Examples with ImageReadParam javax.imageio.ImageReadParam used on opensource projects

Example 1 with ImageReadParam

use of javax.imageio.ImageReadParam in project spring-security-oauth by spring-projects.

the class SparklrController method photo.

@RequestMapping("/sparklr/photos/{id}")
public ResponseEntity<BufferedImage> photo(@PathVariable String id, HttpServletRequest request) throws Exception {
    InputStream photo = sparklrService.loadSparklrPhoto(id);
    if (photo == null) {
        throw new UnavailableException("The requested photo does not exist");
    }
    BufferedImage body;
    MediaType contentType = MediaType.IMAGE_JPEG;
    Iterator<ImageReader> imageReaders = ImageIO.getImageReadersByMIMEType(contentType.toString());
    if (imageReaders.hasNext()) {
        ImageReader imageReader = imageReaders.next();
        ImageReadParam irp = imageReader.getDefaultReadParam();
        imageReader.setInput(new MemoryCacheImageInputStream(photo), true);
        body = imageReader.read(0, irp);
    } else {
        throw new HttpMessageNotReadableException("Could not find javax.imageio.ImageReader for Content-Type [" + contentType + "]");
    }
    HttpHeaders headers = new HttpHeaders();
    headers.setContentType(MediaType.IMAGE_JPEG);
    request.setAttribute(HandlerMapping.PRODUCIBLE_MEDIA_TYPES_ATTRIBUTE, Collections.singleton(MediaType.IMAGE_JPEG));
    return new ResponseEntity<BufferedImage>(body, headers, HttpStatus.OK);
}

Example 2 with ImageReadParam

use of javax.imageio.ImageReadParam in project spring-security-oauth by spring-projects.

the class SparklrRedirectController method photo.

@RequestMapping("/sparklr/redirect/{id}")
public ResponseEntity<BufferedImage> photo(@PathVariable String id) throws Exception {
    InputStream photo = sparklrService.loadSparklrPhoto(id);
    if (photo == null) {
        throw new UnavailableException("The requested photo does not exist");
    }
    BufferedImage body;
    MediaType contentType = MediaType.IMAGE_JPEG;
    Iterator<ImageReader> imageReaders = ImageIO.getImageReadersByMIMEType(contentType.toString());
    if (imageReaders.hasNext()) {
        ImageReader imageReader = imageReaders.next();
        ImageReadParam irp = imageReader.getDefaultReadParam();
        imageReader.setInput(new MemoryCacheImageInputStream(photo), true);
        body = imageReader.read(0, irp);
    } else {
        throw new HttpMessageNotReadableException("Could not find javax.imageio.ImageReader for Content-Type [" + contentType + "]");
    }
    HttpHeaders headers = new HttpHeaders();
    headers.setContentType(MediaType.IMAGE_JPEG);
    return new ResponseEntity<BufferedImage>(body, headers, HttpStatus.OK);
}

Example 3 with ImageReadParam

use of javax.imageio.ImageReadParam in project spring-security-oauth by spring-projects.

the class SparklrController method photo.

@RequestMapping("/sparklr/photos/{id}")
public ResponseEntity<BufferedImage> photo(@PathVariable String id) throws Exception {
    InputStream photo = sparklrService.loadSparklrPhoto(id);
    if (photo == null) {
        throw new UnavailableException("The requested photo does not exist");
    }
    BufferedImage body;
    MediaType contentType = MediaType.IMAGE_JPEG;
    Iterator<ImageReader> imageReaders = ImageIO.getImageReadersByMIMEType(contentType.toString());
    if (imageReaders.hasNext()) {
        ImageReader imageReader = imageReaders.next();
        ImageReadParam irp = imageReader.getDefaultReadParam();
        imageReader.setInput(new MemoryCacheImageInputStream(photo), true);
        body = imageReader.read(0, irp);
    } else {
        throw new HttpMessageNotReadableException("Could not find javax.imageio.ImageReader for Content-Type [" + contentType + "]");
    }
    HttpHeaders headers = new HttpHeaders();
    headers.setContentType(MediaType.IMAGE_JPEG);
    return new ResponseEntity<BufferedImage>(body, headers, HttpStatus.OK);
}

Example 4 with ImageReadParam

use of javax.imageio.ImageReadParam in project jdk8u_jdk by JetBrains.

the class ImageReaderReadAll method main.

public static void main(String[] argv) {
    ImageReader ireader;
    ImageReadParam irp;
    IIOImage image;
    BufferedImage bi;
    BufferedImage bi_1;
    BufferedImage bi_2;
    ireader = new DummyImageReaderImpl(null);
    MemoryCacheImageInputStream mciis = new MemoryCacheImageInputStream(new ByteArrayInputStream(ba));
    ireader.setInput(mciis);
    irp = new ImageReadParam();
    irp.setDestination(new BufferedImage(10, 10, BufferedImage.TYPE_3BYTE_BGR));
    try {
        image = ireader.readAll(0, irp);
        bi_1 = ireader.read(0, irp);
        bi_2 = ireader.read(0);
    } catch (java.io.IOException ee) {
        throw new RuntimeException("Unexpected exception: " + ee);
    }
    bi = (BufferedImage) image.getRenderedImage();
    if (bi.getType() != bi_1.getType()) {
        throw new RuntimeException("Images have different type!");
    }
}

Example 5 with ImageReadParam

use of javax.imageio.ImageReadParam in project jdk8u_jdk by JetBrains.

the class ImageReadParamPasses method checkForIAE.

private static void checkForIAE(int minPass, int numPasses) {
    ImageReadParam param = new ImageReadParam();
    boolean gotIAE = false;
    try {
        param.setSourceProgressivePasses(minPass, numPasses);
    } catch (IllegalArgumentException iae) {
        gotIAE = true;
    }
    if (!gotIAE) {
        throw new RuntimeException("Failed to get IAE for wraparound!");
    }
}