List of usage examples for javax.imageio.stream ImageInputStream close
void close() throws IOException;
From source file:com.occamlab.te.parsers.ImageParser.java
/** * Determines the width of the first image in an image file in pixels. * //w w w . j av a2 s . c om * @param imageLoc * the string location of the image (uri syntax expected) * @return int the image width in pixels, or -1 if unable. * @author Paul Daisey added 2011-05-13 to support WMTS ETS */ public static int getImageWidth(String imageLoc) { // Get the image as an InputStream InputStream is = null; try { URI imageUri = new URI(imageLoc); URL imageUrl = imageUri.toURL(); is = imageUrl.openStream(); } catch (Exception e) { jlogger.log(Level.SEVERE, "getImageWidth", e); return -1; } // Determine the image width try { // Create an image input stream on the image ImageInputStream iis = ImageIO.createImageInputStream(is); // Find all image readers that recognize the image format Iterator iter = ImageIO.getImageReaders(iis); // No readers found if (!iter.hasNext()) { return -1; } // Use the first reader ImageReader reader = (ImageReader) iter.next(); reader.setInput(iis, true); int width = reader.getWidth(0); iis.close(); return width; } catch (IOException e) { jlogger.log(Level.SEVERE, "getImageWidth", e); // The image could not be read } return -1; }
From source file:com.occamlab.te.parsers.ImageParser.java
/** * Determines the height of the first image in an image file in pixels. * /*from w w w .j a v a 2 s . co m*/ * @param imageLoc * the string location of the image (uri syntax expected) * @return int the image width in pixels, or -1 if unable. * @author Paul Daisey added 2011-05-13 to support WMTS ETS */ public static int getImageHeight(String imageLoc) { // Get the image as an InputStream InputStream is = null; try { URI imageUri = new URI(imageLoc); URL imageUrl = imageUri.toURL(); is = imageUrl.openStream(); } catch (Exception e) { jlogger.log(Level.SEVERE, "getImageWidth", e); return -1; } // Determine the image width try { // Create an image input stream on the image ImageInputStream iis = ImageIO.createImageInputStream(is); // Find all image readers that recognize the image format Iterator iter = ImageIO.getImageReaders(iis); // No readers found if (!iter.hasNext()) { return -1; } // Use the first reader ImageReader reader = (ImageReader) iter.next(); reader.setInput(iis, true); int height = reader.getHeight(0); iis.close(); return height; } catch (IOException e) { jlogger.log(Level.SEVERE, "getImageWidth", e); // The image could not be read } return -1; }
From source file:VASSAL.tools.io.IOUtilsTest.java
@Test public void testCloseQuietlyImageInputStreamClosed() throws IOException { final ImageInputStream in = new MemoryCacheImageInputStream(new ClosedInputStream()); in.close(); IOUtils.closeQuietly(in);//from ww w . j a v a2s . c o m }
From source file:VASSAL.tools.io.IOUtilsTest.java
@Test public void testCloseQuietlyImageInputStreamOpen() { final ImageInputStream in = new MemoryCacheImageInputStream(new NullInputStream(1000)); IOUtils.closeQuietly(in);/*from w w w .j ava2 s . co m*/ try { in.close(); fail(); } catch (IOException e) { // This, oddly, the expected behavior of close(). } }
From source file:it.tidalwave.imageio.test.ImageReaderTestSupport.java
/******************************************************************************************************************* * //from ww w. j ava2 s . c om * ******************************************************************************************************************/ protected void close(final ImageReader ir) throws IOException { final ImageInputStream iis = (ImageInputStream) ir.getInput(); iis.close(); ir.dispose(); }
From source file:org.exoplatform.wcm.notification.plugin.FileActivityChildPlugin.java
private int getImageWidth(Node node) { int imageWidth = 0; try {//from w w w.j ava 2 s . c om if (node.hasNode(NodetypeConstant.JCR_CONTENT)) node = node.getNode(NodetypeConstant.JCR_CONTENT); ImageReader reader = ImageIO.getImageReadersByMIMEType(mimeType).next(); ImageInputStream iis = ImageIO.createImageInputStream(node.getProperty("jcr:data").getStream()); reader.setInput(iis, true); imageWidth = reader.getWidth(0); iis.close(); reader.dispose(); } catch (RepositoryException | IOException e) { if (LOG.isWarnEnabled()) { LOG.warn("Can not get image width in " + this.getClass().getName()); } } return imageWidth; }
From source file:org.exoplatform.wcm.notification.plugin.FileActivityChildPlugin.java
private int getImageHeight(Node node) { int imageHeight = 0; try {// w w w .j ava2s . com if (node.hasNode(NodetypeConstant.JCR_CONTENT)) node = node.getNode(NodetypeConstant.JCR_CONTENT); ImageReader reader = ImageIO.getImageReadersByMIMEType(mimeType).next(); ImageInputStream iis = ImageIO.createImageInputStream(node.getProperty("jcr:data").getStream()); reader.setInput(iis, true); imageHeight = reader.getHeight(0); iis.close(); reader.dispose(); } catch (RepositoryException | IOException e) { if (LOG.isWarnEnabled()) { LOG.warn("Can not get image height in " + this.getClass().getName()); } } return imageHeight; }
From source file:org.carcv.core.model.file.FileCarImage.java
/** * Reads a rectangular region from an image in the inStream. * * @param inStream the InputStream from which to load the image fraction * @param rect specifies the rectangular region to load as the image * @throws IOException if an error during loading occurs *//*from w ww. jav a 2s . co m*/ public void loadFragment(InputStream inStream, Rectangle rect) throws IOException { ImageInputStream imageStream = ImageIO.createImageInputStream(inStream); ImageReader reader = ImageIO.getImageReaders(imageStream).next(); ImageReadParam param = reader.getDefaultReadParam(); param.setSourceRegion(rect); reader.setInput(imageStream, true, true); this.image = reader.read(0, param); reader.dispose(); imageStream.close(); }
From source file:org.apache.pdfbox.pdmodel.graphics.shading.Type5ShadingContext.java
private List<ShadedTriangle> collectTriangles(PDShadingType5 latticeTriangleShadingType, AffineTransform xform, Matrix matrix) throws IOException { COSDictionary cosDictionary = latticeTriangleShadingType.getCOSObject(); PDRange rangeX = latticeTriangleShadingType.getDecodeForParameter(0); PDRange rangeY = latticeTriangleShadingType.getDecodeForParameter(1); int numPerRow = latticeTriangleShadingType.getVerticesPerRow(); PDRange[] colRange = new PDRange[numberOfColorComponents]; for (int i = 0; i < numberOfColorComponents; ++i) { colRange[i] = latticeTriangleShadingType.getDecodeForParameter(2 + i); }/* w ww . j a v a 2s .com*/ List<Vertex> vlist = new ArrayList<Vertex>(); long maxSrcCoord = (long) Math.pow(2, bitsPerCoordinate) - 1; long maxSrcColor = (long) Math.pow(2, bitsPerColorComponent) - 1; COSStream cosStream = (COSStream) cosDictionary; ImageInputStream mciis = new MemoryCacheImageInputStream(cosStream.createInputStream()); try { while (true) { Vertex p; try { p = readVertex(mciis, maxSrcCoord, maxSrcColor, rangeX, rangeY, colRange, matrix, xform); vlist.add(p); } catch (EOFException ex) { break; } } } finally { mciis.close(); } int sz = vlist.size(), rowNum = sz / numPerRow; Vertex[][] latticeArray = new Vertex[rowNum][numPerRow]; List<ShadedTriangle> list = new ArrayList<ShadedTriangle>(); if (rowNum < 2) { // must have at least two rows; if not, return empty list return list; } for (int i = 0; i < rowNum; i++) { for (int j = 0; j < numPerRow; j++) { latticeArray[i][j] = vlist.get(i * numPerRow + j); } } for (int i = 0; i < rowNum - 1; i++) { for (int j = 0; j < numPerRow - 1; j++) { Point2D[] ps = new Point2D[] { latticeArray[i][j].point, latticeArray[i][j + 1].point, latticeArray[i + 1][j].point }; float[][] cs = new float[][] { latticeArray[i][j].color, latticeArray[i][j + 1].color, latticeArray[i + 1][j].color }; list.add(new ShadedTriangle(ps, cs)); ps = new Point2D[] { latticeArray[i][j + 1].point, latticeArray[i + 1][j].point, latticeArray[i + 1][j + 1].point }; cs = new float[][] { latticeArray[i][j + 1].color, latticeArray[i + 1][j].color, latticeArray[i + 1][j + 1].color }; list.add(new ShadedTriangle(ps, cs)); } } return list; }
From source file:org.hippoecm.frontend.plugins.gallery.imageutil.ScaleImageOperationTest.java
private void checkImageDimensions(ScaleImageOperation scaleOp, String mimeType, int expectedWidth, int expectedHeight) throws IOException { assertEquals(expectedWidth, scaleOp.getScaledWidth()); assertEquals(expectedHeight, scaleOp.getScaledHeight()); ImageReader reader = ImageIO.getImageReadersByMIMEType(mimeType).next(); ImageInputStream iis = null; try {/*from www.j av a2s . c o m*/ iis = ImageIO.createImageInputStream(scaleOp.getScaledData()); reader.setInput(iis); assertEquals(scaleOp.getScaledWidth(), reader.getWidth(0)); assertEquals(scaleOp.getScaledHeight(), reader.getHeight(0)); } finally { if (iis != null) { iis.close(); } } }