| /* |
| * 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.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.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; |
| |
| |
| /** |
| * Constructor initialises FileFontReader to |
| * @throws IOException exception |
| */ |
| public TTFFileTestCase() throws IOException { |
| dejavuTTFFile = new TTFFile(); |
| InputStream dejaStream = new FileInputStream("test/resources/fonts/ttf/DejaVuLGCSerif.ttf"); |
| 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(); |
| } |
| |
| /** |
| * 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.getKerning(); |
| if (ansiKerning.isEmpty()) { |
| fail(); |
| } |
| Integer k1 = ansiKerning.get(Integer.valueOf('A')).get( |
| Integer.valueOf('T')); |
| assertEquals(dejavuTTFFile.convertTTFUnit2PDFUnit(-112), k1.intValue()); |
| Integer k2 = ansiKerning.get(Integer.valueOf('Y')).get(Integer.valueOf('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."); |
| } |
| } |
| |
| /** |
| * 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()); |
| } |
| |
| /** |
| * Test getCharSetName() - check that it returns "WinAnsiEncoding". |
| */ |
| @Test |
| public void testGetCharSetName() { |
| assertTrue("WinAnsiEncoding".equals(dejavuTTFFile.getCharSetName())); |
| assertTrue("WinAnsiEncoding".equals(droidmonoTTFFile.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)); |
| } |
| } |
| |
| /** |
| * TODO: add implementation to this test |
| */ |
| public void testGetCMaps() { |
| } |
| |
| /** |
| * 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); |
| } |
| } |
| |
| /** |
| * 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()); |
| } |
| |
| /** |
| * 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); |
| } |
| |
| /** |
| * 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]); |
| } |
| |
| /** |
| * 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()); |
| } |
| |
| /** |
| * 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)); |
| } |
| |
| /** |
| * 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()); |
| } |
| |
| /** |
| * 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(Integer.valueOf('A')).get(Integer.valueOf('T')); |
| assertEquals(dejavuTTFFile.convertTTFUnit2PDFUnit(-112), k1.intValue()); |
| Integer k2 = kerning.get(Integer.valueOf('K')).get(Integer.valueOf('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"); |
| } |
| } |
| |
| /** |
| * Test lastChar() - TODO: implement a more intelligent test |
| */ |
| @Test |
| public void testLastChar() { |
| assertEquals(0xff, dejavuTTFFile.getLastChar()); |
| assertEquals(0xff, droidmonoTTFFile.getLastChar()); |
| } |
| |
| /** |
| * 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()); |
| } |
| |
| /** |
| * 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()); |
| } |
| |
| /** |
| * Test getStemV() - Undefined. |
| */ |
| @Test |
| public void testGetStemV() { |
| // Undefined |
| assertEquals("0", dejavuTTFFile.getStemV()); |
| assertEquals("0", droidmonoTTFFile.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()); |
| } |
| |
| /** |
| * 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()); |
| } |
| |
| /** |
| * 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]); |
| widths = droidmonoTTFFile.getWidths(); |
| // DroidSansMono should have all widths the same size (mono-spaced) |
| int width = droidmonoTTFFile.convertTTFUnit2PDFUnit(1229); |
| for (int i = 0; i < 255; i++) { |
| assertEquals(width, widths[i]); |
| } |
| } |
| |
| /** |
| * 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()); |
| } |
| |
| /** |
| * 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()); |
| } |
| |
| /** Underline position and thickness. */ |
| @Test |
| public void testUnderline() { |
| assertEquals(-63, dejavuTTFFile.getUnderlinePosition()); |
| assertEquals(43, dejavuTTFFile.getUnderlineThickness()); |
| assertEquals(-75, droidmonoTTFFile.getUnderlinePosition()); |
| assertEquals(49, droidmonoTTFFile.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()); |
| } |
| |
| /** |
| * Test readFont() - Add implementation if necessary. |
| */ |
| public void testReadFont() { |
| // I'm pretty sure we've tested this with all the other tests |
| } |
| } |