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- /*
- * Copyright 2013 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
- #include "tests/Test.h"
- #include "include/core/SkCanvas.h"
- #include "include/core/SkExecutor.h"
- #include "include/core/SkStream.h"
- #include "include/docs/SkPDFDocument.h"
- #include "src/core/SkOSFile.h"
- #include "src/utils/SkOSPath.h"
- #include "tools/Resources.h"
- #include "tools/ToolUtils.h"
- static void test_empty(skiatest::Reporter* reporter) {
- SkDynamicMemoryWStream stream;
- auto doc = SkPDF::MakeDocument(&stream);
- doc->close();
- REPORTER_ASSERT(reporter, stream.bytesWritten() == 0);
- }
- static void test_abort(skiatest::Reporter* reporter) {
- SkDynamicMemoryWStream stream;
- auto doc = SkPDF::MakeDocument(&stream);
- SkCanvas* canvas = doc->beginPage(100, 100);
- canvas->drawColor(SK_ColorRED);
- doc->endPage();
- doc->abort();
- // Test that only the header is written, not the full document.
- REPORTER_ASSERT(reporter, stream.bytesWritten() < 256);
- }
- static void test_abortWithFile(skiatest::Reporter* reporter) {
- SkString tmpDir = skiatest::GetTmpDir();
- if (tmpDir.isEmpty()) {
- ERRORF(reporter, "missing tmpDir.");
- return;
- }
- SkString path = SkOSPath::Join(tmpDir.c_str(), "aborted.pdf");
- if (!SkFILEWStream(path.c_str()).isValid()) {
- ERRORF(reporter, "unable to write to: %s", path.c_str());
- return;
- }
- // Make sure doc's destructor is called to flush.
- {
- SkFILEWStream stream(path.c_str());
- auto doc = SkPDF::MakeDocument(&stream);
- SkCanvas* canvas = doc->beginPage(100, 100);
- canvas->drawColor(SK_ColorRED);
- doc->endPage();
- doc->abort();
- }
- FILE* file = fopen(path.c_str(), "r");
- // Test that only the header is written, not the full document.
- char buffer[256];
- REPORTER_ASSERT(reporter, fread(buffer, 1, sizeof(buffer), file) < sizeof(buffer));
- fclose(file);
- }
- static void test_file(skiatest::Reporter* reporter) {
- SkString tmpDir = skiatest::GetTmpDir();
- if (tmpDir.isEmpty()) {
- ERRORF(reporter, "missing tmpDir.");
- return;
- }
- SkString path = SkOSPath::Join(tmpDir.c_str(), "file.pdf");
- if (!SkFILEWStream(path.c_str()).isValid()) {
- ERRORF(reporter, "unable to write to: %s", path.c_str());
- return;
- }
- {
- SkFILEWStream stream(path.c_str());
- auto doc = SkPDF::MakeDocument(&stream);
- SkCanvas* canvas = doc->beginPage(100, 100);
- canvas->drawColor(SK_ColorRED);
- doc->endPage();
- doc->close();
- }
- FILE* file = fopen(path.c_str(), "r");
- REPORTER_ASSERT(reporter, file != nullptr);
- char header[100];
- REPORTER_ASSERT(reporter, fread(header, 4, 1, file) != 0);
- REPORTER_ASSERT(reporter, strncmp(header, "%PDF", 4) == 0);
- fclose(file);
- }
- static void test_close(skiatest::Reporter* reporter) {
- SkDynamicMemoryWStream stream;
- auto doc = SkPDF::MakeDocument(&stream);
- SkCanvas* canvas = doc->beginPage(100, 100);
- canvas->drawColor(SK_ColorRED);
- doc->endPage();
- doc->close();
- REPORTER_ASSERT(reporter, stream.bytesWritten() != 0);
- }
- DEF_TEST(SkPDF_document_tests, reporter) {
- REQUIRE_PDF_DOCUMENT(document_tests, reporter);
- test_empty(reporter);
- test_abort(reporter);
- test_abortWithFile(reporter);
- test_file(reporter);
- test_close(reporter);
- }
- DEF_TEST(SkPDF_document_skbug_4734, r) {
- REQUIRE_PDF_DOCUMENT(SkPDF_document_skbug_4734, r);
- SkDynamicMemoryWStream stream;
- auto doc = SkPDF::MakeDocument(&stream);
- SkCanvas* canvas = doc->beginPage(64, 64);
- canvas->scale(10000.0f, 10000.0f);
- canvas->translate(20.0f, 10.0f);
- canvas->rotate(30.0f);
- const char text[] = "HELLO";
- canvas->drawString(text, 0, 0, SkFont(), SkPaint());
- }
- static bool contains(const uint8_t* result, size_t size, const char expectation[]) {
- size_t len = strlen(expectation);
- size_t N = 1 + size - len;
- for (size_t i = 0; i < N; ++i) {
- if (0 == memcmp(result + i, expectation, len)) {
- return true;
- }
- }
- return false;
- }
- // verify that the PDFA flag does something.
- DEF_TEST(SkPDF_pdfa_document, r) {
- REQUIRE_PDF_DOCUMENT(SkPDF_pdfa_document, r);
- SkPDF::Metadata pdfMetadata;
- pdfMetadata.fTitle = "test document";
- pdfMetadata.fCreation = {0, 1999, 12, 5, 31, 23, 59, 59};
- pdfMetadata.fPDFA = true;
- SkDynamicMemoryWStream buffer;
- auto doc = SkPDF::MakeDocument(&buffer, pdfMetadata);
- doc->beginPage(64, 64)->drawColor(SK_ColorRED);
- doc->close();
- sk_sp<SkData> data(buffer.detachAsData());
- static const char* expectations[] = {
- "sRGB IEC61966-2.1",
- "<dc:title><rdf:Alt><rdf:li xml:lang=\"x-default\">test document",
- "<xmp:CreateDate>1999-12-31T23:59:59+00:00</xmp:CreateDate>",
- "/Subtype /XML",
- "/CreationDate (D:19991231235959+00'00')>>",
- };
- for (const char* expectation : expectations) {
- if (!contains(data->bytes(), data->size(), expectation)) {
- ERRORF(r, "PDFA expectation missing: '%s'.", expectation);
- }
- }
- pdfMetadata.fProducer = "phoney library";
- pdfMetadata.fPDFA = true;
- doc = SkPDF::MakeDocument(&buffer, pdfMetadata);
- doc->beginPage(64, 64)->drawColor(SK_ColorRED);
- doc->close();
- data = buffer.detachAsData();
- static const char* moreExpectations[] = {
- "/Producer (phoney library)",
- "/ProductionLibrary (Skia/PDF m",
- "<!-- <skia:ProductionLibrary>Skia/PDF m",
- "<pdf:Producer>phoney library</pdf:Producer>",
- };
- for (const char* expectation : moreExpectations) {
- if (!contains(data->bytes(), data->size(), expectation)) {
- ERRORF(r, "PDFA expectation missing: '%s'.", expectation);
- }
- }
- }
- DEF_TEST(SkPDF_unicode_metadata, r) {
- REQUIRE_PDF_DOCUMENT(SkPDF_unicode_metadata, r);
- SkPDF::Metadata pdfMetadata;
- pdfMetadata.fTitle = "𝓐𝓑𝓒𝓓𝓔 𝓕𝓖𝓗𝓘𝓙"; // Out of basic multilingual plane
- pdfMetadata.fAuthor = "ABCDE FGHIJ"; // ASCII
- pdfMetadata.fSubject = "αβγδε ζηθικ"; // inside basic multilingual plane
- pdfMetadata.fPDFA = true;
- SkDynamicMemoryWStream wStream;
- {
- auto doc = SkPDF::MakeDocument(&wStream, pdfMetadata);
- doc->beginPage(612, 792)->drawColor(SK_ColorCYAN);
- }
- sk_sp<SkData> data(wStream.detachAsData());
- static const char* expectations[] = {
- "<</Title <FEFFD835DCD0D835DCD1D835DCD2D835DCD3D835DCD40020"
- "D835DCD5D835DCD6D835DCD7D835DCD8D835DCD9>",
- "/Author (ABCDE FGHIJ)",
- "Subject <FEFF03B103B203B303B403B5002003B603B703B803B903BA>",
- };
- for (const char* expectation : expectations) {
- if (!contains(data->bytes(), data->size(), expectation)) {
- ERRORF(r, "PDF expectation missing: '%s'.", expectation);
- }
- }
- }
- // Make sure we excercise the multi-page functionality without problems.
- // Add this to args.gn to output the PDF to a file:
- // extra_cflags = [ "-DSK_PDF_TEST_MULTIPAGE=\"/tmp/skpdf_test_multipage.pdf\"" ]
- DEF_TEST(SkPDF_multiple_pages, r) {
- REQUIRE_PDF_DOCUMENT(SkPDF_multiple_pages, r);
- int n = 100;
- #ifdef SK_PDF_TEST_MULTIPAGE
- SkFILEWStream wStream(SK_PDF_TEST_MULTIPAGE);
- #else
- SkDynamicMemoryWStream wStream;
- #endif
- auto doc = SkPDF::MakeDocument(&wStream);
- for (int i = 0; i < n; ++i) {
- doc->beginPage(612, 792)->drawColor(
- SkColorSetARGB(0xFF, 0x00, (uint8_t)(255.0f * i / (n - 1)), 0x00));
- }
- }
- // Test to make sure that jobs launched by PDF backend don't cause a segfault
- // after calling abort().
- DEF_TEST(SkPDF_abort_jobs, rep) {
- REQUIRE_PDF_DOCUMENT(SkPDF_abort_jobs, rep);
- SkBitmap b;
- b.allocN32Pixels(612, 792);
- b.eraseColor(0x4F9643A0);
- SkPDF::Metadata metadata;
- std::unique_ptr<SkExecutor> executor = SkExecutor::MakeFIFOThreadPool();
- metadata.fExecutor = executor.get();
- SkNullWStream dst;
- auto doc = SkPDF::MakeDocument(&dst, metadata);
- doc->beginPage(612, 792)->drawBitmap(b, 0, 0);
- doc->abort();
- }
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