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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.FileInputStream;
- import java.io.IOException;
- import java.io.InputStream;
- import java.util.List;
- import java.util.Map;
-
- import org.junit.Test;
-
- import static org.junit.Assert.assertEquals;
- import static org.junit.Assert.assertTrue;
- import static org.junit.Assert.fail;
-
- import org.apache.fop.fonts.CMapSegment;
- import org.apache.fop.fonts.truetype.OpenFont.PostScriptVersion;
-
- /**
- * Class for testing org.apache.fop.fonts.truetype.TTFFile
- */
- public class TTFFileTestCase {
- // We only want to initialize the FontFileReader once (for performance reasons)
- /** The truetype font file (DejaVuLGCSerif) */
- protected final TTFFile dejavuTTFFile;
- /** The FontFileReader for ttfFile (DejaVuLGCSerif) */
- protected final FontFileReader dejavuReader;
- /** The truetype font file (DroidSansMono) */
- protected final TTFFile droidmonoTTFFile;
- /** The FontFileReader for ttfFile (DroidSansMono) */
- protected final FontFileReader droidmonoReader;
- /** The truetype font file (AndroidEmoji) fonr non-BMP codepoints */
- protected final TTFFile androidEmojiTTFFile;
- /** The FontFileReader for ttfFile (AndroidEmoji) */
- protected final FontFileReader androidEmojiReader;
-
-
-
- /**
- * Constructor initialises FileFontReader to
- * @throws IOException exception
- */
- public TTFFileTestCase() throws IOException {
- InputStream dejaStream = new FileInputStream("test/resources/fonts/ttf/DejaVuLGCSerif.ttf");
- dejavuTTFFile = new TTFFile();
- dejavuReader = new FontFileReader(dejaStream);
- String dejavuHeader = OFFontLoader.readHeader(dejavuReader);
- dejavuTTFFile.readFont(dejavuReader, dejavuHeader);
- dejaStream.close();
-
- InputStream droidStream = new FileInputStream("test/resources/fonts/ttf/DroidSansMono.ttf");
- droidmonoTTFFile = new TTFFile();
- droidmonoReader = new FontFileReader(droidStream);
- String droidmonoHeader = OFFontLoader.readHeader(droidmonoReader);
- droidmonoTTFFile.readFont(droidmonoReader, droidmonoHeader);
- droidStream.close();
-
- InputStream emojiStream = new FileInputStream("test/resources/fonts/ttf/AndroidEmoji.ttf");
- androidEmojiTTFFile = new TTFFile();
- androidEmojiReader = new FontFileReader(emojiStream);
- String androidEmojiHeader = OFFontLoader.readHeader(androidEmojiReader);
- androidEmojiTTFFile.readFont(androidEmojiReader, androidEmojiHeader);
- emojiStream.close();
-
- }
-
- /**
- * Test convertTTFUnit2PDFUnit() - The units per em retrieved reading the HEAD table from
- * the font file. (DroidSansMono has the same units per em as DejaVu so no point testing it)
- */
- @Test
- public void testConvertTTFUnit2PDFUnit() {
- // DejaVu has 2048 units per em (PDF works in millipts, thus the 1000)
- // test rational number
- assertEquals(1000, dejavuTTFFile.convertTTFUnit2PDFUnit(2048));
- // test smallest case, this should = 0.488 (round down to 0)
- assertEquals(0, dejavuTTFFile.convertTTFUnit2PDFUnit(1));
- // this should round up, but since it's millipts...
- assertEquals(0, dejavuTTFFile.convertTTFUnit2PDFUnit(2));
- // ensure behaviour is the same for negative numbers
- assertEquals(0, dejavuTTFFile.convertTTFUnit2PDFUnit(-0));
- assertEquals(-1000, dejavuTTFFile.convertTTFUnit2PDFUnit(-2048));
- assertEquals(0, dejavuTTFFile.convertTTFUnit2PDFUnit(-1));
- assertEquals(0, dejavuTTFFile.convertTTFUnit2PDFUnit(-2));
- }
-
- /**
- * Test checkTTC()
- * @throws IOException exception
- */
- @Test
- public void testCheckTTC() throws IOException {
- // DejaVu is not a TTC, thus this returns true
- String dejavuHeader = OFFontLoader.readHeader(dejavuReader);
- assertTrue(dejavuTTFFile.checkTTC(dejavuHeader, ""));
- String droidmonoHeader = OFFontLoader.readHeader(droidmonoReader);
- assertTrue(droidmonoTTFFile.checkTTC(droidmonoHeader, ""));
- /*
- * Cannot reasonably test the rest of this method without an actual truetype collection
- * because all methods in FontFileReader are "final" and thus mocking isn't possible.
- */
- }
-
- /**
- * Test getAnsiKerning() - Tests values retrieved from the kern table in the font file.
- */
- @Test
- public void testGetAnsiKerning() {
- Map<Integer, Map<Integer, Integer>> ansiKerning = dejavuTTFFile.getAnsiKerning();
- if (ansiKerning.isEmpty()) {
- fail();
- }
- Integer k1 = ansiKerning.get((int) 'A').get((int) 'T');
- assertEquals(dejavuTTFFile.convertTTFUnit2PDFUnit(-112), k1.intValue());
- Integer k2 = ansiKerning.get((int) 'Y').get((int) 'u');
- assertEquals(dejavuTTFFile.convertTTFUnit2PDFUnit(-178), k2.intValue());
-
- // DroidSansMono doens't have kerning (it's mono-spaced)
- ansiKerning = droidmonoTTFFile.getAnsiKerning();
- if (!ansiKerning.isEmpty()) {
- fail("DroidSansMono shouldn't have any kerning data.");
- }
-
- // AndroidEmoji doens't have kerning
- ansiKerning = androidEmojiTTFFile.getAnsiKerning();
- if (!ansiKerning.isEmpty()) {
- fail("AndroidEmoji shouldn't have any kerning data.");
- }
- }
-
- /**
- * Test getCapHeight - there are several paths to test:
- * 1) The PCLT table (if present)
- * 2) The yMax (3rd) value, for the bounding box, for 'H' in the glyf table.
- * if not the above:
- * 3) The caps height in the OS/2 table
- * Tests values retrieved from analysing the font file.
- */
- @Test
- public void testGetCapHeight() {
- // DejaVu doesn't have the PCLT table and so these have to be guessed
- // The height is approximated to be the height of the "H" which for
- // Deja = 1493 TTFunits
- assertEquals(dejavuTTFFile.convertTTFUnit2PDFUnit(1493), dejavuTTFFile.getCapHeight());
- // DroidSansMono doesn't have a PCLT table either
- // height of "H" = 1462
- assertEquals(droidmonoTTFFile.convertTTFUnit2PDFUnit(1462),
- droidmonoTTFFile.getCapHeight());
- // AndroidEmoji doesn't have a PCLT table either
- // height of "H" = 1462
- assertEquals(androidEmojiTTFFile.convertTTFUnit2PDFUnit(1462),
- androidEmojiTTFFile.getCapHeight());
- }
-
- /**
- * Test getCharSetName() - check that it returns "WinAnsiEncoding".
- */
- @Test
- public void testGetCharSetName() {
- assertTrue("WinAnsiEncoding".equals(dejavuTTFFile.getCharSetName()));
- assertTrue("WinAnsiEncoding".equals(droidmonoTTFFile.getCharSetName()));
- //Even though this pass I'm not sure whether is what we want
- assertTrue("WinAnsiEncoding".equals(androidEmojiTTFFile.getCharSetName()));
- }
-
- /**
- * Test getCharWidth() - Test values retrieved from the metrics in the glyf table in
- * the font file.
- */
- @Test
- public void testGetCharWidth() {
- // Arbitrarily test a few values:
- // The width of "H" (Unicode index 0x0048) is 1786
- assertEquals(dejavuTTFFile.convertTTFUnit2PDFUnit(1786), dejavuTTFFile.getCharWidth(0x48));
- // The width of "i" (unicode index 0x0069) is 655 TTFunits
- assertEquals(dejavuTTFFile.convertTTFUnit2PDFUnit(655), dejavuTTFFile.getCharWidth(0x69));
- // final check, "!" (unicode index 0x0021) is 823 TTFunits
- assertEquals(dejavuTTFFile.convertTTFUnit2PDFUnit(823), dejavuTTFFile.getCharWidth(0x21));
-
- // All the glyphs should be the same width in DroidSansMono (mono-spaced)
- int charWidth = droidmonoTTFFile.convertTTFUnit2PDFUnit(1229);
- for (int i = 0; i < 255; i++) {
- assertEquals(charWidth, droidmonoTTFFile.getCharWidth(i));
- }
-
- // All the glyphs should be the same width in EmojiAndroid (mono-spaced)
- charWidth = androidEmojiTTFFile.convertTTFUnit2PDFUnit(2600);
- for (int i = 0; i < 255; i++) {
- assertEquals(charWidth, androidEmojiTTFFile.getCharWidth(i));
- }
- }
-
- /**
- * TODO: add implementation to this test
- */
- @Test
- public void testGetCMaps() {
- List<CMapSegment> cmaps = androidEmojiTTFFile.getCMaps();
-
- for (CMapSegment seg : cmaps) {
- System.out.println(seg.getUnicodeStart() + "-" + seg.getUnicodeEnd() + " -> " + seg.getGlyphStartIndex());
- }
- }
-
- /**
- * Test getFamilyNames() - Test value retrieved from the name table in the font file.
- */
- @Test
- public void testGetFamilyNames() {
- assertEquals(1, dejavuTTFFile.getFamilyNames().size());
- for (String name : dejavuTTFFile.getFamilyNames()) {
- assertEquals("DejaVu LGC Serif", name);
- }
- assertEquals(1, droidmonoTTFFile.getFamilyNames().size());
- for (String name : droidmonoTTFFile.getFamilyNames()) {
- assertEquals("Droid Sans Mono", name);
- }
- assertEquals(1, androidEmojiTTFFile.getFamilyNames().size());
- for (String name : androidEmojiTTFFile.getFamilyNames()) {
- assertEquals("Android Emoji", name);
- }
- }
-
- /**
- * Test getFirstChar() - TODO: implement a more intelligent test here.
- */
- @Test
- public void testGetFirstChar() {
- // Not really sure how to test this intelligently
- assertEquals(0, dejavuTTFFile.getFirstChar());
- assertEquals(0, droidmonoTTFFile.getFirstChar());
- assertEquals(0, androidEmojiTTFFile.getFirstChar());
- }
-
- /**
- * Test getFlags() - Test values retrieved from the POST table in the font file.
- */
- @Test
- public void testGetFlags() {
- /* DejaVu flags are:
- * italic angle = 0
- * fixed pitch = 0
- * has serifs = true (default value; this font doesn't have a PCLT table)
- */
- int flags = dejavuTTFFile.getFlags();
- assertEquals(0, flags & 64); // Italics angle = 0
- assertEquals(32, flags & 32); // Adobe standard charset
- assertEquals(0, flags & 2); // fixed pitch = 0
- assertEquals(1, flags & 1); // has serifs = 1 (true)
- /*
- * Droid flags are:
- * italic angle = 0
- * fixed pitch = 1
- * has serifs = true (default value; this font doesn't have a PCLT table)
- */
- flags = droidmonoTTFFile.getFlags();
- assertEquals(0, flags & 64);
- assertEquals(32, flags & 32);
- assertEquals(2, flags & 2);
- assertEquals(1, flags & 1);
- /*
- * Android Emoji flags are:
- * italic angle = 0
- * fixed pitch = 0
- * has serifs = true (default value; this font doesn't have a PCLT table)
- */
- flags = androidEmojiTTFFile.getFlags();
- assertEquals(0, flags & 64);
- assertEquals(32, flags & 32);
- assertEquals(0, flags & 2);
- assertEquals(1, flags & 1);
- }
-
- /**
- * Test getFontBBox() - Test values retrieved from values in the HEAD table in the font file.
- */
- @Test
- public void testGetFontBBox() {
- int[] bBox = dejavuTTFFile.getFontBBox();
- /*
- * The head table has the following values(DejaVu):
- * xmin = -1576, ymin = -710, xmax = 3439, ymax = 2544
- */
- assertEquals(dejavuTTFFile.convertTTFUnit2PDFUnit(-1576), bBox[0]);
- assertEquals(dejavuTTFFile.convertTTFUnit2PDFUnit(-710), bBox[1]);
- assertEquals(dejavuTTFFile.convertTTFUnit2PDFUnit(3439), bBox[2]);
- assertEquals(dejavuTTFFile.convertTTFUnit2PDFUnit(2544), bBox[3]);
- /*
- * The head table has the following values (DroidSansMono):
- * xmin = -312, ymin= -555, xmax = 1315, ymax = 2163
- */
- bBox = droidmonoTTFFile.getFontBBox();
- assertEquals(droidmonoTTFFile.convertTTFUnit2PDFUnit(-312), bBox[0]);
- assertEquals(droidmonoTTFFile.convertTTFUnit2PDFUnit(-555), bBox[1]);
- assertEquals(droidmonoTTFFile.convertTTFUnit2PDFUnit(1315), bBox[2]);
- assertEquals(droidmonoTTFFile.convertTTFUnit2PDFUnit(2163), bBox[3]);
-
- /*
- * The head table has the following values (DroidSansMono):
- * xMin = -50, yMin = -733, xMax = 2550, yMax = 2181
- */
- bBox = androidEmojiTTFFile.getFontBBox();
- assertEquals(androidEmojiTTFFile.convertTTFUnit2PDFUnit(-50), bBox[0]);
- assertEquals(androidEmojiTTFFile.convertTTFUnit2PDFUnit(-733), bBox[1]);
- assertEquals(androidEmojiTTFFile.convertTTFUnit2PDFUnit(2550), bBox[2]);
- assertEquals(androidEmojiTTFFile.convertTTFUnit2PDFUnit(2181), bBox[3]);
- }
-
- /**
- * Test getFullName() - Test value retrieved from the name table in the font file.
- */
- @Test
- public void testGetFullName() {
- assertEquals("DejaVu LGC Serif", dejavuTTFFile.getFullName());
- assertEquals("Droid Sans Mono", droidmonoTTFFile.getFullName());
- assertEquals("Android Emoji", androidEmojiTTFFile.getFullName());
- }
-
- /**
- * Test getGlyphName - Test value retrieved from the POST table in the font file.
- */
- @Test
- public void testGetGlyphName() {
- assertEquals("H", dejavuTTFFile.getGlyphName(43));
- assertEquals("H", droidmonoTTFFile.getGlyphName(43));
- assertEquals("smileface", androidEmojiTTFFile.getGlyphName(64));
- }
-
- /**
- * Test getItalicAngle() - Test value retrieved from the POST table in the font file.
- */
- @Test
- public void testGetItalicAngle() {
- assertEquals("0", dejavuTTFFile.getItalicAngle());
- assertEquals("0", droidmonoTTFFile.getItalicAngle());
- assertEquals("0", androidEmojiTTFFile.getItalicAngle());
- }
-
- /**
- * Test getKerning() - Test values retrieved from the kern table in the font file.
- */
- @Test
- public void testGetKerning() {
- Map<Integer, Map<Integer, Integer>> kerning = dejavuTTFFile.getKerning();
- if (kerning.isEmpty()) {
- fail();
- }
- Integer k1 = kerning.get((int) 'A').get((int) 'T');
- assertEquals(dejavuTTFFile.convertTTFUnit2PDFUnit(-112), k1.intValue());
- Integer k2 = kerning.get((int) 'K').get((int) 'u');
- assertEquals(dejavuTTFFile.convertTTFUnit2PDFUnit(-45), k2.intValue());
-
- // DroidSansMono has no kerning data (mono-spaced)
- kerning = droidmonoTTFFile.getKerning();
- if (!kerning.isEmpty()) {
- fail("DroidSansMono shouldn't have any kerning data");
- }
-
- // AndroidEmoji doens't have kerning
- kerning = androidEmojiTTFFile.getKerning();
- if (!kerning.isEmpty()) {
- fail("AndroidEmoji shouldn't have any kerning data.");
- }
- }
-
- /**
- * Test lastChar() - TODO: implement a more intelligent test
- */
- @Test
- public void testLastChar() {
- assertEquals(0xff, dejavuTTFFile.getLastChar());
- assertEquals(0xff, droidmonoTTFFile.getLastChar());
- assertEquals(0xae, androidEmojiTTFFile.getLastChar()); // Last ASCII mapped char is REGISTERED SIGN
- }
-
- /**
- * Test getLowerCaseAscent() - There are several paths to test:
- * 1) The values in the HHEA table (see code)
- * 2) Fall back to values from the OS/2 table
- * Test values retrieved from the font file.
- */
- @Test
- public void testGetLowerCaseAscent() {
- assertEquals(dejavuTTFFile.convertTTFUnit2PDFUnit(1556),
- dejavuTTFFile.getLowerCaseAscent());
- // Curiously the same value
- assertEquals(droidmonoTTFFile.convertTTFUnit2PDFUnit(1556),
- droidmonoTTFFile.getLowerCaseAscent());
- //TODO: Nedd to be fixed?
- // 0 because the font miss letter glyph that are used in this method to guess the ascender:
- // OpenFont.guessVerticalMetricsFromGlyphBBox
- assertEquals(androidEmojiTTFFile.convertTTFUnit2PDFUnit(0),
- androidEmojiTTFFile.getLowerCaseAscent());
- }
-
- /**
- * Test getPostScriptName() - Test values retrieved from the post table in the font file.
- */
- @Test
- public void testGetPostScriptName() {
- assertEquals(PostScriptVersion.V2, dejavuTTFFile.getPostScriptVersion());
- assertEquals(PostScriptVersion.V2, droidmonoTTFFile.getPostScriptVersion());
- assertEquals(PostScriptVersion.V2, androidEmojiTTFFile.getPostScriptVersion());
- }
-
- /**
- * Test getStemV() - Undefined.
- */
- @Test
- public void testGetStemV() {
- // Undefined
- assertEquals("0", dejavuTTFFile.getStemV());
- assertEquals("0", droidmonoTTFFile.getStemV());
- assertEquals("0", androidEmojiTTFFile.getStemV());
- }
-
- /**
- * Test getSubFamilyName() - Test values retrieved from the name table in the font file.
- */
- @Test
- public void testGetSubFamilyName() {
- assertEquals("Book", dejavuTTFFile.getSubFamilyName());
- assertEquals("Regular", droidmonoTTFFile.getSubFamilyName());
- assertEquals("Regular", androidEmojiTTFFile.getSubFamilyName());
- }
-
- /**
- * Test getTTCnames() - TODO: add implementation with TTC font.
- */
- public void testGetTTCnames() {
- // Can't test with with DejaVu since it's not a TrueType Collection
- }
-
- /**
- * Test getWeightClass() - Test value retrieved from the OS/2 table in the font file.
- */
- @Test
- public void testGetWeightClass() {
- // Retrieved from OS/2 table
- assertEquals(400, dejavuTTFFile.getWeightClass());
- assertEquals(400, droidmonoTTFFile.getWeightClass());
- assertEquals(400, androidEmojiTTFFile.getWeightClass());
- }
-
- /**
- * Test getWidths() - Test values retrieved from the hmtx table in the font file.
- */
- @Test
- public void testGetWidths() {
- int[] widths = dejavuTTFFile.getWidths();
- // using the width of 'A' index = 36
- assertEquals(dejavuTTFFile.convertTTFUnit2PDFUnit(1479), widths[36]);
- // using the width of '|' index = 95
- assertEquals(dejavuTTFFile.convertTTFUnit2PDFUnit(690), widths[95]);
-
- // DroidSansMono should have all widths the same size (mono-spaced)
- widths = droidmonoTTFFile.getWidths();
- int charWidth = droidmonoTTFFile.convertTTFUnit2PDFUnit(1229);
- for (OpenFont.UnicodeMapping unicodeMapping : droidmonoTTFFile.unicodeMappings) {
- assertEquals(charWidth, widths[unicodeMapping.getGlyphIndex()]);
- }
-
- // All the glyphs should be the same width in EmojiAndroid (mono-spaced)
- charWidth = androidEmojiTTFFile.convertTTFUnit2PDFUnit(2600);
- widths = androidEmojiTTFFile.getWidths();
- for (OpenFont.UnicodeMapping unicodeMapping : androidEmojiTTFFile.unicodeMappings) {
- assertEquals(charWidth, widths[unicodeMapping.getGlyphIndex()]);
- }
- }
-
- @Test
- public void textUnicodeCoverage() {
- int nonBMPcount = 0;
- for (OpenFont.UnicodeMapping unicodeMapping : droidmonoTTFFile.unicodeMappings) {
- nonBMPcount += unicodeMapping.getUnicodeIndex() > 0xFFFF ? 1 : 0;
- }
- assertEquals("The font DroidSansMono is supposed to have only BMP codepoints", 0, nonBMPcount);
-
- nonBMPcount = 0;
- for (OpenFont.UnicodeMapping unicodeMapping : androidEmojiTTFFile.unicodeMappings) {
- nonBMPcount += unicodeMapping.getUnicodeIndex() > 0xFFFF ? 1 : 0;
- }
-
- assertTrue("The font AndroidEmoji is supposed to have non-BMP codepoints", 0 != nonBMPcount);
- }
-
- /**
- * Test getXHeight() - There are several paths to test:
- * 1) The PCLT table (if available)
- * 2) The yMax for the bounding box for 'x' in the glyf table.
- * Fall back:
- * 3) The xheight in the OS/2 table.
- */
- @Test
- public void testGetXHeight() {
- // Since there's no PCLT table, the height of 'x' is used for both DejaVu and DroidSansMono
- assertEquals(dejavuTTFFile.convertTTFUnit2PDFUnit(1064), dejavuTTFFile.getXHeight());
- assertEquals(droidmonoTTFFile.convertTTFUnit2PDFUnit(1098), droidmonoTTFFile.getXHeight());
- }
-
- /**
- * Test isCFF() - TODO: add test for a CFF font.
- */
- @Test
- public void testIsCFF() {
- // Neither DejaVu nor DroidSansMono are a compact format font
- assertEquals(false, dejavuTTFFile.isCFF());
- assertEquals(false, droidmonoTTFFile.isCFF());
- assertEquals(false, androidEmojiTTFFile.isCFF());
- }
-
- /**
- * Test isEmbeddable() - Test value retrieved from the OS/2 table in the font file.
- */
- @Test
- public void testIsEmbeddable() {
- // Dejavu and DroidSansMono are both embeddable
- assertEquals(true, dejavuTTFFile.isEmbeddable());
- assertEquals(true, droidmonoTTFFile.isEmbeddable());
- assertEquals(true, androidEmojiTTFFile.isEmbeddable());
- }
-
- /** Underline position and thickness. */
- @Test
- public void testUnderline() {
- assertEquals(-63, dejavuTTFFile.getUnderlinePosition());
- assertEquals(43, dejavuTTFFile.getUnderlineThickness());
- assertEquals(-75, droidmonoTTFFile.getUnderlinePosition());
- assertEquals(49, droidmonoTTFFile.getUnderlineThickness());
- assertEquals(-75, androidEmojiTTFFile.getUnderlinePosition());
- assertEquals(49, androidEmojiTTFFile.getUnderlineThickness());
- }
-
- /** Strikeout position and thickness. */
- @Test
- public void testStrikeout() {
- assertEquals(258, dejavuTTFFile.getStrikeoutPosition());
- assertEquals(49, dejavuTTFFile.getStrikeoutThickness());
- assertEquals(243, droidmonoTTFFile.getStrikeoutPosition());
- assertEquals(49, droidmonoTTFFile.getStrikeoutThickness());
- assertEquals(122, androidEmojiTTFFile.getStrikeoutPosition());
- assertEquals(24, androidEmojiTTFFile.getStrikeoutThickness());
- }
-
- /**
- * Test readFont() - Add implementation if necessary.
- */
- public void testReadFont() {
- // I'm pretty sure we've tested this with all the other tests
- }
-
- @Test
- public void testBBox() {
- assertEquals(dejavuTTFFile.getBBox(1)[0], 49);
- assertEquals(dejavuTTFFile.getBBox(2330).length, 4);
- }
- }
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