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| 1 | +package com.itextpdf.kernel.font; |
| 2 | + |
| 3 | +import com.itextpdf.io.font.FontEncoding; |
| 4 | +import com.itextpdf.io.font.FontProgram; |
| 5 | +import com.itextpdf.io.font.FontProgramFactory; |
| 6 | +import com.itextpdf.io.font.constants.StandardFonts; |
| 7 | +import com.itextpdf.io.font.otf.Glyph; |
| 8 | +import com.itextpdf.io.font.otf.GlyphLine; |
| 9 | +import com.itextpdf.kernel.pdf.PdfDictionary; |
| 10 | +import com.itextpdf.kernel.pdf.PdfOutputStream; |
| 11 | +import com.itextpdf.test.ExtendedITextTest; |
| 12 | +import com.itextpdf.test.annotations.type.UnitTest; |
| 13 | + |
| 14 | +import java.io.ByteArrayOutputStream; |
| 15 | +import java.io.IOException; |
| 16 | +import java.util.ArrayList; |
| 17 | +import java.util.List; |
| 18 | +import org.junit.Assert; |
| 19 | +import org.junit.BeforeClass; |
| 20 | +import org.junit.Test; |
| 21 | +import org.junit.experimental.categories.Category; |
| 22 | + |
| 23 | +@Category(UnitTest.class) |
| 24 | +public class PdfSimpleFontTest extends ExtendedITextTest { |
| 25 | + |
| 26 | + private static final byte T_CODE = 116; |
| 27 | + private static final byte E_CODE = 101; |
| 28 | + private static final byte E_CUSTOM_CODE = 103; |
| 29 | + private static final byte OPEN_BRACKET_CODE = 40; |
| 30 | + private static final byte CLOSE_BRACKET_CODE = 41; |
| 31 | + |
| 32 | + private static Glyph E_GLYPH_FONT_SPECIFIC; |
| 33 | + private static Glyph T_GLYPH_FONT_SPECIFIC; |
| 34 | + private static Glyph E_GLYPH_CUSTOM_MAPPED; |
| 35 | + |
| 36 | + @BeforeClass |
| 37 | + public static void init() { |
| 38 | + T_GLYPH_FONT_SPECIFIC = new Glyph(T_CODE, 278, 116, new int[]{14, -7, 257, 669}); |
| 39 | + T_GLYPH_FONT_SPECIFIC.setChars(new char[]{'t'}); |
| 40 | + |
| 41 | + E_GLYPH_FONT_SPECIFIC = new Glyph(E_CODE, 556, 101, new int[]{40, -15, 516, 538}); |
| 42 | + E_GLYPH_FONT_SPECIFIC.setChars(new char[]{'e'}); |
| 43 | + |
| 44 | + E_GLYPH_CUSTOM_MAPPED = new Glyph(E_CUSTOM_CODE, 44, 103); |
| 45 | + E_GLYPH_CUSTOM_MAPPED.setChars(new char[]{'e'}); |
| 46 | + } |
| 47 | + |
| 48 | + @Test |
| 49 | + public void createGlyphLineWithSpecificEncodingTest() throws IOException { |
| 50 | + PdfSimpleFont<FontProgram> fontToTest = new TestSimpleFont(FontEncoding.createFontSpecificEncoding()); |
| 51 | + GlyphLine glyphLine = fontToTest.createGlyphLine("te"); |
| 52 | + |
| 53 | + List<Glyph> glyphs = new ArrayList<>(); |
| 54 | + glyphs.add(T_GLYPH_FONT_SPECIFIC); |
| 55 | + glyphs.add(E_GLYPH_FONT_SPECIFIC); |
| 56 | + GlyphLine expected = new GlyphLine(glyphs, 0, 2); |
| 57 | + |
| 58 | + Assert.assertEquals(expected, glyphLine); |
| 59 | + } |
| 60 | + |
| 61 | + @Test |
| 62 | + public void createGlyphLineWithEmptyEncodingTest() throws IOException { |
| 63 | + PdfSimpleFont<FontProgram> fontToTest = new TestSimpleFont(FontEncoding.createEmptyFontEncoding()); |
| 64 | + GlyphLine glyphLine = fontToTest.createGlyphLine("te"); |
| 65 | + |
| 66 | + List<Glyph> glyphs = new ArrayList<>(); |
| 67 | + glyphs.add(E_GLYPH_CUSTOM_MAPPED); |
| 68 | + GlyphLine expected = new GlyphLine(glyphs, 0, 1); |
| 69 | + |
| 70 | + Assert.assertEquals(expected, glyphLine); |
| 71 | + } |
| 72 | + |
| 73 | + @Test |
| 74 | + public void appendGlyphsWithSpecificEncodingTest() throws IOException { |
| 75 | + PdfSimpleFont<FontProgram> fontToTest = new TestSimpleFont(FontEncoding.createFontSpecificEncoding()); |
| 76 | + List<Glyph> toAppend = new ArrayList<>(); |
| 77 | + int processed = fontToTest.appendGlyphs("te", 0, 1, toAppend); |
| 78 | + Assert.assertEquals(2, processed); |
| 79 | + |
| 80 | + List<Glyph> glyphs = new ArrayList<>(); |
| 81 | + glyphs.add(T_GLYPH_FONT_SPECIFIC); |
| 82 | + glyphs.add(E_GLYPH_FONT_SPECIFIC); |
| 83 | + |
| 84 | + Assert.assertEquals(glyphs, toAppend); |
| 85 | + } |
| 86 | + |
| 87 | + @Test |
| 88 | + public void appendGlyphsWithEmptyEncodingTest() throws IOException { |
| 89 | + PdfSimpleFont<FontProgram> fontToTest = new TestSimpleFont(FontEncoding.createEmptyFontEncoding()); |
| 90 | + List<Glyph> toAppend = new ArrayList<>(); |
| 91 | + int processed = fontToTest.appendGlyphs("e ete", 0, 4, toAppend); |
| 92 | + Assert.assertEquals(3, processed); |
| 93 | + |
| 94 | + List<Glyph> glyphs = new ArrayList<>(); |
| 95 | + glyphs.add(E_GLYPH_CUSTOM_MAPPED); |
| 96 | + glyphs.add(E_GLYPH_CUSTOM_MAPPED); |
| 97 | + |
| 98 | + Assert.assertEquals(glyphs, toAppend); |
| 99 | + } |
| 100 | + |
| 101 | + @Test |
| 102 | + public void appendAnyGlyphWithSpecificEncodingTest() throws IOException { |
| 103 | + PdfSimpleFont<FontProgram> fontToTest = new TestSimpleFont(FontEncoding.createFontSpecificEncoding()); |
| 104 | + List<Glyph> toAppend = new ArrayList<>(); |
| 105 | + int processed = fontToTest.appendAnyGlyph("te", 0, toAppend); |
| 106 | + Assert.assertEquals(1, processed); |
| 107 | + |
| 108 | + List<Glyph> glyphs = new ArrayList<>(); |
| 109 | + glyphs.add(T_GLYPH_FONT_SPECIFIC); |
| 110 | + |
| 111 | + Assert.assertEquals(glyphs, toAppend); |
| 112 | + } |
| 113 | + |
| 114 | + @Test |
| 115 | + public void appendAnyGlyphWithEmptyEncodingTest() throws IOException { |
| 116 | + PdfSimpleFont<FontProgram> fontToTest = new TestSimpleFont(FontEncoding.createEmptyFontEncoding()); |
| 117 | + List<Glyph> toAppend = new ArrayList<>(); |
| 118 | + int processed = fontToTest.appendAnyGlyph("e ete", 0, toAppend); |
| 119 | + Assert.assertEquals(1, processed); |
| 120 | + |
| 121 | + List<Glyph> glyphs = new ArrayList<>(); |
| 122 | + glyphs.add(E_GLYPH_CUSTOM_MAPPED); |
| 123 | + |
| 124 | + Assert.assertEquals(glyphs, toAppend); |
| 125 | + } |
| 126 | + |
| 127 | + @Test |
| 128 | + public void convertGlyphLineToBytesWithSpecificEncodingTest() throws IOException { |
| 129 | + PdfSimpleFont<FontProgram> fontToTest = new TestSimpleFont(FontEncoding.createFontSpecificEncoding()); |
| 130 | + |
| 131 | + List<Glyph> glyphs = new ArrayList<>(); |
| 132 | + glyphs.add(T_GLYPH_FONT_SPECIFIC); |
| 133 | + glyphs.add(E_GLYPH_FONT_SPECIFIC); |
| 134 | + GlyphLine glyphLine = new GlyphLine(glyphs, 0, 2); |
| 135 | + |
| 136 | + byte[] bytes = fontToTest.convertToBytes(glyphLine); |
| 137 | + |
| 138 | + Assert.assertArrayEquals(new byte[]{T_CODE, E_CODE}, bytes); |
| 139 | + } |
| 140 | + |
| 141 | + @Test |
| 142 | + public void convertGlyphLineToBytesWithEmptyEncodingTest() throws IOException { |
| 143 | + PdfSimpleFont<FontProgram> fontToTest = new TestSimpleFont(FontEncoding.createEmptyFontEncoding()); |
| 144 | + |
| 145 | + List<Glyph> glyphs = new ArrayList<>(); |
| 146 | + glyphs.add(T_GLYPH_FONT_SPECIFIC); |
| 147 | + glyphs.add(E_GLYPH_FONT_SPECIFIC); |
| 148 | + GlyphLine glyphLine = new GlyphLine(glyphs, 0, 2); |
| 149 | + |
| 150 | + byte[] bytes = fontToTest.convertToBytes(glyphLine); |
| 151 | + |
| 152 | + Assert.assertArrayEquals(new byte[0], bytes); |
| 153 | + } |
| 154 | + |
| 155 | + @Test |
| 156 | + public void convertToBytesWithNullEntry() throws IOException { |
| 157 | + PdfSimpleFont<FontProgram> fontToTest = new TestSimpleFont(FontEncoding.createEmptyFontEncoding()); |
| 158 | + |
| 159 | + byte[] bytes = fontToTest.convertToBytes((GlyphLine) null); |
| 160 | + |
| 161 | + Assert.assertArrayEquals(new byte[0], bytes); |
| 162 | + } |
| 163 | + |
| 164 | + @Test |
| 165 | + public void convertGlyphToBytesWithSpecificEncodingTest() throws IOException { |
| 166 | + PdfSimpleFont<FontProgram> fontToTest = new TestSimpleFont(FontEncoding.createFontSpecificEncoding()); |
| 167 | + |
| 168 | + byte[] bytes = fontToTest.convertToBytes(E_GLYPH_FONT_SPECIFIC); |
| 169 | + |
| 170 | + Assert.assertArrayEquals(new byte[]{E_CODE}, bytes); |
| 171 | + } |
| 172 | + |
| 173 | + @Test |
| 174 | + public void convertGlyphToBytesWithCustomEncodingTest() throws IOException { |
| 175 | + FontEncoding emptyFontEncoding = FontEncoding.createEmptyFontEncoding(); |
| 176 | + emptyFontEncoding.addSymbol(E_CUSTOM_CODE, E_CODE); |
| 177 | + PdfSimpleFont<FontProgram> fontToTest = new TestSimpleFont(emptyFontEncoding); |
| 178 | + |
| 179 | + byte[] bytes = fontToTest.convertToBytes(E_GLYPH_FONT_SPECIFIC); |
| 180 | + |
| 181 | + Assert.assertArrayEquals(new byte[]{E_CUSTOM_CODE}, bytes); |
| 182 | + } |
| 183 | + |
| 184 | + @Test |
| 185 | + public void convertGlyphToBytesWithEmptyEncodingTest() throws IOException { |
| 186 | + PdfSimpleFont<FontProgram> fontToTest = new TestSimpleFont(FontEncoding.createEmptyFontEncoding()); |
| 187 | + |
| 188 | + byte[] bytes = fontToTest.convertToBytes(E_GLYPH_FONT_SPECIFIC); |
| 189 | + |
| 190 | + Assert.assertArrayEquals(new byte[0], bytes); |
| 191 | + } |
| 192 | + |
| 193 | + @Test |
| 194 | + public void writeTextGlyphLineWithSpecificEncodingTest() throws IOException { |
| 195 | + PdfSimpleFont<FontProgram> fontToTest = new TestSimpleFont(FontEncoding.createFontSpecificEncoding()); |
| 196 | + |
| 197 | + List<Glyph> glyphs = new ArrayList<>(); |
| 198 | + glyphs.add(T_GLYPH_FONT_SPECIFIC); |
| 199 | + glyphs.add(E_GLYPH_FONT_SPECIFIC); |
| 200 | + GlyphLine glyphLine = new GlyphLine(glyphs, 0, 2); |
| 201 | + |
| 202 | + ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| 203 | + try (PdfOutputStream pos = new PdfOutputStream(bos)) { |
| 204 | + fontToTest.writeText(glyphLine, 0, 1, pos); |
| 205 | + } |
| 206 | + |
| 207 | + Assert.assertArrayEquals(new byte[]{OPEN_BRACKET_CODE, T_CODE, E_CODE, CLOSE_BRACKET_CODE}, bos.toByteArray()); |
| 208 | + } |
| 209 | + |
| 210 | + @Test |
| 211 | + public void writeTextGlyphLineWithCustomEncodingTest() throws IOException { |
| 212 | + FontEncoding fontEncoding = FontEncoding.createEmptyFontEncoding(); |
| 213 | + fontEncoding.addSymbol(E_CUSTOM_CODE, E_CODE); |
| 214 | + PdfSimpleFont<FontProgram> fontToTest = new TestSimpleFont(fontEncoding); |
| 215 | + |
| 216 | + List<Glyph> glyphs = new ArrayList<>(); |
| 217 | + glyphs.add(E_GLYPH_FONT_SPECIFIC); |
| 218 | + glyphs.add(T_GLYPH_FONT_SPECIFIC); |
| 219 | + GlyphLine glyphLine = new GlyphLine(glyphs, 0, 2); |
| 220 | + |
| 221 | + ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| 222 | + try (PdfOutputStream pos = new PdfOutputStream(bos)) { |
| 223 | + fontToTest.writeText(glyphLine, 0, 1, pos); |
| 224 | + } |
| 225 | + |
| 226 | + Assert.assertArrayEquals(new byte[]{OPEN_BRACKET_CODE, E_CUSTOM_CODE, CLOSE_BRACKET_CODE}, bos.toByteArray()); |
| 227 | + } |
| 228 | + |
| 229 | + @Test |
| 230 | + public void writeTextGlyphLineWithEmptyEncodingTest() throws IOException { |
| 231 | + PdfSimpleFont<FontProgram> fontToTest = new TestSimpleFont(FontEncoding.createEmptyFontEncoding()); |
| 232 | + |
| 233 | + List<Glyph> glyphs = new ArrayList<>(); |
| 234 | + glyphs.add(E_GLYPH_FONT_SPECIFIC); |
| 235 | + glyphs.add(T_GLYPH_FONT_SPECIFIC); |
| 236 | + GlyphLine glyphLine = new GlyphLine(glyphs, 0, 2); |
| 237 | + |
| 238 | + ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| 239 | + try (PdfOutputStream pos = new PdfOutputStream(bos)) { |
| 240 | + fontToTest.writeText(glyphLine, 0, 1, pos); |
| 241 | + } |
| 242 | + |
| 243 | + Assert.assertArrayEquals(new byte[]{OPEN_BRACKET_CODE, CLOSE_BRACKET_CODE}, bos.toByteArray()); |
| 244 | + } |
| 245 | + |
| 246 | + private static class TestSimpleFont extends PdfSimpleFont<FontProgram> { |
| 247 | + |
| 248 | + public TestSimpleFont(FontEncoding fontEncoding) throws IOException { |
| 249 | + this.fontEncoding = fontEncoding; |
| 250 | + setFontProgram(FontProgramFactory.createFont(StandardFonts.HELVETICA)); |
| 251 | + } |
| 252 | + |
| 253 | + @Override |
| 254 | + public Glyph getGlyph(int unicode) { |
| 255 | + if (unicode == E_CODE) { |
| 256 | + return E_GLYPH_CUSTOM_MAPPED; |
| 257 | + } |
| 258 | + return null; |
| 259 | + } |
| 260 | + |
| 261 | + @Override |
| 262 | + protected void addFontStream(PdfDictionary fontDescriptor) { |
| 263 | + |
| 264 | + } |
| 265 | + } |
| 266 | + |
| 267 | +} |
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