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- /*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
- /* $Id$ */
-
- package org.apache.fop.pdf;
-
- import java.awt.color.ICC_Profile;
- import java.io.IOException;
- import java.io.OutputStream;
-
- /**
- * Special PDFStream for ICC profiles (color profiles).
- */
- public class PDFICCStream extends PDFStream {
-
- private ICC_Profile cp;
- private PDFDeviceColorSpace pdfColorSpace;
-
- /**
- * @see org.apache.fop.pdf.PDFObject#PDFObject()
- */
- public PDFICCStream() {
- super();
- cp = null;
- }
-
- /**
- * Sets the color space to encode in PDF.
- * @param icc the ICC profile
- * @param alt the PDF color space
- */
- public void setColorSpace(ICC_Profile icc, PDFDeviceColorSpace alt) {
- this.cp = icc;
- pdfColorSpace = alt;
- }
-
- /**
- * Returns the associated ICC profile. Note that this will return null once the
- * ICC stream has been written to the PDF file.
- * @return the ICC profile (or null if the stream has already been written)
- */
- public ICC_Profile getICCProfile() {
- return this.cp;
- }
-
- /**
- * overload the base object method so we don't have to copy
- * byte arrays around so much
- * {@inheritDoc}
- */
- @Override
- public int output(java.io.OutputStream stream)
- throws java.io.IOException {
- int length = super.output(stream);
- this.cp = null; //Free ICC stream when it's not used anymore
- return length;
- }
-
- /** {@inheritDoc} */
- @Override
- protected void outputRawStreamData(OutputStream out) throws IOException {
- cp.write(out);
- }
-
- /** {@inheritDoc} */
- @Override
- protected void populateStreamDict(Object lengthEntry) {
- put("N", cp.getNumComponents());
- if (pdfColorSpace != null) {
- put("Alternate", new PDFName(pdfColorSpace.getName()));
- }
- super.populateStreamDict(lengthEntry);
- }
-
- }
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