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/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <string>
#include "Test.h"
#include "SkPDFCatalog.h"
#include "SkPDFStream.h"
#include "SkPDFTypes.h"
#include "SkScalar.h"
#include "SkStream.h"
static void CheckObjectOutput(skiatest::Reporter* reporter, SkPDFObject* obj,
const std::string& representation,
bool indirect) {
size_t directSize = obj->getOutputSize(NULL, false);
REPORTER_ASSERT(reporter, directSize == representation.size());
SkDynamicMemoryWStream buffer;
obj->emitObject(&buffer, NULL, false);
REPORTER_ASSERT(reporter, directSize == buffer.getOffset());
REPORTER_ASSERT(reporter, memcmp(buffer.getStream(), representation.c_str(),
directSize) == 0);
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);
SkPDFCatalog catalog;
catalog.addObject(obj, false);
size_t indirectSize = obj->getOutputSize(&catalog, true);
REPORTER_ASSERT(reporter,
indirectSize == directSize + headerLen + footerLen);
buffer.reset();
obj->emitObject(&buffer, &catalog, true);
REPORTER_ASSERT(reporter, indirectSize == buffer.getOffset());
REPORTER_ASSERT(reporter, memcmp(buffer.getStream(), header,
headerLen) == 0);
REPORTER_ASSERT(reporter,
memcmp(buffer.getStream() + headerLen,
representation.c_str(), directSize) == 0);
REPORTER_ASSERT(reporter,
memcmp(buffer.getStream() + headerLen + directSize,
footer, footerLen) == 0);
}
}
static void TestCatalog(skiatest::Reporter* reporter) {
SkPDFCatalog catalog;
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, memcmp(buffer.getStream(), expectedResult,
strlen(expectedResult)) == 0);
}
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;
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, memcmp(buffer.getStream(), expectedResult,
buffer.getOffset()) == 0);
}
static void TestPDFPrimitives(skiatest::Reporter* reporter) {
SkRefPtr<SkPDFInt> int42 = new SkPDFInt(42);
int42->unref(); // SkRefPtr and new both took a reference.
CheckObjectOutput(reporter, int42.get(), "42", true);
SkRefPtr<SkPDFScalar> realHalf = new SkPDFScalar(SK_ScalarHalf);
realHalf->unref(); // SkRefPtr and new both took a reference.
CheckObjectOutput(reporter, realHalf.get(), "0.5", true);
SkRefPtr<SkPDFScalar> bigScalar = new SkPDFScalar(110999.75);
bigScalar->unref(); // SkRefPtr and new both took a reference.
#if defined(SK_SCALAR_IS_FIXED) || !defined(SK_ALLOW_LARGE_PDF_SCALARS)
CheckObjectOutput(reporter, bigScalar.get(), "111000", true);
#else
CheckObjectOutput(reporter, bigScalar.get(), "110999.75", true);
#endif
#if defined(SK_SCALAR_IS_FLOAT) && defined(SK_ALLOW_LARGE_PDF_SCALARS)
SkRefPtr<SkPDFScalar> biggerScalar = new SkPDFScalar(50000000.1);
biggerScalar->unref(); // SkRefPtr and new both took a reference.
CheckObjectOutput(reporter, biggerScalar.get(), "50000000", true);
SkRefPtr<SkPDFScalar> smallestScalar = new SkPDFScalar(1.0/65536);
smallestScalar->unref(); // SkRefPtr and new both took a reference.
CheckObjectOutput(reporter, smallestScalar.get(), "0.00001526", true);
#endif
SkRefPtr<SkPDFString> stringSimple = new SkPDFString("test ) string ( foo");
stringSimple->unref(); // SkRefPtr and new both took a reference.
CheckObjectOutput(reporter, stringSimple.get(), "(test \\) string \\( foo)",
true);
SkRefPtr<SkPDFString> stringComplex =
new SkPDFString("\ttest ) string ( foo");
stringComplex->unref(); // SkRefPtr and new both took a reference.
CheckObjectOutput(reporter, stringComplex.get(),
"<0974657374202920737472696E67202820666F6F>", true);
SkRefPtr<SkPDFName> name = new SkPDFName("Test name\twith#tab");
name->unref(); // SkRefPtr and new both took a reference.
CheckObjectOutput(reporter, name.get(), "/Test#20name#09with#23tab", false);
SkRefPtr<SkPDFArray> array = new SkPDFArray;
array->unref(); // SkRefPtr and new both took a reference.
CheckObjectOutput(reporter, array.get(), "[]", true);
array->append(int42.get());
CheckObjectOutput(reporter, array.get(), "[42]", true);
array->append(realHalf.get());
CheckObjectOutput(reporter, array.get(), "[42 0.5]", true);
SkRefPtr<SkPDFInt> int0 = new SkPDFInt(0);
int0->unref(); // SkRefPtr and new both took a reference.
array->append(int0.get());
CheckObjectOutput(reporter, array.get(), "[42 0.5 0]", true);
SkRefPtr<SkPDFInt> int1 = new SkPDFInt(1);
int1->unref(); // SkRefPtr and new both took a reference.
array->setAt(0, int1.get());
CheckObjectOutput(reporter, array.get(), "[1 0.5 0]", true);
SkRefPtr<SkPDFDict> dict = new SkPDFDict;
dict->unref(); // SkRefPtr and new both took a reference.
CheckObjectOutput(reporter, dict.get(), "<<>>", true);
SkRefPtr<SkPDFName> n1 = new SkPDFName("n1");
n1->unref(); // SkRefPtr and new both took a reference.
dict->insert(n1.get(), int42.get());
CheckObjectOutput(reporter, dict.get(), "<</n1 42\n>>", true);
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());
CheckObjectOutput(reporter, dict.get(),
"<</n1 42\n/n2 0.5\n/n3 [1 0.5 0]\n>>", true);
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.
CheckObjectOutput(reporter, stream.get(),
"<</Length 12\n>> stream\nTest\nFoo\tBar\nendstream",
true);
stream->insert(n1.get(), int42.get());
CheckObjectOutput(reporter, stream.get(),
"<</Length 12\n/n1 42\n>> stream\nTest\nFoo\tBar"
"\nendstream",
true);
TestCatalog(reporter);
TestObjectRef(reporter);
}
#include "TestClassDef.h"
DEFINE_TESTCLASS("PDFPrimitives", PDFPrimitivesTestClass, TestPDFPrimitives)
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