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Diffstat (limited to 'src/java/org/apache/fop/image/analyser/EPSReader.java')
-rw-r--r--src/java/org/apache/fop/image/analyser/EPSReader.java253
1 files changed, 0 insertions, 253 deletions
diff --git a/src/java/org/apache/fop/image/analyser/EPSReader.java b/src/java/org/apache/fop/image/analyser/EPSReader.java
deleted file mode 100644
index 92260d1ab..000000000
--- a/src/java/org/apache/fop/image/analyser/EPSReader.java
+++ /dev/null
@@ -1,253 +0,0 @@
-/*
- * 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.image.analyser;
-
-// Java
-import java.io.InputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-
-// FOP
-import org.apache.commons.io.IOUtils;
-import org.apache.fop.image.FopImage;
-import org.apache.fop.image.EPSImage;
-import org.apache.fop.apps.FOUserAgent;
-
-/**
- * ImageReader object for EPS document image type.
- *
- * @version $Id$
- */
-public class EPSReader implements ImageReader {
-
- private static final byte[] EPS_HEADER_ASCII = "%!PS".getBytes();
- private static final byte[] BOUNDINGBOX = "%%BoundingBox: ".getBytes();
- //private static final byte[] HIRESBOUNDINGBOX = "%%HiResBoundingBox: ".getBytes();
- //TODO Implement HiResBoundingBox, ImageInfo probably needs some changes for that
-
- /** {@inheritDoc} */
- public FopImage.ImageInfo verifySignature(String uri, InputStream bis,
- FOUserAgent ua) throws IOException {
-
- boolean isEPS = false;
-
- bis.mark(32);
- byte[] header = new byte[30];
- bis.read(header, 0, 30);
- bis.reset();
-
- EPSImage.EPSData data = new EPSImage.EPSData();
-
- // Check if binary header
- if (getLong(header, 0) == 0xC6D3D0C5) {
- data.isAscii = false;
- isEPS = true;
-
- data.psStart = getLong(header, 4);
- data.psLength = getLong(header, 8);
- data.wmfStart = getLong(header, 12);
- data.wmfLength = getLong(header, 16);
- data.tiffStart = getLong(header, 20);
- data.tiffLength = getLong(header, 24);
-
- } else {
- // Check if plain ascii
- byte[] epsh = "%!PS".getBytes();
- if (EPS_HEADER_ASCII[0] == header[0]
- && EPS_HEADER_ASCII[1] == header[1]
- && EPS_HEADER_ASCII[2] == header[2]
- && EPS_HEADER_ASCII[3] == header[3]) {
- data.isAscii = true;
- isEPS = true;
- }
- }
-
- if (isEPS) {
- FopImage.ImageInfo info = new FopImage.ImageInfo();
- info.originalURI = uri;
- info.mimeType = getMimeType();
- info.data = data;
- readEPSImage(bis, data);
- data.bbox = readBBox(data);
-
- if (data.bbox != null) {
- info.width = (int) (data.bbox[2] - data.bbox[0]);
- info.height = (int) (data.bbox[3] - data.bbox[1]);
-
- // image data read
- IOUtils.closeQuietly(bis);
- info.inputStream = null;
-
- return info;
- } else {
- // Ain't eps if no BoundingBox
- isEPS = false;
- }
- }
-
- return null;
- }
-
- /**
- * Returns the MIME type supported by this implementation.
- *
- * @return The MIME type
- */
- public String getMimeType() {
- return "image/eps";
- }
-
- private long getLong(byte[] buf, int idx) {
- int b1 = buf[idx] & 0xff;
- int b2 = buf[idx + 1] & 0xff;
- int b3 = buf[idx + 2] & 0xff;
- int b4 = buf[idx + 3] & 0xff;
-
- return (long) ((b4 << 24) | (b3 << 16) | (b2 << 8) | b1);
- }
-
- /**
- * Read the eps file and extract eps part.
- *
- * @param bis The InputStream
- * @param data EPSData object to write the results to
- * @exception IOException If an I/O error occurs
- */
- private void readEPSImage(InputStream bis, EPSImage.EPSData data)
- throws IOException {
- ByteArrayOutputStream baos = new ByteArrayOutputStream();
- byte[] file;
- byte[] readBuf = new byte[20480];
- int bytesRead;
- int index = 0;
- boolean cont = true;
-
- try {
- while ((bytesRead = bis.read(readBuf)) != -1) {
- baos.write(readBuf, 0, bytesRead);
- }
- } catch (java.io.IOException ex) {
- throw new IOException("Error while loading EPS image: "
- + ex.getMessage());
- }
-
- file = baos.toByteArray();
-
- if (data.isAscii) {
- data.rawEps = null;
- data.epsFile = new byte[file.length];
- System.arraycopy(file, 0, data.epsFile, 0, data.epsFile.length);
- } else {
- data.rawEps = new byte[file.length];
- data.epsFile = new byte[(int) data.psLength];
- System.arraycopy(file, 0, data.rawEps, 0, data.rawEps.length);
- System.arraycopy(data.rawEps, (int) data.psStart, data.epsFile, 0,
- (int) data.psLength);
- }
- }
-
- /**
- * Get embedded TIFF preview or null.
- *
- * @param data The EPS payload
- * @return The embedded preview
- */
- public byte[] getPreview(EPSImage.EPSData data) {
- if (data.preview == null) {
- if (data.tiffLength > 0) {
- data.preview = new byte[(int) data.tiffLength];
- System.arraycopy(data.rawEps, (int) data.tiffStart, data.preview, 0,
- (int) data.tiffLength);
- }
- }
- return data.preview;
- }
-
- /**
- * Extract bounding box from eps part.
- *
- * @param data The EPS payload
- * @return An Array of four coordinates making up the bounding box
- */
- private long[] readBBox(EPSImage.EPSData data) {
- long[] mbbox = null;
- int idx = 0;
- boolean found = false;
-
- while (!found && (data.epsFile.length > (idx + BOUNDINGBOX.length))) {
- boolean sfound = true;
- int i = idx;
- for (i = idx; sfound && (i - idx) < BOUNDINGBOX.length; i++) {
- if (BOUNDINGBOX[i - idx] != data.epsFile[i]) {
- sfound = false;
- }
- }
- if (sfound) {
- found = true;
- idx = i;
- } else {
- idx++;
- }
- }
-
- if (!found) {
- return mbbox;
- }
-
- mbbox = new long[4];
- idx += readLongString(data, mbbox, 0, idx);
- idx += readLongString(data, mbbox, 1, idx);
- idx += readLongString(data, mbbox, 2, idx);
- idx += readLongString(data, mbbox, 3, idx);
-
- return mbbox;
- }
-
- private int readLongString(EPSImage.EPSData data, long[] mbbox, int i, int idx) {
- while (idx < data.epsFile.length && (data.epsFile[idx] == 32)) {
- idx++;
- }
-
- int nidx = idx;
-
- // check also for ANSI46(".") to identify floating point values
- while (nidx < data.epsFile.length
- && ((data.epsFile[nidx] >= 48 && data.epsFile[nidx] <= 57)
- || (data.epsFile[nidx] == 45)
- || (data.epsFile[nidx] == 46))) {
- nidx++;
- }
-
- byte[] num = new byte[nidx - idx];
- System.arraycopy(data.epsFile, idx, num, 0, nidx - idx);
- String ns = new String(num);
-
- //if( ns.indexOf(".") != -1 ) {
- // do something like logging a warning
- //}
-
- // then parse the double and round off to the next math. Integer
- mbbox[i] = (long) Math.ceil(Double.parseDouble(ns));
-
- return (1 + nidx - idx);
- }
-
-}
-
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