYPE_3BYTE_BGR);
    for (int x = 0; x < w; ++x)
        for (int y = 0; y < h; ++y)
            image1.setRGB(x, y, gray);

    // convert image1 to a picture and then back to image2

    BufferedImage image2 = Utils.videoPictureToImage(Utils.imageToVideoPicture(image1, 0));

    // test that all the pixels in image2 are gray, but not black or
    // white

    for (int x = 0; x < w; ++x)
        for (int y = 0; y < h; ++y) {
            int pixel = image2.getRGB(x, y);
            assertTrue("color value missmatch", pixel == gray);
        }
}

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From source file:org.sejda.sambox.pdmodel.graphics.image.JPEGFactoryTest.java

@Test
public void testCreateFromImageINT_ARGB() throws IOException {
    // workaround Open JDK bug
    // http://bugs.java.com/bugdatabase/view_bug.do?bug_id=7044758
    if (System.getProperty("java.runtime.name").equals("OpenJDK Runtime Environment")
            && (System.getProperty("java.specification.version").equals("1.6")
                    || System.getProperty("java.specification.version").equals("1.7")
                    || System.getProperty("java.specification.version").equals("1.8"))) {
        return;/*  www.  j  a  v  a2s  .c o m*/
    }

    PDDocument document = new PDDocument();
    BufferedImage image = ImageIO.read(JPEGFactoryTest.class.getResourceAsStream("jpeg.jpg"));

    // create an ARGB image
    int width = image.getWidth();
    int height = image.getHeight();
    BufferedImage argbImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
    Graphics ag = argbImage.getGraphics();
    ag.drawImage(image, 0, 0, null);
    ag.dispose();

    for (int x = 0; x < argbImage.getWidth(); ++x) {
        for (int y = 0; y < argbImage.getHeight(); ++y) {
            argbImage.setRGB(x, y, (argbImage.getRGB(x, y) & 0xFFFFFF) | ((y / 10 * 10) << 24));
        }
    }

    PDImageXObject ximage = JPEGFactory.createFromImage(argbImage);
    validate(ximage, 8, width, height, "jpg", PDDeviceRGB.INSTANCE.getName());
    assertNotNull(ximage.getSoftMask());
    validate(ximage.getSoftMask(), 8, width, height, "jpg", PDDeviceGray.INSTANCE.getName());
    assertTrue(colorCount(ximage.getSoftMask().getImage()) > image.getHeight() / 10);

    doWritePDF(document, ximage, testResultsDir, "jpeg-intargb.pdf");
}

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From source file:org.sejda.sambox.pdmodel.graphics.image.JPEGFactoryTest.java

@Test
public void testCreateFromImage4BYTE_ABGR() throws IOException {
    // workaround Open JDK bug
    // http://bugs.java.com/bugdatabase/view_bug.do?bug_id=7044758
    if (System.getProperty("java.runtime.name").equals("OpenJDK Runtime Environment")
            && (System.getProperty("java.specification.version").equals("1.6")
                    || System.getProperty("java.specification.version").equals("1.7")
                    || System.getProperty("java.specification.version").equals("1.8"))) {
        return;//from w  ww  .j  av  a 2  s . co m
    }

    PDDocument document = new PDDocument();
    BufferedImage image = ImageIO.read(JPEGFactoryTest.class.getResourceAsStream("jpeg.jpg"));

    // create an ARGB image
    int width = image.getWidth();
    int height = image.getHeight();
    BufferedImage argbImage = new BufferedImage(width, height, BufferedImage.TYPE_4BYTE_ABGR);
    Graphics ag = argbImage.getGraphics();
    ag.drawImage(image, 0, 0, null);
    ag.dispose();

    for (int x = 0; x < argbImage.getWidth(); ++x) {
        for (int y = 0; y < argbImage.getHeight(); ++y) {
            argbImage.setRGB(x, y, (argbImage.getRGB(x, y) & 0xFFFFFF) | ((y / 10 * 10) << 24));
        }
    }

    PDImageXObject ximage = JPEGFactory.createFromImage(argbImage);
    validate(ximage, 8, width, height, "jpg", PDDeviceRGB.INSTANCE.getName());
    assertNotNull(ximage.getSoftMask());
    validate(ximage.getSoftMask(), 8, width, height, "jpg", PDDeviceGray.INSTANCE.getName());
    assertTrue(colorCount(ximage.getSoftMask().getImage()) > image.getHeight() / 10);

    doWritePDF(document, ximage, testResultsDir, "jpeg-4bargb.pdf");
}

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From source file:fr.gael.drb.cortex.topic.sentinel3.jai.operator.QuicklookSlstrRIF.java

private BufferedImage toGrayScale(Raster in, PixelCorrection c, boolean invertColors, double lowerBound,
        double upperBound) {
    double offset = -lowerBound;
    double scaleFactor = 256. / (upperBound - lowerBound);
    int width = in.getWidth();
    int height = in.getHeight();

    // generate//from w  w  w .j  a v  a  2s.c  om
    BufferedImage out = new BufferedImage(width, height, BufferedImage.TYPE_3BYTE_BGR);
    for (int j = 0; j < height; j++) {
        for (int i = 0; i < width; i++) {
            int pixel = checkAndApplyCorrection(in.getSample(i, j, 0), c);
            if (pixel == c.nodata) {
                if (invertColors)
                    out.setRGB(i, j, new Color(255, 255, 255).getRGB());
                else
                    out.setRGB(i, j, new Color(0, 0, 0).getRGB());
                continue;
            }

            double normalized = (pixel + offset) * scaleFactor;
            int gray = (int) (Math.max(0, Math.min(255, normalized)));
            if (invertColors)
                gray = 255 - gray;
            out.setRGB(i, j, new Color(gray, gray, gray).getRGB());
        }
    }
    return out;
}

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From source file:preprocessing.Utils.java

public static BufferedImage removeNoisePoints(BufferedImage img) {
    for (int i = 0; i < img.getWidth(); i++) {
        for (int j = 0; j < img.getHeight(); j++) {
            int negros = 0;
            if (i + 1 < img.getWidth() && img.getRGB(i + 1, j) == -16777216)
                negros++;/*from ww  w  .j a  v a  2 s. c om*/
            if (i + 1 < img.getWidth() && j - 1 >= 0 && img.getRGB(i + 1, j - 1) == -16777216)
                negros++;
            if (j - 1 >= 0 && img.getRGB(i, j - 1) == -16777216)
                negros++;
            if (i - 1 >= 0 && j - 1 >= 0 && img.getRGB(i - 1, j - 1) == -16777216)
                negros++;
            if (i - 1 >= 0 && img.getRGB(i - 1, j) == -16777216)
                negros++;
            if (i - 1 >= 0 && j + 1 < img.getHeight() && img.getRGB(i - 1, j + 1) == -16777216)
                negros++;
            if (j + 1 < img.getHeight() && img.getRGB(i, j + 1) == -16777216)
                negros++;
            if (i + 1 < img.getWidth() && j + 1 < img.getHeight() && img.getRGB(i + 1, j + 1) == -16777216)
                negros++;
            if (negros <= 2)
                img.setRGB(i, j, -1);
        }
    }
    return img;
}

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From source file:net.sf.mzmine.modules.visualization.twod.TwoDXYPlot.java

public boolean render(final Graphics2D g2, final Rectangle2D dataArea, int index, PlotRenderingInfo info,
        CrosshairState crosshairState) {

    // if this is not TwoDDataSet
    if (index != 0)
        return super.render(g2, dataArea, index, info, crosshairState);

    // prepare some necessary constants
    final int x = (int) dataArea.getX();
    final int y = (int) dataArea.getY();
    final int width = (int) dataArea.getWidth();
    final int height = (int) dataArea.getHeight();

    final double imageRTMin = (double) getDomainAxis().getRange().getLowerBound();
    final double imageRTMax = (double) getDomainAxis().getRange().getUpperBound();
    final double imageRTStep = (imageRTMax - imageRTMin) / width;
    final double imageMZMin = (double) getRangeAxis().getRange().getLowerBound();
    final double imageMZMax = (double) getRangeAxis().getRange().getUpperBound();
    final double imageMZStep = (imageMZMax - imageMZMin) / height;

    if ((zoomOutBitmap != null) && (imageRTMin == totalRTRange.getMin())
            && (imageRTMax == totalRTRange.getMax()) && (imageMZMin == totalMZRange.getMin())
            && (imageMZMax == totalMZRange.getMax()) && (zoomOutBitmap.getWidth() == width)
            && (zoomOutBitmap.getHeight() == height)) {
        g2.drawImage(zoomOutBitmap, x, y, null);
        return true;
    }//from  w ww .j  a v  a  2  s.co  m

    // Save current time
    Date renderStartTime = new Date();

    // prepare a double array of summed intensities
    double values[][] = new double[width][height];
    maxValue = 0; // now this is an instance variable
    Random r = new Random();

    for (int i = 0; i < width; i++)
        for (int j = 0; j < height; j++) {

            double pointRTMin = imageRTMin + (i * imageRTStep);
            double pointRTMax = pointRTMin + imageRTStep;
            double pointMZMin = imageMZMin + (j * imageMZStep);
            double pointMZMax = pointMZMin + imageMZStep;

            double lv = dataset.getMaxIntensity(new Range(pointRTMin, pointRTMax),
                    new Range(pointMZMin, pointMZMax), plotMode);

            if (logScale) {
                lv = Math.log10(lv);
                if (lv < 0 || Double.isInfinite(lv))
                    lv = 0;
                values[i][j] = lv;
                //values[r.nextInt(width)][r.nextInt(height)] = lv;
            } else {
                values[i][j] = lv;
            }

            if (lv > maxValue)
                maxValue = lv;

        }

    // This should never happen, but just for correctness
    if (maxValue == 0)
        return false;

    // Normalize all values
    for (int i = 0; i < width; i++)
        for (int j = 0; j < height; j++) {
            values[i][j] /= maxValue;
        }

    // prepare a bitmap of required size
    BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);

    // draw image points
    for (int i = 0; i < width; i++)
        for (int j = 0; j < height; j++) {
            Color pointColor = paletteType.getColor(values[i][j]);
            image.setRGB(i, height - j - 1, pointColor.getRGB());
        }

    // if we are zoomed out, save the values
    if ((imageRTMin == totalRTRange.getMin()) && (imageRTMax == totalRTRange.getMax())
            && (imageMZMin == totalMZRange.getMin()) && (imageMZMax == totalMZRange.getMax())) {
        zoomOutBitmap = image;
    }

    // Paint image
    g2.drawImage(image, x, y, null);

    Date renderFinishTime = new Date();

    logger.finest("Finished rendering 2D visualizer, "
            + (renderFinishTime.getTime() - renderStartTime.getTime()) + " ms");

    return true;

}

---

From source file:pl.edu.icm.visnow.lib.utils.ImageUtilities.java

public static BufferedImage flipImageHorizontal(BufferedImage img) {
    if (img == null) {
        return null;
    }/*  www  .ja v  a2  s.c om*/

    if (img.getType() == 0) {
        img = convertToARGB(img);
    }
    BufferedImage out = new BufferedImage(img.getWidth(), img.getHeight(), img.getType());
    for (int y = 0; y < out.getHeight(); y++) {
        for (int x = 0; x < out.getWidth(); x++) {
            out.setRGB(x, y, img.getRGB(img.getWidth() - x - 1, y));
        }
    }
    return out;
}

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