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

Example 41 with DataBufferByte

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

the class ImageUtil method setUnpackedBinaryData.

/**
     * Copies data into the packed array of the <code>Raster</code>
     * from an array of unpacked data of the form returned by
     * <code>getUnpackedBinaryData()</code>.
     *
     * <p> If the data are binary, then the target bit will be set if
     * and only if the corresponding byte is non-zero.
     *
     * @throws IllegalArgumentException if <code>isBinary()</code> returns
     * <code>false</code> with the <code>SampleModel</code> of the
     * supplied <code>Raster</code> as argument.
     */
public static void setUnpackedBinaryData(byte[] bdata, WritableRaster raster, Rectangle rect) {
    SampleModel sm = raster.getSampleModel();
    if (!isBinary(sm)) {
        throw new IllegalArgumentException(I18N.getString("ImageUtil0"));
    }
    int rectX = rect.x;
    int rectY = rect.y;
    int rectWidth = rect.width;
    int rectHeight = rect.height;
    DataBuffer dataBuffer = raster.getDataBuffer();
    int dx = rectX - raster.getSampleModelTranslateX();
    int dy = rectY - raster.getSampleModelTranslateY();
    MultiPixelPackedSampleModel mpp = (MultiPixelPackedSampleModel) sm;
    int lineStride = mpp.getScanlineStride();
    int eltOffset = dataBuffer.getOffset() + mpp.getOffset(dx, dy);
    int bitOffset = mpp.getBitOffset(dx);
    int k = 0;
    if (dataBuffer instanceof DataBufferByte) {
        byte[] data = ((DataBufferByte) dataBuffer).getData();
        for (int y = 0; y < rectHeight; y++) {
            int bOffset = eltOffset * 8 + bitOffset;
            for (int x = 0; x < rectWidth; x++) {
                if (bdata[k++] != (byte) 0) {
                    data[bOffset / 8] |= (byte) (0x00000001 << (7 - bOffset & 7));
                }
                bOffset++;
            }
            eltOffset += lineStride;
        }
    } else if (dataBuffer instanceof DataBufferShort || dataBuffer instanceof DataBufferUShort) {
        short[] data = dataBuffer instanceof DataBufferShort ? ((DataBufferShort) dataBuffer).getData() : ((DataBufferUShort) dataBuffer).getData();
        for (int y = 0; y < rectHeight; y++) {
            int bOffset = eltOffset * 16 + bitOffset;
            for (int x = 0; x < rectWidth; x++) {
                if (bdata[k++] != (byte) 0) {
                    data[bOffset / 16] |= (short) (0x00000001 << (15 - bOffset % 16));
                }
                bOffset++;
            }
            eltOffset += lineStride;
        }
    } else if (dataBuffer instanceof DataBufferInt) {
        int[] data = ((DataBufferInt) dataBuffer).getData();
        for (int y = 0; y < rectHeight; y++) {
            int bOffset = eltOffset * 32 + bitOffset;
            for (int x = 0; x < rectWidth; x++) {
                if (bdata[k++] != (byte) 0) {
                    data[bOffset / 32] |= (int) (0x00000001 << (31 - bOffset % 32));
                }
                bOffset++;
            }
            eltOffset += lineStride;
        }
    }
}

Example 42 with DataBufferByte

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

the class PNGImageReader method createRaster.

private WritableRaster createRaster(int width, int height, int bands, int scanlineStride, int bitDepth) {
    DataBuffer dataBuffer;
    WritableRaster ras = null;
    Point origin = new Point(0, 0);
    if ((bitDepth < 8) && (bands == 1)) {
        dataBuffer = new DataBufferByte(height * scanlineStride);
        ras = Raster.createPackedRaster(dataBuffer, width, height, bitDepth, origin);
    } else if (bitDepth <= 8) {
        dataBuffer = new DataBufferByte(height * scanlineStride);
        ras = Raster.createInterleavedRaster(dataBuffer, width, height, scanlineStride, bands, bandOffsets[bands], origin);
    } else {
        dataBuffer = new DataBufferUShort(height * scanlineStride);
        ras = Raster.createInterleavedRaster(dataBuffer, width, height, scanlineStride, bands, bandOffsets[bands], origin);
    }
    return ras;
}

Example 43 with DataBufferByte

use of java.awt.image.DataBufferByte in project poi by apache.

the class TestFontRendering method bug55902mixedFontWithChineseCharacters.

// @Ignore2("This fails on some systems because fonts are rendered slightly different")
@Test
public void bug55902mixedFontWithChineseCharacters() throws IOException, FontFormatException {
    // font files need to be downloaded first via
    // ant test-scratchpad-download-resources
    String[][] fontFiles = { // Calibri is not available on *nix systems, so we need to use another similar free font
    { "build/scratchpad-test-resources/Cabin-Regular.ttf", "mapped", "Calibri" }, // for the junit test not all chars are rendered
    { "build/scratchpad-test-resources/mona.ttf", "fallback", "Cabin" } };
    // setup fonts (especially needed, when run under *nix systems)
    GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
    Map<String, String> fontMap = new HashMap<String, String>();
    Map<String, String> fallbackMap = new HashMap<String, String>();
    for (String[] fontFile : fontFiles) {
        File f = new File(fontFile[0]);
        assumeTrue("necessary font file " + f.getName() + " not downloaded.", f.exists());
        Font font = Font.createFont(Font.TRUETYPE_FONT, f);
        ge.registerFont(font);
        Map<String, String> map = ("mapped".equals(fontFile[1]) ? fontMap : fallbackMap);
        map.put(fontFile[2], font.getFamily());
    }
    InputStream is = slTests.openResourceAsStream("bug55902-mixedFontChineseCharacters.ppt");
    HSLFSlideShow ss = new HSLFSlideShow(is);
    is.close();
    Dimension pgsize = ss.getPageSize();
    HSLFSlide slide = ss.getSlides().get(0);
    // render it
    double zoom = 1;
    AffineTransform at = new AffineTransform();
    at.setToScale(zoom, zoom);
    BufferedImage imgActual = new BufferedImage((int) Math.ceil(pgsize.width * zoom), (int) Math.ceil(pgsize.height * zoom), BufferedImage.TYPE_3BYTE_BGR);
    Graphics2D graphics = imgActual.createGraphics();
    graphics.setRenderingHint(Drawable.FONT_FALLBACK, fallbackMap);
    graphics.setRenderingHint(Drawable.FONT_MAP, fontMap);
    graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    graphics.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
    graphics.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
    graphics.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON);
    graphics.setTransform(at);
    graphics.setPaint(Color.white);
    graphics.fill(new Rectangle2D.Float(0, 0, pgsize.width, pgsize.height));
    slide.draw(graphics);
    BufferedImage imgExpected = ImageIO.read(slTests.getFile("bug55902-mixedChars.png"));
    DataBufferByte expectedDB = (DataBufferByte) imgExpected.getRaster().getDataBuffer();
    DataBufferByte actualDB = (DataBufferByte) imgActual.getRaster().getDataBuffer();
    byte[] expectedData = expectedDB.getData(0);
    byte[] actualData = actualDB.getData(0);
    // allow to find out what the actual difference is in CI where this fails currently
    if (!Arrays.equals(expectedData, actualData)) {
        ImageIO.write(imgActual, "PNG", TempFile.createTempFile("TestFontRendering", ".png"));
    }
    assertArrayEquals("Expected to have matching raster-arrays, but found differences", expectedData, actualData);
    ss.close();
}

Example 44 with DataBufferByte

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

the class ROIMultiPaintManager method sampleAnalyticIntoImage.

private void sampleAnalyticIntoImage(OverlayEditorPanelJAI.ImgSubVolHelper imgSubVolHelper) {
    try {
        Extent extent = (editedGeometryAttributes == null ? originalExtent : editedGeometryAttributes.extent);
        Origin orig = (editedGeometryAttributes == null ? originalOrigin : editedGeometryAttributes.origin);
        int numX = roiComposite[0].getWidth();
        int numY = roiComposite[0].getHeight();
        int numZ = roiComposite.length;
        int dim = (roiComposite.length > 1 ? 1 : 0) + (roiComposite[0].getHeight() > 1 ? 1 : 0) + 1;
        double cX = calcCoord(imgSubVolHelper.getMousePoint().x, numX, orig.getX(), extent.getX());
        double cY = calcCoord(imgSubVolHelper.getMousePoint().y, numY, orig.getY(), extent.getY());
        double cZ = calcCoord(imgSubVolHelper.getZCenter(), numZ, orig.getZ(), extent.getZ());
        Coordinate center = new Coordinate(cX, cY, cZ);
        AnalyticSubVolume tempSV = GeometrySubVolumePanel.createAnalyticSubVolume(overlayEditorPanelJAI, dim, center, "tempSV");
        tempSV.rebind();
        for (int k = 0; k < numZ; k++) {
            double coordZ = calcCoord(k, numZ, orig.getZ(), extent.getZ());
            for (int j = 0; j < numY; j++) {
                double coordY = calcCoord(j, numY, orig.getY(), extent.getY());
                for (int i = 0; i < numX; i++) {
                    double coordX = calcCoord(i, numX, orig.getX(), extent.getX());
                    if (tempSV.isInside(coordX, coordY, coordZ, null)) {
                        ((DataBufferByte) roiComposite[k].getRaster().getDataBuffer()).getData()[j * numX + i] = (byte) (imgSubVolHelper.getCurrentSubVolHandle().getContrastColorIndex());
                    }
                }
            }
        }
    } catch (UserCancelException uce) {
    // ignore
    } catch (Exception e) {
        DialogUtils.showErrorDialog(overlayEditorPanelJAI, e.getClass().getName() + " " + e.getMessage());
    }
}

Example 45 with DataBufferByte

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

the class ROIMultiPaintManager method applyHighlightToROI.

private void applyHighlightToROI(ROIMultiPaintManager.ComboboxROIName currentComboboxROIName, boolean bOverWrite) {
    UShortImage[] roiZ = overlayEditorPanelJAI.getHighliteInfo().getRoiImages();
    // Update composite ROI
    int roiColorIndex = currentComboboxROIName.getContrastColorIndex();
    for (int i = 0; i < roiZ.length; i++) {
        short[] pixels = roiZ[i].getPixels();
        byte[] compositePixels = ((DataBufferByte) roiComposite[i].getRaster().getDataBuffer()).getData();
        for (int j = 0; j < pixels.length; j++) {
            if (pixels[j] != 0) {
                compositePixels[j] = (bOverWrite ? (byte) roiColorIndex : (compositePixels[j] == 0 ? (byte) roiColorIndex : compositePixels[j]));
            }
        }
    }
    overlayEditorPanelJAI.setAllROICompositeImage(roiComposite, OverlayEditorPanelJAI.FRAP_DATA_UPDATEROI_WITHHIGHLIGHT_PROPERTY);
    overlayEditorPanelJAI.setHighliteInfo(null, OverlayEditorPanelJAI.FRAP_DATA_UPDATEROI_WITHHIGHLIGHT_PROPERTY);
}