| /* |
| * Copyright 2019 The Android Open Source Project |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "modules/skparagraph/tests/SkShaperJSONWriter.h" |
| |
| #include "tests/Test.h" |
| |
| #include "include/core/SkSpan.h" |
| #include "src/base/SkUTF.h" |
| #include "src/utils/SkJSONWriter.h" |
| |
| DEF_TEST(SkShaperTest_cluster, reporter) { |
| |
| struct Answer { |
| size_t glyphStartIndex, glyphEndIndex; |
| uint32_t utf8StartIndex, utf8EndIndex; |
| }; |
| |
| struct TestCase { |
| size_t utf8Len; |
| std::vector<uint32_t> clusters; |
| std::vector<Answer> answers; |
| }; |
| |
| std::vector<TestCase> cases = { |
| /*1:1*/ { 1, {0}, {{0, 1, 0, 1}} }, |
| /*1:2*/ { 1, {0, 0}, {{0, 2, 0, 1}} }, |
| /*2:1*/ { 2, {0}, {{0, 1, 0, 2}} }, |
| /*2:3*/ { 2, {0, 0, 0}, {{0, 3, 0, 2}} }, |
| /*3:2*/ { 3, {0, 0}, {{0, 2, 0, 3}} }, |
| |
| // cluster runs |
| { 2, {0, 1}, {{0, 1, 0, 1}, {1, 2, 1, 2}} }, |
| { 2, {1, 0}, {{0, 1, 1, 2}, {1, 2, 0, 1}} }, |
| { 2, {0, 0, 1}, {{0, 2, 0, 1}, {2, 3, 1, 2}} }, |
| { 2, {1, 0, 0}, {{0, 1, 1, 2}, {1, 3, 0, 1}} }, |
| { 2, {0, 1, 1}, {{0, 1, 0, 1}, {1, 3, 1, 2}} }, |
| { 2, {1, 1, 0}, {{0, 2, 1, 2}, {2, 3, 0, 1}} }, |
| { 3, {0, 0, 1}, {{0, 2, 0, 1}, {2, 3, 1, 3}} }, |
| { 3, {1, 0, 0}, {{0, 1, 1, 3}, {1, 3, 0, 1}} }, |
| { 3, {0, 1, 1}, {{0, 1, 0, 1}, {1, 3, 1, 3}} }, |
| { 3, {1, 1, 0}, {{0, 2, 1, 3}, {2, 3, 0, 1}} }, |
| { 4, {3, 2, 1, 0}, {{0, 1, 3, 4}, {1, 2, 2, 3}, {2, 3, 1, 2}, {3, 4, 0, 1}} }, |
| }; |
| |
| for (auto& oneCase : cases) { |
| size_t answerCount = 0; |
| auto checker = [&](size_t glyphStartIndex, size_t glyphEndIndex, |
| uint32_t utf8StartIndex, uint32_t utf8EndIndex) { |
| if (answerCount < oneCase.answers.size()) { |
| Answer a = oneCase.answers[answerCount]; |
| REPORTER_ASSERT(reporter, a.glyphStartIndex == glyphStartIndex); |
| REPORTER_ASSERT(reporter, a.glyphEndIndex == glyphEndIndex ); |
| REPORTER_ASSERT(reporter, a.utf8StartIndex == utf8StartIndex ); |
| REPORTER_ASSERT(reporter, a.utf8EndIndex == utf8EndIndex ); |
| |
| } else { |
| REPORTER_ASSERT(reporter, false, "Too many clusters"); |
| } |
| answerCount++; |
| }; |
| |
| SkShaperJSONWriter::BreakupClusters( |
| 0, oneCase.utf8Len, SkSpan(oneCase.clusters), checker); |
| REPORTER_ASSERT(reporter, answerCount == oneCase.answers.size()); |
| } |
| } |
| |
| DEF_TEST(SkShaperTest_VisualizeCluster, reporter) { |
| |
| struct Answer { |
| std::string utf8; |
| std::vector<SkGlyphID> glyphIDs; |
| }; |
| struct TestCase { |
| std::string utf8; |
| std::vector<SkGlyphID> glyphIDs; |
| std::vector<uint32_t> clusters; |
| std::vector<Answer> answers; |
| }; |
| |
| std::vector<TestCase> cases = { |
| { "A", {7}, {0}, {{"A", {7}}} }, |
| { "ABCD", {7, 8, 9, 10}, {0, 1, 2, 3}, {{"ABCD", {7, 8, 9, 10}}} }, |
| { "A", {7, 8}, {0, 0}, {{"A", {7, 8}}} }, |
| { "AB", {7}, {0}, {{"AB", {7}}} }, |
| { "AB", {7, 8, 9}, {0, 0, 0}, {{"AB", {7, 8, 9}}} }, |
| { "ABC", {7, 8}, {0, 0}, {{"ABC", {7, 8}}} }, |
| { "ABCD", {7, 8, 9, 10}, {3, 2, 1, 0}, {{"ABCD", {7, 8, 9, 10}}} }, |
| { "المادة", {246, 268, 241, 205, 240}, {10, 8, 6, 2, 0}, |
| {{"ادة", {246, 268, 241}}, {"لم", {205}}, {"ا", {240}}} }, |
| }; |
| |
| for (auto& oneCase : cases) { |
| size_t answerCount = 0; |
| auto checker = [&]( |
| int codePointCount, SkSpan<const char> utf1to1, SkSpan<const SkGlyphID> glyph1to1) { |
| if (answerCount < oneCase.answers.size()) { |
| Answer a = oneCase.answers[answerCount]; |
| std::string toCheckUtf8{utf1to1.data(), utf1to1.size()}; |
| REPORTER_ASSERT(reporter, a.utf8 == toCheckUtf8); |
| std::vector<SkGlyphID> toCheckGlyphIDs{glyph1to1.begin(), glyph1to1.end()}; |
| REPORTER_ASSERT(reporter, a.glyphIDs == toCheckGlyphIDs); |
| |
| } else { |
| REPORTER_ASSERT(reporter, false, "Too many clusters"); |
| } |
| answerCount++; |
| }; |
| |
| SkShaperJSONWriter::VisualizeClusters(oneCase.utf8.c_str(), |
| 0, oneCase.utf8.size(), |
| SkSpan(oneCase.glyphIDs), |
| SkSpan(oneCase.clusters), |
| checker); |
| } |
| } |
| |
| // Example use of the SkShaperJSONWriter. |
| // Set to 1 to see use. |
| #if 0 |
| DEF_TEST(SkShaperTest_basic, reporter) { |
| std::unique_ptr<SkShaper> shaper = SkShaper::Make(); |
| SkFont font(nullptr, 14); |
| |
| SkDynamicMemoryWStream out; |
| SkJSONWriter jsonWriter{&out, SkJSONWriter::Mode::kPretty}; |
| std::string s = "المادة 1 يولد جميع الناس أحرارًا متساوين في الكرامة والحقوق. وقد وهبوا " |
| "عقلاً وضميرًا وعليهم أن يعامل بعضهم بعضًا بروح الإخاء."; |
| |
| SkShaperJSONWriter shaperJSON{&jsonWriter, s.c_str(), s.size()}; |
| |
| jsonWriter.beginObject(); |
| shaper->shape(s.c_str(), s.size(), font, true /* right to left */, 256, &shaperJSON); |
| jsonWriter.endObject(); |
| jsonWriter.flush(); |
| |
| std::string sout(out.bytesWritten(), 0); |
| out.copyTo(&sout[0]); |
| // Uncomment below to show the JSON. |
| SkDebugf("%s", sout.c_str()); |
| } |
| #endif |