/*
* 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 "Test.h"
#include "Resources.h"
#include "SkCanvas.h"
#include "SkExecutor.h"
#include "SkOSFile.h"
#include "SkOSPath.h"
#include "SkPDFDocument.h"
#include "SkStream.h"
#include "sk_tool_utils.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) {
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();
}