blob: e543818215cd8acf7c75ed22b7981648d7c0558f [file] [log] [blame]
/*
* 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, 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