Examples of com.sun.media.jai.codec.ImageCodec

com.sun.media.jai.codec.ImageCodec
An abstract class allowing the creation of image decoders and encoders. Instances of ImageCodec may be registered. Once a codec has been registered, the format name associated with it may be used as the name parameter in the createImageEncoder() and createImageDecoder() methods.
Additionally, subclasses of ImageCodec are able to perform recognition of their particular format, wither by inspection of a fixed-length file header or by arbitrary access to the source data stream.
Format recognition is performed by two variants of the isFormatRecognized() method. Which variant should be called is determined by the output of the codec's getNumHeaderBytes() method, which returns 0 if arbitrary access to the stream is required, and otherwise returns the number of header bytes required to recognize the format. Each subclass of ImageCodec needs to implement only one of the two variants.
This class is not a committed part of the JAI API. It may be removed or changed in future releases of JAI.


        // Retrieve the format.
        String format = (String)args.getObjectParameter(1);


        // Retrieve the associated ImageCodec.
        ImageCodec codec = ImageCodec.getCodec(format);


        // Check for null codec.
        if (codec == null) {
            msg.append(getName() + " " +
                       JaiI18N.getString("FileStoreDescriptor4"));
            return false;
        }


        // Retrieve the ImageEncodeParam object.
        ImageEncodeParam param =
            (ImageEncodeParam)args.getObjectParameter(2);


  RenderedImage src = args.getRenderedSource(0);


        // Verify that the image can be encoded with null parameters.
        if (!codec.canEncodeImage(src, param)) {
            msg.append(getName() + " " +
                       JaiI18N.getString("FileStoreDescriptor5"));
            return false;
        }

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        // Retrieve the format.
        String format = (String)args.getObjectParameter(1);


        // Retrieve the associated ImageCodec.
        ImageCodec codec = ImageCodec.getCodec(format);


        // Check for null codec.
        if (codec == null) {
            msg.append(getName() + " " +
                       JaiI18N.getString("EncodeDescriptor4"));
            return false;
        }


        // Retrieve the ImageEncodeParam object.
        ImageEncodeParam param =
            (ImageEncodeParam)args.getObjectParameter(2);


  RenderedImage src = args.getRenderedSource(0);


        // Verify that the image can be encoded with the given parameters.
        if (!codec.canEncodeImage(src, param)) {
            msg.append(getName() + " " +
                       JaiI18N.getString("EncodeDescriptor5"));
            return false;
        }

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/* 149 */       return false;
/*     */     }
/*     */ 
/* 153 */     String format = (String)args.getObjectParameter(1);
/*     */ 
/* 156 */     ImageCodec codec = ImageCodec.getCodec(format);
/*     */ 
/* 159 */     if (codec == null) {
/* 160 */       msg.append(getName() + " " + JaiI18N.getString("EncodeDescriptor4"));
/*     */ 
/* 162 */       return false;
/*     */     }
/*     */ 
/* 166 */     ImageEncodeParam param = (ImageEncodeParam)args.getObjectParameter(2);
/*     */ 
/* 169 */     RenderedImage src = args.getRenderedSource(0);
/*     */ 
/* 172 */     if (!codec.canEncodeImage(src, param)) {
/* 173 */       msg.append(getName() + " " + JaiI18N.getString("EncodeDescriptor5"));
/*     */ 
/* 175 */       return false;
/*     */     }
/*     */

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/* 162 */       return true;
/*     */     }
/*     */ 
/* 165 */     String format = (String)args.getObjectParameter(1);
/*     */ 
/* 168 */     ImageCodec codec = ImageCodec.getCodec(format);
/*     */ 
/* 171 */     if (codec == null) {
/* 172 */       msg.append(getName() + " " + JaiI18N.getString("FileStoreDescriptor4"));
/*     */ 
/* 174 */       return false;
/*     */     }
/*     */ 
/* 178 */     ImageEncodeParam param = (ImageEncodeParam)args.getObjectParameter(2);
/*     */ 
/* 181 */     RenderedImage src = args.getRenderedSource(0);
/*     */ 
/* 184 */     if (!codec.canEncodeImage(src, param)) {
/* 185 */       msg.append(getName() + " " + JaiI18N.getString("FileStoreDescriptor5"));
/*     */ 
/* 187 */       return false;
/*     */     }
/*     */

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