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 startX, int startY, int w, int h, int[] rgbArray, int offset, int scansize) 

Source Link

Document

Sets an array of integer pixels in the default RGB color model (TYPE_INT_ARGB) and default sRGB color space, into a portion of the image data.

Usage

From source file:com.github.orangefoundry.gorender.controllers.ImageRenderController.java

private byte[] renderPlaceHolder(String size, String colour) throws IOException {

    if (size == null || size.isEmpty()) {
        size = Default.SIZE.getValue();//from  www .j  a  v  a 2  s.  c om
    }

    if (colour == null || colour.isEmpty()) {
        colour = Default.COLOUR.getValue();
    }

    String[] sizes = new String[2];

    if (size != null && !size.isEmpty()) {
        sizes = size.toLowerCase().split("x");
    }

    int width = Integer.parseInt(sizes[0]), height = Integer.parseInt(sizes[1]);

    final ColourToAWTColour colourToAWTColour = new ColourToAWTColour();
    Color myColour = colourToAWTColour.getColour(colour);
    int rgb = myColour.getRGB();

    BufferedImage bi = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
    int[] data = new int[width * height];
    int i = 0;
    for (int y = 0; y < height; y++) {
        for (int x = 0; x < width; x++) {
            data[i++] = rgb;
        }
    }
    bi.setRGB(0, 0, width, height, data, 0, width);

    ByteArrayOutputStream bao = new ByteArrayOutputStream();

    ImageIO.write(bi, "png", bao);

    return bao.toByteArray();
}

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

public static void copyRGBcolumns(BufferedImage sourceImg, int sourceStartX, int sourceWidth,
        BufferedImage targetImg, int targetStartX) {
    targetImg.setRGB(targetStartX, 0, sourceWidth, sourceImg.getHeight(),
            sourceImg.getRGB(sourceStartX, 0, sourceWidth, sourceImg.getHeight(), null, 0, sourceWidth), 0,
            sourceWidth);/*from w  w w .  java  2s.  co  m*/
}

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

public static void copyRGB(BufferedImage sourceImg, int sourceStartX, int sourceStartY, int sourceWidth,
        int sourceHeight, BufferedImage targetImg, int targetStartX, int targetStartY) {
    targetImg.setRGB(targetStartX, targetStartY, sourceWidth, sourceHeight,
            sourceImg.getRGB(sourceStartX, sourceStartY, sourceWidth, sourceHeight, null, 0, sourceWidth), 0,
            sourceWidth);/* ww w  .  j  a  v a2  s  .c  o  m*/
}

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From source file:TextureByReference.java

public static void flipImage(BufferedImage bImage) {
    int width = bImage.getWidth();
    int height = bImage.getHeight();
    int[] rgbArray = new int[width * height];
    bImage.getRGB(0, 0, width, height, rgbArray, 0, width);
    int[] tempArray = new int[width * height];
    int y2 = 0;/*w w w. j av  a 2  s .  c om*/
    for (int y = height - 1; y >= 0; y--) {
        for (int x = 0; x < width; x++) {
            tempArray[y2 * width + x] = rgbArray[y * width + x];
        }
        y2++;
    }
    bImage.setRGB(0, 0, width, height, tempArray, 0, width);
}

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From source file:ImageOpByRomain.java

/**
 * <p>/*w ww.  j av a  2 s .  co m*/
 * Writes a rectangular area of pixels in the destination
 * <code>BufferedImage</code>. Calling this method on an image of type
 * different from <code>BufferedImage.TYPE_INT_ARGB</code> and
 * <code>BufferedImage.TYPE_INT_RGB</code> will unmanage the image.
 * </p>
 * 
 * @param img
 *            the destination image
 * @param x
 *            the x location at which to start storing pixels
 * @param y
 *            the y location at which to start storing pixels
 * @param w
 *            the width of the rectangle of pixels to store
 * @param h
 *            the height of the rectangle of pixels to store
 * @param pixels
 *            an array of pixels, stored as integers
 * @throws IllegalArgumentException
 *             is <code>pixels</code> is non-null and of length &lt; w*h
 */
public static void setPixels(BufferedImage img, int x, int y, int w, int h, int[] pixels) {
    if (pixels == null || w == 0 || h == 0) {
        return;
    } else if (pixels.length < w * h) {
        throw new IllegalArgumentException("pixels array must have a length" + " >= w*h");
    }

    int imageType = img.getType();
    if (imageType == BufferedImage.TYPE_INT_ARGB || imageType == BufferedImage.TYPE_INT_RGB) {
        WritableRaster raster = img.getRaster();
        raster.setDataElements(x, y, w, h, pixels);
    } else {
        // Unmanages the image
        img.setRGB(x, y, w, h, pixels, 0, w);
    }
}

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From source file:org.opencastproject.composer.gstreamer.engine.GStreamerEncoderEngine.java

/**
 * Creates image out of gstreamer buffer. Buffer should have following properties: 32 bits/pixel and color depth of 24
 * bits. Output image format is chosen based on the output file name. If width or height are equal or less than 0,
 * original image size is retained.//from   w ww .  java2 s  . c om
 * 
 * @param buffer
 *          gstreamer buffer from which image will be constructed
 * @param width
 *          width of the new image
 * @param height
 *          height of the new image
 * @param output
 *          output file name
 * @throws IOException
 *           if writing image fails
 */
private void createImageOutOfBuffer(Buffer buffer, int width, int height, String output) throws IOException {
    // get buffer information
    Structure structure = buffer.getCaps().getStructure(0);
    int origHeight = structure.getInteger("height");
    int origWidth = structure.getInteger("width");

    // create original image
    IntBuffer intBuf = buffer.getByteBuffer().asIntBuffer();
    int[] imageData = new int[intBuf.capacity()];
    intBuf.get(imageData, 0, imageData.length);
    BufferedImage originalImage = new BufferedImage(origWidth, origHeight, BufferedImage.TYPE_INT_RGB);
    originalImage.setRGB(0, 0, origWidth, origHeight, imageData, 0, origWidth);

    BufferedImage image;
    if (height <= 0 || width <= 0) {
        logger.info("Retaining image of original size {}x{}", origWidth, origHeight);
        image = originalImage;
    } else {
        logger.info("Resizing image from {}x{} to {}x{}",
                new Object[] { origWidth, origHeight, width, height });
        image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
        Graphics2D graphics = image.createGraphics();
        graphics.setRenderingHints(imageRenderingHints);
        graphics.drawImage(originalImage, 0, 0, width, height, null);
        graphics.dispose();
    }

    // write image
    File outputFile = new File(output);
    ImageIO.write(image, FilenameUtils.getExtension(output), outputFile);
}

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From source file:org.pentaho.reporting.libraries.base.util.ResourceBundleSupport.java

/**
 * Creates a transparent image.  These can be used for aligning menu items.
 *
 * @param width  the width.// w w  w .j ava  2  s  . c o  m
 * @param height the height.
 * @return the created transparent image.
 */
private BufferedImage createTransparentImage(final int width, final int height) {
    final BufferedImage img = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
    final int[] data = img.getRGB(0, 0, width, height, null, 0, width);
    img.setRGB(0, 0, width, height, data, 0, width);
    return img;
}

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From source file:com.neophob.sematrix.core.glue.Collector.java

private void saveImage(Visual v, String filename, int[] data) {
    try {//from w  w  w.  j  a v  a 2 s  .  c o m
        int w = v.getGenerator1().getInternalBufferXSize();
        int h = v.getGenerator1().getInternalBufferYSize();
        BufferedImage bi = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
        bi.setRGB(0, 0, w, h, data, 0, w);
        File outputfile = new File(filename);
        ImageIO.write(bi, "png", outputfile);
    } catch (IOException e) {
        LOG.log(Level.SEVERE, "Failed to save screenshot " + filename, e);
    }
}

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From source file:com.googlecode.libautocaptcha.tools.VodafoneItalyTool.java

private java.awt.Image convertImage(net.sourceforge.javaocr.Image image) {
    final int W = image.getWidth();
    final int H = image.getHeight();
    BufferedImage result = new BufferedImage(W, H, BufferedImage.TYPE_INT_RGB);
    AwtImage temp = new AwtImage(result);
    image.copy(temp);//w  w  w. j  a  v  a2s . c  o m
    result.setRGB(0, 0, W, H, temp.pixels, 0, W);
    return result;
}

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From source file:RasterTest.java

public void updateRenderRaster() {
    // takes the Depth Raster and updates the Render Raster
    // containing the image based on the depth values stored in
    // the Depth Raster.

    // create a temporary BufferedImage for the depth components
    BufferedImage tempBufferedImage = new BufferedImage(m_DepthRaster.getDepthComponent().getWidth(),
            m_DepthRaster.getDepthComponent().getHeight(), BufferedImage.TYPE_INT_RGB);

    // allocate an array of ints to store the depth components from the
    // Depth Raster
    if (m_DepthData == null)
        m_DepthData = new int[m_DepthRaster.getDepthComponent().getWidth()
                * m_DepthRaster.getDepthComponent().getHeight()];

    // copy the depth values from the Raster into the int array
    ((DepthComponentInt) m_DepthRaster.getDepthComponent()).getDepthData(m_DepthData);

    // assign the depth values to the temporary image, the integer depths
    // will be//from   ww  w .j ava2s. c  om
    // interpreted as integer rgb values.
    tempBufferedImage.setRGB(0, 0, m_DepthRaster.getDepthComponent().getWidth(),
            m_DepthRaster.getDepthComponent().getHeight(), m_DepthData, 0,
            m_DepthRaster.getDepthComponent().getWidth());

    // get a graphics device for the image
    Graphics g = tempBufferedImage.getGraphics();
    Dimension size = new Dimension();
    m_RenderRaster.getSize(size);

    // because the Depth Raster is a different size to the Render Raster,
    // i.e. the Depth Raster is canvas width by canvas height and the Render
    // Raster
    // is of aritrary size, we rescale the image here.
    g.drawImage(tempBufferedImage, 0, 0, (int) size.getWidth(), (int) size.getHeight(), null);

    // finally, assign the scaled image to the RenderRaster
    m_RenderRaster.setImage(new ImageComponent2D(BufferedImage.TYPE_INT_RGB, tempBufferedImage));
}

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