SkRefPtr<SkPDFArray> SkPDFDevice::getMediaBox() const { SkRefPtr<SkPDFInt> zero = new SkPDFInt(0); zero->unref(); // SkRefPtr and new both took a reference. SkRefPtr<SkPDFArray> mediaBox = new SkPDFArray(); mediaBox->unref(); // SkRefPtr and new both took a reference. mediaBox->reserve(4); mediaBox->append(zero.get()); mediaBox->append(zero.get()); mediaBox->append(new SkPDFInt(fWidth))->unref(); mediaBox->append(new SkPDFInt(fHeight))->unref(); return mediaBox; }
// static void SkPDFPage::GeneratePageTree(const SkTDArray<SkPDFPage*>& pages, SkPDFCatalog* catalog, SkTDArray<SkPDFDict*>* pageTree, SkPDFDict** rootNode) { // PDF wants a tree describing all the pages in the document. We arbitrary // choose 8 (kNodeSize) as the number of allowed children. The internal // nodes have type "Pages" with an array of children, a parent pointer, and // the number of leaves below the node as "Count." The leaves are passed // into the method, have type "Page" and need a parent pointer. This method // builds the tree bottom up, skipping internal nodes that would have only // one child. static const int kNodeSize = 8; SkRefPtr<SkPDFName> kidsName = new SkPDFName("Kids"); kidsName->unref(); // SkRefPtr and new both took a reference. SkRefPtr<SkPDFName> countName = new SkPDFName("Count"); countName->unref(); // SkRefPtr and new both took a reference. SkRefPtr<SkPDFName> parentName = new SkPDFName("Parent"); parentName->unref(); // SkRefPtr and new both took a reference. // curNodes takes a reference to its items, which it passes to pageTree. SkTDArray<SkPDFDict*> curNodes; curNodes.setReserve(pages.count()); for (int i = 0; i < pages.count(); i++) { SkSafeRef(pages[i]); curNodes.push(pages[i]); } // nextRoundNodes passes its references to nodes on to curNodes. SkTDArray<SkPDFDict*> nextRoundNodes; nextRoundNodes.setReserve((pages.count() + kNodeSize - 1)/kNodeSize); int treeCapacity = kNodeSize; do { for (int i = 0; i < curNodes.count(); ) { if (i > 0 && i + 1 == curNodes.count()) { nextRoundNodes.push(curNodes[i]); break; } SkPDFDict* newNode = new SkPDFDict("Pages"); SkRefPtr<SkPDFObjRef> newNodeRef = new SkPDFObjRef(newNode); newNodeRef->unref(); // SkRefPtr and new both took a reference. SkRefPtr<SkPDFArray> kids = new SkPDFArray; kids->unref(); // SkRefPtr and new both took a reference. kids->reserve(kNodeSize); int count = 0; for (; i < curNodes.count() && count < kNodeSize; i++, count++) { curNodes[i]->insert(parentName.get(), newNodeRef.get()); kids->append(new SkPDFObjRef(curNodes[i]))->unref(); // TODO(vandebo): put the objects in strict access order. // Probably doesn't matter because they are so small. if (curNodes[i] != pages[0]) { pageTree->push(curNodes[i]); // Transfer reference. catalog->addObject(curNodes[i], false); } else { SkSafeUnref(curNodes[i]); catalog->addObject(curNodes[i], true); } } newNode->insert(kidsName.get(), kids.get()); int pageCount = treeCapacity; if (count < kNodeSize) { pageCount = pages.count() % treeCapacity; } newNode->insert(countName.get(), new SkPDFInt(pageCount))->unref(); nextRoundNodes.push(newNode); // Transfer reference. } curNodes = nextRoundNodes; nextRoundNodes.rewind(); treeCapacity *= kNodeSize; } while (curNodes.count() > 1); pageTree->push(curNodes[0]); // Transfer reference. catalog->addObject(curNodes[0], false); if (rootNode) { *rootNode = curNodes[0]; } }
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(110999.75f); 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<SkPDFName> escapedName = new SkPDFName("A#/%()<>[]{}B"); escapedName->unref(); // SkRefPtr and new both took a reference. const char escapedNameExpected[] = "/A#23#2F#25#28#29#3C#3E#5B#5D#7B#7DB"; CheckObjectOutput(reporter, escapedName.get(), escapedNameExpected, strlen(escapedNameExpected), false, false); // Test that we correctly handle characters with the high-bit set. const unsigned char highBitCString[] = {0xDE, 0xAD, 'b', 'e', 0xEF, 0}; SkRefPtr<SkPDFName> highBitName = new SkPDFName((const char*)highBitCString); highBitName->unref(); // SkRefPtr and new both took a reference. const char highBitExpectedResult[] = "/#DE#ADbe#EF"; CheckObjectOutput(reporter, highBitName.get(), highBitExpectedResult, strlen(highBitExpectedResult), 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); }
const SkRefPtr<SkPDFDict>& SkPDFDevice::getResourceDict() { if (fResourceDict.get() == NULL) { fResourceDict = new SkPDFDict; fResourceDict->unref(); // SkRefPtr and new both took a reference. if (fGraphicStateResources.count()) { SkRefPtr<SkPDFDict> extGState = new SkPDFDict(); extGState->unref(); // SkRefPtr and new both took a reference. for (int i = 0; i < fGraphicStateResources.count(); i++) { SkString nameString("G"); nameString.appendS32(i); extGState->insert( nameString.c_str(), new SkPDFObjRef(fGraphicStateResources[i]))->unref(); } fResourceDict->insert("ExtGState", extGState.get()); } if (fXObjectResources.count()) { SkRefPtr<SkPDFDict> xObjects = new SkPDFDict(); xObjects->unref(); // SkRefPtr and new both took a reference. for (int i = 0; i < fXObjectResources.count(); i++) { SkString nameString("X"); nameString.appendS32(i); xObjects->insert( nameString.c_str(), new SkPDFObjRef(fXObjectResources[i]))->unref(); } fResourceDict->insert("XObject", xObjects.get()); } if (fFontResources.count()) { SkRefPtr<SkPDFDict> fonts = new SkPDFDict(); fonts->unref(); // SkRefPtr and new both took a reference. for (int i = 0; i < fFontResources.count(); i++) { SkString nameString("F"); nameString.appendS32(i); fonts->insert(nameString.c_str(), new SkPDFObjRef(fFontResources[i]))->unref(); } fResourceDict->insert("Font", fonts.get()); } if (fShaderResources.count()) { SkRefPtr<SkPDFDict> patterns = new SkPDFDict(); patterns->unref(); // SkRefPtr and new both took a reference. for (int i = 0; i < fShaderResources.count(); i++) { SkString nameString("P"); nameString.appendS32(i); patterns->insert(nameString.c_str(), new SkPDFObjRef(fShaderResources[i]))->unref(); } fResourceDict->insert("Pattern", patterns.get()); } // For compatibility, add all proc sets (only used for output to PS // devices). const char procs[][7] = {"PDF", "Text", "ImageB", "ImageC", "ImageI"}; SkRefPtr<SkPDFArray> procSets = new SkPDFArray(); procSets->unref(); // SkRefPtr and new both took a reference. procSets->reserve(SK_ARRAY_COUNT(procs)); for (size_t i = 0; i < SK_ARRAY_COUNT(procs); i++) procSets->append(new SkPDFName(procs[i]))->unref(); fResourceDict->insert("ProcSet", procSets.get()); } return fResourceDict; }
SkPDFImage::SkPDFImage(const SkBitmap& bitmap, const SkPaint& paint) { SkBitmap::Config config = bitmap.getConfig(); // TODO(vandebo) Handle alpha and alpha only images correctly. SkASSERT(config == SkBitmap::kRGB_565_Config || config == SkBitmap::kARGB_4444_Config || config == SkBitmap::kARGB_8888_Config || config == SkBitmap::kIndex8_Config || config == SkBitmap::kRLE_Index8_Config); SkMemoryStream* image_data = extractImageData(bitmap); SkAutoUnref image_data_unref(image_data); fStream = new SkPDFStream(image_data); fStream->unref(); // SkRefPtr and new both took a reference. SkRefPtr<SkPDFName> typeValue = new SkPDFName("XObject"); typeValue->unref(); // SkRefPtr and new both took a reference. insert("Type", typeValue.get()); SkRefPtr<SkPDFName> subTypeValue = new SkPDFName("Image"); subTypeValue->unref(); // SkRefPtr and new both took a reference. insert("Subtype", subTypeValue.get()); SkRefPtr<SkPDFInt> widthValue = new SkPDFInt(bitmap.width()); widthValue->unref(); // SkRefPtr and new both took a reference. insert("Width", widthValue.get()); SkRefPtr<SkPDFInt> heightValue = new SkPDFInt(bitmap.height()); heightValue->unref(); // SkRefPtr and new both took a reference. insert("Height", heightValue.get()); // if (!image mask) { SkRefPtr<SkPDFObject> colorSpaceValue; if (config == SkBitmap::kIndex8_Config || config == SkBitmap::kRLE_Index8_Config) { colorSpaceValue = makeIndexedColorSpace(bitmap.getColorTable()); } else { colorSpaceValue = new SkPDFName("DeviceRGB"); } colorSpaceValue->unref(); // SkRefPtr and new both took a reference. insert("ColorSpace", colorSpaceValue.get()); // } int bitsPerComp = bitmap.bytesPerPixel() * 2; if (bitsPerComp == 0) { SkASSERT(config == SkBitmap::kA1_Config); bitsPerComp = 1; } else if (bitsPerComp == 2 || (bitsPerComp == 4 && config == SkBitmap::kRGB_565_Config)) { bitsPerComp = 8; } SkRefPtr<SkPDFInt> bitsPerCompValue = new SkPDFInt(bitsPerComp); bitsPerCompValue->unref(); // SkRefPtr and new both took a reference. insert("BitsPerComponent", bitsPerCompValue.get()); if (config == SkBitmap::kRGB_565_Config) { SkRefPtr<SkPDFInt> zeroVal = new SkPDFInt(0); zeroVal->unref(); // SkRefPtr and new both took a reference. SkRefPtr<SkPDFScalar> scale5Val = new SkPDFScalar(8.2258); // 255/2^5-1 scale5Val->unref(); // SkRefPtr and new both took a reference. SkRefPtr<SkPDFScalar> scale6Val = new SkPDFScalar(4.0476); // 255/2^6-1 scale6Val->unref(); // SkRefPtr and new both took a reference. SkRefPtr<SkPDFArray> decodeValue = new SkPDFArray(); decodeValue->unref(); // SkRefPtr and new both took a reference. decodeValue->reserve(6); decodeValue->append(zeroVal.get()); decodeValue->append(scale5Val.get()); decodeValue->append(zeroVal.get()); decodeValue->append(scale6Val.get()); decodeValue->append(zeroVal.get()); decodeValue->append(scale5Val.get()); insert("Decode", decodeValue.get()); } }