mirror of
https://github.com/JakubMelka/PDF4QT.git
synced 2025-06-05 21:59:17 +02:00
3D PDF: All file structure blocks for U3D
This commit is contained in:
Jakub Melka
@ -179,11 +179,45 @@ QByteArray PDF3D_U3D_DataReader::readByteArray(uint32_t size)
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return data;
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}
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QByteArray PDF3D_U3D_DataReader::readRemainingData()
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{
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Q_ASSERT(m_position % 8 == 0);
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uint32_t bytePosition = m_position / 8;
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QByteArray data = m_data.mid(bytePosition, -1);
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m_position = m_data.size() * 8;
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return data;
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}
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void PDF3D_U3D_DataReader::skipBytes(uint32_t size)
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{
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m_position += size * 8;
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}
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void PDF3D_U3D_DataReader::padTo32Bits()
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{
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uint32_t padBits = m_position % 32;
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if (padBits > 0)
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{
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m_position += 32 - padBits;
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}
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}
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QUuid PDF3D_U3D_DataReader::readUuid()
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{
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uint32_t A = readU32();
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uint16_t B = readU16();
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uint16_t C = readU16();
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std::array<uint8_t, 8> D = { };
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for (uint8_t& value : D)
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{
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value = readU8();
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}
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return QUuid(A, B, C, D[0], D[1], D[2], D[3], D[4], D[5], D[6], D[7]);
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}
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QString PDF3D_U3D_DataReader::readString(QTextCodec* textCodec)
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{
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int size = readU16();
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@ -503,13 +537,8 @@ PDF3D_U3D::PDF3D_U3D()
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m_textCodec = QTextCodec::codecForMib(106);
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}
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PDF3D_U3D PDF3D_U3D::parse(QByteArray data)
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PDF3D_U3D_AbstractBlockPtr PDF3D_U3D::parseBlockWithDeclaration(PDF3D_U3D_DataReader& reader)
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{
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PDF3D_U3D object;
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PDF3D_U3D_DataReader reader(data, true);
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while (!reader.isAtEnd())
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{
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uint32_t blockType = reader.readU32();
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uint32_t dataSize = reader.readU32();
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uint32_t metaDataSize = reader.readU32();
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@ -522,7 +551,20 @@ PDF3D_U3D PDF3D_U3D::parse(QByteArray data)
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QByteArray metaData = reader.readByteArray(metaDataSize);
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reader.skipBytes(getBlockPadding(metaDataSize));
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object.m_blocks.emplace_back(object.parseBlock(blockType, blockData, metaData));
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return parseBlock(blockType, blockData, metaData);
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}
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PDF3D_U3D PDF3D_U3D::parse(QByteArray data)
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{
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PDF3D_U3D object;
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PDF3D_U3D_DataReader reader(data, true);
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while (!reader.isAtEnd())
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{
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if (auto block = object.parseBlockWithDeclaration(reader))
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{
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object.m_blocks.emplace_back(std::move(block));
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}
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}
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return object;
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@ -540,7 +582,7 @@ PDF3D_U3D_AbstractBlockPtr PDF3D_U3D::parseBlock(uint32_t blockType,
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// it can be disambiguation with other block type
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if (m_blocks.empty())
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{
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PDF3D_U3D_AbstractBlockPtr fileBlockPtr = PDF3D_U3D_FileBlock::parse(data, metaData, isCompressed());
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PDF3D_U3D_AbstractBlockPtr fileBlockPtr = PDF3D_U3D_FileBlock::parse(data, metaData, this);
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if (const PDF3D_U3D_FileBlock* fileBlock = dynamic_cast<const PDF3D_U3D_FileBlock*>(fileBlockPtr.get()))
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{
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@ -555,12 +597,26 @@ PDF3D_U3D_AbstractBlockPtr PDF3D_U3D::parseBlock(uint32_t blockType,
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}
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case PDF3D_U3D_FileReferenceBlock::ID:
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return PDF3D_U3D_FileReferenceBlock::parse(data, metaData, isCompressed(), getTextCodec());
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return PDF3D_U3D_FileReferenceBlock::parse(data, metaData, this);
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case PDF3D_U3D_ModifierChainBlock::ID:
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return PDF3D_U3D_ModifierChainBlock::parse(data, metaData, this);
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case PDF3D_U3D_PriorityUpdateBlock::ID:
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return PDF3D_U3D_PriorityUpdateBlock::parse(data, metaData, this);
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case PDF3D_U3D_NewObjectTypeBlock::ID:
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return PDF3D_U3D_NewObjectTypeBlock::parse(data, metaData, this);
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default:
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break;
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}
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if (blockType >= PDF3D_U3D_NewObjectBlock::ID_MIN && blockType <= PDF3D_U3D_NewObjectBlock::ID_MAX)
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{
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return PDF3D_U3D_NewObjectBlock::parse(data, metaData, this);
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}
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return PDF3D_U3D_AbstractBlockPtr();
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}
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@ -576,12 +632,12 @@ uint32_t PDF3D_U3D::getBlockPadding(uint32_t blockSize)
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return 0;
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}
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PDF3D_U3D_AbstractBlockPtr PDF3D_U3D_FileBlock::parse(QByteArray data, QByteArray metaData, bool isCompressed)
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PDF3D_U3D_AbstractBlockPtr PDF3D_U3D_FileBlock::parse(QByteArray data, QByteArray metaData, PDF3D_U3D* object)
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{
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PDF3D_U3D_FileBlock* block = new PDF3D_U3D_FileBlock();
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PDF3D_U3D_AbstractBlockPtr pointer(block);
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PDF3D_U3D_DataReader reader(data, isCompressed);
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PDF3D_U3D_DataReader reader(data, object->isCompressed());
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// Read the data
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block->m_majorVersion = reader.readI16();
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@ -647,15 +703,15 @@ void PDF3D_U3D_AbstractBlock::parseMetadata(QByteArray metaData)
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Q_ASSERT(false);
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}
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PDF3D_U3D_AbstractBlockPtr PDF3D_U3D_FileReferenceBlock::parse(QByteArray data, QByteArray metaData, bool isCompressed, QTextCodec* textCodec)
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PDF3D_U3D_AbstractBlockPtr PDF3D_U3D_FileReferenceBlock::parse(QByteArray data, QByteArray metaData, PDF3D_U3D* object)
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{
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PDF3D_U3D_FileReferenceBlock* block = new PDF3D_U3D_FileReferenceBlock();
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PDF3D_U3D_AbstractBlockPtr pointer(block);
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PDF3D_U3D_DataReader reader(data, isCompressed);
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PDF3D_U3D_DataReader reader(data, object->isCompressed());
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// Read the data
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block->m_scopeName = reader.readString(textCodec);
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block->m_scopeName = reader.readString(object->getTextCodec());
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block->m_fileReferenceAttributes = reader.readU32();
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if (block->isBoundingSpherePresent())
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{
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@ -666,7 +722,7 @@ PDF3D_U3D_AbstractBlockPtr PDF3D_U3D_FileReferenceBlock::parse(QByteArray data,
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reader.readFloats32(block->m_boundingBox);
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}
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block->m_urlCount = reader.readU32();
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block->m_urls = reader.readStringList(block->m_urlCount, textCodec);
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block->m_urls = reader.readStringList(block->m_urlCount, object->getTextCodec());
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block->m_filterCount = reader.readU32();
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for (uint32_t i = 0; i < block->m_filterCount; ++i)
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@ -677,7 +733,7 @@ PDF3D_U3D_AbstractBlockPtr PDF3D_U3D_FileReferenceBlock::parse(QByteArray data,
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switch (filter.filterType)
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{
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case 0x00:
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filter.objectNameFilter = reader.readString(textCodec);
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filter.objectNameFilter = reader.readString(object->getTextCodec());
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break;
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case 0x01:
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@ -692,7 +748,7 @@ PDF3D_U3D_AbstractBlockPtr PDF3D_U3D_FileReferenceBlock::parse(QByteArray data,
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}
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block->m_nameCollisionPolicy = reader.readU8();
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block->m_worldAliasName = reader.readString(textCodec);
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block->m_worldAliasName = reader.readString(object->getTextCodec());
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block->parseMetadata(metaData);
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@ -749,6 +805,203 @@ const QString& PDF3D_U3D_FileReferenceBlock::getWorldAliasName() const
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return m_worldAliasName;
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}
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PDF3D_U3D_AbstractBlockPtr PDF3D_U3D_ModifierChainBlock::parse(QByteArray data, QByteArray metaData, PDF3D_U3D* object)
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{
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PDF3D_U3D_ModifierChainBlock* block = new PDF3D_U3D_ModifierChainBlock();
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PDF3D_U3D_AbstractBlockPtr pointer(block);
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PDF3D_U3D_DataReader reader(data, object->isCompressed());
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// Read the data
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block->m_modifierChainName = reader.readString(object->getTextCodec());
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block->m_modifierChainType = reader.readU32();
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block->m_modifierChainAttributes = reader.readU32();
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if (block->isBoundingSpherePresent())
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{
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reader.readFloats32(block->m_boundingSphere);
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}
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if (block->isAxisAlignedBoundingBoxPresent())
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{
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reader.readFloats32(block->m_boundingBox);
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}
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reader.padTo32Bits();
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const uint32_t modifierCount = reader.readU32();
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for (uint32_t i = 0; i < modifierCount; ++i)
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{
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if (auto parsedBlock = object->parseBlockWithDeclaration(reader))
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{
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block->m_modifierDeclarationBlocks.emplace_back(std::move(parsedBlock));
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}
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}
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block->parseMetadata(metaData);
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return pointer;
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}
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const QString& PDF3D_U3D_ModifierChainBlock::getModifierChainName() const
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{
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return m_modifierChainName;
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}
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uint32_t PDF3D_U3D_ModifierChainBlock::getModifierChainType() const
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{
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return m_modifierChainType;
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}
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uint32_t PDF3D_U3D_ModifierChainBlock::getModifierChainAttributes() const
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{
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return m_modifierChainAttributes;
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}
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const PDF3D_U3D_BoundingSphere& PDF3D_U3D_ModifierChainBlock::getBoundingSphere() const
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{
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return m_boundingSphere;
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}
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const PDF3D_U3D_AxisAlignedBoundingBox& PDF3D_U3D_ModifierChainBlock::getBoundingBox() const
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{
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return m_boundingBox;
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}
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uint32_t PDF3D_U3D_ModifierChainBlock::getModifierCount() const
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{
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return m_modifierCount;
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}
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const std::vector<PDF3D_U3D_AbstractBlockPtr>& PDF3D_U3D_ModifierChainBlock::getModifierDeclarationBlocks() const
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{
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return m_modifierDeclarationBlocks;
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}
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PDF3D_U3D_AbstractBlockPtr PDF3D_U3D_PriorityUpdateBlock::parse(QByteArray data, QByteArray metaData, PDF3D_U3D* object)
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{
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PDF3D_U3D_PriorityUpdateBlock* block = new PDF3D_U3D_PriorityUpdateBlock();
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PDF3D_U3D_AbstractBlockPtr pointer(block);
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PDF3D_U3D_DataReader reader(data, object->isCompressed());
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// Read the data
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block->m_newPriority = reader.readU32();
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block->parseMetadata(metaData);
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return pointer;
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}
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uint32_t PDF3D_U3D_PriorityUpdateBlock::getNewPriority() const
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{
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return m_newPriority;
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}
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PDF3D_U3D_AbstractBlockPtr PDF3D_U3D_NewObjectTypeBlock::parse(QByteArray data, QByteArray metaData, PDF3D_U3D* object)
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{
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PDF3D_U3D_NewObjectTypeBlock* block = new PDF3D_U3D_NewObjectTypeBlock();
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PDF3D_U3D_AbstractBlockPtr pointer(block);
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PDF3D_U3D_DataReader reader(data, object->isCompressed());
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// Read the data
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block->m_newObjectTypeName = reader.readString(object->getTextCodec());
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block->m_modifierType = reader.readU32();
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block->m_extensionId = reader.readUuid();
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block->m_newDeclarationBlockType = reader.readU32();
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block->m_continuationBlockTypeCount = reader.readU32();
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for (uint32_t i = 0; i < block->m_continuationBlockTypeCount; ++i)
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{
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block->m_continuationBlockTypes.push_back(reader.readU32());
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}
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block->m_extensionVendorName = reader.readString(object->getTextCodec());
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block->m_urlCount = reader.readU32();
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block->m_urls = reader.readStringList(block->m_urlCount, object->getTextCodec());
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block->m_extensionInformationString = reader.readString(object->getTextCodec());
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block->parseMetadata(metaData);
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return pointer;
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}
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const QString& PDF3D_U3D_NewObjectTypeBlock::getNewObjectTypeName() const
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{
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return m_newObjectTypeName;
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}
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uint32_t PDF3D_U3D_NewObjectTypeBlock::getModifierType() const
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{
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return m_modifierType;
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}
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const QUuid& PDF3D_U3D_NewObjectTypeBlock::getExtensionId() const
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{
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return m_extensionId;
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}
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uint32_t PDF3D_U3D_NewObjectTypeBlock::getNewDeclarationBlockType() const
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{
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return m_newDeclarationBlockType;
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}
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uint32_t PDF3D_U3D_NewObjectTypeBlock::getContinuationBlockTypeCount() const
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{
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return m_continuationBlockTypeCount;
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}
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const std::vector<uint32_t>& PDF3D_U3D_NewObjectTypeBlock::getContinuationBlockTypes() const
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{
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return m_continuationBlockTypes;
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}
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const QString& PDF3D_U3D_NewObjectTypeBlock::getExtensionVendorName() const
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{
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return m_extensionVendorName;
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}
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uint32_t PDF3D_U3D_NewObjectTypeBlock::getUrlCount() const
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{
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return m_urlCount;
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}
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const QStringList& PDF3D_U3D_NewObjectTypeBlock::getUrls() const
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{
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return m_urls;
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}
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const QString& PDF3D_U3D_NewObjectTypeBlock::getExtensionInformationString() const
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{
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return m_extensionInformationString;
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}
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PDF3D_U3D_AbstractBlockPtr PDF3D_U3D_NewObjectBlock::parse(QByteArray data, QByteArray metaData, PDF3D_U3D* object)
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{
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PDF3D_U3D_NewObjectBlock* block = new PDF3D_U3D_NewObjectBlock();
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PDF3D_U3D_AbstractBlockPtr pointer(block);
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PDF3D_U3D_DataReader reader(data, object->isCompressed());
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// Read the data
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block->m_objectName = reader.readString(object->getTextCodec());
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block->m_chainIndex = reader.readU32();
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block->m_data = reader.readRemainingData();
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block->parseMetadata(metaData);
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return pointer;
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}
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const QString& PDF3D_U3D_NewObjectBlock::getObjectName() const
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{
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return m_objectName;
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}
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uint32_t PDF3D_U3D_NewObjectBlock::getChainIndex() const
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{
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return m_chainIndex;
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}
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const QByteArray& PDF3D_U3D_NewObjectBlock::getData() const
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{
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return m_data;
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}
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} // namespace u3d
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} // namespace pdf
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@ -20,6 +20,7 @@
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#include "pdfglobal.h"
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#include <QUuid>
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#include <QByteArray>
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#include <QSharedPointer>
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@ -31,6 +32,12 @@ namespace pdf
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namespace u3d
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{
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class PDF3D_U3D;
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class PDF3D_U3D_DataReader;
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class PDF3D_U3D_AbstractBlock;
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using PDF3D_U3D_AbstractBlockPtr = QSharedPointer<PDF3D_U3D_AbstractBlock>;
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class PDF3D_U3D_AbstractBlock
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{
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public:
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@ -40,20 +47,22 @@ public:
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void parseMetadata(QByteArray metaData);
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};
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using PDF3D_U3D_AbstractBlockPtr = QSharedPointer<PDF3D_U3D_AbstractBlock>;
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// Bounding sphere - x, y, z position and radius
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using PDF3D_U3D_BoundingSphere = std::array<float, 4>;
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// Bounding box - min (x,y,z), max (x,y,z) - six values
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using PDF3D_U3D_AxisAlignedBoundingBox = std::array<float, 4>;
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// -------------------------------------------------------------------------------
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// FILE STRUCTURE BLOCKS
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// -------------------------------------------------------------------------------
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||||
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||||
class PDF3D_U3D_FileBlock : public PDF3D_U3D_AbstractBlock
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{
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public:
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static constexpr uint32_t ID = 0x00443355;
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||||
|
||||
static PDF3D_U3D_AbstractBlockPtr parse(QByteArray data, QByteArray metaData, bool isCompressed);
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||||
static PDF3D_U3D_AbstractBlockPtr parse(QByteArray data, QByteArray metaData, PDF3D_U3D* object);
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||||
|
||||
bool isExtensibleProfile() const { return m_profileIdentifier & 0x00000002; }
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||||
bool isNoCompressionMode() const { return m_profileIdentifier & 0x00000004; }
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@ -85,7 +94,7 @@ public:
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||||
bool isBoundingSpherePresent() const { return m_fileReferenceAttributes & 0x00000001; }
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||||
bool isAxisAlignedBoundingBoxPresent() const { return m_fileReferenceAttributes & 0x00000002; }
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||||
|
||||
static PDF3D_U3D_AbstractBlockPtr parse(QByteArray data, QByteArray metaData, bool isCompressed, QTextCodec* textCodec);
|
||||
static PDF3D_U3D_AbstractBlockPtr parse(QByteArray data, QByteArray metaData, PDF3D_U3D* object);
|
||||
|
||||
struct Filter
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||||
{
|
||||
@ -118,6 +127,120 @@ private:
|
||||
QString m_worldAliasName;
|
||||
};
|
||||
|
||||
class PDF3D_U3D_ModifierChainBlock : public PDF3D_U3D_AbstractBlock
|
||||
{
|
||||
public:
|
||||
static constexpr uint32_t ID = 0xFFFFFF14;
|
||||
|
||||
static PDF3D_U3D_AbstractBlockPtr parse(QByteArray data, QByteArray metaData, PDF3D_U3D* object);
|
||||
|
||||
bool isBoundingSpherePresent() const { return m_modifierChainAttributes & 0x00000001; }
|
||||
bool isAxisAlignedBoundingBoxPresent() const { return m_modifierChainAttributes & 0x00000002; }
|
||||
|
||||
bool isNodeModifierChain() const { return m_modifierChainType == 0; }
|
||||
bool isModelResourceModifierChain() const { return m_modifierChainType == 1; }
|
||||
bool isTextureModifierChain() const { return m_modifierChainType == 2; }
|
||||
|
||||
const QString& getModifierChainName() const;
|
||||
uint32_t getModifierChainType() const;
|
||||
uint32_t getModifierChainAttributes() const;
|
||||
const PDF3D_U3D_BoundingSphere& getBoundingSphere() const;
|
||||
const PDF3D_U3D_AxisAlignedBoundingBox& getBoundingBox() const;
|
||||
uint32_t getModifierCount() const;
|
||||
const std::vector<PDF3D_U3D_AbstractBlockPtr>& getModifierDeclarationBlocks() const;
|
||||
|
||||
private:
|
||||
QString m_modifierChainName;
|
||||
uint32_t m_modifierChainType = 0;
|
||||
uint32_t m_modifierChainAttributes = 0;
|
||||
PDF3D_U3D_BoundingSphere m_boundingSphere = PDF3D_U3D_BoundingSphere();
|
||||
PDF3D_U3D_AxisAlignedBoundingBox m_boundingBox = PDF3D_U3D_AxisAlignedBoundingBox();
|
||||
// Padding 0-3 bytes
|
||||
uint32_t m_modifierCount = 0;
|
||||
std::vector<PDF3D_U3D_AbstractBlockPtr> m_modifierDeclarationBlocks;
|
||||
};
|
||||
|
||||
class PDF3D_U3D_PriorityUpdateBlock : public PDF3D_U3D_AbstractBlock
|
||||
{
|
||||
public:
|
||||
static constexpr uint32_t ID = 0xFFFFFF15;
|
||||
|
||||
static PDF3D_U3D_AbstractBlockPtr parse(QByteArray data, QByteArray metaData, PDF3D_U3D* object);
|
||||
|
||||
uint32_t getNewPriority() const;
|
||||
|
||||
private:
|
||||
uint32_t m_newPriority = 0;
|
||||
};
|
||||
|
||||
class PDF3D_U3D_NewObjectTypeBlock : public PDF3D_U3D_AbstractBlock
|
||||
{
|
||||
public:
|
||||
static constexpr uint32_t ID = 0xFFFFFF16;
|
||||
|
||||
static PDF3D_U3D_AbstractBlockPtr parse(QByteArray data, QByteArray metaData, PDF3D_U3D* object);
|
||||
|
||||
const QString& getNewObjectTypeName() const;
|
||||
uint32_t getModifierType() const;
|
||||
const QUuid& getExtensionId() const;
|
||||
uint32_t getNewDeclarationBlockType() const;
|
||||
uint32_t getContinuationBlockTypeCount() const;
|
||||
const std::vector<uint32_t>& getContinuationBlockTypes() const;
|
||||
const QString& getExtensionVendorName() const;
|
||||
uint32_t getUrlCount() const;
|
||||
const QStringList& getUrls() const;
|
||||
const QString& getExtensionInformationString() const;
|
||||
|
||||
private:
|
||||
QString m_newObjectTypeName;
|
||||
uint32_t m_modifierType = 0;
|
||||
QUuid m_extensionId;
|
||||
uint32_t m_newDeclarationBlockType = 0;
|
||||
uint32_t m_continuationBlockTypeCount = 0;
|
||||
std::vector<uint32_t> m_continuationBlockTypes;
|
||||
QString m_extensionVendorName;
|
||||
uint32_t m_urlCount = 0;
|
||||
QStringList m_urls;
|
||||
QString m_extensionInformationString;
|
||||
};
|
||||
|
||||
class PDF3D_U3D_NewObjectBlock : public PDF3D_U3D_AbstractBlock
|
||||
{
|
||||
public:
|
||||
static constexpr uint32_t ID_MIN = 0x00000100;
|
||||
static constexpr uint32_t ID_MAX = 0x00FFFFFF;
|
||||
|
||||
static PDF3D_U3D_AbstractBlockPtr parse(QByteArray data, QByteArray metaData, PDF3D_U3D* object);
|
||||
|
||||
const QString& getObjectName() const;
|
||||
uint32_t getChainIndex() const;
|
||||
const QByteArray& getData() const;
|
||||
|
||||
private:
|
||||
QString m_objectName;
|
||||
uint32_t m_chainIndex = 0;
|
||||
QByteArray m_data;
|
||||
};
|
||||
|
||||
// -------------------------------------------------------------------------------
|
||||
// NODE BLOCKS
|
||||
// -------------------------------------------------------------------------------
|
||||
|
||||
class PDF3D_U3D_NewObjectBlock : public PDF3D_U3D_AbstractBlock
|
||||
{
|
||||
public:
|
||||
static constexpr uint32_t ID = 0xFFFFFF21;
|
||||
|
||||
static PDF3D_U3D_AbstractBlockPtr parse(QByteArray data, QByteArray metaData, PDF3D_U3D* object);
|
||||
|
||||
private:
|
||||
|
||||
};
|
||||
|
||||
// -------------------------------------------------------------------------------
|
||||
// PDF3D_U3D
|
||||
// -------------------------------------------------------------------------------
|
||||
|
||||
class PDF4QTLIBSHARED_EXPORT PDF3D_U3D
|
||||
{
|
||||
public:
|
||||
@ -128,6 +251,8 @@ public:
|
||||
|
||||
static PDF3D_U3D parse(QByteArray data);
|
||||
|
||||
PDF3D_U3D_AbstractBlockPtr parseBlockWithDeclaration(PDF3D_U3D_DataReader& reader);
|
||||
|
||||
private:
|
||||
PDF3D_U3D_AbstractBlockPtr parseBlock(uint32_t blockType, const QByteArray& data, const QByteArray& metaData);
|
||||
static uint32_t getBlockPadding(uint32_t blockSize);
|
||||
@ -138,6 +263,10 @@ private:
|
||||
bool m_isCompressed = true;
|
||||
};
|
||||
|
||||
// -------------------------------------------------------------------------------
|
||||
// READER OBJECTS
|
||||
// -------------------------------------------------------------------------------
|
||||
|
||||
class PDF3D_U3D_ContextManager
|
||||
{
|
||||
public:
|
||||
@ -210,8 +339,11 @@ public:
|
||||
uint32_t readCompressedU32(uint32_t context);
|
||||
|
||||
QByteArray readByteArray(uint32_t size);
|
||||
QByteArray readRemainingData();
|
||||
void skipBytes(uint32_t size);
|
||||
void padTo32Bits();
|
||||
|
||||
QUuid readUuid();
|
||||
QString readString(QTextCodec* textCodec);
|
||||
QStringList readStringList(uint32_t count, QTextCodec* textCodec);
|
||||
|
||||
|
||||
Reference in New Issue
Block a user