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

Example 21 with DataBufferByte

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

the class WBMPImageReader method read.

public BufferedImage read(int imageIndex, ImageReadParam param) throws IOException {
    if (iis == null) {
        throw new IllegalStateException(I18N.getString("WBMPImageReader1"));
    }
    checkIndex(imageIndex);
    clearAbortRequest();
    processImageStarted(imageIndex);
    if (param == null)
        param = getDefaultReadParam();
    //read header
    readHeader();
    Rectangle sourceRegion = new Rectangle(0, 0, 0, 0);
    Rectangle destinationRegion = new Rectangle(0, 0, 0, 0);
    computeRegions(param, this.width, this.height, param.getDestination(), sourceRegion, destinationRegion);
    int scaleX = param.getSourceXSubsampling();
    int scaleY = param.getSourceYSubsampling();
    int xOffset = param.getSubsamplingXOffset();
    int yOffset = param.getSubsamplingYOffset();
    // If the destination is provided, then use it.  Otherwise, create new one
    BufferedImage bi = param.getDestination();
    if (bi == null)
        bi = new BufferedImage(destinationRegion.x + destinationRegion.width, destinationRegion.y + destinationRegion.height, BufferedImage.TYPE_BYTE_BINARY);
    boolean noTransform = destinationRegion.equals(new Rectangle(0, 0, width, height)) && destinationRegion.equals(new Rectangle(0, 0, bi.getWidth(), bi.getHeight()));
    // Get the image data.
    WritableRaster tile = bi.getWritableTile(0, 0);
    // Get the SampleModel.
    MultiPixelPackedSampleModel sm = (MultiPixelPackedSampleModel) bi.getSampleModel();
    if (noTransform) {
        if (abortRequested()) {
            processReadAborted();
            return bi;
        }
        // If noTransform is necessary, read the data.
        iis.read(((DataBufferByte) tile.getDataBuffer()).getData(), 0, height * sm.getScanlineStride());
        processImageUpdate(bi, 0, 0, width, height, 1, 1, new int[] { 0 });
        processImageProgress(100.0F);
    } else {
        int len = (this.width + 7) / 8;
        byte[] buf = new byte[len];
        byte[] data = ((DataBufferByte) tile.getDataBuffer()).getData();
        int lineStride = sm.getScanlineStride();
        iis.skipBytes(len * sourceRegion.y);
        int skipLength = len * (scaleY - 1);
        // cache the values to avoid duplicated computation
        int[] srcOff = new int[destinationRegion.width];
        int[] destOff = new int[destinationRegion.width];
        int[] srcPos = new int[destinationRegion.width];
        int[] destPos = new int[destinationRegion.width];
        for (int i = destinationRegion.x, x = sourceRegion.x, j = 0; i < destinationRegion.x + destinationRegion.width; i++, j++, x += scaleX) {
            srcPos[j] = x >> 3;
            srcOff[j] = 7 - (x & 7);
            destPos[j] = i >> 3;
            destOff[j] = 7 - (i & 7);
        }
        for (int j = 0, y = sourceRegion.y, k = destinationRegion.y * lineStride; j < destinationRegion.height; j++, y += scaleY) {
            if (abortRequested())
                break;
            iis.read(buf, 0, len);
            for (int i = 0; i < destinationRegion.width; i++) {
                //get the bit and assign to the data buffer of the raster
                int v = (buf[srcPos[i]] >> srcOff[i]) & 1;
                data[k + destPos[i]] |= v << destOff[i];
            }
            k += lineStride;
            iis.skipBytes(skipLength);
            processImageUpdate(bi, 0, j, destinationRegion.width, 1, 1, 1, new int[] { 0 });
            processImageProgress(100.0F * j / destinationRegion.height);
        }
    }
    if (abortRequested())
        processReadAborted();
    else
        processImageComplete();
    return bi;
}

Example 22 with DataBufferByte

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

the class WBMPImageWriter method write.

public void write(IIOMetadata streamMetadata, IIOImage image, ImageWriteParam param) throws IOException {
    if (stream == null) {
        throw new IllegalStateException(I18N.getString("WBMPImageWriter3"));
    }
    if (image == null) {
        throw new IllegalArgumentException(I18N.getString("WBMPImageWriter4"));
    }
    clearAbortRequest();
    processImageStarted(0);
    if (param == null)
        param = getDefaultWriteParam();
    RenderedImage input = null;
    Raster inputRaster = null;
    boolean writeRaster = image.hasRaster();
    Rectangle sourceRegion = param.getSourceRegion();
    SampleModel sampleModel = null;
    if (writeRaster) {
        inputRaster = image.getRaster();
        sampleModel = inputRaster.getSampleModel();
    } else {
        input = image.getRenderedImage();
        sampleModel = input.getSampleModel();
        inputRaster = input.getData();
    }
    checkSampleModel(sampleModel);
    if (sourceRegion == null)
        sourceRegion = inputRaster.getBounds();
    else
        sourceRegion = sourceRegion.intersection(inputRaster.getBounds());
    if (sourceRegion.isEmpty())
        throw new RuntimeException(I18N.getString("WBMPImageWriter1"));
    int scaleX = param.getSourceXSubsampling();
    int scaleY = param.getSourceYSubsampling();
    int xOffset = param.getSubsamplingXOffset();
    int yOffset = param.getSubsamplingYOffset();
    sourceRegion.translate(xOffset, yOffset);
    sourceRegion.width -= xOffset;
    sourceRegion.height -= yOffset;
    int minX = sourceRegion.x / scaleX;
    int minY = sourceRegion.y / scaleY;
    int w = (sourceRegion.width + scaleX - 1) / scaleX;
    int h = (sourceRegion.height + scaleY - 1) / scaleY;
    Rectangle destinationRegion = new Rectangle(minX, minY, w, h);
    sampleModel = sampleModel.createCompatibleSampleModel(w, h);
    SampleModel destSM = sampleModel;
    // If the data are not formatted nominally then reformat.
    if (sampleModel.getDataType() != DataBuffer.TYPE_BYTE || !(sampleModel instanceof MultiPixelPackedSampleModel) || ((MultiPixelPackedSampleModel) sampleModel).getDataBitOffset() != 0) {
        destSM = new MultiPixelPackedSampleModel(DataBuffer.TYPE_BYTE, w, h, 1, w + 7 >> 3, 0);
    }
    if (!destinationRegion.equals(sourceRegion)) {
        if (scaleX == 1 && scaleY == 1)
            inputRaster = inputRaster.createChild(inputRaster.getMinX(), inputRaster.getMinY(), w, h, minX, minY, null);
        else {
            WritableRaster ras = Raster.createWritableRaster(destSM, new Point(minX, minY));
            byte[] data = ((DataBufferByte) ras.getDataBuffer()).getData();
            for (int j = minY, y = sourceRegion.y, k = 0; j < minY + h; j++, y += scaleY) {
                for (int i = 0, x = sourceRegion.x; i < w; i++, x += scaleX) {
                    int v = inputRaster.getSample(x, y, 0);
                    data[k + (i >> 3)] |= v << (7 - (i & 7));
                }
                k += w + 7 >> 3;
            }
            inputRaster = ras;
        }
    }
    // If the data are not formatted nominally then reformat.
    if (!destSM.equals(inputRaster.getSampleModel())) {
        WritableRaster raster = Raster.createWritableRaster(destSM, new Point(inputRaster.getMinX(), inputRaster.getMinY()));
        raster.setRect(inputRaster);
        inputRaster = raster;
    }
    // Check whether the image is white-is-zero.
    boolean isWhiteZero = false;
    if (!writeRaster && input.getColorModel() instanceof IndexColorModel) {
        IndexColorModel icm = (IndexColorModel) input.getColorModel();
        isWhiteZero = icm.getRed(0) > icm.getRed(1);
    }
    // Get the line stride, bytes per row, and data array.
    int lineStride = ((MultiPixelPackedSampleModel) destSM).getScanlineStride();
    int bytesPerRow = (w + 7) / 8;
    byte[] bdata = ((DataBufferByte) inputRaster.getDataBuffer()).getData();
    // Write WBMP header.
    // TypeField
    stream.write(0);
    // FixHeaderField
    stream.write(0);
    // width
    stream.write(intToMultiByte(w));
    // height
    stream.write(intToMultiByte(h));
    // Write the data.
    if (!isWhiteZero && lineStride == bytesPerRow) {
        // Write the entire image.
        stream.write(bdata, 0, h * bytesPerRow);
        processImageProgress(100.0F);
    } else {
        // Write the image row-by-row.
        int offset = 0;
        if (!isWhiteZero) {
            // Black-is-zero
            for (int row = 0; row < h; row++) {
                if (abortRequested())
                    break;
                stream.write(bdata, offset, bytesPerRow);
                offset += lineStride;
                processImageProgress(100.0F * row / h);
            }
        } else {
            // White-is-zero: need to invert data.
            byte[] inverted = new byte[bytesPerRow];
            for (int row = 0; row < h; row++) {
                if (abortRequested())
                    break;
                for (int col = 0; col < bytesPerRow; col++) {
                    inverted[col] = (byte) (~(bdata[col + offset]));
                }
                stream.write(inverted, 0, bytesPerRow);
                offset += lineStride;
                processImageProgress(100.0F * row / h);
            }
        }
    }
    if (abortRequested())
        processWriteAborted();
    else {
        processImageComplete();
        stream.flushBefore(stream.getStreamPosition());
    }
}

Example 23 with DataBufferByte

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

the class JPEGImageWriter method writeOnThread.

private void writeOnThread(IIOMetadata streamMetadata, IIOImage image, ImageWriteParam param) throws IOException {
    if (ios == null) {
        throw new IllegalStateException("Output has not been set!");
    }
    if (image == null) {
        throw new IllegalArgumentException("image is null!");
    }
    // if streamMetadata is not null, issue a warning
    if (streamMetadata != null) {
        warningOccurred(WARNING_STREAM_METADATA_IGNORED);
    }
    // Obtain the raster and image, if there is one
    boolean rasterOnly = image.hasRaster();
    RenderedImage rimage = null;
    if (rasterOnly) {
        srcRas = image.getRaster();
    } else {
        rimage = image.getRenderedImage();
        if (rimage instanceof BufferedImage) {
            // Use the Raster directly.
            srcRas = ((BufferedImage) rimage).getRaster();
        } else if (rimage.getNumXTiles() == 1 && rimage.getNumYTiles() == 1) {
            // Get the unique tile.
            srcRas = rimage.getTile(rimage.getMinTileX(), rimage.getMinTileY());
            // as the tile dimensions might differ.
            if (srcRas.getWidth() != rimage.getWidth() || srcRas.getHeight() != rimage.getHeight()) {
                srcRas = srcRas.createChild(srcRas.getMinX(), srcRas.getMinY(), rimage.getWidth(), rimage.getHeight(), srcRas.getMinX(), srcRas.getMinY(), null);
            }
        } else {
            // Image is tiled so get a contiguous raster by copying.
            srcRas = rimage.getData();
        }
    }
    // Now determine if we are using a band subset
    // By default, we are using all source bands
    int numSrcBands = srcRas.getNumBands();
    indexed = false;
    indexCM = null;
    ColorModel cm = null;
    ColorSpace cs = null;
    isAlphaPremultiplied = false;
    srcCM = null;
    if (!rasterOnly) {
        cm = rimage.getColorModel();
        if (cm != null) {
            cs = cm.getColorSpace();
            if (cm instanceof IndexColorModel) {
                indexed = true;
                indexCM = (IndexColorModel) cm;
                numSrcBands = cm.getNumComponents();
            }
            if (cm.isAlphaPremultiplied()) {
                isAlphaPremultiplied = true;
                srcCM = cm;
            }
        }
    }
    srcBands = JPEG.bandOffsets[numSrcBands - 1];
    int numBandsUsed = numSrcBands;
    if (param != null) {
        int[] sBands = param.getSourceBands();
        if (sBands != null) {
            if (indexed) {
                warningOccurred(WARNING_NO_BANDS_ON_INDEXED);
            } else {
                srcBands = sBands;
                numBandsUsed = srcBands.length;
                if (numBandsUsed > numSrcBands) {
                    throw new IIOException("ImageWriteParam specifies too many source bands");
                }
            }
        }
    }
    boolean usingBandSubset = (numBandsUsed != numSrcBands);
    boolean fullImage = ((!rasterOnly) && (!usingBandSubset));
    int[] bandSizes = null;
    if (!indexed) {
        bandSizes = srcRas.getSampleModel().getSampleSize();
        // If this is a subset, we must adjust bandSizes
        if (usingBandSubset) {
            int[] temp = new int[numBandsUsed];
            for (int i = 0; i < numBandsUsed; i++) {
                temp[i] = bandSizes[srcBands[i]];
            }
            bandSizes = temp;
        }
    } else {
        int[] tempSize = srcRas.getSampleModel().getSampleSize();
        bandSizes = new int[numSrcBands];
        for (int i = 0; i < numSrcBands; i++) {
            // All the same
            bandSizes[i] = tempSize[0];
        }
    }
    for (int i = 0; i < bandSizes.length; i++) {
        // per sample.
        if (bandSizes[i] <= 0 || bandSizes[i] > 8) {
            throw new IIOException("Illegal band size: should be 0 < size <= 8");
        }
        // to 8-bit.
        if (indexed) {
            bandSizes[i] = 8;
        }
    }
    if (debug) {
        System.out.println("numSrcBands is " + numSrcBands);
        System.out.println("numBandsUsed is " + numBandsUsed);
        System.out.println("usingBandSubset is " + usingBandSubset);
        System.out.println("fullImage is " + fullImage);
        System.out.print("Band sizes:");
        for (int i = 0; i < bandSizes.length; i++) {
            System.out.print(" " + bandSizes[i]);
        }
        System.out.println();
    }
    // Destination type, if there is one
    ImageTypeSpecifier destType = null;
    if (param != null) {
        destType = param.getDestinationType();
        // Ignore dest type if we are writing a complete image
        if ((fullImage) && (destType != null)) {
            warningOccurred(WARNING_DEST_IGNORED);
            destType = null;
        }
    }
    // Examine the param
    sourceXOffset = srcRas.getMinX();
    sourceYOffset = srcRas.getMinY();
    int imageWidth = srcRas.getWidth();
    int imageHeight = srcRas.getHeight();
    sourceWidth = imageWidth;
    sourceHeight = imageHeight;
    int periodX = 1;
    int periodY = 1;
    int gridX = 0;
    int gridY = 0;
    JPEGQTable[] qTables = null;
    JPEGHuffmanTable[] DCHuffmanTables = null;
    JPEGHuffmanTable[] ACHuffmanTables = null;
    boolean optimizeHuffman = false;
    JPEGImageWriteParam jparam = null;
    int progressiveMode = ImageWriteParam.MODE_DISABLED;
    if (param != null) {
        Rectangle sourceRegion = param.getSourceRegion();
        if (sourceRegion != null) {
            Rectangle imageBounds = new Rectangle(sourceXOffset, sourceYOffset, sourceWidth, sourceHeight);
            sourceRegion = sourceRegion.intersection(imageBounds);
            sourceXOffset = sourceRegion.x;
            sourceYOffset = sourceRegion.y;
            sourceWidth = sourceRegion.width;
            sourceHeight = sourceRegion.height;
        }
        if (sourceWidth + sourceXOffset > imageWidth) {
            sourceWidth = imageWidth - sourceXOffset;
        }
        if (sourceHeight + sourceYOffset > imageHeight) {
            sourceHeight = imageHeight - sourceYOffset;
        }
        periodX = param.getSourceXSubsampling();
        periodY = param.getSourceYSubsampling();
        gridX = param.getSubsamplingXOffset();
        gridY = param.getSubsamplingYOffset();
        switch(param.getCompressionMode()) {
            case ImageWriteParam.MODE_DISABLED:
                throw new IIOException("JPEG compression cannot be disabled");
            case ImageWriteParam.MODE_EXPLICIT:
                float quality = param.getCompressionQuality();
                quality = JPEG.convertToLinearQuality(quality);
                qTables = new JPEGQTable[2];
                qTables[0] = JPEGQTable.K1Luminance.getScaledInstance(quality, true);
                qTables[1] = JPEGQTable.K2Chrominance.getScaledInstance(quality, true);
                break;
            case ImageWriteParam.MODE_DEFAULT:
                qTables = new JPEGQTable[2];
                qTables[0] = JPEGQTable.K1Div2Luminance;
                qTables[1] = JPEGQTable.K2Div2Chrominance;
                break;
        }
        progressiveMode = param.getProgressiveMode();
        if (param instanceof JPEGImageWriteParam) {
            jparam = (JPEGImageWriteParam) param;
            optimizeHuffman = jparam.getOptimizeHuffmanTables();
        }
    }
    // Now examine the metadata
    IIOMetadata mdata = image.getMetadata();
    if (mdata != null) {
        if (mdata instanceof JPEGMetadata) {
            metadata = (JPEGMetadata) mdata;
            if (debug) {
                System.out.println("We have metadata, and it's JPEG metadata");
            }
        } else {
            if (!rasterOnly) {
                ImageTypeSpecifier type = destType;
                if (type == null) {
                    type = new ImageTypeSpecifier(rimage);
                }
                metadata = (JPEGMetadata) convertImageMetadata(mdata, type, param);
            } else {
                warningOccurred(WARNING_METADATA_NOT_JPEG_FOR_RASTER);
            }
        }
    }
    // First set a default state
    // If it's there, use it
    ignoreJFIF = false;
    // If it's there, use it
    ignoreAdobe = false;
    // Change if needed
    newAdobeTransform = JPEG.ADOBE_IMPOSSIBLE;
    writeDefaultJFIF = false;
    writeAdobe = false;
    // By default we'll do no conversion:
    int inCsType = JPEG.JCS_UNKNOWN;
    int outCsType = JPEG.JCS_UNKNOWN;
    JFIFMarkerSegment jfif = null;
    AdobeMarkerSegment adobe = null;
    SOFMarkerSegment sof = null;
    if (metadata != null) {
        jfif = (JFIFMarkerSegment) metadata.findMarkerSegment(JFIFMarkerSegment.class, true);
        adobe = (AdobeMarkerSegment) metadata.findMarkerSegment(AdobeMarkerSegment.class, true);
        sof = (SOFMarkerSegment) metadata.findMarkerSegment(SOFMarkerSegment.class, true);
    }
    // By default don't write one
    iccProfile = null;
    // PhotoYCC does this
    convertTosRGB = false;
    converted = null;
    if (destType != null) {
        if (numBandsUsed != destType.getNumBands()) {
            throw new IIOException("Number of source bands != number of destination bands");
        }
        cs = destType.getColorModel().getColorSpace();
        // Check the metadata against the destination type
        if (metadata != null) {
            checkSOFBands(sof, numBandsUsed);
            checkJFIF(jfif, destType, false);
            // Do we want to write an ICC profile?
            if ((jfif != null) && (ignoreJFIF == false)) {
                if (JPEG.isNonStandardICC(cs)) {
                    iccProfile = ((ICC_ColorSpace) cs).getProfile();
                }
            }
            checkAdobe(adobe, destType, false);
        } else {
            // If we can add a JFIF or an Adobe marker segment, do so
            if (JPEG.isJFIFcompliant(destType, false)) {
                writeDefaultJFIF = true;
                // Do we want to write an ICC profile?
                if (JPEG.isNonStandardICC(cs)) {
                    iccProfile = ((ICC_ColorSpace) cs).getProfile();
                }
            } else {
                int transform = JPEG.transformForType(destType, false);
                if (transform != JPEG.ADOBE_IMPOSSIBLE) {
                    writeAdobe = true;
                    newAdobeTransform = transform;
                }
            }
            // re-create the metadata
            metadata = new JPEGMetadata(destType, null, this);
        }
        inCsType = getSrcCSType(destType);
        outCsType = getDefaultDestCSType(destType);
    } else {
        // no destination type
        if (metadata == null) {
            if (fullImage) {
                // no dest, no metadata, full image
                // Use default metadata matching the image and param
                metadata = new JPEGMetadata(new ImageTypeSpecifier(rimage), param, this);
                if (metadata.findMarkerSegment(JFIFMarkerSegment.class, true) != null) {
                    cs = rimage.getColorModel().getColorSpace();
                    if (JPEG.isNonStandardICC(cs)) {
                        iccProfile = ((ICC_ColorSpace) cs).getProfile();
                    }
                }
                inCsType = getSrcCSType(rimage);
                outCsType = getDefaultDestCSType(rimage);
            }
        // else no dest, no metadata, not an image,
        // so no special headers, no color conversion
        } else {
            // no dest type, but there is metadata
            checkSOFBands(sof, numBandsUsed);
            if (fullImage) {
                // no dest, metadata, image
                // Check that the metadata and the image match
                ImageTypeSpecifier inputType = new ImageTypeSpecifier(rimage);
                inCsType = getSrcCSType(rimage);
                if (cm != null) {
                    boolean alpha = cm.hasAlpha();
                    switch(cs.getType()) {
                        case ColorSpace.TYPE_GRAY:
                            if (!alpha) {
                                outCsType = JPEG.JCS_GRAYSCALE;
                            } else {
                                if (jfif != null) {
                                    ignoreJFIF = true;
                                    warningOccurred(WARNING_IMAGE_METADATA_JFIF_MISMATCH);
                                }
                            // out colorspace remains unknown
                            }
                            if ((adobe != null) && (adobe.transform != JPEG.ADOBE_UNKNOWN)) {
                                newAdobeTransform = JPEG.ADOBE_UNKNOWN;
                                warningOccurred(WARNING_IMAGE_METADATA_ADOBE_MISMATCH);
                            }
                            break;
                        case ColorSpace.TYPE_RGB:
                            if (!alpha) {
                                if (jfif != null) {
                                    outCsType = JPEG.JCS_YCbCr;
                                    if (JPEG.isNonStandardICC(cs) || ((cs instanceof ICC_ColorSpace) && (jfif.iccSegment != null))) {
                                        iccProfile = ((ICC_ColorSpace) cs).getProfile();
                                    }
                                } else if (adobe != null) {
                                    switch(adobe.transform) {
                                        case JPEG.ADOBE_UNKNOWN:
                                            outCsType = JPEG.JCS_RGB;
                                            break;
                                        case JPEG.ADOBE_YCC:
                                            outCsType = JPEG.JCS_YCbCr;
                                            break;
                                        default:
                                            warningOccurred(WARNING_IMAGE_METADATA_ADOBE_MISMATCH);
                                            newAdobeTransform = JPEG.ADOBE_UNKNOWN;
                                            outCsType = JPEG.JCS_RGB;
                                            break;
                                    }
                                } else {
                                    // consult the ids
                                    int outCS = sof.getIDencodedCSType();
                                    // consult the sampling factors
                                    if (outCS != JPEG.JCS_UNKNOWN) {
                                        outCsType = outCS;
                                    } else {
                                        boolean subsampled = isSubsampled(sof.componentSpecs);
                                        if (subsampled) {
                                            outCsType = JPEG.JCS_YCbCr;
                                        } else {
                                            outCsType = JPEG.JCS_RGB;
                                        }
                                    }
                                }
                            } else {
                                // RGBA
                                if (jfif != null) {
                                    ignoreJFIF = true;
                                    warningOccurred(WARNING_IMAGE_METADATA_JFIF_MISMATCH);
                                }
                                if (adobe != null) {
                                    if (adobe.transform != JPEG.ADOBE_UNKNOWN) {
                                        newAdobeTransform = JPEG.ADOBE_UNKNOWN;
                                        warningOccurred(WARNING_IMAGE_METADATA_ADOBE_MISMATCH);
                                    }
                                    outCsType = JPEG.JCS_RGBA;
                                } else {
                                    // consult the ids
                                    int outCS = sof.getIDencodedCSType();
                                    // consult the sampling factors
                                    if (outCS != JPEG.JCS_UNKNOWN) {
                                        outCsType = outCS;
                                    } else {
                                        boolean subsampled = isSubsampled(sof.componentSpecs);
                                        outCsType = subsampled ? JPEG.JCS_YCbCrA : JPEG.JCS_RGBA;
                                    }
                                }
                            }
                            break;
                        case ColorSpace.TYPE_3CLR:
                            if (cs == JPEG.JCS.getYCC()) {
                                if (!alpha) {
                                    if (jfif != null) {
                                        convertTosRGB = true;
                                        convertOp = new ColorConvertOp(cs, JPEG.JCS.sRGB, null);
                                        outCsType = JPEG.JCS_YCbCr;
                                    } else if (adobe != null) {
                                        if (adobe.transform != JPEG.ADOBE_YCC) {
                                            newAdobeTransform = JPEG.ADOBE_YCC;
                                            warningOccurred(WARNING_IMAGE_METADATA_ADOBE_MISMATCH);
                                        }
                                        outCsType = JPEG.JCS_YCC;
                                    } else {
                                        outCsType = JPEG.JCS_YCC;
                                    }
                                } else {
                                    // PhotoYCCA
                                    if (jfif != null) {
                                        ignoreJFIF = true;
                                        warningOccurred(WARNING_IMAGE_METADATA_JFIF_MISMATCH);
                                    } else if (adobe != null) {
                                        if (adobe.transform != JPEG.ADOBE_UNKNOWN) {
                                            newAdobeTransform = JPEG.ADOBE_UNKNOWN;
                                            warningOccurred(WARNING_IMAGE_METADATA_ADOBE_MISMATCH);
                                        }
                                    }
                                    outCsType = JPEG.JCS_YCCA;
                                }
                            }
                    }
                }
            }
        // else no dest, metadata, not an image.  Defaults ok
        }
    }
    boolean metadataProgressive = false;
    int[] scans = null;
    if (metadata != null) {
        if (sof == null) {
            sof = (SOFMarkerSegment) metadata.findMarkerSegment(SOFMarkerSegment.class, true);
        }
        if ((sof != null) && (sof.tag == JPEG.SOF2)) {
            metadataProgressive = true;
            if (progressiveMode == ImageWriteParam.MODE_COPY_FROM_METADATA) {
                // Might still be null
                scans = collectScans(metadata, sof);
            } else {
                numScans = 0;
            }
        }
        if (jfif == null) {
            jfif = (JFIFMarkerSegment) metadata.findMarkerSegment(JFIFMarkerSegment.class, true);
        }
    }
    thumbnails = image.getThumbnails();
    int numThumbs = image.getNumThumbnails();
    forceJFIF = false;
    // then thumbnails can be written
    if (!writeDefaultJFIF) {
        // If there is no metadata, then we can't write thumbnails
        if (metadata == null) {
            thumbnails = null;
            if (numThumbs != 0) {
                warningOccurred(WARNING_IGNORING_THUMBS);
            }
        } else {
            // then the user must specify JFIF on the metadata
            if (fullImage == false) {
                if (jfif == null) {
                    // Or we can't include thumbnails
                    thumbnails = null;
                    if (numThumbs != 0) {
                        warningOccurred(WARNING_IGNORING_THUMBS);
                    }
                }
            } else {
                // It is a full image, and there is metadata
                if (jfif == null) {
                    // Can it have JFIF?
                    if ((outCsType == JPEG.JCS_GRAYSCALE) || (outCsType == JPEG.JCS_YCbCr)) {
                        if (numThumbs != 0) {
                            forceJFIF = true;
                            warningOccurred(WARNING_FORCING_JFIF);
                        }
                    } else {
                        // Nope, not JFIF-compatible
                        thumbnails = null;
                        if (numThumbs != 0) {
                            warningOccurred(WARNING_IGNORING_THUMBS);
                        }
                    }
                }
            }
        }
    }
    // Set up a boolean to indicate whether we need to call back to
    // write metadata
    boolean haveMetadata = ((metadata != null) || writeDefaultJFIF || writeAdobe);
    // Now that we have dealt with metadata, finalize our tables set up
    // Are we going to write tables?  By default, yes.
    boolean writeDQT = true;
    boolean writeDHT = true;
    // But if the metadata has no tables, no.
    DQTMarkerSegment dqt = null;
    DHTMarkerSegment dht = null;
    int restartInterval = 0;
    if (metadata != null) {
        dqt = (DQTMarkerSegment) metadata.findMarkerSegment(DQTMarkerSegment.class, true);
        dht = (DHTMarkerSegment) metadata.findMarkerSegment(DHTMarkerSegment.class, true);
        DRIMarkerSegment dri = (DRIMarkerSegment) metadata.findMarkerSegment(DRIMarkerSegment.class, true);
        if (dri != null) {
            restartInterval = dri.restartInterval;
        }
        if (dqt == null) {
            writeDQT = false;
        }
        if (dht == null) {
            // Ignored if optimizeHuffman is true
            writeDHT = false;
        }
    }
    // to use
    if (qTables == null) {
        // Get them from metadata, or use defaults
        if (dqt != null) {
            qTables = collectQTablesFromMetadata(metadata);
        } else if (streamQTables != null) {
            qTables = streamQTables;
        } else if ((jparam != null) && (jparam.areTablesSet())) {
            qTables = jparam.getQTables();
        } else {
            qTables = JPEG.getDefaultQTables();
        }
    }
    // If we are optimizing, we don't want any tables.
    if (optimizeHuffman == false) {
        // If they were for progressive scans, we can't use them.
        if ((dht != null) && (metadataProgressive == false)) {
            DCHuffmanTables = collectHTablesFromMetadata(metadata, true);
            ACHuffmanTables = collectHTablesFromMetadata(metadata, false);
        } else if (streamDCHuffmanTables != null) {
            DCHuffmanTables = streamDCHuffmanTables;
            ACHuffmanTables = streamACHuffmanTables;
        } else if ((jparam != null) && (jparam.areTablesSet())) {
            DCHuffmanTables = jparam.getDCHuffmanTables();
            ACHuffmanTables = jparam.getACHuffmanTables();
        } else {
            DCHuffmanTables = JPEG.getDefaultHuffmanTables(true);
            ACHuffmanTables = JPEG.getDefaultHuffmanTables(false);
        }
    }
    // By default, ids are 1 - N, no subsampling
    int[] componentIds = new int[numBandsUsed];
    int[] HsamplingFactors = new int[numBandsUsed];
    int[] VsamplingFactors = new int[numBandsUsed];
    int[] QtableSelectors = new int[numBandsUsed];
    for (int i = 0; i < numBandsUsed; i++) {
        // JFIF compatible
        componentIds[i] = i + 1;
        HsamplingFactors[i] = 1;
        VsamplingFactors[i] = 1;
        QtableSelectors[i] = 0;
    }
    // Now override them with the contents of sof, if there is one,
    if (sof != null) {
        for (int i = 0; i < numBandsUsed; i++) {
            if (forceJFIF == false) {
                // else use JFIF-compatible default
                componentIds[i] = sof.componentSpecs[i].componentId;
            }
            HsamplingFactors[i] = sof.componentSpecs[i].HsamplingFactor;
            VsamplingFactors[i] = sof.componentSpecs[i].VsamplingFactor;
            QtableSelectors[i] = sof.componentSpecs[i].QtableSelector;
        }
    }
    sourceXOffset += gridX;
    sourceWidth -= gridX;
    sourceYOffset += gridY;
    sourceHeight -= gridY;
    int destWidth = (sourceWidth + periodX - 1) / periodX;
    int destHeight = (sourceHeight + periodY - 1) / periodY;
    // Create an appropriate 1-line databuffer for writing
    int lineSize = sourceWidth * numBandsUsed;
    DataBufferByte buffer = new DataBufferByte(lineSize);
    // Create a raster from that
    int[] bandOffs = JPEG.bandOffsets[numBandsUsed - 1];
    raster = Raster.createInterleavedRaster(buffer, sourceWidth, 1, lineSize, numBandsUsed, bandOffs, null);
    // Call the writer, who will call back for every scanline
    clearAbortRequest();
    cbLock.lock();
    try {
        processImageStarted(currentImage);
    } finally {
        cbLock.unlock();
    }
    boolean aborted = false;
    if (debug) {
        System.out.println("inCsType: " + inCsType);
        System.out.println("outCsType: " + outCsType);
    }
    // Note that getData disables acceleration on buffer, but it is
    // just a 1-line intermediate data transfer buffer that does not
    // affect the acceleration of the source image.
    aborted = writeImage(structPointer, buffer.getData(), inCsType, outCsType, numBandsUsed, bandSizes, sourceWidth, destWidth, destHeight, periodX, periodY, qTables, writeDQT, DCHuffmanTables, ACHuffmanTables, writeDHT, optimizeHuffman, (progressiveMode != ImageWriteParam.MODE_DISABLED), numScans, scans, componentIds, HsamplingFactors, VsamplingFactors, QtableSelectors, haveMetadata, restartInterval);
    cbLock.lock();
    try {
        if (aborted) {
            processWriteAborted();
        } else {
            processImageComplete();
        }
        ios.flush();
    } finally {
        cbLock.unlock();
    }
    // After a successful write
    currentImage++;
}

Example 24 with DataBufferByte

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

the class ImageTypeProducer method readInternal.

private Raster readInternal(int imageIndex, ImageReadParam param, boolean wantRaster) throws IOException {
    readHeader(imageIndex, false);
    WritableRaster imRas = null;
    int numImageBands = 0;
    if (!wantRaster) {
        // Can we read this image?
        Iterator imageTypes = getImageTypes(imageIndex);
        if (imageTypes.hasNext() == false) {
            throw new IIOException("Unsupported Image Type");
        }
        image = getDestination(param, imageTypes, width, height);
        imRas = image.getRaster();
        // The destination may still be incompatible.
        numImageBands = image.getSampleModel().getNumBands();
        // Check whether we can handle any implied color conversion
        // Throws IIOException if the stream and the image are
        // incompatible, and sets convert if a java conversion
        // is necessary
        checkColorConversion(image, param);
        // Check the source and destination bands in the param
        checkReadParamBandSettings(param, numComponents, numImageBands);
    } else {
        // Set the output color space equal to the input colorspace
        // This disables all conversions
        setOutColorSpace(structPointer, colorSpaceCode);
        image = null;
    }
    // Create an intermediate 1-line Raster that will hold the decoded,
    // subsampled, clipped, band-selected image data in a single
    // byte-interleaved buffer.  The above transformations
    // will occur in C for performance.  Every time this Raster
    // is filled we will call back to acceptPixels below to copy
    // this to whatever kind of buffer our image has.
    int[] srcBands = JPEG.bandOffsets[numComponents - 1];
    int numRasterBands = (wantRaster ? numComponents : numImageBands);
    destinationBands = null;
    Rectangle srcROI = new Rectangle(0, 0, 0, 0);
    destROI = new Rectangle(0, 0, 0, 0);
    computeRegions(param, width, height, image, srcROI, destROI);
    int periodX = 1;
    int periodY = 1;
    minProgressivePass = 0;
    maxProgressivePass = Integer.MAX_VALUE;
    if (param != null) {
        periodX = param.getSourceXSubsampling();
        periodY = param.getSourceYSubsampling();
        int[] sBands = param.getSourceBands();
        if (sBands != null) {
            srcBands = sBands;
            numRasterBands = srcBands.length;
        }
        if (!wantRaster) {
            // ignore dest bands for Raster
            destinationBands = param.getDestinationBands();
        }
        minProgressivePass = param.getSourceMinProgressivePass();
        maxProgressivePass = param.getSourceMaxProgressivePass();
        if (param instanceof JPEGImageReadParam) {
            JPEGImageReadParam jparam = (JPEGImageReadParam) param;
            if (jparam.areTablesSet()) {
                abbrevQTables = jparam.getQTables();
                abbrevDCHuffmanTables = jparam.getDCHuffmanTables();
                abbrevACHuffmanTables = jparam.getACHuffmanTables();
            }
        }
    }
    int lineSize = destROI.width * numRasterBands;
    buffer = new DataBufferByte(lineSize);
    int[] bandOffs = JPEG.bandOffsets[numRasterBands - 1];
    raster = Raster.createInterleavedRaster(buffer, destROI.width, 1, lineSize, numRasterBands, bandOffs, null);
    // target Raster that will permit a simple setRect for each scanline
    if (wantRaster) {
        target = Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE, destROI.width, destROI.height, lineSize, numRasterBands, bandOffs, null);
    } else {
        target = imRas;
    }
    int[] bandSizes = target.getSampleModel().getSampleSize();
    for (int i = 0; i < bandSizes.length; i++) {
        if (bandSizes[i] <= 0 || bandSizes[i] > 8) {
            throw new IIOException("Illegal band size: should be 0 < size <= 8");
        }
    }
    /*
         * If the process is sequential, and we have restart markers,
         * we could skip to the correct restart marker, if the library
         * lets us.  That's an optimization to investigate later.
         */
    // Check for update listeners (don't call back if none)
    boolean callbackUpdates = ((updateListeners != null) || (progressListeners != null));
    // Set up progression data
    initProgressData();
    // and set knownPassCount
    if (imageIndex == imageMetadataIndex) {
        // We have metadata
        knownPassCount = 0;
        for (Iterator iter = imageMetadata.markerSequence.iterator(); iter.hasNext(); ) {
            if (iter.next() instanceof SOSMarkerSegment) {
                knownPassCount++;
            }
        }
    }
    progInterval = Math.max((target.getHeight() - 1) / 20, 1);
    if (knownPassCount > 0) {
        progInterval *= knownPassCount;
    } else if (maxProgressivePass != Integer.MAX_VALUE) {
        progInterval *= (maxProgressivePass - minProgressivePass + 1);
    }
    if (debug) {
        System.out.println("**** Read Data *****");
        System.out.println("numRasterBands is " + numRasterBands);
        System.out.print("srcBands:");
        for (int i = 0; i < srcBands.length; i++) System.out.print(" " + srcBands[i]);
        System.out.println();
        System.out.println("destination bands is " + destinationBands);
        if (destinationBands != null) {
            for (int i = 0; i < destinationBands.length; i++) {
                System.out.print(" " + destinationBands[i]);
            }
            System.out.println();
        }
        System.out.println("sourceROI is " + srcROI);
        System.out.println("destROI is " + destROI);
        System.out.println("periodX is " + periodX);
        System.out.println("periodY is " + periodY);
        System.out.println("minProgressivePass is " + minProgressivePass);
        System.out.println("maxProgressivePass is " + maxProgressivePass);
        System.out.println("callbackUpdates is " + callbackUpdates);
    }
    // Finally, we are ready to read
    processImageStarted(currentImage);
    boolean aborted = false;
    // Note that getData disables acceleration on buffer, but it is
    // just a 1-line intermediate data transfer buffer that will not
    // affect the acceleration of the resulting image.
    aborted = readImage(structPointer, buffer.getData(), numRasterBands, srcBands, bandSizes, srcROI.x, srcROI.y, srcROI.width, srcROI.height, periodX, periodY, abbrevQTables, abbrevDCHuffmanTables, abbrevACHuffmanTables, minProgressivePass, maxProgressivePass, callbackUpdates);
    if (aborted) {
        processReadAborted();
    } else {
        processImageComplete();
    }
    return target;
}

Example 25 with DataBufferByte

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

the class IncorrectClipXorModeSW2Surface method getBufferedImage.

private static BufferedImage getBufferedImage(int sw) {
    final BufferedImage bi = new BufferedImage(sw, sw, BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2d = bi.createGraphics();
    g2d.setColor(Color.RED);
    g2d.fillRect(0, 0, sw, sw);
    g2d.dispose();
    final DataBuffer db = bi.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 {
            bi.setAccelerationPriority(0.0f);
        } catch (final Throwable ignored) {
        }
    }
    return bi;
}