static void TestPDFStream(skiatest::Reporter* reporter) {
char streamBytes[] = "Test\nFoo\tBar";
SkRefPtr<SkMemoryStream> streamData = new SkMemoryStream(
streamBytes, strlen(streamBytes), true);
streamData->unref(); // SkRefPtr and new both took a reference.
SkRefPtr<SkPDFStream> stream = new SkPDFStream(streamData.get());
stream->unref(); // SkRefPtr and new both took a reference.
SimpleCheckObjectOutput(
reporter, stream.get(),
"<</Length 12\n>> stream\nTest\nFoo\tBar\nendstream");
stream->insert("Attribute", new SkPDFInt(42))->unref();
SimpleCheckObjectOutput(reporter, stream.get(),
"<</Length 12\n/Attribute 42\n>> stream\n"
"Test\nFoo\tBar\nendstream");
if (SkFlate::HaveFlate()) {
char streamBytes2[] = "This is a longer string, so that compression "
"can do something with it. With shorter strings, "
"the short circuit logic cuts in and we end up "
"with an uncompressed string.";
SkAutoDataUnref streamData2(SkData::NewWithCopy(streamBytes2,
strlen(streamBytes2)));
SkRefPtr<SkPDFStream> stream = new SkPDFStream(streamData2.get());
stream->unref(); // SkRefPtr and new both took a reference.
SkDynamicMemoryWStream compressedByteStream;
SkFlate::Deflate(streamData2.get(), &compressedByteStream);
SkAutoDataUnref compressedData(compressedByteStream.copyToData());
// Check first without compression.
SkDynamicMemoryWStream expectedResult1;
expectedResult1.writeText("<</Length 167\n>> stream\n");
expectedResult1.writeText(streamBytes2);
expectedResult1.writeText("\nendstream");
SkAutoDataUnref expectedResultData1(expectedResult1.copyToData());
CheckObjectOutput(reporter, stream.get(),
(const char*) expectedResultData1->data(),
expectedResultData1->size(), true, false);
// Then again with compression.
SkDynamicMemoryWStream expectedResult2;
expectedResult2.writeText("<</Filter /FlateDecode\n/Length 116\n"
">> stream\n");
expectedResult2.write(compressedData->data(), compressedData->size());
expectedResult2.writeText("\nendstream");
SkAutoDataUnref expectedResultData2(expectedResult2.copyToData());
CheckObjectOutput(reporter, stream.get(),
(const char*) expectedResultData2->data(),
expectedResultData2->size(), true, true);
}
}
static void TestPDFStream(skiatest::Reporter* reporter) {
char streamBytes[] = "Test\nFoo\tBar";
SkAutoTDelete<SkMemoryStream> streamData(new SkMemoryStream(
streamBytes, strlen(streamBytes), true));
SkAutoTUnref<SkPDFStream> stream(new SkPDFStream(streamData.get()));
ASSERT_EMIT_EQ(reporter,
*stream,
"<</Length 12>> stream\nTest\nFoo\tBar\nendstream");
stream->insertInt("Attribute", 42);
ASSERT_EMIT_EQ(reporter,
*stream,
"<</Length 12\n/Attribute 42>> stream\n"
"Test\nFoo\tBar\nendstream");
{
char streamBytes2[] = "This is a longer string, so that compression "
"can do something with it. With shorter strings, "
"the short circuit logic cuts in and we end up "
"with an uncompressed string.";
SkAutoDataUnref streamData2(SkData::NewWithCopy(streamBytes2,
strlen(streamBytes2)));
SkAutoTUnref<SkPDFStream> stream(new SkPDFStream(streamData2.get()));
SkDynamicMemoryWStream compressedByteStream;
SkDeflateWStream deflateWStream(&compressedByteStream);
deflateWStream.write(streamBytes2, strlen(streamBytes2));
deflateWStream.finalize();
SkDynamicMemoryWStream expected;
expected.writeText("<</Filter /FlateDecode\n/Length 116>> stream\n");
compressedByteStream.writeToStream(&expected);
compressedByteStream.reset();
expected.writeText("\nendstream");
SkAutoDataUnref expectedResultData2(expected.copyToData());
SkString result = emit_to_string(*stream);
ASSERT_EQL(reporter,
result,
(const char*)expectedResultData2->data(),
expectedResultData2->size());
}
}
