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

Example 6 with DataBuffer

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

the class D3DSurfaceData method getRaster.

public synchronized Raster getRaster(int x, int y, int w, int h) {
    if (wrn == null) {
        DirectColorModel dcm = (DirectColorModel) getColorModel();
        SampleModel smHw;
        int dataType = 0;
        int scanStride = width;
        if (dcm.getPixelSize() > 16) {
            dataType = DataBuffer.TYPE_INT;
        } else {
            // 15, 16
            dataType = DataBuffer.TYPE_USHORT;
        }
        // note that we have to use the surface width and height here,
        // not the passed w,h
        smHw = new SinglePixelPackedSampleModel(dataType, width, height, scanStride, dcm.getMasks());
        DataBuffer dbn = new D3DDataBufferNative(this, dataType, width, height);
        wrn = WritableRasterNative.createNativeRaster(smHw, dbn);
    }
    return wrn;
}

Example 7 with DataBuffer

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

the class ImageUtil method getUnpackedBinaryData.

/**
     * Returns the binary data unpacked into an array of bytes.
     * The line stride will be the width of the <code>Raster</code>.
     *
     * @throws IllegalArgumentException if <code>isBinary()</code> returns
     * <code>false</code> with the <code>SampleModel</code> of the
     * supplied <code>Raster</code> as argument.
     */
public static byte[] getUnpackedBinaryData(Raster raster, Rectangle rect) {
    SampleModel sm = raster.getSampleModel();
    if (!isBinary(sm)) {
        throw new IllegalArgumentException(I18N.getString("ImageUtil0"));
    }
    int rectX = rect.x;
    int rectY = rect.y;
    int rectWidth = rect.width;
    int rectHeight = rect.height;
    DataBuffer dataBuffer = raster.getDataBuffer();
    int dx = rectX - raster.getSampleModelTranslateX();
    int dy = rectY - raster.getSampleModelTranslateY();
    MultiPixelPackedSampleModel mpp = (MultiPixelPackedSampleModel) sm;
    int lineStride = mpp.getScanlineStride();
    int eltOffset = dataBuffer.getOffset() + mpp.getOffset(dx, dy);
    int bitOffset = mpp.getBitOffset(dx);
    byte[] bdata = new byte[rectWidth * rectHeight];
    int maxY = rectY + rectHeight;
    int maxX = rectX + rectWidth;
    int k = 0;
    if (dataBuffer instanceof DataBufferByte) {
        byte[] data = ((DataBufferByte) dataBuffer).getData();
        for (int y = rectY; y < maxY; y++) {
            int bOffset = eltOffset * 8 + bitOffset;
            for (int x = rectX; x < maxX; x++) {
                byte b = data[bOffset / 8];
                bdata[k++] = (byte) ((b >>> (7 - bOffset & 7)) & 0x0000001);
                bOffset++;
            }
            eltOffset += lineStride;
        }
    } else if (dataBuffer instanceof DataBufferShort || dataBuffer instanceof DataBufferUShort) {
        short[] data = dataBuffer instanceof DataBufferShort ? ((DataBufferShort) dataBuffer).getData() : ((DataBufferUShort) dataBuffer).getData();
        for (int y = rectY; y < maxY; y++) {
            int bOffset = eltOffset * 16 + bitOffset;
            for (int x = rectX; x < maxX; x++) {
                short s = data[bOffset / 16];
                bdata[k++] = (byte) ((s >>> (15 - bOffset % 16)) & 0x0000001);
                bOffset++;
            }
            eltOffset += lineStride;
        }
    } else if (dataBuffer instanceof DataBufferInt) {
        int[] data = ((DataBufferInt) dataBuffer).getData();
        for (int y = rectY; y < maxY; y++) {
            int bOffset = eltOffset * 32 + bitOffset;
            for (int x = rectX; x < maxX; x++) {
                int i = data[bOffset / 32];
                bdata[k++] = (byte) ((i >>> (31 - bOffset % 32)) & 0x0000001);
                bOffset++;
            }
            eltOffset += lineStride;
        }
    }
    return bdata;
}

Example 8 with DataBuffer

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

the class PathGraphics method hasTransparentPixels.

/**
     * Return true if the BufferedImage argument has non-opaque
     * bits in it and therefore can not be directly rendered by
     * GDI. Return false if the image is opaque. If this function
     * can not tell for sure whether the image has transparent
     * pixels then it assumes that it does.
     */
protected boolean hasTransparentPixels(BufferedImage bufferedImage) {
    ColorModel colorModel = bufferedImage.getColorModel();
    boolean hasTransparency = colorModel == null ? true : colorModel.getTransparency() != ColorModel.OPAQUE;
    /*
         * For the default INT ARGB check the image to see if any pixels are
         * really transparent. If there are no transparent pixels then the
         * transparency of the color model can be ignored.
         * We assume that IndexColorModel images have already been
         * checked for transparency and will be OPAQUE unless they actually
         * have transparent pixels present.
         */
    if (hasTransparency && bufferedImage != null) {
        if (bufferedImage.getType() == BufferedImage.TYPE_INT_ARGB || bufferedImage.getType() == BufferedImage.TYPE_INT_ARGB_PRE) {
            DataBuffer db = bufferedImage.getRaster().getDataBuffer();
            SampleModel sm = bufferedImage.getRaster().getSampleModel();
            if (db instanceof DataBufferInt && sm instanceof SinglePixelPackedSampleModel) {
                SinglePixelPackedSampleModel psm = (SinglePixelPackedSampleModel) sm;
                // Stealing the data array for reading only...
                int[] int_data = SunWritableRaster.stealData((DataBufferInt) db, 0);
                int x = bufferedImage.getMinX();
                int y = bufferedImage.getMinY();
                int w = bufferedImage.getWidth();
                int h = bufferedImage.getHeight();
                int stride = psm.getScanlineStride();
                boolean hastranspixel = false;
                for (int j = y; j < y + h; j++) {
                    int yoff = j * stride;
                    for (int i = x; i < x + w; i++) {
                        if ((int_data[yoff + i] & 0xff000000) != 0xff000000) {
                            hastranspixel = true;
                            break;
                        }
                    }
                    if (hastranspixel) {
                        break;
                    }
                }
                if (hastranspixel == false) {
                    hasTransparency = false;
                }
            }
        }
    }
    return hasTransparency;
}

Example 9 with DataBuffer

use of java.awt.image.DataBuffer 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 10 with DataBuffer

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

the class UnmanagedDrawImagePerformance method makeUnmanagedBI.

private static BufferedImage makeUnmanagedBI(final int type) {
    final BufferedImage img = new BufferedImage(SIZE, SIZE, type);
    final DataBuffer db = img.getRaster().getDataBuffer();
    if (db instanceof DataBufferInt) {
        ((DataBufferInt) db).getData();
    } else if (db instanceof DataBufferShort) {
        ((DataBufferShort) db).getData();
    } else if (db instanceof DataBufferByte) {
        ((DataBufferByte) db).getData();
    } else {
        try {
            img.setAccelerationPriority(0.0f);
        } catch (final Throwable ignored) {
        }
    }
    return img;
}