Examples of java.awt.image.RasterFormatException

java.awt.image.RasterFormatException
The RasterFormatException is thrown if there is invalid layout information in the {@link Raster}. @version 10 Feb 1997

            return new BlendingRgbContext(this);
        } else if (isBgrColorModel(srcColorModel) && isBgrColorModel(dstColorModel)) {
            return new BlendingBgrContext(this);
        }


        throw new RasterFormatException("Incompatible color models");
    }

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        super(sampleModel, dataBuffer, aRegion, origin, parent);
        this.maxX = minX + width;
        this.maxY = minY + height;


        if (!(dataBuffer instanceof DataBufferByte)) {
            throw new RasterFormatException("ByteInterleavedRasters must have " +
                                            "byte DataBuffers");
        }


        DataBufferByte dbb = (DataBufferByte)dataBuffer;
        this.data = stealData(dbb, 0);


        int xOffset = aRegion.x - origin.x;
        int yOffset = aRegion.y - origin.y;
        if (sampleModel instanceof PixelInterleavedSampleModel ||
            (sampleModel instanceof ComponentSampleModel &&
             isInterleaved((ComponentSampleModel)sampleModel))) {
            ComponentSampleModel csm = (ComponentSampleModel)sampleModel;
            this.scanlineStride = csm.getScanlineStride();
            this.pixelStride = csm.getPixelStride();
            this.dataOffsets = csm.getBandOffsets();
            for (int i = 0; i < getNumDataElements(); i++) {
                dataOffsets[i] += xOffset*pixelStride+yOffset*scanlineStride;
            }
        } else if (sampleModel instanceof SinglePixelPackedSampleModel) {
            SinglePixelPackedSampleModel sppsm =
                    (SinglePixelPackedSampleModel)sampleModel;
            this.packed = true;
            this.bitMasks = sppsm.getBitMasks();
            this.bitOffsets = sppsm.getBitOffsets();
            this.scanlineStride = sppsm.getScanlineStride();
            this.pixelStride = 1;
            this.dataOffsets = new int[1];
            this.dataOffsets[0] = dbb.getOffset();
            dataOffsets[0] += xOffset*pixelStride+yOffset*scanlineStride;
        } else {
            throw new RasterFormatException("ByteInterleavedRasters must " +
              "have PixelInterleavedSampleModel, SinglePixelPackedSampleModel"+
              " or interleaved ComponentSampleModel.  Sample model is " +
              sampleModel);
        }
        this.bandOffset = this.dataOffsets[0];

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    public WritableRaster createWritableChild(int x, int y,
                                              int width, int height,
                                              int x0, int y0,
                                              int[] bandList) {
        if (x < this.minX) {
            throw new RasterFormatException("x lies outside the raster");
        }
        if (y < this.minY) {
            throw new RasterFormatException("y lies outside the raster");
        }
        if ((x+width < x) || (x+width > this.minX + this.width)) {
            throw new RasterFormatException("(x + width) is outside of Raster");
        }
        if ((y+height < y) || (y+height > this.minY + this.height)) {
            throw new RasterFormatException("(y + height) is outside of Raster");
        }


        SampleModel sm;


        if (bandList != null)

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     * Creates a Raster with the same layout but using a different
     * width and height, and with new zeroed data arrays.
     */
    public WritableRaster createCompatibleWritableRaster(int w, int h) {
        if (w <= 0 || h <=0) {
            throw new RasterFormatException("negative "+
                                          ((w <= 0) ? "width" : "height"));
        }


        SampleModel sm = sampleModel.createCompatibleSampleModel(w, h);

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            if (size > maxSize) {
                maxSize = size;
            }
        }
        if (data.length < maxSize) {
            throw new RasterFormatException("Data array too small (should be "+
                                          maxSize+" )");
        }
    }

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        super(sampleModel, dataBuffer, aRegion, origin, parent);
        this.maxX = minX + width;
        this.maxY = minY + height;


        if (!(dataBuffer instanceof DataBufferByte)) {
            throw new RasterFormatException("ByteComponentRasters must have " +
                                            "byte DataBuffers");
        }


        DataBufferByte dbb = (DataBufferByte)dataBuffer;
        this.data = stealData(dbb, 0);
        if (dbb.getNumBanks() != 1) {
            throw new
                RasterFormatException("DataBuffer for ByteComponentRasters"+
                                      " must only have 1 bank.");
        }
        int dbOffset = dbb.getOffset();


        if (sampleModel instanceof ComponentSampleModel) {
            ComponentSampleModel ism = (ComponentSampleModel)sampleModel;
            this.type = IntegerComponentRaster.TYPE_BYTE_SAMPLES;
            this.scanlineStride = ism.getScanlineStride();
            this.pixelStride = ism.getPixelStride();
            this.dataOffsets = ism.getBandOffsets();
            int xOffset = aRegion.x - origin.x;
            int yOffset = aRegion.y - origin.y;
            for (int i = 0; i < getNumDataElements(); i++) {
                dataOffsets[i] += dbOffset +
                    xOffset*pixelStride+yOffset*scanlineStride;
            }
        } else if (sampleModel instanceof SinglePixelPackedSampleModel) {
            SinglePixelPackedSampleModel sppsm =
                    (SinglePixelPackedSampleModel)sampleModel;
            this.type = IntegerComponentRaster.TYPE_BYTE_PACKED_SAMPLES;
            this.scanlineStride = sppsm.getScanlineStride();
            this.pixelStride    = 1;
            this.dataOffsets = new int[1];
            this.dataOffsets[0] = dbOffset;
            int xOffset = aRegion.x - origin.x;
            int yOffset = aRegion.y - origin.y;
            dataOffsets[0] += xOffset*pixelStride+yOffset*scanlineStride;
        } else {
            throw new RasterFormatException("IntegerComponentRasters must " +
                "have ComponentSampleModel or SinglePixelPackedSampleModel");
        }
        this.bandOffset = this.dataOffsets[0];


        verify(false);

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    public WritableRaster createWritableChild(int x, int y,
                                              int width, int height,
                                              int x0, int y0,
                                              int[] bandList) {
        if (x < this.minX) {
            throw new RasterFormatException("x lies outside the raster");
        }
        if (y < this.minY) {
            throw new RasterFormatException("y lies outside the raster");
        }
        if ((x+width < x) || (x+width > this.minX + this.width)) {
            throw new RasterFormatException("(x + width) is outside of Raster");
        }
        if ((y+height < y) || (y+height > this.minY + this.height)) {
            throw new RasterFormatException("(y + height) is outside of Raster");
        }


        SampleModel sm;


        if (bandList != null)

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     * Creates a Raster with the same layout but using a different
     * width and height, and with new zeroed data arrays.
     */
    public WritableRaster createCompatibleWritableRaster(int w, int h) {
        if (w <= 0 || h <=0) {
            throw new RasterFormatException("negative "+
                                          ((w <= 0) ? "width" : "height"));
        }


        SampleModel sm = sampleModel.createCompatibleSampleModel(w, h);

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     */
    private void verify (boolean strictCheck) {
        // Make sure data for Raster is in a legal range
        for (int i=0; i < dataOffsets.length; i++) {
            if (dataOffsets[i] < 0) {
                throw new RasterFormatException("Data offsets for band "+i+
                                                "("+dataOffsets[i]+
                                                ") must be >= 0");
            }
        }


        int maxSize = 0;
        int size;


        for (int i=0; i < numDataElements; i++) {
            size = (height-1)*scanlineStride + (width-1)*pixelStride +
                dataOffsets[i];
            if (size > maxSize) {
                maxSize = size;
            }
        }
        if (data.length < maxSize) {
            throw new RasterFormatException("Data array too small (should be "+
                                          maxSize+" )");
        }
    }

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        super(sampleModel, dataBuffer, aRegion, origin, parent);
        this.maxX = minX + width;
        this.maxY = minY + height;
        if (!(dataBuffer instanceof DataBufferUShort)) {
           throw new RasterFormatException("ShortBandedRaster must have " +
                "ushort DataBuffers");
        }
        DataBufferUShort dbus = (DataBufferUShort)dataBuffer;


        if (sampleModel instanceof BandedSampleModel) {
            BandedSampleModel bsm = (BandedSampleModel)sampleModel;
            this.scanlineStride = bsm.getScanlineStride();
            int bankIndices[] = bsm.getBankIndices();
            int bandOffsets[] = bsm.getBandOffsets();
            int dOffsets[] = dbus.getOffsets();
            dataOffsets = new int[bankIndices.length];
            data = new short[bankIndices.length][];
            int xOffset = aRegion.x - origin.x;
            int yOffset = aRegion.y - origin.y;
            for (int i = 0; i < bankIndices.length; i++) {
               data[i] = stealData(dbus, bankIndices[i]);
               dataOffsets[i] = dOffsets[bankIndices[i]] +
                   xOffset + yOffset*scanlineStride + bandOffsets[i];
            }
        } else {
            throw new RasterFormatException("ShortBandedRasters must have "+
                "BandedSampleModels");
        }
        verify(false);
    }

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