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- /*
- * 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<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, SkMakeSpan(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(),
- 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<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
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