| /* |
| * Copyright 2013 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/SkData.h" |
| #include "include/core/SkFontMgr.h" |
| #include "include/core/SkRefCnt.h" |
| #include "include/core/SkStream.h" |
| #include "include/core/SkTypeface.h" |
| #include "include/ports/SkTypeface_win.h" |
| #include "include/private/SkFixed.h" |
| #include "src/core/SkAdvancedTypefaceMetrics.h" |
| #include "src/core/SkFontDescriptor.h" |
| #include "src/core/SkFontMgrPriv.h" |
| #include "src/core/SkFontPriv.h" |
| #include "src/core/SkTypefaceCache.h" |
| #include "src/sfnt/SkOTTable_OS_2.h" |
| #include "src/sfnt/SkSFNTHeader.h" |
| #include "src/utils/SkUTF.h" |
| #include "tests/Test.h" |
| #include "tools/Resources.h" |
| #include "tools/ToolUtils.h" |
| #include "tools/fonts/TestEmptyTypeface.h" |
| |
| #include <memory> |
| |
| static void TypefaceStyle_test(skiatest::Reporter* reporter, |
| uint16_t weight, uint16_t width, SkData* data) |
| { |
| sk_sp<SkData> dataCopy; |
| if (!data->unique()) { |
| dataCopy = SkData::MakeWithCopy(data->data(), data->size()); |
| data = dataCopy.get(); |
| } |
| SkSFNTHeader* sfntHeader = static_cast<SkSFNTHeader*>(data->writable_data()); |
| |
| SkSFNTHeader::TableDirectoryEntry* tableEntry = |
| SkTAfter<SkSFNTHeader::TableDirectoryEntry>(sfntHeader); |
| SkSFNTHeader::TableDirectoryEntry* os2TableEntry = nullptr; |
| int numTables = SkEndian_SwapBE16(sfntHeader->numTables); |
| for (int tableEntryIndex = 0; tableEntryIndex < numTables; ++tableEntryIndex) { |
| if (SkOTTableOS2::TAG == tableEntry[tableEntryIndex].tag) { |
| os2TableEntry = tableEntry + tableEntryIndex; |
| break; |
| } |
| } |
| SkASSERT_RELEASE(os2TableEntry); |
| |
| size_t os2TableOffset = SkEndian_SwapBE32(os2TableEntry->offset); |
| SkOTTableOS2_V0* os2Table = SkTAddOffset<SkOTTableOS2_V0>(sfntHeader, os2TableOffset); |
| os2Table->usWeightClass.value = SkEndian_SwapBE16(weight); |
| using WidthType = SkOTTableOS2_V0::WidthClass::Value; |
| os2Table->usWidthClass.value = static_cast<WidthType>(SkEndian_SwapBE16(width)); |
| |
| sk_sp<SkTypeface> newTypeface(SkTypeface::MakeFromData(sk_ref_sp(data))); |
| if (!newTypeface) { |
| // Not all SkFontMgr can MakeFromStream(). |
| return; |
| } |
| |
| SkFontStyle newStyle = newTypeface->fontStyle(); |
| |
| //printf("%d, %f\n", weight, (newStyle.weight() - (float)0x7FFF) / (float)0x7FFF); |
| //printf("%d, %f\n", width , (newStyle.width() - (float)0x7F) / (float)0x7F); |
| //printf("%d, %d\n", weight, newStyle.weight()); |
| //printf("%d, %d\n", width , newStyle.width()); |
| |
| // Some back-ends (CG, GDI, DW) support OS/2 version A which uses 0 - 10 (but all differently). |
| REPORTER_ASSERT(reporter, |
| newStyle.weight() == weight || |
| (weight <= 10 && newStyle.weight() == 100 * weight) || |
| (weight == 4 && newStyle.weight() == 350) || // GDI weirdness |
| (weight == 5 && newStyle.weight() == 400) || // GDI weirdness |
| (weight == 0 && newStyle.weight() == 1) || // DW weirdness |
| (weight == 1000 && newStyle.weight() == 999) // DW weirdness |
| ); |
| |
| // Some back-ends (GDI) don't support width, ensure these always report 'medium'. |
| REPORTER_ASSERT(reporter, |
| newStyle.width() == width || |
| newStyle.width() == 5); |
| } |
| DEF_TEST(TypefaceStyle, reporter) { |
| std::unique_ptr<SkStreamAsset> stream(GetResourceAsStream("fonts/Em.ttf")); |
| if (!stream) { |
| REPORT_FAILURE(reporter, "fonts/Em.ttf", SkString("Cannot load resource")); |
| return; |
| } |
| sk_sp<SkData> data(SkData::MakeFromStream(stream.get(), stream->getLength())); |
| |
| using SkFS = SkFontStyle; |
| for (int weight = SkFS::kInvisible_Weight; weight <= SkFS::kExtraBlack_Weight; ++weight) { |
| TypefaceStyle_test(reporter, weight, 5, data.get()); |
| } |
| for (int width = SkFS::kUltraCondensed_Width; width <= SkFS::kUltraExpanded_Width; ++width) { |
| TypefaceStyle_test(reporter, 400, width, data.get()); |
| } |
| } |
| |
| DEF_TEST(TypefacePostScriptName, reporter) { |
| sk_sp<SkTypeface> typeface(MakeResourceAsTypeface("fonts/Em.ttf")); |
| if (!typeface) { |
| // Not all SkFontMgr can MakeFromStream(). |
| return; |
| } |
| |
| SkString postScriptName; |
| bool hasName = typeface->getPostScriptName(&postScriptName); |
| bool hasName2 = typeface->getPostScriptName(nullptr); |
| REPORTER_ASSERT(reporter, hasName == hasName2); |
| if (hasName) { |
| REPORTER_ASSERT(reporter, postScriptName == SkString("Em")); |
| } |
| } |
| |
| DEF_TEST(TypefaceRoundTrip, reporter) { |
| sk_sp<SkTypeface> typeface(MakeResourceAsTypeface("fonts/7630.otf")); |
| if (!typeface) { |
| // Not all SkFontMgr can MakeFromStream(). |
| return; |
| } |
| |
| int fontIndex; |
| std::unique_ptr<SkStreamAsset> stream = typeface->openStream(&fontIndex); |
| |
| sk_sp<SkFontMgr> fm = SkFontMgr::RefDefault(); |
| sk_sp<SkTypeface> typeface2 = fm->makeFromStream(std::move(stream), fontIndex); |
| REPORTER_ASSERT(reporter, typeface2); |
| } |
| |
| DEF_TEST(FontDescriptorNegativeVariationSerialize, reporter) { |
| SkFontDescriptor desc; |
| SkFontArguments::VariationPosition::Coordinate* variation = desc.setVariationCoordinates(1); |
| variation[0] = { 0, -1.0f }; |
| |
| SkDynamicMemoryWStream stream; |
| desc.serialize(&stream); |
| SkFontDescriptor descD; |
| SkFontDescriptor::Deserialize(stream.detachAsStream().get(), &descD); |
| |
| if (descD.getVariationCoordinateCount() != 1) { |
| REPORT_FAILURE(reporter, "descD.getVariationCoordinateCount() != 1", SkString()); |
| return; |
| } |
| |
| REPORTER_ASSERT(reporter, descD.getVariation()[0].value == -1.0f); |
| }; |
| |
| DEF_TEST(FontDescriptorDeserializeOldFormat, reporter) { |
| // From ossfuzz:26254 |
| const uint8_t old_serialized_desc[] = { |
| 0x0, //style |
| 0xff, 0xfb, 0x0, 0x0, 0x0, // kFontAxes |
| 0x0, // coordinateCount |
| 0xff, 0xff, 0x0, 0x0, 0x0, // kSentinel |
| 0x0, // data length |
| }; |
| |
| SkMemoryStream stream(old_serialized_desc, sizeof(old_serialized_desc), false); |
| SkFontDescriptor desc; |
| if (!SkFontDescriptor::Deserialize(&stream, &desc)) { |
| REPORT_FAILURE(reporter, "!SkFontDescriptor::Deserialize(&stream, &desc)", |
| SkString("bytes should be recognized unless removing support")); |
| return; |
| } |
| // This call should not crash and should not return a valid SkFontData. |
| std::unique_ptr<SkFontData> data = desc.maybeAsSkFontData(); |
| REPORTER_ASSERT(reporter, !data); |
| }; |
| |
| DEF_TEST(TypefaceAxes, reporter) { |
| using Variation = SkFontArguments::VariationPosition; |
| // In DWrite in at least up to 1901 18363.1198 IDWriteFontFace5::GetFontAxisValues and |
| // GetFontAxisValueCount along with IDWriteFontResource::GetFontAxisAttributes and |
| // GetFontAxisCount (and related) seem to incorrectly collapse multiple axes with the same tag. |
| // Since this is a limitation of the underlying implementation, for now allow the test to pass |
| // with the axis tag count (as opposed to the axis count). Eventually all implementations should |
| // pass this test without 'alsoAcceptedAxisTagCount'. |
| auto test = [&](SkTypeface* typeface, const Variation& expected, int alsoAcceptedAxisTagCount) { |
| if (!typeface) { |
| return; // Not all SkFontMgr can makeFromStream(). |
| } |
| |
| int actualCount = typeface->getVariationDesignPosition(nullptr, 0); |
| if (actualCount == -1) { |
| return; // The number of axes is unknown. |
| } |
| REPORTER_ASSERT(reporter, actualCount == expected.coordinateCount || |
| actualCount == alsoAcceptedAxisTagCount); |
| |
| // Variable font conservative bounds don't vary, so ensure they aren't reported. |
| REPORTER_ASSERT(reporter, typeface->getBounds().isEmpty()); |
| |
| std::unique_ptr<Variation::Coordinate[]> actual(new Variation::Coordinate[actualCount]); |
| actualCount = typeface->getVariationDesignPosition(actual.get(), actualCount); |
| if (actualCount == -1) { |
| return; // The position cannot be determined. |
| } |
| REPORTER_ASSERT(reporter, actualCount == expected.coordinateCount || |
| actualCount == alsoAcceptedAxisTagCount); |
| |
| // Every actual must be expected. |
| std::unique_ptr<bool[]> expectedUsed(new bool[expected.coordinateCount]()); |
| for (int actualIdx = 0; actualIdx < actualCount; ++actualIdx) { |
| bool actualFound = false; |
| for (int expectedIdx = 0; expectedIdx < expected.coordinateCount; ++expectedIdx) { |
| if (expectedUsed[expectedIdx]) { |
| continue; |
| } |
| |
| if (actual[actualIdx].axis != expected.coordinates[expectedIdx].axis) { |
| continue; |
| } |
| |
| // Convert to fixed for "almost equal". |
| SkFixed fixedRead = SkScalarToFixed(actual[actualIdx].value); |
| SkFixed fixedOriginal = SkScalarToFixed(expected.coordinates[expectedIdx].value); |
| if (!(SkTAbs(fixedRead - fixedOriginal) < 2)) { |
| continue; |
| } |
| |
| // This actual matched an unused expected. |
| actualFound = true; |
| expectedUsed[expectedIdx] = true; |
| break; |
| } |
| REPORTER_ASSERT(reporter, actualFound, |
| "Actual axis '%c%c%c%c' with value '%f' not expected", |
| (actual[actualIdx].axis >> 24) & 0xFF, |
| (actual[actualIdx].axis >> 16) & 0xFF, |
| (actual[actualIdx].axis >> 8) & 0xFF, |
| (actual[actualIdx].axis ) & 0xFF, |
| SkScalarToDouble(actual[actualIdx].value)); |
| } |
| }; |
| |
| sk_sp<SkFontMgr> fm = SkFontMgr::RefDefault(); |
| |
| // Not specifying a position should produce the default. |
| { |
| std::unique_ptr<SkStreamAsset> variable(GetResourceAsStream("fonts/Variable.ttf")); |
| if (!variable) { |
| REPORT_FAILURE(reporter, "variable", SkString()); |
| return; |
| } |
| const Variation::Coordinate defaultPosition[] = { |
| { SkSetFourByteTag('w','g','h','t'), 400.0f }, |
| { SkSetFourByteTag('w','d','t','h'), 100.0f }, |
| }; |
| sk_sp<SkTypeface> typeface = fm->makeFromStream(std::move(variable), 0); |
| test(typeface.get(), Variation{&defaultPosition[0], 2}, -1); |
| } |
| |
| // Multiple axes with the same tag (and min, max, default) works. |
| { |
| std::unique_ptr<SkStreamAsset> dupTags(GetResourceAsStream("fonts/VaryAlongQuads.ttf")); |
| if (!dupTags) { |
| REPORT_FAILURE(reporter, "dupTags", SkString()); |
| return; |
| } |
| |
| // The position may be over specified. If there are multiple values for a given axis, |
| // ensure the last one since that's what css-fonts-4 requires. |
| const Variation::Coordinate position[] = { |
| { SkSetFourByteTag('w','g','h','t'), 700.0f }, |
| { SkSetFourByteTag('w','g','h','t'), 600.0f }, |
| { SkSetFourByteTag('w','g','h','t'), 600.0f }, |
| }; |
| SkFontArguments params; |
| params.setVariationDesignPosition({position, SK_ARRAY_COUNT(position)}); |
| sk_sp<SkTypeface> typeface = fm->makeFromStream(std::move(dupTags), params); |
| test(typeface.get(), Variation{&position[1], 2}, 1); |
| } |
| |
| // Overspecifying an axis tag value applies the last one in the list. |
| { |
| std::unique_ptr<SkStreamAsset> distortable(GetResourceAsStream("fonts/Distortable.ttf")); |
| if (!distortable) { |
| REPORT_FAILURE(reporter, "distortable", SkString()); |
| return; |
| } |
| |
| // The position may be over specified. If there are multiple values for a given axis, |
| // ensure the last one since that's what css-fonts-4 requires. |
| const Variation::Coordinate position[] = { |
| { SkSetFourByteTag('w','g','h','t'), 1.618033988749895f }, |
| { SkSetFourByteTag('w','g','h','t'), SK_ScalarSqrt2 }, |
| }; |
| SkFontArguments params; |
| params.setVariationDesignPosition({position, SK_ARRAY_COUNT(position)}); |
| sk_sp<SkTypeface> typeface = fm->makeFromStream(std::move(distortable), params); |
| test(typeface.get(), Variation{&position[1], 1}, -1); |
| |
| if (typeface) { |
| // Cloning without specifying any parameters should produce an equivalent variation. |
| sk_sp<SkTypeface> clone = typeface->makeClone(SkFontArguments()); |
| test(clone.get(), Variation{&position[1], 1}, -1); |
| } |
| } |
| } |
| |
| DEF_TEST(TypefaceVariationIndex, reporter) { |
| std::unique_ptr<SkStreamAsset> distortable(GetResourceAsStream("fonts/Distortable.ttf")); |
| if (!distortable) { |
| REPORT_FAILURE(reporter, "distortable", SkString()); |
| return; |
| } |
| |
| sk_sp<SkFontMgr> fm = SkFontMgr::RefDefault(); |
| SkFontArguments params; |
| // The first named variation position in Distortable is 'Thin'. |
| params.setCollectionIndex(0x00010000); |
| sk_sp<SkTypeface> typeface = fm->makeFromStream(std::move(distortable), params); |
| if (!typeface) { |
| // FreeType is the only weird thing that supports this, Skia just needs to make sure if it |
| // gets one of these things make sense. |
| return; |
| } |
| |
| int count = typeface->getVariationDesignPosition(nullptr, 0); |
| if (!(count == 1)) { |
| REPORT_FAILURE(reporter, "count == 1", SkString()); |
| return; |
| } |
| |
| SkFontArguments::VariationPosition::Coordinate positionRead[1]; |
| count = typeface->getVariationDesignPosition(positionRead, SK_ARRAY_COUNT(positionRead)); |
| if (count == -1) { |
| return; |
| } |
| if (!(count == 1)) { |
| REPORT_FAILURE(reporter, "count == 1", SkString()); |
| return; |
| } |
| REPORTER_ASSERT(reporter, positionRead[0].axis == SkSetFourByteTag('w','g','h','t')); |
| REPORTER_ASSERT(reporter, positionRead[0].value == 0.5); |
| } |
| |
| DEF_TEST(Typeface, reporter) { |
| |
| sk_sp<SkTypeface> t1(SkTypeface::MakeFromName(nullptr, SkFontStyle())); |
| sk_sp<SkTypeface> t2(SkTypeface::MakeDefault()); |
| |
| REPORTER_ASSERT(reporter, SkTypeface::Equal(t1.get(), t2.get())); |
| REPORTER_ASSERT(reporter, SkTypeface::Equal(nullptr, t1.get())); |
| REPORTER_ASSERT(reporter, SkTypeface::Equal(nullptr, t2.get())); |
| REPORTER_ASSERT(reporter, SkTypeface::Equal(t1.get(), nullptr)); |
| REPORTER_ASSERT(reporter, SkTypeface::Equal(t2.get(), nullptr)); |
| } |
| |
| DEF_TEST(TypefaceAxesParameters, reporter) { |
| using Axis = SkFontParameters::Variation::Axis; |
| |
| // In DWrite in at least up to 1901 18363.1198 IDWriteFontFace5::GetFontAxisValues and |
| // GetFontAxisValueCount along with IDWriteFontResource::GetFontAxisAttributes and |
| // GetFontAxisCount (and related) seem to incorrectly collapse multiple axes with the same tag. |
| // Since this is a limitation of the underlying implementation, for now allow the test to pass |
| // with the axis tag count (as opposed to the axis count). Eventually all implementations should |
| // pass this test without 'alsoAcceptedAxisTagCount'. |
| auto test = [&](SkTypeface* typeface, const Axis* expected, int expectedCount, |
| int alsoAcceptedAxisTagCount) |
| { |
| if (!typeface) { |
| return; // Not all SkFontMgr can makeFromStream(). |
| } |
| |
| int actualCount = typeface->getVariationDesignParameters(nullptr, 0); |
| if (actualCount == -1) { |
| return; // The number of axes is unknown. |
| } |
| REPORTER_ASSERT(reporter, actualCount == expectedCount || |
| actualCount == alsoAcceptedAxisTagCount); |
| |
| std::unique_ptr<Axis[]> actual(new Axis[actualCount]); |
| actualCount = typeface->getVariationDesignParameters(actual.get(), actualCount); |
| if (actualCount == -1) { |
| return; // The position cannot be determined. |
| } |
| REPORTER_ASSERT(reporter, actualCount == expectedCount || |
| actualCount == alsoAcceptedAxisTagCount); |
| |
| // Every actual must be expected. |
| std::unique_ptr<bool[]> expectedUsed(new bool[expectedCount]()); |
| for (int actualIdx = 0; actualIdx < actualCount; ++actualIdx) { |
| bool actualFound = false; |
| for (int expectedIdx = 0; expectedIdx < expectedCount; ++expectedIdx) { |
| if (expectedUsed[expectedIdx]) { |
| continue; |
| } |
| |
| if (actual[actualIdx].tag != expected[expectedIdx].tag) { |
| continue; |
| } |
| |
| // Convert to fixed for "almost equal". |
| SkFixed fixedActualMin = SkScalarToFixed(actual[actualIdx].min); |
| SkFixed fixedExpectedMin = SkScalarToFixed(expected[expectedIdx].min); |
| if (!(SkTAbs(fixedActualMin - fixedExpectedMin) < 2)) { |
| continue; |
| } |
| |
| SkFixed fixedActualMax = SkScalarToFixed(actual[actualIdx].max); |
| SkFixed fixedExpectedMax = SkScalarToFixed(expected[expectedIdx].max); |
| if (!(SkTAbs(fixedActualMax - fixedExpectedMax) < 2)) { |
| continue; |
| } |
| |
| SkFixed fixedActualDefault = SkScalarToFixed(actual[actualIdx].def); |
| SkFixed fixedExpectedDefault = SkScalarToFixed(expected[expectedIdx].def); |
| if (!(SkTAbs(fixedActualDefault - fixedExpectedDefault) < 2)) { |
| continue; |
| } |
| |
| // This seems silly, but allows MSAN to ensure that isHidden is initialized. |
| // In GDI or before macOS 10.12, Win10, or FreeType 2.8.1 API for hidden is missing. |
| if (actual[actualIdx].isHidden() && |
| actual[actualIdx].isHidden() != expected[expectedIdx].isHidden()) |
| { |
| continue; |
| } |
| |
| // This actual matched an unused expected. |
| actualFound = true; |
| expectedUsed[expectedIdx] = true; |
| break; |
| } |
| REPORTER_ASSERT(reporter, actualFound, |
| "Actual axis '%c%c%c%c' with min %f max %f default %f hidden %s not expected", |
| (actual[actualIdx].tag >> 24) & 0xFF, |
| (actual[actualIdx].tag >> 16) & 0xFF, |
| (actual[actualIdx].tag >> 8) & 0xFF, |
| (actual[actualIdx].tag ) & 0xFF, |
| actual[actualIdx].min, |
| actual[actualIdx].def, |
| actual[actualIdx].max, |
| actual[actualIdx].isHidden() ? "true" : "false"); |
| } |
| }; |
| |
| sk_sp<SkFontMgr> fm = SkFontMgr::RefDefault(); |
| |
| // Two axis OpenType variable font. |
| { |
| std::unique_ptr<SkStreamAsset> variable(GetResourceAsStream("fonts/Variable.ttf")); |
| if (!variable) { |
| REPORT_FAILURE(reporter, "variable", SkString()); |
| return; |
| } |
| constexpr Axis expected[] = { |
| Axis(SkSetFourByteTag('w','g','h','t'), 100.0f, 400.0f, 900.0f, true ), |
| Axis(SkSetFourByteTag('w','d','t','h'), 50.0f, 100.0f, 200.0f, false), |
| }; |
| sk_sp<SkTypeface> typeface = fm->makeFromStream(std::move(variable), 0); |
| test(typeface.get(), &expected[0], SK_ARRAY_COUNT(expected), -1); |
| } |
| |
| // Multiple axes with the same tag (and min, max, default) works. |
| { |
| std::unique_ptr<SkStreamAsset> dupTags(GetResourceAsStream("fonts/VaryAlongQuads.ttf")); |
| if (!dupTags) { |
| REPORT_FAILURE(reporter, "dupTags", SkString()); |
| return; |
| } |
| |
| // The position may be over specified. If there are multiple values for a given axis, |
| // ensure the last one since that's what css-fonts-4 requires. |
| constexpr Axis expected[] = { |
| Axis(SkSetFourByteTag('w','g','h','t'), 100.0f, 400.0f, 900.0f, false), |
| Axis(SkSetFourByteTag('w','g','h','t'), 100.0f, 400.0f, 900.0f, false), |
| }; |
| sk_sp<SkTypeface> typeface = fm->makeFromStream(std::move(dupTags), 0); |
| test(typeface.get(), &expected[0], SK_ARRAY_COUNT(expected), 1); |
| } |
| |
| // Simple single axis GX variable font. |
| { |
| std::unique_ptr<SkStreamAsset> distortable(GetResourceAsStream("fonts/Distortable.ttf")); |
| if (!distortable) { |
| REPORT_FAILURE(reporter, "distortable", SkString()); |
| return; |
| } |
| constexpr Axis expected[] = { |
| Axis(SkSetFourByteTag('w','g','h','t'), 0.5f, 1.0f, 2.0f, true), |
| }; |
| sk_sp<SkTypeface> typeface = fm->makeFromStream(std::move(distortable), 0); |
| test(typeface.get(), &expected[0], SK_ARRAY_COUNT(expected), -1); |
| } |
| } |
| |
| static bool count_proc(SkTypeface* face, void* ctx) { |
| int* count = static_cast<int*>(ctx); |
| *count = *count + 1; |
| return false; |
| } |
| static int count(skiatest::Reporter* reporter, const SkTypefaceCache& cache) { |
| int count = 0; |
| sk_sp<SkTypeface> none = cache.findByProcAndRef(count_proc, &count); |
| REPORTER_ASSERT(reporter, none == nullptr); |
| return count; |
| } |
| |
| DEF_TEST(TypefaceCache, reporter) { |
| sk_sp<SkTypeface> t1(TestEmptyTypeface::Make()); |
| { |
| SkTypefaceCache cache; |
| REPORTER_ASSERT(reporter, count(reporter, cache) == 0); |
| { |
| sk_sp<SkTypeface> t0(TestEmptyTypeface::Make()); |
| cache.add(t0); |
| REPORTER_ASSERT(reporter, count(reporter, cache) == 1); |
| cache.add(t1); |
| REPORTER_ASSERT(reporter, count(reporter, cache) == 2); |
| cache.purgeAll(); |
| REPORTER_ASSERT(reporter, count(reporter, cache) == 2); |
| } |
| REPORTER_ASSERT(reporter, count(reporter, cache) == 2); |
| cache.purgeAll(); |
| REPORTER_ASSERT(reporter, count(reporter, cache) == 1); |
| } |
| REPORTER_ASSERT(reporter, t1->unique()); |
| } |
| |
| static void check_serialize_behaviors(sk_sp<SkTypeface> tf, bool isLocalData, |
| skiatest::Reporter* reporter) { |
| if (!tf) { |
| return; |
| } |
| auto data0 = tf->serialize(SkTypeface::SerializeBehavior::kDoIncludeData); |
| auto data1 = tf->serialize(SkTypeface::SerializeBehavior::kDontIncludeData); |
| auto data2 = tf->serialize(SkTypeface::SerializeBehavior::kIncludeDataIfLocal); |
| |
| REPORTER_ASSERT(reporter, data0->size() >= data1->size()); |
| |
| if (isLocalData) { |
| REPORTER_ASSERT(reporter, data0->equals(data2.get())); |
| } else { |
| REPORTER_ASSERT(reporter, data1->equals(data2.get())); |
| } |
| } |
| |
| DEF_TEST(Typeface_serialize, reporter) { |
| check_serialize_behaviors(SkTypeface::MakeDefault(), false, reporter); |
| check_serialize_behaviors(SkTypeface::MakeFromStream( |
| GetResourceAsStream("fonts/Distortable.ttf")), |
| true, reporter); |
| |
| } |
| |
| DEF_TEST(Typeface_glyph_to_char, reporter) { |
| SkFont font(ToolUtils::emoji_typeface(), 12); |
| SkASSERT(font.getTypeface()); |
| char const * text = ToolUtils::emoji_sample_text(); |
| size_t const textLen = strlen(text); |
| size_t const codepointCount = SkUTF::CountUTF8(text, textLen); |
| char const * const textEnd = text + textLen; |
| std::unique_ptr<SkUnichar[]> originalCodepoints(new SkUnichar[codepointCount]); |
| for (size_t i = 0; i < codepointCount; ++i) { |
| originalCodepoints[i] = SkUTF::NextUTF8(&text, textEnd); |
| } |
| std::unique_ptr<SkGlyphID[]> glyphs(new SkGlyphID[codepointCount]); |
| font.unicharsToGlyphs(originalCodepoints.get(), codepointCount, glyphs.get()); |
| |
| std::unique_ptr<SkUnichar[]> newCodepoints(new SkUnichar[codepointCount]); |
| SkFontPriv::GlyphsToUnichars(font, glyphs.get(), codepointCount, newCodepoints.get()); |
| |
| SkString familyName; |
| font.getTypeface()->getFamilyName(&familyName); |
| for (size_t i = 0; i < codepointCount; ++i) { |
| #if defined(SK_BUILD_FOR_WIN) |
| // GDI does not support character to glyph mapping outside BMP. |
| if (gSkFontMgr_DefaultFactory == &SkFontMgr_New_GDI && |
| 0xFFFF < originalCodepoints[i] && newCodepoints[i] == 0) |
| { |
| continue; |
| } |
| #endif |
| // If two codepoints map to the same glyph then this assert is not valid. |
| // However, the emoji test font should never have multiple characters map to the same glyph. |
| REPORTER_ASSERT(reporter, originalCodepoints[i] == newCodepoints[i], |
| "name:%s i:%zu original:%d new:%d glyph:%d", familyName.c_str(), i, |
| originalCodepoints[i], newCodepoints[i], glyphs[i]); |
| } |
| } |
| |
| // This test makes sure the legacy typeface creation does not lose its specified |
| // style. See https://bugs.chromium.org/p/skia/issues/detail?id=8447 for more |
| // context. |
| DEF_TEST(LegacyMakeTypeface, reporter) { |
| sk_sp<SkFontMgr> fm = SkFontMgr::RefDefault(); |
| sk_sp<SkTypeface> typeface1 = fm->legacyMakeTypeface(nullptr, SkFontStyle::Italic()); |
| sk_sp<SkTypeface> typeface2 = fm->legacyMakeTypeface(nullptr, SkFontStyle::Bold()); |
| sk_sp<SkTypeface> typeface3 = fm->legacyMakeTypeface(nullptr, SkFontStyle::BoldItalic()); |
| |
| REPORTER_ASSERT(reporter, typeface1->isItalic()); |
| REPORTER_ASSERT(reporter, !typeface1->isBold()); |
| REPORTER_ASSERT(reporter, !typeface2->isItalic()); |
| REPORTER_ASSERT(reporter, typeface2->isBold()); |
| REPORTER_ASSERT(reporter, typeface3->isItalic()); |
| REPORTER_ASSERT(reporter, typeface3->isBold()); |
| } |
