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tomhudsonf79673b2014-08-05 06:36:11 -07001/*
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"
bungemaneb2be7f2015-02-10 07:51:12 -08009#include "SkCommandLineFlags.h"
benjaminwagner6c71e0a2016-04-07 08:49:31 -070010#include "SkFixed.h"
bungemanc5308542015-06-23 13:25:46 -070011#include "SkFontMgr_android_parser.h"
tomhudsonf79673b2014-08-05 06:36:11 -070012#include "Test.h"
13
bungeman41868fe2015-05-20 09:21:04 -070014#include <cmath>
15#include <cstdio>
16
bungemaneb2be7f2015-02-10 07:51:12 -080017DECLARE_bool(verboseFontMgr);
18
tomhudson2ed49a42014-08-13 07:53:48 -070019int 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
bungemanc3c69432015-02-11 07:18:51 -080029//https://tools.ietf.org/html/rfc5234#appendix-B.1
30static 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
35static bool isDIGIT(int c) {
36 return ('0' <= c && c <= '9');
37}
38
bungeman4b86bac2014-11-04 10:54:31 -080039void ValidateLoadedFonts(SkTDArray<FontFamily*> fontFamilies, const char* firstExpectedFile,
tomhudsonf79673b2014-08-05 06:36:11 -070040 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,
bungeman4b86bac2014-11-04 10:54:31 -080044 !strcmp(fontFamilies[0]->fFonts[0].fFileName.c_str(), firstExpectedFile));
tomhudsonf79673b2014-08-05 06:36:11 -070045 REPORTER_ASSERT(reporter, !fontFamilies[0]->fIsFallbackFont);
bungemanc3c69432015-02-11 07:18:51 -080046
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 }
bungeman9a0808f2015-02-13 08:55:16 -080055
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 }
tomhudsonf79673b2014-08-05 06:36:11 -070068}
69
bungeman3d47e212015-02-13 18:30:11 -080070void DumpLoadedFonts(SkTDArray<FontFamily*> fontFamilies, const char* label) {
bungemaneb2be7f2015-02-10 07:51:12 -080071 if (!FLAGS_verboseFontMgr) {
72 return;
73 }
74
bungeman3d47e212015-02-13 18:30:11 -080075 SkDebugf("\n--- Dumping %s\n", label);
tomhudsonf79673b2014-08-05 06:36:11 -070076 for (int i = 0; i < fontFamilies.count(); ++i) {
77 SkDebugf("Family %d:\n", i);
tomhudson07544752014-08-05 13:35:00 -070078 switch(fontFamilies[i]->fVariant) {
bungemana44e9b92015-01-30 19:58:19 -080079 case kElegant_FontVariant: SkDebugf(" elegant\n"); break;
80 case kCompact_FontVariant: SkDebugf(" compact\n"); break;
tomhudson07544752014-08-05 13:35:00 -070081 default: break;
82 }
bungemaneb2be7f2015-02-10 07:51:12 -080083 SkDebugf(" basePath %s\n", fontFamilies[i]->fBasePath.c_str());
tomhudson07544752014-08-05 13:35:00 -070084 if (!fontFamilies[i]->fLanguage.getTag().isEmpty()) {
bungemana44e9b92015-01-30 19:58:19 -080085 SkDebugf(" language %s\n", fontFamilies[i]->fLanguage.getTag().c_str());
tomhudson07544752014-08-05 13:35:00 -070086 }
tomhudsonf79673b2014-08-05 06:36:11 -070087 for (int j = 0; j < fontFamilies[i]->fNames.count(); ++j) {
88 SkDebugf(" name %s\n", fontFamilies[i]->fNames[j].c_str());
89 }
tomhudsond3ddea22014-08-11 11:28:00 -070090 for (int j = 0; j < fontFamilies[i]->fFonts.count(); ++j) {
91 const FontFileInfo& ffi = fontFamilies[i]->fFonts[j];
bungeman47a1e962016-02-25 11:20:01 -080092 SkDebugf(" file (%d) %s#%d", ffi.fWeight, ffi.fFileName.c_str(), ffi.fIndex);
Ben Wagnerfc497342017-02-24 11:15:26 -050093 for (const auto& coordinate : ffi.fVariationDesignPosition) {
bungeman47a1e962016-02-25 11:20:01 -080094 SkDebugf(" @'%c%c%c%c'=%f",
Ben Wagnerfc497342017-02-24 11:15:26 -050095 (coordinate.axis >> 24) & 0xFF,
96 (coordinate.axis >> 16) & 0xFF,
97 (coordinate.axis >> 8) & 0xFF,
98 (coordinate.axis ) & 0xFF,
99 coordinate.value);
bungeman47a1e962016-02-25 11:20:01 -0800100 }
101 SkDebugf("\n");
tomhudson07544752014-08-05 13:35:00 -0700102 }
tomhudsonf79673b2014-08-05 06:36:11 -0700103 }
bungemanc3c69432015-02-11 07:18:51 -0800104 SkDebugf("\n\n");
tomhudsonf79673b2014-08-05 06:36:11 -0700105}
106
bungeman41868fe2015-05-20 09:21:04 -0700107template <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
135static 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
bungemanc5308542015-06-23 13:25:46 -0700154DEF_TEST(FontMgrAndroidParser, reporter) {
bungeman41868fe2015-05-20 09:21:04 -0700155 test_parse_fixed(reporter);
tomhudsonf79673b2014-08-05 06:36:11 -0700156
tomhudson8aed3c12014-08-07 10:20:51 -0700157 bool resourcesMissing = false;
158
tomhudsonf79673b2014-08-05 06:36:11 -0700159 SkTDArray<FontFamily*> preV17FontFamilies;
bungemanc5308542015-06-23 13:25:46 -0700160 SkFontMgr_Android_Parser::GetCustomFontFamilies(preV17FontFamilies,
bungeman7fa87cd2015-02-06 07:59:19 -0800161 SkString("/custom/font/path/"),
tomhudsonf79673b2014-08-05 06:36:11 -0700162 GetResourcePath("android_fonts/pre_v17/system_fonts.xml").c_str(),
163 GetResourcePath("android_fonts/pre_v17/fallback_fonts.xml").c_str());
164
tomhudson8aed3c12014-08-07 10:20:51 -0700165 if (preV17FontFamilies.count() > 0) {
166 REPORTER_ASSERT(reporter, preV17FontFamilies.count() == 14);
tomhudson2ed49a42014-08-13 07:53:48 -0700167 REPORTER_ASSERT(reporter, CountFallbacks(preV17FontFamilies) == 10);
tomhudsonf79673b2014-08-05 06:36:11 -0700168
bungeman3d47e212015-02-13 18:30:11 -0800169 DumpLoadedFonts(preV17FontFamilies, "pre version 17");
bungeman4b86bac2014-11-04 10:54:31 -0800170 ValidateLoadedFonts(preV17FontFamilies, "Roboto-Regular.ttf", reporter);
tomhudson8aed3c12014-08-07 10:20:51 -0700171 } else {
172 resourcesMissing = true;
173 }
bungeman91e51cb2015-07-15 14:29:25 -0400174 preV17FontFamilies.deleteAll();
tomhudsonf79673b2014-08-05 06:36:11 -0700175
tomhudson07544752014-08-05 13:35:00 -0700176
tomhudsonf79673b2014-08-05 06:36:11 -0700177 SkTDArray<FontFamily*> v17FontFamilies;
bungemanc5308542015-06-23 13:25:46 -0700178 SkFontMgr_Android_Parser::GetCustomFontFamilies(v17FontFamilies,
bungeman7fa87cd2015-02-06 07:59:19 -0800179 SkString("/custom/font/path/"),
tomhudsonf79673b2014-08-05 06:36:11 -0700180 GetResourcePath("android_fonts/v17/system_fonts.xml").c_str(),
bungemanc3c69432015-02-11 07:18:51 -0800181 GetResourcePath("android_fonts/v17/fallback_fonts.xml").c_str(),
182 GetResourcePath("android_fonts/v17").c_str());
tomhudsonf79673b2014-08-05 06:36:11 -0700183
tomhudson8aed3c12014-08-07 10:20:51 -0700184 if (v17FontFamilies.count() > 0) {
bungemanc3c69432015-02-11 07:18:51 -0800185 REPORTER_ASSERT(reporter, v17FontFamilies.count() == 56);
186 REPORTER_ASSERT(reporter, CountFallbacks(v17FontFamilies) == 46);
tomhudsonf79673b2014-08-05 06:36:11 -0700187
bungeman3d47e212015-02-13 18:30:11 -0800188 DumpLoadedFonts(v17FontFamilies, "version 17");
bungeman4b86bac2014-11-04 10:54:31 -0800189 ValidateLoadedFonts(v17FontFamilies, "Roboto-Regular.ttf", reporter);
tomhudson8aed3c12014-08-07 10:20:51 -0700190 } else {
191 resourcesMissing = true;
192 }
bungeman91e51cb2015-07-15 14:29:25 -0400193 v17FontFamilies.deleteAll();
tomhudsonf79673b2014-08-05 06:36:11 -0700194
tomhudson07544752014-08-05 13:35:00 -0700195
tomhudsonf79673b2014-08-05 06:36:11 -0700196 SkTDArray<FontFamily*> v22FontFamilies;
bungemanc5308542015-06-23 13:25:46 -0700197 SkFontMgr_Android_Parser::GetCustomFontFamilies(v22FontFamilies,
bungeman7fa87cd2015-02-06 07:59:19 -0800198 SkString("/custom/font/path/"),
tomhudsonf79673b2014-08-05 06:36:11 -0700199 GetResourcePath("android_fonts/v22/fonts.xml").c_str(),
halcanary96fcdcc2015-08-27 07:41:13 -0700200 nullptr);
tomhudsonf79673b2014-08-05 06:36:11 -0700201
tomhudson8aed3c12014-08-07 10:20:51 -0700202 if (v22FontFamilies.count() > 0) {
bungeman41868fe2015-05-20 09:21:04 -0700203 REPORTER_ASSERT(reporter, v22FontFamilies.count() == 54);
tomhudson2ed49a42014-08-13 07:53:48 -0700204 REPORTER_ASSERT(reporter, CountFallbacks(v22FontFamilies) == 42);
tomhudsonf79673b2014-08-05 06:36:11 -0700205
bungeman3d47e212015-02-13 18:30:11 -0800206 DumpLoadedFonts(v22FontFamilies, "version 22");
bungeman4b86bac2014-11-04 10:54:31 -0800207 ValidateLoadedFonts(v22FontFamilies, "Roboto-Thin.ttf", reporter);
tomhudson8aed3c12014-08-07 10:20:51 -0700208 } else {
209 resourcesMissing = true;
210 }
bungeman91e51cb2015-07-15 14:29:25 -0400211 v22FontFamilies.deleteAll();
tomhudson8aed3c12014-08-07 10:20:51 -0700212
213 if (resourcesMissing) {
214 SkDebugf("---- Resource files missing for FontConfigParser test\n");
215 }
tomhudsonf79673b2014-08-05 06:36:11 -0700216}