1 /* 2 * Copyright 2014 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #include "Resources.h" 9 #include "SkCommandLineFlags.h" 10 #include "SkFontMgr_android_parser.h" 11 #include "Test.h" 12 13 #include <cmath> 14 #include <cstdio> 15 16 DECLARE_bool(verboseFontMgr); 17 18 int CountFallbacks(SkTDArray<FontFamily*> fontFamilies) { 19 int countOfFallbackFonts = 0; 20 for (int i = 0; i < fontFamilies.count(); i++) { 21 if (fontFamilies[i]->fIsFallbackFont) { 22 countOfFallbackFonts++; 23 } 24 } 25 return countOfFallbackFonts; 26 } 27 28 //https://tools.ietf.org/html/rfc5234#appendix-B.1 29 static bool isALPHA(int c) { 30 return ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z'); 31 } 32 33 //https://tools.ietf.org/html/rfc5234#appendix-B.1 34 static bool isDIGIT(int c) { 35 return ('0' <= c && c <= '9'); 36 } 37 38 void ValidateLoadedFonts(SkTDArray<FontFamily*> fontFamilies, const char* firstExpectedFile, 39 skiatest::Reporter* reporter) { 40 REPORTER_ASSERT(reporter, fontFamilies[0]->fNames.count() == 5); 41 REPORTER_ASSERT(reporter, !strcmp(fontFamilies[0]->fNames[0].c_str(), "sans-serif")); 42 REPORTER_ASSERT(reporter, 43 !strcmp(fontFamilies[0]->fFonts[0].fFileName.c_str(), firstExpectedFile)); 44 REPORTER_ASSERT(reporter, !fontFamilies[0]->fIsFallbackFont); 45 46 // Check that the languages are all sane. 47 for (int i = 0; i < fontFamilies.count(); ++i) { 48 const SkString& lang = fontFamilies[i]->fLanguage.getTag(); 49 for (size_t j = 0; j < lang.size(); ++j) { 50 int c = lang[j]; 51 REPORTER_ASSERT(reporter, isALPHA(c) || isDIGIT(c) || '-' == c); 52 } 53 } 54 55 // All file names in the test configuration files start with a capital letter. 56 // This is not a general requirement, but it is true of all the test configuration data. 57 // Verifying ensures the filenames have been read sanely and have not been 'sliced'. 58 for (int i = 0; i < fontFamilies.count(); ++i) { 59 FontFamily& family = *fontFamilies[i]; 60 for (int j = 0; j < family.fFonts.count(); ++j) { 61 FontFileInfo& file = family.fFonts[j]; 62 REPORTER_ASSERT(reporter, !file.fFileName.isEmpty() && 63 file.fFileName[0] >= 'A' && 64 file.fFileName[0] <= 'Z'); 65 } 66 } 67 } 68 69 void DumpLoadedFonts(SkTDArray<FontFamily*> fontFamilies, const char* label) { 70 if (!FLAGS_verboseFontMgr) { 71 return; 72 } 73 74 SkDebugf("\n--- Dumping %s\n", label); 75 for (int i = 0; i < fontFamilies.count(); ++i) { 76 SkDebugf("Family %d:\n", i); 77 switch(fontFamilies[i]->fVariant) { 78 case kElegant_FontVariant: SkDebugf(" elegant\n"); break; 79 case kCompact_FontVariant: SkDebugf(" compact\n"); break; 80 default: break; 81 } 82 SkDebugf(" basePath %s\n", fontFamilies[i]->fBasePath.c_str()); 83 if (!fontFamilies[i]->fLanguage.getTag().isEmpty()) { 84 SkDebugf(" language %s\n", fontFamilies[i]->fLanguage.getTag().c_str()); 85 } 86 for (int j = 0; j < fontFamilies[i]->fNames.count(); ++j) { 87 SkDebugf(" name %s\n", fontFamilies[i]->fNames[j].c_str()); 88 } 89 for (int j = 0; j < fontFamilies[i]->fFonts.count(); ++j) { 90 const FontFileInfo& ffi = fontFamilies[i]->fFonts[j]; 91 SkDebugf(" file (%d) %s#%d", ffi.fWeight, ffi.fFileName.c_str(), ffi.fIndex); 92 for (const auto& axis : ffi.fAxes) { 93 SkDebugf(" @'%c%c%c%c'=%f", 94 (axis.fTag >> 24) & 0xFF, 95 (axis.fTag >> 16) & 0xFF, 96 (axis.fTag >> 8) & 0xFF, 97 (axis.fTag ) & 0xFF, 98 axis.fStyleValue); 99 } 100 SkDebugf("\n"); 101 } 102 } 103 SkDebugf("\n\n"); 104 } 105 106 template <int N, typename T> static double test_parse_fixed_r(skiatest::Reporter* reporter, 107 double low, double high, double inc) 108 { 109 double SK_FixedMax_double = nextafter(1 << (sizeof(T) * CHAR_BIT - N - 1), 0.0); 110 double SK_FixedEpsilon_double = (1.0 / (1 << N)); 111 double maxError = 0; 112 char buffer[64]; 113 for (double f = low; f < high; f += inc) { 114 SkString s; 115 // 'sprintf' formatting as expected depends on the current locale being "C". 116 // We currently expect tests and tools to run in the "C" locale. 117 sprintf(buffer, "%.20f", f); 118 T fix; 119 bool b = parse_fixed<N>(buffer, &fix); 120 if (b) { 121 double f2 = fix * SK_FixedEpsilon_double; 122 double error = fabs(f - f2); 123 REPORTER_ASSERT(reporter, error <= SK_FixedEpsilon_double); 124 maxError = SkTMax(maxError, error); 125 } else { 126 REPORTER_ASSERT(reporter, f < -SK_FixedMax_double || SK_FixedMax_double < f); 127 } 128 } 129 130 //SkDebugf("maxError: %.20f\n", maxError); 131 return maxError; 132 } 133 134 static void test_parse_fixed(skiatest::Reporter* reporter) { 135 test_parse_fixed_r<27, int32_t>(reporter, -8.1, -7.9, 0.000001); 136 test_parse_fixed_r<27, int32_t>(reporter, -0.1, 0.1, 0.000001); 137 test_parse_fixed_r<27, int32_t>(reporter, 7.9, 8.1, 0.000001); 138 test_parse_fixed_r<16, int32_t>(reporter, -0.125, 0.125, 1.0 / (1 << 19)); 139 test_parse_fixed_r<16, int32_t>(reporter, -32768.125, -32766.875, 1.0 / (1 << 17)); 140 test_parse_fixed_r<16, int32_t>(reporter, 32766.875, 32768.125, 1.0 / (1 << 17)); 141 test_parse_fixed_r<16, int32_t>(reporter, -1.1, 1.1, 0.0001); 142 143 SkFixed fix; 144 REPORTER_ASSERT(reporter, !parse_fixed<27>("-17.1", &fix)); 145 REPORTER_ASSERT(reporter, !parse_fixed<16>("32768", &fix)); 146 REPORTER_ASSERT(reporter, !parse_fixed<16>("", &fix)); 147 REPORTER_ASSERT(reporter, !parse_fixed<16>(".", &fix)); 148 REPORTER_ASSERT(reporter, !parse_fixed<16>("123.", &fix)); 149 REPORTER_ASSERT(reporter, !parse_fixed<16>("a", &fix)); 150 REPORTER_ASSERT(reporter, !parse_fixed<16>(".123a", &fix)); 151 } 152 153 DEF_TEST(FontMgrAndroidParser, reporter) { 154 test_parse_fixed(reporter); 155 156 bool resourcesMissing = false; 157 158 SkTDArray<FontFamily*> preV17FontFamilies; 159 SkFontMgr_Android_Parser::GetCustomFontFamilies(preV17FontFamilies, 160 SkString("/custom/font/path/"), 161 GetResourcePath("android_fonts/pre_v17/system_fonts.xml").c_str(), 162 GetResourcePath("android_fonts/pre_v17/fallback_fonts.xml").c_str()); 163 164 if (preV17FontFamilies.count() > 0) { 165 REPORTER_ASSERT(reporter, preV17FontFamilies.count() == 14); 166 REPORTER_ASSERT(reporter, CountFallbacks(preV17FontFamilies) == 10); 167 168 DumpLoadedFonts(preV17FontFamilies, "pre version 17"); 169 ValidateLoadedFonts(preV17FontFamilies, "Roboto-Regular.ttf", reporter); 170 } else { 171 resourcesMissing = true; 172 } 173 preV17FontFamilies.deleteAll(); 174 175 176 SkTDArray<FontFamily*> v17FontFamilies; 177 SkFontMgr_Android_Parser::GetCustomFontFamilies(v17FontFamilies, 178 SkString("/custom/font/path/"), 179 GetResourcePath("android_fonts/v17/system_fonts.xml").c_str(), 180 GetResourcePath("android_fonts/v17/fallback_fonts.xml").c_str(), 181 GetResourcePath("android_fonts/v17").c_str()); 182 183 if (v17FontFamilies.count() > 0) { 184 REPORTER_ASSERT(reporter, v17FontFamilies.count() == 56); 185 REPORTER_ASSERT(reporter, CountFallbacks(v17FontFamilies) == 46); 186 187 DumpLoadedFonts(v17FontFamilies, "version 17"); 188 ValidateLoadedFonts(v17FontFamilies, "Roboto-Regular.ttf", reporter); 189 } else { 190 resourcesMissing = true; 191 } 192 v17FontFamilies.deleteAll(); 193 194 195 SkTDArray<FontFamily*> v22FontFamilies; 196 SkFontMgr_Android_Parser::GetCustomFontFamilies(v22FontFamilies, 197 SkString("/custom/font/path/"), 198 GetResourcePath("android_fonts/v22/fonts.xml").c_str(), 199 nullptr); 200 201 if (v22FontFamilies.count() > 0) { 202 REPORTER_ASSERT(reporter, v22FontFamilies.count() == 54); 203 REPORTER_ASSERT(reporter, CountFallbacks(v22FontFamilies) == 42); 204 205 DumpLoadedFonts(v22FontFamilies, "version 22"); 206 ValidateLoadedFonts(v22FontFamilies, "Roboto-Thin.ttf", reporter); 207 } else { 208 resourcesMissing = true; 209 } 210 v22FontFamilies.deleteAll(); 211 212 if (resourcesMissing) { 213 SkDebugf("---- Resource files missing for FontConfigParser test\n"); 214 } 215 } 216 217
