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

Example 16 with RasterFormatException

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

the class ByteComponentRaster method verify.

/**
     * Verify that the layout parameters are consistent with the data.
     *
     * The method verifies whether scanline stride and pixel stride do not
     * cause an integer overflow during calculation of a position of the pixel
     * in data buffer. It also verifies whether the data buffer has enough data
     *  to correspond the raster layout attributes.
     *
     * @throws RasterFormatException if an integer overflow is detected,
     * or if data buffer has not enough capacity.
     */
protected final void verify() {
    /* Need to re-verify the dimensions since a sample model may be
         * specified to the constructor
         */
    if (width <= 0 || height <= 0 || height > (Integer.MAX_VALUE / width)) {
        throw new RasterFormatException("Invalid raster dimension");
    }
    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");
        }
    }
    if ((long) minX - sampleModelTranslateX < 0 || (long) minY - sampleModelTranslateY < 0) {
        throw new RasterFormatException("Incorrect origin/translate: (" + minX + ", " + minY + ") / (" + sampleModelTranslateX + ", " + sampleModelTranslateY + ")");
    }
    // we can be sure that width and height are greater than 0
    if (scanlineStride < 0 || scanlineStride > (Integer.MAX_VALUE / height)) {
        // integer overflow
        throw new RasterFormatException("Incorrect scanline stride: " + scanlineStride);
    }
    if (height > 1 || minY - sampleModelTranslateY > 0) {
        // buffer should contain at least one scanline
        if (scanlineStride > data.length) {
            throw new RasterFormatException("Incorrect scanline stride: " + scanlineStride);
        }
    }
    int lastScanOffset = (height - 1) * scanlineStride;
    if (pixelStride < 0 || pixelStride > (Integer.MAX_VALUE / width) || pixelStride > data.length) {
        // integer overflow
        throw new RasterFormatException("Incorrect pixel stride: " + pixelStride);
    }
    int lastPixelOffset = (width - 1) * pixelStride;
    if (lastPixelOffset > (Integer.MAX_VALUE - lastScanOffset)) {
        // integer overflow
        throw new RasterFormatException("Incorrect raster attributes");
    }
    lastPixelOffset += lastScanOffset;
    int index;
    int maxIndex = 0;
    for (int i = 0; i < numDataElements; i++) {
        if (dataOffsets[i] > (Integer.MAX_VALUE - lastPixelOffset)) {
            throw new RasterFormatException("Incorrect band offset: " + dataOffsets[i]);
        }
        index = lastPixelOffset + dataOffsets[i];
        if (index > maxIndex) {
            maxIndex = index;
        }
    }
    if (data.length <= maxIndex) {
        throw new RasterFormatException("Data array too small (should be > " + maxIndex + " )");
    }
}

Example 17 with RasterFormatException

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

the class RasterWithMinXTest method main.

public static void main(String[] args) {
    String format = "jpeg";
    // Set output file.
    ImageOutputStream output = new MemoryCacheImageOutputStream(new ByteArrayOutputStream());
    // Create image.
    BufferedImage bi = new BufferedImage(256, 256, BufferedImage.TYPE_3BYTE_BGR);
    // Populate image.
    int[] rgbArray = new int[256];
    for (int i = 0; i < 256; i++) {
        Arrays.fill(rgbArray, i);
        bi.setRGB(0, i, 256, 1, rgbArray, 0, 256);
    }
    // create translated raster in order to get non-zero minX and minY
    WritableRaster r = (WritableRaster) bi.getRaster().createTranslatedChild(64, 64);
    Iterator i = ImageIO.getImageWritersByFormatName(format);
    ImageWriter iw = null;
    while (i.hasNext() && iw == null) {
        Object o = i.next();
        if (o instanceof com.sun.imageio.plugins.jpeg.JPEGImageWriter) {
            iw = (ImageWriter) o;
        }
    }
    if (iw == null) {
        throw new RuntimeException("No available image writer");
    }
    ImageWriteParam iwp = iw.getDefaultWriteParam();
    IIOMetadata metadata = iw.getDefaultImageMetadata(new ImageTypeSpecifier(bi.getColorModel(), r.getSampleModel()), iwp);
    IIOImage img = new IIOImage(r, null, metadata);
    iw.setOutput(output);
    try {
        iw.write(img);
    } catch (RasterFormatException e) {
        e.printStackTrace();
        throw new RuntimeException("RasterException occurs. Test Failed!");
    } catch (Exception ex) {
        ex.printStackTrace();
        throw new RuntimeException("Unexpected Exception");
    }
    // test case of theImageWriteParam with non-null sourceRegion
    iwp.setSourceRegion(new Rectangle(32, 32, 192, 192));
    metadata = iw.getDefaultImageMetadata(new ImageTypeSpecifier(bi.getColorModel(), r.getSampleModel()), iwp);
    try {
        iw.write(metadata, img, iwp);
    } catch (RasterFormatException e) {
        e.printStackTrace();
        throw new RuntimeException("SetSourceRegion causes the RasterException. Test Failed!");
    } catch (Exception ex) {
        ex.printStackTrace();
        throw new RuntimeException("Unexpected Exception");
    }
}