Java Code Examples for javax.imageio.ImageIO.getImageReaders()
The following are Jave code examples for showing how to use
getImageReaders() of the
javax.imageio.ImageIO
class.
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Example 1
| Project: projectindoorweb File: TransformationHelper.java View Source Code | 7 votes |
/**
* Extracts the picture size of a given Image.
*
* @param path Path to the image
* @return Image-size in pixel
* @throws IOException Throws exception when file-access fails
*/
public static Dimension getPictureSize(final String path) throws IOException {
try (ImageInputStream in = ImageIO.createImageInputStream(path)) {
final Iterator<ImageReader> readers = ImageIO.getImageReaders(in);
if (readers.hasNext()) {
ImageReader reader = readers.next();
try {
reader.setInput(in);
return new Dimension(reader.getWidth(0), reader.getHeight(0));
} finally {
reader.dispose();
}
}
return null;
}
}
Example 2
| Project: fwm File: AddableImage.java View Source Code | 6 votes |
public File addImageExtension(File incoming) throws IOException {
String format = null;
ImageInputStream iis = ImageIO.createImageInputStream(incoming);
Iterator<ImageReader> imageReaders = ImageIO.getImageReaders(iis);
while (imageReaders.hasNext()) {
ImageReader reader = (ImageReader) imageReaders.next();
format = reader.getFormatName().toLowerCase();
log.debug("filetype is: " + format);
File newfile = new File("imageimage." + format);
if (newfile.exists()) {
newfile.delete();
}
Files.copy(incoming.toPath(), newfile.toPath());
incoming.delete();
return newfile;
}
return null;
}
Example 3
| Project: VASSAL-src File: ImageIOImageLoader.java View Source Code | 6 votes |
/**
* Gets the size of an image.
*
* @param name the image name
* @param in the input stream
* @return the size of the image
*
* @throws BrokenImageException if the image is faulty
* @throws UnrecognizedImageTypeException if the image type is unknown
* @throws IOException if reading the image goes wrong
*/
public Dimension run(String name, InputStream in) throws IOException {
final ImageInputStream stream = new MemoryCacheImageInputStream(in);
final Iterator<ImageReader> i = ImageIO.getImageReaders(stream);
if (!i.hasNext()) throw new UnrecognizedImageTypeException(name);
final ImageReader reader = i.next();
try {
reader.setInput(stream);
return new Dimension(reader.getWidth(0), reader.getHeight(0));
}
finally {
reader.dispose();
}
}
Example 4
| Project: openjdk-jdk10 File: JpegMetadataColorSpaceTest.java View Source Code | 6 votes |
public static void main(String[] args) throws IOException {
String fileName = "nomarkers.jpg";
String sep = System.getProperty("file.separator");
String dir = System.getProperty("test.src", ".");
String filePath = dir+sep+fileName;
System.out.println("Test file: " + filePath);
File file = new File(filePath);
ImageInputStream stream = ImageIO.createImageInputStream(file);
Iterator<ImageReader> readers = ImageIO.getImageReaders(stream);
if(readers.hasNext()) {
ImageReader reader = readers.next();
reader.setInput(stream);
IIOMetadata metadata = reader.getImageMetadata(0);
IIOMetadataNode standardTree = (IIOMetadataNode)
metadata.getAsTree
(IIOMetadataFormatImpl.standardMetadataFormatName);
IIOMetadataNode colorSpaceType = (IIOMetadataNode)
standardTree.getElementsByTagName("ColorSpaceType").item(0);
String colorSpaceName = colorSpaceType.getAttribute("name");
if(colorSpaceName.equals("RGB"))
throw new RuntimeException("Identified incorrect ColorSpace");
}
}
Example 5
| Project: openjdk-jdk10 File: JpegRawImageTypeTest.java View Source Code | 6 votes |
public static void main(String[] args) throws Exception {
//nomarkers.jpg has YCbCr color space
String fileName = "nomarkers.jpg";
String sep = System.getProperty("file.separator");
String dir = System.getProperty("test.src", ".");
String filePath = dir+sep+fileName;
System.out.println("Test file: " + filePath);
File imageFile = new File(filePath);
ImageInputStream inputStream = ImageIO.
createImageInputStream(imageFile);
Iterator<ImageReader> readers = ImageIO.getImageReaders(inputStream);
if(readers.hasNext()) {
ImageReader reader = readers.next();
reader.setInput(inputStream);
ImageTypeSpecifier typeSpecifier = reader.getRawImageType(0);
//check if ImageTypeSpecifier is null for YCbCr JPEG Image
if (typeSpecifier == null) {
throw new RuntimeException("ImageReader returns null raw image"
+ " type");
}
}
}
Example 6
| Project: syndesis File: ConnectorsITCase.java View Source Code | 5 votes |
@Test
public void testUpdateIcon() throws IOException {
final LinkedMultiValueMap<String, Object> multipartData = new LinkedMultiValueMap<>();
multipartData.add("icon", new InputStreamResource(getClass().getResourceAsStream("test-image.png")));
final ResponseEntity<Connector> updated = post("/api/v1/connectors/twitter/icon",
multipartData, Connector.class, tokenRule.validToken(), HttpStatus.OK,
multipartHeaders());
assertThat(updated.getBody().getId()).isPresent();
assertThat(updated.getBody().getIcon()).isNotBlank().startsWith("db:");
final ResponseEntity<ByteArrayResource> got = get("/api/v1/connectors/twitter/icon", ByteArrayResource.class);
assertThat(got.getHeaders().getFirst("Content-Type")).isEqualTo("image/png");
try (ImageInputStream iis = ImageIO.createImageInputStream(got.getBody().getInputStream());) {
final Iterator<ImageReader> readers = ImageIO.getImageReaders(iis);
if (readers.hasNext()) {
final ImageReader reader = readers.next();
try {
reader.setInput(iis);
final Dimension dimensions = new Dimension(reader.getWidth(0), reader.getHeight(0));
assertThat(dimensions.getHeight()).isEqualTo(106d).as("Wrong image height");
assertThat(dimensions.getWidth()).isEqualTo(106d).as("Wrong image width");
} finally {
reader.dispose();
}
}
}
}
Example 7
| Project: raven File: ImageUtils.java View Source Code | 5 votes |
private static String getImageFormatName(final byte[] imageBytes)
throws IOException {
ByteArrayInputStream input = new ByteArrayInputStream(imageBytes);
ImageInputStream imageInput = ImageIO.createImageInputStream(input);
Iterator<ImageReader> iterator = ImageIO.getImageReaders(imageInput);
String imageFormatName = null;
if (iterator.hasNext()) {
ImageReader reader = iterator.next();
imageFormatName = reader.getFormatName().toUpperCase();
}
try {
return imageFormatName;
} finally {
if (imageInput != null) {
imageInput.close();
}
}
}
Example 8
| Project: openjdk-jdk10 File: ImageIOGetImageReaders.java View Source Code | 5 votes |
public static void main(String[] args) {
boolean gotIAE = false;
try {
ImageIO.getImageReaders(null);
} catch (IllegalArgumentException e) {
gotIAE = true;
}
if (!gotIAE) {
throw new RuntimeException("Failed to get IAE!");
}
}
Example 9
| Project: marathonv5 File: ImagePanel.java View Source Code | 4 votes |
private void initializeAnnotations() {
try {
ImageInputStream iis = ImageIO.createImageInputStream(imageFile);
Iterator<ImageReader> readers = ImageIO.getImageReaders(iis);
if (readers.hasNext()) {
ImageReader reader = readers.next();
reader.setInput(iis);
IIOMetadata imageMetadata = reader.getImageMetadata(0);
org.w3c.dom.Node root = imageMetadata.getAsTree(imageMetadata.getNativeMetadataFormatName());
NodeList childNodes = root.getChildNodes();
for (int i = 0; i < childNodes.getLength(); i++) {
org.w3c.dom.Node item = childNodes.item(i);
if (item.getNodeName().equals("tEXt")) {
org.w3c.dom.Node textNode = item;
NodeList entryNodes = textNode.getChildNodes();
for (int j = 0; j < entryNodes.getLength(); j++) {
org.w3c.dom.Node entry = entryNodes.item(j);
if (entry.getNodeName().equals("tEXtEntry")) {
NamedNodeMap attributes = entry.getAttributes();
String kw = attributes.getNamedItem("keyword").getNodeValue();
String value = attributes.getNamedItem("value").getNodeValue();
Pattern p = Pattern.compile("a1810-(\\d+)-(\\d+\\.\\d+)-(\\d+\\.\\d+)-(\\d+\\.\\d+)-(\\d+\\.\\d+)");
Matcher matcher = p.matcher(kw);
if (matcher.matches()) {
Annotation annotation = new Annotation();
annotation.setX(Double.parseDouble(matcher.group(2)));
annotation.setY(Double.parseDouble(matcher.group(3)));
annotation.setWidth(Double.parseDouble(matcher.group(4)));
annotation.setHeight(Double.parseDouble(matcher.group(5)));
annotation.setText(value);
annotation.setFill(ANNOTATION_COLOR);
annotations.add(annotation);
}
}
}
}
}
reader.dispose();
}
} catch (IOException e) {
e.printStackTrace();
}
}
Example 10
| Project: syndesis File: ConnectorHandlerTest.java View Source Code | 4 votes |
@Test
public void connectorIconShouldHaveCorrectContentType() throws IOException {
try (MockWebServer mockWebServer = new MockWebServer(); final Buffer resultBuffer = new Buffer()) {
mockWebServer.start();
resultBuffer.writeAll(Okio.source(getClass().getResourceAsStream("test-image.png")));
mockWebServer.enqueue(new MockResponse().setHeader(CONTENT_TYPE, "image/png").setBody(resultBuffer));
final Connector connector = new Connector.Builder().id("connector-id").icon(mockWebServer.url("/u/23079786").toString())
.build();
when(dataManager.fetch(Connector.class, "connector-id")).thenReturn(connector);
when(dataManager.fetchAll(Integration.class)).thenReturn(ListResult.of(Collections.emptyList()));
final Response response = handler.getConnectorIcon("connector-id").get();
assertThat(response.getStatusInfo()).isEqualTo(Response.Status.OK).as("Wrong status code");
assertThat(response.getHeaderString(CONTENT_TYPE)).isEqualTo("image/png").as("Wrong content type");
assertThat(response.getHeaderString(CONTENT_LENGTH)).isEqualTo("2018").as("Wrong content length");
final StreamingOutput so = (StreamingOutput) response.getEntity();
final ByteArrayOutputStream bos = new ByteArrayOutputStream();
try (BufferedSink sink = Okio.buffer(Okio.sink(bos)); BufferedSource source = new Buffer();
ImageInputStream iis = ImageIO.createImageInputStream(source.inputStream());) {
so.write(sink.outputStream());
source.readAll(sink);
final Iterator<ImageReader> readers = ImageIO.getImageReaders(iis);
if (readers.hasNext()) {
final ImageReader reader = readers.next();
try {
reader.setInput(iis);
final Dimension dimensions = new Dimension(reader.getWidth(0), reader.getHeight(0));
assertThat(dimensions.getHeight()).isEqualTo(106d).as("Wrong image height");
assertThat(dimensions.getWidth()).isEqualTo(106d).as("Wrong image width");
} finally {
reader.dispose();
}
}
}
}
}
Example 11
| Project: syndesis File: ConnectorsITCase.java View Source Code | 4 votes |
@Test
public void testUpdateConnectorAndIconViaMultipart() throws IOException {
final Connector initialConnector = dataManager.fetch(Connector.class, "twitter");
assertThat(initialConnector.getIcon()).isNotBlank().doesNotStartWith("db:");
final Connector connectorWithNewdescription = new Connector.Builder().createFrom(initialConnector)
.description("Updated!").build();
final LinkedMultiValueMap<String, Object> multipartData = new LinkedMultiValueMap<>();
multipartData.add("connector", connectorWithNewdescription);
multipartData.add("icon", new InputStreamResource(getClass().getResourceAsStream("test-image.png")));
final ResponseEntity<Void> updated = put("/api/v1/connectors/twitter",
multipartData, Void.class, tokenRule.validToken(), HttpStatus.NO_CONTENT,
multipartHeaders());
final ResponseEntity<Connector> updatedConnector = get("/api/v1/connectors/twitter", Connector.class);
assertThat(updatedConnector.getBody().getId()).isPresent();
assertThat(updatedConnector.getBody().getIcon()).isNotBlank().startsWith("db:");
assertThat(updatedConnector.getBody().getDescription()).isNotBlank().isEqualTo("Updated!");
final ResponseEntity<ByteArrayResource> got = get("/api/v1/connectors/twitter/icon", ByteArrayResource.class);
assertThat(got.getHeaders().getFirst("Content-Type")).isEqualTo("image/png");
try (ImageInputStream iis = ImageIO.createImageInputStream(got.getBody().getInputStream());) {
final Iterator<ImageReader> readers = ImageIO.getImageReaders(iis);
if (readers.hasNext()) {
final ImageReader reader = readers.next();
try {
reader.setInput(iis);
final Dimension dimensions = new Dimension(reader.getWidth(0), reader.getHeight(0));
assertThat(dimensions.getHeight()).isEqualTo(106d).as("Wrong image height");
assertThat(dimensions.getWidth()).isEqualTo(106d).as("Wrong image width");
} finally {
reader.dispose();
}
}
}
}
Example 12
| Project: Yass File: YassUtils.java View Source Code | 4 votes |
/**
* Description of the Method
*
* @param source Description of the Parameter
* @return Description of the Return Value
* @throws IOException Description of the Exception
*/
public static BufferedImage readImage(Object source) throws IOException {
ImageInputStream stream = ImageIO.createImageInputStream(source);
if (stream == null) {
if (source instanceof java.net.URL) {
return ImageIO.read((java.net.URL) source);
} else {
return null;
}
}
Iterator<?> it = ImageIO.getImageReaders(stream);
if (!it.hasNext()) {
// bug with firefox 2
BufferedImage buf = null;
if (source instanceof File) {
buf = ImageIO.read((File) source);
}
return buf;
}
ImageReader reader = (ImageReader) it.next();
reader.setInput(stream);
ImageReadParam param = reader.getDefaultReadParam();
ImageTypeSpecifier typeToUse = null;
boolean looking = true;
for (Iterator<?> i = reader.getImageTypes(0); i.hasNext() && looking; ) {
ImageTypeSpecifier type = (ImageTypeSpecifier) i.next();
if (type.getColorModel().getColorSpace().getNumComponents() == 1) {
typeToUse = type;
looking = false;
} else if (type.getColorModel().getColorSpace().isCS_sRGB()) {
typeToUse = type;
looking = false;
}
}
if (typeToUse != null) {
param.setDestinationType(typeToUse);
}
BufferedImage b = null;
try {
b = reader.read(0, param);
} catch (Exception e) {
e.printStackTrace();
}
reader.dispose();
stream.close();
return b;
}
Example 13
| Project: openjdk-jdk10 File: ReadAbortTest.java View Source Code | 4 votes |
public ReadAbortTest(String format) throws Exception {
try {
System.out.println("Test for format " + format);
bimg = new BufferedImage(width, heght,
BufferedImage.TYPE_INT_RGB);
Graphics2D g = bimg.createGraphics();
g.setColor(srccolor);
g.fillRect(0, 0, width, heght);
g.dispose();
file = File.createTempFile("src_", "." + format, new File("."));
ImageIO.write(bimg, format, file);
ImageInputStream iis = ImageIO.createImageInputStream(file);
Iterator iter = ImageIO.getImageReaders(iis);
while (iter.hasNext()) {
reader = (ImageReader) iter.next();
break;
}
reader.setInput(iis);
reader.addIIOReadProgressListener(this);
// Abort reading in IIOReadProgressListener.imageStarted().
startAbort = true;
bimg = reader.read(0);
startAbort = false;
// Abort reading in IIOReadProgressListener.imageProgress().
progressAbort = true;
bimg = reader.read(0);
progressAbort = false;
iis.close();
/*
* All abort requests from imageStarted,imageProgress and
* imageComplete from IIOReadProgressListener should be reached
* otherwise throw RuntimeException.
*/
if (!(startAborted
&& progressAborted)) {
throw new RuntimeException("All IIOReadProgressListener abort"
+ " requests are not processed for format "
+ format);
}
} catch (Exception e) {
throw e;
} finally {
Files.delete(file.toPath());
}
}
Example 14
| Project: openjdk-jdk10 File: BMPPixelSpacingTest.java View Source Code | 4 votes |
public static void main(String[] args) throws Exception {
// Header contaning X & Y pixels-per-meter more than value 1
byte[] bmpHeaderData = { (byte) 0x42, (byte) 0x4d, (byte) 0x7e,
(byte) 0x06, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
(byte) 0x00, (byte) 0x00, (byte) 0x3e, (byte) 0x00, (byte) 0x00,
(byte) 0x00, (byte) 0x28, (byte) 0x00, (byte) 0x00, (byte) 0x00,
(byte) 0x64, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x64,
(byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
(byte) 0x01, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
(byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
(byte) 0x02, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x02,
(byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
(byte) 0xff, (byte) 0xff, (byte) 0xff, (byte) 0x00, (byte) 0xff,
(byte) 0xff, (byte) 0xff, (byte) 0xff, (byte) 0xff, (byte) 0xff,
(byte) 0xff, (byte) 0xff, (byte) 0xff, (byte) 0xff, (byte) 0xff,
(byte) 0xff };
ImageInputStream imageInput = ImageIO.
createImageInputStream(new ByteArrayInputStream(bmpHeaderData));
for (Iterator<ImageReader> it = ImageIO.getImageReaders(imageInput);
it.hasNext(); ) {
ImageReader reader = it.next();
reader.setInput(imageInput);
IIOMetadata metadata = reader.getImageMetadata(0);
Node rootNode = metadata.getAsTree("javax_imageio_1.0");
NodeList nl = rootNode.getChildNodes();
//Parse until you get Dimension child node
for (int i = 0; i < nl.getLength(); i++) {
Node node = nl.item(i);
if ((node.getNodeName()).equals("Dimension")) {
//get childnode list under Dimension node
NodeList cl = node.getChildNodes();
//Corresponding node indices under Dimension node
int horizontalNodeIndex = 1;
int verticalNodeIndex = 2;
Node horizontalNode = cl.item(horizontalNodeIndex);
Node verticalNode = cl.item(verticalNodeIndex);
//get attributes for horizontal and vertical nodes
NamedNodeMap horizontalAttr = horizontalNode.
getAttributes();
NamedNodeMap verticalAttr = verticalNode.getAttributes();
//since they have only one attribute index is 0
int attributeIndex = 0;
Node horizontalValue = horizontalAttr.item(attributeIndex);
Node verticalValue = verticalAttr.item(attributeIndex);
float horizontalNodeValue = Float.
parseFloat((horizontalValue.getNodeValue()));
float verticalNodeValue = Float.
parseFloat((verticalValue.getNodeValue()));
float expectedHorizontalValue, expectedVerticalValue;
// in test metadata xPixelsPerMeter & yPixelsPerMeter is 2
expectedHorizontalValue = expectedVerticalValue =
1000.0F / 2;
//expected and returned values should be same
if ((Float.compare(horizontalNodeValue,
expectedHorizontalValue) != 0) ||
(Float.compare(verticalNodeValue,
expectedVerticalValue) != 0)) {
throw new RuntimeException("Invalid pixel spacing");
}
}
}
}
}
Example 15
| Project: CustomWorldGen File: SplashProgress.java View Source Code | 4 votes |
public Texture(ResourceLocation location, boolean allowRP)
{
InputStream s = null;
try
{
this.location = location;
s = open(location, allowRP);
ImageInputStream stream = ImageIO.createImageInputStream(s);
Iterator<ImageReader> readers = ImageIO.getImageReaders(stream);
if(!readers.hasNext()) throw new IOException("No suitable reader found for image" + location);
ImageReader reader = readers.next();
reader.setInput(stream);
frames = reader.getNumImages(true);
BufferedImage[] images = new BufferedImage[frames];
for(int i = 0; i < frames; i++)
{
images[i] = reader.read(i);
}
reader.dispose();
int size = 1;
width = images[0].getWidth();
height = images[0].getHeight();
while((size / width) * (size / height) < frames) size *= 2;
this.size = size;
glEnable(GL_TEXTURE_2D);
synchronized(SplashProgress.class)
{
name = glGenTextures();
glBindTexture(GL_TEXTURE_2D, name);
}
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, size, size, 0, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, (IntBuffer)null);
checkGLError("Texture creation");
for(int i = 0; i * (size / width) < frames; i++)
{
for(int j = 0; i * (size / width) + j < frames && j < size / width; j++)
{
buf.clear();
BufferedImage image = images[i * (size / width) + j];
for(int k = 0; k < height; k++)
{
for(int l = 0; l < width; l++)
{
buf.put(image.getRGB(l, k));
}
}
buf.position(0).limit(width * height);
glTexSubImage2D(GL_TEXTURE_2D, 0, j * width, i * height, width, height, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, buf);
checkGLError("Texture uploading");
}
}
glBindTexture(GL_TEXTURE_2D, 0);
glDisable(GL_TEXTURE_2D);
}
catch(IOException e)
{
e.printStackTrace();
throw new RuntimeException(e);
}
finally
{
IOUtils.closeQuietly(s);
}
}
