Examples of ae.java.awt.image.RenderedImage

ae.java.awt.image.RenderedImage
RenderedImage is a common interface for objects which contain or can produce image data in the form of Rasters. The image data may be stored/produced as a single tile or a regular array of tiles.

        } catch (NoninvertibleTransformException nte) {
            rc = new RenderContext(pipeTransform);
            reverseTransform = new AffineTransform();
        }


        RenderedImage rendering = img.createRendering(rc);
        drawRenderedImage(rendering,reverseTransform);
    }

View Full Code Here

     * 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();

View Full Code Here

        int bitsPerPixel = 24;
        boolean isPalette = false;
        int paletteEntries = 0;
        IndexColorModel icm = null;


        RenderedImage input = null;
        Raster inputRaster = null;
        boolean writeRaster = image.hasRaster();
        Rectangle sourceRegion = param.getSourceRegion();
        SampleModel sampleModel = null;
        ColorModel colorModel = null;


        compImageSize = 0;


        if (writeRaster) {
            inputRaster = image.getRaster();
            sampleModel = inputRaster.getSampleModel();
            colorModel = ImageUtil.createColorModel(null, sampleModel);
            if (sourceRegion == null)
                sourceRegion = inputRaster.getBounds();
            else
                sourceRegion = sourceRegion.intersection(inputRaster.getBounds());
        } else {
            input = image.getRenderedImage();
            sampleModel = input.getSampleModel();
            colorModel = input.getColorModel();
            Rectangle rect = new Rectangle(input.getMinX(), input.getMinY(),
                                           input.getWidth(), input.getHeight());
            if (sourceRegion == null)
                sourceRegion = rect;
            else
                sourceRegion = sourceRegion.intersection(rect);
        }


        IIOMetadata imageMetadata = image.getMetadata();
        BMPMetadata bmpImageMetadata = null;
        if (imageMetadata != null
            && imageMetadata instanceof BMPMetadata)
        {
            bmpImageMetadata = (BMPMetadata)imageMetadata;
        } else {
            ImageTypeSpecifier imageType =
                new ImageTypeSpecifier(colorModel, sampleModel);


            bmpImageMetadata = (BMPMetadata)getDefaultImageMetadata(imageType,
                                                                    param);
        }


        if (sourceRegion.isEmpty())
            throw new RuntimeException(I18N.getString("BMPImageWrite0"));


        int scaleX = param.getSourceXSubsampling();
        int scaleY = param.getSourceYSubsampling();
        int xOffset = param.getSubsamplingXOffset();
        int yOffset = param.getSubsamplingYOffset();


        // cache the data type;
        int dataType = sampleModel.getDataType();


        sourceRegion.translate(xOffset, yOffset);
        sourceRegion.width -= xOffset;
        sourceRegion.height -= yOffset;


        int minX = sourceRegion.x / scaleX;
        int minY = sourceRegion.y / scaleY;
        w = (sourceRegion.width + scaleX - 1) / scaleX;
        h = (sourceRegion.height + scaleY - 1) / scaleY;
        xOffset = sourceRegion.x % scaleX;
        yOffset = sourceRegion.y % scaleY;


        Rectangle destinationRegion = new Rectangle(minX, minY, w, h);
        boolean noTransform = destinationRegion.equals(sourceRegion);


        // Raw data can only handle bytes, everything greater must be ASCII.
        int[] sourceBands = param.getSourceBands();
        boolean noSubband = true;
        int numBands = sampleModel.getNumBands();


        if (sourceBands != null) {
            sampleModel = sampleModel.createSubsetSampleModel(sourceBands);
            colorModel = null;
            noSubband = false;
            numBands = sampleModel.getNumBands();
        } else {
            sourceBands = new int[numBands];
            for (int i = 0; i < numBands; i++)
                sourceBands[i] = i;
        }


        int[] bandOffsets = null;
        boolean bgrOrder = true;


        if (sampleModel instanceof ComponentSampleModel) {
            bandOffsets = ((ComponentSampleModel)sampleModel).getBandOffsets();
            if (sampleModel instanceof BandedSampleModel) {
                // for images with BandedSampleModel we can not work
                //  with raster directly and must use writePixels()
                bgrOrder = false;
            } else {
                // we can work with raster directly only in case of
                // BGR component order.
                // In any other case we must use writePixels()
                for (int i = 0; i < bandOffsets.length; i++) {
                    bgrOrder &= (bandOffsets[i] == (bandOffsets.length - i - 1));
                }
            }
        } else {
            if (sampleModel instanceof SinglePixelPackedSampleModel) {


                // BugId 4892214: we can not work with raster directly
                // if image have different color order than RGB.
                // We should use writePixels() for such images.
                int[] bitOffsets = ((SinglePixelPackedSampleModel)sampleModel).getBitOffsets();
                for (int i=0; i<bitOffsets.length-1; i++) {
                    bgrOrder &= bitOffsets[i] > bitOffsets[i+1];
                }
            }
        }


        if (bandOffsets == null) {
            // we will use getPixels() to extract pixel data for writePixels()
            // Please note that getPixels() provides rgb bands order.
            bandOffsets = new int[numBands];
            for (int i = 0; i < numBands; i++)
                bandOffsets[i] = i;
        }


        noTransform &= bgrOrder;


        int sampleSize[] = sampleModel.getSampleSize();


        //XXX: check more


        // Number of bytes that a scanline for the image written out will have.
        int destScanlineBytes = w * numBands;


        switch(bmpParam.getCompressionMode()) {
        case ImageWriteParam.MODE_EXPLICIT:
            compressionType = getCompressionType(bmpParam.getCompressionType());
            break;
        case ImageWriteParam.MODE_COPY_FROM_METADATA:
            compressionType = bmpImageMetadata.compression;
            break;
        case ImageWriteParam.MODE_DEFAULT:
            compressionType = getPreferredCompressionType(colorModel, sampleModel);
            break;
        default:
            // ImageWriteParam.MODE_DISABLED:
            compressionType = BI_RGB;
        }


        if (!canEncodeImage(compressionType, colorModel, sampleModel)) {
            throw new IOException("Image can not be encoded with compression type "
                                  + compressionTypeNames[compressionType]);
        }


        byte r[] = null, g[] = null, b[] = null, a[] = null;


        if (compressionType == BMPConstants.BI_BITFIELDS) {
            bitsPerPixel =
                DataBuffer.getDataTypeSize(sampleModel.getDataType());


            if (bitsPerPixel != 16 && bitsPerPixel != 32) {
                // we should use 32bpp images in case of BI_BITFIELD
                // compression to avoid color conversion artefacts
                bitsPerPixel = 32;


                // Setting this flag to false ensures that generic
                // writePixels() will be used to store image data
                noTransform = false;
            }


            destScanlineBytes = w * bitsPerPixel + 7 >> 3;


            isPalette = true;
            paletteEntries = 3;
            r = new byte[paletteEntries];
            g = new byte[paletteEntries];
            b = new byte[paletteEntries];
            a = new byte[paletteEntries];


            int rmask = 0x00ff0000;
            int gmask = 0x0000ff00;
            int bmask = 0x000000ff;


            if (bitsPerPixel == 16) {
                /* NB: canEncodeImage() ensures we have image of
                 * either USHORT_565_RGB or USHORT_555_RGB type here.
                 * Technically, it should work for other direct color
                 * model types but it might be non compatible with win98
                 * and friends.
                 */
                if (colorModel instanceof DirectColorModel) {
                    DirectColorModel dcm = (DirectColorModel)colorModel;
                    rmask = dcm.getRedMask();
                    gmask = dcm.getGreenMask();
                    bmask = dcm.getBlueMask();
                } else {
                    // it is unlikely, but if it happens, we should throw
                    // an exception related to unsupported image format
                    throw new IOException("Image can not be encoded with " +
                                          "compression type " +
                                          compressionTypeNames[compressionType]);
                }
            }
            writeMaskToPalette(rmask, 0, r, g, b, a);
            writeMaskToPalette(gmask, 1, r, g, b, a);
            writeMaskToPalette(bmask, 2, r, g, b, a);


            if (!noTransform) {
                // prepare info for writePixels procedure
                bitMasks = new int[3];
                bitMasks[0] = rmask;
                bitMasks[1] = gmask;
                bitMasks[2] = bmask;


                bitPos = new int[3];
                bitPos[0] = firstLowBit(rmask);
                bitPos[1] = firstLowBit(gmask);
                bitPos[2] = firstLowBit(bmask);
            }


            if (colorModel instanceof IndexColorModel) {
                icm = (IndexColorModel)colorModel;
            }
        } else { // handle BI_RGB compression
            if (colorModel instanceof IndexColorModel) {
                isPalette = true;
                icm = (IndexColorModel)colorModel;
                paletteEntries = icm.getMapSize();


                if (paletteEntries <= 2) {
                    bitsPerPixel = 1;
                    destScanlineBytes = w + 7 >> 3;
                } else if (paletteEntries <= 16) {
                    bitsPerPixel = 4;
                    destScanlineBytes = w + 1 >> 1;
                } else if (paletteEntries <= 256) {
                    bitsPerPixel = 8;
                } else {
                    // Cannot be written as a Palette image. So write out as
                    // 24 bit image.
                    bitsPerPixel = 24;
                    isPalette = false;
                    paletteEntries = 0;
                    destScanlineBytes = w * 3;
                }


                if (isPalette == true) {
                    r = new byte[paletteEntries];
                    g = new byte[paletteEntries];
                    b = new byte[paletteEntries];
                    a = new byte[paletteEntries];


                    icm.getAlphas(a);
                    icm.getReds(r);
                    icm.getGreens(g);
                    icm.getBlues(b);
                }


            } else {
                // Grey scale images
                if (numBands == 1) {


                    isPalette = true;
                    paletteEntries = 256;
                    bitsPerPixel = sampleSize[0];


                    destScanlineBytes = (w * bitsPerPixel + 7 >> 3);


                    r = new byte[256];
                    g = new byte[256];
                    b = new byte[256];
                    a = new byte[256];


                    for (int i = 0; i < 256; i++) {
                        r[i] = (byte)i;
                        g[i] = (byte)i;
                        b[i] = (byte)i;
                        a[i] = (byte)255;
                    }


                } else {
                    if (sampleModel instanceof SinglePixelPackedSampleModel &&
                        noSubband)
                    {
                        /* NB: the actual pixel size can be smaller than
                         * size of used DataBuffer element.
                         * For example: in case of TYPE_INT_RGB actual pixel
                         * size is 24 bits, but size of DataBuffere element
                         * is 32 bits
                         */
                        int[] sample_sizes = sampleModel.getSampleSize();
                        bitsPerPixel = 0;
                        for (int size : sample_sizes) {
                            bitsPerPixel += size;
                        }
                        bitsPerPixel = roundBpp(bitsPerPixel);
                        if (bitsPerPixel != DataBuffer.getDataTypeSize(sampleModel.getDataType())) {
                            noTransform = false;
                        }
                        destScanlineBytes = w * bitsPerPixel + 7 >> 3;
                    }
                }
            }
        }


        // actual writing of image data
        int fileSize = 0;
        int offset = 0;
        int headerSize = 0;
        int imageSize = 0;
        int xPelsPerMeter = 0;
        int yPelsPerMeter = 0;
        int colorsUsed = 0;
        int colorsImportant = paletteEntries;


        // Calculate padding for each scanline
        int padding = destScanlineBytes % 4;
        if (padding != 0) {
            padding = 4 - padding;
        }




        // FileHeader is 14 bytes, BitmapHeader is 40 bytes,
        // add palette size and that is where the data will begin
        offset = 54 + paletteEntries * 4;


        imageSize = (destScanlineBytes + padding) * h;
        fileSize = imageSize + offset;
        headerSize = 40;


        long headPos = stream.getStreamPosition();


        writeFileHeader(fileSize, offset);


        writeInfoHeader(headerSize, bitsPerPixel);


        // compression
        stream.writeInt(compressionType);


        // imageSize
        stream.writeInt(imageSize);


        // xPelsPerMeter
        stream.writeInt(xPelsPerMeter);


        // yPelsPerMeter
        stream.writeInt(yPelsPerMeter);


        // Colors Used
        stream.writeInt(colorsUsed);


        // Colors Important
        stream.writeInt(colorsImportant);


        // palette
        if (isPalette == true) {


            // write palette
            if (compressionType == BMPConstants.BI_BITFIELDS) {
                // write masks for red, green and blue components.
                for (int i=0; i<3; i++) {
                    int mask = (a[i]&0xFF) + ((r[i]&0xFF)*0x100) + ((g[i]&0xFF)*0x10000) + ((b[i]&0xFF)*0x1000000);
                    stream.writeInt(mask);
                }
            } else {
                for (int i=0; i<paletteEntries; i++) {
                    stream.writeByte(b[i]);
                    stream.writeByte(g[i]);
                    stream.writeByte(r[i]);
                    stream.writeByte(a[i]);
                }
            }
        }


        // Writing of actual image data
        int scanlineBytes = w * numBands;


        // Buffer for up to 8 rows of pixels
        int[] pixels = new int[scanlineBytes * scaleX];


        // Also create a buffer to hold one line of the data
        // to be written to the file, so we can use array writes.
        bpixels = new byte[destScanlineBytes];


        int l;


        if (compressionType == BMPConstants.BI_JPEG ||
            compressionType == BMPConstants.BI_PNG) {


            // prepare embedded buffer
            embedded_stream = new ByteArrayOutputStream();
            writeEmbedded(image, bmpParam);
            // update the file/image Size
            embedded_stream.flush();
            imageSize = embedded_stream.size();


            long endPos = stream.getStreamPosition();
            fileSize = (int)(offset + imageSize);
            stream.seek(headPos);
            writeSize(fileSize, 2);
            stream.seek(headPos);
            writeSize(imageSize, 34);
            stream.seek(endPos);
            stream.write(embedded_stream.toByteArray());
            embedded_stream = null;


            if (abortRequested()) {
                processWriteAborted();
            } else {
                processImageComplete();
                stream.flushBefore(stream.getStreamPosition());
            }


            return;
        }


        isTopDown = bmpParam.isTopDown();


        int maxBandOffset = bandOffsets[0];
        for (int i = 1; i < bandOffsets.length; i++)
            if (bandOffsets[i] > maxBandOffset)
                maxBandOffset = bandOffsets[i];


        int[] pixel = new int[maxBandOffset + 1];


        int destScanlineLength = destScanlineBytes;


        if (noTransform && noSubband) {
            destScanlineLength = destScanlineBytes / (DataBuffer.getDataTypeSize(dataType)>>3);
        }
        for (int i = 0; i < h; i++) {
            if (abortRequested()) {
                break;
            }


            int row = minY + i;


            if (!isTopDown)
                row = minY + h - i -1;


            // Get the pixels
            Raster src = inputRaster;


            Rectangle srcRect =
                new Rectangle(minX * scaleX + xOffset,
                              row * scaleY + yOffset,
                              (w - 1)* scaleX + 1,
                              1);
            if (!writeRaster)
                src = input.getData(srcRect);


            if (noTransform && noSubband) {
                SampleModel sm = src.getSampleModel();
                int pos = 0;
                int startX = srcRect.x - src.getSampleModelTranslateX();

View Full Code Here

     *
     * @param renderContext The RenderContext to use to perform the rendering.
     * @return a RenderedImage containing the desired output image.
     */
    public RenderedImage createRendering(RenderContext renderContext) {
        RenderedImage image = null;
        RenderContext rcOut = null;


        // Clone the original ParameterBlock; if the ParameterBlock
        // contains RenderableImage sources, they will be replaced by
        // RenderedImages.
        ParameterBlock renderedParamBlock = (ParameterBlock)paramBlock.clone();
        Vector sources = getRenderableSources();


        try {
            // This assumes that if there is no renderable source, that there
            // is a rendered source in paramBlock


            if (sources != null) {
                Vector renderedSources = new Vector();
                for (int i = 0; i < sources.size(); i++) {
                    rcOut = myCRIF.mapRenderContext(i, renderContext,
                                                    paramBlock, this);
                    RenderedImage rdrdImage =
                       ((RenderableImage)sources.elementAt(i)).createRendering(rcOut);
                    if (rdrdImage == null) {
                        return null;
                    }

View Full Code Here

                       IIOMetadata sm,
                       IIOImage iioimage,
                       ImageWriteParam p) throws IOException {
        clearAbortRequest();


        RenderedImage image = iioimage.getRenderedImage();


        // Check for ability to encode image.
        if (needToCreateIndex(image)) {
            image = PaletteBuilder.createIndexedImage(image);
            iioimage.setRenderedImage(image);
        }


        ColorModel colorModel = image.getColorModel();
        SampleModel sampleModel = image.getSampleModel();


        // Determine source region and destination dimensions.
        Rectangle sourceBounds = new Rectangle(image.getMinX(),
                                               image.getMinY(),
                                               image.getWidth(),
                                               image.getHeight());
        Dimension destSize = new Dimension();
        computeRegions(sourceBounds, destSize, p);


        // Convert any provided image metadata.
        GIFWritableImageMetadata imageMetadata = null;

View Full Code Here

        }
        if (image.hasRaster()) {
            throw new UnsupportedOperationException("image has a Raster!");
        }


        RenderedImage im = image.getRenderedImage();
        SampleModel sampleModel = im.getSampleModel();
        this.numBands = sampleModel.getNumBands();


        // Set source region and subsampling to default values
        this.sourceXOffset = im.getMinX();
        this.sourceYOffset = im.getMinY();
        this.sourceWidth = im.getWidth();
        this.sourceHeight = im.getHeight();
        this.sourceBands = null;
        this.periodX = 1;
        this.periodY = 1;


        if (param != null) {
            // Get source region and subsampling factors
            Rectangle sourceRegion = param.getSourceRegion();
            if (sourceRegion != null) {
                Rectangle imageBounds = new Rectangle(im.getMinX(),
                                                      im.getMinY(),
                                                      im.getWidth(),
                                                      im.getHeight());
                // Clip to actual image bounds
                sourceRegion = sourceRegion.intersection(imageBounds);
                sourceXOffset = sourceRegion.x;
                sourceYOffset = sourceRegion.y;
                sourceWidth = sourceRegion.width;

View Full Code Here

        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 =

View Full Code Here

        }


        // 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());


                // Ensure the Raster has dimensions of the image,
                // 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;
        // Consult the param to determine if we're writing a subset


        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++) {
                bandSizes[i] = tempSize[0];  // All the same
            }
        }


        for (int i = 0; i < bandSizes.length; i++) {
            // 4450894 part 1: The IJG libraries are compiled so they only
            // handle <= 8-bit samples.  We now check the band sizes and throw
            // an exception for images, such as USHORT_GRAY, with > 8 bits
            // per sample.
            if (bandSizes[i] > 8) {
                throw new IIOException("Sample size must be <= 8");
            }
            // 4450894 part 2: We expand IndexColorModel images to full 24-
            // or 32-bit in grabPixels() for each scanline.  For indexed
            // images such as BYTE_BINARY, we need to ensure that we update
            // bandSizes to account for the scaling from 1-bit band sizes
            // 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;
            // We'll handle the metadata case later
            }


            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


        ignoreJFIF = false;  // If it's there, use it
        ignoreAdobe = false;  // If it's there, use it
        newAdobeTransform = JPEG.ADOBE_IMPOSSIBLE;  // Change if needed
        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);
        }


        iccProfile = null;  // By default don't write one
        convertTosRGB = false;  // PhotoYCC does this
        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 { // no metadata, but there is a dest type
                // 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();
                        }
                    }

View Full Code Here

TOP

Related Classes of ae.java.awt.image.RenderedImage

ae.com.sun.imageio.plugins.bmp.BMPImageWriter

ae.com.sun.imageio.plugins.gif.GIFImageWriter

ae.com.sun.imageio.plugins.jpeg.JPEGImageWriter

ae.com.sun.imageio.plugins.png.PNGImageWriter

ae.com.sun.imageio.plugins.wbmp.WBMPImageWriter

ae.java.awt.image.renderable.RenderableImageOp

ae.java.awt.image.renderable.RenderableImageProducer

ae.sun.java2d.SunGraphics2D

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.