| |
| /* |
| * Copyright 2010 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 <string> |
| |
| #include "Test.h" |
| #include "SkData.h" |
| #include "SkFlate.h" |
| #include "SkPDFCatalog.h" |
| #include "SkPDFStream.h" |
| #include "SkPDFTypes.h" |
| #include "SkScalar.h" |
| #include "SkStream.h" |
| #include "SkTypes.h" |
| |
| class SkPDFTestDict : public SkPDFDict { |
| public: |
| void getResources(SkTDArray<SkPDFObject*>* resourceList) { |
| resourceList->setReserve(resourceList->count() + fResources.count()); |
| for (int i = 0; i < fResources.count(); i++) { |
| resourceList->push(fResources[i]); |
| fResources[i]->ref(); |
| } |
| } |
| |
| void addResource(SkPDFObject* object) { |
| fResources.append(1, &object); |
| } |
| |
| private: |
| SkTDArray<SkPDFObject*> fResources; |
| }; |
| |
| static bool stream_equals(const SkDynamicMemoryWStream& stream, size_t offset, |
| const void* buffer, size_t len) { |
| SkAutoDataUnref data(stream.copyToData()); |
| if (offset + len > data.size()) { |
| return false; |
| } |
| return memcmp(data.bytes() + offset, buffer, len) == 0; |
| } |
| |
| static void CheckObjectOutput(skiatest::Reporter* reporter, SkPDFObject* obj, |
| const char* expectedData, size_t expectedSize, |
| bool indirect, bool compression) { |
| SkPDFDocument::Flags docFlags = (SkPDFDocument::Flags) 0; |
| if (!compression) { |
| docFlags = SkTBitOr(docFlags, SkPDFDocument::kNoCompression_Flag); |
| } |
| SkPDFCatalog catalog(docFlags); |
| size_t directSize = obj->getOutputSize(&catalog, false); |
| REPORTER_ASSERT(reporter, directSize == expectedSize); |
| |
| SkDynamicMemoryWStream buffer; |
| obj->emit(&buffer, &catalog, false); |
| REPORTER_ASSERT(reporter, directSize == buffer.getOffset()); |
| REPORTER_ASSERT(reporter, stream_equals(buffer, 0, expectedData, |
| directSize)); |
| |
| if (indirect) { |
| // Indirect output. |
| static char header[] = "1 0 obj\n"; |
| static size_t headerLen = strlen(header); |
| static char footer[] = "\nendobj\n"; |
| static size_t footerLen = strlen(footer); |
| |
| catalog.addObject(obj, false); |
| |
| size_t indirectSize = obj->getOutputSize(&catalog, true); |
| REPORTER_ASSERT(reporter, |
| indirectSize == directSize + headerLen + footerLen); |
| |
| buffer.reset(); |
| obj->emit(&buffer, &catalog, true); |
| REPORTER_ASSERT(reporter, indirectSize == buffer.getOffset()); |
| REPORTER_ASSERT(reporter, stream_equals(buffer, 0, header, headerLen)); |
| REPORTER_ASSERT(reporter, stream_equals(buffer, headerLen, expectedData, |
| directSize)); |
| REPORTER_ASSERT(reporter, stream_equals(buffer, headerLen + directSize, |
| footer, footerLen)); |
| } |
| } |
| |
| static void SimpleCheckObjectOutput(skiatest::Reporter* reporter, |
| SkPDFObject* obj, |
| const std::string& expectedResult) { |
| CheckObjectOutput(reporter, obj, expectedResult.c_str(), |
| expectedResult.length(), true, false); |
| } |
| |
| 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 TestCatalog(skiatest::Reporter* reporter) { |
| SkPDFCatalog catalog((SkPDFDocument::Flags)0); |
| SkRefPtr<SkPDFInt> int1 = new SkPDFInt(1); |
| int1->unref(); // SkRefPtr and new both took a reference. |
| SkRefPtr<SkPDFInt> int2 = new SkPDFInt(2); |
| int2->unref(); // SkRefPtr and new both took a reference. |
| SkRefPtr<SkPDFInt> int3 = new SkPDFInt(3); |
| int3->unref(); // SkRefPtr and new both took a reference. |
| SkRefPtr<SkPDFInt> int1Again(int1.get()); |
| |
| catalog.addObject(int1.get(), false); |
| catalog.addObject(int2.get(), false); |
| catalog.addObject(int3.get(), false); |
| |
| REPORTER_ASSERT(reporter, catalog.getObjectNumberSize(int1.get()) == 3); |
| REPORTER_ASSERT(reporter, catalog.getObjectNumberSize(int2.get()) == 3); |
| REPORTER_ASSERT(reporter, catalog.getObjectNumberSize(int3.get()) == 3); |
| |
| SkDynamicMemoryWStream buffer; |
| catalog.emitObjectNumber(&buffer, int1.get()); |
| catalog.emitObjectNumber(&buffer, int2.get()); |
| catalog.emitObjectNumber(&buffer, int3.get()); |
| catalog.emitObjectNumber(&buffer, int1Again.get()); |
| char expectedResult[] = "1 02 03 01 0"; |
| REPORTER_ASSERT(reporter, stream_equals(buffer, 0, expectedResult, |
| strlen(expectedResult))); |
| } |
| |
| static void TestObjectRef(skiatest::Reporter* reporter) { |
| SkRefPtr<SkPDFInt> int1 = new SkPDFInt(1); |
| int1->unref(); // SkRefPtr and new both took a reference. |
| SkRefPtr<SkPDFInt> int2 = new SkPDFInt(2); |
| int2->unref(); // SkRefPtr and new both took a reference. |
| SkRefPtr<SkPDFObjRef> int2ref = new SkPDFObjRef(int2.get()); |
| int2ref->unref(); // SkRefPtr and new both took a reference. |
| |
| SkPDFCatalog catalog((SkPDFDocument::Flags)0); |
| catalog.addObject(int1.get(), false); |
| catalog.addObject(int2.get(), false); |
| REPORTER_ASSERT(reporter, catalog.getObjectNumberSize(int1.get()) == 3); |
| REPORTER_ASSERT(reporter, catalog.getObjectNumberSize(int2.get()) == 3); |
| |
| char expectedResult[] = "2 0 R"; |
| SkDynamicMemoryWStream buffer; |
| int2ref->emitObject(&buffer, &catalog, false); |
| REPORTER_ASSERT(reporter, buffer.getOffset() == strlen(expectedResult)); |
| REPORTER_ASSERT(reporter, stream_equals(buffer, 0, expectedResult, |
| buffer.getOffset())); |
| } |
| |
| static void TestSubstitute(skiatest::Reporter* reporter) { |
| SkRefPtr<SkPDFTestDict> proxy = new SkPDFTestDict(); |
| proxy->unref(); // SkRefPtr and new both took a reference. |
| SkRefPtr<SkPDFTestDict> stub = new SkPDFTestDict(); |
| stub->unref(); // SkRefPtr and new both took a reference. |
| SkRefPtr<SkPDFInt> int33 = new SkPDFInt(33); |
| int33->unref(); // SkRefPtr and new both took a reference. |
| SkRefPtr<SkPDFDict> stubResource = new SkPDFDict(); |
| stubResource->unref(); // SkRefPtr and new both took a reference. |
| SkRefPtr<SkPDFInt> int44 = new SkPDFInt(44); |
| int44->unref(); // SkRefPtr and new both took a reference. |
| |
| stub->insert("Value", int33.get()); |
| stubResource->insert("InnerValue", int44.get()); |
| stub->addResource(stubResource.get()); |
| |
| SkPDFCatalog catalog((SkPDFDocument::Flags)0); |
| catalog.addObject(proxy.get(), false); |
| catalog.setSubstitute(proxy.get(), stub.get()); |
| |
| SkDynamicMemoryWStream buffer; |
| proxy->emit(&buffer, &catalog, false); |
| catalog.emitSubstituteResources(&buffer, false); |
| |
| char objectResult[] = "2 0 obj\n<</Value 33\n>>\nendobj\n"; |
| REPORTER_ASSERT( |
| reporter, |
| catalog.setFileOffset(proxy.get(), 0) == strlen(objectResult)); |
| |
| char expectedResult[] = |
| "<</Value 33\n>>1 0 obj\n<</InnerValue 44\n>>\nendobj\n"; |
| REPORTER_ASSERT(reporter, buffer.getOffset() == strlen(expectedResult)); |
| REPORTER_ASSERT(reporter, stream_equals(buffer, 0, expectedResult, |
| buffer.getOffset())); |
| } |
| |
| static void TestPDFPrimitives(skiatest::Reporter* reporter) { |
| SkRefPtr<SkPDFInt> int42 = new SkPDFInt(42); |
| int42->unref(); // SkRefPtr and new both took a reference. |
| SimpleCheckObjectOutput(reporter, int42.get(), "42"); |
| |
| SkRefPtr<SkPDFScalar> realHalf = new SkPDFScalar(SK_ScalarHalf); |
| realHalf->unref(); // SkRefPtr and new both took a reference. |
| SimpleCheckObjectOutput(reporter, realHalf.get(), "0.5"); |
| |
| #if defined(SK_SCALAR_IS_FLOAT) |
| SkRefPtr<SkPDFScalar> bigScalar = new SkPDFScalar(110999.75); |
| bigScalar->unref(); // SkRefPtr and new both took a reference. |
| #if !defined(SK_ALLOW_LARGE_PDF_SCALARS) |
| SimpleCheckObjectOutput(reporter, bigScalar.get(), "111000"); |
| #else |
| SimpleCheckObjectOutput(reporter, bigScalar.get(), "110999.75"); |
| |
| SkRefPtr<SkPDFScalar> biggerScalar = new SkPDFScalar(50000000.1); |
| biggerScalar->unref(); // SkRefPtr and new both took a reference. |
| SimpleCheckObjectOutput(reporter, biggerScalar.get(), "50000000"); |
| |
| SkRefPtr<SkPDFScalar> smallestScalar = new SkPDFScalar(1.0/65536); |
| smallestScalar->unref(); // SkRefPtr and new both took a reference. |
| SimpleCheckObjectOutput(reporter, smallestScalar.get(), "0.00001526"); |
| #endif |
| #endif |
| |
| SkRefPtr<SkPDFString> stringSimple = new SkPDFString("test ) string ( foo"); |
| stringSimple->unref(); // SkRefPtr and new both took a reference. |
| SimpleCheckObjectOutput(reporter, stringSimple.get(), |
| "(test \\) string \\( foo)"); |
| SkRefPtr<SkPDFString> stringComplex = |
| new SkPDFString("\ttest ) string ( foo"); |
| stringComplex->unref(); // SkRefPtr and new both took a reference. |
| SimpleCheckObjectOutput(reporter, stringComplex.get(), |
| "<0974657374202920737472696E67202820666F6F>"); |
| |
| SkRefPtr<SkPDFName> name = new SkPDFName("Test name\twith#tab"); |
| name->unref(); // SkRefPtr and new both took a reference. |
| const char expectedResult[] = "/Test#20name#09with#23tab"; |
| CheckObjectOutput(reporter, name.get(), expectedResult, |
| strlen(expectedResult), false, false); |
| |
| SkRefPtr<SkPDFArray> array = new SkPDFArray; |
| array->unref(); // SkRefPtr and new both took a reference. |
| SimpleCheckObjectOutput(reporter, array.get(), "[]"); |
| array->append(int42.get()); |
| SimpleCheckObjectOutput(reporter, array.get(), "[42]"); |
| array->append(realHalf.get()); |
| SimpleCheckObjectOutput(reporter, array.get(), "[42 0.5]"); |
| SkRefPtr<SkPDFInt> int0 = new SkPDFInt(0); |
| int0->unref(); // SkRefPtr and new both took a reference. |
| array->append(int0.get()); |
| SimpleCheckObjectOutput(reporter, array.get(), "[42 0.5 0]"); |
| SkRefPtr<SkPDFInt> int1 = new SkPDFInt(1); |
| int1->unref(); // SkRefPtr and new both took a reference. |
| array->setAt(0, int1.get()); |
| SimpleCheckObjectOutput(reporter, array.get(), "[1 0.5 0]"); |
| |
| SkRefPtr<SkPDFDict> dict = new SkPDFDict; |
| dict->unref(); // SkRefPtr and new both took a reference. |
| SimpleCheckObjectOutput(reporter, dict.get(), "<<>>"); |
| SkRefPtr<SkPDFName> n1 = new SkPDFName("n1"); |
| n1->unref(); // SkRefPtr and new both took a reference. |
| dict->insert(n1.get(), int42.get()); |
| SimpleCheckObjectOutput(reporter, dict.get(), "<</n1 42\n>>"); |
| SkRefPtr<SkPDFName> n2 = new SkPDFName("n2"); |
| n2->unref(); // SkRefPtr and new both took a reference. |
| SkRefPtr<SkPDFName> n3 = new SkPDFName("n3"); |
| n3->unref(); // SkRefPtr and new both took a reference. |
| dict->insert(n2.get(), realHalf.get()); |
| dict->insert(n3.get(), array.get()); |
| SimpleCheckObjectOutput(reporter, dict.get(), |
| "<</n1 42\n/n2 0.5\n/n3 [1 0.5 0]\n>>"); |
| |
| TestPDFStream(reporter); |
| |
| TestCatalog(reporter); |
| |
| TestObjectRef(reporter); |
| |
| TestSubstitute(reporter); |
| } |
| |
| #include "TestClassDef.h" |
| DEFINE_TESTCLASS("PDFPrimitives", PDFPrimitivesTestClass, TestPDFPrimitives) |
