/* * 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 "src/utils/SkShaperJSONWriter.h" #include "tests/Test.h" #include "src/core/SkSpan.h" #include "src/utils/SkJSONWriter.h" #include "src/utils/SkUTF.h" DEF_TEST(SkShaperTest_cluster, reporter) { struct Answer { size_t glyphStartIndex, glyphEndIndex; uint32_t utf8StartIndex, utf8EndIndex; }; struct TestCase { size_t utf8Len; std::vector clusters; std::vector answers; }; std::vector 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, SkMakeSpan(oneCase.clusters), checker); REPORTER_ASSERT(reporter, answerCount == oneCase.answers.size()); } } DEF_TEST(SkShaperTest_VisualizeCluster, reporter) { struct Answer { std::string utf8; std::vector glyphIDs; }; struct TestCase { std::string utf8; std::vector glyphIDs; std::vector clusters; std::vector answers; }; std::vector 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 utf1to1, SkSpan 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 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(), SkMakeSpan(oneCase.glyphIDs), SkMakeSpan(oneCase.clusters), checker); } } // Example use of the SkShaperJSONWriter. // Set to 1 to see use. #if 0 DEF_TEST(SkShaperTest_basic, reporter) { std::unique_ptr 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