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

Example 21 with Raster

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

the class GeneralCompositePipe method renderPathTile.

/**
    * GeneralCompositePipe.renderPathTile works with custom composite operator
    * provided by an application
    */
public void renderPathTile(Object ctx, byte[] atile, int offset, int tilesize, int x, int y, int w, int h) {
    TileContext context = (TileContext) ctx;
    PaintContext paintCtxt = context.paintCtxt;
    CompositeContext compCtxt = context.compCtxt;
    SunGraphics2D sg = context.sunG2D;
    Raster srcRaster = paintCtxt.getRaster(x, y, w, h);
    ColorModel paintModel = paintCtxt.getColorModel();
    Raster dstRaster;
    Raster dstIn;
    WritableRaster dstOut;
    SurfaceData sd = sg.getSurfaceData();
    dstRaster = sd.getRaster(x, y, w, h);
    if (dstRaster instanceof WritableRaster && atile == null) {
        dstOut = (WritableRaster) dstRaster;
        dstOut = dstOut.createWritableChild(x, y, w, h, 0, 0, null);
        dstIn = dstOut;
    } else {
        dstIn = dstRaster.createChild(x, y, w, h, 0, 0, null);
        dstOut = dstIn.createCompatibleWritableRaster();
    }
    compCtxt.compose(srcRaster, dstIn, dstOut);
    if (dstRaster != dstOut && dstOut.getParent() != dstRaster) {
        if (dstRaster instanceof WritableRaster && atile == null) {
            ((WritableRaster) dstRaster).setDataElements(x, y, dstOut);
        } else {
            ColorModel cm = sg.getDeviceColorModel();
            BufferedImage resImg = new BufferedImage(cm, dstOut, cm.isAlphaPremultiplied(), null);
            SurfaceData resData = BufImgSurfaceData.createData(resImg);
            if (atile == null) {
                Blit blit = Blit.getFromCache(resData.getSurfaceType(), CompositeType.SrcNoEa, sd.getSurfaceType());
                blit.Blit(resData, sd, AlphaComposite.Src, null, 0, 0, x, y, w, h);
            } else {
                MaskBlit blit = MaskBlit.getFromCache(resData.getSurfaceType(), CompositeType.SrcNoEa, sd.getSurfaceType());
                blit.MaskBlit(resData, sd, AlphaComposite.Src, null, 0, 0, x, y, w, h, atile, offset, tilesize);
            }
        }
    }
}

Example 22 with Raster

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

the class XorCopyArgbToAny method Blit.

public void Blit(SurfaceData src, SurfaceData dst, Composite comp, Region clip, int srcx, int srcy, int dstx, int dsty, int w, int h) {
    Raster srcRast = src.getRaster(srcx, srcy, w, h);
    ColorModel srcCM = src.getColorModel();
    Raster dstRast = dst.getRaster(dstx, dsty, w, h);
    IntegerComponentRaster icr = (IntegerComponentRaster) dstRast;
    int[] dstPix = icr.getDataStorage();
    Region roi = CustomComponent.getRegionOfInterest(src, dst, clip, srcx, srcy, dstx, dsty, w, h);
    SpanIterator si = roi.getSpanIterator();
    Object srcPix = null;
    int dstScan = icr.getScanlineStride();
    // assert(icr.getPixelStride() == 1);
    srcx -= dstx;
    srcy -= dsty;
    int[] span = new int[4];
    while (si.nextSpan(span)) {
        int rowoff = icr.getDataOffset(0) + span[1] * dstScan + span[0];
        for (int y = span[1]; y < span[3]; y++) {
            int off = rowoff;
            for (int x = span[0]; x < span[2]; x++) {
                srcPix = srcRast.getDataElements(x + srcx, y + srcy, srcPix);
                dstPix[off++] = srcCM.getRGB(srcPix);
            }
            rowoff += dstScan;
        }
    }
    // Pixels in the dest were modified directly, we must
    // manually notify the raster that it was modified
    icr.markDirty();
// REMIND: We need to do something to make sure that dstRast
// is put back to the destination (as in the native Release
// function)
// src.releaseRaster(srcRast);  // NOP?
// dst.releaseRaster(dstRast);
}

Example 23 with Raster

use of java.awt.image.Raster in project graphhopper by graphhopper.

the class CGIARProvider method getEle.

@Override
public double getEle(double lat, double lon) {
    // no data we can avoid the trouble
    if (lat > 60 || lat < -60)
        return 0;
    lat = (int) (lat * precision) / precision;
    lon = (int) (lon * precision) / precision;
    String name = getFileName(lat, lon);
    HeightTile demProvider = cacheData.get(name);
    if (demProvider == null) {
        if (!cacheDir.exists())
            cacheDir.mkdirs();
        int minLat = down(lat);
        int minLon = down(lon);
        // less restrictive against boundary checking
        demProvider = new HeightTile(minLat, minLon, WIDTH, degree * precision, degree);
        demProvider.setCalcMean(calcMean);
        cacheData.put(name, demProvider);
        DataAccess heights = getDirectory().find(name + ".gh");
        demProvider.setHeights(heights);
        boolean loadExisting = false;
        try {
            loadExisting = heights.loadExisting();
        } catch (Exception ex) {
            logger.warn("cannot load " + name + ", error: " + ex.getMessage());
        }
        if (!loadExisting) {
            String tifName = name + ".tif";
            String zippedURL = baseUrl + "/" + name + ".zip";
            File file = new File(cacheDir, new File(zippedURL).getName());
            // get zip file if not already in cacheDir - unzip later and in-memory only!
            if (!file.exists()) {
                try {
                    int max = 3;
                    for (int trial = 0; trial < max; trial++) {
                        try {
                            downloader.downloadFile(zippedURL, file.getAbsolutePath());
                            break;
                        } catch (SocketTimeoutException ex) {
                            // just try again after a little nap
                            Thread.sleep(sleep);
                            if (trial >= max - 1)
                                throw ex;
                            continue;
                        } catch (IOException ex) {
                            demProvider.setSeaLevel(true);
                            // use small size on disc and in-memory
                            heights.setSegmentSize(100).create(10).flush();
                            return 0;
                        }
                    }
                } catch (Exception ex) {
                    throw new RuntimeException(ex);
                }
            }
            // short == 2 bytes
            heights.create(2 * WIDTH * WIDTH);
            // logger.info("start decoding");
            // decode tiff data
            Raster raster;
            SeekableStream ss = null;
            try {
                InputStream is = new FileInputStream(file);
                ZipInputStream zis = new ZipInputStream(is);
                // find tif file in zip
                ZipEntry entry = zis.getNextEntry();
                while (entry != null && !entry.getName().equals(tifName)) {
                    entry = zis.getNextEntry();
                }
                ss = SeekableStream.wrapInputStream(zis, true);
                TIFFImageDecoder imageDecoder = new TIFFImageDecoder(ss, new TIFFDecodeParam());
                raster = imageDecoder.decodeAsRaster();
            } catch (Exception e) {
                throw new RuntimeException("Can't decode " + tifName, e);
            } finally {
                if (ss != null)
                    Helper.close(ss);
            }
            // logger.info("start converting to our format");
            final int height = raster.getHeight();
            final int width = raster.getWidth();
            int x = 0, y = 0;
            try {
                for (y = 0; y < height; y++) {
                    for (x = 0; x < width; x++) {
                        short val = (short) raster.getPixel(x, y, (int[]) null)[0];
                        if (val < -1000 || val > 12000)
                            val = Short.MIN_VALUE;
                        heights.setShort(2 * (y * WIDTH + x), val);
                    }
                }
                heights.flush();
            // TODO remove tifName and zip?
            } catch (Exception ex) {
                throw new RuntimeException("Problem at x:" + x + ", y:" + y, ex);
            }
        }
    // loadExisting
    }
    if (demProvider.isSeaLevel())
        return 0;
    return demProvider.getHeight(lat, lon);
}

Example 24 with Raster

use of java.awt.image.Raster in project jna by java-native-access.

the class AlphaMaskDemo method updateW32.

private void updateW32(boolean a, boolean i) {
    User32 user = User32.INSTANCE;
    GDI32 gdi = GDI32.INSTANCE;
    HWND hWnd = null;
    if (!alphaWindow.isDisplayable()) {
        alphaWindow.pack();
        hWnd = getHwnd(alphaWindow);
        int flags = user.GetWindowLong(hWnd, WinUser.GWL_EXSTYLE);
        flags |= WinUser.WS_EX_LAYERED;
        user.SetWindowLong(hWnd, WinUser.GWL_EXSTYLE, flags);
        Window parent = alphaWindow.getOwner();
        Point where = parent.getLocationOnScreen();
        where.translate(parent.getWidth(), 0);
        alphaWindow.setLocation(where);
    } else {
        hWnd = getHwnd(alphaWindow);
    }
    if (i) {
        int w = image.getWidth(null);
        int h = image.getHeight(null);
        HDC screenDC = user.GetDC(null);
        HDC memDC = gdi.CreateCompatibleDC(screenDC);
        HBITMAP hBitmap = null;
        HANDLE oldBitmap = null;
        try {
            BufferedImage buf = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB_PRE);
            Graphics g = buf.getGraphics();
            g.drawImage(image, 0, 0, w, h, null);
            BITMAPINFO bmi = new BITMAPINFO();
            bmi.bmiHeader.biWidth = w;
            bmi.bmiHeader.biHeight = h;
            bmi.bmiHeader.biPlanes = 1;
            bmi.bmiHeader.biBitCount = 32;
            bmi.bmiHeader.biCompression = WinGDI.BI_RGB;
            bmi.bmiHeader.biSizeImage = w * h * 4;
            PointerByReference ppbits = new PointerByReference();
            hBitmap = gdi.CreateDIBSection(memDC, bmi, WinGDI.DIB_RGB_COLORS, ppbits, null, 0);
            oldBitmap = gdi.SelectObject(memDC, hBitmap);
            Pointer pbits = ppbits.getValue();
            Raster raster = buf.getData();
            int[] pixel = new int[4];
            int[] bits = new int[w * h];
            for (int y = 0; y < h; y++) {
                for (int x = 0; x < w; x++) {
                    raster.getPixel(x, h - y - 1, pixel);
                    int alpha = (pixel[3] & 0xFF) << 24;
                    int red = (pixel[2] & 0xFF);
                    int green = (pixel[1] & 0xFF) << 8;
                    int blue = (pixel[0] & 0xFF) << 16;
                    bits[x + y * w] = alpha | red | green | blue;
                }
            }
            pbits.write(0, bits, 0, bits.length);
            SIZE size = new SIZE();
            size.cx = w;
            size.cy = h;
            POINT loc = new POINT();
            loc.x = alphaWindow.getX();
            loc.y = alphaWindow.getY();
            POINT srcLoc = new POINT();
            BLENDFUNCTION blend = new BLENDFUNCTION();
            blend.SourceConstantAlpha = (byte) (alpha * 255);
            blend.AlphaFormat = WinUser.AC_SRC_ALPHA;
            user.UpdateLayeredWindow(hWnd, screenDC, loc, size, memDC, srcLoc, 0, blend, WinUser.ULW_ALPHA);
        } finally {
            user.ReleaseDC(null, screenDC);
            if (hBitmap != null) {
                gdi.SelectObject(memDC, oldBitmap);
                gdi.DeleteObject(hBitmap);
            }
            gdi.DeleteDC(memDC);
        }
    } else if (a) {
        BLENDFUNCTION blend = new BLENDFUNCTION();
        blend.SourceConstantAlpha = (byte) (alpha * 255);
        blend.AlphaFormat = WinUser.AC_SRC_ALPHA;
        user.UpdateLayeredWindow(hWnd, null, null, null, null, null, 0, blend, WinUser.ULW_ALPHA);
    }
    if (!alphaWindow.isVisible()) {
        alphaWindow.setVisible(true);
    }
}

Example 25 with Raster

use of java.awt.image.Raster in project intellij-code-outline by sitano.

the class CodeOutlineImage method moveDataDown.

/**
     * Copies data between the given images, starting at the bottom of the
     * images and copying then moving upwards line by line. This method is
     * suitable for when the two given images are subimages of the same image,
     * and their data may overlap.
     *
     * @param from the source image
     * @param to the destination image
     */
private static void moveDataDown(BufferedImage from, BufferedImage to) {
    Raster raster = from.getRaster();
    WritableRaster outRaster = to.getRaster();
    int width = outRaster.getWidth();
    int height = outRaster.getHeight();
    int startX = outRaster.getMinX();
    int startY = outRaster.getMinY();
    Object tdata = null;
    for (int i = startY + height - 1; i >= startY; i--) {
        tdata = raster.getDataElements(startX, i, width, 1, tdata);
        outRaster.setDataElements(startX, i, width, 1, tdata);
    }
}