Example usage for javafx.scene.image WritableImage getPixelWriter

List of usage examples for javafx.scene.image WritableImage getPixelWriter

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Introduction

In this page you can find the example usage for javafx.scene.image WritableImage getPixelWriter.

Prototype

public final PixelWriter getPixelWriter()

Source Link

Document

This method returns a PixelWriter that provides access to write the pixels of the image.

Usage

From source file:net.rptools.tokentool.util.ImageUtil.java

public static Image resizeCanvas(Image imageSource, int newWidth, int newHeight, int offsetX, int offsetY) {
    int sourceWidth = (int) imageSource.getWidth();
    int sourceHeight = (int) imageSource.getHeight();

    // No work needed here...
    if (sourceWidth == newWidth && sourceHeight == newHeight)
        return imageSource;

    WritableImage outputImage = new WritableImage(newWidth, newHeight);
    PixelReader pixelReader = imageSource.getPixelReader();
    PixelWriter pixelWriter = outputImage.getPixelWriter();
    WritablePixelFormat<IntBuffer> format = WritablePixelFormat.getIntArgbInstance();

    int[] buffer = new int[sourceWidth * sourceHeight];
    pixelReader.getPixels(0, 0, sourceWidth, sourceHeight, format, buffer, 0, sourceWidth);
    pixelWriter.setPixels(offsetX, offsetY, sourceWidth, sourceHeight, format, buffer, 0, sourceWidth);

    return outputImage;
}

From source file:net.rptools.tokentool.util.ImageUtil.java

private static Image processMagenta(Image inputImage, int colorThreshold, boolean overlayWanted) {
    int imageWidth = (int) inputImage.getWidth();
    int imageHeight = (int) inputImage.getHeight();

    WritableImage outputImage = new WritableImage(imageWidth, imageHeight);
    PixelReader pixelReader = inputImage.getPixelReader();
    PixelWriter pixelWriter = outputImage.getPixelWriter();

    for (int readY = 0; readY < imageHeight; readY++) {
        for (int readX = 0; readX < imageWidth; readX++) {
            Color pixelColor = pixelReader.getColor(readX, readY);

            if (isMagenta(pixelColor, COLOR_THRESHOLD) == overlayWanted)
                pixelWriter.setColor(readX, readY, Color.TRANSPARENT);
            else/* w  w  w .jav a 2  s.co m*/
                pixelWriter.setColor(readX, readY, pixelColor);

        }
    }

    return outputImage;
}

From source file:net.rptools.tokentool.util.ImageUtil.java

private static Image clipImageWithMask(Image imageSource, Image imageMask) {
    int imageWidth = (int) imageMask.getWidth();
    int imageHeight = (int) imageMask.getHeight();

    WritableImage outputImage = new WritableImage(imageWidth, imageHeight);
    PixelReader pixelReader_Mask = imageMask.getPixelReader();
    PixelReader pixelReader_Source = imageSource.getPixelReader();
    PixelWriter pixelWriter = outputImage.getPixelWriter();

    for (int readY = 0; readY < imageHeight; readY++) {
        for (int readX = 0; readX < imageWidth; readX++) {
            Color pixelColor = pixelReader_Mask.getColor(readX, readY);

            if (pixelColor.equals(Color.TRANSPARENT))
                pixelWriter.setColor(readX, readY, pixelReader_Source.getColor(readX, readY));
        }//w w w  .  ja v a 2s .co m
    }

    return outputImage;
}

From source file:Main.java

/**
 * Snapshots the specified {@link BufferedImage} and stores a copy of
 * its pixels into a JavaFX {@link Image} object, creating a new
 * object if needed.//from   w ww  .jav  a  2 s. co  m
 * The returned {@code Image} will be a static snapshot of the state
 * of the pixels in the {@code BufferedImage} at the time the method
 * completes.  Further changes to the {@code BufferedImage} will not
 * be reflected in the {@code Image}.
 * <p>
 * The optional JavaFX {@link WritableImage} parameter may be reused
 * to store the copy of the pixels.
 * A new {@code Image} will be created if the supplied object is null,
 * is too small or of a type which the image pixels cannot be easily
 * converted into.
 * 
 * @param bimg the {@code BufferedImage} object to be converted
 * @param wimg an optional {@code WritableImage} object that can be
 *        used to store the returned pixel data
 * @return an {@code Image} object representing a snapshot of the
 *         current pixels in the {@code BufferedImage}.
 * @since JavaFX 2.2
 */
public static WritableImage toFXImage(BufferedImage bimg, WritableImage wimg) {
    int bw = bimg.getWidth();
    int bh = bimg.getHeight();
    switch (bimg.getType()) {
    case BufferedImage.TYPE_INT_ARGB:
    case BufferedImage.TYPE_INT_ARGB_PRE:
        break;
    default:
        BufferedImage converted = new BufferedImage(bw, bh, BufferedImage.TYPE_INT_ARGB_PRE);
        Graphics2D g2d = converted.createGraphics();
        g2d.drawImage(bimg, 0, 0, null);
        g2d.dispose();
        bimg = converted;
        break;
    }
    // assert(bimg.getType == TYPE_INT_ARGB[_PRE]);
    if (wimg != null) {
        int iw = (int) wimg.getWidth();
        int ih = (int) wimg.getHeight();
        if (iw < bw || ih < bh) {
            wimg = null;
        } else if (bw < iw || bh < ih) {
            int empty[] = new int[iw];
            PixelWriter pw = wimg.getPixelWriter();
            PixelFormat<IntBuffer> pf = PixelFormat.getIntArgbPreInstance();
            if (bw < iw) {
                pw.setPixels(bw, 0, iw - bw, bh, pf, empty, 0, 0);
            }
            if (bh < ih) {
                pw.setPixels(0, bh, iw, ih - bh, pf, empty, 0, 0);
            }
        }
    }
    if (wimg == null) {
        wimg = new WritableImage(bw, bh);
    }
    PixelWriter pw = wimg.getPixelWriter();
    IntegerComponentRaster icr = (IntegerComponentRaster) bimg.getRaster();
    int data[] = icr.getDataStorage();
    int offset = icr.getDataOffset(0);
    int scan = icr.getScanlineStride();
    PixelFormat<IntBuffer> pf = (bimg.isAlphaPremultiplied() ? PixelFormat.getIntArgbPreInstance()
            : PixelFormat.getIntArgbInstance());
    pw.setPixels(0, 0, bw, bh, pf, data, offset, scan);
    return wimg;
}

From source file:ijfx.core.image.DefaultDatasetUtilsService.java

public <T extends RealType<T>> Image datasetToImage(RandomAccessibleInterval<T> dataset, ColorTable colorTable,
        double min, double max, WritableImage image) {

    //int width = (int) dataset.dimension(0);
    //int height = (int) dataset.dimension(1);
    //WritableImage image = new WritableImage(width, height);
    RealLUTConverter<T> converter = new RealLUTConverter<T>(min, max, colorTable);
    ARGBType argb = new ARGBType();
    RandomAccess<T> ra = dataset.randomAccess();

    Cursor<T> cursor = Views.iterable(dataset).cursor();
    cursor.reset();//from  w  ww.  j a  va2 s .  c o  m
    int[] position = new int[dataset.numDimensions()];
    while (cursor.hasNext()) {
        cursor.fwd();
        cursor.localize(position);
        converter.convert(cursor.get(), argb);
        image.getPixelWriter().setArgb(position[0], position[1], argb.get());
    }

    return image;
}

From source file:editeurpanovisu.EditeurPanovisu.java

/**
 *
 * @param imgRect/*  w w  w  .  j a v a 2  s.c om*/
 * @param iRapport
 * @return image transforme Mercator
 */
private static Image imgTransformationImage(Image imgRect, int iRapport) {
    int iLargeur = (int) imgRect.getWidth() / iRapport;
    int iHauteur = iLargeur / 2 / iRapport;
    WritableImage imgMercator = new WritableImage(iLargeur, iHauteur);
    PixelReader prRect = imgRect.getPixelReader();
    PixelWriter pwMercator = imgMercator.getPixelWriter();
    for (int i = 0; i < iLargeur; i++) {
        for (int j = 0; j < iHauteur; j++) {
            double phi = Math.asin(2.d * (iHauteur / 2.d - j) / iHauteur);
            int y2 = (int) (iHauteur * iRapport * (0.5d - phi / Math.PI));
            if (y2 >= iHauteur * iRapport) {
                y2 = iHauteur * iRapport - 1;
            }
            Color clPixel = prRect.getColor(i * iRapport, y2 * iRapport);
            pwMercator.setColor(i, j, clPixel);
        }
    }
    return imgMercator;
}