Herb Derby | 09db9d2 | 2019-04-22 17:18:50 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2019 The Android Open Source Project |
| 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 "src/utils/SkShaperJSONWriter.h" |
| 9 | |
Mike Klein | ad44dd5 | 2019-05-14 14:01:39 -0500 | [diff] [blame] | 10 | #include "tests/Test.h" |
Herb Derby | 09db9d2 | 2019-04-22 17:18:50 -0400 | [diff] [blame] | 11 | |
Brian Osman | a5842bc | 2021-05-11 13:41:46 -0400 | [diff] [blame] | 12 | #include "include/core/SkSpan.h" |
Herb Derby | 09db9d2 | 2019-04-22 17:18:50 -0400 | [diff] [blame] | 13 | #include "src/utils/SkJSONWriter.h" |
| 14 | #include "src/utils/SkUTF.h" |
| 15 | |
| 16 | DEF_TEST(SkShaperTest_cluster, reporter) { |
| 17 | |
| 18 | struct Answer { |
| 19 | size_t glyphStartIndex, glyphEndIndex; |
| 20 | uint32_t utf8StartIndex, utf8EndIndex; |
| 21 | }; |
| 22 | |
| 23 | struct TestCase { |
| 24 | size_t utf8Len; |
| 25 | std::vector<uint32_t> clusters; |
| 26 | std::vector<Answer> answers; |
| 27 | }; |
| 28 | |
| 29 | std::vector<TestCase> cases = { |
| 30 | /*1:1*/ { 1, {0}, {{0, 1, 0, 1}} }, |
| 31 | /*1:2*/ { 1, {0, 0}, {{0, 2, 0, 1}} }, |
| 32 | /*2:1*/ { 2, {0}, {{0, 1, 0, 2}} }, |
| 33 | /*2:3*/ { 2, {0, 0, 0}, {{0, 3, 0, 2}} }, |
| 34 | /*3:2*/ { 3, {0, 0}, {{0, 2, 0, 3}} }, |
| 35 | |
| 36 | // cluster runs |
| 37 | { 2, {0, 1}, {{0, 1, 0, 1}, {1, 2, 1, 2}} }, |
| 38 | { 2, {1, 0}, {{0, 1, 1, 2}, {1, 2, 0, 1}} }, |
| 39 | { 2, {0, 0, 1}, {{0, 2, 0, 1}, {2, 3, 1, 2}} }, |
| 40 | { 2, {1, 0, 0}, {{0, 1, 1, 2}, {1, 3, 0, 1}} }, |
| 41 | { 2, {0, 1, 1}, {{0, 1, 0, 1}, {1, 3, 1, 2}} }, |
| 42 | { 2, {1, 1, 0}, {{0, 2, 1, 2}, {2, 3, 0, 1}} }, |
| 43 | { 3, {0, 0, 1}, {{0, 2, 0, 1}, {2, 3, 1, 3}} }, |
| 44 | { 3, {1, 0, 0}, {{0, 1, 1, 3}, {1, 3, 0, 1}} }, |
| 45 | { 3, {0, 1, 1}, {{0, 1, 0, 1}, {1, 3, 1, 3}} }, |
| 46 | { 3, {1, 1, 0}, {{0, 2, 1, 3}, {2, 3, 0, 1}} }, |
| 47 | { 4, {3, 2, 1, 0}, {{0, 1, 3, 4}, {1, 2, 2, 3}, {2, 3, 1, 2}, {3, 4, 0, 1}} }, |
| 48 | }; |
| 49 | |
| 50 | for (auto& oneCase : cases) { |
| 51 | size_t answerCount = 0; |
| 52 | auto checker = [&](size_t glyphStartIndex, size_t glyphEndIndex, |
| 53 | uint32_t utf8StartIndex, uint32_t utf8EndIndex) { |
| 54 | if (answerCount < oneCase.answers.size()) { |
| 55 | Answer a = oneCase.answers[answerCount]; |
| 56 | REPORTER_ASSERT(reporter, a.glyphStartIndex == glyphStartIndex); |
| 57 | REPORTER_ASSERT(reporter, a.glyphEndIndex == glyphEndIndex ); |
| 58 | REPORTER_ASSERT(reporter, a.utf8StartIndex == utf8StartIndex ); |
| 59 | REPORTER_ASSERT(reporter, a.utf8EndIndex == utf8EndIndex ); |
| 60 | |
| 61 | } else { |
| 62 | REPORTER_ASSERT(reporter, false, "Too many clusters"); |
| 63 | } |
| 64 | answerCount++; |
| 65 | }; |
| 66 | |
| 67 | SkShaperJSONWriter::BreakupClusters( |
Brian Osman | ae87bf1 | 2021-05-11 13:36:10 -0400 | [diff] [blame] | 68 | 0, oneCase.utf8Len, SkMakeSpan(oneCase.clusters), checker); |
Herb Derby | 09db9d2 | 2019-04-22 17:18:50 -0400 | [diff] [blame] | 69 | REPORTER_ASSERT(reporter, answerCount == oneCase.answers.size()); |
| 70 | } |
| 71 | } |
| 72 | |
| 73 | DEF_TEST(SkShaperTest_VisualizeCluster, reporter) { |
| 74 | |
| 75 | struct Answer { |
| 76 | std::string utf8; |
| 77 | std::vector<SkGlyphID> glyphIDs; |
| 78 | }; |
| 79 | struct TestCase { |
| 80 | std::string utf8; |
| 81 | std::vector<SkGlyphID> glyphIDs; |
| 82 | std::vector<uint32_t> clusters; |
| 83 | std::vector<Answer> answers; |
| 84 | }; |
| 85 | |
| 86 | std::vector<TestCase> cases = { |
| 87 | { "A", {7}, {0}, {{"A", {7}}} }, |
| 88 | { "ABCD", {7, 8, 9, 10}, {0, 1, 2, 3}, {{"ABCD", {7, 8, 9, 10}}} }, |
| 89 | { "A", {7, 8}, {0, 0}, {{"A", {7, 8}}} }, |
| 90 | { "AB", {7}, {0}, {{"AB", {7}}} }, |
| 91 | { "AB", {7, 8, 9}, {0, 0, 0}, {{"AB", {7, 8, 9}}} }, |
| 92 | { "ABC", {7, 8}, {0, 0}, {{"ABC", {7, 8}}} }, |
| 93 | { "ABCD", {7, 8, 9, 10}, {3, 2, 1, 0}, {{"ABCD", {7, 8, 9, 10}}} }, |
| 94 | { "المادة", {246, 268, 241, 205, 240}, {10, 8, 6, 2, 0}, |
| 95 | {{"ادة", {246, 268, 241}}, {"لم", {205}}, {"ا", {240}}} }, |
| 96 | }; |
| 97 | |
| 98 | for (auto& oneCase : cases) { |
| 99 | size_t answerCount = 0; |
| 100 | auto checker = [&]( |
| 101 | int codePointCount, SkSpan<const char> utf1to1, SkSpan<const SkGlyphID> glyph1to1) { |
| 102 | if (answerCount < oneCase.answers.size()) { |
| 103 | Answer a = oneCase.answers[answerCount]; |
| 104 | std::string toCheckUtf8{utf1to1.data(), utf1to1.size()}; |
| 105 | REPORTER_ASSERT(reporter, a.utf8 == toCheckUtf8); |
| 106 | std::vector<SkGlyphID> toCheckGlyphIDs{glyph1to1.begin(), glyph1to1.end()}; |
| 107 | REPORTER_ASSERT(reporter, a.glyphIDs == toCheckGlyphIDs); |
| 108 | |
| 109 | } else { |
| 110 | REPORTER_ASSERT(reporter, false, "Too many clusters"); |
| 111 | } |
| 112 | answerCount++; |
| 113 | }; |
| 114 | |
| 115 | SkShaperJSONWriter::VisualizeClusters(oneCase.utf8.c_str(), |
| 116 | 0, oneCase.utf8.size(), |
Brian Osman | ae87bf1 | 2021-05-11 13:36:10 -0400 | [diff] [blame] | 117 | SkMakeSpan(oneCase.glyphIDs), |
| 118 | SkMakeSpan(oneCase.clusters), |
Herb Derby | 09db9d2 | 2019-04-22 17:18:50 -0400 | [diff] [blame] | 119 | checker); |
| 120 | } |
| 121 | } |
| 122 | |
| 123 | // Example use of the SkShaperJSONWriter. |
| 124 | // Set to 1 to see use. |
| 125 | #if 0 |
| 126 | DEF_TEST(SkShaperTest_basic, reporter) { |
| 127 | std::unique_ptr<SkShaper> shaper = SkShaper::Make(); |
| 128 | SkFont font(nullptr, 14); |
| 129 | |
| 130 | SkDynamicMemoryWStream out; |
| 131 | SkJSONWriter jsonWriter{&out, SkJSONWriter::Mode::kPretty}; |
| 132 | std::string s = "المادة 1 يولد جميع الناس أحرارًا متساوين في الكرامة والحقوق. وقد وهبوا " |
| 133 | "عقلاً وضميرًا وعليهم أن يعامل بعضهم بعضًا بروح الإخاء."; |
| 134 | |
| 135 | SkShaperJSONWriter shaperJSON{&jsonWriter, s.c_str(), s.size()}; |
| 136 | |
| 137 | jsonWriter.beginObject(); |
| 138 | shaper->shape(s.c_str(), s.size(), font, true /* right to left */, 256, &shaperJSON); |
| 139 | jsonWriter.endObject(); |
| 140 | jsonWriter.flush(); |
| 141 | |
| 142 | std::string sout(out.bytesWritten(), 0); |
| 143 | out.copyTo(&sout[0]); |
| 144 | // Uncomment below to show the JSON. |
| 145 | SkDebugf("%s", sout.c_str()); |
| 146 | } |
Mike Klein | ad44dd5 | 2019-05-14 14:01:39 -0500 | [diff] [blame] | 147 | #endif |