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

Example 21 with SampleModel

use of java.awt.image.SampleModel in project jdk8u_jdk by JetBrains.

the class RenderableImageProducer method run.

/**
     * The runnable method for this class. This will produce an image using
     * the current RenderableImage and RenderContext and send it to all the
     * ImageConsumer currently registered with this class.
     */
public void run() {
    // First get the rendered image
    RenderedImage rdrdImage;
    if (rc != null) {
        rdrdImage = rdblImage.createRendering(rc);
    } else {
        rdrdImage = rdblImage.createDefaultRendering();
    }
    // And its ColorModel
    ColorModel colorModel = rdrdImage.getColorModel();
    Raster raster = rdrdImage.getData();
    SampleModel sampleModel = raster.getSampleModel();
    DataBuffer dataBuffer = raster.getDataBuffer();
    if (colorModel == null) {
        colorModel = ColorModel.getRGBdefault();
    }
    int minX = raster.getMinX();
    int minY = raster.getMinY();
    int width = raster.getWidth();
    int height = raster.getHeight();
    Enumeration icList;
    ImageConsumer ic;
    // Set up the ImageConsumers
    icList = ics.elements();
    while (icList.hasMoreElements()) {
        ic = (ImageConsumer) icList.nextElement();
        ic.setDimensions(width, height);
        ic.setHints(ImageConsumer.TOPDOWNLEFTRIGHT | ImageConsumer.COMPLETESCANLINES | ImageConsumer.SINGLEPASS | ImageConsumer.SINGLEFRAME);
    }
    // Get RGB pixels from the raster scanline by scanline and
    // send to consumers.
    int[] pix = new int[width];
    int i, j;
    int numBands = sampleModel.getNumBands();
    int[] tmpPixel = new int[numBands];
    for (j = 0; j < height; j++) {
        for (i = 0; i < width; i++) {
            sampleModel.getPixel(i, j, tmpPixel, dataBuffer);
            pix[i] = colorModel.getDataElement(tmpPixel, 0);
        }
        // Now send the scanline to the Consumers
        icList = ics.elements();
        while (icList.hasMoreElements()) {
            ic = (ImageConsumer) icList.nextElement();
            ic.setPixels(0, j, width, 1, colorModel, pix, 0, width);
        }
    }
    // Now tell the consumers we're done.
    icList = ics.elements();
    while (icList.hasMoreElements()) {
        ic = (ImageConsumer) icList.nextElement();
        ic.imageComplete(ImageConsumer.STATICIMAGEDONE);
    }
}

Example 22 with SampleModel

use of java.awt.image.SampleModel in project jdk8u_jdk by JetBrains.

the class LCMSTransform method colorConvert.

public void colorConvert(Raster src, WritableRaster dst, float[] srcMinVal, float[] srcMaxVal, float[] dstMinVal, float[] dstMaxVal) {
    LCMSImageLayout srcIL, dstIL;
    // Can't pass src and dst directly to CMM, so process per scanline
    SampleModel srcSM = src.getSampleModel();
    SampleModel dstSM = dst.getSampleModel();
    int srcTransferType = src.getTransferType();
    int dstTransferType = dst.getTransferType();
    boolean srcIsFloat, dstIsFloat;
    if ((srcTransferType == DataBuffer.TYPE_FLOAT) || (srcTransferType == DataBuffer.TYPE_DOUBLE)) {
        srcIsFloat = true;
    } else {
        srcIsFloat = false;
    }
    if ((dstTransferType == DataBuffer.TYPE_FLOAT) || (dstTransferType == DataBuffer.TYPE_DOUBLE)) {
        dstIsFloat = true;
    } else {
        dstIsFloat = false;
    }
    int w = src.getWidth();
    int h = src.getHeight();
    int srcNumBands = src.getNumBands();
    int dstNumBands = dst.getNumBands();
    float[] srcScaleFactor = new float[srcNumBands];
    float[] dstScaleFactor = new float[dstNumBands];
    float[] srcUseMinVal = new float[srcNumBands];
    float[] dstUseMinVal = new float[dstNumBands];
    for (int i = 0; i < srcNumBands; i++) {
        if (srcIsFloat) {
            srcScaleFactor[i] = 65535.0f / (srcMaxVal[i] - srcMinVal[i]);
            srcUseMinVal[i] = srcMinVal[i];
        } else {
            if (srcTransferType == DataBuffer.TYPE_SHORT) {
                srcScaleFactor[i] = 65535.0f / 32767.0f;
            } else {
                srcScaleFactor[i] = 65535.0f / ((float) ((1 << srcSM.getSampleSize(i)) - 1));
            }
            srcUseMinVal[i] = 0.0f;
        }
    }
    for (int i = 0; i < dstNumBands; i++) {
        if (dstIsFloat) {
            dstScaleFactor[i] = (dstMaxVal[i] - dstMinVal[i]) / 65535.0f;
            dstUseMinVal[i] = dstMinVal[i];
        } else {
            if (dstTransferType == DataBuffer.TYPE_SHORT) {
                dstScaleFactor[i] = 32767.0f / 65535.0f;
            } else {
                dstScaleFactor[i] = ((float) ((1 << dstSM.getSampleSize(i)) - 1)) / 65535.0f;
            }
            dstUseMinVal[i] = 0.0f;
        }
    }
    int ys = src.getMinY();
    int yd = dst.getMinY();
    int xs, xd;
    float sample;
    short[] srcLine = new short[w * srcNumBands];
    short[] dstLine = new short[w * dstNumBands];
    int idx;
    try {
        srcIL = new LCMSImageLayout(srcLine, srcLine.length / getNumInComponents(), LCMSImageLayout.CHANNELS_SH(getNumInComponents()) | LCMSImageLayout.BYTES_SH(2), getNumInComponents() * 2);
        dstIL = new LCMSImageLayout(dstLine, dstLine.length / getNumOutComponents(), LCMSImageLayout.CHANNELS_SH(getNumOutComponents()) | LCMSImageLayout.BYTES_SH(2), getNumOutComponents() * 2);
    } catch (ImageLayoutException e) {
        throw new CMMException("Unable to convert rasters");
    }
    // process each scanline
    for (int y = 0; y < h; y++, ys++, yd++) {
        // get src scanline
        xs = src.getMinX();
        idx = 0;
        for (int x = 0; x < w; x++, xs++) {
            for (int i = 0; i < srcNumBands; i++) {
                sample = src.getSampleFloat(xs, ys, i);
                srcLine[idx++] = (short) ((sample - srcUseMinVal[i]) * srcScaleFactor[i] + 0.5f);
            }
        }
        // color convert srcLine to dstLine
        doTransform(srcIL, dstIL);
        // store dst scanline
        xd = dst.getMinX();
        idx = 0;
        for (int x = 0; x < w; x++, xd++) {
            for (int i = 0; i < dstNumBands; i++) {
                sample = ((dstLine[idx++] & 0xffff) * dstScaleFactor[i]) + dstUseMinVal[i];
                dst.setSample(xd, yd, i, sample);
            }
        }
    }
}

Example 23 with SampleModel

use of java.awt.image.SampleModel in project jdk8u_jdk by JetBrains.

the class GetDataElementsTest method main.

public static void main(String[] args) {
    SampleModel sm = new ComponentSampleModel(dataType, width, height, 4, width * 4, new int[] { 0, 1, 2, 3 });
    DataBuffer db = sm.createDataBuffer();
    Object o = null;
    boolean testPassed = false;
    try {
        o = sm.getDataElements(Integer.MAX_VALUE, 0, 1, 1, o, db);
    } catch (ArrayIndexOutOfBoundsException e) {
        System.out.println(e.getMessage());
        testPassed = true;
    }
    if (!testPassed) {
        throw new RuntimeException("Excpected excprion was not thrown.");
    }
}

Example 24 with SampleModel

use of java.awt.image.SampleModel in project jdk8u_jdk by JetBrains.

the class GetSamplesTest method doTest.

private static void doTest(Class<? extends SampleModel> c) {
    System.out.println("Test for: " + c.getName());
    SampleModel sm = createSampleModel(c);
    DataBuffer db = sm.createDataBuffer();
    int[] iArray = new int[width * height + numBands];
    float[] fArray = new float[width * height + numBands];
    double[] dArray = new double[width * height + numBands];
    boolean iOk = false;
    boolean fOk = false;
    boolean dOk = false;
    try {
        sm.getSamples(Integer.MAX_VALUE, 0, 1, 1, 0, iArray, db);
        sm.setSamples(Integer.MAX_VALUE, 0, 1, 1, 0, iArray, db);
    } catch (ArrayIndexOutOfBoundsException e) {
        System.out.println(e.getMessage());
        iOk = true;
    }
    try {
        sm.getSamples(Integer.MAX_VALUE, 0, 1, 1, 0, fArray, db);
        sm.setSamples(Integer.MAX_VALUE, 0, 1, 1, 0, fArray, db);
    } catch (ArrayIndexOutOfBoundsException e) {
        System.out.println(e.getMessage());
        fOk = true;
    }
    try {
        sm.getSamples(0, Integer.MAX_VALUE, 1, 1, 0, dArray, db);
        sm.setSamples(0, Integer.MAX_VALUE, 1, 1, 0, dArray, db);
    } catch (ArrayIndexOutOfBoundsException e) {
        System.out.println(e.getMessage());
        dOk = true;
    }
    if (!iOk || !fOk || !dOk) {
        throw new RuntimeException("Test for " + c.getSimpleName() + " failed: iOk=" + iOk + "; fOk=" + fOk + "; dOk=" + dOk);
    }
}

Example 25 with SampleModel

use of java.awt.image.SampleModel in project jdk8u_jdk by JetBrains.

the class ByteBandedRaster method createWritableChild.

/**
     * Creates a Writable subraster given a region of the raster.  The x and y
     * coordinates specify the horizontal and vertical offsets
     * from the upper-left corner of this raster to the upper-left corner
     * of the subraster.  A subset of the bands of the parent Raster may
     * be specified.  If this is null, then all the bands are present in the
     * subRaster. A translation to the subRaster may also be specified.
     * Note that the subraster will reference the same
     * DataBuffers as the parent raster, but using different offsets.
     * @param x               X offset.
     * @param y               Y offset.
     * @param width           Width of the subraster.
     * @param height          Height of the subraster.
     * @param x0              Translated X origin of the subraster.
     * @param y0              Translated Y origin of the subraster.
     * @param bandList        Array of band indices.
     * @exception RasterFormatException
     *            if the specified bounding box is outside of the parent raster.
     */
public WritableRaster createWritableChild(int x, int y, int width, int height, int x0, int y0, int[] bandList) {
    if (x < this.minX) {
        throw new RasterFormatException("x lies outside raster");
    }
    if (y < this.minY) {
        throw new RasterFormatException("y lies outside raster");
    }
    if ((x + width < x) || (x + width > this.width + this.minX)) {
        throw new RasterFormatException("(x + width) is outside raster");
    }
    if ((y + height < y) || (y + height > this.height + this.minY)) {
        throw new RasterFormatException("(y + height) is outside raster");
    }
    SampleModel sm;
    if (bandList != null)
        sm = sampleModel.createSubsetSampleModel(bandList);
    else
        sm = sampleModel;
    int deltaX = x0 - x;
    int deltaY = y0 - y;
    return new ByteBandedRaster(sm, dataBuffer, new Rectangle(x0, y0, width, height), new Point(sampleModelTranslateX + deltaX, sampleModelTranslateY + deltaY), this);
}