54f0d1b711
I removed unused parameters in the tests wherever it was trivial to do so. I'm trying to get the easy ones out of the way before we get into more involved discussions around this. Review URL: https://codereview.appspot.com/7394055 git-svn-id: http://skia.googlecode.com/svn/trunk@7891 2bbb7eff-a529-9590-31e7-b0007b416f81
331 lines
13 KiB
C++
331 lines
13 KiB
C++
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/*
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* Copyright 2010 The Android Open Source Project
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "Test.h"
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#include "SkCanvas.h"
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#include "SkData.h"
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#include "SkFlate.h"
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#include "SkPDFCatalog.h"
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#include "SkPDFDevice.h"
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#include "SkPDFStream.h"
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#include "SkPDFTypes.h"
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#include "SkScalar.h"
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#include "SkStream.h"
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#include "SkTypes.h"
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class SkPDFTestDict : public SkPDFDict {
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public:
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void getResources(SkTDArray<SkPDFObject*>* resourceList) {
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resourceList->setReserve(resourceList->count() + fResources.count());
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for (int i = 0; i < fResources.count(); i++) {
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resourceList->push(fResources[i]);
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fResources[i]->ref();
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}
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}
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void addResource(SkPDFObject* object) {
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fResources.append(1, &object);
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}
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private:
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SkTDArray<SkPDFObject*> fResources;
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};
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static bool stream_equals(const SkDynamicMemoryWStream& stream, size_t offset,
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const void* buffer, size_t len) {
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SkAutoDataUnref data(stream.copyToData());
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if (offset + len > data->size()) {
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return false;
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}
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return memcmp(data->bytes() + offset, buffer, len) == 0;
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}
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static void CheckObjectOutput(skiatest::Reporter* reporter, SkPDFObject* obj,
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const char* expectedData, size_t expectedSize,
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bool indirect, bool compression) {
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SkPDFDocument::Flags docFlags = (SkPDFDocument::Flags) 0;
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if (!compression) {
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docFlags = SkTBitOr(docFlags, SkPDFDocument::kNoCompression_Flags);
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}
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SkPDFCatalog catalog(docFlags);
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size_t directSize = obj->getOutputSize(&catalog, false);
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REPORTER_ASSERT(reporter, directSize == expectedSize);
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SkDynamicMemoryWStream buffer;
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obj->emit(&buffer, &catalog, false);
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REPORTER_ASSERT(reporter, directSize == buffer.getOffset());
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REPORTER_ASSERT(reporter, stream_equals(buffer, 0, expectedData,
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directSize));
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if (indirect) {
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// Indirect output.
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static char header[] = "1 0 obj\n";
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static size_t headerLen = strlen(header);
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static char footer[] = "\nendobj\n";
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static size_t footerLen = strlen(footer);
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catalog.addObject(obj, false);
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size_t indirectSize = obj->getOutputSize(&catalog, true);
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REPORTER_ASSERT(reporter,
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indirectSize == directSize + headerLen + footerLen);
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buffer.reset();
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obj->emit(&buffer, &catalog, true);
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REPORTER_ASSERT(reporter, indirectSize == buffer.getOffset());
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REPORTER_ASSERT(reporter, stream_equals(buffer, 0, header, headerLen));
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REPORTER_ASSERT(reporter, stream_equals(buffer, headerLen, expectedData,
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directSize));
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REPORTER_ASSERT(reporter, stream_equals(buffer, headerLen + directSize,
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footer, footerLen));
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}
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}
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static void SimpleCheckObjectOutput(skiatest::Reporter* reporter,
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SkPDFObject* obj,
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const char* expectedResult) {
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CheckObjectOutput(reporter, obj, expectedResult,
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strlen(expectedResult), true, false);
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}
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static void TestPDFStream(skiatest::Reporter* reporter) {
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char streamBytes[] = "Test\nFoo\tBar";
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SkAutoTUnref<SkMemoryStream> streamData(new SkMemoryStream(
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streamBytes, strlen(streamBytes), true));
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SkAutoTUnref<SkPDFStream> stream(new SkPDFStream(streamData.get()));
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SimpleCheckObjectOutput(
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reporter, stream.get(),
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"<</Length 12\n>> stream\nTest\nFoo\tBar\nendstream");
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stream->insert("Attribute", new SkPDFInt(42))->unref();
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SimpleCheckObjectOutput(reporter, stream.get(),
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"<</Length 12\n/Attribute 42\n>> stream\n"
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"Test\nFoo\tBar\nendstream");
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if (SkFlate::HaveFlate()) {
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char streamBytes2[] = "This is a longer string, so that compression "
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"can do something with it. With shorter strings, "
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"the short circuit logic cuts in and we end up "
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"with an uncompressed string.";
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SkAutoDataUnref streamData2(SkData::NewWithCopy(streamBytes2,
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strlen(streamBytes2)));
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SkAutoTUnref<SkPDFStream> stream(new SkPDFStream(streamData2.get()));
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SkDynamicMemoryWStream compressedByteStream;
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SkFlate::Deflate(streamData2.get(), &compressedByteStream);
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SkAutoDataUnref compressedData(compressedByteStream.copyToData());
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// Check first without compression.
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SkDynamicMemoryWStream expectedResult1;
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expectedResult1.writeText("<</Length 167\n>> stream\n");
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expectedResult1.writeText(streamBytes2);
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expectedResult1.writeText("\nendstream");
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SkAutoDataUnref expectedResultData1(expectedResult1.copyToData());
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CheckObjectOutput(reporter, stream.get(),
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(const char*) expectedResultData1->data(),
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expectedResultData1->size(), true, false);
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// Then again with compression.
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SkDynamicMemoryWStream expectedResult2;
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expectedResult2.writeText("<</Filter /FlateDecode\n/Length 116\n"
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">> stream\n");
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expectedResult2.write(compressedData->data(), compressedData->size());
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expectedResult2.writeText("\nendstream");
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SkAutoDataUnref expectedResultData2(expectedResult2.copyToData());
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CheckObjectOutput(reporter, stream.get(),
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(const char*) expectedResultData2->data(),
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expectedResultData2->size(), true, true);
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}
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}
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static void TestCatalog(skiatest::Reporter* reporter) {
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SkPDFCatalog catalog((SkPDFDocument::Flags)0);
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SkAutoTUnref<SkPDFInt> int1(new SkPDFInt(1));
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SkAutoTUnref<SkPDFInt> int2(new SkPDFInt(2));
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SkAutoTUnref<SkPDFInt> int3(new SkPDFInt(3));
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int1.get()->ref();
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SkAutoTUnref<SkPDFInt> int1Again(int1.get());
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catalog.addObject(int1.get(), false);
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catalog.addObject(int2.get(), false);
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catalog.addObject(int3.get(), false);
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REPORTER_ASSERT(reporter, catalog.getObjectNumberSize(int1.get()) == 3);
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REPORTER_ASSERT(reporter, catalog.getObjectNumberSize(int2.get()) == 3);
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REPORTER_ASSERT(reporter, catalog.getObjectNumberSize(int3.get()) == 3);
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SkDynamicMemoryWStream buffer;
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catalog.emitObjectNumber(&buffer, int1.get());
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catalog.emitObjectNumber(&buffer, int2.get());
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catalog.emitObjectNumber(&buffer, int3.get());
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catalog.emitObjectNumber(&buffer, int1Again.get());
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char expectedResult[] = "1 02 03 01 0";
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REPORTER_ASSERT(reporter, stream_equals(buffer, 0, expectedResult,
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strlen(expectedResult)));
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}
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static void TestObjectRef(skiatest::Reporter* reporter) {
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SkAutoTUnref<SkPDFInt> int1(new SkPDFInt(1));
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SkAutoTUnref<SkPDFInt> int2(new SkPDFInt(2));
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SkAutoTUnref<SkPDFObjRef> int2ref(new SkPDFObjRef(int2.get()));
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SkPDFCatalog catalog((SkPDFDocument::Flags)0);
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catalog.addObject(int1.get(), false);
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catalog.addObject(int2.get(), false);
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REPORTER_ASSERT(reporter, catalog.getObjectNumberSize(int1.get()) == 3);
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REPORTER_ASSERT(reporter, catalog.getObjectNumberSize(int2.get()) == 3);
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char expectedResult[] = "2 0 R";
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SkDynamicMemoryWStream buffer;
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int2ref->emitObject(&buffer, &catalog, false);
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REPORTER_ASSERT(reporter, buffer.getOffset() == strlen(expectedResult));
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REPORTER_ASSERT(reporter, stream_equals(buffer, 0, expectedResult,
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buffer.getOffset()));
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}
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static void TestSubstitute(skiatest::Reporter* reporter) {
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SkAutoTUnref<SkPDFTestDict> proxy(new SkPDFTestDict());
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SkAutoTUnref<SkPDFTestDict> stub(new SkPDFTestDict());
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SkAutoTUnref<SkPDFInt> int33(new SkPDFInt(33));
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SkAutoTUnref<SkPDFDict> stubResource(new SkPDFDict());
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SkAutoTUnref<SkPDFInt> int44(new SkPDFInt(44));
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stub->insert("Value", int33.get());
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stubResource->insert("InnerValue", int44.get());
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stub->addResource(stubResource.get());
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SkPDFCatalog catalog((SkPDFDocument::Flags)0);
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catalog.addObject(proxy.get(), false);
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catalog.setSubstitute(proxy.get(), stub.get());
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SkDynamicMemoryWStream buffer;
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proxy->emit(&buffer, &catalog, false);
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catalog.emitSubstituteResources(&buffer, false);
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char objectResult[] = "2 0 obj\n<</Value 33\n>>\nendobj\n";
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REPORTER_ASSERT(
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reporter,
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catalog.setFileOffset(proxy.get(), 0) == strlen(objectResult));
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char expectedResult[] =
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"<</Value 33\n>>1 0 obj\n<</InnerValue 44\n>>\nendobj\n";
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REPORTER_ASSERT(reporter, buffer.getOffset() == strlen(expectedResult));
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REPORTER_ASSERT(reporter, stream_equals(buffer, 0, expectedResult,
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buffer.getOffset()));
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}
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// This test used to assert without the fix submitted for
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// http://code.google.com/p/skia/issues/detail?id=1083.
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// SKP files might have invalid glyph ids. This test ensures they are ignored,
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// and there is no assert on input data in Debug mode.
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static void test_issue1083() {
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SkISize pageSize = SkISize::Make(100, 100);
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SkPDFDevice* dev = new SkPDFDevice(pageSize, pageSize, SkMatrix::I());
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SkCanvas c(dev);
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SkPaint paint;
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paint.setTextEncoding(SkPaint::kGlyphID_TextEncoding);
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uint16_t glyphID = 65000;
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c.drawText(&glyphID, 2, 0, 0, paint);
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SkPDFDocument doc;
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doc.appendPage(dev);
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SkDynamicMemoryWStream stream;
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doc.emitPDF(&stream);
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}
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static void TestPDFPrimitives(skiatest::Reporter* reporter) {
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SkAutoTUnref<SkPDFInt> int42(new SkPDFInt(42));
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SimpleCheckObjectOutput(reporter, int42.get(), "42");
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SkAutoTUnref<SkPDFScalar> realHalf(new SkPDFScalar(SK_ScalarHalf));
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SimpleCheckObjectOutput(reporter, realHalf.get(), "0.5");
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#if defined(SK_SCALAR_IS_FLOAT)
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SkAutoTUnref<SkPDFScalar> bigScalar(new SkPDFScalar(110999.75f));
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#if !defined(SK_ALLOW_LARGE_PDF_SCALARS)
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SimpleCheckObjectOutput(reporter, bigScalar.get(), "111000");
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#else
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SimpleCheckObjectOutput(reporter, bigScalar.get(), "110999.75");
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SkAutoTUnref<SkPDFScalar> biggerScalar(new SkPDFScalar(50000000.1));
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SimpleCheckObjectOutput(reporter, biggerScalar.get(), "50000000");
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SkAutoTUnref<SkPDFScalar> smallestScalar(new SkPDFScalar(1.0/65536));
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SimpleCheckObjectOutput(reporter, smallestScalar.get(), "0.00001526");
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#endif
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#endif
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SkAutoTUnref<SkPDFString> stringSimple(
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new SkPDFString("test ) string ( foo"));
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SimpleCheckObjectOutput(reporter, stringSimple.get(),
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"(test \\) string \\( foo)");
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SkAutoTUnref<SkPDFString> stringComplex(
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new SkPDFString("\ttest ) string ( foo"));
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SimpleCheckObjectOutput(reporter, stringComplex.get(),
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"<0974657374202920737472696E67202820666F6F>");
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SkAutoTUnref<SkPDFName> name(new SkPDFName("Test name\twith#tab"));
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const char expectedResult[] = "/Test#20name#09with#23tab";
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CheckObjectOutput(reporter, name.get(), expectedResult,
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strlen(expectedResult), false, false);
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SkAutoTUnref<SkPDFName> escapedName(new SkPDFName("A#/%()<>[]{}B"));
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const char escapedNameExpected[] = "/A#23#2F#25#28#29#3C#3E#5B#5D#7B#7DB";
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CheckObjectOutput(reporter, escapedName.get(), escapedNameExpected,
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strlen(escapedNameExpected), false, false);
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// Test that we correctly handle characters with the high-bit set.
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const unsigned char highBitCString[] = {0xDE, 0xAD, 'b', 'e', 0xEF, 0};
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SkAutoTUnref<SkPDFName> highBitName(
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new SkPDFName((const char*)highBitCString));
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const char highBitExpectedResult[] = "/#DE#ADbe#EF";
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CheckObjectOutput(reporter, highBitName.get(), highBitExpectedResult,
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strlen(highBitExpectedResult), false, false);
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SkAutoTUnref<SkPDFArray> array(new SkPDFArray);
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SimpleCheckObjectOutput(reporter, array.get(), "[]");
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array->append(int42.get());
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SimpleCheckObjectOutput(reporter, array.get(), "[42]");
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array->append(realHalf.get());
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SimpleCheckObjectOutput(reporter, array.get(), "[42 0.5]");
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SkAutoTUnref<SkPDFInt> int0(new SkPDFInt(0));
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array->append(int0.get());
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SimpleCheckObjectOutput(reporter, array.get(), "[42 0.5 0]");
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SkAutoTUnref<SkPDFInt> int1(new SkPDFInt(1));
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array->setAt(0, int1.get());
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SimpleCheckObjectOutput(reporter, array.get(), "[1 0.5 0]");
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SkAutoTUnref<SkPDFDict> dict(new SkPDFDict);
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SimpleCheckObjectOutput(reporter, dict.get(), "<<>>");
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SkAutoTUnref<SkPDFName> n1(new SkPDFName("n1"));
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dict->insert(n1.get(), int42.get());
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SimpleCheckObjectOutput(reporter, dict.get(), "<</n1 42\n>>");
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SkAutoTUnref<SkPDFName> n2(new SkPDFName("n2"));
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SkAutoTUnref<SkPDFName> n3(new SkPDFName("n3"));
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dict->insert(n2.get(), realHalf.get());
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dict->insert(n3.get(), array.get());
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SimpleCheckObjectOutput(reporter, dict.get(),
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"<</n1 42\n/n2 0.5\n/n3 [1 0.5 0]\n>>");
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TestPDFStream(reporter);
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TestCatalog(reporter);
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TestObjectRef(reporter);
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TestSubstitute(reporter);
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test_issue1083();
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}
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#include "TestClassDef.h"
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DEFINE_TESTCLASS("PDFPrimitives", PDFPrimitivesTestClass, TestPDFPrimitives)
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