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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.fonts.truetype;
-
- import java.io.IOException;
- import java.util.HashMap;
- import java.util.List;
- import java.util.Map;
-
- import org.junit.Before;
- import org.junit.Test;
-
- import static org.junit.Assert.assertEquals;
- import static org.junit.Assert.assertTrue;
-
- import org.apache.fontbox.cff.CFFDataInput;
- import org.apache.fontbox.cff.CFFFont;
- import org.apache.fontbox.cff.CFFParser;
- import org.apache.fontbox.cff.IndexData;
- import org.apache.fontbox.cff.Type2CharStringParser;
-
- import org.apache.fop.fonts.cff.CFFDataReader;
- import org.apache.fop.fonts.cff.CFFDataReader.CFFIndexData;
- import org.apache.fop.fonts.cff.CFFDataReader.DICTEntry;
-
- public class OTFSubSetFileTestCase extends OTFFileTestCase {
-
- CFFDataReader cffReaderSourceSans;
- private OTFSubSetFile sourceSansSubset;
- private byte[] sourceSansData;
- CFFDataReader cffReaderHeitiStd;
-
- public OTFSubSetFileTestCase() throws IOException {
- super();
- }
-
- /**
- * Initialises the test by creating the font subset. A CFFDataReader is
- * also created based on the subset data for use in the tests.
- * @throws IOException
- */
- @Before
- public void setUp() throws Exception {
- super.setUp();
-
- Map<Integer, Integer> glyphs = new HashMap<Integer, Integer>();
- for (int i = 0; i < 256; i++) {
- glyphs.put(i, i);
- }
-
- sourceSansSubset = new OTFSubSetFile();
- String sourceSansHeader = OFFontLoader.readHeader(sourceSansReader);
- sourceSansSubset.readFont(sourceSansReader, "SourceSansProBold", sourceSansHeader, glyphs);
- sourceSansData = sourceSansSubset.getFontSubset();
- cffReaderSourceSans = new CFFDataReader(sourceSansData);
- }
-
- /**
- * Validates the CharString data against the original font
- * @throws IOException
- */
- @Test
- public void testCharStringIndex() throws IOException {
- assertEquals(256, cffReaderSourceSans.getCharStringIndex().getNumObjects());
- assertTrue(checkCorrectOffsets(cffReaderSourceSans.getCharStringIndex()));
- validateCharStrings(cffReaderSourceSans);
- }
-
- private boolean checkCorrectOffsets(CFFIndexData indexData) {
- int last = 0;
- for (int i = 0; i < indexData.getOffsets().length; i++) {
- if (indexData.getOffsets()[i] < last) {
- return false;
- }
- last = indexData.getOffsets()[i];
- }
- return true;
- }
-
- private void validateCharStrings(CFFDataReader cffReader) throws IOException {
- CFFFont sourceSansOriginal = sourceSansProBold.fileFont;
- Map<String, byte[]> origCharStringData = sourceSansOriginal.getCharStringsDict();
- IndexData origGlobalIndex = sourceSansOriginal.getGlobalSubrIndex();
- IndexData origLocalIndex = sourceSansOriginal.getLocalSubrIndex();
-
- CFFDataInput globalSubrs = new CFFDataInput(cffReader.getGlobalIndexSubr().getByteData());
- CFFDataInput localSubrs = new CFFDataInput(cffReader.getLocalIndexSubr().getByteData());
-
- IndexData globalIndexData = CFFParser.readIndexData(globalSubrs);
- IndexData localIndexData = CFFParser.readIndexData(localSubrs);
-
- CFFIndexData charStrings = cffReader.getCharStringIndex();
- for (int i = 0; i < charStrings.getNumObjects(); i++) {
- byte[] charData = charStrings.getValue(i);
- Type2CharStringParser parser = new Type2CharStringParser();
-
- byte[] origCharData = origCharStringData.get(origCharStringData.keySet().toArray(
- new String[0])[i]);
- List<Object> origSeq = parser.parse(origCharData, origGlobalIndex, origLocalIndex);
-
- List<Object> subsetSeq = parser.parse(charData, globalIndexData, localIndexData);
-
- //Validates the subset glyph render routines against the originals
- assertEquals(origSeq, subsetSeq);
- }
- }
-
- /**
- * Validates the String index data and size
- * @throws IOException
- */
- @Test
- public void testStringIndex() throws IOException {
- assertEquals(164, cffReaderSourceSans.getStringIndex().getNumObjects());
- assertTrue(checkCorrectOffsets(cffReaderSourceSans.getStringIndex()));
- assertEquals("Amacron", new String(cffReaderSourceSans.getStringIndex().getValue(5)));
- assertEquals("Edotaccent", new String(cffReaderSourceSans.getStringIndex().getValue(32)));
- assertEquals("uni0122", new String(cffReaderSourceSans.getStringIndex().getValue(45)));
- }
-
- /**
- * Validates the Top Dict data
- * @throws IOException
- */
- @Test
- public void testTopDictData() throws IOException {
- Map<String, DICTEntry> topDictEntries = cffReaderSourceSans.parseDictData(
- cffReaderSourceSans.getTopDictIndex().getData());
- assertEquals(10, topDictEntries.size());
- }
- }
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