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Example 21 with DirectColorModel

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

the class BMPImageReader method readHeader.

/**
     * Process the image header.
     *
     * @exception IllegalStateException if source stream is not set.
     *
     * @exception IOException if image stream is corrupted.
     *
     * @exception IllegalArgumentException if the image stream does not contain
     *             a BMP image, or if a sample model instance to describe the
     *             image can not be created.
     */
protected void readHeader() throws IOException, IllegalArgumentException {
    if (gotHeader)
        return;
    if (iis == null) {
        throw new IllegalStateException("Input source not set!");
    }
    int profileData = 0, profileSize = 0;
    this.metadata = new BMPMetadata();
    iis.mark();
    // read and check the magic marker
    byte[] marker = new byte[2];
    iis.read(marker);
    if (marker[0] != 0x42 || marker[1] != 0x4d)
        throw new IllegalArgumentException(I18N.getString("BMPImageReader1"));
    // Read file size
    bitmapFileSize = iis.readUnsignedInt();
    // skip the two reserved fields
    iis.skipBytes(4);
    // Offset to the bitmap from the beginning
    bitmapOffset = iis.readUnsignedInt();
    // End File Header
    // Start BitmapCoreHeader
    long size = iis.readUnsignedInt();
    if (size == 12) {
        width = iis.readShort();
        height = iis.readShort();
    } else {
        width = iis.readInt();
        height = iis.readInt();
    }
    metadata.width = width;
    metadata.height = height;
    int planes = iis.readUnsignedShort();
    bitsPerPixel = iis.readUnsignedShort();
    //metadata.colorPlane = planes;
    metadata.bitsPerPixel = (short) bitsPerPixel;
    // As BMP always has 3 rgb bands, except for Version 5,
    // which is bgra
    numBands = 3;
    if (size == 12) {
        // Windows 2.x and OS/2 1.x
        metadata.bmpVersion = VERSION_2;
        // Classify the image type
        if (bitsPerPixel == 1) {
            imageType = VERSION_2_1_BIT;
        } else if (bitsPerPixel == 4) {
            imageType = VERSION_2_4_BIT;
        } else if (bitsPerPixel == 8) {
            imageType = VERSION_2_8_BIT;
        } else if (bitsPerPixel == 24) {
            imageType = VERSION_2_24_BIT;
        }
        // Read in the palette
        int numberOfEntries = (int) ((bitmapOffset - 14 - size) / 3);
        int sizeOfPalette = numberOfEntries * 3;
        palette = new byte[sizeOfPalette];
        iis.readFully(palette, 0, sizeOfPalette);
        metadata.palette = palette;
        metadata.paletteSize = numberOfEntries;
    } else {
        compression = iis.readUnsignedInt();
        imageSize = iis.readUnsignedInt();
        long xPelsPerMeter = iis.readInt();
        long yPelsPerMeter = iis.readInt();
        long colorsUsed = iis.readUnsignedInt();
        long colorsImportant = iis.readUnsignedInt();
        metadata.compression = (int) compression;
        metadata.xPixelsPerMeter = (int) xPelsPerMeter;
        metadata.yPixelsPerMeter = (int) yPelsPerMeter;
        metadata.colorsUsed = (int) colorsUsed;
        metadata.colorsImportant = (int) colorsImportant;
        if (size == 40) {
            // Windows 3.x and Windows NT
            switch((int) compression) {
                case BI_JPEG:
                case BI_PNG:
                    metadata.bmpVersion = VERSION_3;
                    imageType = VERSION_3_XP_EMBEDDED;
                    break;
                // No compression
                case BI_RGB:
                // 8-bit RLE compression
                case BI_RLE8:
                case // 4-bit RLE compression
                BI_RLE4:
                    // Read in the palette
                    if (bitmapOffset < (size + 14)) {
                        throw new IIOException(I18N.getString("BMPImageReader7"));
                    }
                    int numberOfEntries = (int) ((bitmapOffset - 14 - size) / 4);
                    int sizeOfPalette = numberOfEntries * 4;
                    palette = new byte[sizeOfPalette];
                    iis.readFully(palette, 0, sizeOfPalette);
                    metadata.palette = palette;
                    metadata.paletteSize = numberOfEntries;
                    if (bitsPerPixel == 1) {
                        imageType = VERSION_3_1_BIT;
                    } else if (bitsPerPixel == 4) {
                        imageType = VERSION_3_4_BIT;
                    } else if (bitsPerPixel == 8) {
                        imageType = VERSION_3_8_BIT;
                    } else if (bitsPerPixel == 24) {
                        imageType = VERSION_3_24_BIT;
                    } else if (bitsPerPixel == 16) {
                        imageType = VERSION_3_NT_16_BIT;
                        redMask = 0x7C00;
                        greenMask = 0x3E0;
                        // 0x1F;
                        blueMask = (1 << 5) - 1;
                        metadata.redMask = redMask;
                        metadata.greenMask = greenMask;
                        metadata.blueMask = blueMask;
                    } else if (bitsPerPixel == 32) {
                        imageType = VERSION_3_NT_32_BIT;
                        redMask = 0x00FF0000;
                        greenMask = 0x0000FF00;
                        blueMask = 0x000000FF;
                        metadata.redMask = redMask;
                        metadata.greenMask = greenMask;
                        metadata.blueMask = blueMask;
                    }
                    metadata.bmpVersion = VERSION_3;
                    break;
                case BI_BITFIELDS:
                    if (bitsPerPixel == 16) {
                        imageType = VERSION_3_NT_16_BIT;
                    } else if (bitsPerPixel == 32) {
                        imageType = VERSION_3_NT_32_BIT;
                    }
                    // BitsField encoding
                    redMask = (int) iis.readUnsignedInt();
                    greenMask = (int) iis.readUnsignedInt();
                    blueMask = (int) iis.readUnsignedInt();
                    metadata.redMask = redMask;
                    metadata.greenMask = greenMask;
                    metadata.blueMask = blueMask;
                    if (colorsUsed != 0) {
                        // there is a palette
                        sizeOfPalette = (int) colorsUsed * 4;
                        palette = new byte[sizeOfPalette];
                        iis.readFully(palette, 0, sizeOfPalette);
                        metadata.palette = palette;
                        metadata.paletteSize = (int) colorsUsed;
                    }
                    metadata.bmpVersion = VERSION_3_NT;
                    break;
                default:
                    throw new IIOException(I18N.getString("BMPImageReader2"));
            }
        } else if (size == 108 || size == 124) {
            // Windows 4.x BMP
            if (size == 108)
                metadata.bmpVersion = VERSION_4;
            else if (size == 124)
                metadata.bmpVersion = VERSION_5;
            // rgb masks, valid only if comp is BI_BITFIELDS
            redMask = (int) iis.readUnsignedInt();
            greenMask = (int) iis.readUnsignedInt();
            blueMask = (int) iis.readUnsignedInt();
            // Only supported for 32bpp BI_RGB argb
            alphaMask = (int) iis.readUnsignedInt();
            long csType = iis.readUnsignedInt();
            int redX = iis.readInt();
            int redY = iis.readInt();
            int redZ = iis.readInt();
            int greenX = iis.readInt();
            int greenY = iis.readInt();
            int greenZ = iis.readInt();
            int blueX = iis.readInt();
            int blueY = iis.readInt();
            int blueZ = iis.readInt();
            long gammaRed = iis.readUnsignedInt();
            long gammaGreen = iis.readUnsignedInt();
            long gammaBlue = iis.readUnsignedInt();
            if (size == 124) {
                metadata.intent = iis.readInt();
                profileData = iis.readInt();
                profileSize = iis.readInt();
                iis.skipBytes(4);
            }
            metadata.colorSpace = (int) csType;
            if (csType == LCS_CALIBRATED_RGB) {
                // All the new fields are valid only for this case
                metadata.redX = redX;
                metadata.redY = redY;
                metadata.redZ = redZ;
                metadata.greenX = greenX;
                metadata.greenY = greenY;
                metadata.greenZ = greenZ;
                metadata.blueX = blueX;
                metadata.blueY = blueY;
                metadata.blueZ = blueZ;
                metadata.gammaRed = (int) gammaRed;
                metadata.gammaGreen = (int) gammaGreen;
                metadata.gammaBlue = (int) gammaBlue;
            }
            // Read in the palette
            int numberOfEntries = (int) ((bitmapOffset - 14 - size) / 4);
            int sizeOfPalette = numberOfEntries * 4;
            palette = new byte[sizeOfPalette];
            iis.readFully(palette, 0, sizeOfPalette);
            metadata.palette = palette;
            metadata.paletteSize = numberOfEntries;
            switch((int) compression) {
                case BI_JPEG:
                case BI_PNG:
                    if (size == 108) {
                        imageType = VERSION_4_XP_EMBEDDED;
                    } else if (size == 124) {
                        imageType = VERSION_5_XP_EMBEDDED;
                    }
                    break;
                default:
                    if (bitsPerPixel == 1) {
                        imageType = VERSION_4_1_BIT;
                    } else if (bitsPerPixel == 4) {
                        imageType = VERSION_4_4_BIT;
                    } else if (bitsPerPixel == 8) {
                        imageType = VERSION_4_8_BIT;
                    } else if (bitsPerPixel == 16) {
                        imageType = VERSION_4_16_BIT;
                        if ((int) compression == BI_RGB) {
                            redMask = 0x7C00;
                            greenMask = 0x3E0;
                            blueMask = 0x1F;
                        }
                    } else if (bitsPerPixel == 24) {
                        imageType = VERSION_4_24_BIT;
                    } else if (bitsPerPixel == 32) {
                        imageType = VERSION_4_32_BIT;
                        if ((int) compression == BI_RGB) {
                            redMask = 0x00FF0000;
                            greenMask = 0x0000FF00;
                            blueMask = 0x000000FF;
                        }
                    }
                    metadata.redMask = redMask;
                    metadata.greenMask = greenMask;
                    metadata.blueMask = blueMask;
                    metadata.alphaMask = alphaMask;
            }
        } else {
            throw new IIOException(I18N.getString("BMPImageReader3"));
        }
    }
    if (height > 0) {
        // bottom up image
        isBottomUp = true;
    } else {
        // top down image
        isBottomUp = false;
        height = Math.abs(height);
    }
    // Reset Image Layout so there's only one tile.
    //Define the color space
    ColorSpace colorSpace = ColorSpace.getInstance(ColorSpace.CS_sRGB);
    if (metadata.colorSpace == PROFILE_LINKED || metadata.colorSpace == PROFILE_EMBEDDED) {
        iis.mark();
        iis.skipBytes(profileData - size);
        byte[] profile = new byte[profileSize];
        iis.readFully(profile, 0, profileSize);
        iis.reset();
        try {
            if (metadata.colorSpace == PROFILE_LINKED && isLinkedProfileAllowed() && !isUncOrDevicePath(profile)) {
                String path = new String(profile, "windows-1252");
                colorSpace = new ICC_ColorSpace(ICC_Profile.getInstance(path));
            } else {
                colorSpace = new ICC_ColorSpace(ICC_Profile.getInstance(profile));
            }
        } catch (Exception e) {
            colorSpace = ColorSpace.getInstance(ColorSpace.CS_sRGB);
        }
    }
    if (bitsPerPixel == 0 || compression == BI_JPEG || compression == BI_PNG) {
        // the colorModel and sampleModel will be initialzed
        // by the  reader of embedded image
        colorModel = null;
        sampleModel = null;
    } else if (bitsPerPixel == 1 || bitsPerPixel == 4 || bitsPerPixel == 8) {
        // When number of bitsPerPixel is <= 8, we use IndexColorModel.
        numBands = 1;
        if (bitsPerPixel == 8) {
            int[] bandOffsets = new int[numBands];
            for (int i = 0; i < numBands; i++) {
                bandOffsets[i] = numBands - 1 - i;
            }
            sampleModel = new PixelInterleavedSampleModel(DataBuffer.TYPE_BYTE, width, height, numBands, numBands * width, bandOffsets);
        } else {
            // 1 and 4 bit pixels can be stored in a packed format.
            sampleModel = new MultiPixelPackedSampleModel(DataBuffer.TYPE_BYTE, width, height, bitsPerPixel);
        }
        // Create IndexColorModel from the palette.
        byte[] r, g, b;
        if (imageType == VERSION_2_1_BIT || imageType == VERSION_2_4_BIT || imageType == VERSION_2_8_BIT) {
            size = palette.length / 3;
            if (size > 256) {
                size = 256;
            }
            int off;
            r = new byte[(int) size];
            g = new byte[(int) size];
            b = new byte[(int) size];
            for (int i = 0; i < (int) size; i++) {
                off = 3 * i;
                b[i] = palette[off];
                g[i] = palette[off + 1];
                r[i] = palette[off + 2];
            }
        } else {
            size = palette.length / 4;
            if (size > 256) {
                size = 256;
            }
            int off;
            r = new byte[(int) size];
            g = new byte[(int) size];
            b = new byte[(int) size];
            for (int i = 0; i < size; i++) {
                off = 4 * i;
                b[i] = palette[off];
                g[i] = palette[off + 1];
                r[i] = palette[off + 2];
            }
        }
        if (ImageUtil.isIndicesForGrayscale(r, g, b))
            colorModel = ImageUtil.createColorModel(null, sampleModel);
        else
            colorModel = new IndexColorModel(bitsPerPixel, (int) size, r, g, b);
    } else if (bitsPerPixel == 16) {
        numBands = 3;
        sampleModel = new SinglePixelPackedSampleModel(DataBuffer.TYPE_USHORT, width, height, new int[] { redMask, greenMask, blueMask });
        colorModel = new DirectColorModel(colorSpace, 16, redMask, greenMask, blueMask, 0, false, DataBuffer.TYPE_USHORT);
    } else if (bitsPerPixel == 32) {
        numBands = alphaMask == 0 ? 3 : 4;
        // The number of bands in the SampleModel is determined by
        // the length of the mask array passed in.
        int[] bitMasks = numBands == 3 ? new int[] { redMask, greenMask, blueMask } : new int[] { redMask, greenMask, blueMask, alphaMask };
        sampleModel = new SinglePixelPackedSampleModel(DataBuffer.TYPE_INT, width, height, bitMasks);
        colorModel = new DirectColorModel(colorSpace, 32, redMask, greenMask, blueMask, alphaMask, false, DataBuffer.TYPE_INT);
    } else {
        numBands = 3;
        // Create SampleModel
        int[] bandOffsets = new int[numBands];
        for (int i = 0; i < numBands; i++) {
            bandOffsets[i] = numBands - 1 - i;
        }
        sampleModel = new PixelInterleavedSampleModel(DataBuffer.TYPE_BYTE, width, height, numBands, numBands * width, bandOffsets);
        colorModel = ImageUtil.createColorModel(colorSpace, sampleModel);
    }
    originalSampleModel = sampleModel;
    originalColorModel = colorModel;
    // Reset to the start of bitmap; then jump to the
    //start of image data
    iis.reset();
    iis.skipBytes(bitmapOffset);
    gotHeader = true;
}
Also used : PixelInterleavedSampleModel(java.awt.image.PixelInterleavedSampleModel) ColorSpace(java.awt.color.ColorSpace) ICC_ColorSpace(java.awt.color.ICC_ColorSpace) SinglePixelPackedSampleModel(java.awt.image.SinglePixelPackedSampleModel) MultiPixelPackedSampleModel(java.awt.image.MultiPixelPackedSampleModel) IIOException(javax.imageio.IIOException) Point(java.awt.Point) IIOException(javax.imageio.IIOException) ICC_ColorSpace(java.awt.color.ICC_ColorSpace) DirectColorModel(java.awt.image.DirectColorModel) IndexColorModel(java.awt.image.IndexColorModel)

Example 22 with DirectColorModel

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

the class Robot method createScreenCapture.

/**
     * Creates an image containing pixels read from the screen.  This image does
     * not include the mouse cursor.
     * @param   screenRect      Rect to capture in screen coordinates
     * @return  The captured image
     * @throws  IllegalArgumentException if <code>screenRect</code> width and height are not greater than zero
     * @throws  SecurityException if <code>readDisplayPixels</code> permission is not granted
     * @see     SecurityManager#checkPermission
     * @see     AWTPermission
     */
public synchronized BufferedImage createScreenCapture(Rectangle screenRect) {
    checkScreenCaptureAllowed();
    checkValidRect(screenRect);
    BufferedImage image;
    DataBufferInt buffer;
    WritableRaster raster;
    if (screenCapCM == null) {
        /*
             * Fix for 4285201
             * Create a DirectColorModel equivalent to the default RGB ColorModel,
             * except with no Alpha component.
             */
        screenCapCM = new DirectColorModel(24, /* red mask */
        0x00FF0000, /* green mask */
        0x0000FF00, /* blue mask */
        0x000000FF);
    }
    // need to sync the toolkit prior to grabbing the pixels since in some
    // cases rendering to the screen may be delayed
    Toolkit.getDefaultToolkit().sync();
    int[] pixels;
    int[] bandmasks = new int[3];
    Rectangle devScreenRect = screenRect.getBounds();
    // devScreenRect is IN/OUT param
    pixels = peer.getRGBPixels(devScreenRect);
    buffer = new DataBufferInt(pixels, pixels.length);
    bandmasks[0] = screenCapCM.getRedMask();
    bandmasks[1] = screenCapCM.getGreenMask();
    bandmasks[2] = screenCapCM.getBlueMask();
    raster = Raster.createPackedRaster(buffer, devScreenRect.width, devScreenRect.height, devScreenRect.width, bandmasks, null);
    SunWritableRaster.makeTrackable(buffer);
    image = new BufferedImage(screenCapCM, raster, false, null);
    return image;
}
Also used : SunWritableRaster(sun.awt.image.SunWritableRaster) WritableRaster(java.awt.image.WritableRaster) DirectColorModel(java.awt.image.DirectColorModel) DataBufferInt(java.awt.image.DataBufferInt) BufferedImage(java.awt.image.BufferedImage)

Example 23 with DirectColorModel

use of java.awt.image.DirectColorModel in project vcell by virtualcell.

the class NativeImage method createPixels.

/**
 * This method was created in VisualAge.
 * @return byte[]
 */
private void createPixels() throws Exception {
    if (bPixelsExist()) {
        return;
    }
    PixelGrabber pg = new PixelGrabber(getJavaImage(), 0, 0, getSize().getX(), getSize().getX(), false);
    if (!pg.grabPixels()) {
        throw new Exception("Error getting pixels, status = " + pg.getStatus());
    }
    Object pixels = pg.getPixels();
    ColorModel colorModel = null;
    while (colorModel == null) {
        colorModel = pg.getColorModel();
    }
    if ((pixels instanceof int[]) && (colorModel instanceof DirectColorModel)) {
        newRGBAPixels = (int[]) pixels;
    } else if ((pixels instanceof byte[]) && (colorModel instanceof IndexColorModel)) {
        newIndexPixels = (byte[]) pixels;
        IndexColorModel indexColorModel = (IndexColorModel) colorModel;
        int colorMapSize = indexColorModel.getMapSize();
        byte[] temp_colorMap = new byte[colorMapSize * IndexColorMap.RGB_PACK_SIZE];
        byte[] reds = new byte[colorMapSize];
        indexColorModel.getReds(reds);
        byte[] greens = new byte[colorMapSize];
        indexColorModel.getGreens(greens);
        byte[] blues = new byte[colorMapSize];
        indexColorModel.getBlues(blues);
        for (int c = 0; c < colorMapSize; c += 1) {
            // make packed R,G,B array for ColorIndexModel
            int packCount = c * IndexColorMap.RGB_PACK_SIZE;
            temp_colorMap[packCount] = reds[c];
            temp_colorMap[packCount + 1] = greens[c];
            temp_colorMap[packCount + 2] = blues[c];
        }
        colorMap = new IndexColorMap(temp_colorMap);
    } else {
        throw new Exception("Unknown combination of data type=" + pixels.getClass().toString() + " and ColorModel=" + colorModel.getClass().toString());
    }
}
Also used : ColorModel(java.awt.image.ColorModel) DirectColorModel(java.awt.image.DirectColorModel) IndexColorModel(java.awt.image.IndexColorModel) DirectColorModel(java.awt.image.DirectColorModel) PixelGrabber(java.awt.image.PixelGrabber) IOException(java.io.IOException) IndexColorModel(java.awt.image.IndexColorModel)

Example 24 with DirectColorModel

use of java.awt.image.DirectColorModel in project Lucee by lucee.

the class Image method jpgImage.

private static BufferedImage jpgImage(BufferedImage src) {
    int w = src.getWidth();
    int h = src.getHeight();
    SampleModel srcSM = src.getSampleModel();
    WritableRaster srcWR = src.getRaster();
    java.awt.image.DataBuffer srcDB = srcWR.getDataBuffer();
    ColorModel rgb = new DirectColorModel(32, 0xff0000, 65280, 255);
    int[] bitMasks = new int[] { 0xff0000, 65280, 255 };
    SampleModel csm = new SinglePixelPackedSampleModel(3, w, h, bitMasks);
    int[] data = new int[w * h];
    for (int i = 0; i < h; i++) {
        for (int j = 0; j < w; j++) {
            int[] pix = null;
            int[] sample = srcSM.getPixel(j, i, pix, srcDB);
            if (sample[3] == 0 && sample[2] == 0 && sample[1] == 0 && sample[0] == 0)
                data[i * w + j] = 0xffffff;
            else
                data[i * w + j] = sample[0] << 16 | sample[1] << 8 | sample[2];
        }
    }
    java.awt.image.DataBuffer db = new DataBufferInt(data, w * h * 3);
    WritableRaster wr = Raster.createWritableRaster(csm, db, new Point(0, 0));
    return new BufferedImage(rgb, wr, false, null);
}
Also used : SinglePixelPackedSampleModel(java.awt.image.SinglePixelPackedSampleModel) DataBufferInt(java.awt.image.DataBufferInt) Point(java.awt.Point) Point(java.awt.Point) BufferedImage(java.awt.image.BufferedImage) SampleModel(java.awt.image.SampleModel) SinglePixelPackedSampleModel(java.awt.image.SinglePixelPackedSampleModel) WritableRaster(java.awt.image.WritableRaster) IndexColorModel(java.awt.image.IndexColorModel) DirectColorModel(java.awt.image.DirectColorModel) ComponentColorModel(java.awt.image.ComponentColorModel) PackedColorModel(java.awt.image.PackedColorModel) ColorModel(java.awt.image.ColorModel) DirectColorModel(java.awt.image.DirectColorModel)

Aggregations

DirectColorModel (java.awt.image.DirectColorModel)24 ColorModel (java.awt.image.ColorModel)15 IndexColorModel (java.awt.image.IndexColorModel)15 WritableRaster (java.awt.image.WritableRaster)12 BufferedImage (java.awt.image.BufferedImage)10 SinglePixelPackedSampleModel (java.awt.image.SinglePixelPackedSampleModel)7 Point (java.awt.Point)6 ComponentColorModel (java.awt.image.ComponentColorModel)6 SampleModel (java.awt.image.SampleModel)6 DataBufferInt (java.awt.image.DataBufferInt)5 ColorSpace (java.awt.color.ColorSpace)4 MultiPixelPackedSampleModel (java.awt.image.MultiPixelPackedSampleModel)4 ComponentSampleModel (java.awt.image.ComponentSampleModel)3 DataBuffer (java.awt.image.DataBuffer)3 Rectangle (java.awt.Rectangle)2 DataBufferByte (java.awt.image.DataBufferByte)2 PixelInterleavedSampleModel (java.awt.image.PixelInterleavedSampleModel)2 Raster (java.awt.image.Raster)2 IOException (java.io.IOException)2 PaletteData (org.eclipse.swt.graphics.PaletteData)2