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