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()); } }