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Merge pull request #316 from metanorma/upgrade/pdfbox_3_0_3
Upgrade to support PDFBox 3.0.3
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,101 @@ | ||
| /* | ||
| * 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.fonts; | ||
|
|
||
| import java.io.ByteArrayInputStream; | ||
| import java.io.ByteArrayOutputStream; | ||
| import java.io.IOException; | ||
| import java.io.InputStream; | ||
| import java.util.ArrayList; | ||
| import java.util.HashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
|
|
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| import org.apache.commons.io.IOUtils; | ||
| import org.apache.fontbox.cff.CFFFont; | ||
| import org.apache.fontbox.cff.CFFParser; | ||
| import org.apache.pdfbox.io.RandomAccessReadBuffer; | ||
|
|
||
| import org.apache.fop.apps.io.InternalResourceResolver; | ||
| import org.apache.fop.fonts.type1.PFBData; | ||
| import org.apache.fop.fonts.type1.PFBParser; | ||
| import org.apache.fop.fonts.type1.Type1SubsetFile; | ||
| import org.apache.fop.render.ps.Type1FontFormatter; | ||
|
|
||
| public class CFFToType1Font extends MultiByteFont { | ||
|
|
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| public CFFToType1Font(InternalResourceResolver resourceResolver, EmbeddingMode embeddingMode) { | ||
| super(resourceResolver, embeddingMode); | ||
| setEmbeddingMode(EmbeddingMode.FULL); | ||
| setFontType(FontType.TYPE1); | ||
| } | ||
|
|
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| public InputStream getInputStream() throws IOException { | ||
| return null; | ||
| } | ||
|
|
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| public List<InputStream> getInputStreams() throws IOException { | ||
| InputStream cff = super.getInputStream(); | ||
| return convertOTFToType1(cff); | ||
| } | ||
|
|
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| private List<InputStream> convertOTFToType1(InputStream in) throws IOException { | ||
| CFFFont f = new CFFParser().parse(new RandomAccessReadBuffer(IOUtils.toByteArray(in))).get(0); | ||
| List<InputStream> fonts = new ArrayList<InputStream>(); | ||
| Map<Integer, Integer> glyphs = cidSet.getGlyphs(); | ||
| int i = 0; | ||
| for (Map<Integer, Integer> x : splitGlyphs(glyphs)) { | ||
| String iStr = "." + i; | ||
| fonts.add(convertOTFToType1(x, f, iStr)); | ||
| i++; | ||
| } | ||
| return fonts; | ||
| } | ||
|
|
||
| private List<Map<Integer, Integer>> splitGlyphs(Map<Integer, Integer> glyphs) { | ||
| List<Map<Integer, Integer>> allGlyphs = new ArrayList<Map<Integer, Integer>>(); | ||
| for (Map.Entry<Integer, Integer> x : glyphs.entrySet()) { | ||
| int k = x.getKey(); | ||
| int v = x.getValue(); | ||
| int pot = v / 256; | ||
| v = v % 256; | ||
| while (allGlyphs.size() < pot + 1) { | ||
| Map<Integer, Integer> glyphsPerFont = new HashMap<Integer, Integer>(); | ||
| glyphsPerFont.put(0, 0); | ||
| allGlyphs.add(glyphsPerFont); | ||
| } | ||
| allGlyphs.get(pot).put(k, v); | ||
| } | ||
| return allGlyphs; | ||
| } | ||
|
|
||
| private InputStream convertOTFToType1(Map<Integer, Integer> glyphs, CFFFont cffFont, String splitGlyphsId) | ||
| throws IOException { | ||
| byte[] type1Bytes = new Type1FontFormatter(glyphs).format(cffFont, splitGlyphsId); | ||
| PFBData pfb = new PFBParser().parsePFB(new ByteArrayInputStream(type1Bytes)); | ||
| ByteArrayOutputStream s1 = new ByteArrayOutputStream(); | ||
| s1.write(pfb.getHeaderSegment()); | ||
| ByteArrayOutputStream s2 = new ByteArrayOutputStream(); | ||
| s2.write(pfb.getEncryptedSegment()); | ||
| ByteArrayOutputStream s3 = new ByteArrayOutputStream(); | ||
| s3.write(pfb.getTrailerSegment()); | ||
| byte[] out = new Type1SubsetFile().stitchFont(s1, s2, s3); | ||
| return new ByteArrayInputStream(out); | ||
| } | ||
| } |
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