| /* |
| * Copyright 2014 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "include/core/SkBitmap.h" |
| #include "include/core/SkCanvas.h" |
| #include "include/core/SkColor.h" |
| #include "include/core/SkFont.h" |
| #include "include/core/SkFontArguments.h" |
| #include "include/core/SkFontMgr.h" |
| #include "include/core/SkFontStyle.h" |
| #include "include/core/SkPaint.h" |
| #include "include/core/SkPoint.h" |
| #include "include/core/SkRefCnt.h" |
| #include "include/core/SkScalar.h" |
| #include "include/core/SkStream.h" |
| #include "include/core/SkString.h" |
| #include "include/core/SkTypeface.h" |
| #include "include/core/SkTypes.h" |
| #include "include/ports/SkFontMgr_android.h" |
| #include "include/private/SkFixed.h" |
| #include "include/private/base/SkTArray.h" |
| #include "include/private/base/SkTDArray.h" |
| #include "src/core/SkOSFile.h" |
| #include "src/core/SkTHash.h" |
| #include "src/ports/SkFontMgr_android_parser.h" |
| #include "tests/Test.h" |
| #include "tools/Resources.h" |
| #include "tools/flags/CommandLineFlags.h" |
| |
| #include <algorithm> |
| #include <climits> |
| #include <cmath> |
| #include <cstdint> |
| #include <cstdio> |
| #include <memory> |
| #include <string> |
| |
| DECLARE_bool(verboseFontMgr) |
| |
| int CountFallbacks(SkTDArray<FontFamily*> fontFamilies) { |
| int countOfFallbackFonts = 0; |
| for (int i = 0; i < fontFamilies.size(); i++) { |
| if (fontFamilies[i]->fIsFallbackFont) { |
| countOfFallbackFonts++; |
| } |
| } |
| return countOfFallbackFonts; |
| } |
| |
| //https://tools.ietf.org/html/rfc5234#appendix-B.1 |
| static bool isALPHA(int c) { |
| return ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z'); |
| } |
| |
| //https://tools.ietf.org/html/rfc5234#appendix-B.1 |
| static bool isDIGIT(int c) { |
| return ('0' <= c && c <= '9'); |
| } |
| |
| static void ValidateLoadedFonts(SkTDArray<FontFamily*> fontFamilies, const char* firstExpectedFile, |
| skiatest::Reporter* reporter) { |
| REPORTER_ASSERT(reporter, fontFamilies[0]->fNames.size() == 5); |
| REPORTER_ASSERT(reporter, !strcmp(fontFamilies[0]->fNames[0].c_str(), "sans-serif")); |
| REPORTER_ASSERT(reporter, |
| !strcmp(fontFamilies[0]->fFonts[0].fFileName.c_str(), firstExpectedFile)); |
| REPORTER_ASSERT(reporter, !fontFamilies[0]->fIsFallbackFont); |
| |
| // Check that the languages are all sane. |
| for (const auto& fontFamily : fontFamilies) { |
| for (const auto& lang : fontFamily->fLanguages) { |
| const SkString& langString = lang.getTag(); |
| for (size_t i = 0; i < langString.size(); ++i) { |
| int c = langString[i]; |
| REPORTER_ASSERT(reporter, isALPHA(c) || isDIGIT(c) || '-' == c); |
| } |
| } |
| } |
| |
| // All file names in the test configuration files start with a capital letter. |
| // This is not a general requirement, but it is true of all the test configuration data. |
| // Verifying ensures the filenames have been read sanely and have not been 'sliced'. |
| for (int i = 0; i < fontFamilies.size(); ++i) { |
| FontFamily& family = *fontFamilies[i]; |
| for (int j = 0; j < family.fFonts.size(); ++j) { |
| FontFileInfo& file = family.fFonts[j]; |
| REPORTER_ASSERT(reporter, !file.fFileName.isEmpty() && |
| file.fFileName[0] >= 'A' && |
| file.fFileName[0] <= 'Z'); |
| } |
| } |
| } |
| |
| static void DumpFiles(const FontFamily& fontFamily) { |
| for (int j = 0; j < fontFamily.fFonts.size(); ++j) { |
| const FontFileInfo& ffi = fontFamily.fFonts[j]; |
| SkDebugf(" file (%d) %s#%d", ffi.fWeight, ffi.fFileName.c_str(), ffi.fIndex); |
| for (const auto& coordinate : ffi.fVariationDesignPosition) { |
| SkDebugf(" @'%c%c%c%c'=%f", |
| (coordinate.axis >> 24) & 0xFF, |
| (coordinate.axis >> 16) & 0xFF, |
| (coordinate.axis >> 8) & 0xFF, |
| (coordinate.axis ) & 0xFF, |
| coordinate.value); |
| } |
| SkDebugf("\n"); |
| } |
| } |
| |
| static void DumpLoadedFonts(SkTDArray<FontFamily*> fontFamilies, const char* label) { |
| if (!FLAGS_verboseFontMgr) { |
| return; |
| } |
| |
| SkDebugf("\n--- Dumping %s\n", label); |
| for (int i = 0; i < fontFamilies.size(); ++i) { |
| SkDebugf("Family %d:\n", i); |
| switch(fontFamilies[i]->fVariant) { |
| case kElegant_FontVariant: SkDebugf(" elegant\n"); break; |
| case kCompact_FontVariant: SkDebugf(" compact\n"); break; |
| default: break; |
| } |
| SkDebugf(" basePath %s\n", fontFamilies[i]->fBasePath.c_str()); |
| if (!fontFamilies[i]->fLanguages.empty()) { |
| SkDebugf(" language"); |
| for (const auto& lang : fontFamilies[i]->fLanguages) { |
| SkDebugf(" %s", lang.getTag().c_str()); |
| } |
| SkDebugf("\n"); |
| } |
| for (int j = 0; j < fontFamilies[i]->fNames.size(); ++j) { |
| SkDebugf(" name %s\n", fontFamilies[i]->fNames[j].c_str()); |
| } |
| DumpFiles(*fontFamilies[i]); |
| for (const auto& [unused, fallbackFamily] : fontFamilies[i]->fallbackFamilies) { |
| SkDebugf(" Fallback for: %s\n", fallbackFamily->fFallbackFor.c_str()); |
| DumpFiles(*fallbackFamily); |
| } |
| } |
| SkDebugf("\n\n"); |
| } |
| |
| template <int N, typename T> static double test_parse_fixed_r(skiatest::Reporter* reporter, |
| double low, double high, double inc) |
| { |
| double SK_FixedMax_double = nextafter(1 << (sizeof(T) * CHAR_BIT - N - 1), 0.0); |
| double SK_FixedEpsilon_double = (1.0 / (1 << N)); |
| double maxError = 0; |
| char buffer[64]; |
| for (double f = low; f < high; f += inc) { |
| SkString s; |
| // 'sprintf' formatting as expected depends on the current locale being "C". |
| // We currently expect tests and tools to run in the "C" locale. |
| sprintf(buffer, "%.20f", f); |
| T fix; |
| bool b = parse_fixed<N>(buffer, &fix); |
| if (b) { |
| double f2 = fix * SK_FixedEpsilon_double; |
| double error = fabs(f - f2); |
| REPORTER_ASSERT(reporter, error <= SK_FixedEpsilon_double); |
| maxError = std::max(maxError, error); |
| } else { |
| REPORTER_ASSERT(reporter, f < -SK_FixedMax_double || SK_FixedMax_double < f); |
| } |
| } |
| |
| //SkDebugf("maxError: %.20f\n", maxError); |
| return maxError; |
| } |
| |
| static void test_parse_fixed(skiatest::Reporter* reporter) { |
| test_parse_fixed_r<27, int32_t>(reporter, -8.1, -7.9, 0.000001); |
| test_parse_fixed_r<27, int32_t>(reporter, -0.1, 0.1, 0.000001); |
| test_parse_fixed_r<27, int32_t>(reporter, 7.9, 8.1, 0.000001); |
| test_parse_fixed_r<16, int32_t>(reporter, -0.125, 0.125, 1.0 / (1 << 19)); |
| test_parse_fixed_r<16, int32_t>(reporter, -32768.125, -32766.875, 1.0 / (1 << 17)); |
| test_parse_fixed_r<16, int32_t>(reporter, 32766.875, 32768.125, 1.0 / (1 << 17)); |
| test_parse_fixed_r<16, int32_t>(reporter, -1.1, 1.1, 0.0001); |
| |
| SkFixed fix; |
| REPORTER_ASSERT(reporter, !parse_fixed<27>("-17.1", &fix)); |
| REPORTER_ASSERT(reporter, !parse_fixed<16>("32768", &fix)); |
| REPORTER_ASSERT(reporter, !parse_fixed<16>("", &fix)); |
| REPORTER_ASSERT(reporter, !parse_fixed<16>(".", &fix)); |
| REPORTER_ASSERT(reporter, !parse_fixed<16>("123.", &fix)); |
| REPORTER_ASSERT(reporter, !parse_fixed<16>("a", &fix)); |
| REPORTER_ASSERT(reporter, !parse_fixed<16>(".123a", &fix)); |
| } |
| |
| DEF_TEST(FontMgrAndroidParser, reporter) { |
| test_parse_fixed(reporter); |
| |
| bool resourcesMissing = false; |
| |
| SkTDArray<FontFamily*> preV17FontFamilies; |
| SkFontMgr_Android_Parser::GetCustomFontFamilies(preV17FontFamilies, |
| SkString("/custom/font/path/"), |
| GetResourcePath("android_fonts/pre_v17/system_fonts.xml").c_str(), |
| GetResourcePath("android_fonts/pre_v17/fallback_fonts.xml").c_str()); |
| |
| if (preV17FontFamilies.size() > 0) { |
| REPORTER_ASSERT(reporter, preV17FontFamilies.size() == 14); |
| REPORTER_ASSERT(reporter, CountFallbacks(preV17FontFamilies) == 10); |
| |
| DumpLoadedFonts(preV17FontFamilies, "pre version 17"); |
| ValidateLoadedFonts(preV17FontFamilies, "Roboto-Regular.ttf", reporter); |
| } else { |
| resourcesMissing = true; |
| } |
| for (FontFamily* p : preV17FontFamilies) { |
| delete p; |
| } |
| preV17FontFamilies.reset(); |
| |
| |
| SkTDArray<FontFamily*> v17FontFamilies; |
| SkFontMgr_Android_Parser::GetCustomFontFamilies(v17FontFamilies, |
| SkString("/custom/font/path/"), |
| GetResourcePath("android_fonts/v17/system_fonts.xml").c_str(), |
| GetResourcePath("android_fonts/v17/fallback_fonts.xml").c_str(), |
| GetResourcePath("android_fonts/v17").c_str()); |
| |
| if (v17FontFamilies.size() > 0) { |
| REPORTER_ASSERT(reporter, v17FontFamilies.size() == 56); |
| REPORTER_ASSERT(reporter, CountFallbacks(v17FontFamilies) == 46); |
| |
| DumpLoadedFonts(v17FontFamilies, "version 17"); |
| ValidateLoadedFonts(v17FontFamilies, "Roboto-Regular.ttf", reporter); |
| } else { |
| resourcesMissing = true; |
| } |
| for (FontFamily* p : v17FontFamilies) { |
| delete p; |
| } |
| v17FontFamilies.reset(); |
| |
| |
| SkTDArray<FontFamily*> v22FontFamilies; |
| SkFontMgr_Android_Parser::GetCustomFontFamilies(v22FontFamilies, |
| SkString("/custom/font/path/"), |
| GetResourcePath("android_fonts/v22/fonts.xml").c_str(), |
| nullptr); |
| |
| if (v22FontFamilies.size() > 0) { |
| REPORTER_ASSERT(reporter, v22FontFamilies.size() == 54); |
| REPORTER_ASSERT(reporter, CountFallbacks(v22FontFamilies) == 42); |
| |
| DumpLoadedFonts(v22FontFamilies, "version 22"); |
| ValidateLoadedFonts(v22FontFamilies, "Roboto-Thin.ttf", reporter); |
| } else { |
| resourcesMissing = true; |
| } |
| for (FontFamily* p : v22FontFamilies) { |
| delete p; |
| } |
| v22FontFamilies.reset(); |
| |
| if (resourcesMissing) { |
| SkDebugf("---- Resource files missing for FontConfigParser test\n"); |
| } |
| } |
| |
| DEF_TEST(FontMgrAndroidLegacyMakeTypeface, reporter) { |
| constexpr char fontsXmlFilename[] = "fonts/fonts.xml"; |
| SkString basePath = GetResourcePath("fonts/"); |
| SkString fontsXml = GetResourcePath(fontsXmlFilename); |
| |
| if (!sk_exists(fontsXml.c_str())) { |
| ERRORF(reporter, "file missing: %s\n", fontsXmlFilename); |
| return; |
| } |
| |
| SkFontMgr_Android_CustomFonts custom; |
| custom.fSystemFontUse = SkFontMgr_Android_CustomFonts::kOnlyCustom; |
| custom.fBasePath = basePath.c_str(); |
| custom.fFontsXml = fontsXml.c_str(); |
| custom.fFallbackFontsXml = nullptr; |
| custom.fIsolated = false; |
| |
| sk_sp<SkFontMgr> fm(SkFontMgr_New_Android(&custom)); |
| sk_sp<SkTypeface> t(fm->legacyMakeTypeface("non-existent-font", SkFontStyle())); |
| REPORTER_ASSERT(reporter, nullptr == t); |
| } |
| |
| static bool bitmap_compare(const SkBitmap& ref, const SkBitmap& test) { |
| for (int y = 0; y < test.height(); ++y) { |
| for (int x = 0; x < test.width(); ++x) { |
| SkColor testColor = test.getColor(x, y); |
| SkColor refColor = ref.getColor(x, y); |
| if (refColor != testColor) { |
| return false; |
| } |
| } |
| } |
| return true; |
| } |
| |
| DEF_TEST(FontMgrAndroidSystemVariableTypeface, reporter) { |
| constexpr char fontsXmlFilename[] = "fonts/fonts.xml"; |
| SkString basePath = GetResourcePath("fonts/"); |
| SkString fontsXml = GetResourcePath(fontsXmlFilename); |
| |
| if (!sk_exists(fontsXml.c_str())) { |
| ERRORF(reporter, "file missing: %s\n", fontsXmlFilename); |
| return; |
| } |
| |
| SkFontMgr_Android_CustomFonts custom; |
| custom.fSystemFontUse = SkFontMgr_Android_CustomFonts::kOnlyCustom; |
| custom.fBasePath = basePath.c_str(); |
| custom.fFontsXml = fontsXml.c_str(); |
| custom.fFallbackFontsXml = nullptr; |
| custom.fIsolated = false; |
| |
| sk_sp<SkFontMgr> fontMgr(SkFontMgr_New_Android(&custom)); |
| // "sans-serif" in "fonts/fonts.xml" is "fonts/Distortable.ttf" |
| sk_sp<SkTypeface> typeface(fontMgr->legacyMakeTypeface("sans-serif", SkFontStyle())); |
| |
| SkBitmap bitmapStream; |
| bitmapStream.allocN32Pixels(64, 64); |
| SkCanvas canvasStream(bitmapStream); |
| canvasStream.drawColor(SK_ColorWHITE); |
| |
| SkBitmap bitmapClone; |
| bitmapClone.allocN32Pixels(64, 64); |
| SkCanvas canvasClone(bitmapClone); |
| canvasStream.drawColor(SK_ColorWHITE); |
| |
| SkPaint paint; |
| paint.setColor(SK_ColorGRAY); |
| paint.setAntiAlias(true); |
| constexpr float kTextSize = 20; |
| |
| std::unique_ptr<SkStreamAsset> distortableStream( |
| GetResourceAsStream("fonts/Distortable.ttf")); |
| if (!distortableStream) { |
| return; |
| } |
| |
| SkPoint point = SkPoint::Make(20.0f, 20.0f); |
| SkFourByteTag tag = SkSetFourByteTag('w', 'g', 'h', 't'); |
| |
| for (int i = 0; i < 10; ++i) { |
| SkScalar styleValue = |
| SkDoubleToScalar(0.5 + i * ((2.0 - 0.5) / 10)); |
| SkFontArguments::VariationPosition::Coordinate |
| coordinates[] = {{tag, styleValue}}; |
| SkFontArguments::VariationPosition |
| position = {coordinates, std::size(coordinates)}; |
| |
| SkFont fontStream( |
| fontMgr->makeFromStream(distortableStream->duplicate(), |
| SkFontArguments().setVariationDesignPosition(position)), |
| kTextSize); |
| fontStream.setEdging(SkFont::Edging::kSubpixelAntiAlias); |
| |
| |
| SkFont fontClone( |
| typeface->makeClone(SkFontArguments().setVariationDesignPosition(position)), kTextSize); |
| fontClone.setEdging(SkFont::Edging::kSubpixelAntiAlias); |
| |
| constexpr char text[] = "abc"; |
| |
| canvasStream.drawColor(SK_ColorWHITE); |
| canvasStream.drawString(text, point.fX, point.fY, fontStream, paint); |
| |
| canvasClone.drawColor(SK_ColorWHITE); |
| canvasClone.drawString(text, point.fX, point.fY, fontClone, paint); |
| |
| bool success = bitmap_compare(bitmapStream, bitmapClone); |
| REPORTER_ASSERT(reporter, success); |
| } |
| } |
| |
| DEF_TEST(FontMgrAndroidSystemFallbackFor, reporter) { |
| constexpr char fontsXmlFilename[] = "fonts/fonts.xml"; |
| SkString basePath = GetResourcePath("fonts/"); |
| SkString fontsXml = GetResourcePath(fontsXmlFilename); |
| |
| if (!sk_exists(fontsXml.c_str())) { |
| ERRORF(reporter, "file missing: %s\n", fontsXmlFilename); |
| return; |
| } |
| |
| SkFontMgr_Android_CustomFonts custom; |
| custom.fSystemFontUse = SkFontMgr_Android_CustomFonts::kOnlyCustom; |
| custom.fBasePath = basePath.c_str(); |
| custom.fFontsXml = fontsXml.c_str(); |
| custom.fFallbackFontsXml = nullptr; |
| custom.fIsolated = false; |
| |
| sk_sp<SkFontMgr> fontMgr(SkFontMgr_New_Android(&custom)); |
| // "sans-serif" in "fonts/fonts.xml" is "fonts/Distortable.ttf", which doesn't have a '!' |
| // but "TestTTC" has a bold font which does have '!' and is marked as fallback for "sans-serif" |
| // and should take precedence over the same font marked as normal weight next to it. |
| sk_sp<SkTypeface> typeface(fontMgr->matchFamilyStyleCharacter( |
| "sans-serif", SkFontStyle(), nullptr, 0, '!')); |
| |
| REPORTER_ASSERT(reporter, typeface->fontStyle() == SkFontStyle::Bold()); |
| } |