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 "SkFixed.h" 11 #include "SkFontMgr_android.h" 12 #include "SkFontMgr_android_parser.h" 13 #include "SkOSFile.h" 14 #include "SkTypeface.h" 15 #include "Test.h" 16 17 #include <cmath> 18 #include <cstdio> 19 20 DECLARE_bool(verboseFontMgr); 21 22 int CountFallbacks(SkTDArray<FontFamily*> fontFamilies) { 23 int countOfFallbackFonts = 0; 24 for (int i = 0; i < fontFamilies.count(); i++) { 25 if (fontFamilies[i]->fIsFallbackFont) { 26 countOfFallbackFonts++; 27 } 28 } 29 return countOfFallbackFonts; 30 } 31 32 //https://tools.ietf.org/html/rfc5234#appendix-B.1 33 static bool isALPHA(int c) { 34 return ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z'); 35 } 36 37 //https://tools.ietf.org/html/rfc5234#appendix-B.1 38 static bool isDIGIT(int c) { 39 return ('0' <= c && c <= '9'); 40 } 41 42 void ValidateLoadedFonts(SkTDArray<FontFamily*> fontFamilies, const char* firstExpectedFile, 43 skiatest::Reporter* reporter) { 44 REPORTER_ASSERT(reporter, fontFamilies[0]->fNames.count() == 5); 45 REPORTER_ASSERT(reporter, !strcmp(fontFamilies[0]->fNames[0].c_str(), "sans-serif")); 46 REPORTER_ASSERT(reporter, 47 !strcmp(fontFamilies[0]->fFonts[0].fFileName.c_str(), firstExpectedFile)); 48 REPORTER_ASSERT(reporter, !fontFamilies[0]->fIsFallbackFont); 49 50 // Check that the languages are all sane. 51 for (const auto& fontFamily : fontFamilies) { 52 for (const auto& lang : fontFamily->fLanguages) { 53 const SkString& langString = lang.getTag(); 54 for (size_t i = 0; i < langString.size(); ++i) { 55 int c = langString[i]; 56 REPORTER_ASSERT(reporter, isALPHA(c) || isDIGIT(c) || '-' == c); 57 } 58 } 59 } 60 61 // All file names in the test configuration files start with a capital letter. 62 // This is not a general requirement, but it is true of all the test configuration data. 63 // Verifying ensures the filenames have been read sanely and have not been 'sliced'. 64 for (int i = 0; i < fontFamilies.count(); ++i) { 65 FontFamily& family = *fontFamilies[i]; 66 for (int j = 0; j < family.fFonts.count(); ++j) { 67 FontFileInfo& file = family.fFonts[j]; 68 REPORTER_ASSERT(reporter, !file.fFileName.isEmpty() && 69 file.fFileName[0] >= 'A' && 70 file.fFileName[0] <= 'Z'); 71 } 72 } 73 } 74 75 void DumpLoadedFonts(SkTDArray<FontFamily*> fontFamilies, const char* label) { 76 if (!FLAGS_verboseFontMgr) { 77 return; 78 } 79 80 SkDebugf("\n--- Dumping %s\n", label); 81 for (int i = 0; i < fontFamilies.count(); ++i) { 82 SkDebugf("Family %d:\n", i); 83 switch(fontFamilies[i]->fVariant) { 84 case kElegant_FontVariant: SkDebugf(" elegant\n"); break; 85 case kCompact_FontVariant: SkDebugf(" compact\n"); break; 86 default: break; 87 } 88 SkDebugf(" basePath %s\n", fontFamilies[i]->fBasePath.c_str()); 89 if (!fontFamilies[i]->fLanguages.empty()) { 90 SkDebugf(" language"); 91 for (const auto& lang : fontFamilies[i]->fLanguages) { 92 SkDebugf(" %s", lang.getTag().c_str()); 93 } 94 SkDebugf("\n"); 95 } 96 for (int j = 0; j < fontFamilies[i]->fNames.count(); ++j) { 97 SkDebugf(" name %s\n", fontFamilies[i]->fNames[j].c_str()); 98 } 99 for (int j = 0; j < fontFamilies[i]->fFonts.count(); ++j) { 100 const FontFileInfo& ffi = fontFamilies[i]->fFonts[j]; 101 SkDebugf(" file (%d) %s#%d", ffi.fWeight, ffi.fFileName.c_str(), ffi.fIndex); 102 for (const auto& coordinate : ffi.fVariationDesignPosition) { 103 SkDebugf(" @'%c%c%c%c'=%f", 104 (coordinate.axis >> 24) & 0xFF, 105 (coordinate.axis >> 16) & 0xFF, 106 (coordinate.axis >> 8) & 0xFF, 107 (coordinate.axis ) & 0xFF, 108 coordinate.value); 109 } 110 SkDebugf("\n"); 111 } 112 } 113 SkDebugf("\n\n"); 114 } 115 116 template <int N, typename T> static double test_parse_fixed_r(skiatest::Reporter* reporter, 117 double low, double high, double inc) 118 { 119 double SK_FixedMax_double = nextafter(1 << (sizeof(T) * CHAR_BIT - N - 1), 0.0); 120 double SK_FixedEpsilon_double = (1.0 / (1 << N)); 121 double maxError = 0; 122 char buffer[64]; 123 for (double f = low; f < high; f += inc) { 124 SkString s; 125 // 'sprintf' formatting as expected depends on the current locale being "C". 126 // We currently expect tests and tools to run in the "C" locale. 127 sprintf(buffer, "%.20f", f); 128 T fix; 129 bool b = parse_fixed<N>(buffer, &fix); 130 if (b) { 131 double f2 = fix * SK_FixedEpsilon_double; 132 double error = fabs(f - f2); 133 REPORTER_ASSERT(reporter, error <= SK_FixedEpsilon_double); 134 maxError = SkTMax(maxError, error); 135 } else { 136 REPORTER_ASSERT(reporter, f < -SK_FixedMax_double || SK_FixedMax_double < f); 137 } 138 } 139 140 //SkDebugf("maxError: %.20f\n", maxError); 141 return maxError; 142 } 143 144 static void test_parse_fixed(skiatest::Reporter* reporter) { 145 test_parse_fixed_r<27, int32_t>(reporter, -8.1, -7.9, 0.000001); 146 test_parse_fixed_r<27, int32_t>(reporter, -0.1, 0.1, 0.000001); 147 test_parse_fixed_r<27, int32_t>(reporter, 7.9, 8.1, 0.000001); 148 test_parse_fixed_r<16, int32_t>(reporter, -0.125, 0.125, 1.0 / (1 << 19)); 149 test_parse_fixed_r<16, int32_t>(reporter, -32768.125, -32766.875, 1.0 / (1 << 17)); 150 test_parse_fixed_r<16, int32_t>(reporter, 32766.875, 32768.125, 1.0 / (1 << 17)); 151 test_parse_fixed_r<16, int32_t>(reporter, -1.1, 1.1, 0.0001); 152 153 SkFixed fix; 154 REPORTER_ASSERT(reporter, !parse_fixed<27>("-17.1", &fix)); 155 REPORTER_ASSERT(reporter, !parse_fixed<16>("32768", &fix)); 156 REPORTER_ASSERT(reporter, !parse_fixed<16>("", &fix)); 157 REPORTER_ASSERT(reporter, !parse_fixed<16>(".", &fix)); 158 REPORTER_ASSERT(reporter, !parse_fixed<16>("123.", &fix)); 159 REPORTER_ASSERT(reporter, !parse_fixed<16>("a", &fix)); 160 REPORTER_ASSERT(reporter, !parse_fixed<16>(".123a", &fix)); 161 } 162 163 DEF_TEST(FontMgrAndroidParser, reporter) { 164 test_parse_fixed(reporter); 165 166 bool resourcesMissing = false; 167 168 SkTDArray<FontFamily*> preV17FontFamilies; 169 SkFontMgr_Android_Parser::GetCustomFontFamilies(preV17FontFamilies, 170 SkString("/custom/font/path/"), 171 GetResourcePath("android_fonts/pre_v17/system_fonts.xml").c_str(), 172 GetResourcePath("android_fonts/pre_v17/fallback_fonts.xml").c_str()); 173 174 if (preV17FontFamilies.count() > 0) { 175 REPORTER_ASSERT(reporter, preV17FontFamilies.count() == 14); 176 REPORTER_ASSERT(reporter, CountFallbacks(preV17FontFamilies) == 10); 177 178 DumpLoadedFonts(preV17FontFamilies, "pre version 17"); 179 ValidateLoadedFonts(preV17FontFamilies, "Roboto-Regular.ttf", reporter); 180 } else { 181 resourcesMissing = true; 182 } 183 preV17FontFamilies.deleteAll(); 184 185 186 SkTDArray<FontFamily*> v17FontFamilies; 187 SkFontMgr_Android_Parser::GetCustomFontFamilies(v17FontFamilies, 188 SkString("/custom/font/path/"), 189 GetResourcePath("android_fonts/v17/system_fonts.xml").c_str(), 190 GetResourcePath("android_fonts/v17/fallback_fonts.xml").c_str(), 191 GetResourcePath("android_fonts/v17").c_str()); 192 193 if (v17FontFamilies.count() > 0) { 194 REPORTER_ASSERT(reporter, v17FontFamilies.count() == 56); 195 REPORTER_ASSERT(reporter, CountFallbacks(v17FontFamilies) == 46); 196 197 DumpLoadedFonts(v17FontFamilies, "version 17"); 198 ValidateLoadedFonts(v17FontFamilies, "Roboto-Regular.ttf", reporter); 199 } else { 200 resourcesMissing = true; 201 } 202 v17FontFamilies.deleteAll(); 203 204 205 SkTDArray<FontFamily*> v22FontFamilies; 206 SkFontMgr_Android_Parser::GetCustomFontFamilies(v22FontFamilies, 207 SkString("/custom/font/path/"), 208 GetResourcePath("android_fonts/v22/fonts.xml").c_str(), 209 nullptr); 210 211 if (v22FontFamilies.count() > 0) { 212 REPORTER_ASSERT(reporter, v22FontFamilies.count() == 54); 213 REPORTER_ASSERT(reporter, CountFallbacks(v22FontFamilies) == 42); 214 215 DumpLoadedFonts(v22FontFamilies, "version 22"); 216 ValidateLoadedFonts(v22FontFamilies, "Roboto-Thin.ttf", reporter); 217 } else { 218 resourcesMissing = true; 219 } 220 v22FontFamilies.deleteAll(); 221 222 if (resourcesMissing) { 223 SkDebugf("---- Resource files missing for FontConfigParser test\n"); 224 } 225 } 226 227 DEF_TEST(FontMgrAndroidLegacyMakeTypeface, reporter) { 228 constexpr char fontsXmlFilename[] = "fonts/fonts.xml"; 229 SkString basePath = GetResourcePath("fonts/"); 230 SkString fontsXml = GetResourcePath(fontsXmlFilename); 231 232 if (!sk_exists(fontsXml.c_str())) { 233 ERRORF(reporter, "file missing: %s\n", fontsXmlFilename); 234 return; 235 } 236 237 SkFontMgr_Android_CustomFonts custom; 238 custom.fSystemFontUse = SkFontMgr_Android_CustomFonts::kOnlyCustom; 239 custom.fBasePath = basePath.c_str(); 240 custom.fFontsXml = fontsXml.c_str(); 241 custom.fFallbackFontsXml = nullptr; 242 custom.fIsolated = false; 243 244 sk_sp<SkFontMgr> fm(SkFontMgr_New_Android(&custom)); 245 sk_sp<SkTypeface> t(fm->legacyMakeTypeface("non-existent-font", SkFontStyle())); 246 REPORTER_ASSERT(reporter, nullptr == t); 247 } 248
