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1 /* | 1 /* |
2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
| 8 #include "SkData.h" |
| 9 #include "SkOTTable_OS_2.h" |
| 10 #include "SkSFNTHeader.h" |
| 11 #include "SkStream.h" |
8 #include "SkRefCnt.h" | 12 #include "SkRefCnt.h" |
9 #include "SkTypeface.h" | 13 #include "SkTypeface.h" |
10 #include "SkTypefaceCache.h" | 14 #include "SkTypefaceCache.h" |
| 15 #include "Resources.h" |
11 #include "Test.h" | 16 #include "Test.h" |
12 | 17 |
| 18 #include <memory> |
| 19 |
| 20 static void TypefaceStyle_test(skiatest::Reporter* reporter, |
| 21 uint16_t weight, uint16_t width, SkData* data) |
| 22 { |
| 23 sk_sp<SkData> dataCopy; |
| 24 SkData* dataToUse = data; |
| 25 if (!dataToUse->unique()) { |
| 26 dataCopy = SkData::MakeWithCopy(data->data(), data->size()); |
| 27 dataToUse = dataCopy.get(); |
| 28 } |
| 29 SkSFNTHeader* sfntHeader = static_cast<SkSFNTHeader*>(dataToUse->writable_da
ta()); |
| 30 |
| 31 SkSFNTHeader::TableDirectoryEntry* tableEntry = |
| 32 SkTAfter<SkSFNTHeader::TableDirectoryEntry>(sfntHeader); |
| 33 SkSFNTHeader::TableDirectoryEntry* os2TableEntry = nullptr; |
| 34 int numTables = SkEndian_SwapBE16(sfntHeader->numTables); |
| 35 for (int tableEntryIndex = 0; tableEntryIndex < numTables; ++tableEntryIndex
) { |
| 36 if (SkOTTableOS2::TAG == tableEntry[tableEntryIndex].tag) { |
| 37 os2TableEntry = tableEntry + tableEntryIndex; |
| 38 break; |
| 39 } |
| 40 } |
| 41 SkASSERT_RELEASE(os2TableEntry); |
| 42 |
| 43 size_t os2TableOffset = SkEndian_SwapBE32(os2TableEntry->offset); |
| 44 SkOTTableOS2_V0* os2Table = SkTAddOffset<SkOTTableOS2_V0>(sfntHeader, os2Tab
leOffset); |
| 45 os2Table->usWeightClass.value = SkEndian_SwapBE16(weight); |
| 46 using WidthType = SkOTTableOS2_V0::WidthClass::Value; |
| 47 os2Table->usWidthClass.value = static_cast<WidthType>(SkEndian_SwapBE16(widt
h)); |
| 48 |
| 49 sk_sp<SkTypeface> newTypeface(SkTypeface::MakeFromStream(new SkMemoryStream(
dataToUse))); |
| 50 SkASSERT_RELEASE(newTypeface); |
| 51 |
| 52 SkFontStyle newStyle = newTypeface->fontStyle(); |
| 53 |
| 54 //printf("%d, %f\n", weight, (newStyle.weight() - (float)0x7FFF) / (float)0x
7FFF); |
| 55 //printf("%d, %f\n", width , (newStyle.width() - (float)0x7F) / (float)0x
7F); |
| 56 //printf("%d, %d\n", weight, newStyle.weight()); |
| 57 //printf("%d, %d\n", width , newStyle.width()); |
| 58 |
| 59 // Some back-ends (CG, GDI, DW) support OS/2 version A which uses 0 - 10 (bu
t all differently). |
| 60 REPORTER_ASSERT(reporter, |
| 61 newStyle.weight() == weight || |
| 62 (weight <= 10 && newStyle.weight() == 100 * weight) || |
| 63 (weight == 4 && newStyle.weight() == 350) || // GDI weir
dness |
| 64 (weight == 5 && newStyle.weight() == 400) || // GDI weir
dness |
| 65 (weight == 0 && newStyle.weight() == 1) || // DW weird
ness |
| 66 (weight == 1000 && newStyle.weight() == 999) // DW weird
ness |
| 67 ); |
| 68 |
| 69 // Some back-ends (GDI) don't support width, ensure these always report 'med
ium'. |
| 70 REPORTER_ASSERT(reporter, |
| 71 newStyle.width() == width || |
| 72 newStyle.width() == 5); |
| 73 } |
| 74 DEF_TEST(TypefaceStyle, reporter) { |
| 75 std::unique_ptr<SkStreamAsset> stream(GetResourceAsStream("/fonts/Em.ttf")); |
| 76 if (!stream) { |
| 77 REPORT_FAILURE(reporter, "/fonts/Em.ttf", SkString("Cannot load resource
")); |
| 78 return; |
| 79 } |
| 80 sk_sp<SkData> data(SkData::MakeFromStream(stream.get(), stream->getLength())
); |
| 81 |
| 82 using SkFS = SkFontStyle; |
| 83 for (int weight = SkFS::kInvisible_Weight; weight <= SkFS::kExtraBlack_Weigh
t; ++weight) { |
| 84 TypefaceStyle_test(reporter, weight, 5, data.get()); |
| 85 } |
| 86 for (int width = SkFS::kUltraCondensed_Width; width <= SkFS::kUltaExpanded_W
idth; ++width) { |
| 87 TypefaceStyle_test(reporter, 400, width, data.get()); |
| 88 } |
| 89 } |
| 90 |
13 DEF_TEST(Typeface, reporter) { | 91 DEF_TEST(Typeface, reporter) { |
14 | 92 |
15 sk_sp<SkTypeface> t1(SkTypeface::MakeFromName(nullptr, SkFontStyle())); | 93 sk_sp<SkTypeface> t1(SkTypeface::MakeFromName(nullptr, SkFontStyle())); |
16 sk_sp<SkTypeface> t2(SkTypeface::MakeDefault(SkTypeface::kNormal)); | 94 sk_sp<SkTypeface> t2(SkTypeface::MakeDefault(SkTypeface::kNormal)); |
17 | 95 |
18 REPORTER_ASSERT(reporter, SkTypeface::Equal(t1.get(), t2.get())); | 96 REPORTER_ASSERT(reporter, SkTypeface::Equal(t1.get(), t2.get())); |
19 REPORTER_ASSERT(reporter, SkTypeface::Equal(0, t1.get())); | 97 REPORTER_ASSERT(reporter, SkTypeface::Equal(0, t1.get())); |
20 REPORTER_ASSERT(reporter, SkTypeface::Equal(0, t2.get())); | 98 REPORTER_ASSERT(reporter, SkTypeface::Equal(0, t2.get())); |
21 REPORTER_ASSERT(reporter, SkTypeface::Equal(t1.get(), 0)); | 99 REPORTER_ASSERT(reporter, SkTypeface::Equal(t1.get(), 0)); |
22 REPORTER_ASSERT(reporter, SkTypeface::Equal(t2.get(), 0)); | 100 REPORTER_ASSERT(reporter, SkTypeface::Equal(t2.get(), 0)); |
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88 REPORTER_ASSERT(reporter, count(reporter, cache) == 2); | 166 REPORTER_ASSERT(reporter, count(reporter, cache) == 2); |
89 cache.purgeAll(); | 167 cache.purgeAll(); |
90 REPORTER_ASSERT(reporter, count(reporter, cache) == 2); | 168 REPORTER_ASSERT(reporter, count(reporter, cache) == 2); |
91 } | 169 } |
92 REPORTER_ASSERT(reporter, count(reporter, cache) == 2); | 170 REPORTER_ASSERT(reporter, count(reporter, cache) == 2); |
93 cache.purgeAll(); | 171 cache.purgeAll(); |
94 REPORTER_ASSERT(reporter, count(reporter, cache) == 1); | 172 REPORTER_ASSERT(reporter, count(reporter, cache) == 1); |
95 } | 173 } |
96 REPORTER_ASSERT(reporter, t1->unique()); | 174 REPORTER_ASSERT(reporter, t1->unique()); |
97 } | 175 } |
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