javax.imageio.ImageIO.getImageReadersBySuffix()方法的使用及代码示例

x33g5p2x  于2022-01-20 转载在 其他  
字(9.9k)|赞(0)|评价(0)|浏览(206)

本文整理了Java中javax.imageio.ImageIO.getImageReadersBySuffix()方法的一些代码示例，展示了ImageIO.getImageReadersBySuffix()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。ImageIO.getImageReadersBySuffix()方法的具体详情如下：
包路径：javax.imageio.ImageIO
类名称：ImageIO
方法名：getImageReadersBySuffix

ImageIO.getImageReadersBySuffix介绍

暂无

代码示例

代码示例来源：origin: coobird/thumbnailator

@Override
public String preferredOutputFormatName()
{
  String fileExtension = getExtension(destinationFile);
  if (fileExtension != null)
  {
    Iterator<ImageReader> rIter = ImageIO.getImageReadersBySuffix(fileExtension);
    
    if (rIter.hasNext())
    {
      try
      {
        return rIter.next().getFormatName();
      }
      catch (IOException e)
      {
        return ThumbnailParameter.ORIGINAL_FORMAT;
      }
    }
  }
  
  return outputFormat;
}

代码示例来源：origin: coobird/thumbnailator

Iterator<ImageReader> rIter = ImageIO.getImageReadersBySuffix(fileExtension);

代码示例来源：origin: jMonkeyEngine/jmonkeyengine

public Object load(AssetInfo info) throws IOException {
    if (ImageIO.getImageReadersBySuffix(info.getKey().getExtension()) != null){
      boolean flip = ((TextureKey) info.getKey()).isFlipY();
      InputStream in = null;
      try {
        in = info.openStream();
        Image img = load(in, flip);
        if (img == null){
          throw new AssetLoadException("The given image cannot be loaded " + info.getKey());
        }
        return img;
      } finally {
        if (in != null){
          in.close();
        }
      }
    }else{
      throw new AssetLoadException("The extension " + info.getKey().getExtension() + " is not supported");
    }
  }
}

代码示例来源：origin: haraldk/TwelveMonkeys

private boolean hasReaderForSuffix(String pSuffix) {
  if (knownSuffixes.get(pSuffix) == Boolean.TRUE) {
    return true;
  }
  try {
    // Cahce lookup
    Iterator iterator = ImageIO.getImageReadersBySuffix(pSuffix);
    if (iterator.hasNext()) {
      knownSuffixes.put(pSuffix, Boolean.TRUE);
      return true;
    }
    else {
      knownSuffixes.put(pSuffix, Boolean.FALSE);
      return false;
    }
  }
  catch (IllegalArgumentException iae) {
    return false;
  }
}

代码示例来源：origin: haraldk/TwelveMonkeys

protected void assertProviderInstalledForSuffix(final String pType, final Class<? extends ImageReader> pReaderClass) {
  assertProviderInstalled0(pType, pReaderClass, ImageIO.getImageReadersBySuffix(pType));
}

代码示例来源：origin: freeplane/freeplane

private Iterator<ImageReader> getImageReaders(final URI uri) {
  String path = uri.isOpaque() ? uri.getSchemeSpecificPart() : uri.getRawPath();
  final int suffixPos = path.lastIndexOf('.') + 1;
  if (suffixPos == 0) {
    final List<ImageReader> empty = Collections.emptyList();
    return empty.iterator();
  }
  final String suffix = path.substring(suffixPos);
  final Iterator<ImageReader> readers = ImageIO.getImageReadersBySuffix(suffix);
  return readers;
}

代码示例来源：origin: deegree/deegree3

@Override
public Object makeObject()
            throws Exception {
  ImageInputStream iis = null;
  ImageReader reader = null;
  Iterator<ImageReader> readers = getImageReadersBySuffix( "tiff" );
  while ( readers.hasNext() && !( reader instanceof TIFFImageReader ) ) {
    reader = readers.next();
  }
  iis = createImageInputStream( file );
  // already checked in provider
  reader.setInput( iis );
  return reader;
}

代码示例来源：origin: com.github.lafa.twelvemonkeyspurejava.imageio/imageio-core

private boolean hasReaderForSuffix(String pSuffix) {
  if (knownSuffixes.get(pSuffix) == Boolean.TRUE) {
    return true;
  }
  try {
    // Cahce lookup
    Iterator iterator = ImageIO.getImageReadersBySuffix(pSuffix);
    if (iterator.hasNext()) {
      knownSuffixes.put(pSuffix, Boolean.TRUE);
      return true;
    }
    else {
      knownSuffixes.put(pSuffix, Boolean.FALSE);
      return false;
    }
  }
  catch (IllegalArgumentException iae) {
    return false;
  }
}

代码示例来源：origin: com.twelvemonkeys.imageio/twelvemonkeys-imageio-core

private boolean hasReaderForSuffix(String pSuffix) {
  if (mKnownSuffixes.get(pSuffix) == Boolean.TRUE) {
    return true;
  }
  try {
    // Cahce lookup
    Iterator iterator = ImageIO.getImageReadersBySuffix(pSuffix);
    if (iterator.hasNext()) {
      mKnownSuffixes.put(pSuffix, Boolean.TRUE);
      return true;
    }
    else {
      mKnownSuffixes.put(pSuffix, Boolean.FALSE);
      return false;
    }
  }
  catch (IllegalArgumentException iae) {
    return false;
  }
}

代码示例来源：origin: senbox-org/s2tbx

/**
 * Returns an ImageReader given the input file
 *
 * @param file
 * @return
 * @throws IOException
 */
public static ImageReader getImageReader(File file) throws IOException {
  String ext = FilenameUtils.getExtension(file.getName().toLowerCase());
  ImageReader reader = null;
  Iterator<ImageReader> imageReaders = ImageIO
      .getImageReadersBySuffix(ext);
  if (imageReaders.hasNext()) {
    reader = imageReaders.next();
    ImageInputStream stream = ImageIO.createImageInputStream(file);
    reader.setInput(stream);
  }
  return reader;
}

代码示例来源：origin: UNIVALI-LITE/Portugol-Studio

private static boolean imagemEhGifAnimado(File arquivo) throws IOException
{
  ImageReader leitorImagem = ImageIO.getImageReadersBySuffix("GIF").next();
  
  try (final ImageInputStream streamImagem = ImageIO.createImageInputStream(arquivo))
  {
    leitorImagem.setInput(streamImagem);
    
    return leitorImagem.getNumImages(true) > 1;
  }
  finally
  {
    leitorImagem.dispose();
  }
}

代码示例来源：origin: elBukkit/MagicPlugin

protected Collection<BufferedImage> loadImages(ImageInputStream in)
{
  List<BufferedImage> images = new ArrayList<>();
  try {
    if (animated) {
      ImageReader reader = ImageIO.getImageReadersBySuffix("GIF").next();
      reader.setInput(in);
      frameTimes = new ArrayList<>();
      lastFrameChange = System.currentTimeMillis();
      loadGIFImages(reader, images);
      reader.dispose();
    } else {
      BufferedImage frame = ImageIO.read(in);
      if (frame != null)
      {
        images.add(frame);
      }
    }
  } catch (Exception ex) {
    ex.printStackTrace();
  }
  return images;
}

代码示例来源：origin: net.coobird/thumbnailator

@Override
public String preferredOutputFormatName()
{
  String fileExtension = getExtension(destinationFile);
  if (fileExtension != null)
  {
    Iterator<ImageReader> rIter = ImageIO.getImageReadersBySuffix(fileExtension);
    
    if (rIter.hasNext())
    {
      try
      {
        return rIter.next().getFormatName();
      }
      catch (IOException e)
      {
        return ThumbnailParameter.ORIGINAL_FORMAT;
      }
    }
  }
  
  return outputFormat;
}

代码示例来源：origin: castlabs/dashencrypt

private static Dimension getImageDimension(File imgFile) throws IOException {
  int pos = imgFile.getName().lastIndexOf(".");
  if (pos == -1)
    throw new IOException("No extension for file: " + imgFile.getAbsolutePath());
  String suffix = imgFile.getName().substring(pos + 1);
  Iterator<ImageReader> iter = ImageIO.getImageReadersBySuffix(suffix);
  while (iter.hasNext()) {
    ImageReader reader = iter.next();
    try {
      ImageInputStream stream = new FileImageInputStream(imgFile);
      reader.setInput(stream);
      int width = reader.getWidth(reader.getMinIndex());
      int height = reader.getHeight(reader.getMinIndex());
      return new Dimension(width, height);
    } catch (IOException e) {
      LOG.log(Level.WARNING, "Error reading: " + imgFile.getAbsolutePath(), e);
    } finally {
      reader.dispose();
    }
  }
  throw new IOException("Not a known image file: " + imgFile.getAbsolutePath());
}

代码示例来源：origin: org.geotools/gt2-coverageio

/**
 * Returns an {@link Iterator} containing all currently registered {@link ImageReader}s
 * that claim to be able to decode the image. The default implementation returns
 * <code>ImageIO.getImageReadersByFormatName({@link #formatName})</code>.
 *
 * @param input The input source.
 */
protected Iterator getImageReaders(final Object input) {
  if (formatName != null) {
    return ImageIO.getImageReadersByFormatName(formatName);
  }
  final File file = asFile(input);
  if (file != null) {
    final String filename = file.getName();
    final int separator = filename.lastIndexOf('.');
    if (separator >= 0) {
      final String extension = filename.substring(separator + 1);
      return ImageIO.getImageReadersBySuffix(extension);
    }
  }
  return ImageIO.getImageReaders(input);
}

代码示例来源：origin: com.twelvemonkeys.imageio/twelvemonkeys-imageio-core

protected void assertProviderInstalledForSuffix(final String pType, final Class<? extends ImageReader> pReaderClass) {
  assertProviderInstalled0(pType, pReaderClass, ImageIO.getImageReadersBySuffix(pType));
}

代码示例来源：origin: com.github.lafa.twelvemonkeyspurejava.imageio/imageio-core

protected void assertProviderInstalledForSuffix(final String pType, final Class<? extends ImageReader> pReaderClass) {
  assertProviderInstalled0(pType, pReaderClass, ImageIO.getImageReadersBySuffix(pType));
}

代码示例来源：origin: org.geoserver/gs-wms

/** Animate layers */
@org.junit.Test
public void testAnimatorLayers() throws Exception {
  final String layerName =
      MockData.BASIC_POLYGONS.getPrefix() + ":" + MockData.BASIC_POLYGONS.getLocalPart();
  String requestURL = "cite/wms/animate?&aparam=layers&avalues=MapNeatline,Buildings,Lakes";
  // check we got a gif
  MockHttpServletResponse resp = getAsServletResponse(requestURL);
  assertEquals("image/gif", resp.getContentType());
  // check it has three frames
  ByteArrayInputStream bis = getBinaryInputStream(resp);
  ImageInputStream iis = ImageIO.createImageInputStream(bis);
  ImageReader reader = ImageIO.getImageReadersBySuffix("gif").next();
  reader.setInput(iis);
  assertEquals(3, reader.getNumImages(true));
}

代码示例来源：origin: us.ihmc.thirdparty.jme/jme3-desktop

public Object load(AssetInfo info) throws IOException {
    if (ImageIO.getImageReadersBySuffix(info.getKey().getExtension()) != null){
      boolean flip = ((TextureKey) info.getKey()).isFlipY();
      InputStream in = null;
      try {
        in = info.openStream();
        Image img = load(in, flip);
        if (img == null){
          throw new AssetLoadException("The given image cannot be loaded " + info.getKey());
        }
        return img;
      } finally {
        if (in != null){
          in.close();
        }
      }
    }else{
      throw new AssetLoadException("The extension " + info.getKey().getExtension() + " is not supported");
    }
  }
}

代码示例来源：origin: org.geoserver/gs-wms

@Test
public void testTimeListAnimated() throws Exception {
  // adding a extra elevation that is simply not there, should not break
  setupVectorDimension(
      ResourceInfo.TIME, "time", DimensionPresentation.LIST, null, null, null);
  MockHttpServletResponse response =
      getAsServletResponse(
          "wms?service=WMS&version=1.1.1&request=GetMap"
              + "&bbox=-180,-90,180,90&styles=&width=80&height=40&srs=EPSG:4326"
              + "&layers="
              + getLayerId(V_TIME_ELEVATION)
              + "&time=2011-05-02,2011-05-04,2011-05-10&format="
              + GIFMapResponse.IMAGE_GIF_SUBTYPE_ANIMATED);
  // check we did not get a service exception
  assertEquals("image/gif", response.getContentType());
  // check it is a animated gif withthree frames
  ByteArrayInputStream bis = getBinaryInputStream(response);
  ImageInputStream iis = ImageIO.createImageInputStream(bis);
  ImageReader reader = ImageIO.getImageReadersBySuffix("gif").next();
  reader.setInput(iis);
  assertEquals(3, reader.getNumImages(true));
}

内容来源于网络，如有侵权，请联系作者删除！

ImageIO

相关文章

    查看更多
    微信公众号

    热门标签

    更多
    JavaquerypythonNode开发语言requestUtil数据库Table后端算法LoggerMessageElementParser

    最新文章

    更多
    • 蜀ICP备13028337号-1 大数据知识库 https://www.saoniuhuo.com © All rights reserved
    • 本站内容来源互联网,如果侵犯您的权益请联系我们删除, 联系方式：448109455@qq.com