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

Example 6 with SinglePixelPackedSampleModel

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

the class BMPImageReader method read32Bit.

private void read32Bit(int[] idata) throws IOException {
    if (noTransform) {
        int j = isBottomUp ? (height - 1) * width : 0;
        for (int i = 0; i < height; i++) {
            if (abortRequested()) {
                break;
            }
            iis.readFully(idata, j, width);
            j += isBottomUp ? -width : width;
            processImageUpdate(bi, 0, i, destinationRegion.width, 1, 1, 1, new int[] { 0 });
            processImageProgress(100.0F * i / destinationRegion.height);
        }
    } else {
        int[] buf = new int[width];
        int lineStride = ((SinglePixelPackedSampleModel) sampleModel).getScanlineStride();
        if (isBottomUp) {
            int lastLine = sourceRegion.y + (destinationRegion.height - 1) * scaleY;
            iis.skipBytes(width * (height - 1 - lastLine) << 2);
        } else
            iis.skipBytes(width * sourceRegion.y << 2);
        int skipLength = width * (scaleY - 1) << 2;
        int k = destinationRegion.y * lineStride;
        if (isBottomUp)
            k += (destinationRegion.height - 1) * lineStride;
        k += destinationRegion.x;
        for (int j = 0, y = sourceRegion.y; j < destinationRegion.height; j++, y += scaleY) {
            if (abortRequested())
                break;
            iis.readFully(buf, 0, width);
            for (int i = 0, m = sourceRegion.x; i < destinationRegion.width; i++, m += scaleX) {
                //get the bit and assign to the data buffer of the raster
                idata[k + i] = buf[m];
            }
            k += isBottomUp ? -lineStride : lineStride;
            iis.skipBytes(skipLength);
            processImageUpdate(bi, 0, j, destinationRegion.width, 1, 1, 1, new int[] { 0 });
            processImageProgress(100.0F * j / destinationRegion.height);
        }
    }
}

Example 7 with SinglePixelPackedSampleModel

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

the class BMPImageReader method read16Bit.

private void read16Bit(short[] sdata) throws IOException {
    // Padding bytes at the end of each scanline
    // width * bitsPerPixel should be divisible by 32
    int padding = width * 2 % 4;
    if (padding != 0)
        padding = 4 - padding;
    int lineLength = width + padding / 2;
    if (noTransform) {
        int j = isBottomUp ? (height - 1) * width : 0;
        for (int i = 0; i < height; i++) {
            if (abortRequested()) {
                break;
            }
            iis.readFully(sdata, j, width);
            iis.skipBytes(padding);
            j += isBottomUp ? -width : width;
            processImageUpdate(bi, 0, i, destinationRegion.width, 1, 1, 1, new int[] { 0 });
            processImageProgress(100.0F * i / destinationRegion.height);
        }
    } else {
        short[] buf = new short[lineLength];
        int lineStride = ((SinglePixelPackedSampleModel) sampleModel).getScanlineStride();
        if (isBottomUp) {
            int lastLine = sourceRegion.y + (destinationRegion.height - 1) * scaleY;
            iis.skipBytes(lineLength * (height - 1 - lastLine) << 1);
        } else
            iis.skipBytes(lineLength * sourceRegion.y << 1);
        int skipLength = lineLength * (scaleY - 1) << 1;
        int k = destinationRegion.y * lineStride;
        if (isBottomUp)
            k += (destinationRegion.height - 1) * lineStride;
        k += destinationRegion.x;
        for (int j = 0, y = sourceRegion.y; j < destinationRegion.height; j++, y += scaleY) {
            if (abortRequested())
                break;
            iis.readFully(buf, 0, lineLength);
            for (int i = 0, m = sourceRegion.x; i < destinationRegion.width; i++, m += scaleX) {
                //get the bit and assign to the data buffer of the raster
                sdata[k + i] = buf[m];
            }
            k += isBottomUp ? -lineStride : lineStride;
            iis.skipBytes(skipLength);
            processImageUpdate(bi, 0, j, destinationRegion.width, 1, 1, 1, new int[] { 0 });
            processImageProgress(100.0F * j / destinationRegion.height);
        }
    }
}

Example 8 with SinglePixelPackedSampleModel

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

the class MultipleGradientPaintContext method getRaster.

/**
     * {@inheritDoc}
     */
public final Raster getRaster(int x, int y, int w, int h) {
    // If working raster is big enough, reuse it. Otherwise,
    // build a large enough new one.
    Raster raster = saved;
    if (raster == null || raster.getWidth() < w || raster.getHeight() < h) {
        raster = getCachedRaster(model, w, h);
        saved = raster;
    }
    // Access raster internal int array. Because we use a DirectColorModel,
    // we know the DataBuffer is of type DataBufferInt and the SampleModel
    // is SinglePixelPackedSampleModel.
    // Adjust for initial offset in DataBuffer and also for the scanline
    // stride.
    // These calls make the DataBuffer non-acceleratable, but the
    // Raster is never Stable long enough to accelerate anyway...
    DataBufferInt rasterDB = (DataBufferInt) raster.getDataBuffer();
    int[] pixels = rasterDB.getData(0);
    int off = rasterDB.getOffset();
    int scanlineStride = ((SinglePixelPackedSampleModel) raster.getSampleModel()).getScanlineStride();
    int adjust = scanlineStride - w;
    // delegate to subclass
    fillRaster(pixels, off, adjust, x, y, w, h);
    return raster;
}

Example 9 with SinglePixelPackedSampleModel

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

use of java.awt.image.SinglePixelPackedSampleModel 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;
}